Rotary pump with cutting means

Details Rotary pump with cutting means Rotary pump with cutting means

1989-01-26

1991-01-15

Smith, Leonard E.

Rotary expansible chamber devices

Combined

F04C 1300

Patent

active

049849751

ABSTRACT:
A rotary pump of the type having a pair of double-lobed intermeshing rotors rotatably mounted in a housing is provided with a concave recess in the leading edge of each lobe of each rotor which defines a cutting edge with the end surface of each lobe for comminuting solid or stringy material entrained in the liquid being pumped.

REFERENCES:
patent: 1053677 (1912-03-01), Sutton
patent: 1769153 (1928-03-01), Meyer
patent: 2460278 (1944-02-01), Cook

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