Motors: expansible chamber type – With motive fluid valve – Plural separately controlled waste passages for single...
Patent
1981-06-10
1984-06-12
Garrett, Robert E.
Motors: expansible chamber type
With motive fluid valve
Plural separately controlled waste passages for single...
13759613, 13762568, F15B 13042
Patent
active
044534531
ABSTRACT:
A hydraulic control device for a hydraulic working cylinders, comprising a lide control valve, in which the flow of working pressure medium is controllable by a piston slide displaceable within a housing bore auxiliary control passage connected to the housing of the slide control valve in which a bore leads to the housing bore, the bore discharging into a longitudinal section of the housing bore which is swept by ends of the piston slide. The discharge of the bore is connectable to a selected control position by the control edge and is connectable with the housing bore, which is connected in this section with a pressure medium reservoir or a return flow passage.
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Garrett Robert E.
Heilmeier & Weinlein Fabrik Fuer Oel-Hydraulik GmbH & Co. KG.
Klein Richard L.
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