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For the Inventor, By the Inventor

Darmstadt, Germany

Peter Willimowski

USPTO Granted Patents = 18

Average Co-Inventor Count = 2.8

ph-index = 3

Forward Citations = 94(Granted Patents)


Location History:

  • Robdorf, DE (2009 - 2011)
  • Darmstadt, DE (2002 - 2014)
  • Rossdorf, DE (2009 - 2016)

Company Filing History:

goldMedal18 out of 31,002 
 
Gm Global Technolgoy Operations, Inc.
 patents

Years Active: 2002-2016

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18 patents (USPTO):Explore Patents
1. 9331350 - Fuel cell system including diagnostic technique for unbalanced compressor (2016-05-03),
2. 8855945 - Feedforward control of the volume flow in a hydraulic system (2014-10-07),
3. 8771891 - Diagnostic system for unbalanced motor shafts for high speed compressor (2014-07-08),
4. 8642222 - Fuel cell power request control strategy (2014-02-04),
5. 8568937 - Fuel cell design with an integrated heat exchanger and gas humidification unit (2013-10-29),
6. 8470479 - Sensorless relative humidity control in a fuel cell application (2013-06-25),
7. 8012643 - Gas control and operation method of a fuel cell system for water and gas distribution (2011-09-06),
8. 7981557 - Gas control and operation method of a fuel cell system for water and gas distribution (2011-07-19),
9. 7862948 - Control of nitrogen fraction in a flow shifting fuel cell system (2011-01-04),
10. 7862935 - Management via dynamic water holdup estimator in a fuel cell (2011-01-04),
11. 7829234 - Non-linear cathode inlet/outlet humidity control (2010-11-09),
12. 7829231 - Fuel cell design with an integrated heat exchanger and gas humidification unit (2010-11-09),
13. 7588845 - Advanced control for an electrical heatable wax thermostat in the thermal coolant loop of fuel cell systems (2009-09-15),
14. 7537848 - Method for model based exhaust mixing control in a fuel cell application (2009-05-26),
15. 7479336 - Gas control and operation method of a fuel cell system for water and gas distribution (2009-01-20),

Title: Innovations by Peter Willimowski

Introduction

Peter Willimowski is a notable inventor based in Darmstadt, Germany. He has made significant contributions to the field of fuel cell technology, holding a total of 18 patents. His work focuses on improving the efficiency and reliability of fuel cell systems.

Latest Patents

One of his latest patents is a fuel cell system that includes a diagnostic technique for unbalanced compressors. This innovative diagnostic system determines whether a rotor shaft of a compressor is unbalanced by utilizing a displacement sensor. The sensor measures the displacement of the rotor shaft during rotation, and the dynamic frequency signal is processed through a bandpass filter. This filter eliminates an eigen-frequency that is influenced by shaft elasticity and rotor dynamics. The filtered signal is then rectified and converted into a DC signal, which is analyzed by a controller to identify any balance issues in the compressor.

Another significant patent involves feedforward control of the volume flow in a hydraulic system. This thermal sub-system for a fuel cell system employs an algorithm that calculates the Reynolds number based on various parameters, including the velocity of the cooling fluid and the diameter of the coolant loop pipe. The algorithm also assesses pressure loss and defines a delivery head value to determine the desired pump speed, optimizing the system's performance.

Career Highlights

Peter Willimowski is currently employed at Gm Global Technology Operations, Inc. His work has been instrumental in advancing fuel cell technology, making it more efficient and reliable for various applications.

Collaborations

He has collaborated with notable colleagues, including Oliver Maier and Volker Formanski, contributing to innovative projects and enhancing the capabilities of their team.

Conclusion

Peter Willimowski's contributions to fuel cell technology through his patents and collaborations highlight his role as a leading inventor in the field. His innovative approaches continue to pave the way for advancements in energy solutions.

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