Rotary expansible chamber devices – Axially moving vane or abutment – Sliding
Patent
1988-09-21
1990-12-04
Smith, Leonard E.
Rotary expansible chamber devices
Axially moving vane or abutment
Sliding
17 37, F04C 200, A22C 1108
Patent
active
049750330
ABSTRACT:
The pump has a pumping chamber defined by a stator and by a rotor with a driving shaft. A hopper with a feeder unit is positioned above the pumping chamber and is connected with it. The feeder unit receives its motion from the upper end of the driving shaft through means for the transmission of motion positioned above the pump.
REFERENCES:
patent: 4370779 (1983-02-01), Meier
patent: 4451954 (1984-06-01), Muller
Righele Giovanni B.
Scorzato Giuseppe
Savio, III John A.
Smith Leonard E.
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