PISTON HYDRAULIC MACHINE WITH ADJUSTABLE DISPLACEMENT AS TO WORKING PRESSURE Russian patent published in 2006 - IPC F04B1/26 

Abstract RU 2271468 C1

FIELD: mechanical engineering; hydraulic machines.

SUBSTANCE: proposed hydraulic machine with adjustable displacement has housing, high-and low-pressure lines, displacement adjustable member mechanically coupled with differential piston by means of pin installed in differential piston. Differential piston is installed in housing to form piston and rod spaces. Hydraulic machine contains double-arm lever installed on rocking axle, spring-loaded spool fitted in pin and resting on one arm of lever. Other arm is spring-loaded. Machine is furnished also with control chamber acting onto lever opposite to spool spring. Plunger chamber is connected with high-pressure line of hydraulic machine.

EFFECT: simplified design, provision of automatic operation of hydraulic machine.

1 dwg

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RU 2 271 468 C1

Authors

Karavaev Viktor Afrikanovich

Kovjazin Leonid Fedorovich

Kalabin Sergej Grigor'Evich

Pavlov Anatolij Ivanovich

Dates

2006-03-10Published

2004-10-25Filed