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:
Sep. 01, 2026
Filed:
Nov. 21, 2023
Volvo Truck Corporation, Gothenburg, SE;
Gabriel Trönnberg, Trollhättan, SE;
Volvo Truck Corporation, Gothenburg, SE;
Abstract
A hydraulic power steering system comprising: a first hydraulic pump driven by a rotation of the driving wheels of a vehicle such that a first hydraulic pressure is generated; a second hydraulic pump arranged such that a second hydraulic pressure is generated; a clutch arrangement switchable between an engaged state in which the clutch arrangement is arranged to transmit power from the engine to drive the second hydraulic pump, and a disengaged state in which the clutch arrangement is arranged to disengage power transmission from the engine to the second hydraulic pump; and a hydraulic power steering arrangement to be connected to a steering system of the vehicle to amplify steering input exerted by a driver by applying a hydraulic pressure provided by the first and/or second hydraulic pressure.