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. 14, 2006
Filed:
Jun. 29, 2001
Applicant:
Ralf Lemmen, Tuebingen, DE;
Inventor:
Ralf Lemmen, Tuebingen, DE;
Assignee:
Brueninghaus Hydromatik GmbH, Elchingen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 23/06 (2006.01); F04B 41/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a hydraulic system () comprising a main pump () and a precompression pump (), whereby the outlet () of the precompression pump () is connected by a connecting line () to the inlet () of the main pump (). The outlet () of the main pump () can be connected by a working line () to a consumer (A, B). The volume flow at the inlet () of the main pump () is changeable. The aim of the invention is to achieve greater efficiency. The precompression pump () comprises an adjusting device () for adjusting the flow rate.