Title:
NEGATIVE PRESSURE TYPE BOOSTER DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/159275
Kind Code:
A1
Abstract:
A valve mechanism (V) of this negative pressure type booster device (1) has: a negative pressure valve seat (22d) provided on a valve body (22); an atmospheric valve seat (32d) provided on a plunger (32); and a valve part (41) provided with a negative pressure valve section (41b1) constituting a negative pressure valve (V1) together with the negative pressure valve seat (22d) and an atmospheric valve section (41b2) constituting an atmospheric valve (V2) together with the atmospheric valve seat (32d). The valve mechanism is provided with a tilting part (50) which is provided on at least one of the valve body (22) and the valve part (41) and tilts the atmospheric valve section (41b2) relative to a first plane (AP1) formed when the negative pressure valve section (41b1) and the negative pressure valve seat (22d) are brought into contact with each other to put the negative pressure valve (V1) in a closed state.
Inventors:
HIROTA NOBUYUKI (JP)
WATANABE MINORU (JP)
FURUTA YU (JP)
INOUE YOJI (JP)
TANIMOTO ERI (JP)
WATANABE MINORU (JP)
FURUTA YU (JP)
INOUE YOJI (JP)
TANIMOTO ERI (JP)
Application Number:
PCT/JP2016/060758
Publication Date:
October 06, 2016
Filing Date:
March 31, 2016
Export Citation:
Assignee:
ADVICS CO LTD (JP)
International Classes:
B60T13/57
Foreign References:
| JP2009173276A | 2009-08-06 | |||
| JP2004359050A | 2004-12-24 | |||
| JPH08268265A | 1996-10-15 |
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