Title:
CHANNEL SWITCHING VALVE
Document Type and Number:
Japanese Patent JP2021081043
Kind Code:
A
Abstract:
To prevent the deposition of impurity in a housing, and to improve the workability of a valve, in a channel switching valve.SOLUTION: In a housing 12 configuring a channel switching valve 10, a seal unit 68 is provided between a second cover member 40 blocking a second opening portion 28 and a valve 94. On a bottom portion 80 of a sheet member 72 sliding with the other end surface 94a of the valve 94, an annular inner peripheral side tapered portion 82 is formed, which faces introduction holes 56a to 56c of the second cover member 40, and inclines in a direction separating from the valve 94. The valve 94 is provided with first and second valve ports 98 and 100 capable of communicating between a valve chamber 24 of the housing 12 and the introduction holes 56a to 56c at positions corresponding to the plurality of introduction holes 56a to 56c. The first and second valve ports 98 and 100 largely open to the inner side in a diametrical direction with respect to the inner peripheral tapered portion 82, when opposing the sheet member 72.SELECTED DRAWING: Figure 2
Inventors:
SUGIHARA JUN
Application Number:
JP2019210803A
Publication Date:
May 27, 2021
Filing Date:
November 21, 2019
Export Citation:
Assignee:
KEIHIN CORP
International Classes:
F16K11/072
Attorney, Agent or Firm:
Takehiro Chiba
Toshiyuki Miyadera
Takayuki Chima
Yasuharu Nakasone
Shiro Sakai
Toru Sekiguchi
Toshiyuki Miyadera
Takayuki Chima
Yasuharu Nakasone
Shiro Sakai
Toru Sekiguchi