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:
May. 19, 2026
Filed:
Oct. 28, 2022
Wacker Neuson Produktion Gmbh & Co. KG, Reichertshofen, DE;
Steffen Galle, Landshut, DE;
Matthias Bachmann, Neuburg, DE;
Alto Weiskopf, Altomünster, DE;
Robert Hartmann, Munich, DE;
Florian Forstner, Rudelzhausen, DE;
Markus Kollmann, Alkoven, AT;
Wacker Neuson Produktion GmbH & Co., Reichertshofen, DE;
Abstract
A work machine, such as a vibration tamper or a vibratory plate machine, includes a work device such as a ground contact plate, and a drive for driving the work device. The drive has an electric drive motor, an electric power accumulator for supplying the drive motor with an electric current, and an inverter installation for inverting the current from the power accumulator and for supplying the current to the drive motor. A cooling device is provided for cooling the power accumulator and the inverter installation. The cooling device has at least one fan installation for generating a cooling airflow which is able to be guided by way of the power accumulator and the inverter installation. The fan installation has a fan and a fan motor that drives the fan. The fan motor is provided separately from the drive motor of the drive.