The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 15, 2013
Filed:
Aug. 31, 2011
Joseph Colwell, Hubertus, WI (US);
William Hren, Wauwatosa, WI (US);
David Wendt, Hubertus, WI (US);
Michael Linstroth, Port Washington, WI (US);
Joseph Colwell, Hubertus, WI (US);
William Hren, Wauwatosa, WI (US);
David Wendt, Hubertus, WI (US);
Michael Linstroth, Port Washington, WI (US);
Harnischfeger Technologies, Inc., Wilmington, DE (US);
Abstract
Systems, methods, devices, and computer readable media for controlling a digging operation of an industrial machine that includes a dipper and a crowd drive. A method includes determining an acceleration associated with the industrial machine, determining a crowd retract factor based on the acceleration, comparing the crowd retract factor to a threshold crowd retract factor, setting a crowd speed reference and a crowd retract torque for the crowd drive for a period of time based on the comparison of the crowd retract factor to the threshold crowd retract factor.