Title of Invention	IMPROVED SYSTEM TO MAINTAIN COOLANT STEADY STATE
Abstract	The present invention relates to a system to control, regulate and maintain steady state of coolant at the engine inlet for engine testing. The present in particular maintains temperature and pressure of coolant for engine test. A synergistic combination and configuration of pressure and flow regulating means, a vertically disposed coolant conduit, a coolant container and multi way valves facilitate maintaining steady state of coolant, continuous re-circulation of the coolant while maintaining the steady state when there is no coolant demand from the engine / facility. Further combination of the multiway valves with the pressure and flow regulating means facilitates rapid heating of the coolant when desired and the facility of providing the coolant at extreme temperatures to the engine/ facility when required.

Title of Invention

IMPROVED SYSTEM TO MAINTAIN COOLANT STEADY STATE

Abstract

The present invention relates to a system to control, regulate and maintain steady state of coolant at the engine inlet for engine testing. The present in particular maintains temperature and pressure of coolant for engine test. A synergistic combination and configuration of pressure and flow regulating means, a vertically disposed coolant conduit, a coolant container and multi way valves facilitate maintaining steady state of coolant, continuous re-circulation of the coolant while maintaining the steady state when there is no coolant demand from the engine / facility. Further combination of the multiway valves with the pressure and flow regulating means facilitates rapid heating of the coolant when desired and the facility of providing the coolant at extreme temperatures to the engine/ facility when required.

Full Text	THE PATENTS ACT, 1970 (39 OF 1970) COMPLETE SPECIFICATION (See Section 10} TITLE OF INVENTION "Improved System to Maintain Coolant Steady State" (a) Gawande Avinash Anandrao (b) residing at 29, Sambhaji Society, Senapati bapat Road Pune 411 016 State of Maharashtra, India The following specification particularly describes the nature of the invention and the manner in which it is to be performed. Field of Invention The present invention relates to a system to control, regulate and maintain steady state of coolant at the engine inlet for engine testing. Background of Invention Modern engine test houses measure engine output precisely using advanced dynamometer systems. To achieve this accuracy maintaining and controlling coolant physical properties / parameters such as temperature, pressure and flow is of paramount importance in reliable and authenticated engine tests to achieve compliance with established standard. The performance of the engine is a strong function of the coolant input condition such as temperature and pressure. The variation in the temperature would affect various performance parameters such as exhaust gas emission level, specific fuel consumption etc. of the engine during the testing resulting in unreliable results. Various engine testing standards insists on maintaining constant fuel temperature for certification of engine, performance comparison of various engines, emission test and development evaluation. The configuration of the conventional systems does not facilitate separation of impurities from the coolant. Further, there is no means for prohibiting formation of high temperature steam pockets in the engine jacket. Thus the study of the related prior art reveals several technological gaps such as: Lack of provision for maintaining steady state of the coolant when engine / facility coolant demand is not there Lack of provision for rapid heating of the coolant without circulating the same in the system Lack of provision for providing thermal shock that is supplying coolant at the defined extreme conditions over the defined time cycle. No provision for separation of impurities from the coolant Lack of provision to protect engine cavities against corrosion 2 14 JUN 2007 Lack of provision to avoid generation of high temperature steam pockets in engine jacket No provision for preheating the coolant Necessity has constantly been felt to develop a system to control and maintain steady state that is temperature and pressure of coolant for engine test. SUMMARY OF THE INVENTION The main object of the invention is to provide a system to control and maintain steady state that is temperature and pressure of coolant for engine test. Yet another object of the invention is to provide continuous re-circulation of the coolant while maintaining its steady state though the coolant demand from the engine / facility is not there. Another object of the invention is to facilitate rapid heating of the coolant without circulating it in the system till the desired temperature is reached to reduce time. Yet another object of the invention is to facilitate thermal shock to the engine / facility wherein coolant at extreme defined temperatures is periodically supplied to the engine / facility according to defined time cycle. Yet another object of the invention is to obviate generation of high temperature steam pockets in engine jacket Yet another object of the invention is to separate coolant impurities. Thus in accordance with the invention the system comprises of: A system to maintain coolant steady state comprising: coolant pressure and flow regulating means comprising a pressure relief valve, optional non-return valve, coolant inlet and outlet provision; a vertically disposed coolant conduit mounted with coolant filter at the top; 14 JUN 2007 coolant container disposed adjacent to the said coolant filter at substantially same height of the said coolant filter wherein the coolant container comprises of a coolant level indicator, air vent provided at the top of the said coolant container, coolant filling provision; a conduit joining the said coolant container and coolant filter optionally fitted with a flow switch; heat transfer device comprising heat transfer element, fluid flow control means, fluid circulating means and terminal connections wherein the said heat transfer device is connected substantially vertically to the said coolant container such that coolant flows downwards from the said coolant container to the coolant-impurity separation provision disposed at the bottom of the said heat transfer device; coolant pump connected between the said coolant-impurity separation provision and the said coolant bypass system; control unit configured with the said coolant pressure and flow regulating means, the said fluid circulating means and the said coolant level indicator; wherein coolant is passed from the said coolant pressure and flow regulating means to the said coolant filter through the said vertically disposed coolant conduit; further coolant is passed from the said coolant filter to the said coolant container via said conduit joining the said coolant container and coolant filter; further the coolant is passed through the said heat transfer device in the downward direction to the said coolant-impurity separation provision wherein impurities are separated and the said coolant is further pumped by the said pump to the said coolant pressure and flow regulating means. 1 4 JUN 2007 DESCRIPTION OF THE INVENTION Features and advantages of this invention will become apparent in the following detailed description and the preferred embodiments with reference to the accompanying drawings. Figure 1 Schematic of the system (Sheet 1) The system as illustrated in Figure 1 comprises of pressure and flow regulating means 1 comprising pressure relief valve (not shown) and optional non-return valve (not shown), coolant return conduit from engine / facility 4 , coolant supply conduit to the engine / facility 3. The coolant in the conduit 3 passes to the engine / facility (not shown), the coolant from the engine passes through the coolant return conduit 4 to the unit 1. This unit comprises of multi-way valves that facilitate isolation of the system from the engine or by-pass of the coolant to the conduit 4 as well to re-circulate the coolant when there is no coolant demand from the engine / facility. When by-pass facility is not used the coolant from the conduit 4 is passed conduit 5 and further to 6. The coolant from the said pressure and flow regulating means 1 passes through the conduit 5 to the conduit 6 which is disposed verticaliy wherein the filter 7 is mounted at the top of the said conduit 6 that is optionally provided with flow switch with indicator 21. The expansion tank 8 is disposed adjacent to the said filter 7 via passage 9 as shown in the Figure. There is a provision to mount a flow switch with indicator in the said passage 9. Air vent means 10 and 11 is provided on the said expansion tank 8 and the filter respectively. The steam generated in the coolant or air trapped is vented out through he airvent means 10 and 11. Flow path of the coolant is indicated by dashed line 50. The said expansion tank 8 is provided with a level indicator 12 and a coolant filling provision 13 that is automatic or manually operated. The coolant from the expansion tank 8 flows downwards in the heat transfer device 14 which is mounted vertically. It comprises of heat transfer element 15 wherein another fluid at a temperature lower than coolant temperature flows in it, and its flow rate is controlled by the control valve 18. A pressure relief valve is in connection with 18 to release the fluid in case of high pressures in the system. Provision 16 mounted at the 14 JUN 2007 bottom of the said heat transfer device 14 separates impurities from the coolant. Further coolant is circulated in the system and engine / facility using the coolant circulating means 17. The control unit 19 is in connection with the system components as shown in the Figure. In one of the embodiments the pressure relief valve in the said pressure and flow regulating means 1 operates such that the coolant from 16 to 1 is diverted to the conduit 5 and is re-circulated continuously in the system itself to maintain steady state and not supplied to the engine / facility through 3 when there is no coolant demand from the engine /facility. In yet another embodiment rapid engine heating provision comprising one or plurality of multi-way valves are provided on the conduit 3 and / or 4 to achieve substantially rapid engine heating when desired. In one of the variants of this embodiment, a three-way valve is mounted on the conduit 4 and a valve on conduit 3 such that the first connection of the said valve is with the engine, the second with 1 and third with the conduit 3 wherein the said valves are configured with the said control unit 19. In another embodiment, three-way valves are provided on the conduits 3 and 4 each wherein at least one of the connections of the three way valve is provided to the chilling medium such as cold water and the other two connections are between the engine / facility and the said pressure and flow regulating means 1. In yet another embodiment, coolant draining system is provided wherein conduit 3 and 4 is provided with a multi-way valve wherein external pressurized fluid is passed through the conduit 3/ 4 in the engine / facility to drain out the coolant. 14 JUN 2007 claim A system to maintain coolant steady state comprising: coolant pressure and flow regulating means comprising a pressure relief valve, optional non-return valve, coolant return conduit from engine / facility , coolant supply conduit to the engine / facility, temperature sensor/s optionally mounted on the said conduits ; a vertically disposed coolant conduit mounted with coolant filter at the top optionally provided with a coolant level switch with indicator; coolant container disposed adjacent to the said coolant filter at substantially same height of the said coolant filter wherein the coolant container comprises of a coolant level switch with indicator, air vent provided at the top of the said coolant container, manual / automatic coolant filling provision; a conduit joining the said coolant container and coolant filter optionally fitted with a flow switch; heat transfer device comprising heat transfer element, fluid flow control means connected with a pressure relief valve, fluid inlet conduit, fluid outlet conduit, a fluid by-pass valve connected between the said inlet and outlet conduits wherein the said heat transfer device is connected substantially vertically to the said coolant container such that coolant flows downwards from the said coolant container to the coolant-impurity separation provision disposed at the bottom of the said heat transfer device; coolant pump connected between the said coolant-impurity separation provision and the said pressure and flow regulating means; control unit configured with the said fluid flow control means, coolant pressure and flow regulating means fluid circulating means and the said coolant level switch; 7 1 4 JUN 2007 wherein coolant is passed from the said coolant pressure and flow regulating means to the said coolant filter through the said vertically disposed coolant conduit; further coolant is passed from the said coolant filter to the said coolant container via said conduit joining the said coolant container and coolant filter; further the coolant is passed through the said heat transfer device in the downward direction to the said coolant-impurity separation provision wherein impurities are separated and the said coolant is further pumped by the said pump to the said coolant pressure and flow regulating means. 2. A system to maintain coolant steady state as claimed in claim 1 wherein rapid engine heating provision comprising one or plurality of multi-way valves configured with the said control unit are provided on the said return and supply conduits of the said pressure and flow regulating means to achieve substantially rapid engine heating when desired. 3. A system to maintain coolant steady state as claimed in claims 1 and 2 wherein a three-way valve is mounted on the said coolant return conduit from engine / facility and a valve on the said coolant supply conduit to the engine / facility configured with the control unit such that the first connection of the said valve is with the engine / facility, the second one with the said pressure and flow regulating means and third with the coolant supply conduit to the engine/ facility. 4. A system to maintain coolant steady state as claimed in claim 1 wherein three-way vaives are provided on the said return and supply conduits of the said pressure and flow regulating means wherein at least one of the connections of the said three way valves is to the chilling medium such as cold water and the other two connections are between the engine / facility and the said pressure and flow regulating means. 5. A system to maintain coolant steady state as claimed in claims 1- 4 wherein the pressure relief valve of the said pressure and flow regulating 14 JUN 2007 means operates such that the coolant from coolant-impurity separation provision is diverted to the said coolant conduit to re-circulated continuously in the system to maintain steady state and not supplied to the engine / facility when there is no coolant demand from the engine / facility. 14 JUN 2007 6. A system to maintain coolant steady state as claimed in claims 1- 5 wherein coolant draining system comprising multi-way valves is provided on the coolant return and supply conduits from / to engine / facility wherein external pressurized fluid is passed through one of the said conduits to drain out the coolant from the engine / facility.

Full Text

THE PATENTS ACT, 1970
(39 OF 1970)
COMPLETE SPECIFICATION
(See Section 10}
TITLE OF INVENTION
"Improved System to Maintain Coolant Steady State"
(a) Gawande Avinash Anandrao
(b) residing at
29, Sambhaji Society, Senapati bapat Road Pune 411 016 State of Maharashtra, India

The following specification particularly describes the nature of the invention and the manner in which it is to be performed.

Field of Invention
The present invention relates to a system to control, regulate and maintain steady state of coolant at the engine inlet for engine testing.
Background of Invention
Modern engine test houses measure engine output precisely using advanced dynamometer systems. To achieve this accuracy maintaining and controlling coolant physical properties / parameters such as temperature, pressure and flow is of paramount importance in reliable and authenticated engine tests to achieve compliance with established standard. The performance of the engine is a strong function of the coolant input condition such as temperature and pressure. The variation in the temperature would affect various performance parameters such as exhaust gas emission level, specific fuel consumption etc. of the engine during the testing resulting in unreliable results. Various engine testing standards insists on maintaining constant fuel temperature for certification of engine, performance comparison of various engines, emission test and development evaluation.
The configuration of the conventional systems does not facilitate separation of impurities from the coolant. Further, there is no means for prohibiting formation of high temperature steam pockets in the engine jacket.
Thus the study of the related prior art reveals several technological gaps such
as:
Lack of provision for maintaining steady state of the coolant when engine
/ facility coolant demand is not there
Lack of provision for rapid heating of the coolant without circulating the
same in the system
Lack of provision for providing thermal shock that is supplying coolant at
the defined extreme conditions over the defined time cycle.
No provision for separation of impurities from the coolant
Lack of provision to protect engine cavities against corrosion
2 14 JUN 2007

Lack of provision to avoid generation of high temperature steam pockets in engine jacket No provision for preheating the coolant
Necessity has constantly been felt to develop a system to control and maintain steady state that is temperature and pressure of coolant for engine test.
SUMMARY OF THE INVENTION
The main object of the invention is to provide a system to control and maintain steady state that is temperature and pressure of coolant for engine test.
Yet another object of the invention is to provide continuous re-circulation of the coolant while maintaining its steady state though the coolant demand from the engine / facility is not there.
Another object of the invention is to facilitate rapid heating of the coolant without circulating it in the system till the desired temperature is reached to reduce time.
Yet another object of the invention is to facilitate thermal shock to the engine / facility wherein coolant at extreme defined temperatures is periodically supplied to the engine / facility according to defined time cycle.
Yet another object of the invention is to obviate generation of high temperature steam pockets in engine jacket
Yet another object of the invention is to separate coolant impurities.
Thus in accordance with the invention the system comprises of:
A system to maintain coolant steady state comprising:
coolant pressure and flow regulating means comprising a pressure relief valve,
optional non-return valve, coolant inlet and outlet provision;
a vertically disposed coolant conduit mounted with coolant filter at the top;
14 JUN 2007

coolant container disposed adjacent to the said coolant filter at substantially
same height of the said coolant filter
wherein the coolant container comprises of a coolant level indicator, air vent
provided at the top of the said coolant container, coolant filling provision;
a conduit joining the said coolant container and coolant filter optionally fitted
with a flow switch;
heat transfer device comprising heat transfer element, fluid flow control means, fluid circulating means and terminal connections wherein the said heat transfer device is connected substantially vertically to the said coolant container such that coolant flows downwards from the said coolant container to the coolant-impurity separation provision disposed at the bottom of the said heat transfer device;
coolant pump connected between the said coolant-impurity separation provision and the said coolant bypass system;
control unit configured with the said coolant pressure and flow regulating means, the said fluid circulating means and the said coolant level indicator;
wherein
coolant is passed from the said coolant pressure and flow regulating means to the said coolant filter through the said vertically disposed coolant conduit; further coolant is passed from the said coolant filter to the said coolant container via said conduit joining the said coolant container and coolant filter; further the coolant is passed through the said heat transfer device in the downward direction to the said coolant-impurity separation provision wherein impurities are separated and the said coolant is further pumped by the said pump to the said coolant pressure and flow regulating means.
1 4 JUN 2007

DESCRIPTION OF THE INVENTION
Features and advantages of this invention will become apparent in the following detailed description and the preferred embodiments with reference to the accompanying drawings.
Figure 1 Schematic of the system (Sheet 1)
The system as illustrated in Figure 1 comprises of pressure and flow regulating means 1 comprising pressure relief valve (not shown) and optional non-return valve (not shown), coolant return conduit from engine / facility 4 , coolant supply conduit to the engine / facility 3. The coolant in the conduit 3 passes to the engine / facility (not shown), the coolant from the engine passes through the coolant return conduit 4 to the unit 1. This unit comprises of multi-way valves that facilitate isolation of the system from the engine or by-pass of the coolant to the conduit 4 as well to re-circulate the coolant when there is no coolant demand from the engine / facility. When by-pass facility is not used the coolant from the conduit 4 is passed conduit 5 and further to 6. The coolant from the said pressure and flow regulating means 1 passes through the conduit 5 to the conduit 6 which is disposed verticaliy wherein the filter 7 is mounted at the top of the said conduit 6 that is optionally provided with flow switch with indicator 21. The expansion tank 8 is disposed adjacent to the said filter 7 via passage 9 as shown in the Figure. There is a provision to mount a flow switch with indicator in the said passage 9. Air vent means 10 and 11 is provided on the said expansion tank 8 and the filter respectively. The steam generated in the coolant or air trapped is vented out through he airvent means 10 and 11. Flow path of the coolant is indicated by dashed line 50. The said expansion tank 8 is provided with a level indicator 12 and a coolant filling provision 13 that is automatic or manually operated. The coolant from the expansion tank 8 flows downwards in the heat transfer device 14 which is mounted vertically. It comprises of heat transfer element 15 wherein another fluid at a temperature lower than coolant temperature flows in it, and its flow rate is controlled by the control valve 18. A pressure relief valve is in connection with 18 to release the fluid in case of high pressures in the system. Provision 16 mounted at the
14 JUN 2007

bottom of the said heat transfer device 14 separates impurities from the coolant. Further coolant is circulated in the system and engine / facility using the coolant circulating means 17. The control unit 19 is in connection with the system components as shown in the Figure.
In one of the embodiments the pressure relief valve in the said pressure and flow regulating means 1 operates such that the coolant from 16 to 1 is diverted to the conduit 5 and is re-circulated continuously in the system itself to maintain steady state and not supplied to the engine / facility through 3 when there is no coolant demand from the engine /facility.
In yet another embodiment rapid engine heating provision comprising one or plurality of multi-way valves are provided on the conduit 3 and / or 4 to achieve substantially rapid engine heating when desired. In one of the variants of this embodiment, a three-way valve is mounted on the conduit 4 and a valve on conduit 3 such that the first connection of the said valve is with the engine, the second with 1 and third with the conduit 3 wherein the said valves are configured with the said control unit 19.
In another embodiment, three-way valves are provided on the conduits 3 and 4 each wherein at least one of the connections of the three way valve is provided to the chilling medium such as cold water and the other two connections are between the engine / facility and the said pressure and flow regulating means 1.
In yet another embodiment, coolant draining system is provided wherein conduit 3 and 4 is provided with a multi-way valve wherein external pressurized fluid is passed through the conduit 3/ 4 in the engine / facility to drain out the coolant.
14 JUN 2007

claim
A system to maintain coolant steady state comprising:
coolant pressure and flow regulating means comprising a pressure relief
valve, optional non-return valve, coolant return conduit from engine /
facility , coolant supply conduit to the engine / facility, temperature
sensor/s optionally mounted on the said conduits ;
a vertically disposed coolant conduit mounted with coolant filter at the top
optionally provided with a coolant level switch with indicator;
coolant container disposed adjacent to the said coolant filter at
substantially same height of the said coolant filter
wherein
the coolant container comprises of a coolant level switch with indicator,
air vent provided at the top of the said coolant container, manual /
automatic coolant filling provision;
a conduit joining the said coolant container and coolant filter optionally
fitted with a flow switch;
heat transfer device comprising heat transfer element, fluid flow control means connected with a pressure relief valve, fluid inlet conduit, fluid outlet conduit, a fluid by-pass valve connected between the said inlet and outlet conduits
wherein the said heat transfer device is connected substantially vertically to the said coolant container such that coolant flows downwards from the said coolant container to the coolant-impurity separation provision disposed at the bottom of the said heat transfer device;
coolant pump connected between the said coolant-impurity separation provision and the said pressure and flow regulating means;
control unit configured with the said fluid flow control means, coolant pressure and flow regulating means fluid circulating means and the said coolant level switch;
7 1 4 JUN 2007

wherein
coolant is passed from the said coolant pressure and flow regulating means to the said coolant filter through the said vertically disposed coolant conduit; further coolant is passed from the said coolant filter to the said coolant container via said conduit joining the said coolant container and coolant filter; further the coolant is passed through the said heat transfer device in the downward direction to the said coolant-impurity separation provision wherein impurities are separated and the said coolant is further pumped by the said pump to the said coolant pressure and flow regulating means.
2. A system to maintain coolant steady state as claimed in claim 1 wherein rapid engine heating provision comprising one or plurality of multi-way valves configured with the said control unit are provided on the said return and supply conduits of the said pressure and flow regulating means to achieve substantially rapid engine heating when desired.
3. A system to maintain coolant steady state as claimed in claims 1 and 2 wherein a three-way valve is mounted on the said coolant return conduit from engine / facility and a valve on the said coolant supply conduit to the engine / facility configured with the control unit such that the first connection of the said valve is with the engine / facility, the second one with the said pressure and flow regulating means and third with the coolant supply conduit to the engine/ facility.
4. A system to maintain coolant steady state as claimed in claim 1 wherein three-way vaives are provided on the said return and supply conduits of the said pressure and flow regulating means wherein at least one of the connections of the said three way valves is to the chilling medium such as cold water and the other two connections are between the engine / facility and the said pressure and flow regulating means.
5. A system to maintain coolant steady state as claimed in claims 1- 4
wherein the pressure relief valve of the said pressure and flow regulating
14 JUN 2007

means operates such that the coolant from coolant-impurity separation provision is diverted to the said coolant conduit to re-circulated continuously in the system to maintain steady state and not supplied to the engine / facility when there is no coolant demand from the engine / facility.
14 JUN 2007
6. A system to maintain coolant steady state as claimed in claims 1- 5 wherein coolant draining system comprising multi-way valves is provided on the coolant return and supply conduits from / to engine / facility wherein external pressurized fluid is passed through one of the said conduits to drain out the coolant from the engine / facility.

Documents:

540-mum-2007-abstract(14-6-2007).doc

540-mum-2007-abstract(14-6-2007).pdf

540-mum-2007-claims(14-6-2007).doc

540-mum-2007-claims(14-6-2007).pdf

540-MUM-2007-CLAIMS(AMENDED)-(25-01-2011).pdf

540-MUM-2007-CLAIMS(AMENDED)-(25-3-2014).pdf

540-MUM-2007-CLAIMS(AMENDED)-(28-2-2013).pdf

540-mum-2007-correspondence(14-6-2007).pdf

540-mum-2007-correspondence(ipo)-(28-1-2010).pdf

540-mum-2007-correspondence-received.pdf

540-mum-2007-descripiton (provisional).pdf

540-mum-2007-description(complete)-(14-6-2007).pdf

540-mum-2007-drawing(14-6-2007).pdf

540-MUM-2007-DRAWING(25-3-2014).pdf

540-mum-2007-drawings.pdf

540-MUM-2007-FORM 13(25-3-2014).pdf

540-mum-2007-form 18(14-6-2007).pdf

540-mum-2007-form 2(14-6-2007).doc

540-mum-2007-form 2(14-6-2007).pdf

540-mum-2007-form 2(title page)-(14-6-2007).pdf

540-MUM-2007-FORM 2(TITLE PAGE)-(25-01-2011).pdf

540-MUM-2007-FORM 2(TITLE PAGE)-(25-3-2014).pdf

540-mum-2007-form 3(14-6-2007).pdf

540-mum-2007-form 5(14-6-2007).pdf

540-mum-2007-form 9(14-6-2007).pdf

540-mum-2007-form-1.pdf

540-mum-2007-form-2.doc

540-mum-2007-form-2.pdf

540-mum-2007-form-26.pdf

540-mum-2007-form-3.pdf

540-MUM-2007-MARKED COPY(25-3-2014).pdf

540-MUM-2007-REPLY TO EXAMINATION REPORT(25-01-2011).pdf

540-MUM-2007-REPLY TO HEARING (25-3-2014).pdf

540-MUM-2007-REPLY TO HEARING(28-2-2013).pdf

540-MUM-2007-SPECIFICATION(AMENDED)-(25-01-2011).pdf

540-MUM-2007-SPECIFICATION(AMENDED)-(25-3-2014).pdf

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Patent Number

259858

Indian Patent Application Number

540/MUM/2007

PG Journal Number

14/2014

Publication Date

04-Apr-2014

Grant Date

28-Mar-2014

Date of Filing

23-Mar-2007

Name of Patentee

GAWANDE AVINASH ANANDRAO

Applicant Address

29, Sambhaji Society, Senapati bapat Road, Pune-411 016,

Inventors:

#	Inventor's Name	Inventor's Address
1	GAWANDE AVINASH ANANDRAO	29, Sambhaji Society, Senapati bapat Road, Pune 411 016

PCT International Classification Number

F02D45/00

PCT International Application Number

N/A

PCT International Filing date

PCT Conventions:

#	PCT Application Number	Date of Convention	Priority Country
1			NA