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:
Apr. 09, 2024
Filed:
Nov. 18, 2022
Applicant:
Still Gmbh, Hamburg, DE;
Inventor:
Markus Schwab, Moelln, DE;
Assignee:
STILL GmbH, Hamburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 11/17 (2006.01); B66F 9/22 (2006.01); F15B 13/02 (2006.01); F15B 15/18 (2006.01);
U.S. Cl.
CPC ...
F15B 11/17 (2013.01); B66F 9/22 (2013.01); F15B 13/027 (2013.01); F15B 15/18 (2013.01);
Abstract
A hydraulic system () for an industrial truck, in particular an electrically operated, battery-powered industrial truck, includes a lift drive () to raise and lower a load handling device. The hydraulic system () has a first hydraulic pump () which is configured to supply the lift drive () with hydraulic fluid, and a second hydraulic pump () which can be switched on by means of a valve device () for the supply of the lift drive (). The first hydraulic pump () and the second hydraulic pump () are configured as a hydraulic double pump unit () and the valve device () is integrated into the hydraulic double pump unit ().