Title:
VALVE DEVICE AND ASSEMBLY METHOD OF THE SAME
Document Type and Number:
Japanese Patent JP2021127782
Kind Code:
A
Abstract:
To provide a valve device which can inhibit increase of costs.SOLUTION: A valve device 1 includes: a housing 10 having a cylindrical inner peripheral wall 12; a fluid introduction passage 20 communicating with a space 11 on the inner peripheral wall 12; a fluid discharge passage 30 communicating with the space 11 on the inner peripheral wall 12; a valve body 40 having a communication passage 45 that allows the fluid introduction passage 20 and the fluid discharge passage 30 to communicate with each other, the valve body 40 having a large radius part 41 which is formed having a predetermined first inner radius set according to an inner radius of the inner peripheral wall 12 of the housing 10, a small radius part 42 which is formed having a second inner radius, and an intermediate part 43 which is formed so as to connect the large radius part 41 with the small radius part 42; a valve body rotation mechanism which rotates the valve body 40 in the space 11; seal members 60 which may contact with the rotating valve body 40 in the space 11; and a shaft 70 which penetrates through a through hole formed at the housing 10 and is inserted into the space 11.SELECTED DRAWING: Figure 2
Inventors:
MARUYAMA KOICHI
YOSHIDA MASABUMI
EMORI NAOKI
YUMISASHI NAOTO
YOSHIDA MASABUMI
EMORI NAOKI
YUMISASHI NAOTO
Application Number:
JP2020021440A
Publication Date:
September 02, 2021
Filing Date:
February 12, 2020
Export Citation:
Assignee:
AISHIN KK
International Classes:
F16K5/06
Attorney, Agent or Firm:
Patent business corporation r&c