G - Physics – 05 – D
Patent
G - Physics
05
D
137/75
G05D 16/04 (2006.01) F15B 11/16 (2006.01)
Patent
CA 1244742
Abstract A pressure supply device for a hydraulic system comprises a pump (1) of which the pressure (P) can be influenced by diverting pressure fluid over a path (8) leading from the pump conduit (3) to the container (2). The path contains two valves (6, 7) in series, of which the first is controlled in the manner of a known diverting valve and the second is set to a constant pressure drop. A control pressure conduit (10) branches between the two valves. In this way, losses are avoided which would otherwise occur when producing the control pressure. Fig. 1
481489
Danfoss A/s
Macrae & Co.
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