Title:
リリーフ弁装置、および、それを用いる高圧ポンプ
Document Type and Number:
Japanese Patent JP6586931
Kind Code:
B2
Abstract:
A relief valve device includes: a valve housing that includes a communication passage, which communicates between a first pressure chamber and a second pressure chamber, and a relief chamber, which is configured to communicate with the second pressure chamber; a partition wall that is formed in an inside of the valve housing and partitions between the communication passage and the relief chamber; a first valve member that is configured to block and enable flow of fluid between the first pressure chamber and the communication passage; a first urging member that urges the first valve member; a second valve member that is configured to block and enable flow of the fluid between the second pressure chamber and the relief chamber; and a second urging member that urges the second valve member.
Inventors:
Shinichiro Koshimoto
Kazuki Takaki
Kazuki Takaki
Application Number:
JP2016165544A
Publication Date:
October 09, 2019
Filing Date:
August 26, 2016
Export Citation:
Assignee:
株式会社デンソー
International Classes:
F02M59/46; F02M59/36; F02M59/44; F02M69/54; F16K17/04
Domestic Patent References:
| JP5418697B2 | ||||
| JP2014224523A | ||||
| JP5338027U |
Attorney, Agent or Firm:
Masaki Hattori