Title:
FLOW CHANNEL AREA CONTROL VALVE FOR FUEL TANK
Document Type and Number:
WIPO Patent Application WO/2022/085569
Kind Code:
A1
Abstract:
Provided is a flow channel area control valve for a fuel tank, the flow channel area control valve being capable of controlling the flow channel area of an opening in a plurality of stages. This flow channel area control valve 10 for a fuel tank comprises: a housing 11 which is provided with a first space R1 that communicates with the inside of the fuel tank and a second space R2 that communicates with the outside of the fuel tank, a partition wall 22 being interposed between the first space R1 and the second space R2, and openings 23, 24 that communicate the first space R1 with the second space R2 being provided in the partition wall 22; needle valves 80, 81 which are disposed on the second space R2 side and have valve heads 90, 91 having a thickness that changes in a plurality of steps such that the valve heads 90, 91 can be inserted into and removed from the openings 23, 24; and a drive unit which moves the needle valves 80, 81 and changes the insertion position of the valve heads 90, 91 in relation to the openings 23, 24.
Inventors:
MIYAMAE HITOSHI (JP)
Application Number:
PCT/JP2021/038110
Publication Date:
April 28, 2022
Filing Date:
October 14, 2021
Export Citation:
Assignee:
PIOLAX INC (JP)
International Classes:
F16K31/524; B60K15/035; F02M25/08; F02M37/00; F16K1/00; F16K1/36
Domestic Patent References:
| WO2015002063A1 | 2015-01-08 |
Foreign References:
| JP2016031094A | 2016-03-07 | |||
| JPS61194888U | 1986-12-04 | |||
| JPH10160034A | 1998-06-16 | |||
| JPS58142457U | 1983-09-26 | |||
| JP2008151243A | 2008-07-03 | |||
| JP2003240144A | 2003-08-27 |
Attorney, Agent or Firm:
SATO & ASSOCIATES (JP)
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