Title:
ロータリ式バルブ装置
Document Type and Number:
Japanese Patent JP6940347
Kind Code:
B2
Abstract:
A rotary type valve device includes a rotor having an internal passage and an opening portion which opens to an outer contour surface, a housing which supports the rotor to be rotatable and defines an axial passage communicating with the internal passage and a radial passage facing the outer contour surface and capable of communicate with the opening portion, a passage member disposed in the housing to define a part of the radial passage, and an annular seal member which seals a predetermined second clearance defined between the passage member and the housing, wherein the passage member includes an annular contact portion which is pressed so as to be in close contact with the outer contour surface by a pressure of a fluid flowing from the axial passage, and a pressed portion pressed by the pressure of the fluid flowing from the radial passage through the annular seal member.
Inventors:
Shogo Akase
Application Number:
JP2017180374A
Publication Date:
September 29, 2021
Filing Date:
September 20, 2017
Export Citation:
Assignee:
Mikuni Corporation
International Classes:
F01P7/16; F16K5/06; F16K31/04
Domestic Patent References:
| JP2017133547A | ||||
| JP49013729A | ||||
| JP2005521006A | ||||
| JP2008537083A | ||||
| JP59108869U | ||||
| JP4064668U |
Foreign References:
| US20160281585 | ||||
| US20160109031 |
Attorney, Agent or Firm:
Takatoshi Yamamoto