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:
Dec. 05, 2006
Filed:
May. 03, 2004
Applicants:
Roland Schempp, Vaihingen, DE;
Lars Olems, Stuttgart, DE;
Inventors:
Roland Schempp, Vaihingen, DE;
Lars Olems, Stuttgart, DE;
Assignee:
Bosch Rexroth AG, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 7/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
What is disclosed is a lifting magnet assembly for a servo valve or control valve comprising a proportional magnet which acts on a valve spool of the control valve or servo valve through a tappet. Between the spool and the proportional magnet a failsafe magnet is provided which is penetrated or encompassed by the tappet of the proportional magnet.