20240010321. PYROTECHNIC DEVICES AND FIRING MECHANISMS FOR AIRCRAFT CANOPY JETTISON simplified abstract (The Boeing Company)

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PYROTECHNIC DEVICES AND FIRING MECHANISMS FOR AIRCRAFT CANOPY JETTISON

Organization Name

The Boeing Company

Inventor(s)

Matthew W. Walter of Troy MO (US)

PYROTECHNIC DEVICES AND FIRING MECHANISMS FOR AIRCRAFT CANOPY JETTISON - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240010321 titled 'PYROTECHNIC DEVICES AND FIRING MECHANISMS FOR AIRCRAFT CANOPY JETTISON

Simplified Explanation

The patent application describes pyrotechnic devices and firing mechanisms for aircraft canopy jettison. The example firing mechanism includes a housing with two bores and a channel between them, a primary charge in the second bore, a closure disc between the second bore and the channel, and a firing pin assembly in the first bore. The firing pin assembly consists of a percussion primer and a firing pin piston with a piston body, a firing pin, and a piercing pin. When a firing signal is received, the firing pin piston moves towards the primary charge, causing the piercing pin to puncture the closure disc and the firing pin to engage the percussion primer, igniting the primary charge.

  • The patent application describes a firing mechanism for aircraft canopy jettison.
  • The firing mechanism includes a housing, two bores, and a channel.
  • A primary charge is placed in one of the bores.
  • A closure disc is positioned between the bore with the primary charge and the channel.
  • A firing pin assembly is located in the other bore.
  • The firing pin assembly consists of a percussion primer and a firing pin piston.
  • The firing pin piston has a piston body, a firing pin, and a piercing pin.
  • When a firing signal is received, the firing pin piston moves towards the primary charge.
  • The piercing pin punctures the closure disc, allowing the firing pin to engage the percussion primer.
  • This ignites the primary charge, causing the canopy to be jettisoned.

Potential Applications

  • Aircraft canopy jettison systems
  • Emergency escape mechanisms for aircraft

Problems Solved

  • Provides a reliable and efficient firing mechanism for aircraft canopy jettison
  • Ensures quick and safe ejection of the canopy in emergency situations

Benefits

  • Improved safety for aircraft occupants during emergency situations
  • Quick and efficient canopy jettison process
  • Reliable firing mechanism for consistent performance


Original Abstract Submitted

pyrotechnic devices and firing mechanisms for aircraft canopy jettison are disclosed herein. an example firing mechanism includes a housing defining a first bore, a second bore, and a channel between the first bore and the second bore, a primary charge disposed in the second bore, a closure disc between the second bore and the channel, and a firing pin assembly disposed in the first bore. the firing pin assembly includes a percussion primer and a firing pin piston including a piston body, a firing pin extending from the piston body, and a piercing pin extending from the piston body. in response to a firing signal, the firing pin piston is moved toward the primary charge such that the piercing pin punctures the closure disc and the firing pin engages the percussion primer to ignite the primary charge.

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