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. 23, 2007
Filed:
May. 28, 2004
Applicants:
Erich Bott, Hollstadt, DE;
Wolfgang Schneider, Fulda, DE;
Holger Schunk, Lendershausen, DE;
Rolf Vollmer, Gersfeld, DE;
Inventors:
Erich Bott, Hollstadt, DE;
Wolfgang Schneider, Fulda, DE;
Holger Schunk, Lendershausen, DE;
Rolf Vollmer, Gersfeld, DE;
Assignee:
Siemens Aktiengesellschaft, München, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 37/14 (2006.01); H02K 37/24 (2006.01); H02K 41/02 (2006.01); H02K 41/03 (2006.01); H02K 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A drive system includes a rotary drive unit for rotating a shaft and a linear drive unit for moving the shaft in a linear direction. To improve efficiency and shelf life, an energy storage is mechanically connected to the shaft for biasing the shaft to seek a linear movement in opposition to the linear direction. The energy storage absorbs the kinetic energy of the shaft and releases it again subsequently.