Title:
NEGATIVE PRESSURE-TYPE BOOSTER DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/194791
Kind Code:
A1
Abstract:
A check valve 7 of this negative pressure-type booster device is provided with: a cylindrical section 71 that is integrally formed with a shell 11 disposed on one side, communicates with a connection pipe 6, and is formed in a cylindrical shape protruding toward the inside of a housing 10; and a valve body section 72, 8 that is disposed inside the cylindrical section 71, and is axially fitted, within the cylindrical section 71, to the cylindrical section 71 such that air is permitted to flow from a negative pressure chamber R1 to the connection pipe 6 while the air is prohibited from flowing from the connection pipe 6 to the negative pressure chamber R1.
Inventors:
INOUE YOJI (JP)
LI NAN (JP)
LI NAN (JP)
Application Number:
PCT/JP2016/065664
Publication Date:
December 08, 2016
Filing Date:
May 27, 2016
Export Citation:
Assignee:
ADVICS CO LTD (JP)
International Classes:
B60T13/567; B60T17/00; B60T17/04; F16J15/52; F16K15/14
Foreign References:
| JP2014196030A | 2014-10-16 | |||
| JPS6259159A | 1987-03-14 | |||
| JPH0196580U | 1989-06-27 | |||
| JP2004176873A | 2004-06-24 |
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