公开(公告)号：US3638061A

公开(公告)日：1972-01-25

申请号：US3638061D

申请日：1970-07-15

Applicant: HUGHES AIRCRAFT CO

Inventor： LUTZ MICHAEL A ,  KNECHTLI RONALD C

IPC: H01J17/14 ,  H01J17/26 ,  H01J7/16 ,  H01J7/20

CPC classification number: H01J17/26 ,  H01J17/14

Abstract: In the absence of appropriate means for controlling the gas pressure, the time during which a crossed-field electrical switch can conduct is limited by the rapid pumping action of the discharge. The present invention discloses a crossed-field discharge switch in which pressure control is accomplished by selection of gas and electrode materials to minimize gas losses, and means is provided for adding additional gas, if needed. This structure permits a crossed-field electrical switch device to conduct for reasonable lengths of time without off-switching due to gas losses.

Abstract translation: 在没有用于控制气体压力的适当方法的情况下，交叉场电气开关可以传导的时间受到放电的快速泵送作用的限制。 本发明公开了一种交叉场放电开关，其中通过选择气体和电极材料来实现压力控制以最小化气体损失，并且如果需要，提供用于添加额外气体的装置。 这种结构允许交叉场电气开关装置在合理的时间段内进行导通，而不会由于气体损耗而断开切换。

公开(公告)号：US3678289A

公开(公告)日：1972-07-18

申请号：US3678289D

申请日：1971-08-18

Applicant: HUGHES AIRCRAFT CO

Inventor： LUTZ MICHAEL A ,  HOFMANN GUNTER A G

IPC: H01H36/00 ,  H01J17/14 ,  H01H35/00

CPC classification number: H01J17/14 ,  Y10T307/773

Abstract: A conducting crossed-field switching device in a high voltage circuit can be offswitched by temporarily reducing the magnetic field to non-conductive conditions. While high voltage rises across the offswitching crossed-field device, the magnetic field strength-reducing pulse dissipates, but the conditions in the interelectrode space remain non-conductive.

Abstract translation: 高电压电路中的导通交叉场开关器件可以通过将磁场临时减小到非导通条件来分离。 虽然高压在跨越交叉场的器件上升高，但是减小磁场强度的脉冲是消散的，但电极间空间的条件保持不导通。

公开(公告)号：US3876905A

公开(公告)日：1975-04-08

申请号：US38611573

申请日：1973-08-06

Applicant: HUGHES AIRCRAFT CO

Inventor： LUTZ MICHAEL A ,  HOFFMANN GUNTER A G

IPC: H01J17/14 ,  H01J1/50

CPC classification number: H01J17/14

Abstract: The crossed-field switch device has electrodes, and particularly an outer cathode electrode which in its main body has sufficient mechanical strength to serve as the device envelope and has an interior coating of a refractory material to resist sputtering. The method of producing the electrodes includes sputtering, when the anode is positioned within the cathode in normal device assembly.

公开(公告)号：US3890520A

公开(公告)日：1975-06-17

申请号：US50838974

申请日：1974-09-23

Applicant: HUGHES AIRCRAFT CO

Inventor： LUTZ MICHAEL A ,  HOLLY ROBERT

IPC: H01J17/14 ,  H01J17/40

CPC classification number: H01J17/14

Abstract: Continuously energized field emission device injects electrons into the interelectrode space of a crossed-field switch tube to eliminate the dependence upon statistical electrons for initiation of a discharge.

Abstract translation: 连续通电的场发射器件将电子注入到交叉场开关管的电极间空间中，以消除对用于引发放电的统计电子的依赖性。

公开(公告)号：US3868550A

公开(公告)日：1975-02-25

申请号：US42863673

申请日：1973-12-26

Applicant: HUGHES AIRCRAFT CO

Inventor： KNAUER WOLFGANG ,  LUTZ MICHAEL A

IPC: H01H33/59 ,  H02H9/02 ,  H03K17/73 ,  H02H7/22

CPC classification number: H02H9/02 ,  H01H33/596 ,  H03K17/73

Abstract: The circuit breaker interrupts current against a high voltage source by opening an in-line switch and causing termination of conduction therethrough by discharging a parallel capacitor to produce a current zero. The parallel capacitor has a crossedfield switch in series therewith to control the rate of voltage application to the parallel in-line switch, and, furthermore, to limit the voltage applied to the capacitor to a small fraction of the full circuit voltage.

Abstract translation: 断路器通过打开一个在线开关并通过放电并联电容器来产生电流零点来中断通过其的导通来中断针对高电压源的电流。 并联电容器具有串联的交叉场开关以控制对并联在线开关的施加电压的速率，此外，将施加到电容器的电压限制在全电路电压的一小部分。

公开(公告)号：US3660723A

公开(公告)日：1972-05-02

申请号：US3660723D

申请日：1971-03-09

Applicant: HUGHES AIRCRAFT CO

Inventor： LUTZ MICHAEL A ,  LONG WILLIS F

IPC: H01H33/59

CPC classification number: H01H33/596

Abstract: The current transfer circuit transfers current in a high voltage DC circuit breaker from an in-line switching device which carries the current in normal conduction to a shunt current interrupter which is capable of increasing the breaker impedance to break the high voltage DC circuit. The current transfer device employs first and second serially connected in-line switches, the first of which has a serially connected precharged capacitor, switch, and inductor paralleled therearound to force commutate the first in-line switch to transfer current to the shunt current interrupter. The first switch and the forced commutation equipment need only be of sufficient voltage rating to withstand the initial conduction voltage across the shunt current interrupter. Opening of the second switch isolates the first switch and the forced commutation equipment from the line voltage.

Abstract translation: 电流传输电路将高电压直流断路器中的电流从串联开关装置传输，其将正常导通的电流传送到能够增加断路器阻抗以断开高压DC电路的分流电流中断器。 电流传输装置采用第一和第二串联连接的在线开关，其中第一和第二串联开关具有串联连接的预充电电容器，开关和并联在其上的电感器，以迫使第一直列开关换向，以将电流传输到分流电流中断器。 第一开关和强制换向设备仅需要具有足够的额定电压，以承受分流电流断续器两端的初始导通电压。 第二开关的断开将第一开关和强制换向设备与线路电压隔离。

公开(公告)号：US3611031A

公开(公告)日：1971-10-05

申请号：US3611031D

申请日：1970-06-11

Applicant: HUGHES AIRCRAFT CO

Inventor： LUTZ MICHAEL A

IPC: H01H33/59 ,  H02H3/02 ,  H02H7/22

CPC classification number: H01H33/596 ,  H02H3/021

Abstract: The circuit breaker for high-voltage, high-current DC circuits comprises at least two serially connected transfer switches, an electronic switch connected in parallel across each of said transfer switches, an energy absorbing resistor connected in parallel across each electronic switch except the last electronic switch so that successive opening of the first transfer switch and first electronic switch, followed by successive opening of the remaining transfer switches and electronic switches, causes current reduction and subsequent interruption.