Title:
FLOW CONTROL VALVE
Document Type and Number:
Japanese Patent JP2018185019
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a flow control valve capable of maintaining excellent sealability without partial wearing of a seal body between a rotor and a port, even in use for a long term.SOLUTION: A flow control valve includes a housing formed with a port PT, and a rotor B stored in an internal space of the housing and formed with a control hole part H like an open hole on a spherical outer wall part 21. The port PT includes an annular seal body 15 contacting with the outer wall part 21. A portion contacting with the seal body 15, of an opening edge of the control hole part H is set into the opening edge shape of the control hole part H so as to be displaced in a direction along a rotational axis with rotation of the rotor B.SELECTED DRAWING: Figure 4
Inventors:
YOSHIDA MASABUMI
SATO TADASUKE
SATO TADASUKE
Application Number:
JP2017088133A
Publication Date:
November 22, 2018
Filing Date:
April 27, 2017
Export Citation:
Assignee:
AISIN SEIKI
International Classes:
F16K5/06
Attorney, Agent or Firm:
Patent business corporation r&c