Title:
PRESSURE RELEASE VALVE
Document Type and Number:
Japanese Patent JP2020102541
Kind Code:
A
Abstract:
To suppress a gap leakage due to an engagement of an electrolyte between an outer edge and a valve seat of a seal lip.SOLUTION: A pressure release valve 100 comprises: a valve chamber 110 which opens to an atmosphere side, is communicated on an inner device side via a communication hole 111 provided on a bottom side, and makes a taper-shaped valve seat 112 reducing a diameter toward the communication hole communicate to the communication hole; a valve body 120 which is arranged in a valve chamber, in which a seal lip 122 having elasticity for being adhered to the valve seat is provided on an outer peripheral side, and a bottom face 122b of the seal lip is extended from a contact point 122a1 with the valve seat to a horizontal direction or lower them; and a support member 130 which is provided to an open of the atmosphere side of the valve chamber with an air permeability, and supports the valve body to a pulling-out prevention direction to the atmosphere side. The valve body is structured so as to be arranged in the valve chamber via the support member.SELECTED DRAWING: Figure 1
Inventors:
NAGASHIMA JIRO
Application Number:
JP2018239936A
Publication Date:
July 02, 2020
Filing Date:
December 21, 2018
Export Citation:
Assignee:
NOK CORP
International Classes:
H01G9/12; H01G11/14; H01M2/12
Attorney, Agent or Firm:
Kiriyama Dai
Yoichi Nomoto
Yoichi Nomoto