EP 1704328 A1 20060927 - HERMETICALLY SEALED COMPRESSOR
Title (en)
HERMETICALLY SEALED COMPRESSOR
Title (de)
HERMETISCH ABGEDICHTETER VERDICHTER
Title (fr)
COMPRESSEUR HERMETIQUE
Publication
Application
Priority
- JP 2005010199 W 20050527
- JP 2004159166 A 20040528
- JP 2005043714 A 20050221
Abstract (en)
[origin: WO2005116449A1] A hermetically sealed compressor includes a sealed vessel filled with a coolant and a freezer oil, an electromotive element including a rotor and a stator and accommodated within the sealed vessel, and a compressing element accommodated within an upper region of the sealed vessel and adapted to be driven by the electromotive element. This compressing element is provided with a shaft, arranged so as to extend vertically and having the rotor mounted thereon, and a bearing for supporting the shaft. A first oil pump is provided in a lower portion of the shaft and opening into the freezer oil, a second oil pump is provided above the first oil pump and formed by a spiral groove, provided on an outer periphery of the shaft, and an inner peripheral wall surface of the rotor, and a third oil pump is provided above the second oil pump and formed by a spiral groove, provided on the outer periphery of the shaft, and an inner peripheral surface of the bearing.
IPC 8 full level
F04B 39/02 (2006.01); H02K 1/22 (2006.01); H02K 1/27 (2006.01); H02K 7/06 (2006.01); H02K 7/14 (2006.01); H02K 21/46 (2006.01)
CPC (source: EP US)
F04B 39/0246 (2013.01 - EP US); F04B 39/0253 (2013.01 - EP US); H02K 1/223 (2013.01 - EP US); H02K 7/06 (2013.01 - EP US); H02K 7/14 (2013.01 - EP US); H02K 21/46 (2013.01 - EP US); H02K 1/276 (2013.01 - EP US)
Citation (search report)
See references of WO 2005116449A1
Designated contracting state (EPC)
DE IT
DOCDB simple family (publication)
WO 2005116449 A1 20051208; EP 1704328 A1 20060927; JP 2008501080 A 20080117; US 2006147326 A1 20060706
DOCDB simple family (application)
JP 2005010199 W 20050527; EP 05745831 A 20050527; JP 2006515525 A 20050527; US 56213105 A 20051223