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:
Sep. 19, 2017
Filed:
Sep. 12, 2008
Applicants:
Hans-peter Harmann, Lindau, DE;
Norbert Koch, Ulm, DE;
Guenter Kornfeld, Elchingen, DE;
Inventors:
Assignee:
Thales Electronic Systems GmbH, Ulm, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64G 1/40 (2006.01); H05H 1/54 (2006.01); F03H 1/00 (2006.01);
U.S. Cl.
CPC ...
H05H 1/54 (2013.01); B64G 1/405 (2013.01); F03H 1/0062 (2013.01);
Abstract
The invention relates to a drive arrangement in a spacecraft, comprising several drive units (TW,TW,TW), several individually controllable drive units that can be continuously applied to a common, constant voltage potential (HV), and a control of the axial thrust in the respective drive units is achieved due to the fact that the production of plasma in the respective drive units is individually controlled. In particular, the time-variable control of the production of plasma occurs by the time-variable control of the flow of neutral working gas (AG) in the ionization chamber (IK).