Hybrid electric tool carrier

a hybrid electric vehicle and tool carrier technology, applied in the field of utility vehicles, can solve the problems of affecting the use of the vehicle, so as to facilitate the installation of a variety of tool mounting configurations, facilitate the placement of vehicle components, and improve the power distribution structure
US20060090437A1Inactive Publication Date: 2006-05-04HUNT KENNETH EDWARD +2
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
HUNT KENNETH EDWARD
Publication Date
2006-05-04
Estimated Expiration
Not applicable · inactive patent

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Abstract

A hybrid utility vehicle includes a tool-supporting frame and an electrical power source driven by an engine. Right and left rear wheels independently driven by permanent magnet electric motors and front wheels electrically steerable over a range of approximately 180 degrees operate under the control of a vehicle controller responsive to steering and speed input controls to provide zero turn radius operation with minimum slippage and tire scuffing. Space efficiency provided by the electric steering and an electrically driven tool deck facilitate a variety of tool mounting configurations including a rear discharge deck with a chute passing under the vehicle frame between the driven wheels. An inverter connected to the electrical power source provides 110 / 220 volt output. The power source also functions as a high powered, high rpm, low noise starter motor.
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Description

FIELD OF THE INVENTION

[0001] The present invention relates generally to utility vehicles and more specifically to off-road hybrid electric vehicles such as lawn and garden tractors. BACKGROUND OF THE INVENTION

[0002] Off-road utility vehicles such as garden tractors typically include a basic carrier unit with an internal combustion engine and electrical power source. The carrier unit is powered by the engine, either through a direct mechanical drive or a hydraulic drive, or indirectly through the electrical power supply and one or more electric traction motors.

[0003] The carrier unit accepts various selectively replaceable attachments which are powered by the engine and / or electrical source. For example, a riding lawn mower includes a deck supported under a vehicle frame. Usually the cut material discharge chute is located on the side of the deck, and therefore the ability to trim on either side of the machine is limited. Some rear discharge machines have chutes which pass over a ...

Claims

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