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:
Mar. 27, 2001
Filed:
Feb. 16, 1999
Applicant:
Inventor:
Bernhard Zervas, Oberursel, DE;
Assignee:
Aeroquip-Vickers International GmbH, Baden-Baden, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 3/102 ;
U.S. Cl.
CPC ...
F16D 3/102 ;
Abstract
The invention related to a drive system with at least two hydraulic actuators, which are supplied with a hydraulic fluid by means of at least one pump. The drive system comprises at least one further second pump (,) arranged parallel to the first pump (,), wherein the pumps are bi-directionally speed-regulated, and a valve arrangement (,) with one inlet per pump (,), wherein each one of the inlets is connected to a pump (,), and with a number of outlets (,) which are connected to the actuators (,), wherein the inlets (,) can be connected to the outlets (,) in a pre-determined manner.