Scroll expander driven compressor assembly

Details Scroll expander driven compressor assembly Scroll expander driven compressor assembly

1992-04-01

1993-09-28

Bertsch, Richard A.

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

418 553, 418 60, 418151, 417407, F02B 3344

Patent

active

052477959

ABSTRACT:
An expander driven compressor assembly is disclosed comprising a scroll-type expander having at least one pair of meshed axially extending involute spiral wraps wherein one of the wraps orbits relative to the other wrap and a scroll-type compressor having at least one pair of relatively orbiting meshed axially extending involute spiral wraps. The orbital wrap of the expander is drivingly connected to the orbital wrap of the compressor through a common synchronizer and counterweight assembly. Auxiliary drive power developed by the expander and not required to drive the compressor is used to drive a power take-off shaft. In addition, expansion struts are proved to compensate for thermal expansion or contraction of the relatively orbiting scroll wraps. By this arrangement, a compact and efficient expander driven compressor assembly is achieved.

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patent: 4731000 (1988-03-01), Haag
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