Vane-type rotary pump having two-piece side housings

Details Vane-type rotary pump having two-piece side housings Vane-type rotary pump having two-piece side housings

1984-07-09

1985-10-08

Freeh, William L.

Rotary expansible chamber devices

Moving cylinder

Rotating

418179, F04C 1800, F04C 2900

Patent

active

045457492

ABSTRACT:
A vane-type rotary pump constructed such that a rotor, into and out of which a vane can freely move, is rotatably installed in the central housing. The rotor is rotatably supported through a bearing by side housings flanking the central housing on both sides, the side housings being composed of shaft housing parts to hold the bearing and of side plate parts on the rotor side. The shaft housing parts are fabricated of either an iron base material or a composite material of whisker fibers. The side plate parts are fabricated of either a light metal or a light alloy and the shaft housing parts and side plate parts are joined together integrally. The rotary pump of such a structure is characterized by reduced weight and improved durability.

REFERENCES:
patent: 2427606 (1947-09-01), Johnson
patent: 3552895 (1971-01-01), Bayley
patent: 3745854 (1973-07-01), Haag et al.
patent: 3934321 (1976-01-01), Iida et al.
patent: 4464101 (1984-08-01), Shibuya

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