Title:
VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/049507
Kind Code:
A1
Abstract:
An EGR valve 1 is provided with: an inner housing 22 including a flow passage 2a; a valve body 5 which opens and closes the flow passage 2a; a valve shaft 6 on which the valve body 5 is provided; an outer housing 21 in which the inner housing 22 is assembled; and a drive unit 7 which drives the valve shaft 6. The flow passage 2a of the inner housing 22 includes an inlet 18 and an outlet 19. The outer housing 21 includes an assembly hole 16 and separate flow passages 2b, 2c. In a state in which the inner housing 22 has been assembled in the assembly hole 16 of the outer housing 21: the inlet 18 and the outlet 19 of the inner housing 22 communicate with the separate flow passages 2b, 2c of the outer housing 21; an inlet sealing member 24 is provided between the inner housing 22 and the outer housing 21 to correspond to the periphery of the inlet 18; and an outlet sealing member 25 is provided between the inner housing 22 and the outer housing 21 to correspond to the periphery of the outlet 19.
Inventors:
SUGIHARA KOICHI (JP)
YOSHIOKA MAMORU (JP)
KAWAI SHINJI (JP)
BESSHO TAKASHI (JP)
YASUDA KOKI (JP)
SO KAISHO (JP)
FUKUTA HIROTAKA (JP)
KODAMA MIZUKI (JP)
YOSHIOKA MAMORU (JP)
KAWAI SHINJI (JP)
BESSHO TAKASHI (JP)
YASUDA KOKI (JP)
SO KAISHO (JP)
FUKUTA HIROTAKA (JP)
KODAMA MIZUKI (JP)
Application Number:
PCT/JP2020/034037
Publication Date:
March 18, 2021
Filing Date:
September 09, 2020
Export Citation:
Assignee:
AISAN IND (JP)
International Classes:
F02M26/72; F16K27/02; F02M26/66; F02M26/70; F16K1/32
Foreign References:
| FR3068433A1 | 2019-01-04 | |||
| US20120312402A1 | 2012-12-13 |
Attorney, Agent or Firm:
COSMOS INTERNATIONAL PATENT & TRADEMARK OFFICE (JP)
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