Hollow rotor for movable vane pumps and the like and method of m

Rotary expansible chamber devices – Positively actuated vane

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291568R, F04C 200, F04C 1800

Patent

active

046016473

ABSTRACT:
A hollow rotor for movable vane pumps and the like having a pair of right and left cup-shaped bodies each being separately shaped from steel or aluminum alloy in the form similar to either of axially bisected parts of a complete rotor. The right and left cup-shaped bodies have the respective open side faces abutted and joined to each other by butt resistance welding to be incorporated into the complete hollow rotor.

REFERENCES:
patent: 1984365 (1934-12-01), English
patent: 2326194 (1950-10-01), Brauchler
patent: 2705459 (1955-04-01), Dunning
patent: 2753428 (1956-07-01), Graham
patent: 3059585 (1962-10-01), Froede
patent: 3191503 (1965-06-01), Fuehrer
patent: 4253809 (1981-03-01), Ishizuka

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