Roller pump with radial members

Details Roller pump with radial members Roller pump with radial members

1977-01-03

1981-08-18

Smith, Leonard E.

Rotary expansible chamber devices

Vane or abutment comprises rotatable element

418259, F04C 200

Patent

active

042843928

ABSTRACT:
A roller pump comprising a generally cylindrical housing and a generally cylindrical rotor disposed eccentrically within the housing, and having push rods arranged radially within the rotor for assisting in forcing radial motion of the rollers within the rotor during rotation of the rotor within the housing. A camming shaft is disposed within the housing, and arranged generally with the housing, the push rods making contact with the periphery of the camming shaft in order to provide radial motion of the push rods during rotation of the rotor. The cross-sectional dimension of the push rods is preferably equal to at least 331/3 percent of the axial length of the rollers, and secondarily preferably having a diameter generally equal to the roller diameter. The cross-sectional dimension of the push rods at the line of contact with the roller surface enables the pump to effectively handle highly viscous products.

REFERENCES:
patent: 771593 (1904-10-01), Welsh
patent: 1580162 (1926-04-01), Peterson
patent: 1666466 (1928-04-01), Peters
patent: 2708884 (1955-05-01), Deschamps
patent: 3316852 (1967-05-01), Sadler
patent: 3542498 (1970-11-01), Sadler
patent: 3785758 (1974-01-01), Adams et al.

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