Rotary blade pump having blades with wear resistant end surfaces

Details Rotary blade pump having blades with wear resistant end surfaces Rotary blade pump having blades with wear resistant end surfaces

1984-02-02

1985-05-21

Vrablik, John J.

Rotary expansible chamber devices

Non-metallic working member, cylinder or partition

418178, F04C 200, F04C 1500

Patent

active

045183333

ABSTRACT:
A blade for a pump means of the type comprising a rotor rotatably supported within a housing with its center line being eccentrically disposed with respect thereto and a number of blades each shiftably received in respective radial slots formed in the rotor is disclosed. The base body of the blade is constituted from a solid lubricating material such as graphite and only its axial end surfaces are covered by layers of a synthetic resin which has excellent wear resistance, excellent heat resistance, and a low coefficient of friction.

REFERENCES:
patent: 3187679 (1965-06-01), Scognamills
patent: 3187699 (1965-06-01), Bryant et al.
patent: 3281064 (1966-10-01), Springer
patent: 3485179 (1969-12-01), Dawes
patent: 3552895 (1971-01-01), Bayley
patent: 4209286 (1980-06-01), Schwartz

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