Title:
BOOSTER
Document Type and Number:
Japanese Patent JP2020186800
Kind Code:
A
Abstract:
To provide a booster that has no risk that a selector valve in use may stop in a neutral position.SOLUTION: A booster 10 is provided with a pilot selector valve 78 capable of alternately abutting on a first piston 42 and a second piston 46. The pilot selector valve includes: a movable valve element 88 inserted into a stationary valve element 80; and a pilot valve element 100 inserted into the movable valve element. A first pilot chamber 96 is provided on one side of the movable valve element, while a second pilot chamber 98 is provided on the other side of the movable valve element.SELECTED DRAWING: Figure 5
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Inventors:
ASAHA TAKESHI
Application Number:
JP2019093321A
Publication Date:
November 19, 2020
Filing Date:
May 17, 2019
Export Citation:
Assignee:
SMC CORP
International Classes:
F15B3/00
Domestic Patent References:
| JP2018179074A | 2018-11-15 | |||
| JPS6135201U | 1986-03-04 | |||
| JPS61106603U | 1986-07-07 |
Attorney, Agent or Firm:
Takehiro Chiba
Toshiyuki Miyadera
Takayuki Chima
Yasuharu Nakasone
Shiro Sakai
Toru Sekiguchi
Toshiyuki Miyadera
Takayuki Chima
Yasuharu Nakasone
Shiro Sakai
Toru Sekiguchi