Featured patents

Fuel Cell System and Motor Driving Method
US 08853989 B2, Oct. 7, 2014, Including inverter, Kenji Umayahara / Toyota Jidosha Kabushiki Kaisha (Toyota-Shi, JP)
A fuel cell system comprising:…

Rotary Position Encoding Method and Unit
US 08853983 B2, Oct. 7, 2014, Rotating sensor component separate from motor structure, Jan Doornenbal / Aktiebolaget SKF (Gothenburg, SE)
A fractional absolute rotary position encoder, the fractional absolute rotary…

Methods and Systems for Automatic Rotation Direction Determination of Electronically Commutated Motor
US 08847526 B2, Sept. 30, 2014, Brushless motor closed-loop control, Roger C. Becerra et al. / Regal Beloit America, Inc. (Beloit, US)
A motor controller configured to control an electric motor, said electric motor…

Trigger Switch Circuit and Electric Instrument
US 08860339 B2, Oct. 14, 2014, Running-speed control, Akihiro Hozumi / Omron Corporation (Kyoto, JP)
A trigger switch circuit in an electric instrument, comprising:…

Motor Position Controller
US 08736213 B2, May 27, 2014, Speed or rate-of-movement, Tadashi Okubo / Kabushiki Kaisha Yaskawa Denki (Kitakyushu-Shi, JP)
A motor position controller that inputs command pulse signals that include…

Substrate Processing Apparatus With Motors Integral to Chamber Walls
US 08680803 B2, March 25, 2014, Including end effector, Christopher Hofmeister et al. / Brooks Automation, Inc. (Chelmsford, US)
A substrate processing apparatus comprising:…

Electrical Drive With Switchable Coil Sections
US 08493017 B2, July 23, 2013, Series-parallel, Lothar Dietl / C. & E. Fein GmbH DE
An electrical drive, comprising:…

Motor Driving Circuit
US 08466644 B2, June 18, 2013, Comparator circuit or method, Tatsuro Shimizu et al. / Rohm Co., Ltd. JP
A motor driving circuit configured to receive a Hall signal, which comprises…

Control of a Linear Motor
US 08456112 B2, June 4, 2013, Linear-Movement Motors, Christopher Roger Lines et al. / Texchange Limited (London, GB)
A linear motor which includes:…

Brushless Synchronous Machine Utilizing Third Harmonic Excitation
US 08450963 B2, May 28, 2013, Synchronous Motor Systems, Thomas A. Lipo / Wisconsin Alumni Research Foundation (Madison, US)
A motor comprising:…

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