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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 9561784 B1

PDFFull Text
Date of Patent:
Feb. 07, 2017

Filed:

Dec. 19, 2013

Control apparatus for controlling a brake of a unit hauled by a vehicle

Applicant:

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

Inventors:

Paolo Casali, Modena, IT;

Gabriele Ferola, Imola, IT;

Assignee:

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

Attorneys:

Rickard K. DeMille

Rebecca L. Henkel

Primary Examiner:

Thomas J Williams

Int. Cl.
CPC ...
B60T 7/20 (2006.01); B60T 7/04 (2006.01); B60T 8/17 (2006.01); B60T 8/1755 (2006.01); B60T 8/18 (2006.01); B60T 8/34 (2006.01); B60T 11/10 (2006.01); B60T 11/21 (2006.01); B60T 13/68 (2006.01); B60T 15/04 (2006.01); B60T 15/18 (2006.01); B60T 15/20 (2006.01); B60T 15/22 (2006.01); B60T 15/24 (2006.01); B60W 10/18 (2012.01); B60W 30/18 (2012.01);
U.S. Cl.
CPC ...
B60T 8/1708 (2013.01); B60T 7/04 (2013.01); B60T 7/042 (2013.01); B60T 7/20 (2013.01); B60T 8/17555 (2013.01); B60T 8/1887 (2013.01); B60T 8/341 (2013.01); B60T 11/108 (2013.01); B60T 11/21 (2013.01); B60T 13/683 (2013.01); B60T 15/041 (2013.01); B60T 15/18 (2013.01); B60T 15/206 (2013.01); B60T 15/226 (2013.01); B60T 15/246 (2013.01); B60W 10/18 (2013.01); B60W 30/18118 (2013.01);
Abstract

A control apparatus is configured to control a brake of a unit hauled by a vehicle. The vehicle includes a plurality of brakes for braking the wheels of the vehicle, a trailer brake for braking the hauled unit, and a parking brake for keeping the vehicle braked while it is stationary. The control apparatus includes a line for sending a fluid to the trailer brake through a control valve in order to brake the hauled unit in certain working conditions, a further line for sending a further fluid to the trailer brake in order to activate the trailer brake in other working conditions, and a valve device for controlling flow of the further fluid in the further line, the valve device being responsive to a signal indicative of the status of the parking brake.

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