Title of Invention

COMPRESSOR

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


Documents:

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-claims.doc

112-mumnp-2005-claims.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-drawings.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-1.pdf

112-mumnp-2005-form-18.pdf

112-mumnp-2005-form-2.doc

112-mumnp-2005-form-2.pdf

112-mumnp-2005-form-26.pdf

112-mumnp-2005-form-3.pdf

112-mumnp-2005-form-5.pdf

112-mumnp-2005-form-9.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

abstract1.jpg


Patent Number 221802
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:
# Inventor's Name Inventor's Address
1 SUNDSTROM ,MATS Strandskatevagen 17, S-134 62 Ingaro,
PCT International Classification Number F04C18/16
PCT International Application Number PCT/SE2003/001203
PCT International Filing date 2003-07-11
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 0202413-1 2002-08-14 Sweden