Title:
SEALING VALVE CONTROL SYSTEM
Document Type and Number:
Japanese Patent JP2017180611
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a sealing valve control system capable of thawing a frozen area without giving damage to a seal member (a seal area).SOLUTION: A fuel cell system 101 in which there are an inlet sealing valve 174 and an outlet integrated valve 181 each having a valve seat 13 provided with a rubber sheet 21 (a lip part 21a) for sealing a space between a valve element 14 and the valve seat 13, includes a controller 201 for, when there is a valve opening request and a stack temperature is lower than 5°C, performing thawing control to repeat the opening/closing of the inlet sealing valve 174 and the outlet integrated valve 181 at slight openings a prescribed number of times to the extent that the rubber sheet 21 is elastically deformed without causing the separation of contact points 14P, 21P where the valve element 14 and the rubber sheet 21 contact each other, and for, when the actual openings of the valves are each smaller than a thawing determination opening D, performing thawing control again following the thawing control while making the openings larger than the openings at the time of the previous thawing control.SELECTED DRAWING: Figure 24
Inventors:
YOSHIOKA MAMORU
ITO SHIGETO
FUKUI MAKOTO
INAGAKI TAKAKI
MISHIMA YOSHIZUMI
ITO SHIGETO
FUKUI MAKOTO
INAGAKI TAKAKI
MISHIMA YOSHIZUMI
Application Number:
JP2016066822A
Publication Date:
October 05, 2017
Filing Date:
March 29, 2016
Export Citation:
Assignee:
AISAN IND
International Classes:
F16K51/00; H01M8/04; H01M8/04225; H01M8/04302
Attorney, Agent or Firm:
Patent Business Corporation Cosmos Patent Office