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US 2006/0131085 A1Published application
Deceleration rate based engine spin control and engine off functionality
AssigneeGM Global Technology Operations LLC
InventorGoro Tamai
Life of this patent
Estimating the term…
Abstract
A hybrid vehicle that includes an engine and an electric machine that selectively drives the engine. A control module monitors a deceleration rate of the vehicle and regulates fueling of the engine based on the deceleration rate. The control module regulates rotation of a crankshaft of the engine based on the deceleration rate.
Claims32
A hybrid vehicle, comprising:
- an engine;
- an electric machine that selectively drives said engine;
- and
- a control module that monitors a deceleration rate of said vehicle, that regulates fueling of said engine based on said deceleration rate and that regulates rotation of a crankshaft of said engine based on said deceleration rate.
1 more element
A method of regulating a hybrid electric vehicle during deceleration, comprising:
- monitoring a deceleration rate of said vehicle;
- regulating fueling of said engine based on said deceleration rate;
- and
- regulating rotation of a crankshaft of said engine based on said deceleration rate.
1 more element
A hybrid vehicle, comprising:
- an engine;
- a clutch that selectively enables said engine to directly drive a transmission;
- an electric machine that selectively drives said engine;
- and
- a control module that monitors a deceleration rate of said vehicle, that regulates fueling of said engine based on said deceleration rate, that regulates engagement of said clutch based on said deceleration rate and that regulates rotation of a crankshaft of said engine based on said deceleration rate.
2 more elements
A method of regulating deceleration of a hybrid vehicle, comprising:
- monitoring a deceleration rate of said vehicle;
- fueling of said engine based on said deceleration rate;
- regulating engagement of a clutch that selectively enables an engine to directly drive a transmission based on said deceleration rate;
- and
- regulating rotation of a crankshaft of said engine based on said deceleration rate.
2 more elements
Dependencies are inferred from the claim text.