| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 301 | Circuit interrupter operating mechanism having a chemical operator with stationary combustion chambers | US339604 | 1982-01-15 | US4451717A | 1984-05-29 | Ronald W. Crookston; Ivan T. Burney |
| An electric circuit interrupter comprising a pair of separable contacts, an operating mechanism for opening and closing the contacts and a drive mechanism including a cylinder-piston assembly and a gas pressure generator having multiple stationary combustion chambers and a directing device for selectively directing an expulsion of gaseous medium from any one of the multiple stationary combustion chambers. | ||||||
| 302 | Current sensor responsive to symmetrical and asymmetrical currents and current limiting protector utilizing same | US271580 | 1981-06-08 | US4443854A | 1984-04-17 | Herbert M. Pflanz; Albert B. Lester |
| A current limiting protector for use in electric power transmission lines includes a conductive strip of material and a chemical charge for physically interrupting the conductive strip in response to a fault current. A current sensor triggers the chemical charge when the line current is symmetrical and the RMS value of the line current exceeds a first value, and the current sensor triggers the chemical charge when the line current is asymmetrical and the RMS value of line current exceeds a second value. | ||||||
| 303 | Pyrolytic cartridge interruption assistance actuator for puffer breaker | US87403 | 1979-10-22 | US4354072A | 1982-10-12 | Heinz O. Noeske |
| A puffer breaker employs a low energy actuating mechanism during normal opening and closing operation and a pyrolytic cartridge actuating mechanism for high speed operation under fault conditions. A current detector is provided in circuit with the puffer breaker to control operation of the actuating mechanisms, so that whenever a fault condition is detected, the pyrolytic cartridge actuating mechanism rapidly opens the circuit breaker. | ||||||
| 304 | Laser-triggered chemical actuator for high voltage isolation | US144651 | 1980-04-28 | US4343242A | 1982-08-10 | Steven Welk |
| A trigger system for chemical actuators, e.g. of the type used for high voltage isolation, is disclosed. A light source, preferably a laser, emits a powerful, highly concentrated pulse of light energy. The pulse is conveyed by fiber optics to a chemical explosive charge, which it detonates. Because the fiber optics used are excellent electrical insulators, it is possible to locate all of the trigger system except the output end of the fiber optics at ground potential, eliminating the need for shielding the trigger system against high-voltage noise. | ||||||
| 305 | Explosively-actuated switch and current limiting, high voltage fuse using same | US21646 | 1979-03-19 | US4342978A | 1982-08-03 | Otto Meister |
| A high speed high voltage electrical switch opens a current path in which the switch is included. The switch includes first and second normally electrically interconnected contacts which normally carry current in the current path. The contacts are relatively movable along a fixed line of direction. When the contacts move apart, the electrical interconnection therebetween is broken to open the first current path. A piston carried by the second contact defines an enclosed chamber in conjunction with the first contact when the contacts are interconnected. A power cartridge or the like selectively pressurizes the chamber to rapidly drive the contacts apart. The piston enhances the action of the power cartridge by ensuring that pressure increases caused thereby are effected to drive the contacts apart. The piston may be configured to ensure positive sealing engagement with the walls of a cylinder through which the piston and the second contact move following the ignition of the power cartridge. Moreover, the piston may be made of an ablative arc-extinguishing material so that following movement apart of the contacts, any arc formed between the contacts is constricted by the piston which evolves arc-extinguishing gas to ultimately extinguish the arc. | ||||||
| 306 | Electrical switch | US197199 | 1980-10-15 | US4339638A | 1982-07-13 | Daniel J. Lascelles; Jack M. Walker |
| An electrical switch includes a body having one open end exposed for adaptation of a pyrotechnic cartridge and the other end sealed by the base of a pin type connector assembly having short conductive pins and elongated conductive pins with relief areas containing insulative material. The pins are inserted into the body cavity. A conductive grounding plate or plates have tabs which bite into the pins and connect selected pins in a first operational state. A plunger having fracturable bosses is located adjacent the contact plate. Upon activation of a pyrotechnic cartridge, pressure is applied to the plunger, causing fracture of the bosses and resulting in the displacement of the plunger to move the contact plate to a different position thereby changing the number of closed circuits. | ||||||
| 307 | High-voltage single-shot circuit-protecting device with fuse-like characteristics and having a chemical operating mechanism | US881954 | 1978-02-27 | US4275431A | 1981-06-23 | Raymond F. Swoish; John J. Astleford, Jr. |
| An improved high-voltage, single-shot circuit-protector device, having fuse-like characteristics, and having a chemical operating mechanism, is provided to protect, at low-cost, transmission-line circuits. Preferably, the device contemplates the use of a single-pressure puffer-interrupter having a driving piston attached to the movable contact structure and operated by a chemical operator having an explosive element. Also, preferably, the aforesaid device is self-contained and self-operable, utilizing, preferably, a current-transformer, which triggers a self-contained static control circuit, the latter effecting the "firing" of the explosive element of the chemical operator to thereby generate gas pressure very quickly, and thus effect an opening operation of the contact-operating piston and the attached movable contact structure. For repetitive use, a manual reset lever is preferably provided which is capable of manual hook-stick operation. The chemical operator element is replaceable, being also capable of manual hook-stick replacement by service personnel. | ||||||
| 308 | Circuit breaker operating mechanism | US945369 | 1978-09-25 | US4271341A | 1981-06-02 | Thomas N. Meyer |
| A circuit interrupter characterized by a pair of separable contacts, operating means for opening and closing the contacts and comprising a piston for opening the contacts, the piston being operative at a range of 3,000 to 10,000 psi, generating means comprising a solid expulsive charge when ignited for moving the piston to the contact-open position, an igniter for the operating means, a primer for the igniter comprising a mixture of flammable material, means for producing an electric charge in the primer, and spring means for returning the piston to the contact-closed position. | ||||||
| 309 | Circuit interrupter | US880268 | 1978-02-23 | US4251701A | 1981-02-17 | Thomas N. Meyer |
| A circuit interrupter characterized by a pair of separable contacts with operating means for opening and closing the contacts and comprising a cylinder and piston mechanism which cylinder has opening means at each end of the cylinder chamber. Rotatable means are provided at each end of the cylinder and have a plurality of spaced chambers which are sequentially alignable with the opening means. Means are also provided in each chamber for generating a sudden expulsion of gas against the piston and the rotatable means at each end of the cylinder being simultaneously rotatable. The circuit interrupter is also characterized by an adapter means for converting the gas from a high to low pressure status to operate the piston. | ||||||
| 310 | Tank-type gas-break circuit breaker | US3787648D | 1971-12-29 | US3787648A | 1974-01-22 | KAWASAKI K |
| The break contacts in a tank-type gas-break circuit breaker are disposed in a high-pressure gas chamber formed in a sectionalized state within a tank constituting a low-pressure gas chamber and are coupled via an operating rod of insulative material passing through the low-pressure gas chamber to a piston of a piston mechanism disposed outside of the tank, a driving device operating in response to a tripping command to impart an initial impulsive driving force for opening the break points to the piston.
|
||||||
| 311 | Electro-mechanical release device for percussion priming of cartridges | US3762087D | 1972-06-05 | US3762087A | 1973-10-02 | STRUBIN H |
| A release device for percussion priming of a propellant charge contained within a cartridge, particuarly for use in conjunction with piston-operated switchgear drives, includes a striker pin for a detonator cap that primes the cartridge. The striker pin is secured to the armature element of a holding magnet and is held in a position of rest away from the cap by magnetic attraction of the armature to a pole shoe of the magnet against a counter mechanical force created by compression of a spring. Release of the striker pin is effected by a temporary weakening of the effective magnetic field produced by the holding magnet which in turn releases the armature and striker pin assembly for movement under the force stored in the compressed spring to detonate the cap.
|
||||||
| 312 | Electropyrotechnic link | US3660794D | 1970-05-07 | US3660794A | 1972-05-02 | BRIZZOLARA HENRY M |
| An electropyrotechnic link having two connectors held together by a ring of fusible material. When the ring is melted by heat, the two connectors separate. The heat may come from an external source such as a fire or from an electrically activated burner positioned so as to melt the ring if activated.
|
||||||
| 313 | Circuit breaker with liquid arc quenching | US44201665 | 1965-03-23 | US3384724A | 1968-05-21 | OTTO MARX ERWIN; ERICH GROSSKOPE RUDOLF; WILFRIED KRUCKEWITT; HOLGER ANN; ADIL ERK; LUDWIG SCHMITZ; KLAUS MOLLENHOFF |
| 314 | Quick-acting switch arrangement for a high tension transformer | US54989266 | 1966-05-13 | US3377511A | 1968-04-09 | JOSEF RICHTR; KAREL PROCHAZKA |
| 315 | Mechanism for operating electric switches in cooperation with electric fuses | US44686465 | 1965-04-09 | US3264434A | 1966-08-02 | CHRISTIAAN CLASON JAN |
| 316 | Safety switch for preventing voltages below a predetermined value in a circuit | US34635864 | 1964-02-20 | US3262389A | 1966-07-26 | BRYLA THEODORE N; JACKS FLOYD E; HILLYER ROBERT M |
| 317 | Explosive actuated circuit breaker | US18965562 | 1962-04-23 | US3118986A | 1964-01-21 | LEWIS HENRY W; BERGEN LAYTON A |
| 318 | Thermally controlled safety switch | US55637455 | 1955-12-29 | US2798921A | 1957-07-09 | HAAS JOHN W |
| 319 | Switch | US52356455 | 1955-07-21 | US2790877A | 1957-04-30 | EVANS RICHARD C; ROSENBERG NORMAN H |
| 320 | Motive mechanism utilizing catalytically decomposable material | US18485050 | 1950-09-14 | US2605609A | 1952-08-05 | BUSH RALPH R |
QQ群二维码
意见反馈
意见反馈