Method for manufacturing a rotor for a rotary fluid pump

Details Method for manufacturing a rotor for a rotary fluid pump Method for manufacturing a rotor for a rotary fluid pump

1985-01-16

1986-02-18

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291564R, 29419R, 29419G, 295275, 295276, 29530, 29DIG5, 29DIG18, 164 97, 418152, 418179, 418236, B23P 1500, B22D 1914, F01C 2100, F04C 1500

Patent

active

045703167

ABSTRACT:
A rotor for a rotary compressor having a metal central portion integral with two opposite end portions that are fiber-reinforced metal matrix composites having a matrix metal common to the central portion. Such rotors may be made by pressing inorganic fibers to form the end portions of the rotor, arranging the end portions in an opposing relationship in a mold to form the central portion between the end portions. Molten metal is placed into the mold such that it infiltrates the porous end portions while forming the central portion. Solidification of the metal forms fiber-reinforced metal-matrix composite end portions integral with the central portion.

REFERENCES:
patent: 2455303 (1948-11-01), Grate
patent: 3282222 (1966-11-01), Raufeisen et al.
patent: 4198195 (1980-04-01), Sakamaki et al.
patent: 4216682 (1980-08-01), Ban et al.
patent: 4318438 (1982-03-01), Ban et al.
patent: 4506721 (1985-03-01), Ban et al.

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