Title:
VALVE DEVICE AND VALVE MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/230819
Kind Code:
A1
Abstract:
A valve device equipped with a housing (20), a valve (30), and a valve seal (36). The valve seal (36) is formed in an annular shape, is provided at a position corresponding to an outlet port (221) so as to be capable of making contact with an outer circumferential wall of a valve body (31), has formed on the inside thereof a seal opening part (360) capable of communicating with a valve body opening part depending on the rotational position of the valve body (31), and is capable of maintaining a liquid-tight seal between the valve seal and the outer circumferential wall of the valve body (31). At least a portion of the outer circumferential wall of the valve body (31) is formed as a spherical surface, and at least a portion of the inner circumferential wall is formed so as to be recessed toward the outside.
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Inventors:
IKEMOTO TADASHI (JP)
SATO YUTO (JP)
ICHIKAWA MASATO (JP)
GOTO AKIHIKO (JP)
SATO YUTO (JP)
ICHIKAWA MASATO (JP)
GOTO AKIHIKO (JP)
Application Number:
PCT/JP2019/021343
Publication Date:
December 05, 2019
Filing Date:
May 29, 2019
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
F16K11/076; F01P7/16; F16K27/06
Domestic Patent References:
| WO2016157630A1 | 2016-10-06 | |||
| WO2018230644A1 | 2018-12-20 |
Foreign References:
| DE102017004458A1 | 2017-11-16 | |||
| JP2015197132A | 2015-11-09 | |||
| JP2002523701A | 2002-07-30 | |||
| JP2010539417A | 2010-12-16 |
Attorney, Agent or Firm:
HATTORI Masaki (JP)
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