Title:
PRESSURE REGULATION VALVE
Document Type and Number:
WIPO Patent Application WO/2022/065208
Kind Code:
A1
Abstract:
Provided is a pressure regulation valve with which is possible to open an opening with two stages of valve-opening pressure, low valve-opening pressure and high valve-opening pressure. This pressure regulation valve 10 has: a housing 11; a tank communication pipe 25; a canister communication pipe 30; a first opening 37 and second opening 38 which are formed in an internal space R1 and which allow communication between the tank communication pipe 25 and the canister communication pipe 30; a first valve body 60 that opens and closes the first opening 37; a second valve body 61 that opens and closes the second opening 38; a first urging spring 67 that urges the first valve body 60; a second urging spring 68 that urges the second valve body 61; and an actuator 70 that carries out a first action, in which the second opening 38 is forcibly closed by the second valve body 61, and a second action, in which the second opening 38 is released from being forcibly closed by the second valve body 61.
Inventors:
SAKAI TAKAHIRO (JP)
Application Number:
PCT/JP2021/034216
Publication Date:
March 31, 2022
Filing Date:
September 17, 2021
Export Citation:
Assignee:
PIOLAX INC (JP)
International Classes:
F02M25/08; F02M37/00
Domestic Patent References:
| WO2020050221A1 | 2020-03-12 |
Foreign References:
| JPH07259661A | 1995-10-09 | |||
| JP2001099015A | 2001-04-10 | |||
| JP2018158608A | 2018-10-11 | |||
| JP2016098661A | 2016-05-30 | |||
| JP2002004958A | 2002-01-09 | |||
| US20180030933A1 | 2018-02-01 | |||
| US20180119650A1 | 2018-05-03 |
Attorney, Agent or Firm:
SATO & ASSOCIATES (JP)
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