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.

Date of Patent:
Dec. 23, 2025

Filed:

Apr. 19, 2023
Applicant:

Deere & Company, Moline, IL (US);

Inventor:

Manuel Billich, Dischingen, DE;

Assignee:

Deere & Company, Moline, IL (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01P 5/04 (2006.01); B60H 1/00 (2006.01); B60K 11/06 (2006.01);
U.S. Cl.
CPC ...
F01P 5/04 (2013.01); B60H 1/00464 (2013.01); B60K 11/06 (2013.01); F01P 2025/08 (2013.01);
Abstract

A system for operating a cooling device of a utility vehicle includes an axial fan, a temperature sensor, and a control unit. The axial fan can be rotated by a fan drive and is used to generate a cooling air stream for impingement on a vehicle assembly that is to be cooled. The axial fan has a plurality of fan blades that can be pivoted in terms of an angle of incidence by deflection of an actuator. The temperature sensor determines an actual value of a temperature variable that reflects a present operating temperature of the vehicle assembly. The control unit compares the actual value of the temperature variable with a specified setpoint value to output a target value of a control variable provided for the operation of the actuator. The control variable is one of a hydraulic and a pneumatic operation pressure for deflecting the actuator.


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