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:
Aug. 17, 2010
Filed:
Jun. 29, 2007
Applicants:
Ty Hartwick, Pella, IA (US);
Mark Cooper, Pella, IA (US);
Inventors:
Ty Hartwick, Pella, IA (US);
Mark Cooper, Pella, IA (US);
Assignee:
Vermeer Manufacturing Company, Pella, IA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 7/70 (2006.01); G06F 19/00 (2006.01); G06G 7/00 (2006.01); G06G 7/76 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system and process for controlling propulsion and steering of a track trencher excavation machine powered by an engine includes a multiple mode propulsion and steering control system that performs a plurality of functions depending on a selection of one of a plurality of operational modes. A controller generates a vehicle propulsion hydrostatic drive signal using an engine speed to determine a load multiplier. The load multiplier being defined as a function of the engine speed and an operator adjustable load control setting.