Hybrid vehicle with combustion engine/electric motor drive
First Claim
Patent Images
1. A work vehicle comprising:
- an engine;
a generator coupled to the engine so as to be driven by the engine;
a drive shaft coupled to the engine so as to be driven by the engine;
a drive axle coupled to the drive shaft so as to be driven by the drive shaft;
first and second wheel ends coupled to the drive axle so as to be able to be driven by the drive axle;
first and second wheels coupled to the associated first and second wheel ends;
a wheel end drive assembly coupled to at least one wheel end so as to be able to drive the at least one wheel end, the wheel end drive assembly including;
an electric motor powered by the generator;
a planetary gearset, the planetary gearset having a first input coupled to the drive axle, a second input coupled to the electric motor, and an output shaft; and
a planetary reduction gear having an input coupled to the output shaft of the planetary gearset and an output coupled to the wheel end;
a central tire inflation system including;
an air supply source;
an air manifold;
an inflatable tire coupled to the air manifold and disposed on the wheel;
a central tire inflation system control unit configured to generate a central tire inflation system control signal, wherein the air manifold regulates the air supplied to the wheel in response to the control signal.
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Accused Products
Abstract
A vehicle including a prime mover, a generator mechanically coupled to the prime mover, a first multi-input drive unit having at least first and second rotational inputs and at least one rotational output wherein the first rotational input is coupled to the prime mover, a first electric motor mechanically coupled to the second rotational input and electrically coupled to the generator and a first pair of vehicle drive wheels coupled to the rotational output.
234 Citations
93 Claims
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1. A work vehicle comprising:
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an engine;
a generator coupled to the engine so as to be driven by the engine;
a drive shaft coupled to the engine so as to be driven by the engine;
a drive axle coupled to the drive shaft so as to be driven by the drive shaft;
first and second wheel ends coupled to the drive axle so as to be able to be driven by the drive axle;
first and second wheels coupled to the associated first and second wheel ends;
a wheel end drive assembly coupled to at least one wheel end so as to be able to drive the at least one wheel end, the wheel end drive assembly including;
an electric motor powered by the generator;
a planetary gearset, the planetary gearset having a first input coupled to the drive axle, a second input coupled to the electric motor, and an output shaft; and
a planetary reduction gear having an input coupled to the output shaft of the planetary gearset and an output coupled to the wheel end;
a central tire inflation system including;
an air supply source;
an air manifold;
an inflatable tire coupled to the air manifold and disposed on the wheel;
a central tire inflation system control unit configured to generate a central tire inflation system control signal, wherein the air manifold regulates the air supplied to the wheel in response to the control signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A work vehicle comprising:
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an engine;
a first generator coupled to the engine so as to be driven by the engine;
a drive shaft coupled to the engine so as to be driven by the engine;
a drive axle coupled to the drive shaft so as to be driven by the drive shaft;
first and second wheel ends coupled to the drive axle so as to be able to be driven by the drive axle;
first and second wheels coupled to the associated first and second wheel ends;
a wheel end drive assembly coupled to at least one wheel end so as to be able to drive the at least one wheel end, the wheel end drive assembly including;
an electric motor powered by the first generator;
a planetary gearset having a first input coupled to the drive axle, a second input coupled to the electric motor, and an output shaft; and
a secondary generator coupled to the engine so as to be driven by the engine. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A work vehicle comprising:
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an engine;
a generator coupled to the engine so as to be driven by the engine;
a drive shaft coupled to the engine so as to be driven by the engine;
a drive axle coupled to the drive shaft so as to be driven by the drive shaft;
first and second wheel ends coupled to the drive axle so as to be able to be driven by the drive axle;
first and second wheels coupled to the associated first and second wheel ends;
a wheel end drive assembly coupled to at least one wheel end so as to be able to drive the at least one wheel end, the wheel end drive assembly including;
an electric motor powered by the generator;
a planetary gearset, the planetary gearset having a first input coupled to the drive axle, a second input coupled to the electric motor, and an output shaft; and
an ancillary equipment coupled to the drive shaft so as to be powered by the drive shaft. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A work vehicle comprising:
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an engine;
a generator coupled to the engine so as to be driven by the engine;
a secondary motor/generator coupled to the engine so as to be driven by the engine;
a drive shaft coupled to the engine so as to be driven by the engine;
a drive axle coupled to the drive shaft so as to be driven by the drive shaft;
first and second wheel ends coupled to the drive axle so as to be able to be driven by the drive axle;
first and second wheels coupled to the associated first and second wheel ends;
a wheel end drive assembly coupled to at least one wheel end so as to be able to drive the associated wheel, the wheel end drive assembly including;
an electric motor powered by the generator; and
a planetary gearset, the planetary gearset having a first input coupled to the drive axle, a second input coupled to the electric motor, and an output shaft coupled to the wheel end;
wherein the electric motor and planetary gearset are disposed within the wheel end. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40)
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41. A work vehicle comprising:
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an engine;
a secondary motor/generator coupled to the engine so as to be driven by the engine;
a generator coupled to the engine so as to be driven by the engine;
a drive shaft coupled to the engine so as to be driven by the engine;
a drive axle coupled to the drive shaft so as to be driven by the drive shaft;
first and second wheel ends coupled to the drive axle so as to be able to be driven by the drive axle;
first and second wheels coupled to the associated first and second wheel ends;
a wheel end drive assembly coupled to at least one wheel end so as to be able to drive the associated wheel, the wheel end drive assembly including;
an electric motor disposed external to the wheel end powered by the generator; and
a planetary gearset disposed within the wheel end, the planetary gearset having a first input coupled to the drive axle, a second input coupled to the electric motor, and an output shaft coupled to the wheel end. - View Dependent Claims (42, 43, 44, 45, 46, 47)
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48. A work vehicle comprising:
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an engine;
a secondary motor/generator coupled to the engine so as to be driven by the engine;
a generator coupled to the engine so as to be driven by the engine;
a drive shaft coupled to the engine so as to be driven by the engine;
a drive axle coupled to the drive shaft so as to be driven by the drive shaft;
first and second wheel ends coupled to the drive axle so as to be able to be driven by the drive axle;
first and second wheels coupled to the associated first and second wheel ends;
a wheel end drive assembly coupled to at least one wheel end so as to be able to drive the associated wheel, the wheel end drive assembly including;
an electric motor disposed external to the wheel end powered by the generator; and
a planetary gearset disposed external to the wheel end, the planetary gearset having a first input coupled to the drive shaft, a second input coupled to the electric motor, and an output shaft coupled to the wheel end. - View Dependent Claims (49, 50, 51, 52, 53, 54)
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55. A work vehicle comprising:
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an engine;
a secondary motor/generator coupled to the engine so as to be driven by the engine;
a generator coupled to the engine so as to be driven by the engine;
a drive shaft coupled to the engine so as to be driven by the engine;
a drive axle coupled to the drive shaft so as to be driven by the drive shaft;
first and second wheel ends coupled to the drive axle so as to be able to be driven by the drive axle;
first and second wheels coupled to the associated first and second wheel ends;
a wheel end drive assembly coupled to at least one wheel end so as to be able to drive the associated wheel, the wheel end drive assembly including;
an electric motor disposed external to the wheel end powered by the generator; and
a planetary gearset disposed external to the wheel end, the planetary gearset having a first input coupled to the drive shaft, a second input coupled to the electric motor, and an output shaft coupled to the drive axle. - View Dependent Claims (56, 57, 58, 59, 60)
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61. A vehicle comprising:
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a prime mover;
a generator mechanically coupled to the prime mover;
a first multi-input drive unit having at least first and second rotational inputs and at least one rotational output, wherein the first rotational input is coupled to the prime mover;
a first electric motor mechanically coupled to the second rotational input and electrically coupled to the generator; and
a first pair of vehicle drive wheels coupled to the rotational output. - View Dependent Claims (62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78)
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79. A vehicle comprising:
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a prime mover;
a generator mechanically coupled to the prime mover;
a first multi-input drive unit having at least first and second rotational inputs and at least one rotational output, wherein the first rotational input is coupled to the prime mover;
a first electric motor mechanically coupled to the second rotational input and electrically coupled to the generator;
a second multi-input drive unit having at least first and second rotational inputs and at least one rotational output, wherein the first rotational input of the second multi-input drive unit is coupled to the rotational output of the first multi-input drive unit;
a second electric motor mechanically coupled to the second rotational input of the second multi-input drive unit and electrically coupled to the generator;
a first vehicle drive wheel coupled to the rotational output of the second multi-input drive unit;
a third multi-input drive unit having at least first and second rotational inputs and at least one rotational output, wherein the first rotational input of the third multi-input drive unit is coupled to the rotational output of the first multi-input drive unit;
a third electric motor mechanically coupled to the second rotational input of the third multi-input drive unit and electrically coupled to the generator; and
a second vehicle drive wheel coupled to the rotational output of the third multi-input drive unit. - View Dependent Claims (80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93)
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Specification