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. 25, 2003
Filed:
Mar. 01, 2001
Applicant:
Inventor:
Georg Neumair, Thalhausen, DE;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 1/703 ; F04B 3/504 ;
U.S. Cl.
CPC ...
F04B 1/703 ; F04B 3/504 ;
Abstract
A motor pump aggregate M has a housing defining an oil reservoir with first and second chambers R , R . An electromotor is driving via its motor shaft W at least one radial piston pump arrangement P provided within said first chamber R . Both chambers R , R are separated by a separation wall . A filling and pressure biasing system V is provided for said first chamber R in order to adjust within said first chamber R a predetermined oil filling level and a pre-selected oil pressure pre-biasing for said radial piston pump arrangement P