Variable Compressor Oil Return

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20080134701A1
SERIAL NO

11609656

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Abstract

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A method includes operating a variable-speed compressor in a refrigeration system carrying a refrigerant-oil mixture at a varying compressor speed to provide cooling capacity in proportion to cooling demand on the refrigeration system, determining that increased oil return to the compressor compared to a current oil-return rate is desired, and increasing the speed of the compressor to be disproportionately high relative to the cooling demand to provide increased oil return to the compressor.

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Patent Owner(s)

Patent OwnerAddress
AMERICAN POWER CONVERSION CORPORATION132 FAIRGROUNDS ROAD WEST KINGSTON RI 02892

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Carlsen, Peter R Aalborg, DK 1 10
Christensen, Ole Moelgaard Haderslev, DK 1 10
Hylseback, Bo Egtved, DK 1 10

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