Invention Grant
- Patent Title: Pump device
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Application No.: US14402726Application Date: 2013-05-20
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Publication No.: US10087917B2Publication Date: 2018-10-02
- Inventor: Masayuki Saito , Chiharu Nakazawa , Masaki Misunou
- Applicant: Hitachi Automotive Systems, Ltd.
- Applicant Address: JP Hitachinaka-shi
- Assignee: Hitachi Automotive Systems, Ltd.
- Current Assignee: Hitachi Automotive Systems, Ltd.
- Current Assignee Address: JP Hitachinaka-shi
- Agency: Crowell & Moring LLP
- Priority: JP2012-116779 20120522
- International Application: PCT/JP2013/063911 WO 20130520
- International Announcement: WO2013/176076 WO 20131128
- Main IPC: F04B11/00
- IPC: F04B11/00 ; B60T8/44 ; B60T8/48 ; B60T8/50 ; B60T17/02 ; F04C15/00 ; F04B53/10 ; F04C2/10 ; F04C2/344
Abstract:
An object of the present invention is to provide a pump device that is capable of improving a discharge performance. A first orifice 301 that is provided on a discharge oil passage (a pipe 12) of a pump 2 and a second orifice 302 that, when a flow amount Q becomes greater than a predetermined flow amount Q1, allows pass of brake fluid are provided.
Public/Granted literature
- US20150159638A1 Pump Device Public/Granted day:2015-06-11
Information query
