Title:
PRESSURE BOOSTER
Document Type and Number:
WIPO Patent Application WO/2019/044047
Kind Code:
A1
Abstract:
This pressure booster (10) having arranged therein drive cylinders (14, 16) on both sides of a boosting cylinder (12) is provided with: a pair of pilot valves (72, 74) that are actuated when pistons (36, 38) of the drive cylinders abut against the moving ends thereof; and a pair of actuation valves (48, 52) that switch the supply state of a pressure fluid to pressure chambers (24a, 26a) of the drive cylinders. When the pilot valves are actuated, the pressure fluid passes through the pilot valves and is supplied to the pair of actuation valves, and the supply state of the pressure fluid is switched.
Inventors:
TAKADA YOSHIYUKI (JP)
MONDEN KENGO (JP)
SOMEYA KAZUTAKA (JP)
MONDEN KENGO (JP)
SOMEYA KAZUTAKA (JP)
Application Number:
PCT/JP2018/018386
Publication Date:
March 07, 2019
Filing Date:
May 11, 2018
Export Citation:
Assignee:
SMC CORP (JP)
International Classes:
F15B3/00
Domestic Patent References:
| WO2014015903A1 | 2014-01-30 |
Foreign References:
| US20140150421A1 | 2014-06-05 | |||
| JP2003054836A | 2003-02-26 | |||
| JPH0821404A | 1996-01-23 | |||
| JPH10267002A | 1998-10-06 | |||
| JPS6043184A | 1985-03-07 | |||
| JPH0821404A | 1996-01-23 |
Other References:
See also references of EP 3677793A4
Attorney, Agent or Firm:
CHIBA Yoshihiro et al. (JP)
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