Internal combustion engine camshaft scheduling strategy for maximum pumping loss reduction
A method of camshaft scheduling is disclosed which includes measuring a driver input; calculating a driver requested torque based on a measured driver input; and scheduling the camshaft based upon thedriver requested torque. In one example, the driver input is an accelerator pedal position, which is...
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Main Authors | , |
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Format | Patent |
Language | Chinese English |
Published |
10.02.2010
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Subjects | |
Online Access | Get full text |
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Abstract | A method of camshaft scheduling is disclosed which includes measuring a driver input; calculating a driver requested torque based on a measured driver input; and scheduling the camshaft based upon thedriver requested torque. In one example, the driver input is an accelerator pedal position, which is related to a percentage of driver torque requested. The cam position is selected based on the driver requested torque and the cam position is adjusted to provide one of a best fuel economy cam position and a best torque output cam position based upon the percentage of driver torque requested. |
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AbstractList | A method of camshaft scheduling is disclosed which includes measuring a driver input; calculating a driver requested torque based on a measured driver input; and scheduling the camshaft based upon thedriver requested torque. In one example, the driver input is an accelerator pedal position, which is related to a percentage of driver torque requested. The cam position is selected based on the driver requested torque and the cam position is adjusted to provide one of a best fuel economy cam position and a best torque output cam position based upon the percentage of driver torque requested. |
Author | NANUA PRABJOT KWIATKOWSKI ADAM S |
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Notes | Application Number: CN20091165738 |
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RelatedCompanies | GM. GLOBAL TECH OPERATIONS INC. (US) |
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Snippet | A method of camshaft scheduling is disclosed which includes measuring a driver input; calculating a driver requested torque based on a measured driver input;... |
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SubjectTerms | BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS |
Title | Internal combustion engine camshaft scheduling strategy for maximum pumping loss reduction |
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