US 11,971,095 B2
Hydraulic arrangement and agricultural or industrial utility vehicle
Michael Meid, Waghaeusel (DE); Manuel Billich, Dischingen (DE); and Thomas Busold, Bruehl (DE)
Assigned to DEERE & COMPANY, Moline, IL (US)
Filed by DEERE & COMPANY, Moline, IL (US)
Filed on Jul. 11, 2022, as Appl. No. 17/811,711.
Claims priority of application No. 102021120313.9 (DE), filed on Aug. 4, 2021.
Prior Publication US 2023/0045588 A1, Feb. 9, 2023
Int. Cl. F16H 57/04 (2010.01); F16H 61/00 (2006.01)
CPC F16H 57/0435 (2013.01) [F16H 57/0436 (2013.01); F16H 61/0021 (2013.01); F16H 2061/0037 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A hydraulic arrangement for an agricultural or industrial utility vehicle, comprising:
a main hydraulic circuit and a main hydraulic pump, wherein hydraulic fluid can be fed to the main hydraulic circuit by the main hydraulic pump;
a charge pump, wherein hydraulic fluid can be fed to the main hydraulic pump by the charge pump;
a lubricating hydraulic circuit and a gearbox lubricating hydraulic circuit, wherein at least a part of the hydraulic fluid delivered by the charge pump can be fed to the lubricating hydraulic circuit;
a shifting hydraulic circuit for shifting a gearbox; and
a gearbox pump, wherein hydraulic fluid can be fed to the shifting hydraulic circuit by the gearbox pump;
wherein at least a portion of the hydraulic fluid delivered by the charge pump can be fed to the gearbox lubricating hydraulic circuit; and
wherein at least a portion of the hydraulic fluid delivered by the main hydraulic pump can be fed to the shifting hydraulic circuit.