Vibration resistant initiator assembly having exploding foil initiator
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F42B-003/10
F42B-003/12
F42B-003/195
출원번호
16705715
(2019-12-06)
등록번호
10871354
(2020-12-22)
발명자
/ 주소
Amendola, Michael A.
Reynolds, Richard K.
Nance, Christopher J.
출원인 / 주소
Reynolds Systems, Inc.
대리인 / 주소
Burris Law, PLLC
인용정보
피인용 횟수 :
0인용 특허 :
0
초록▼
An initiator assembly that includes a housing assembly, an exploding foil initiator, an input charge and an output charge. The housing assembly defines a first cavity, a second cavity, and a bulkhead member between the first and second cavities. The exploding foil initiator is received in the housin
An initiator assembly that includes a housing assembly, an exploding foil initiator, an input charge and an output charge. The housing assembly defines a first cavity, a second cavity, and a bulkhead member between the first and second cavities. The exploding foil initiator is received in the housing assembly and includes a bridge, a flyer and a barrel. The flyer overlies the bridge and is disposed between the barrel and the bridge. The barrel defines a barrel aperture. The input charge, which is formed of a secondary explosive, is received in the housing assembly and is disposed in-line with the barrel aperture. The output charge assembly is received in the housing assembly and is formed of a secondary explosive. Energy released from detonation of the input charge in response to operation of the exploding foil initiator penetrates the bulkhead and initiates detonation of the output charge.
대표청구항▼
1. An initiator assembly comprising: a housing assembly that defines a first cavity, a second cavity, and a structural wall that separates and provides a hermetic seal between adjacent ends of the first and second cavities;an exploding foil initiator received in the first cavity, the exploding foil
1. An initiator assembly comprising: a housing assembly that defines a first cavity, a second cavity, and a structural wall that separates and provides a hermetic seal between adjacent ends of the first and second cavities;an exploding foil initiator received in the first cavity, the exploding foil initiator having a bridge, a flyer and a barrel, the flyer overlying the bridge and being disposed between the barrel and the bridge, the barrel defining a barrel aperture;an input charge received in the first cavity and disposed in-line with the barrel aperture, the input charge being formed of a secondary explosive;an output charge disposed in the second cavity and formed of a secondary explosive;wherein the input charge is configured to detonate in response to receipt of kinetic energy of the flyer during operation of the exploding foil initiator, and wherein energy released from detonation of the input charge penetrates the structural wall and initiates detonation of the output charge. 2. The initiator assembly of claim 1, wherein the structural wall comprises a seal assembly and wherein the housing assembly includes a housing component into which the seal assembly is received, the seal assembly being disposed along the longitudinal axis of the barrel aperture between the input charge and the output charge, the seal assembly being sealingly engaged to the housing component. 3. The initiator assembly of claim 1, wherein the housing assembly includes a first housing structure, a second housing structure and a third housing structure, wherein the first and second housing structures are fixedly coupled to one another to form the first cavity, and wherein the second and third housing structures are fixedly coupled to one another to form the second cavity. 4. The initiator assembly of claim 1, further comprising a sleeve disposed about the input charge. 5. The initiator assembly of claim 1, wherein the output charge is formed as a single pellet that is formed of a compacted powdered material. 6. The initiator assembly of claim 1, wherein the housing assembly comprises a housing member and wherein the housing member defines the structural wall. 7. The initiator assembly of claim 6, wherein the housing assembly comprises a lid member that is fixedly coupled to the housing member to close the second cavity. 8. The initiator assembly of claim 7, wherein the lid member is bonded to the housing member. 9. The initiator assembly of claim 6, wherein the housing assembly includes a header assembly that is fixedly coupled to the housing member to close the first cavity. 10. The initiator assembly of claim 9, wherein the header assembly comprises a header body, a plurality of terminals received through the header body, and a plurality of seals that are sealingly engaged to the header body and an associated one of the terminals. 11. The initiator assembly of claim 10, wherein one of the housing member and the header body defines a shoulder and wherein the other one of the housing member and the header body is abutted to the shoulder. 12. The initiator assembly of claim 1, wherein the housing assembly comprises a housing member and wherein the structural wall is slidably disposed within the housing member. 13. The initiator assembly of claim 1, wherein the housing assembly comprises a header assembly, a housing member and a lid member, wherein the header assembly is coupled to the housing member to close the first cavity, wherein the housing member is coupled to the lid member to close the second cavity, and wherein the structural wall is unitarily and integrally formed with the housing member.
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