Title:
バタフライバルブ
Document Type and Number:
Japanese Patent JP7127560
Kind Code:
B2
Abstract:
A valve body has a substantially disk shape and is provided in a gas passage. A shaft supports the valve body so as to be rotatable in the gas passage. A groove portion is provided at an outer edge portion of the valve body on an outer side in a radial direction so as to extend in a circumferential direction of the valve body. A seal ring is formed in an annular shape, has a separated portion as a cut in a part in the circumferential direction, and is fitted in the groove portion of the valve body. At least one of one end surface in a circumferential direction and the other end surface in the circumferential direction of the seal ring is a inclined surface that is inclined so as to guide a foreign matter accumulated in a gap of the separated portion to an outside of the gap.
More Like This:
| JP2787726 | [Title of Invention] Butterfly valve |
| WO/2006/003017 | FLAP VALVE FOR A MOTOR VEHICLE EXHAUST SYSTEM |
Inventors:
Yuji Tsuzuki
Tokuyuki Inagaki
Tokuyuki Inagaki
Application Number:
JP2019014504A
Publication Date:
August 30, 2022
Filing Date:
January 30, 2019
Export Citation:
Assignee:
株式会社デンソー
International Classes:
F16K1/226; F02M26/70; F16K51/00
Domestic Patent References:
| JP2016089985A | ||||
| JP2012180878A | ||||
| JP2017089675A | ||||
| JP8326923A | ||||
| JP2004028320A | ||||
| JP2007255652A | ||||
| JP2007239954A | ||||
| JP2005127382A | ||||
| JP2001165322A |
Foreign References:
| US11085543 |
Attorney, Agent or Firm:
Patent Attorney Corporation Yuai Patent Office
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