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US 8,798,880 B2Granted
System and method for controlling loads on a dual mass flywheel attached to an engine based on engine speed
AssigneeGM Global Technology Operations LLC
InventorsWilliam L. Cousins, James M. Partyka
Life of this patent
Estimating the term…
Abstract
A system according to the principles of the present disclosure includes an engine speed module and a downshift indicator module. The engine speed module determines an engine speed when a clutch is engaged with a dual mass flywheel. The downshift indicator module generates a downshift indicator signal when the engine speed is less than a first speed, the downshift indicator signal indicating when to downshift a manual transmission.
Claims20
A system comprising:
- an engine speed module that determines an engine speed when a clutch is engaged with a dual mass flywheel;
- and
- a downshift indicator module that generates a downshift indicator signal when the engine speed is less than a first speed, the downshift indicator signal indicating when to downshift a manual transmission, wherein the first speed is based on a predetermined relationship between the engine speed and oscillation of the dual mass flywheel.
A method comprising:
- determining an engine speed when a clutch is engaged with a dual mass flywheel;
- and
- generating a downshift indicator signal when the engine speed is less than a first speed, the downshift indicator signal indicating when to downshift a manual transmission, wherein the first speed is based on a predetermined relationship between the engine speed and oscillation of the dual mass flywheel.
Dependencies are inferred from the claim text.