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US Patent 7631496 Hydraulic unit with integral oil cooler

Patent 7631496 was granted and assigned to PARKER-HANNIFIN CORPORATION on December, 2009 by the United States Patent and Trademark Office.

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Current Assignee
PARKER-HANNIFIN CORPORATION
PARKER-HANNIFIN CORPORATION
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7631496
Date of Patent
December 15, 2009
Patent Application Number
11536358
Date Filed
September 28, 2006
Patent Primary Examiner
‌
Thomas E Lazo
Patent abstract

A hydraulic unit including an integrated fluid cooler. The fluid cooler includes a flow-through type heat exchanger. The hydraulic unit can include a pump, a motor, or both a pump and a motor. The fluid cooler can be carried by a housing of the hydraulic unit and a fan for moving air through the fluid cooler and circulating air over at least a portion of the housing of the hydraulic unit can be interposed between the fluid cooler and the housing. The fluid cooler can also be configured to function as a fan shroud. Fluid from the hydraulic unit as well as fluid from other sources can be circulated through the fluid cooler.

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