Mechanical pumps

Details Mechanical pumps Mechanical pumps

1982-11-22

1985-03-12

Freeh, William L.

Rotary expansible chamber devices

Diverse rotary expansible chamber devices

418 9, 417252, F01C 130

Patent

active

045042012

ABSTRACT:
A mechanical pump includes a pumping chamber through which extends a pair of parallel shafts 3. Each shaft 3 carries in tandem rotors 4, 5 and 6 at least two of which are the intermeshing "claw" type. The rotors are arranged in complementary pairs and each pair occupies a separate location in the pumping chamber. Each "claw" type rotor 6 of a complementary pair in one location is mounted on its shaft 3 in reverse orientation to the "claw" type rotors 5 of the complementary pairs in the adjacent location.

REFERENCES:
patent: 3084851 (1963-04-01), Schibbye et al.
patent: 3272130 (1966-09-01), Mosbacher
patent: 4059368 (1977-11-01), McGahan
patent: 4224016 (1980-09-01), Brown
patent: 4324538 (1982-04-01), Brown

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