Electric riding mower with motor generator set and noise abatement
First Claim
Patent Images
1. A self-propelled mower comprising:
- a frame;
a plurality of ground engaging wheels supporting said frame;
an internal combustion engine outputting mechanical motion;
an electrical generator operably coupled with said internal combustion engine, said electrical generator outputting electrical energy in response to said mechanical motion;
an electric wheel motor operably coupled between said electrical generator and at least one of said plurality of ground engaging wheels for driving said at least one ground engaging wheel in response to said electrical energy; and
a cutting device supported by said frame, said cutting device being operably driven by said internal combustion engine.
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Accused Products
Abstract
A self-propelled mower having a frame, a plurality of ground engaging wheels supporting the frame, and an internal combustion engine outputting mechanical motion. An electrical generator is operably coupled with the internal combustion engine to output electrical energy in response to the mechanical motion. An electric wheel motor is operably coupled between the electrical generator and at least one of the plurality of ground engaging wheels to drive the ground engaging wheel in response to the electrical energy. A cutting device is supported by the frame. The cutting device is driven by the internal combustion engine.
193 Citations
20 Claims
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1. A self-propelled mower comprising:
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a frame;
a plurality of ground engaging wheels supporting said frame;
an internal combustion engine outputting mechanical motion;
an electrical generator operably coupled with said internal combustion engine, said electrical generator outputting electrical energy in response to said mechanical motion;
an electric wheel motor operably coupled between said electrical generator and at least one of said plurality of ground engaging wheels for driving said at least one ground engaging wheel in response to said electrical energy; and
a cutting device supported by said frame, said cutting device being operably driven by said internal combustion engine. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A self-propelled mower comprising:
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a frame;
a plurality of ground engaging wheels supporting said frame;
an internal combustion engine outputting mechanical motion;
an electrical generator operably coupled with said internal combustion engine, said electrical generator outputting electrical energy in response to said mechanical motion;
an electric wheel motor operably coupled between said electrical generator and at least one of said plurality of ground engaging wheels for driving said at least one ground engaging wheel in response to said electrical energy;
a cutting device supported by said frame, said cutting device being operably driven by said internal combustion engine; and
a main controller operably coupled to at least one of said cutting device and said electric wheel motor. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification