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:
Aug. 14, 2012
Filed:
Sep. 18, 2009
Rui Feng Qin, Hong Kong, CN;
Yi Jing, Shenzhen, CN;
Xin Hui Guan, Shenzhen, CN;
Gianpaolo Arucci, Asti, IT;
Rui Feng Qin, Hong Kong, CN;
Yi Jing, Shenzhen, CN;
Xin Hui Guan, Shenzhen, CN;
Gianpaolo Arucci, Asti, IT;
Johnson Electric S.A., La Chaux-de-Fonds, CH;
Abstract
An engine cooling system, comprising a fan unit, cooling pipes and a coolant tank, the coolant tank, the cooling pipes and cooling channels of the engine being connected together and forming a cooling cycle, the fan unit being used to cool the cooling pipes and the coolant therein; wherein the fan unit comprises a motor and fan blades driven by the motor, the motor comprising a stator and a rotor rotatable mounted confronting the stator; the rotor comprising a shaft, a commutator fitted to the shaft, a rotor core fitted to the shaft adjacent to the commutator, windings wound about teeth of the rotor core and electrically connected to segments of the commutator; the windings being wound by aluminum cored wire that has a electrical insulation film around its peripheral surface.