EP 2390508 B1 20180328 - Suction opening of a screw compressor
Title (en)
Suction opening of a screw compressor
Title (de)
Ansaugöffnung eines Schraubenverdichters
Title (fr)
Ouverture d'aspiration d'un compresseur rotatif à vis
Publication
Application
Priority
JP 2010118883 A 20100525
Abstract (en)
[origin: EP2390508A2] A screw compressor includes a casing (3) forming a bore (4) for accommodating a male rotor (1) and a female rotor (2) of which lobes mesh with each other, an axial suction port (11) on a suction side of the casing, and a delivery port on a delivery side, the axial suction port configured by a contour line including a line (15) along a male lobe profile and a line (18) along a female lobe profile, and the line (15) along the male lobe profile disposed at a predetermined displacement angle (”f1) toward a rotational direction of the male rotor from a following side contour line position of a male lobe groove (5) at which position the volume of a working chamber (9) formed by the male lobe groove of the male rotor, a female lobe groove (6) of the female rotor and the bore is maximum.
IPC 8 full level
F04C 18/08 (2006.01); F04C 18/16 (2006.01); F04C 29/12 (2006.01)
CPC (source: EP)
F04C 18/086 (2013.01); F04C 18/16 (2013.01); F04C 29/12 (2013.01); F04C 2250/101 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2390508 A2 20111130; EP 2390508 A3 20140924; EP 2390508 B1 20180328; CN 102261332 A 20111130; CN 102261332 B 20150114; CN 103541899 A 20140129; CN 103541899 B 20161123; JP 2011247115 A 20111208; JP 5478362 B2 20140423
DOCDB simple family (application)
EP 11167299 A 20110524; CN 201110136609 A 20110525; CN 201310562500 A 20110525; JP 2010118883 A 20100525