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:
Feb. 13, 2001
Filed:
Mar. 08, 1999
Egon Mann, Friedrichshafen, DE;
Wolfgang Gebhard, Friedrichshafen, DE;
ZF Friedrichshafen AG, Friedrichshafen, DE;
Abstract
In a wheel drive with a radial-piston motor (,) and a planet gear (,) a wheel hub (,) being placed on a wheel hub support (,) by means of wheel bearings (,). The wheel hub support (,) can be joined to a transmission connector (,) in a single piece and is fastened to a vehicle chassis support. A dog tooth brake (,) is located on the side of the wheel drive facing the vehicle and serves as parking brake. In a cover (,) for a hydraulic connection of the radial-piston motor (,) are integrated valves for control of the radial-piston motor (,) and of the brake (,). Short lines and delay times occur as result. The cover (,) contains inter alia a brake valve (,) for a hydraulic brake function and a displacement change-over valve (,) enabling certain cylinders (,) of the radial-piston motor (,) to be switched on or off.