| Title of Invention | A TEST RIG FOR TESTING A CONTROL VALVE |
|---|---|
| Abstract | A test rig for testing a control valve, said test rig comprises: - a pair of clamping cylinders between which a control valve (21) to be tested is clampable; - a load cell (27) aligned with a reciprocable spool (24) of said cylinder valve, and connected to a motor (26); - a first pressure transducer (14.1) connected to a hydraulic fluid pressure line (2S) connectible to the inlet of the control valve, and to a hydraulic fluid tank (1); - a hydraulic fluid return line (22) connected to said tank and connectible to an outlet of the control valve; - a second pressure transducer (14.2) connected to a fluid line (29) connectible to said control valve; - a hydraulic cylinder (17) connected to said fluid line and having a reciprocable piston, at the free end of which a weight (23) is suspended; - digital displacement meters (16, 19) connected to said load cell and said hydraulic cylinder; and - a programmable logic controller connected to said motor, load cell, displacement meters and pressure transducers. |
| Full Text |
|---|
683-CAL-2001-(10-02-2012)-CORRESPONDENCE.pdf
683-CAL-2001-(10-02-2012)-PA-CERTIFIED COPIES.pdf
683-cal-2001-granted-abstract.pdf
683-cal-2001-granted-assignment.pdf
683-cal-2001-granted-claims.pdf
683-cal-2001-granted-correspondence.pdf
683-cal-2001-granted-description (complete).pdf
683-cal-2001-granted-drawings.pdf
683-cal-2001-granted-examination report.pdf
683-cal-2001-granted-form 1.pdf
683-cal-2001-granted-form 18.pdf
683-cal-2001-granted-form 2.pdf
683-cal-2001-granted-form 3.pdf
683-cal-2001-granted-letter patent.pdf
683-cal-2001-granted-reply to examination report.pdf
683-cal-2001-granted-specification.pdf
| Patent Number | 221746 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Indian Patent Application Number | 683/CAL/2001 | ||||||||
| PG Journal Number | 27/2008 | ||||||||
| Publication Date | 04-Jul-2008 | ||||||||
| Grant Date | 03-Jul-2008 | ||||||||
| Date of Filing | 13-Dec-2001 | ||||||||
| Name of Patentee | DYNAMATIC TECHNOLOGIES LIMITED | ||||||||
| Applicant Address | 79/7-B ACHARYA JAGADISH CHANDRA BOSE ROAD, CALCUTTA 700014 | ||||||||
Inventors:
|
|||||||||
| PCT International Classification Number | B60T 17/00 | ||||||||
| PCT International Application Number | N/A | ||||||||
| PCT International Filing date | |||||||||
PCT Conventions:
|
|||||||||