VEHICLE DRIVE MECHANISM
First Claim
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1. A vehicle drive mechanism comprising:
- a power transmission mechanism which has a rotary electric motor, and a gear mechanism for transmitting mechanical power from said rotary electric motor to a drive shaft disposed coaxially with an output shaft of said rotary electric motor; and
a control unit formed of a plurality of elements and controlling an operation of said rotary electric motor, whereinat least one of the elements which constitute said control unit is disposed on a periphery of at least one of said rotary electric motor, said drive shaft, and said gear mechanism, andat least a part of said elements which form said control unit is provided on an outer periphery of one of said gear mechanism and said rotary electric motor, a radius of the one of said gear mechanism and said rotary electric motor measured from said drive shaft being smaller than a radius of the other of said gear mechanism and said rotary electric motor measured from said drive shaft.
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Abstract
A vehicle drive mechanism includes a power transmission mechanism which has a rotary electric motor and a gear mechanism for transmitting mechanical power from the rotary electric motor to a drive shaft disposed coaxially with an output shaft of the rotary electric motor, and a control unit formed of a plurality of elements and controlling an operation of the rotary electric motor. At least one of the elements which constitute the control unit is disposed on a periphery of at least one of the rotary electric motor, the drive shaft, and the gear mechanism.
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Citations
10 Claims
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1. A vehicle drive mechanism comprising:
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a power transmission mechanism which has a rotary electric motor, and a gear mechanism for transmitting mechanical power from said rotary electric motor to a drive shaft disposed coaxially with an output shaft of said rotary electric motor; and a control unit formed of a plurality of elements and controlling an operation of said rotary electric motor, wherein at least one of the elements which constitute said control unit is disposed on a periphery of at least one of said rotary electric motor, said drive shaft, and said gear mechanism, and at least a part of said elements which form said control unit is provided on an outer periphery of one of said gear mechanism and said rotary electric motor, a radius of the one of said gear mechanism and said rotary electric motor measured from said drive shaft being smaller than a radius of the other of said gear mechanism and said rotary electric motor measured from said drive shaft. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9)
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2. (canceled)
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10. (canceled)
Specification