Multi-deck grass mowing machine having hydraulic and electric driven cutting units
AssigneeDeere & Company
InventorsThirumal Appaian, Stanley K. Hall, Chris Guillory
Life of this patent
Estimating the term…
Abstract
Provided are devices, systems, and methods related to a mower having multiple mowing cutting units wherein at least one mower cutting unit includes a blade powered by a hydraulic motor and at lest one mower cutting unit includes a blade powered by an electric motor. A controller may command activation of both the hydraulic and electric powered blades. In one or more implementations, cutting units having electric powered blades may be wing cutting units that are movable between two or more positions.
Claims18
A grass mowing machine, comprising:
- a plurality of mower cutting units each including at least one mower blade wherein at least one mower blade is powered by a hydraulic motor and at least one mower blade is powered by an electric motor;
- and
- a controller that commands activation of said at least one mower blade powered by a hydraulic motor and at least one mower blade powered by an electric motor.
A grass mowing machine, comprising:
- a power source;
- an electric current source;
- a hydraulic system,
- a plurality of mower cutting units each having at least one blade and wherein at least one mower cutting unit having at least one blade is powered by said hydraulic system and at least one mower cutting unit having at least one blade is powered by said electric current.
A grass mowing machine, comprising:
- an internal combustion engine;
- an alternator configured to generate current from an output of said internal combustion engine;
- a hydraulic system including a plurality of valves,
- a plurality of hydraulic mower decks each having at least one blade, each blade powered by a hydraulic motor, wherein a first portion of the hydraulic motors are activated by a first valve and a second portion of the hydraulic motors are activated by a second valve,
- a plurality of electric mower decks each having at least one blade, each blade powered by an electric motor, wherein at least a portion of said plurality of electric mower decks are wing decks,
- an inverter connected to each electric motor;
- a controller configured to command said valves and said inverters to activate said blades.
Dependencies are inferred from the claim text.