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:
Jul. 02, 2024
Filed:
Mar. 21, 2022
Wirtgen Gmbh, Windhagen, DE;
Tobias Stinner, Nister, DE;
Viktor Stremel, Neunkirchen-Seelscheid, DE;
Axel Mahlberg, Hennef, DE;
Rolf David Pancho Yanza, Bonn, DE;
Wirtgen GmbH, Windhagen, DE;
Abstract
A self-propelled earth working machine includes a traveling gear, a machine frame supported by the traveling gear, a power source accommodated on the machine frame for providing power for a travel operation and/or for an earth working operation, a working apparatus accommodated on the machine frame for earth working, and a cooling device for cooling a functional device of the earth working machine. The cooling device includes at least one heat exchanger system for transferring heat from a cooling medium to air, and a ventilator system, which is on the one hand designed and situated to produce a cooling air flow passing the heat exchanger system and which is on the other hand designed and situated to produce in the area of the power source a ventilation air flow flowing away from the power source. The heat exchanger system and a ventilation volume, in which the ventilation air flow flows away from the power source, are situated on the suction side of the ventilator system, the ventilation volume being situated downstream of the heat exchanger system relative to the cooling air flow, so that the ventilation air flow generated by the ventilator system meets the cooling air flow downstream of the heat exchanger system and upstream of the ventilator system.