EP 1619388 B1 20070829 - Oil pump
Title (en)
Oil pump
Title (de)
Ölpumpe
Title (fr)
Pompe à huile
Publication
Application
Priority
JP 2004213324 A 20040721
Abstract (en)
[origin: EP1619388A1] An oil pump comprising a housing (10) that forms a pump chamber (10p), an inner rotor (21, 221) and rotatably driven by engaging with a driving shaft (32, 232), the inner rotor forming with an outer periphery of the driving shaft a communicating groove (21d, 221d), an outer rotor (22) and rotating by means of engagement between outer gears (21a) of the inner rotor and inner gears (22a) of the outer rotor, and an oil seal (33) arranged between the housing and the driving shaft characterized in that the oil pump further comprises a separating portion (11b) formed on the housing for separating between the pump chamber and the oil seal. The separating portion includes a cylindrical portion (11e) including an inner wall (11d) extending towards the inner rotor, and a guide portion (11c) inclining towards the communicating groove and connected to the inner wall.
IPC 8 full level
F04C 2/10 (2006.01); F04C 15/00 (2006.01)
CPC (source: EP)
F04C 15/0038 (2013.01); F04C 2/102 (2013.01)
Designated contracting state (EPC)
CZ DE FR GB
DOCDB simple family (publication)
EP 1619388 A1 20060125; EP 1619388 B1 20070829; DE 602005002200 D1 20071011; DE 602005002200 T2 20080515; JP 2006029295 A 20060202; JP 4895486 B2 20120314
DOCDB simple family (application)
EP 05015021 A 20050711; DE 602005002200 T 20050711; JP 2004213324 A 20040721