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    • 5. 发明授权
    • Initiator with loosely packed ignition charge and method of assembly
    • 起动器具有松散包装的点火充电和组装方法
    • US06408759B1
    • 2002-06-25
    • US09402868
    • 2000-02-29
    • David W. EwickBrendan M. Walsh
    • David W. EwickBrendan M. Walsh
    • F42B310
    • C06C7/00F42B3/121F42B3/13F42B3/195
    • An initiator (100) assembled from a housing (112), an output charge (144) and an initiation means (110, 120, 58, 54) includes a pulverulent ignition charge (46a) disposed in direct initiation relation to the initiation means, and an output charge (144) that may contain a pulverulent deflagration-to-detonation transition (DDT) charge (144a) and an explosive base charge (144b). The ignition charge (46a) has an average particle size of less than 10 microns, or even less than 5 microns, e.g., 1 to 2 microns. The initiation means may include a semiconductor bridge (18) and the ignition charge (46a) may be compacted with a force of less than about 5880 psi, e.g., with a force of 1000 psi. In another embodiment, an initiator (210) includes a low-energy electrical initiator (234), a loosely packed BNCP ignition charge (218) and a pyrotechnical output charge (214).
    • 从外壳(112),输出电荷(144)和启动装置(110,120,58,54)组装的起动器(100)包括与引发装置直接起动关系设置的粉状点燃电荷(46a) 以及可能包含粉状爆燃至爆炸过渡(DDT)电荷(144a)和爆炸性碱性电荷(144b)的输出电荷(144)。 点火电荷(46a)的平均粒度小于10微米,甚至小于5微米,例如1至2微米。 引发装置可以包括半导体桥(18),并且点火装料(46a)可以以小于约5880psi的力例如以1000psi的力压缩。 在另一个实施方案中,引发剂(210)包括低能电引发剂(234),松散包装的BNCP点燃电荷(218)和烟火输出电荷(214)。
    • 6. 发明授权
    • Shock-resistant electronic circuit assembly
    • 防震电子电路组件
    • US06311621B1
    • 2001-11-06
    • US09455548
    • 1999-12-06
    • Paul N. MarshallThomas C. TsekaBrendan M. WalshJames E. Fritz
    • Paul N. MarshallThomas C. TsekaBrendan M. WalshJames E. Fritz
    • F42C1908
    • F42C19/00F42B3/121H05K5/0204
    • A shock-resistant electronic circuit assembly (10) is provided in which an electronic circuit is encased in an encapsulation (14) that engages a surrounding enclosure (18) in shock-dispersing contact therewith. The encapsulation may have a plurality of edges (16, 16a, 16b), fins (24) or bosses (70) that bear against the enclosure. The encapsulation may include a shock-absorbing material (14f) disposed against the enclosure to protect the circuit against vibrations and a structural support material such as a casing (14e) to protect the circuit against stress. The circuit assembly (10) may be part of a sheathed initiator assembly (55) that includes a transfer member (58) for converting shock wave energy into electrical energy for the electronic circuit, and the released energy may be converted into a detonation initiation signal. Assembly (55) may be part of a detonator (100) that receives a non-electric initiation signal and detonates following the delay determined by the electronic circuit. The detonator housing (112) or an optional sleeve (22) provides an enclosure for the assembly (55). The circuit encapsulation may include one or more bushings such as O-rings (14g, 14g′) disposed about the circuit casing (14e).
    • 提供了一种抗冲击电子电路组件(10),其中电子电路被封装在与周围的外壳(18)接触的密封件(14)中。 封装可以具有承载在外壳上的多个边缘(16,16a,16b),翅片(24)或凸起(70)。 封装可以包括抵靠外壳设置的防震材料(14f),以保护电路免受振动,以及诸如壳体(14e)的结构支撑材料以保护电路免受应力。 电路组件(10)可以是包覆引发器组件(55)的一部分,其包括用于将冲击波能量转换成用于电子电路的电能的转移构件(58),并且释放的能量可以被转换成爆震启动信号 。 组件(55)可以是雷管(100)的一部分,其接收非电启动信号并且引发跟随由电子电路确定的延迟。 雷管壳体(112)或可选的套筒(22)提供用于组件(55)的外壳。 电路封装可以包括一个或多个套管,例如设置在电路外壳(14e)周围的O形环(14g,14g')。
    • 9. 发明授权
    • Shock-resistant electronic circuit assembly
    • 防震电子电路组件
    • US6079332A
    • 2000-06-27
    • US742296
    • 1996-11-01
    • Paul N. MarshallThomas C. TsekaBrendan M. WalshJames E. Fritz
    • Paul N. MarshallThomas C. TsekaBrendan M. WalshJames E. Fritz
    • F42C11/00F42B3/12F42C19/00H05K5/02F42C19/08F42C19/12
    • H05K5/0204F42B3/121F42C19/00
    • A shock-resistant electronic circuit assembly (10) is provided in which an electronic circuit is encased in an encapsulation (14) that engages a surrounding enclosure (18, 22) in shock-dispersing contact therewith. The encapsulation may have a plurality of edges (16, 16a, 16b), fins (24) or bosses (70) that bear against the enclosure. The encapsulation may include a shock-absorbing material (14f) disposed against the enclosure to protect the circuit against vibrations and a structural support material (14e) to protect the circuit against stress. The circuit assembly (10) may contain a capacitor (34) for storing an electrical signal and timing circuitry for releasing the stored energy after a predetermined delay. The circuit assembly (10) may be part of a transducer-circuit assembly (55) that includes a transducer module (58) for converting shock wave energy into electrical energy for the electronic circuit, and the released energy may be converted into a detonation initiation signal. Assembly (55) may be part of a detonator (100) that receives a non-electric initiation signal and detonates following the delay determined by the electronic circuit. The detonator housing (112) or an optional sleeve (22) provides an enclosure for the assembly (55).
    • 提供了一种抗冲击电子电路组件(10),其中电子电路被封装在与周围的外壳(18,22)接触的密封件(14)中,以与其进行缓冲接触。 封装可以具有承载在外壳上的多个边缘(16,16a,16b),翅片(24)或凸起(70)。 封装可以包括抵靠外壳设置的防震材料(14f),以保护电路免受振动和结构支撑材料(14e),以保护电路免受应力。 电路组件(10)可以包含用于存储电信号的电容器(34)和用于在预定延迟之后释放所存储的能量的定时电路。 电路组件(10)可以是换能器 - 电路组件(55)的一部分,其包括用于将冲击波能量转换成用于电子电路的电能的换能器模块(58),并且释放的能量可被转换成爆震开始 信号。 组件(55)可以是雷管(100)的一部分,其接收非电启动信号并且引发跟随由电子电路确定的延迟。 雷管壳体(112)或可选的套筒(22)提供用于组件(55)的外壳。