Valves and valve actuation – Rotary valves – Ball valve
Patent
1974-02-25
1976-03-23
Miller, J. D.
Valves and valve actuation
Rotary valves
Ball valve
251131, 251137, H01H 4732
Patent
active
039462870
ABSTRACT:
By incorporating driver switching circuitry and a suppression network as parts fixed with respect to a valve housing rather than remotely from the valve housing, advantages including transient suppression at the housing are obtained rendering the valve better suited for low power machine control operation. Both AC and DC operated valves with driver switching circuits and suppression networks are disclosed.
REFERENCES:
patent: 2599862 (1952-06-01), Ray
patent: 3243665 (1966-03-01), Fayer et al.
patent: 3365624 (1968-01-01), Komendera
patent: 3378732 (1968-04-01), Dietz et al.
patent: 3638074 (1972-01-01), Inouye
patent: 3709253 (1973-01-01), Spangenberg
"To-5 Relays Offer Considerable Space Saving With High Reliability" Electronic Engineering 2/71 pp. 60-63.
Miller J. D.
Moose Jr. Harry E.
The Globe Tool and Engineering Company
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