Patent · US Active

Injection apparatus for a rocket engine

US11111882B2 · kind B2 · utility

0Cited by

6References

3Claims

0Family size

Assignee

ArianeGroup GmbH · DE

Inventors

Chris Udo Maeding · Unterschleißheim, DE
Axel Preuss · Kochel am See, DE
Jan Alting · Höhenkirchen-Siegertsbrunn, DE

Key dates

Filing date	May 31, 2017
Grant date	Sep 7, 2021
Priority date	—
Expiry date	Dec 12, 2038

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02K9/62
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

An injection apparatus for a rocket engine comprises an injection plate which delimits a combustion chamber upstream. The injection apparatus further comprises a plurality of coaxial injection elements distributed in the injection plate, each of which injection elements forms an inner outlet opening, delimited by a central sleeve body, for a first propellant component and an outer outlet opening for a second propellant component. The outer outlet opening is formed between the central sleeve body and a wall section which surrounds the central sleeve body in an annular manner. At least in a partial number of the injection elements, the central sleeve body projects from the wall section in the direction towards the combustion chamber. In particular, the central sleeve body projects relative to the injection plate into the combustion chamber.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.