Hydraulic control valves

Fluid handling – Systems – Multi-way valve unit

Patent

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Details

91536, 13759618, 1376256, F15B 1306

Patent

active

045109737

ABSTRACT:
The hydraulic control valve as described includes two precontrol valves, each of them capable of operating the valve slide element in a primary control fashion while the respective other of the precontrol valve performs auxiliary functions so that in total two sets of outputs can be controlled whereby in each case the secondary control function can be carried out persistently or intermittently for the duration of persistence of the primary control function.

REFERENCES:
patent: 4368750 (1983-01-01), Burton
Sperry Vickers Article of Jan. 1979.

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