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Patent Searching and Data


Matches 401 - 450 out of 4,630

Document Document Title
WO/1994/014178A1
A computer (11) having a hard disk drive includes a battery voltage monitor (U1) which establishes a shut down condition of the computer (11) if the supply voltage falls below a chosen level VL. Upon start up of the hard disk drive motor...  
WO/1994/008348A1
Described is a latch-locked vacuum-type circuit breaker (1) with two independently actuated magnets (12, 15). While the first magnet (12) is mounted, together with a locking lever (13), inside the drive-unit housing (2), the second magne...  
WO/1994/000862A1
A trip energy monitor for microprocessor-based trip units includes a Zener diode (CR1), a current-limiting resistor (R1), and an inverting buffer (INV1). The trip energy monitor provides a reference logic signal which is read by a microp...  
WO/1993/022785A1
An improved miniature circuit breaker (1, 2) is adapted to improved automatic assembly of all components thereof. Key components of the breaker are individually and collectively designed to be susceptible to total Z-axis assembly. In par...  
WO/1993/022784A1
A miniature circuit breaker is provided which is adapted to improve automatic assembly of all components. Key components of the breaker are individually and collectively designed to be susceptible to total Z-axis assembly. In particular,...  
WO/1993/022786A1
An improved miniature circuit breaker (10) is provided which is adapted to improved automatic assembly of all components thereof. Key components of the breaker are individually and collectively designed to be susceptible to total Z-axis ...  
WO/1993/016479A1
Disclosed is a helically wound core of ferrous material (14) used as a differential current sensor core in the ground fault sensor of a ground fault interrupter circuit. The ferrous material comprises a single strand of wire which is wou...  
WO/1992/017044A1
There is provided an enclosure that encapsulates a current transformer (1) by utilizing snap together members (12, 14) while allowing for electrical coupling between the transformer and external wiring. Two housing members (9, 11) will s...  
WO/1992/015110A1
In order to be able to fit a protective switchgear designed to be tripped by differential current or undervoltage, or designed as a free-trip device, in a restricted space, e.g. inside an ordinary right-angle mains plug, the invention ca...  
WO/1992/006484A1
An accessory module (104) for use with a circuit breaker (10) is configured for mounting to the breaker, and has rotor system (142) which follows the movement of the circuit breaker blade (24) in the breaker by means of a coupling member...  
WO/1992/005569A1
A residual current circuit breaker (1) has a partition wall (3) which separates an over-current protection device (4) from a residual current detection circuit (5). A plunger rod (24) extends through a bore (23) in the armature (21) of a...  
WO/1992/002065A1
A plug-in ground fault interrupting type circuit breaker includes a resilient jaw (42) for engaging the neutral bar in a loadcenter. The jaw is formed at the end of a conductive strap (70) which passes through the window of a transformer...  
WO/1991/013454A1
A residuel current circuit breaker (1) has a partition wall (3) which separates an over-current protection device (4) from a residual current detection circuit (5). A plunger rod (24) extends through a bore (23) in the armature (21) of a...  
WO/1991/005358A1
A circuit breaker control system (24) includes a motor driven fork assembly (36), activated from a remote location, for simultaneously opening all of the breaker load contacts (54) and locking them in an open position. A DC voltage is se...  
WO/1990/000807A1
An electromagnetic actuator (1) of the type of a relay, having an armature (2) polarized by a permanent magnet (5) and a movable drive element (6) attracted by the armature (2) against a spring means (8), incorporates an electric current...  
WO/1990/000805A1
A circuit breaker auxiliary device is housed in its own separate enclosed container (20) and is accessible by a drive pin (13) through an opening (18) in the container mounting surface (11). A drive pin (13) is inserted into an opening (...  
WO/1988/003324A1
A circuit breaker (10) having a movable upper blade (16) with a free floating pivot end (46). The operating mechanism (34) is solidly connected to the upper blade (16). The contact force is generated by a contact spring (44) which exerts...  
WO/1987/001237A1
An electric circuit breaker capable of being opened and closed from a remote location. The circuit breaker includes a stationary contact (14), a movable contact (16) mounted on a carrier (18) and a trip mechanism (40) that trips the circ...  
WO/1986/002197A1
A bimetallic trigger for a switch, for example a motor protection switch with a trigger bridge (10) and a differential bridge which can move in relation thereto, in which the ends of the bimetallic strips (17) lie between the two bridges...  
WO/1986/001936A1
In order to prevent an electrical tool, for example a hand-drill, a mowing machine or similar, from starting up again by itself after an interruption in the power supply or a line fault, owing to the fact that it has not been switched of...  
WO/1985/002724A1
New device for protecting human life and property against electrical shock and more specifically to a shock hazard prevention system for disconnecting an electrical load from an electrical source when a shock hazard condition exists with...  
WO/1983/003160A1
To protect the operator of an electrically supplied apparatus in a damp room against an electric discharge, there is provided a protection device comprised of a probe formed by two conductors (44, 45; 46, 47) which cannot come in contact...  
WO/1981/001092A1
The device allows the control of the output cut off elements, such as contactors breakers, protection switches of motors or similar, and apparatus or installations. The computer is connected, through an analog-digital converter, to at le...  
WO/1979/000127A1
Defect current protection switch, in which the conductors (5) are associated to a core (6) of which the magnetic induction flux actuates, in case of defect, a tripping device. When a magnetic field produced by the defect current is super...  
WO/1979/000105A1
The lead (8) of a working current is associated to a core (3) of which the magnetic induction flux causes, in case of leakage of current, the operation of a circuit-breaker. In this case, an armature (4) of the breaker drops because of t...  
JPWO2016067378A1
交流電路(1)を開閉する開閉接点(2)と 、交流電路(1)の漏洩電流を検出する零相 電流器(3)と、交流電路(1)から供給さ れた電力を定電圧の電力に降圧する降圧...  
JP2017511098A
遠隔コンピュータシステム(58)と顧客位 置に設置される診断用回路保護装置(2)と を含む、回路保護装置の現場の問題を診断す るためのシステムが提供される。回路保...  
JPWO2015159364A1
回路遮断器30は、電路1に流れる交流電流 に応じた電流信号を出力する変流器14と、 いずれかが前記交流電流の周波数に等しい複 数の基準周波数のそれぞれについて基準...  
JPWO2015121908A1
導体部材の加工が容易で、装置の小型化を可 能とし、特に組立性に優れた漏電検出部及び 漏電遮断器を提供する。連続固定されている 貫通導体部(14S、14N)を零相変...  
JP2017050116A
[Subject] Without [without it enlarges a size and weight, and] increasing cost, magnetic saturation of an iron core of a zero-phase-sequence current transformer is prevented, and an earth leakage breaker which improved the balanced chara...  
JP2017045603A
[Subject] By strengthening rotation rigidity of bimetal, accuracy of over-current tripping of a circuit breaker of operation is improved, and interception performance is improved. [Means for Solution] Lower energization conductor 27a is ...  
JP2017045706A
[Subject] Even when excess voltage is continuously impressed to exchange cable runs, such as a withstand voltage test, an earth leakage breaker is made to intercept and an earth leakage breaker which can prevent failure of a power supply...  
JPWO2014156945A1
比較的簡単な構成で電源ラインに属する端子 等の電気的接続部位におけるアーク発生の検 知及び小型化が可能なアーク発生検知装置及 び開閉器。アーク光検知部(91)は、...  
JP6075593B2  
JP6073420B2  
JP6065128B2  
JP6065253B2  
JP6061413B2  
JP6059842B1
[Subject] An admiration Earthquake breaker which a setup of seismic intensity and shake continuation time is performed, and can make easily a once set-up setting change of a seismic intensity preset value and a shake continuation time pr...  
JP6056014B2  
JP6051418B2  
JP6055640B2  
JP6049567B2  
JP6037229B2  
JP6036120B2  
JP6031686B2  
JP2016195096A
[Subject] An electronic circuit breaker which can detect voltage is provided without using a transformer using a plurality of winding. [Means for Solution] Contact parts 15r-15t which open and close current of a cable run, and current de...  
JP6027892B2  
JP2016189276A
[Subject] Prevent malfunction by an electromagnetic wave noise. [Means for Solution] Zero-phase-sequence current transformer 21 in which the main cable run ML (chief editor line L1D, ND, L2D) was inserted is connected to short circuit de...  
JP6019069B2  

Matches 401 - 450 out of 4,630