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. 06, 2024
Filed:
Dec. 03, 2019
Applicant:
Schwing Gmbh, Herne, DE;
Inventors:
Andreas Lehmann, Moers, DE;
Friedrich Schwing, Herten, DE;
Assignee:
SCHWING GMBH, Herne, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 1/02 (2006.01); F04B 17/00 (2006.01); F04B 9/109 (2006.01); F04B 15/02 (2006.01);
U.S. Cl.
CPC ...
F04B 1/02 (2013.01); F04B 9/109 (2013.01); F04B 15/02 (2013.01); F04B 17/00 (2013.01);
Abstract
The invention relates to a method for operating a piston pump with a differential cylinder drive () with at least two differential cylinders () for driving at least two conveying pistons movable in conveying cylinders, each conveying piston being driven via an associated differential cylinder () of the differential cylinder drive () for operating the piston pump, with a hydraulic circuit () for driving the differential cylinder drive () by the action of hydraulic fluid. The invention also relates to a piston pump for carrying out the method.