Title:
ポンプ装置
Document Type and Number:
Japanese Patent JP4964930
Kind Code:
B2
Abstract:
A pump assembly including a housing, a pump unit having a low pressure portion and a high pressure portion and accommodated in a pump unit receiving portion which is formed in the housing, a suction passage, a low pressure chamber communicated with the suction passage and the low pressure portion, and a discharge passage, wherein when the pump unit is accommodated in the pump unit receiving portion, the low pressure chamber is formed between the pump unit and a wall surface of the housing which defines the pump unit receiving portion, and the discharge passage is formed by a communication pipe which extends through the low pressure chamber and communicates the housing and the high pressure portion of the pump unit with each other.
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Inventors:
Masaki
Chiharu Nakazawa
Chiharu Nakazawa
Application Number:
JP2009215912A
Publication Date:
July 04, 2012
Filing Date:
September 17, 2009
Export Citation:
Assignee:
Hitachi Automotive Systems, Ltd.
International Classes:
F04B53/16; F04B53/00; F04C2/10; F04C11/00; F04C15/00; F04C15/06
Domestic Patent References:
| JP56044480A | ||||
| JP55069774A |
Attorney, Agent or Firm:
Masamichi Ayata