Semi-rotary hydraulic pump

Details Semi-rotary hydraulic pump Semi-rotary hydraulic pump

1980-07-21

1983-02-01

Freeh, William L.

Pumps

Expansible chamber type

Moving cylinder

417482, F04B 1900, F04B 2900

Patent

active

043713203

ABSTRACT:
A semi-rotary pump having a spherical pump body (4) mounted for rotation within a supporting housing (1) about an axis (X--X).
A sector (5), having two diametrically opposed segment portions (6,7), is mounted for oscillation within the pump body about an oscillation axis (Z--Z) perpendicular to said axis (X--X).
The pumping action and the auto-distribution are caused by simultaneous oscillations of the sector and pump body by means of a continuously rotating drive shaft (31).

REFERENCES:
patent: 3747578 (1973-07-01), Pickens
patent: 3973469 (1976-08-01), Humen

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