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:
Jan. 30, 2001
Filed:
Mar. 09, 2000
Applicant:
Inventors:
Klaus Reichel, Doms{umlaut over (u)}hl, DE;
Stefan Beetz, Idar-Oberstein, DE;
Assignee:
PNP Luftfedersysteme GmbH, Crivitz, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 3/300 ; F01C 9/00 ;
U.S. Cl.
CPC ...
H02K 3/300 ; F01C 9/00 ;
Abstract
Radial oscillating motors are generally fitted with an outer overflow oil line in order to protect sealing elements. This requires an over large amount of devices and system expenditure. Large amounts of installation space are also required for oscillating motors of this kind. The invention provides a radial oscillating motor wherein each bearing (,) is hydraulically connected to a discharge chamber (,) via a main duct (,) in addition to radial ducts (,) and axial ducts (,) in a driven shaft (,). A non-return valve opening out in the direction of the discharge chamber (,) is inserted into the ducts (,).