| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 181 | PROTECTION DEVICE WITH A SANDWICHED CANTILEVER BREAKER MECHANISM | US13355648 | 2012-01-23 | US20120188668A1 | 2012-07-26 | Richard Weeks; Kent R. Morgan; Jeffrey C. Richards; David A. Finlay, SR.; Patrick J. Murphy |
| The present invention is directed to a protective electrical wiring device that includes a circuit assembly that has a fault detection circuit coupled to the plurality of line terminals, the fault detection circuit being configured to detect perturbations corresponding to a fault condition or a simulated fault condition, the fault detection circuit being configured to provide a fault detection signal in response to detecting the perturbations corresponding to the fault condition or the simulated fault condition. An interrupting contact assembly is coupled to the fault detection circuit, the interrupting contact assembly including a contact assembly configured to provide electrical continuity between the plurality of line terminals, the plurality of feed-through load terminals, and the plurality of receptacle load terminals in a reset state, and interrupt the electrical continuity in a tripped state in response to the fault detection signal, the contact assembly including a hot contact mechanism and a neutral contact mechanism configured to move in unison between the reset state and the tripped state, the hot contact mechanism including a first hot contact disposed at an end portion of a first hot arm, a second hot contact disposed at an end portion of a second hot arm, and a third hot contact disposed at an end portion of a third hot arm, the neutral contact mechanism including a first neutral contact disposed at an end portion of a first neutral arm, a second neutral contact disposed at an end portion of a second neutral arm, and a third neutral contact disposed at an end portion of a third neutral arm. | ||||||
| 182 | Fault Interrupting and Reclosing Device | US13405705 | 2012-02-27 | US20120166103A1 | 2012-06-28 | Richard G. Smith; Jason R. Bogusz; Michael G. Ennis; Gary W. Hardesty; Thomas E. Kovanko; Richard P. Mikosz; Andrew D. Pfister; Roy T. Swanson; Keith W. Benson, IV |
| A fault interrupting and reclosing device includes a circuit interrupter coupled to an actuator. The actuator includes at least one force generating element for generating an opening force for opening the circuit interrupter and for generating a restoring force to close the circuit interrupter. The device further includes a latch to engage the actuator to hold the contacts open once opened. In a preferred arrangement, the device is provided with an automatic mode of operation including a reclose process and a non-reclosing mode of operation. The device also preferably includes a method of determining the end-of-life of a vacuum interrupter monitors characteristics and/or parameters of a fault current or vacuum interrupter operation to predict a percent of life consumed with each fault current interruption operation. A cumulative percent of life consumed may also be determined, and an end-of-life may be predicted based upon the cumulative percent of life consumed. | ||||||
| 183 | Self testing ground fault circuit interrupter (GFCI) with end of life (EOL) detection that rejects false EOL information | US12801269 | 2010-06-01 | US08159794B2 | 2012-04-17 | John R. Baldwin; Robert Fanzutti; Daming Yu |
| A self test (ST) ground fault circuit interrupter (GFCI) provides improved end of life (EOL) detection by rejecting false EOL information. A processing device receives fault detection signals indicating when faults are detected, and input signals indicating when contacts used to interrupt power to a load are closed. The processing device rejects the fault detection signals when they fail to meet a selected condition and the contacts are closed, and declares end of life (EOL) when the selected condition is met. The fault detection signals can correspond to pulses at an output of a gated device between the processing device and a GFCI chip, and the selected condition can be a selected integer number of pulses. | ||||||
| 184 | SWITCHING-DEVICE REMAINING LIFETIME DIAGNOSIS METHOD AND APPARATUS | US13148817 | 2009-02-23 | US20120022797A1 | 2012-01-26 | Akihiko Maruyama; Yuko Maruyama; Katsuhiko Horinouchi |
| There are provided a switching-device remaining lifetime diagnosis method and a switching-device remaining lifetime diagnosis apparatus, wherein as status amount history data, there are accumulated status amounts related to a deterioration status of a switching device, estimated based on measurement data obtained through measurement of performance characteristics of the switching device; based on the accumulated status amount history data, there are created a plurality of system data pieces in which the status amounts are arranged with the respective abscissas of an elapsed time during an operation period of the switching device, the number of operations of the switching device, an inoperative time of the switching device, and an accumulated operation time of the switching device; based on the created system data pieces, the remaining lifetime of the switching device is estimated. | ||||||
| 185 | Protective device | US12966661 | 2010-12-13 | US08072718B2 | 2011-12-06 | Dejan Radosavljevic; Thomas N. Packard; Bruce F. Macbeth |
| The present invention is directed to a protective device that includes a plurality of line terminals and a plurality of load terminals, the plurality of load terminals including a plurality of hot load terminals and a plurality of neutral load terminals. The device also includes a circuit interrupter having four sets of moveable contacts, the four sets of moveable contacts being configured to couple the plurality of line terminal to the plurality of load terminals in a reset state and to decouple the plurality of line terminals from the plurality of load terminals in a tripped state. A test circuit includes an end of life detection circuit coupled to the plurality of line terminals or the plurality of load terminals by a switch mechanism associated with the four sets of moveable contacts. The test circuit includes a manually actuatable button and a fusible element, the fusible element assuming a permanently open state if the circuit interrupter does not enter the tripped state within a predetermined period after the manually actuatable button has been actuated. | ||||||
| 186 | PROTECTION DEVICE WITH A SANDWICHED CANTILEVER BREAKER MECHANISM | US13026845 | 2011-02-14 | US20110261490A1 | 2011-10-27 | Richard Weeks; Kent R. Morgan; Jeffrey C. Richards; David A. Finlay, SR.; Patrick J. Murphy |
| The present invention is directed to a protective electrical wiring device that includes a housing assembly having a plurality of receptacle terminals comprising hot user-accessible terminal structure and a neutral user-accessible terminal structure accessible via at least one user-accessible receptacle. A circuit interrupting assembly is coupled to a fault detection circuit. The circuit interrupting assembly is configured to establish electrical continuity between the plurality of line terminals, the plurality of load terminals and the plurality of receptacle terminals in a reset state and interrupt the electrical continuity in a tripped state. The circuit interrupting assembly includes at least one first circuit interrupter member and at least one second circuit interrupter member, the at least one first circuit interrupter member being configured to drive the at least one second circuit interrupter member into the reset state in response to a make force. The at least one first circuit interrupter member and the at least one second circuit interrupter member are counter-driven into the tripped state by a break force. At least one stop member is disposed in a substantially fixed position relative to the housing assembly. The at least one stop member is configured to limit the movement of the at least one second circuit interrupter member such that a gap between the at least one first circuit interrupter member and the at least one second circuit interrupter member is substantially equal to a predetermined distance in the tripped state. | ||||||
| 187 | Protection device with lockout test | US12235380 | 2008-09-22 | US07852607B2 | 2010-12-14 | Dejan Radosavljevic; Thomas N. Packard; Bruce F. Macbeth |
| The present invention is directed to a protective device that includes a detection circuit, a fault detection circuit, and a circuit interrupter assembly contacts configured to be driven into a tripped state in response to the trip actuation and driven into a reset state in response to a reset actuation. A reset mechanism is configured to provide the reset actuation in response to a user reset input. A test assembly includes a test circuit configured to generate a simulated electrical perturbation exceeding the predetermined level in response to a user test input and a test timing mechanism configured to drive the circuit interrupter into the tripped state and disable the reset mechanism if any one of the detection circuit, fault detection circuit, actuation assembly, or circuit interrupter assembly fail before a predetermined time elapses such that the device is permanently inoperable. | ||||||
| 188 | Self testing digital fault interrupter | US11198400 | 2005-08-08 | US07733617B2 | 2010-06-08 | John R. Baldwin; Sorin I. Mortun; Daming Yu |
| A self testing fault detector having a line side and a load side and a conductive path there between. The apparatus includes a solenoid, which is adapted to move a plurality of contacts disposed in the conductive path from a first position to a second position when the self testing device is powered from the line side; and a processor, which is adapted to energize the solenoid using a first switch and maintain said solenoid in the energized state using a second switch. | ||||||
| 189 | Ground fault circuit interrupters with miswiring or reverse wiring protection and end of life alarm signal | US11362040 | 2006-02-27 | US07633726B2 | 2009-12-15 | Huadao Huang; Huayang Lu |
| This invention provides protection against an electricity leak and prevents error in reverse wiring. Also, when the ground fault circuit interrupter has come to the end of its life and its functions fail, it can set off an alarm prompt signal, reminding the user to replace the interrupter in a prompt manner; when a certain part or accessory of the ground fault circuit interrupter fails, especially when the primary electromagnetic coil cannot work in a normal manner, the power output of the interrupter may be cut off through the secondary electromagnetic coil; or the test button may be pressed to mechanically cut off the power output of the interrupter. This invention has powerful applications, with good safe guard and is safe to use, thus effectively ensuring the personal safety of the user as well as the safety of the appliances. | ||||||
| 190 | Protection Device with Lockout Test | US12235380 | 2008-09-22 | US20090284880A1 | 2009-11-19 | Dejan Radosavljevic; Thomas N. Packard; Bruce F. Macbeth |
| The present invention is directed to a protective device the includes a plurality of line terminals and a plurality of load terminals. A detection circuit is coupled to the plurality of line terminals. The detection circuit is configured to generate a sensor signal in response to an electrical perturbation propagating on the plurality of line terminals and/or the plurality of load terminals. A fault detection circuit is coupled to detection circuit. The fault detection circuit is configured to generate a fault detection signal when the electrical perturbation exceeds a predetermined level. An actuation assembly is coupled to the fault detection circuit. The actuation assembly is configured to generate a trip actuation in response to the fault detection signal. A circuit interrupter assembly is coupled to the fault detection circuit. The circuit interrupter assembly includes a set of movable contacts configured to be driven into a tripped state in response to the trip actuation and driven into a reset state in response to a reset actuation. A reset mechanism is coupled to the circuit interrupter assembly. The reset mechanism is configured to provide the reset actuation in response to a user reset input. A test assembly is coupled to the plurality of line terminals and the plurality of load terminals, the detection circuit, the actuation circuit and the reset mechanism. The test assembly includes a test circuit configured to generate a simulated electrical perturbation exceeding the predetermined level in response to a user test input. The test assembly also includes a test timing mechanism coupled to the reset mechanism. The test timing mechanism is configured to drive the circuit interrupter into the tripped state and disable the reset mechanism if any one of the detection circuit, fault detection circuit, actuation assembly, or circuit interrupter assembly fail before a predetermined time elapses such that the device is permanently inoperable. | ||||||
| 191 | Protective Device with an Auxiliary Switch | US12493783 | 2009-06-29 | US20090262472A1 | 2009-10-22 | Richard Weeks; Gerald R. Savicki, JR. |
| The present invention is directed to a protective device that includes a housing having a plurality of line terminals, a plurality of load terminals, and a plurality of user-accessible terminals accessible via apertures disposed in a front major surface of the housing. A fault detection assembly is coupled to the plurality of line terminals, the fault detection circuit being configured to provide a fault detection output in response to detecting a fault condition. A circuit interrupter is coupled to the fault detection assembly. The circuit interrupter includes a first set of interrupting contacts configured to provide electrical continuity between the plurality of line terminals, the plurality of load terminals, and the plurality of user-accessible terminals in a reset state. The first set of interrupting contacts are decoupled in response to the fault detection output to enter a tripped state such that the plurality of line terminals are decoupled from the plurality of load terminals and the plurality of user-accessible terminals. An auxiliary switch is coupled to the fault detection assembly. The auxiliary switch includes a second set of contacts configured to decouple at least a portion of the fault detection assembly from a source of electrical power in the tripped state. The second set of contacts being self-biased toward a predetermined switch position when no force is applied thereto. A latch block assembly is coupled to the circuit interrupter. The latch block assembly includes a first latch block portion and a second latch block portion. The first latch block portion is configured to drive the first set of contacts to close when transitioning from the tripped state to the reset state. The second latch block portion is configured to overcome the self bias of the second set of contacts to thereby drive the second set of contacts open when transitioning from the reset state to the tripped state. | ||||||
| 192 | Protective Device with End-Of-Life Indication Before Power Denial | US12247848 | 2008-10-08 | US20090251148A1 | 2009-10-08 | David A. Finlay, SR.; Thomas N. Packard; Bruce F. Macbeth |
| The present invention is directed to an electrical wiring device that includes an automatic self-test assembly coupled to the plurality of line terminals or the plurality of load terminals, the detection circuit, the fault detection circuit and the circuit interrupter assembly. The automatic self-test assembly is configured to cause the detection circuit to generate a simulated sensor fault signal during a predetermined half-cycle of an AC line cycle in accordance with a predetermined periodic testing schedule, monitor the fault detection signal corresponding to the simulated sensor fault signal, and generate a test result signal based on monitoring the fault detection signal. The automatic self-test assembly also includes a noise immunized decision circuit configured to evaluate a plurality of test results to thereby provide a noise immunized end-of-life signal. One of the conductive paths that connects the plurality of line terminals and the plurality of load terminals being interrupted in response to the noise immunized end-of-life signal. | ||||||
| 193 | Intelligent life testing methods and apparatus for leakage current protection | US11588163 | 2006-10-26 | US07492559B2 | 2009-02-17 | Feng Zhang; Hongliang Chen; Fu Wang; Wusheng Chen; Yulin Zhang; Huaiyin Song |
| An apparatus for testing the life of a leakage current protection device having a leakage current detection circuit and a trip mechanism having a switch device. In one embodiment, the apparatus a ground fault simulation unit, a fault detector of the leakage current detection circuit and the trip mechanism, and a life testing detection control unit having an MCU for controlling operation of the fault detector. In operation, a first signal (pulse signal) is sent to the gate of the switching device to generate a first voltage at the cathode of the switching device, a second signal is sent to the ground fault simulation unit to generate a simulated ground fault for the leakage current detection circuit to generate a second voltage at the gate of the switching device, and the first and second voltages are measured to determine whether a fault exists in the leakage current detection circuit and the trip mechanism. | ||||||
| 194 | NOVEL CIRCUIT INTERRUPTING DEVICE WITH END OF LIFE TESTING FUNCTIONS | US11822562 | 2007-07-06 | US20080192393A1 | 2008-08-14 | Huadao Huang; Lu Huayang |
| The present invention provides a circuit interrupting device which comprises a novel reset mechanism to allow a user to test whether the device is wired properly. The novel reset mechanism includes a reset conducting apparatus which contains a reset start switch (KR-4). The KR-4 contains a first conducting pin, a second conducting pin, and a conducting bridge. When the reset button is depressed and the device is wired properly, the KR-4 is closed to allow the conducting bridge to be in contact with both the first and the second conducting pins so as to reset the device. The present invention also provides a circuit interrupting device which is capable of automatically checking the components of the circuit interrupting device (i.e., the end of life test) through a novel status test switch (KR-1). The KR-1 comprises a flexible metal piece and a simulated leakage current controlling resistor, which is located underneath of the flexible metal piece. When the circuit interrupting device is properly wired and at a tripped state, without touching any parts of the circuiting interrupting device, the KR-1 is closed which generates a simulated leakage current to allow the device to conduct the end of life test. If all of the components in the device are functioned properly, a reset indicating light is lit. | ||||||
| 195 | Circuit interrupting device with end of life testing functions | US11822562 | 2007-07-06 | US07411766B1 | 2008-08-12 | Huadao Huang; Lu Huayang |
| The present invention provides a circuit interrupting device which comprises a novel reset mechanism to allow a user to test whether the device is wired properly. The novel reset mechanism includes a reset conducting apparatus which contains a reset start switch (KR-4). The KR-4 contains a first conducting pin, a second conducting pin, and a conducting bridge. When the reset button is depressed and the device is wired properly, the KR-4 is closed to allow the conducting bridge to be in contact with both the first and the second conducting pins so as to reset the device. The present invention also provides a circuit interrupting device which is capable of automatically checking the components of the circuit interrupting device (i.e., the end of life test) through a novel status test switch (KR-1). The KR-1 comprises a flexible metal piece and a simulated leakage current controlling resistor, which is located underneath of the flexible metal piece. When the circuit interrupting device is properly wired and at a tripped state, without touching any parts of the circuiting interrupting device, the KR-1 is closed which generates a simulated leakage current to allow the device to conduct the end of life test. If all of the components in the device are functioned properly, a reset indicating light is lit. | ||||||
| 196 | Voltage surge protection device with a movable contact comprising selective disconnection means against short-circuits | US12007659 | 2008-01-14 | US20080186643A1 | 2008-08-07 | Eric Domejean |
| A voltage surge protection device comprises a voltage surge limiter and a disconnecting device with electric contacts. Said disconnecting device comprises a first connecting electrode electrically connected with a first connecting pad, a second connecting electrode electrically connected with a second connecting pad, and a third switching electrode electrically connected to the second connecting pad. An actuating mechanism moves the third electrode to cause continuous opening of the electric contacts. The protection device comprises a disconnector against short-circuit currents connected in series between the third electrode and the second connecting pad Said disconnector is disconnected from the circuit when an electric arc is switched between the first connecting electrode and the second connecting electrode. | ||||||
| 197 | Receptacle type ground-fault circuit interrupter | US11410657 | 2006-04-25 | US07408432B2 | 2008-08-05 | Jie Shi |
| A receptacle type ground-fault circuit interrupter (GFCI) device adapted for connecting to input lines, which includes a pair of input terminals for connecting to the input lines, a pair of receptacle outlets, a ground-fault current detector for detecting a ground fault condition on the input lines, a reset and trip device, and a self detecting and testing structure. The device further includes a normal working condition indicator and an end-of-life indicator. When the GFCI device is correctly wired and working properly, the device can be properly reset by a reset button. When the ground-fault is detected, the GFCI is put in a normal tripped state with no power output. When the input terminals and the output terminals are reversely wired, no power is output. If an input line is broken, no power is output. | ||||||
| 198 | Method and Device for Securely Operating a Switching Device | US11793498 | 2005-12-22 | US20080094156A1 | 2008-04-24 | Peter Hartinger; Ludwig Niebler; Fritz Pohl; Norbert Zimmermann |
| A method and a device are disclosed for the secure operation of a switching device including at least two main contacts which can be switched on and off and which include contact pieces and a displaceable contact bridge, and at least one control magnet which includes a displaceable anchor. The anchor acts upon the contact bridge when switched on and off such that the corresponding main contact is opened or closed. A switching contact, which has an on and off state corresponding to the closing and opening position of the anchor, is provided. In at least one embodiment, the method includes the following steps: a) an electric control signal which is used to release contact breaking device is produced when the control magnets are switched on and off. The control signal is emitted such that it lies outside the ON state of the switching contact during the regular operation of the switching device and b) the contact breaking device are released in the defective operation of the switching device if the switching contact remains in the ON state when the control magnets are switched on or off, wherein the switching contact connects through the control signal in order to release the contact breaking device. | ||||||
| 199 | Method and Device for the Safe Operation of a Switching Device | US11793697 | 2005-12-22 | US20080036561A1 | 2008-02-14 | Peter Hartinger; Norbert Mitlmeier; Ludwig Niebler; Fritz Pohl; Norbert Zimmermann |
| A method and device are disclosed for safely operating a switching device with at least one main contact, which can be switched on or off, and which has contact elements and a moving contact bridge, and with at least one control magnet, which has a moving armature. During switching on and off, the armature acts upon the contact bridge whereby closing and opening the corresponding main contact. At least one embodiment of the method includes the following: a) identifying whether the moving contact bridge of the at least one main contact has surpassed an opening point after the switching off; and b) interrupting the further operation of the switching device when the opening point has not been surpassed after a predetermined period of time. | ||||||
| 200 | Self testing ground fault circuit interrupter (GFCI) with end of life (EOL) indicator, secondary power supply for EOL and self test circuitry, and device for opening line hot when EOL occurs | US11443435 | 2006-05-31 | US07315437B2 | 2008-01-01 | Nelson Bonilla; John R. Baldwin; Robert Fanzutti; Daming Yu; Thomas Batko; Robert Youle |
| A self test (ST) ground fault circuit interrupter (GFCI) provides a half wave rectifier for powering circuitry for determining and annunciating end of life (EOL) of the GFCI regardless of a shorted diode bridge or opening of a printed circuit board (PCB) trace. A fuse resistor is provided to open before an open PCB trace can occur. A microprocessor-controlled heat-conducting circuit is provided adjacent to a thermal fuse to controllably open the thermal fuse and remove power from face receptacle contacts and load terminals when EOL occurs. | ||||||
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