Spiral displacement machine with concave circular arcs sealingly

Details Spiral displacement machine with concave circular arcs sealingly Spiral displacement machine with concave circular arcs sealingly

1988-03-15

1989-08-29

Vrablik, John J.

Rotary expansible chamber devices

With plural working fluid inlet or outlet passages

418 55, 418 60, F04C 1804, F04C 2700

Patent

active

048612448

ABSTRACT:
In a displacement machine for compressible media on the spiral principle, the rotor disk (2) terminates radially flush with the displacement strips (3, 3'). So that the disk (2) can pass through the housing, in the inlet region (12, 12') of the machine the inner web (18, 18') of one housing half (7) is lowered by the amount of the disk thickness. To prevent leaks during the operation of the machine, the transition (19, 19') between the raised web (17, 17') and the lowered web (18, 18') is made circular. The rounding cooperates with a clearance (20, 20') in the form of an arc of a circle in the disk (2). Machines of this type are especially suitable for the supercharging of internal-combustion engines.

REFERENCES:
patent: 4477238 (1984-10-01), Terauchi

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