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. 10, 2004
Filed:
Nov. 28, 2001
Uffe Lykke Eriksen, Silkeborg, DK;
Welm Friedrichsen, Nordborg, DK;
Sauer-Danfoss Holding A/S, Nordborg, DK;
Abstract
A hydraulic drive for a vehicle has a pressure source ( ) generating a predetermined pressure for maintaining the operating pressure of a hydraulic motor ( ), a braking cylinder ( ) with a spring chamber ( ) comprising a spring arrangement ( ) for operating a braking arrangement ( ) and a release chamber ( ) that can be acted upon by pressurised fluid from the pressure source ( ) against the force of the spring arrangement ( ) with the purpose of retaining the braking device ( ) in its release position, and comprises a braking control valve ( ) that, in a release position, releases a flow from the pressure source ( ) to the release chamber ( ).