Combined supercharger and supercharger coolant pump for an inter

Details Combined supercharger and supercharger coolant pump for an inter Combined supercharger and supercharger coolant pump for an inter

1989-02-15

1990-09-11

Koczo, Michael

Internal-combustion engines

Charge forming device

Supercharger

418 3, 418 88, F02B 3338, F04C 2904

Patent

active

049553526

ABSTRACT:
A combined compressor and pump has two parallel shafts journalled in a housing having a compressible fluid inlet and a compressible fluid outlet. Rotors are mounted on each of the shafts for forming a roots type compressor and compressing fluid from the compressible fluid inlet. One shaft of the compressor, which forms a supercharger for an engine, is driven by the engine, and the other shaft is driven in synchronization therewith by a pair of meshing gears mounted on the shafts, the meshing gears being constructed so as to form a gear pump. A coolant circulates within a coolant jacket in the housing and is circulated by the gear pump. The heated coolant may be circulated through a closed loop including a heat exchanger and a bypass passage for bypassing the heat exchanger during low temperature operating conditions.

REFERENCES:
patent: 1287268 (1918-12-01), Edwards
patent: 1344331 (1920-06-01), Carrey
patent: 1669050 (1928-05-01), Grant
patent: 1743583 (1930-01-01), Wiltse
patent: 4180032 (1979-12-01), Plegat

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