Power transmission system and operation method thereof
First Claim
Patent Images
1. A power transmission system comprising:
- a speed reducing mechanism for speed-reducing drive power of an electric motor;
a differential apparatus for distributing speed-reduced drive power to axle ends;
a clutch configured for interruptive transmission of drive power between the speed-reducing mechanism and the differential apparatus;
a main drive power source; and
the electric motor used as an auxiliary drive power source relative to the main drive power source.
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Accused Products
Abstract
Between a speed reducing mechanism (15, 17, 19) for speed-reducing drive power of an electric motor and a differential apparatus (7) for distributing speed-reduced drive power to axle ends is disposed a clutch (5) configured for interruptive transmission of drive power.
52 Citations
13 Claims
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1. A power transmission system comprising:
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a speed reducing mechanism for speed-reducing drive power of an electric motor;
a differential apparatus for distributing speed-reduced drive power to axle ends;
a clutch configured for interruptive transmission of drive power between the speed-reducing mechanism and the differential apparatus;
a main drive power source; and
the electric motor used as an auxiliary drive power source relative to the main drive power source. - View Dependent Claims (4, 8)
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2. A power transmission system comprising:
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a speed reducing mechanism for speed-reducing drive power of an electric motor;
a differential apparatus for distributing speed-reduced drive power to axle ends; and
a clutch configured for interruptive transmission of drive power between the speed-reducing mechanism and the differential apparatus, wherein the speed-reducing comprises a plurality of reduction gear sets, and the clutch is disposed in a power transmission path of the speed-reducing mechanism. - View Dependent Claims (3, 5)
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6. A power transmission system comprising:
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a speed reducing mechanism for speed-reducing drive power of an electric motor;
a differential apparatus for distributing speed-reduced drive power to axle ends; and
a clutch configured for interruptive transmission of drive power between the speed-reducing mechanism and the differential apparatus, wherein the clutch comprises a frictional clutch. - View Dependent Claims (7)
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9. A power transmission system for vehicles including a main drive wheel and an auxiliary drive wheel, the system comprising:
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a main power transmission system configured to transmit main drive power to a main drive wheel via a first train of torque transmitters; and
an auxiliary power transmission system configured to transmit auxiliary drive power from an electric motor to an auxiliary drive wheel via an interruptive second train of torque transmitters including;
a differential;
a combination of a reduction and a clutch disposed between the electric motor and the differential;
an actuator configured to provide the clutch with an engagement force; and
a cam mechanism configured to amplify the engagement force. - View Dependent Claims (10)
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11. A power transmission system for vehicles including a main drive wheel and an auxiliary drive wheel, the system comprising:
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a main power transmission system configured to transmit main drive power to a main drive wheel via a first train of torque transmitters; and
an auxiliary power transmission system configured to transmit auxiliary drive power from an electric motor to an auxiliary drive wheel via an interruptive second train of torque transmitters including;
a differential;
a reduction disposed between the electric motor and the differential;
a final reduction gear meshing with an output gear coaxial to the differential; and
a clutch coaxial to an input shaft of the final reduction gear. - View Dependent Claims (12, 13)
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Specification