VARIABLE-CAPACITY LOBE-ROTARY HYDRAULIC PUMP Russian patent published in 1998 - IPC

Abstract RU 2118711 C1

FIELD: power engineering; transport engineering; mechanical transmissions. SUBSTANCE: intermediate member 16 arranged between housing 1 and rotor 6 is displaced in radial direction, thus changing eccentricity and capacity of hydraulic pump. Axle 9 with fitted on lobes 18 is arranged in hollow rotor for free movement in radial direction. Lobes 18 can displace radially and execute angular oscillations relative to rotor under action of inserts 19 arranged in rotor. EFFECT: reduced friction of vanes against surface of intermediate member, improved sealing of vanes, prevention of vane wedging in rotor slots. 3 cl, 4 dwg

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RU 2 118 711 C1

Authors

Savin Georgij Alekseevich

Savin Aleksej Georgievich

Dates

1998-09-10Published

1997-03-18Filed