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:
Oct. 28, 2003
Filed:
Dec. 13, 2001
Applicant:
Inventor:
Helmut Gegalski, Mülheim-Kärlich, DE;
Assignee:
Lucas Varity GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 1/700 ; F04B 3/504 ;
U.S. Cl.
CPC ...
F04B 1/700 ; F04B 3/504 ;
Abstract
The pumping set comprises an electric motor ( ), the output shaft ( ) of which is drivingly connected to a piston pump arrangement ( ) for delivering hydraulic fluid. To prevent hydraulic fluid, which escapes at the piston pump arrangement ( ) during operation, from passing into the interior ( ) of the electric motor ( ), a collecting region ( ) is provided, which is connected to a storage chamber ( ) in order to receive hydraulic fluid therein.