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:
Jun. 14, 2022
Filed:
Nov. 17, 2017
Safran Helicopter Engines, Bordes, FR;
François Danguy, Moissy-Cramayel, FR;
Laurent Paul Lattanzio Fabbri, Moissy-Cramayel, FR;
Romain Maurice Henri Yannick Gauthier, Moissy-Cramayel, FR;
Didier Paul Saucereau, Moissy-Cramayel, FR;
Safran Helicopter Engines, Bordes, FR;
Abstract
A pyrotechnic device comprising a main pyrotechnic charge, a firing device for firing the main pyrotechnic charge, a discharge passage for discharging the gas generated by firing the main pyrotechnic charge, and an injector device configured to inject a cooling fluid into said gas discharge passage, so as to deliver gas, specifically for driving turbines, at temperatures that are relatively low, and a method of cooling gas generated by firing the main pyrotechnic charge by injecting the cooling fluid.