Pneumatic actuator

Details Pneumatic actuator Pneumatic actuator

1988-07-07

1989-12-26

Look, Edward K.

Motors: expansible chamber type

Fluid supply through diverse paths to single expansible chamber

91454, 91459, 180177, F01B 2502

Patent

active

048890332

ABSTRACT:
In a pneumatic actuator wherein air pressure in a diaphragm compartment (38) is changed by controlling solenoid valves (39, 39 and 41) thereby to output a displacement; an intake solenoid valve (39) has a spring (30h) which penetrates a center part of a fixed iron core (39e) and urges a movable iron core (39f), and the solenoid valves (39, 39 and 41) are mounted on a housing (31) in a triangular disposition with terminal side thereof faced to the housing (31), and besides, one of terminals of each solenoid valve (39 or 41) is secured with each other at a center part of the triangular disposition, and the other terminals are disposed outward of the triangular disposition.

REFERENCES:
patent: 4249457 (1981-02-01), Sakakibara
patent: 4352403 (1982-10-01), Burney
patent: 4709595 (1987-12-01), Hayama
patent: 4747460 (1988-05-01), Tomoshige et al.
patent: 4756233 (1988-07-01), Takahashi et al.
patent: 4756234 (1988-07-01), Anderson

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