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Douglas E. Trombley
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Richmond, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Dynamic engine pumping work estimation algorithm
Patent number
7,127,346
Issue date
Oct 24, 2006
GM Global Technology Operations, Inc.
Douglas E. Trombley
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Mass air flow estimation based on manifold absolute pressure
Patent number
7,027,905
Issue date
Apr 11, 2006
General Motors Corporation
Ljubisa M. Mladenovic
G01 - MEASURING TESTING
Information
Patent Grant
Adaptive engine control responsive to catalyst deterioration estima...
Patent number
5,857,163
Issue date
Jan 5, 1999
General Motors Corporation
Douglas Edward Trombley
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Output torque matching in a multi-speed electric vehicle
Patent number
5,629,593
Issue date
May 13, 1997
General Motors Corporation
Frederick J. Pollock
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Transient fueling compensation
Patent number
5,331,939
Issue date
Jul 26, 1994
General Motors Corporation
Douglas E. Trombley
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Internal combustion engine air/fuel ratio compensation
Patent number
5,289,812
Issue date
Mar 1, 1994
General Motors Corporation
Douglas E. Trombley
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Engine idle speed control based upon fuel mass flow rate adjustment
Patent number
5,163,398
Issue date
Nov 17, 1992
General Motors Corporation
Kenneth J. Buslepp
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Control of engine fuel injection during transitional periods associ...
Patent number
5,119,781
Issue date
Jun 9, 1992
General Motors Corporation
Douglas E. Trombley
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method for controlling a crankcase scavenged two-stroke engine duri...
Patent number
5,094,206
Issue date
Mar 10, 1992
General Motors Corporation
Kenneth J. Buslepp
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Adaptive learning control for engine intake air flow
Patent number
5,080,064
Issue date
Jan 14, 1992
General Motors Corporation
Kenneth J. Buslepp
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and means for determining exhaust backpressure in a crankcas...
Patent number
5,051,909
Issue date
Sep 24, 1991
General Motors Corporation
Aparicio J. Gomez
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel injection timing control for a crankcase scavenged two-stroke...
Patent number
4,958,609
Issue date
Sep 25, 1990
General Motors Corporation
Douglas E. Trombley
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Idle control system for a crankcase scavenged two-stroke engine
Patent number
4,955,341
Issue date
Sep 11, 1990
General Motors Corporation
Douglas E. Trombley
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and means for determining air mass in a crankcase scavenged...
Patent number
4,920,789
Issue date
May 1, 1990
General Motors Corporation
Aparicio J. Gomez
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Engine combustion control responsive to location and magnitude of p...
Patent number
4,706,628
Issue date
Nov 17, 1987
General Motors Corporation
Douglas E. Trombley
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
MASS AIR FLOW ESTIMATION BASED ON MANIFOLD ABSOLUTE PRESSURE
Publication number
20060069490
Publication date
Mar 30, 2006
Ljubisa M. Mladenovic
G01 - MEASURING TESTING