Traction Chain For A Hybrid Vehicle
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Abstract
The invention relates to a drive wheel traction chain for a hybrid vehicle comprising a heat engine and a hydraulic traction machine powered by hydraulic accumulators forming two power units that can be used to drive the drive wheels of the vehicle. The invention further comprises a recharge module including electricity storage batteries connected to an electric machine which drives a hydraulic recharge machine that powers the hydraulic accumulators, and a means for controlling the recharge module connected to the means for controlling the power units of the vehicle.
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Citations
18 Claims
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1-9. -9. (canceled)
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10. A traction chain for the drive wheels of a hybrid vehicle, said traction train comprising:
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a heat engine and a hydraulic traction machine powered by hydraulic accumulators, the heat engine and hydraulic traction machine structured and operable to drive wheels of the vehicle; a recharge module including electricity storage batteries connected to an electric machine that drives a hydraulic recharge machine that powers the hydraulic accumulators; and a means for controlling the recharge module connected to the means for controlling the heat engine and a hydraulic traction machine of the vehicle, wherein the recharge module is an independent subassembly that is mounted in the traction chain. - View Dependent Claims (11, 12, 13, 14)
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15. A method of operation of a traction chain, wherein the traction chain includes a heat engine and a hydraulic traction machine powered by hydraulic accumulators, the heat engine and hydraulic traction machine structured and operable to drive wheels of the vehicle, a recharge module including electricity storage batteries connected to an electric machine that drives a hydraulic recharge machine that powers the hydraulic accumulators, and a means for controlling the recharge module connected to the means for controlling the heat engine and a hydraulic traction machine of the vehicle, wherein the recharge module is an independent subassembly that is mounted in the traction chain, said method comprising:
enabling, in a first operating mode, a recharging of the hydraulic accumulators, the vehicle being one of halted or in motion, by driving the hydraulic recharge machine used as a pump from the electric machine consuming an electric current delivered by the batteries. - View Dependent Claims (16, 17)
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18. A hybrid vehicle, said vehicle comprising:
a traction chain, wherein the traction chain includes; a heat engine and a hydraulic traction machine powered by hydraulic accumulators, the heat engine and hydraulic traction machine structured and operable to drive wheels of the vehicle; a recharge module including electricity storage batteries connected to an electric machine that drives a hydraulic recharge machine that powers the hydraulic accumulators; and a means for controlling the recharge module connected to the means for controlling the heat engine and a hydraulic traction machine of the vehicle, wherein the recharge module is an independent subassembly that is mounted in the traction chain.
Specification