Variable displacement vane type pump

Details Variable displacement vane type pump Variable displacement vane type pump

1983-03-17

1984-10-16

Look, Edward K.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

418 16, 418 26, 418 27, 418177, F04B 106

Patent

active

044772319

ABSTRACT:
A variable displacement vane type hydraulic pump of simple construction automatically varies its output flow rate, between a maximum value and zero, in response to changes in the output pressure. The pump is characterized by a laterally shifting flow modulating member located in a central recess of a vane carrying rotor and whose lateral position is dictated by the pressure existing at the outlet port. The pump can run continuously at a no-flow condition without overheating or stalling and its rotor direction may be reversed by merely reversing the functions of its two ports.

REFERENCES:
patent: 2680412 (1956-06-01), Entwistle
patent: 3153909 (1964-10-01), Balaban

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