Title:
HIGH-PRESSURE FUEL SUPPLY PUMP PROVIDED WITH ELECTROMAGNETIC INTAKE VALVE
Document Type and Number:
WIPO Patent Application WO/2018/123323
Kind Code:
A1
Abstract:
The purpose of the present invention is to prevent the occurrence of wear in a rod collision part by reducing tilt of an intake valve and a rod in an electromagnetic intake valve of a high-pressure fuel supply pump. The structure of the electromagnetic intake valve of the high-pressure fuel supply pump is configured as follows. A seat part of the intake valve and a guide part of the rod are configured as an integrated component, sufficient length of a rod guide is ensured, and the rod guide is configured as a guide in a single location. Furthermore, the intake valve seat part and the surface where the rod collides with the intake valve are configured in the same plane.
Inventors:
KAWANO TATSUO (JP)
TOKUO KENICHIRO (JP)
USUI SATOSHI (JP)
YAGAI MASAMICHI (JP)
TOKUMARU KAZUAKI (JP)
TOKUO KENICHIRO (JP)
USUI SATOSHI (JP)
YAGAI MASAMICHI (JP)
TOKUMARU KAZUAKI (JP)
Application Number:
PCT/JP2017/041203
Publication Date:
July 05, 2018
Filing Date:
November 16, 2017
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
F02M59/36; F02M59/34
Foreign References:
| JP2012082849A | 2012-04-26 | |||
| JP2016142143A | 2016-08-08 | |||
| JP2015218675A | 2015-12-07 | |||
| JP2016094913A | 2016-05-26 |
Attorney, Agent or Firm:
TODA Yuji (JP)
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