Title:
VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/150821
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a valve device that suppresses adhesion of deposits to a gas passage and that is very easily assembled. The valve device is provided with: a valve body (5); a tubular passage-constituting member (30) which is mounted to the valve body (5) and in which a gas passage covered with a fluorine-based resin is formed; a throttle valve (2) which controls the flow rate of a gas flowing through the gas passage; a throttle shaft (3) which penetrates the passage-constituting member (30) to support the throttle valve (2) in the gas passage; and bearings (8, 9) which pivotally support the throttle shaft (3). The passage-constituting member (30) has boss parts (30A, 30B) serving as fitting parts fitted into the bearings (8, 9).
Inventors:
HATSUZAWA HIDEFUMI (JP)
NEMOTO TOYOSHI (JP)
ODAKURA KOJI (JP)
NEMOTO TOYOSHI (JP)
ODAKURA KOJI (JP)
Application Number:
PCT/JP2018/002077
Publication Date:
August 23, 2018
Filing Date:
January 24, 2018
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
F16K1/22; F02D9/10; F16K1/226; F16K1/32; F16K27/02; F16K31/04
Foreign References:
JP2005256971A | 2005-09-22 | |||
JP2003166654A | 2003-06-13 | |||
JPH0372161U | 1991-07-22 | |||
JPH0297778A | 1990-04-10 |
Attorney, Agent or Firm:
TODA Yuji (JP)
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