Hybrid Vehicle
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Accused Products
Abstract
A hybrid vehicle is provided, in which lean limit operation of an engine can be achieved while consumption of electric power of a battery is suppressed when a change of engine torque in the vicinity of a lean limit is suppressed or when an air-fuel ratio is controlled so as to come close to a lean limit during engine operation. The hybrid vehicle in which an engine, a motor-generator, and a drive wheel are mutually connected via differential connection means includes a control device which maintains an output of the engine at a constant level by increasing/decreasing an engine rotational speed and decreasing/increasing a rotational speed of the motor-generator in accordance with a decrease/increase of the engine torque in the vicinity of the lean limit.
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Citations
26 Claims
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1-7. -7. (canceled)
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8. A hybrid vehicle comprising:
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a differential connection portion which mutually connects an engine, a motor-generator, and a drive wheel; and
a control device which performs lean limit control of the engine, and which maintains an output of the engine at a constant level by increasing/decreasing an engine rotational speed and decreasing/increasing a rotational speed of the motor-generator in accordance with a decrease/increase in engine torque. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A hybrid vehicle comprising;
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differential connection means which mutually connects an engine, a motor-generator, and a drive wheel; and
a control device which performs lean limit control of the engine, and which maintains an output of the engine at a constant, level by increasing/decreasing an engine rotational speed and decreasing/increasing a rotational speed of the motor-generator in accordance with a decrease/increase in engine torque.
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Specification