Electrothermally operated actuator and seal

Details Electrothermally operated actuator and seal Electrothermally operated actuator and seal

1990-09-17

1991-08-20

Ostrager, Allen M.

Power plants

Motive fluid energized by externally applied heat

Having apparatus cleaning, sealing, lubricating, purging,...

60531, 60670, 277 3, 277 59, 277102, F01K 2100

Patent

active

050403680

ABSTRACT:
An improved actuator of the type in which a piston is translatable in a piston housing in response to an expandable working fluid in fluid communication with one end of the piston. An improved sealing assembly prevents leakage of working fluid from the piston housing.

REFERENCES:
patent: 3474734 (1969-10-01), Stogner
patent: 3884041 (1975-05-01), Zerlauth
patent: 4005580 (1977-02-01), Swearingen
patent: 4235413 (1980-11-01), Baker
patent: 4352499 (1982-10-01), Foster
patent: 4515512 (1985-05-01), Hertell et al.
patent: 4613140 (1986-09-01), Knox

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