Siwei Cheng

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Atlanta, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Alternator speed estimation using spectrum analysis
- Patent number 8,903,668
- Issue date Dec 2, 2014
- GM Global Technology Operations LLC
- Yilu Zhang
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method and apparatus for thermally monitoring a permanent magnet el...
- Patent number 8,866,428
- Issue date Oct 21, 2014
- GM Global Technology Operations LLC
- Lei Hao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for alternator stator turn-to-turn short detec...
- Patent number 8,471,589
- Issue date Jun 25, 2013
- GM Global Technology Operations LLC
- Yilu Zhang
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR ALTERNATOR STATOR TURN-TO-TURN SHORT DETEC...
- Publication number 20120319722
- Publication date Dec 20, 2012
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Yilu Zhang
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND APPARATUS FOR THERMALLY MONITORING A PERMANENT MAGNET EL...
- Publication number 20120306422
- Publication date Dec 6, 2012
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Lei Hao
- G01 - MEASURING TESTING
Information Patent Application
ALTERNATOR SPEED ESTIMATION USING SPECTRUM ANALYSIS
- Publication number 20120259570
- Publication date Oct 11, 2012
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Yilu Zhang
- B60 - VEHICLES IN GENERAL