Title:
PUMP DEVICE
Document Type and Number:
Japanese Patent JP2011132807
Kind Code:
A
Abstract:
To provide a pump device inhibiting enlargement of a pump by increasing flexibility in layout of liquid passages.
Working fluid from a first external gear pump part is discharged from a first discharge port formed on a support plate provided at another side surface side of each gear of a second external gear pump part and supporting a drive shaft through a hollow shaft, and working fluid from the second external gear pump is discharged from a second discharge port formed on the support plate.
Inventors:
MISUNO MASAKI
NAKAZAWA CHIHARU
NAKAZAWA CHIHARU
Application Number:
JP2009289924A
Publication Date:
July 07, 2011
Filing Date:
December 22, 2009
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD
International Classes:
F04C2/10; B60T17/00; F04C11/00; F04C15/06
Domestic Patent References:
| JPH07332254A | 1995-12-22 | |||
| JPH11244767A | 1999-09-14 |
Foreign References:
| WO2009098352A1 | 2009-08-13 |
Attorney, Agent or Firm:
Masamichi Ayata
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