Variable displacement motor control system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11889790
SERIAL NO

17196903

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Abstract

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A hydraulically powered implement is designed for use in connection with a tractor that has a hydraulic pump that supplies pressurized hydraulic fluid to the implement. The implement includes a variable displacement hydraulic motor, an operative element driven by the hydraulic motor, a speed sensor configured to measure the rotational speed of the operative element and output a speed signal representative of the measured speed, a shift module that adjusts the displacement of the hydraulic motor in response to a shift command signal, and a controller. The controller sends the shift command signal to the shift module in response to speed signal output by the speed sensor.

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Patent Owner(s)

Patent OwnerAddress
DOUGHERTY FORESTRY MANUFACTURING LTD CO211 W CANYON RUN HINTON OK 73047

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dougherty, James Andrew Hinton, US 3 3
Dougherty, Patrick Devon Hinton, US 1 0

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