Magnetically actuated valve for cyclically operating piston-cyli

Details Magnetically actuated valve for cyclically operating piston-cyli Magnetically actuated valve for cyclically operating piston-cyli

1985-07-16

1989-12-26

Garrett, Robert E.

Motors: expansible chamber type

Cyclically operable

Electrically or magnetically actuated or adjusted distributor

91341R, 91DIG4, F01L 2508

Patent

active

048890359

ABSTRACT:
A fluid pressure oscillator is provided with a cylinder containing a piston assembly. Fluid actuated reciprocation of the piston assembly is controlled by a valve mounted externally of the cylinder. The valve is alternately shifted between "advance" and "retract" settings by a reciprocating actuating rod removably received in the cylinder. A magnet on the piston assembly cooperates with magnetic elements on the actuating rod to automatically reciprocate the latter.

REFERENCES:
patent: 1032689 (1912-07-01), Martens
patent: 1264168 (1918-04-01), Elvin et al.
patent: 2597443 (1952-05-01), Broughton
patent: 2603191 (1952-07-01), Sterrett
patent: 2930360 (1960-03-01), Yando
patent: 2960971 (1960-11-01), Tear
patent: 3700360 (1972-10-01), Shaddock
patent: 4325285 (1982-04-01), Roser
patent: 4509402 (1985-04-01), Salmonson

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