Expansible chamber motor

Details Expansible chamber motor Expansible chamber motor

1987-12-07

1989-07-11

Look, Edward K.

Motors: expansible chamber type

Cyclically operable

Working member controlled motive fluid for distributor motor

91308, 91313, 91316, 91461, F01L 2502

Patent

active

048460451

ABSTRACT:
An air-operated expansible chamber motor comprising a cylinder having first and second end heads, a piston reciprocable in the cylinder, a spool valve for controlling the supply to and exhaust of air from opposite ends of the cylinder, a relay valve mounted in one of the end heads for controlling the spool valve, a pilot valve in each end head having a stem engageable by the piston for controlling the relay valve via pressurization and exhaust of a pilot line, and a bleed for feedback of pressure air to the pilot line.

REFERENCES:
patent: 1406330 (1922-02-01), Barner
patent: 3162093 (1964-12-01), Zoller
patent: 3282167 (1966-11-01), McKenzie
patent: 3555966 (1971-01-01), Coniglio
patent: 3635125 (1972-01-01), Rosen et al.
patent: 3800665 (1974-04-01), Von Ruden
patent: 3943823 (1976-03-01), Tammy
patent: 4104008 (1978-08-01), Hoffmann et al.
patent: 4181066 (1980-01-01), Kitchen et al.
patent: 4491055 (1985-01-01), Dollison

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