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Patent Searching and Data


Matches 351 - 400 out of 4,774

Document Document Title
WO/2007/003087A1
A electroshock protecting system for long-distance power supply and the protecting method thereof. In order to solve the problem of high cost and easily causing error protection in the prior art that compares the current difference betwe...  
WO/2006/135838A2
In a preferred embodiment, a battery charging system in the form of an integrated circuit (IC), incorporated in a consumer electronic device, has a charging controller, a charging current generator, a junction temperature sensor, and a d...  
WO/2006/128265A1
Electronic Gas Relay for electrical power transformer immersed in insulating oil is a device for capture and retention of gasses released from insulating oil liquid medium, for operating an electronic circuit module and an electric signa...  
WO/2006/125996A1
An electrical fitting such as a socket (1) is provided with a thermal cut-out (16) to disconnect the power supply to the socket (1) in response to detection of an abnormal increase in temperature caused, for example, by a loose or faulty...  
WO/2006/109330A1
A method for protecting an electrical connector which can be powered by a power supply source and can be connected to a load by means of contacts is described, said method comprising the step of detecting the temperature inside said conn...  
WO/2006/079975A2
A machine condition monitor resides in close proximity to a machine train, such as an AC inductive electric motor coupled to a driven unit such as a centrifugal pump or fan. A plurality of sensing devices are connected to the machine and...  
WO/2006/068615A1
The invention relates to a method for determining the load state in a power system component, such as a line, in an electric power system. The invention is achieved by: determining the reference temperature for the conductor material, de...  
WO2006025930A3
An overcurrent protection circuit for low-voltage, high-current electrical systems comprises a Positive Temperature Coefficient (PTC) resistor (20) in series with an auto-reset thermal breaker (18). The breaker (18) allows for intermitte...  
WO2006022362A3
A cooling fan (30) of a secondary battery (10) and a cooling fan (40) for a DC/DC converter (20) are parallelly arranged and share the same gas discharge path (80). On the secondary battery (10) are installed an air intake side temperatu...  
WO2005040992A3
An intelligent power management system that includes a circuit breaker containing a PLC module that spans open contacts of the circuit breaker to provide a communication path for PLC messages between the line and load sides of the circui...  
WO/2006/025930A2
An overcurrent protection circuit for low-voltage, high-current electrical systems comprises a Positive Temperature Coefficient (PTC) resistor (20) in series with an auto-reset thermal breaker (18). The breaker (18) allows for intermitte...  
WO/2006/022362A2
A cooling fan (30) of a secondary battery (10) and a cooling fan (40) for a DC/DC converter (20) are parallelly arranged and share the same gas discharge path (80). On the secondary battery (10) are installed an air intake side temperatu...  
WO/2006/015566A1
The invention relates to a circuit arrangement (01, 15, 21), for the protection of a conductor element (02), in particular, a planar conductor, in a motor vehicle against overload, comprising a first measuring body (06), by means of whic...  
WO2005039010A8
An electrical fixture, such as a wall outlet, switch, junction box, distribution box, or current breaker, with a thermal interrupter. The thermal interrupter is thermally connected to the fixture and includes a reset button.  
WO/2005/124807A1
A voltage judgment method for judging whether a voltage exceeds a predetermined value includes: a diode preparation step for preparing a diode having Zener voltage substantially identical to a predetermined value; a bimetal preparation s...  
WO/2005/124964A1
There are provided a first switch element (34a) for interrupting the discharging current following in a battery cell (31) and a second switch element (34b) for interrupting the charging current. A positive character thermistor (Rcpb) is ...  
WO2005015704A3
A circuit interruption device (110) is provided in which an interruption element (112) and a fuse element (114) are configured electrically in parallel. The interruption element includes an electrical conductor and a current interrupter ...  
WO/2005/117113A1
The invention relates to a switching element (50) for protecting a circuit comprising a load. Said element comprises a signal input (60), to which a signal can be applied, a signal output (100), a signal path, which connects the signal i...  
WO/2005/117229A1
The present invention comprises an electronic element (2a), fitted or adapted for an electric circuitry or circuit arrangement (1), where said circuitry inter alia is constituted by a voltage source (1a, 1b), a supply voltage and a curre...  
WO/2005/114806A1
The invention relates to an electronic relay (1) comprising a power section (3) that can be switched by a control component (4) and is provided with a voltage input (5) for a supply voltage (UV) in the low-voltage range, especially in th...  
WO/2005/106336A1
A device for controlled supply of current to an electrically driven unit, comprising an outlet (1) designed for connection of the electrically driven unit, the outlet (1) being arranged to go into a first state if said electrically drive...  
WO/2005/101431A1
The invention relates to a method and a device for detecting the degree of pollution in an operational converter. According to the invention, the operating condition of at least one of the converter components that is exposed to the ambi...  
WO2005074088A3
The invention relates to an environmental fuse, an actuator and to an associated method for protecting the actuator from failure in a specific operating environment. The environmental fuse then comprises a sensor member for detecting any...  
WO/2005/089878A1
The invention provides a method and device for managing the ventilation device in the electronic apparatus, the core thereof is that manage the operation states of the ventilation device in the electronic apparatus according to the tempe...  
WO2005053993A3
An electrical protection device is provided. The device can be removably attached to or mounted inside of a power source, such as a vehicle, e.g., automobile, battery and can employ a replaceable fuse element. The device includes an over...  
WO/2005/081276A1
A safety device applicable to a wide range, having a small size, causing little voltage loss, and hardly malfunctioning. In the safety device and an overcurrent cut-off system using the same, the power supply and the load are connected t...  
WO/2005/074088A2
The invention relates to an environmental fuse, an actuator and to an associated method for protecting the actuator from failure in a specific operating environment. The environmental fuse then comprises a sensor member for detecting any...  
WO/2005/059483A1
The invention relates to a device for monitoring a gas volume in a unit filled with a liquid, whereby the unit comprises an inlet line with at least one expansion chamber and the device comprises a buoyant body, floating in the liquid. T...  
WO/2005/053993A2
An electrical protection device is provided. The device can be removably attached to or mounted inside of a power source, such as a vehicle, e.g., automobile, battery and can employ a replaceable fuse element. The device includes an over...  
WO/2005/055387A1
Disclosed are a circuit system and a method for controlling an inductive consumer, especially protecting the consumer from being accidentally turned on. Said circuit system comprises a free-wheeling circuit (FLK) for reducing energy stor...  
WO2005029646A3
A battery cable circuits protection device (10) and circuit for preventing fluctuations in voltage from a supply battery (100) is provided. The device includes a terminal base (12) having a battery cable lug member (102) adapted for moun...  
WO/2005/048660A1
The output current of a ballast is dynamically limited when an over-temperature condition is detected in the ballast according to one of (i) a step function or (ii) a combination of step and continuous functions, so as to reduce the temp...  
WO/2005/046042A1
A protecting device for an electric motor, comprising: a stator having a running coil (11) and a starting coil (12); a power source (F) which supplies current to said running coil (11) and said starting coil (12); power switches (60), ea...  
WO/2005/046017A1
Disclosed is an overheat protection device which is capable of effectively preventing secondary batteries from overheating. An overheat protection device (20) comprises a variable resistor (11) wherein the resistance changes according to...  
WO/2005/040992A2
An intelligent power management system that includes a circuit breaker containing a PLC module that spans open contacts of the circuit breaker to provide a communication path for PLC messages between the line and load sides of the circui...  
WO/2005/029646A2
A battery cable circuits protection device (10) and circuit for preventing fluctuations in voltage from a supply battery (100) is provided. The device includes a terminal base (12) having a battery cable lug member (102) adapted for moun...  
WO/2005/015704A2
A circuit interruption device (110) is provided in which an interruption element (112) and a fuse element (114) are configured electrically in parallel. The interruption element includes an electrical conductor and a current interrupter ...  
WO/2004/107550A1
A method and an arrangement in connection with parallel-connected inverter modules, whereby two or more inverter modules (A, B, C) are connected in parallel to feed the same load, each inverter module (A, B, C) comprising two or more out...  
WO/2004/091067A1
A method and apparatus for protecting an integrated circuit against damage caused by excessive temperatures, the integrated circuit comprising a plurality of power transistors (208a, 208b, 208n). Each of the power transistors (208) is pr...  
WO/2004/085206A1
A circuit and method of reducing the occurrence of overheating of a power fold vehicle mirror. The circuit controls the operation of the power fold mirror such that when a portion of the circuit reaches or exceeds a predetermined tempera...  
WO/2004/054062A1
It is possible to prevent switching of a thunder detection circuit to the normal state by judging that no thunder is approaching because the thunder detection circuit is initialized by power supply stop during a thunder approaching conti...  
WO2004030171A9
A protective arrangement in a device that protects the device and personnel or users of the device when undesirable conditions develop within the device. The protective arrangement de-couples a power source from the device, prevents acce...  
WO2004008500A3
A protection apparatus for a semiconductor device includes a DC power source (VB), a load/RL), a semiconductor device arranged between the DC power source and the load and switches the load between a driving state and a stopping state, a...  
WO/2004/038882A1
The protective circuit for analog sensors has transistors (T1, T2) respectively located in a power supply voltage line (6) and in a ground line (8). The control electrode of said circuit is located between the supply voltage and the grou...  
WO/2004/034541A1
An electrical power supply includes a power input interconnected with a power source that supplies input power having a voltage exceeding a predetermined voltage threshold, e.g. a low voltage threshold. A power conversion arrangement con...  
WO/2004/034542A1
A secondary battery (101) arranged such that a thermal element (133) exhibiting a resistance changing dependent on temperature variation is removed from a passage that the charge/discharge current of a power storage unit (111) runs, an a...  
WO2002017456A8
A protective relay is provided to protect circuitry against reverse battery polarity or load dump, wherein a relay coil is operatively connected to a contact switch and is fed by a reverse bias diode (which may be a Zener diode) such tha...  
WO/2004/030172A1
According to the invention, a temperature pattern (7) representing a current operating situation is derived from and classified by means of measured temperature values and/or other temperature information related to the technical install...  
WO/2004/030171A1
A protective arrangement in a device that protects the device and personnel or users of the device when undesirable conditions develop within the device. The protective arrangement de-couples a power source from the device, prevents acce...  
WO/2004/025798A1
A self-contained alarm device for monitoring the supply status of a monitored electrical appliance for connection in the supply line from the network to the appliance characterised in that it has no internal power source or battery and i...  

Matches 351 - 400 out of 4,774