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Patent Searching and Data


Title:
EGR VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/079675
Kind Code:
A1
Abstract:
An EGR valve device equipped with: a housing 7 which contains a channel; a valve body for opening and closing the channel; a valve stem to which the valve body is provided; and a partner member 3 which includes a housing 7 attachment hole 21 to which the housing 7 is attached, and also includes a separate channel. The channel is connected to the separate channel while in a state where the housing 7 is attached to the attachment hole 21 of the partner member 3, and a sealing member 25 is provided in at least one location between the outer surface of the housing 7 and the inner surface of the attachment hole 21. The sealing member 25 includes a vibration reduction part 25b which has a vibration-reducing function and is formed from an elastic material, and also includes a sealing part 25c which has a sealing function.

Inventors:
SUGIHARA KOICHI (JP)
Application Number:
PCT/JP2020/035889
Publication Date:
April 29, 2021
Filing Date:
September 24, 2020
Export Citation:
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Assignee:
AISAN IND (JP)
International Classes:
F02M26/72; F02M26/11; F02M26/66; F16F15/04; F16J15/06; F16J15/10; F16K27/02; F16K47/02
Foreign References:
JP2015017506A2015-01-29
JP2015001246A2015-01-05
JP2016109119A2016-06-20
JPS59190578A1984-10-29
US20120312402A12012-12-13
Attorney, Agent or Firm:
COSMOS INTERNATIONAL PATENT & TRADEMARK OFFICE (JP)
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