101 |
보온등용 전원 차단기 |
KR1020050085125 |
2005-09-13 |
KR100668720B1 |
2007-01-16 |
김기주 |
A power circuit breaker for a thermal lamp is provided to prevent the generation of a problem due to a short circuit of the thermal lamp by blocking moisture or water from being permeated by a sealant. Left/right housings(100,200) have an inlet unit of a power supplying cable and an outlet of a power output cable, and are dissembled and combined by a connection member. A power switch(30) is exposed to a side of the housings(100,200), and is fixed. A micro switch(40) is fixed on the inside of the housings(100,200). An on/off operation unit is connected to a fixed body of the housing and a stall, and is moved by an extension force of a spring(60). The on/off operation unit enables the micro switch(40) to be switched off. The spring(60) is connected to the on/off operation unit, and is compressed by the on/off operation unit through a weight of a thermal lamp. The spring(60) is extended to move the on/off operation unit when the weight of the thermal lamp is released. An insulator is connected to a lower end of the housings(100,200), and is electrically connected to power through the power switch(30) and the micro switch(40). The thermal lamp is electrically connected to the insulator. A protection cover of the thermal lamp is connected to the lower end of the housings(100,200) and protects the thermal lamp. |
102 |
Configurable modular intelligent electronic overload device and system with embedded programming tool |
US14078196 |
2013-11-12 |
US09779902B2 |
2017-10-03 |
William H. Martin; Eric Norrod; Eric M. Waydick; Theron Kotze; James J Flood; Keith D Carter |
A modular intelligent electronic overload device that requires only a single configuration file to describe the device with all of the available options. Furthermore, the modular intelligent electronic overload device contains embedded application files that provide commonly used control algorithms into the non-volatile memory of the modular intelligent electronic overload device that can be accessed by a user to configure the device without the need for a personal computer. Finally, the modular intelligent electronic overload device configuration parameters can be stored to virtual non-volatile memory contained in an associated user interface device, allowing for easy replacement of the modular intelligent electronic overload device. |
103 |
Thermomagnetic trip for small current ranges |
US13713506 |
2012-12-13 |
US09218929B2 |
2015-12-22 |
Stephan Lehmann; Michael Poles |
A thermomagnetic trip is disclosed for an electrical switching device, especially a circuit breaker. In at least one embodiment it includes at least one first and one second terminal, a first heating element, a conductor able to be influenced by temperature, a yoke and a clapper armature. A current path is formed through at least the first terminal, the conductor, the first heating element and the second terminal. The current path is disposed at least in sections on and/or in the yoke such that a magnetic field acting on the clapper armature is induced in the yoke by the current flowing through the current path and wherein a second heating element is disposed in the current path especially between the first terminal and the conductor. |
104 |
Intelligent magnetic latching miniature circuit breaker |
US14129292 |
2012-12-13 |
US09058952B2 |
2015-06-16 |
Zhenyang Liu |
This invention discloses a type of intelligent magnetic-hold miniature circuit breaker, comprising a casing, a magnetic-hold relay, and a drive circuit, wherein said drive circuit receives control signal and then drives operation of said magnetic-hold relay; said magnetic-hold relay comprises a dynamic spring assembly, a static spring assembly, a deflector rod, a pushing piece, and a magnetic steel assembly; rotation of said magnetic steel assembly drives said deflector rod and then closing or opening of contacts of said dynamic spring assembly and said static spring assembly via said pushing piece; said miniature circuit breaker also includes a central processor, a communication chip, a mutual inductance module, and a current conditioning circuit. Said mutual inductance module is installed on the extension wire of the dynamic spring assembly. Said current conditioning circuit is connected to said central processor and said mutual inductance module respectively. Said central processor drives the magnetic-hold relay via said drive circuit according to current state signal from said current conditioning circuit, to realize overload protection. |
105 |
Apparatus for a circuit interrupter |
US13477493 |
2012-05-22 |
US08982515B2 |
2015-03-17 |
Ryan A. Smith |
An apparatus includes an enclosure; a connector structured to mechanically and electrically engage a power circuit; a transmitter structured to transmit a signal having a frequency substantially greater than a power line frequency to the connector; and a user interface structured to cause the transmitter to transmit the signal to the connector. |
106 |
EVENT COMMUNICATION APPARATUS FOR PROTECTION RELAY |
US14465087 |
2014-08-21 |
US20150067408A1 |
2015-03-05 |
Byung Joon JEON |
Disclosed is an event communication apparatus for a protection relay, which effectively simplifies an event determination operation by a main processing module and a communication module, thereby enhancing updating. The event communication apparatus for the protection relay includes a shared memory configured to store and provide data needed to share, a main processing module configured to, whenever an event occurs, update previous event data to a status information of the event and a status occurrence time information as new event data, and write the updated event data into the shared memory, and a communication module configured to periodically read status information from the shared memory, compare the read status information with pre-stored previous status information to determine whether there is a status change, determine occurrence of a new event when there is the status change, and transmit corresponding event data to an supervisory monitor immediately when the new event occurs. |
107 |
Fast breaker failure detection for HVDC circuit breakers |
US14007926 |
2011-04-04 |
US08947843B2 |
2015-02-03 |
Lars-Erik Juhlin |
A breaker failure detection device for a direct current (DC) circuit breaker (200) is provided. The circuit breaker comprises a circuit breaking element (204) and a non-linear resistor, e.g., a surge arrester (205), connected in parallel. The breaker failure detection device comprises a current sensor (212, 213, 214, 215), for measuring a current commutating from the circuit breaking element (204), and a breaker failure detection unit (211). The breaker failure detection unit (211) is arranged for comparing the measured current to desired values and deciding that an internal commutation process of the circuit breaker (200) does not proceed as desired if the measured current deviates from the desired values. The present invention makes use of an understanding that an improved detection of breaker failures may be achieved by monitoring the internal commutation process of the circuit breaker. Further, a method of breaker failure detection is provided. |
108 |
CIRCUIT INTERRUPTER INCLUDING INDICATOR CIRCUIT |
US13477497 |
2012-05-22 |
US20130313088A1 |
2013-11-28 |
RYAN A. SMITH |
A circuit interrupter includes an enclosure; a first terminal; a second terminal; separable contacts electrically connected between the first and second terminals; an operating mechanism structured to open and close the separable contacts; and an indicator circuit electrically interconnected with the second terminal The indicator circuit is structured to indicate occurrence of a signal at the second terminal. The signal has a frequency substantially greater than a power line frequency. |
109 |
Method and Relay for Communicating a Value of a Parameter of a Source to be Monitored |
US13656236 |
2012-10-19 |
US20130260673A1 |
2013-10-03 |
Liew Yew Loung; Yong Heng Han; Chong Pat Jong |
A method and relay for communicating a value of a parameter of a source to be monitored. The relay comprises an input sampling module for coupling to the source to be monitored, the sampling module configured to detect the value of a parameter of the source to be monitored; and an output module for communicating the value to a user. |
110 |
Automatic Configurable Relay |
US13656057 |
2012-10-19 |
US20130249316A1 |
2013-09-26 |
Ya Chee Yeong; Liew Yew Loung |
An automatic configurable relay and a method for automatically configuring a relay. The relay comprises an input sampling module for coupling to a source to be monitored, the sampling module configured to detect a first value of a parameter of the source to be monitored; and a processing module configured to set a working condition based on the detected first value. |
111 |
Single section circuit breaker having a metering shunt |
US629447 |
1984-07-10 |
US4584545A |
1986-04-22 |
Harry H. Nagel |
A single pole circuit breaker comprising a single section. The single section, single pole comprises an electromagnetic sensing device and a pair of relatively movable contacts. The electromagnetic sensing device is electrically connected at one end to the load terminal. The movable contacts are engageable with a pair of stationary contacts carried by a line terminal. A metering or calibrating shunt device is connected on one side to the electromagnetic sensing device and is connected on the other side to the pair of movable contacts to thereby connect in electrical series the electromagnetic sensing device and the pair of movable contacts through the metering or calibrated shunt device. A volt meter connected across the calibration points of the metering or calibrated shunt device will then read a voltage proportional to the current flow through the circuit breaker. |
112 |
Overcurrent protection equipment |
US766696 |
1977-02-08 |
US4124833A |
1978-11-07 |
Max H. Stoger |
Electrical on-off switching system, particularly for process control, having a bimodal operation with a first operational, low current, mode response and second emergency, high current, mode, comprising multiple sets of switch contacts and separate linkages for the first and second modes arranged such that the spreading of switch contacts for electrical circuit interruption is less in the first mode than in the second and further comprising a snap action in both modes of operation and non-interference between the linkages providing the two modes of operation. |
113 |
Electromagnetic circuit breaker with electrical and mechanical trip
indication |
US519874 |
1974-11-01 |
US3955162A |
1976-05-04 |
Ronald Nicol |
A circuit breaker having a handle stop for restraining the handle in a "tripped" or central position after the circuit breaker is electrically tripped to mechanically and visually indicate the tripped position.Also, an actuator is supported within the case of the circuit breaker and pivoted by the linkage mechanism (only when the latter is electrically tripped). During manual opening and closing of the circuit breaker contacts, the linkage mechanism does not pivot the actuator.Pivoting of the actuator (upon electrical tripping of the linkage mechanism) causes the actuator to engage and activate an auxiliary switch.When the circuit breaker handle is moved to the "off" position from the tripped or central position, the linkage mechanism simultaneously releases the actuator and the auxiliary switch is deactivated. |
114 |
Quick-opening,low cost,current limiting circuit breaker |
US3454831D |
1967-02-20 |
US3454831A |
1969-07-08 |
WILLARD HENRY G |
|
115 |
Circuit breaker and control ambient temperature compensator including weakening slot adjusting means |
US31825863 |
1963-10-23 |
US3238331A |
1966-03-01 |
LYBROOK MALCOLM T |
|
116 |
Non-arcing switch |
US8210661 |
1961-01-11 |
US3129305A |
1964-04-14 |
HURTLE RALPH L |
|
117 |
Push button switch with time delay slider |
US72535158 |
1958-03-31 |
US2878329A |
1959-03-17 |
WILLIAM VERMEULEN |
|
118 |
Circuit breaker devices |
US35267353 |
1953-05-04 |
US2855545A |
1958-10-07 |
BEYRARD NORBERT R |
|
119 |
Overload relay |
US35931840 |
1940-10-02 |
US2356373A |
1944-08-22 |
BERMAN MARTIN E |
|
120 |
Switching apparatus |
US24854638 |
1938-12-30 |
US2214907A |
1940-09-17 |
LOMAX CLARENCE E; MRTIN GEORGE T |
|