Pumps – Motor driven – Fluid motor
Patent
1990-10-29
1994-08-23
Bertsch, Richard A.
Pumps
Motor driven
Fluid motor
F04B 1700
Patent
active
053402863
ABSTRACT:
A combination turbine and air compressor apparatus comprises a housing having first and second air inlet and first and second compressed air outlets, an operating gas inlet, and an operating gas outlet. Ends of a turbine-air compressor shaft are rotatably mounted in bearings mounted in the housing. A turbine wheel is fixed to central regions of the shaft intermediate the operating gas inlet and outlet. First and second symmetrical air compressors are fixed to the shaft on opposite sides of the turbine wheel with the compressors in air flow communication with corresponding ones of the air inlets and pressurized air outlets. Walls internal to the housing divide a flow of operating gas, such as exhaust gases from an internal combustion engine, entering the gas inlet into first and second gas sub-flows and direct the first gas sub-flow to one peripheral region of the turbine wheel, and the second gas sub-flow to the opposite peripheral region of the turbine wheel, the two sub-flows impinging the turbine wheel in a manner balancing the loads on the turbine wheel and shaft bearings and in directions causing the turbine wheel to rotate in the rotational direction which causes air flowing into the two housing air inlets to be compressed by the two compressors and to be delivered thereby to the two pressurized air outlets.
REFERENCES:
patent: 1197755 (1916-09-01), Moller
patent: 3199772 (1965-08-01), Leutzinger
Bertsch Richard A.
Thorpe Timothy S.
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