Title:
VACUUM BOOSTER CHECK VALVE
Document Type and Number:
WIPO Patent Application WO/2018/021283
Kind Code:
A1
Abstract:
A vacuum booster check valve 10 comprises: a main body 11 attached to a vacuum inlet 3; a first passage 111c, an accommodation section 112a, and a second passage 112b; a valve seat 12 formed in the first passage 111c; a valve body 13 accommodated within the accommodation section 112a; and springs 15 that bias the valve body 13 toward the valve seat 12. The check valve 10 also comprises vibration absorption sections 16 whereby, when the valve body 13 is seated on the valve seat 12, one part of the valve body 13 absorbs more vibrations imparted to the valve body 13 compared to other parts of the valve body 13.
Inventors:
ISHIKAWA KENTA (JP)
ARAKAWA MASAKI (JP)
SUZUKI KIMIYASU (JP)
ARAKAWA MASAKI (JP)
SUZUKI KIMIYASU (JP)
Application Number:
PCT/JP2017/026818
Publication Date:
February 01, 2018
Filing Date:
July 25, 2017
Export Citation:
Assignee:
ADVICS CO LTD (JP)
International Classes:
F16K15/06; B60T13/52; B60T17/00; F16K47/02; F16K1/36
Foreign References:
| JP2015024700A | 2015-02-05 | |||
| JPS60117260U | 1985-08-08 | |||
| JP2002349439A | 2002-12-04 |
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