The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 30, 2010
Filed:
Sep. 27, 2006
Dwayne Robert Taylor, Livonia, MI (US);
Dwayne Robert Taylor, Livonia, MI (US);
DENSO International America, Inc., Southfield, MI (US);
Abstract
A combined viscous heater and viscous coupling fan drive operates on principles of viscous coupling to provide both, supplemental vehicle interior cabin heating, and rotation to a cooling fan mounted to a fan shaft. A viscous drive chamber and case surround a drive plate and a viscously driven plate. A liquid coolant chamber and case surrounds the viscous drive case that houses the plates for viscous coupling. Liquid coolant passes through the liquid coolant chamber as coolant circulates through the engine block. The coolant chamber has a coolant inlet and outlet. An electromagnetic clutch engages to turn a shaft and the driving plate which viscously couples to and turns the driven plate, which is connected to a shaft and engine cooling fan. The electromagnetic clutch and a fan brake are controlled to govern viscous heat generation by the plates and cooling fan operation.