Global Patent Index - EP 1975413 A1

EP 1975413 A1 20081001 - Multi stage rotary compressor

Title (en)

Multi stage rotary compressor

Title (de)

Mehrstufiger Drehkompressor

Title (fr)

Compresseur rotatif à étages multiples

Publication

EP 1975413 A1 20081001 (EN)

Application

EP 08251003 A 20080320

Priority

JP 2007083399 A 20070328

Abstract (en)

There is provided a two-stage compression rotary compressor in which the balancer mass of a rotor can be made as small as possible, and the moments that tilt the whole of a shaft can be balanced. The axial length L2 of a high-stage side crankshaft 72 corresponding to a high-stage compressing section 32 is longer than the axial length L1 of a low-stage side crankshaft 73 corresponding to a low-stage compressing section 31 (L2 > L1).

IPC 8 full level

F04C 18/356 (2006.01); F04C 23/00 (2006.01); F04C 29/00 (2006.01)

CPC (source: EP US)

F04C 18/3564 (2013.01 - EP US); F04C 23/001 (2013.01 - EP US); F04C 23/008 (2013.01 - EP US); F04C 29/0021 (2013.01 - EP US); F04C 29/0057 (2013.01 - EP US); F04C 2240/601 (2013.01 - EP US)

Citation (applicant)

JP H11230073 A 19990824 - SANYO ELECTRIC CO

Citation (search report)

Designated contracting state (EPC)

FR GB

Designated extension state (EPC)

AL BA MK RS

DOCDB simple family (publication)

EP 1975413 A1 20081001; CN 101275562 A 20081001; JP 2008240667 A 20081009; US 2008240954 A1 20081002

DOCDB simple family (application)

EP 08251003 A 20080320; CN 200810090344 A 20080327; JP 2007083399 A 20070328; US 7348408 A 20080306