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:
Apr. 09, 2013
Filed:
Sep. 03, 2009
Yong Bin LI, Hong Kong, CN;
Wei Feng Yuan, Hong Kong, CN;
Ning Sun, Shenzhen, CN;
Xin Ping Wang, Shenzhen, CN;
Yong Bin Li, Hong Kong, CN;
Wei Feng Yuan, Hong Kong, CN;
Ning Sun, Shenzhen, CN;
Xin Ping Wang, Shenzhen, CN;
Johnson Electric S.A., La Chaux-de-Fonds, CH;
Abstract
A brushless direct current (BLDC) motor has a 3-phase windingand six stator teethwith alternate stator teethbeing wound and the remaining stator teethbeing left unwound. The windinghas three legs, one for each phase and each leg has one coilwound about one of the stator teeth. Each leg has a first end A,B,C, arranged to receive electrical power and a second end X,Y,Z, which is connected to the second end of the other legs to form a star connection. Selected stator teeth have grooves in a face thereof dividing those teeth into a plurality of stator poles. The motor may be used to drive a fuel pump for an internal combustion engine, typically for a vehicle.