Rotary kinetic fluid motors or pumps – Smooth runner surface for working fluid frictional contact
Patent
1980-02-19
1982-08-31
Smith, Leonard E.
Rotary kinetic fluid motors or pumps
Smooth runner surface for working fluid frictional contact
415121B, 415201, 417900, F01D 136, B65G 5332
Patent
active
043470335
ABSTRACT:
A method of transferring flowable concrete containing aggregate to a desired location at substantially constant rate without sharp variations in pressure and a power driven pump that may be used to carry out the method. The pump requires no valves, is highly abrasive resistant, has a high constant flow rate discharge due to not operating intermittently, and subjects the conduit or hose through which the concrete discharges to a minimum of strain as the concrete flows at a substantially constant rate therethrough with no sharp variations in pressure, and with minimum frictional resistance.
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D. G. Shepherd, Principles of Turbomachinery, The MacMillian Company, 1969, pp. 155, 156.
Babcock William C.
Smith Leonard E.
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