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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.:

US 11787385 B1

PDFFull Text
Date of Patent:
Oct. 17, 2023

Filed:

May. 28, 2021

Agricultural system and method for preventing roll-back of an agricultural vehicle on a sloped surface

Applicant:

Cnh Industrial America Llc, New Holland, PA (US);

Inventors:

Brent David Bast, Sioux Falls, SD (US);

Nathan Paul Brooks, Manitowoc, WI (US);

Steven Winkel, Elkhart Lake, WI (US);

John Patrick Greifzu, Woodridge, IL (US);

Assignee:

CNH Industrial America LLC, New, PA (US);

Attorneys:

Rebecca Henkel

Rickard DeMille

Primary Examiner:

Colby M Hansen

Int. Cl.
CPC ...
B60W 10/103 (2012.01); B60W 10/18 (2012.01); B60W 30/18 (2012.01); B67D 7/36 (2010.01); B67D 7/02 (2010.01); G01M 3/32 (2006.01); A01M 7/00 (2006.01); A01C 23/00 (2006.01); G05D 1/00 (2006.01); G07C 5/00 (2006.01); G07C 5/08 (2006.01); A01D 41/127 (2006.01); A01D 69/00 (2006.01); B05B 15/55 (2018.01); A01C 23/04 (2006.01); B05B 12/08 (2006.01); B67D 7/38 (2010.01); B67D 7/78 (2010.01); B67D 99/00 (2010.01); B05B 12/14 (2006.01); A01B 59/00 (2006.01); E02F 3/46 (2006.01); E02F 9/22 (2006.01); B05B 15/65 (2018.01); B05B 12/16 (2018.01); B05B 1/20 (2006.01); B05B 12/02 (2006.01); B08B 3/02 (2006.01); B08B 5/02 (2006.01); B60W 40/076 (2012.01); B05B 14/00 (2018.01); G01F 23/70 (2006.01);
U.S. Cl.
CPC ...
B60W 10/103 (2013.01); A01B 59/002 (2013.01); A01C 23/007 (2013.01); A01C 23/008 (2013.01); A01C 23/047 (2013.01); A01D 41/1274 (2013.01); A01D 69/00 (2013.01); A01M 7/0042 (2013.01); A01M 7/0057 (2013.01); A01M 7/0085 (2013.01); A01M 7/0089 (2013.01); B05B 1/20 (2013.01); B05B 12/02 (2013.01); B05B 12/081 (2013.01); B05B 12/085 (2013.01); B05B 12/14 (2013.01); B05B 12/16 (2018.02); B05B 15/55 (2018.02); B05B 15/65 (2018.02); B08B 3/02 (2013.01); B08B 5/02 (2013.01); B60W 10/18 (2013.01); B60W 10/182 (2013.01); B60W 30/18118 (2013.01); B60W 40/076 (2013.01); B67D 7/02 (2013.01); B67D 7/0294 (2013.01); B67D 7/36 (2013.01); B67D 7/362 (2013.01); B67D 7/38 (2013.01); B67D 7/78 (2013.01); B67D 99/00 (2013.01); E02F 3/46 (2013.01); E02F 9/2271 (2013.01); E02F 9/2275 (2013.01); G01M 3/3245 (2013.01); G05D 1/0016 (2013.01); G07C 5/008 (2013.01); G07C 5/08 (2013.01); B05B 14/00 (2018.02); B08B 2203/0205 (2013.01); B60W 2520/10 (2013.01); G01F 23/70 (2013.01); G05D 2201/0201 (2013.01);
Abstract

An agricultural method for preventing roll-back of an agricultural vehicle may include receiving a roll-back prevention input from a speed setting device indicative of a command to increase the transmission speed of the hydrostatic transmission while a service brake of the agricultural vehicle is engaged. Further, the method may include adjusting a speed mapping for the speed setting device from a predetermined speed mapping to a roll-back speed mapping in response to the roll-back prevention input, with the roll-back speed mapping being associated with a reduced speed range. Additionally, the method may include determining a transmission control command associated with a current position of the speed setting device based on the roll-back speed mapping and controlling an operation of the hydrostatic transmission to adjust the transmission speed based at least in part on the transmission control command.

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