Caterpillar Inc.

Mark David Anderson

Michael Anthony Spielman, Jr

Ming Zhang

Michael D Mitchell

Aaron Y Ho

Brandon J Mabe

Derek J Light

Cynthia A Nastav

An energy storage system for power time shifting is described herein. The energy storage system allows for the selection of which energy source to use. The energy storage system further allows for a determination as to whether or not excess energy should be stored, used, or sold. The energy storage system can use historical data to predict energy usage and costs in the future to further refine energy usage, storage, or sale determinations.

Hydrogen energy storage for power time shifting

A method of controlling a hydraulic system having a variable displacement pump operatively coupled to an engine. The method includes detecting a speed of the engine, and determining a desired power value of the pump. The method also includes identifying an allowable power value that may be expended by the pump at the detected speed. The method also includes selecting a pump power value. The selected pump power value is the lower of the allowable power value and the desired power value. The method further includes adjusting the pump to deliver the selected pump power value.

Method of controlling a hydraulic system

A machine having a powertrain including an engine operably connected to a torque converter and a transmission. The machine includes a control system receive an activation signal indicative of an automatic mode operation of the machine and command the torque converter to remain in a direct-drive mode while the transmission shifts from a first gear ratio to a second gear ratio. The control system also limits engine speed below a first engine speed limit when a gear ratio setting of the transmission is indicative of the second gear ratio.

Machine powertrain control system and method

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Oswego, IL, United States of America

Mark David Anderson