Refrigerant compressor with wear sleeve and lubricant blends for handling debris-laden fluids

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12044449
APP PUB NO 20230384002A1
SERIAL NO

17804786

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A compressor including a housing, a shaft configured to be rotated relative to the housing to compress a refrigerant, a motor configured to drive the shaft, a lubrication system configured to supply lubricant to the compressor, and a bearing configured to support the shaft. The shaft includes a wear-resistant sleeve-like treatment on at least a portion of an outer surface of the shaft adjacent the bearing. The lubricant is a lubricant blend composition that includes two or more lubricants, the two or more lubricants including a first lubricant and a second lubricant. The first lubricant is present at a higher volume percentage than the second lubricant, and the first lubricant includes a higher viscosity than the second lubricant.

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Patent Owner(s)

Patent OwnerAddress
TRANE INTERNATIONAL INC800-E BEATY STREET DAVIDSON NC 28036

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abbott, Russell T Caledonia, US 6 13
Akram, Mohammad Rosemount, US 4 3
Everson, Curtis E La Crosse, US 2 1
Leehey, Morgan Elizabeth Herried La Crosse, US 3 3
Siegersma, Michael T West Salem, US 2 1
Smith, Todd W Onalaska, US 15 58
Sorenson, Elyse M Stoddard, US 4 3
Strange, Daniel A La Crosse, US 6 11

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