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. 15, 1981
Filed:
Jun. 18, 1979
Applicant:
Inventors:
M Edmund Ellion, Arcadia, CA (US);
Preston S DuPont, Northridge, CA (US);
Robert A Meese, Torrance, CA (US);
Assignee:
Hughes Aircraft Company, , US;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02K / ;
U.S. Cl.
CPC ...
6020 / ; 602031 ;
Abstract
Specific impulse of hydrazine thruster is augmented by electrothermally heating the hot gas in heater passages 36 and 37 as it passes from hydrazine dissociation chamber 14 to thrust nozzle 28. Tubular ceramic electric resistance heater 31 performs primary heating. Specific impulse can be raised from 230 to 300 seconds.