Featured patents

Arrangement to Ensure an Air Gap in an Electric Machine
US 08791617 B2, July 29, 2014, Nonuniform core cross section, Henrik Stiesdal / Siemens Aktiengesellschaft (Munich, DE)
An arrangement to ensure an air gap in an electrical machine, comprising:…

Permanent Magnet Embedded Rotor for Rotating Electric Machine and Rotating Electric Machine
US 08766503 B2, July 1, 2014, Embedded in a core, Yoshiyuki Nakane et al. / Kabushiki Kaisha Toyota Jidoshokki (Aichi, JP)
A permanent magnet embedded rotor for a rotating electric machine, the rotor…

Multiple Arm Smart Material Actuator With Second Stage
US 08729774 B2, May 20, 2014, With mechanical energy coupling means, Jeffery B. Moler / Viking AT, LLC (Sarasota, US)
An actuator apparatus comprising a smart material device, a compensator,…

Polarity Switching Circuit
US 08736142 B2, May 27, 2014, Input circuit for mechanical output from piezoelectric element, Shih-Chang Chen / Microjet Technology Co., Ltd. (Hsinchu, TW)
A polarity switching circuit for converting a DC high voltage into an output AC…

Systems, Methods, and Apparatus for Shorting Slip Rings of an Induction Motor
US 08674581 B2, March 18, 2014, Slip rings, Nelson Kawasaki et al. / General Electric Company (Schenectady, US)
A system for shorting slip rings of an induction motor, comprising:…

Cooling of Permanent Magnet Electric Machine
US 08604651 B2, Dec. 10, 2013, Cooling or fluid contact, Richard A. Himmelmann / Hamilton Sundstrand Space Systems International, Inc. (Windsor Locks, US)
A cooling system for an ancillary component of an electric machine comprising:…

Linear Vibrating Motor
US 08552598 B2, Oct. 8, 2013, Reciprocating, Yong-Hua Pu / AAC Acoustic Technologies (Shenzhen) Co., Ltd. (Shenzhen, CN
A linear vibrating motor, comprising:…

Generator Motor
US 08569919 B2, Oct. 29, 2013, Bearing or air-gap adjustment or bearing lubrication, Yukihiko Sugimoto et al. / Komatsu Ltd. (Tokyo, JP)
A generator motor comprising:…

Fan Motor Using Epoxy Resin
US 08492939 B2, July 23, 2013, Molded plastic, Takakazu Hasegawa et al. / Minebea Motor Manufacturing Corporation (Tokyo, JP)
A fan motor comprising:…

Brushless DC Motor
US 08476796 B2, July 2, 2013, Condition responsive, Songfa Tang / ZhongShan Broad-Ocean Motor Co., Ltd. (Zhongshan, CN)
A brushless DC motor, comprising:…

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