Title:
排気管開閉弁装置
Document Type and Number:
Japanese Patent JP7232127
Kind Code:
B2
Abstract:
[Problem] To provide an exhaust pipe opening/closing valve device which can be easily assembled at a low cost and smoothly operate even under a high-temperature and corrosive environment. [Solution] This exhaust pipe opening/closing valve device 1 is characterized by comprising: a valve housing 2 which is provided in an exhaust pipe 10 and has an inner peripheral hole 2a formed therein and constituting a portion of the exhaust pipe 10; a valve 3 supported so as to be capable of opening/closing the inner peripheral hole 2a of the valve housing 2; and an actuator 5 that rotates the valve 3, wherein the valve housing 2 has a rotary shaft hole 2b which is formed in the inner peripheral hole 2a and supports the valve 3 and into which a wire bush 61 is inserted, and the valve 3 has a rotary shaft member 32 rotatably supported in the rotary shaft hole 2b via the bush 61, and a valve body 31 that is fixed to the rotary shaft member 32 and opens or closes the inner peripheral hole 2a.
Inventors:
Kenichi Goto
Kenji Saito
Machida Masataka
Kenji Saito
Machida Masataka
Application Number:
JP2019101301A
Publication Date:
March 02, 2023
Filing Date:
May 30, 2019
Export Citation:
Assignee:
Knorr-Bremse Commercial Vehicle System Japan Co., Ltd.
International Classes:
F02D9/10
Domestic Patent References:
| JP2017160880A | ||||
| JP7119498A | ||||
| JP2005256765A |
Attorney, Agent or Firm:
Takushi Koyama
Masataka Aiba
Sadatsugu Tanaka
Masataka Aiba
Sadatsugu Tanaka
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