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For the Inventor, By the Inventor

Grosse Pointe, MI, United States of America

Douglas E Trombley

USPTO Granted Patents = 14

Average Co-Inventor Count = 2.8

ph-index = 7

Forward Citations = 169(Granted Patents)


Location History:

  • Richmond, MI (US) (1987)
  • Warren, MI (US) (1990 - 1991)
  • Grosse Pointe, MI (US) (1992 - 1994)
  • Hartland, MI (US) (2006)
  • Eppstein-Bremthal, DE (2008)

Company Filing History:

goldMedal14 out of 30,943 
 
Gm Global Technolgoy Operations, Inc.
 patents

Years Active: 1987-2008

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14 patents (USPTO):Explore Patents
1. 7370521 - Method to detect a contaminated fuel injector (2008-05-13),
2. 7127346 - Dynamic engine pumping work estimation algorithm (2006-10-24),
3. 7027905 - Mass air flow estimation based on manifold absolute pressure (2006-04-11),
4. 5331939 - Transient fueling compensation (1994-07-26),
5. 5289812 - Internal combustion engine air/fuel ratio compensation (1994-03-01),
6. 5163398 - Engine idle speed control based upon fuel mass flow rate adjustment (1992-11-17),
7. 5119781 - Control of engine fuel injection during transitional periods associated (1992-06-09),
8. 5094206 - Method for controlling a crankcase scavenged two-stroke engine during (1992-03-10),
9. 5080064 - Adaptive learning control for engine intake air flow (1992-01-14),
10. 5051909 - Method and means for determining exhaust backpressure in a crankcase (1991-09-24),
11. 4958609 - Fuel injection timing control for a crankcase scavenged two-stroke engine (1990-09-25),
12. 4955341 - Idle control system for a crankcase scavenged two-stroke engine (1990-09-11),
13. 4920789 - Method and means for determining air mass in a crankcase scavenged (1990-05-01),
14. 4706628 - Engine combustion control responsive to location and magnitude of peak (1987-11-17),

Title: Innovator Spotlight: Douglas E. Trombley

Introduction: Douglas E. Trombley, a prominent inventor based in Grosse Pointe, MI, has made significant contributions to the field of engine technology. With a remarkable portfolio of 14 patents, he has played a crucial role in advancing automotive innovations, enhancing performance and efficiency.

Latest Patents: Two of Trombley's most recent patents highlight his ingenuity in engine diagnostics and control. The first is a "Method to Detect a Contaminated Fuel Injector," which provides a systematic approach to diagnosing fuel injector contamination in engine systems. This method involves recording a first fuel injection quantity and analyzing changes in fuel injection quantities under different fuel rail pressure conditions.

The second patent is a "Dynamic Engine Pumping Work Estimation Algorithm." This invention focuses on regulating engine operation through precise calculations of intake and exhaust pumping torques based on cylinder volumes at various valve closures and openings. This innovative control module plays a critical role in optimizing engine performance.

Career Highlights: Currently employed by GM Global Technology Operations LLC, Trombley has established himself as a key player in automotive engineering. His extensive experience and technical expertise have enabled him to develop solutions that address contemporary challenges in engine management and efficiency.

Collaborations: Throughout his career, Trombley has collaborated with notable peers, including Kenneth J. Buslepp and Aparicio J. Gomez. These partnerships have contributed to the successful development of several innovative solutions in the automotive sector.

Conclusion: Douglas E. Trombley's dedication to innovation and his impressive patent portfolio demonstrate his commitment to advancing automotive technology. His work not only enhances the performance of engine systems but also paves the way for future innovations in the industry.

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