Invention Grant
- Patent Title: Fuel pump
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Application No.: US15272946Application Date: 2016-09-22
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Publication No.: US10087916B2Publication Date: 2018-10-02
- Inventor: Kazuhiro Asayama
- Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
- Applicant Address: JP Toyota
- Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
- Current Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
- Current Assignee Address: JP Toyota
- Agency: Oliff PLC
- Priority: JP2015-198630 20151006
- Main IPC: F04B17/04
- IPC: F04B17/04 ; F04B9/06 ; F02M37/04 ; F02M37/08 ; F04B1/02 ; F04B11/00 ; F04B17/03 ; F04B19/22 ; F04B53/00

Abstract:
A fuel pump includes a first plunger that reciprocates in a first cylinder. The fuel pump further includes a first mover connected to the first plunger; a second mover that serves as a counterweight for suppressing vibration that occurs due to reciprocating movement of the first mover; an electromagnet and a magnetic member that are provided between the first mover and the second mover; a plate disposed between the first mover and the second mover; and a third spring and a fourth spring being a pair of springs sandwiching the plate between the third spring and the fourth spring, the third spring and the fourth spring having end portions connected to a housing.
Public/Granted literature
- US20170096987A1 Fuel Pump Public/Granted day:2017-04-06
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