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Tm4 Inc patents


Recent patent applications related to Tm4 Inc. Tm4 Inc is listed as an Agent/Assignee. Note: Tm4 Inc may have other listings under different names/spellings. We're not affiliated with Tm4 Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "T" | Tm4 Inc-related inventors


External rotor electric machine with smc blocks interposed between permanent magnets

External rotor electric machine with SMC blocks interposed between permanent magnets. The machine has an internal stator and an external cylindrical rotor. Permanent magnets and SMC blocks are mounted on the inner surface of the rotor.... Tm4 Inc

Multiple phase electric machine, drive and control

A multiple-phase electric machine provided with multiple inverter power circuits is described herein. The present multiple-phase electric machine aim at performing configuration changes while reducing the loss of torque when machines are switched between configurations. This is done by forming groups of phases defining machine portions that are powered by... Tm4 Inc

Power converter provided with dual function bus bars

A power converter includes bus bars that have a dual function of cooling the electronic switches and of conducting power to or from the electronic switches. Indeed, the electronic switches, that are packaged in a TO-220 or similar package, have the large tab of the package directly soldered or otherwise... Tm4 Inc

Turn-off overvoltage limiting for igbt

A turn-off overvoltage limiting for IGBT is described herein. The injection of a sample of the overvoltage across the IGBT in the gate drive to slow down the slope of the gate voltage decrease only during the overvoltage above a predetermined value is described herein. Techniques to increase the parasitic... Tm4 Inc

Inserted permanent magnet rotor for an external rotor electric machine

The external rotor for an electric machine includes a cylindrically shaped receptacle having a peripheral wall and a magnet-receiving assembly including segments assembled to the inner surface of the peripheral wall so as to define a cylindrically shaped stack. The segments are shaped so as to yield magnet- receiving portions... Tm4 Inc

Liquid cooled external rotor electric machine

An embodiment of a liquid cooled external rotor electric machine includes a stator, a generally cylindrical liquid cooling assembly secured to the stator therein, a rotor including a generally cylindrical shaped support having permanent magnets secured to its inner surface, an output shaft coaxially mounted to the rotor therein and... Tm4 Inc








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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Tm4 Inc in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Tm4 Inc with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

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