US Patent 7412831 Integral cooling system for rotary engine

Patent 7412831 was granted and assigned to Pratt & Whitney Canada on August, 2008 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Pratt & Whitney Canada

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

74128310

Patent Inventor Names

Richard Ullyott0

Date of Patent

August 19, 2008

Patent Application Number

112086470

Date Filed

August 23, 2005

Patent Primary Examiner

‌

Thai-Ba Trieu

Patent abstract

A rotary combustion engine (12) with a self-cooling system comprises a heat exchanging interface for discharging excess heat from the rotary combustion engine (12), and a direct drive fan (44) integrated on the rotary engine output shaft (26) for providing a flow of forced air over the heat exchanging interface.