Fluid pump

Details Fluid pump Fluid pump

1985-02-08

1987-02-24

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural rigidly related blade sets

366 98, 366 99, F04D 300, B29B 724

Patent

active

046454187

ABSTRACT:
Apparatus for pumping/pressurizing fluid materials such as viscous liquid polymers in which a shaft is provided with one or more blades which extend into and rotate in one or more annular channels. Inlet grooves conduct the liquid material through grooves in the shaft into the channel behind each blade. The walls of the channel apply a drag force to the material and the advancing blade pressurizes the material which is forced through axial grooves in the shaft to another pumping channel, or to an outlet. Close running fits or dynamic seals between the shaft and its bearings provide seals at opposite sides of each channel.

REFERENCES:
patent: 3153688 (1964-10-01), Marshall
patent: 3941355 (1976-03-01), Simpson
patent: 3947172 (1976-03-01), Myers
patent: 4021024 (1977-05-01), Stasi
patent: 4136969 (1979-01-01), Meyer
patent: 4213709 (1980-07-01), Valsamis
patent: 4227816 (1980-10-01), Hold et al.
patent: 4255059 (1981-03-01), Hold et al.
patent: 4336213 (1982-06-01), Fox
patent: 4421412 (1983-12-01), Hold et al.

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