Title:
VENTILATION CONTROL VALVE FOR FUEL TANK
Document Type and Number:
Japanese Patent JP2018013087
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a ventilation control valve for a fuel tank having desired responsiveness.SOLUTION: A ventilation control valve 3 for a fuel tank disposed on a ventilation passage connecting the inside and the outside of the fuel tank, is provided. The ventilation control valve 3 for the fuel tank includes a float 21 floating on a liquid level of a fuel and vertically moving. Further a valve mechanism 7 is disposed to switch a passage cross-sectional area of the ventilation passage to an opened state and a restricted state in which the passage cross-sectional area is restricted with respect to the opened state, in association with the float 21. Further a volume chamber 33 of which a volume is increased and decrease in association with the vertical movement of the float 21, and a flow rate adjustment mechanism 41 having a first state in which a fluid flows out from the inside to the outside of the volume chamber 33, and a second state which has the inflow from the outside to the inside different from the first state.SELECTED DRAWING: Figure 3
Inventors:
SUGIYAMA AKINARI
MUKASA YUSUKE
MUKASA YUSUKE
Application Number:
JP2016143303A
Publication Date:
January 25, 2018
Filing Date:
July 21, 2016
Export Citation:
Assignee:
KYOSAN DENKI KK
International Classes:
F02M37/00; B60K15/035; F16K15/04; F16K15/06; F16K24/04; F16K31/22
Attorney, Agent or Firm:
Kazuyuki Yahagi
Taihei Nonobe
Takanori Kubo
Taihei Nonobe
Takanori Kubo