Engine Power Elevation Energy Management Strategies for Hybrid Vehicles
First Claim
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1. A method for a hybrid vehicle comprising:
- outputting from an engine at least an elevated engine power while a driver demand power is greater than the elevated engine power;
outputting just the elevated engine power from the engine while the driver demand power is less than the elevated engine power;
transferring from the engine to a traction battery an extra engine power between the elevated engine power and the driver demand power.
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Abstract
A method for a hybrid vehicle includes outputting from an engine at least an elevated engine power while a driver demand power is greater than the elevated engine power. The method further includes outputting just the elevated engine power from the engine while the driver demand power is less than the elevated engine power and transferring from the engine to a traction battery an extra engine power between the elevated engine power and the driver demand power.
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Citations
20 Claims
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1. A method for a hybrid vehicle comprising:
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outputting from an engine at least an elevated engine power while a driver demand power is greater than the elevated engine power; outputting just the elevated engine power from the engine while the driver demand power is less than the elevated engine power; transferring from the engine to a traction battery an extra engine power between the elevated engine power and the driver demand power. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A system for a hybrid vehicle having an engine and a traction battery, the system comprising:
a controller configured to control the engine to output at least an elevated engine power while a driver demand power is greater than the elevated engine power, control the engine and the traction battery such that just the elevated engine power is outputted from the engine while the driver demand power is less than the elevated engine power, and to enable a transfer from the engine to the traction battery of an extra engine power between the elevated engine power and the driver demand power. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A vehicle comprising:
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an engine configured to output engine power; a traction battery configured to output battery power and to buffer engine power; and a controller configured to control the engine to output at least an elevated engine power while a driver demand power is greater than the elevated engine power, control the engine and the traction battery such that just the elevated engine power is outputted from the engine while the driver demand power is less than the elevated engine power, and to enable an extra engine power between the elevated engine power and the driver demand power to be transferred from the engine to the traction battery for the traction battery to buffer for future battery power output. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification