Title of Invention | COMPRESSOR |
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Abstract | A helical screw rotor compressor comprising A rotor housing (103, 104, 105) that includes a first end wall (103) and a second end wall (104), wherein said wall (103, 104) are parallel with one another and connected by a barrel wall (105), wherein said barrel wall has internally the shape of two parallel and mutually intersecting cylinders, and wherein the rotor housing (103, 104, 105) further includes an inlet port (108) at a first end and an outlet port at a second end, two rotors (101, 102) which co-act with each other and also with the rotor housing (103, 104, 105) and each of which includes a respective shaft (21; 26) mounted in end walls (103, 104) of the compressor housing, and a respective rotor body (22, 23) surrounding a respective shaft (21; 26), said bodies having parallel end surfaces (4,3) between the end walls (103, 104) of the rotor housing, wherein the rotor body (22,23) includes mutually separated helical lobes (106, 107) that have a crown (5; 15 respectively), a first or leading flank surface (1) on a first side of the crown (5) and a second or trailing flank surface (2) on a second side of the crown (5), characterised in that the second or trailing flanks (2) of said lobes (106, 107) are bevelled or chamfered adjacent the second end surface (3) at said outlet opening. |
Full Text | FORM-2 THE PATENTS ACT, 1970 (39 of 1970) & THE PATENTS RULES, 2003 COMPLETE Specification (See section 10 and rule 13) HELICAL SCREW ROTOR COMPRESSOR SVENSKA ROTOR MASKINER AB a Swedish Company of S-104 65 Stockholm, Sweden THE FOLLOWING SPECIFICATION PARTICULARLY DESCRIBES THE INVENTION AND THE MANNER IN WHICH IT IS TO BE PERFORMED. Original 3 0 NOV 2007 30-11-2007 |
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112-mumnp-2005-cancelled pages(30-11-2007).pdf
112-mumnp-2005-claims(granted)-(30-11-2007).doc
112-mumnp-2005-claims(granted)-(30-11-2007).pdf
112-mumnp-2005-correspondence(30-11-2007).pdf
112-mumnp-2005-correspondence(ipo)-(10-6-2008).pdf
112-mumnp-2005-correspondence-others.pdf
112-mumnp-2005-correspondence-received.pdf
112-mumnp-2005-description (complete).pdf
112-mumnp-2005-drawing(30-11-2007).pdf
112-mumnp-2005-form 1(4-2-2005).pdf
112-mumnp-2005-form 18(22-3-2006).pdf
112-mumnp-2005-form 2(granted)-(30-11-2007).doc
112-mumnp-2005-form 2(granted)-(30-11-2007).pdf
112-mumnp-2005-form 26(16-2-2005).pdf
112-mumnp-2005-form 3(4-2-2005).pdf
112-mumnp-2005-form 5(4-2-2005).pdf
112-mumnp-2005-form 9(18-3-2005).pdf
112-mumnp-2005-form-pct-ib-308.pdf
112-mumnp-2005-form-pct-ipea-409.pdf
112-mumnp-2005-form-pct-isa-210(30-11-2007).pdf
112-mumnp-2005-pct-search report.pdf
Patent Number | 221802 | ||||||||
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Indian Patent Application Number | 112/MUMNP/2005 | ||||||||
PG Journal Number | 41/2008 | ||||||||
Publication Date | 10-Oct-2008 | ||||||||
Grant Date | 07-Jul-2008 | ||||||||
Date of Filing | 04-Feb-2005 | ||||||||
Name of Patentee | SVENSKA ROTOR MASKINER AB | ||||||||
Applicant Address | S-104 65 Stockholm | ||||||||
Inventors:
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PCT International Classification Number | F04C18/16 | ||||||||
PCT International Application Number | PCT/SE2003/001203 | ||||||||
PCT International Filing date | 2003-07-11 | ||||||||
PCT Conventions:
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