// PROPULSION SYSTEMS AND ENGINE TECHNOLOGY TERM
Torch Igniter
A torch igniter is a small, self-contained device that produces a robust, sustained flame, similar to a mini torch. This flame is then used to reliably ignite the main fuel and oxidizer mixture within a larger engine's combustion chamber, such as in jet engines or rocket engines.
TECHNICAL DEFINITION
A torch igniter is a critical aerospace propulsion component engineered to initiate combustion in a primary combustion chamber, specifically within gas turbine engines or rocket engines, by producing a stable, high-energy pilot flame from its own fuel and oxidizer supply. This specialized igniter ensures consistent, robust ignition of the main propellant flow, essential for engine startup and reliable re-ignition sequences.
BACKGROUND
A hybrid-propellant rocket is a rocket with a rocket motor that uses rocket propellants in two different phases: one solid and the other either gas or liquid. The hybrid rocket concept can be traced back to the early 1930s.
READ MORE ON WIKIPEDIASYNONYMS & ALIASES
- Pilot igniter
- Igniter torch
- Pre-burner igniter
- Main igniter
- Spark igniter with pilot
USAGE NOTE
Torch igniters are commonly used in gas turbine and rocket engines to ensure a reliable ignition source, particularly during engine startup and re-light attempts at various operating conditions.
DEVELOPERS
Organizations developing technology related to Torch Igniter.
A leading U.S. manufacturer of aerospace propulsion systems, developing and utilizing various advanced igniter technologies, including torch igniters, for their liquid and solid rocket engines.
Develops and manufactures its own rocket engines, such as Merlin and Raptor, which incorporate sophisticated ignition systems, potentially including torch igniters, for reliable engine startup.
Focuses on rocket engine development (e.g., BE-3, BE-4) requiring robust and reliable ignition systems, often leveraging technologies like torch igniters for precise combustion initiation.
A major manufacturer of aircraft engines, developing advanced ignition systems for turbofan and turboprop engines, which can include torch igniter concepts for efficient combustion.
A global leader in jet engine manufacturing, investing in research and development of highly reliable ignition systems for their commercial and military aircraft engines, including advanced igniter designs.
Provides a wide range of aerospace propulsion solutions, including solid rocket motors and liquid propulsion systems, which integrate advanced and reliable ignition technology, such as torch igniters.
Through its Safran Aircraft Engines and ArianeGroup divisions, it develops both aircraft engines and rocket propulsion systems, requiring cutting-edge ignition technologies for performance and reliability.
A joint venture between Airbus and Safran, developing and supplying propulsion systems for the Ariane launch vehicles, where advanced and reliable ignition systems, including torch igniters, are critical for engine operation.