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US Patent 11866912 Drive motor displacement control

Overview Structured Data Issues Contributors

Is a

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Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

1

Patent Number

Patent Inventor Names

Eric Zabel1

Douglas Kallas1

Boston Zachmann1

Scott Becker1

Charles Young1

Matthew Kaldor1

Marty Carpenter1

Date of Patent

January 9, 2024

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Patent Application Number

170263871

Date Filed

September 21, 2020

1

Patent Citations

US Patent 7506717 Hydraulically driven vehicle

1

US Patent 7698891 Travel motion control apparatus for hydraulically driven vehicle, hydraulically driven vehicle and wheel hydraulic excavator

1

US Patent 7987941 Construction vehicle with controller for suppressing reduction of traction force under low speed traveling condition

1

US Patent 8322481 Traveling control apparatus for hydraulic traveling vehicle

1

US Patent 8438846 Hydraulic drive apparatus

1

US Patent 8521374 Hydraulic work machine

1

US Patent 8567186 Control apparatus for working vehicle

1

US Patent 8646263 Work vehicle and method for controlling a work vehicle

1

...

Patent Primary Examiner

Dustin T Nguyen

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CPC Code

1

1

1

1

1

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Patent abstract

A power machine can include a hydraulic drive system that includes an infinitely variable hydraulic drive motor. A run-time displacement of the hydraulic motor can be adjusted based on commanded travel speed or based on a output torque. In some case, the run-time displacement can be selected from one of a plurality of displacement ranges, such as a high range and a low range.

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