Title:
ACTUATOR AND VALVE
Document Type and Number:
Japanese Patent JP2022099974
Kind Code:
A
Abstract:
To provide an actuator which has a pressure chamber with a small volume and enables reduction of consumption of a fluid for driving a piston, and to provide a valve.SOLUTION: An actuator 10 includes: a casing part (a casing 10 and an upper engine hood clamp 3C) provided with a first pipe 10E and a second pipe 10F for causing a fluid to flow thereinto and discharging the fluid; a piston 12 which is provided in the casing part to form a first pressure chamber P1 and a second pressure chamber P2 with the casing part and driven by a fluid being supplied to the first pressure chamber P1 through the first pipe 10E or the second pressure chamber P2 through the second pipe 10F; a first spacer 14 provided at the first pressure chamber P1; and a second spacer 15 provided at the second pressure chamber P2.SELECTED DRAWING: Figure 2
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Inventors:
AKAMOTO HISATOSHI
NAKADA TOMOHIRO
NAKADA TOMOHIRO
Application Number:
JP2020214076A
Publication Date:
July 05, 2022
Filing Date:
December 23, 2020
Export Citation:
Assignee:
FUJIKIN KK
International Classes:
F16K31/122
Attorney, Agent or Firm:
Yuji Yamashita