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. 20, 1988
Filed:
Jun. 01, 1987
Applicant:
Inventor:
Johann Spies, Stuhr, DE;
Assignee:
Erno Raumfahrttechnik GmbH, Bremen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02K / ;
U.S. Cl.
CPC ...
60259 ; 60260 ; 602701 ;
Abstract
A rocket propulsion system working with cryogenic fuel is modified by supersonic and hypersonic flight wherein air is sucked in to be used in lieu of the oxidizer in the rocket system. Hybrid operation is provided for.