Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent
1986-04-22
1987-12-29
Vrablik, John J.
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
418 59, 418 60, 418101, F04C 1804, F04C 2300, F04C 2904
Patent
active
047157976
ABSTRACT:
In a rotary-piston displacement machine, as is suitable, for example, for supercharging internal combustion engines, having at least two spiral-like delivery chambers in a stationary housing and spiral-like displacers engaging therein which execute a circulating, torsion-free movement with respect to the delivery chambers, the displacers are arranged on an eccentrically driven, disk-shaped rotor. The rotor is driven via a shaft centrally arranged in the inside of the housing. The two spirals run centro-symmetrically to one another in such a way that their suction-side ends are arranged around the drive bearings and at the same time cool the latter with fresh air. The air is delivered outwards from the inside of the housing, as a result of which heat dissipation of the outer housing parts during compression is provided for, which housing parts are provided with cooling ribs.
REFERENCES:
patent: 1041721 (1912-10-01), Ball
patent: 1209204 (1916-12-01), Richards
patent: 4192152 (1980-03-01), Armstrong et al.
patent: 4424010 (1984-01-01), McCullough
patent: 4526521 (1985-07-01), Sudbeck et al.
BBC Brown Boveri & Company Ltd.
Vrablik John J.
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