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. 11, 2023
Filed:
Jul. 23, 2019
Applicant:
Eckerle Technologies Gmbh, Malsch, DE;
Inventors:
Reinhard Pippes, Bretten-Sprantal, DE;
Artur Bohr, Stuttgart, DE;
Assignee:
ECKERLE TECHNOLOGIES GMBH, Malsch, DE;
Primary Examiner:
Int. Cl.
CPC ...
F03C 2/00 (2006.01); F03C 4/00 (2006.01); F04C 2/00 (2006.01); F04C 23/00 (2006.01); F04C 2/10 (2006.01); F04D 13/12 (2006.01);
U.S. Cl.
CPC ...
F04C 23/005 (2013.01); F04C 2/101 (2013.01); F04D 13/12 (2013.01);
Abstract
A fluid delivery device has a primary pump and a main pump fluidically connected to the primary pump. The primary pump can be driven by a primary pump input shaft, the main pump can be driven by a main pump input shaft, and the primary pump input shaft and the main pump input shaft are mechanically coupled to a common drive shaft of the fluid delivery device. The primary pump is in the form of a non-compensated gear pump or a centrifugal pump and the main pump is in the form of a compensated internal gear pump.