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:
Aug. 14, 2001
Filed:
Jan. 09, 2001
Abstract
The invention concerns an acoustic igniter for igniting a mixture of rocket fuels in a liquid propellant rocket engine combustion chamber comprising a cylindrical precombustion chamber (,) including a cylindrical wall (,) and first and second end walls (,), a rocket fuel injection nozzle (,) emerging into the precombustion chamber (,) through the first end wall (,) via an orifice of diameter d,, a rocket fuel injector (,) arranged inside said nozzle (,) along the axis thereof, at least an outlet orifice (,) of minimum diameter d,provided in the cylindrical wall (,), an acoustic resonator (,) defining a cavity opening into the precombustion chamber (,) opposite the nozzle (,), through the second end wall (,), via an orifice (,) of diameter d,. The acoustic resonator (,) is enclosed by a housing (,) which defines around the acoustic resonator (,) a closed auxiliary chamber (,) which communicates only with the precombustion chamber (,) by at least one conduit (,).