US2022025744A1PendingUtilityA1

Soloset secondary igniter

Assignee: PYROTECHNICS RES CENTER LLCPriority: Jul 22, 2020Filed: Jul 22, 2021Published: Jan 27, 2022
Est. expiryJul 22, 2040(~14 yrs left)· nominal 20-yr term from priority
F42B 3/02E21B 23/065F42B 3/103E21B 43/11855
27
PatentIndex Score
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Claims

Abstract

A system for a self-ignitable secondary igniter. The system includes an outer wall extending for a length. The outer wall has a first end and a second end, and the outer wall is filled with a charge. The first end has a centralized-contact spring which is in contact with the outer wall. The centralized-contact spring has a recess and at least one leaf which contacts the outer wall. The system can further include an igniter coupled to the recess of the centralized-contact spring.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A system for a power charge, said system comprising:
 an outer wall extending for a length, wherein said outer wall comprises a first end and a second end;   wherein said outer wall is filled with a charge;   wherein said first end comprises a centralized-contact spring;   wherein said centralized-contact spring is in contact with said outer wall;   and wherein said centralized-contact spring comprises a recess;   and wherein said centralized-contact spring comprises at least one contact leaf.   
     
     
         2 . The system of  claim 1  further comprising an self-ignitable secondary igniter coupled with said recess. 
     
     
         3 . The system of  claim 1  wherein said igniter comprises a resistor or several resistors. 
     
     
         4 . The system of  claim 1  wherein said igniter is self-ignitable. 
     
     
         5 . The system of  claim 2  wherein the secondary igniter is casted in a metal cup. 
     
     
         6 . The system of  claim 5  wherein said cup has a bottom, wherein the bottom of said cup allows a flame to travel once set. 
     
     
         7 . The system of  claim 6  further comprising a resistor, and wherein said resistor is electrically coupled to said cup. 
     
     
         8 . The system of  claim 7  wherein the secondary igniter is inserted into said centralized spring. 
     
     
         9 . The system of  claim 8  wherein contact between the centralized spring to the wall of the chamber creates ground for firing.

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