Electro-hydraulic control device for variable displacement pump used for conveying lubricating oil to internal combustion engine, has switching valve against which the pressures in two specific lines are made to act by spring action

The device includes a return spring (5) and lines (11,13). The pressure in line (11) is set by a control valve (1) having active surface (17) to which force acting against spring (15) is applied. The pressures in the lines (13,14) are made to act against switching valve (2) by the spring action, and...

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Bibliographische Detailangaben

1. Verfasser:	SCHULZ, RENE
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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