Title:
OIL PUMP DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/067175
Kind Code:
A1
Abstract:
[Problem] To provide an oil pump device wherein easy installation of an electric pump is possible. [Solution] An oil pump wherein a mechanical pump (20), with an inner gear (21) driven by an engine and an outer gear (23) that meshes with the inner gear (21), and an electric pump (30), with an outer gear (37) driven by a motor unit and an inner gear (35) that meshes with the outer gear (37), are housed adjacent in the shaft direction in a pump housing space (13) in a pump housing (10) that has intake ports (15, 17) and discharge ports (16, 18). A shielding plate (40) that shields communication between the intake ports (15, 17) and the discharge ports (16, 18) is arranged between the mechanical pump (20) and the electric pump (30).
Inventors:
WATANABE KENTARO (JP)
YAMAMORI MOTOYASU (JP)
TAKAHATA RYOUICHI (JP)
ANDO KAZUYA (JP)
MUKAIDE NAOMASA (JP)
YAMAMORI MOTOYASU (JP)
TAKAHATA RYOUICHI (JP)
ANDO KAZUYA (JP)
MUKAIDE NAOMASA (JP)
Application Number:
PCT/JP2011/076485
Publication Date:
May 24, 2012
Filing Date:
November 17, 2011
Export Citation:
Assignee:
JTEKT CORP (JP)
WATANABE KENTARO (JP)
YAMAMORI MOTOYASU (JP)
TAKAHATA RYOUICHI (JP)
ANDO KAZUYA (JP)
MUKAIDE NAOMASA (JP)
WATANABE KENTARO (JP)
YAMAMORI MOTOYASU (JP)
TAKAHATA RYOUICHI (JP)
ANDO KAZUYA (JP)
MUKAIDE NAOMASA (JP)
International Classes:
F04C11/00; F04C2/10; F04C15/00
Foreign References:
| JPH02153281A | 1990-06-12 | |||
| JPH11257250A | 1999-09-21 | |||
| JP2000045955A | 2000-02-15 | |||
| JP2005030517A | 2005-02-03 | |||
| JPS59203892A | 1984-11-19 | |||
| JPH0673387A | 1994-03-15 | |||
| JPH0925809A | 1997-01-28 | |||
| JP2010258852A | 2010-11-11 | |||
| JP2011026906A | 2011-02-10 |
Other References:
See also references of EP 2642126A4
Attorney, Agent or Firm:
UENO, HIDEKI (JP)
Ueno Hideki (JP)
Ueno Hideki (JP)
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Claims: