| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 61 | Circuit testing closer apparatus and method with in-rush current awareness | US12091341 | 2006-10-03 | US08681462B2 | 2014-03-25 | Raymond P. O'Leary; Christopher R. Lettow; Alejandro Montenegro; John C. Opfer |
| A circuit testing closer is capable of closing a power distribution circuit and interrupting the resulting current at the next current zero. Upon detecting a fault, the circuit testing closer is operable to open contacts to isolate the fault. Next, the circuit testing closer tests the faulted line to determine whether the fault has cleared. The circuit testing closer may generate a first test signal having a first polarity and a second test signal having a second polarity opposite the first polarity. Generation of the second test signal may be limited to occur when the first test signal indicates a fault. | ||||||
| 62 | Relay, control circuit, and method for controlling control circuit | US13641412 | 2011-04-13 | US08564388B2 | 2013-10-22 | Yuji Hirao; Koichi Futsuhara |
| The relay (KM) has at least first and second contact points (a1, a2), the states of which are switched from an open state to a close state by the drive of an electromagnet (32). The first and second contact points (a1, a2) switch the states between the open state and the close state by enabling movable contact pieces (31) to move with respect to respective fixed contact pieces (30) by using a power transmission mechanism (21) movable by the drive of the electromagnet (32). The first and second contact points (a1, a2) are set so that the second contact point (a2) is switched to the close state after the first contact point (a1) is switched to the close state and the first contact point (a1) is switched to the open state after the second contact point (a2) is switched to the open state. | ||||||
| 63 | SOLENOID DEVICE | US13775741 | 2013-02-25 | US20130222089A1 | 2013-08-29 | Osamu DAITOKU; Tomoaki Tanaka; Ken Tanaka; Tomoya Katoh; Kiyonari Kojima |
| A solenoid device includes: a first electromagnetic coil; first and second plungers movable according to energization to the first electromagnetic coil; first and second fixed cores facing the first and second plungers, respectively; and a yoke. When the first electromagnetic coil is not energized, first and second gaps are formed between the first and second plungers and the first and second fixed cores, respectively. When the first electromagnetic coil is energized, the magnetic flux flows in a first magnetic circuit, provided by the first plunger, the first fixed core and the yoke, via the first gap, and a second magnetic circuit, provided by the first and second plungers, the first and second fixed cores and the yoke, via the first and second gaps, so that the first and second plungers are attracted toward the first and second fixed cores. | ||||||
| 64 | SOFT-START SYSTEMS AND METHODS FOR VEHICLE STARTERS | US13224535 | 2011-09-02 | US20120139677A1 | 2012-06-07 | Aleksandar Hrnjak; James David Plenzler; Robert David Hall; Clive Harley |
| Soft-start systems and methods for vehicle starters are provided. Embodiments provide a solenoid including: a first coil that receives power when an ignition switch is closed; a first plunger actuated when the first coil receives power; a first terminal configured to be abutted by a contact bar of the first plunger; a second coil that receives power when the contact bar of the first plunger abuts the first terminal; a second plunger actuated when the second coil receives power; and a second terminal configured to be abutted by a contact bar of the second plunger. Such a solenoid is configured to provide power at a first level to an attached motor when the contact bar of the first plunger abuts the first terminal and at a second level that is higher than the first level when the contact bar of the second plunger abuts the second terminal. | ||||||
| 65 | Worldwide adaptive multi-coil automatic transfer switch | US12189567 | 2008-08-11 | US07868484B2 | 2011-01-11 | Steven Mark Groff; Trung Le |
| A multi-coil automatic transfer switch (ATS) adapted for automatically switching an appropriately rated component to render the ATS operational over a worldwide voltage range is provided. A low voltage contactor includes a low voltage coil magnetically linked with a normally open low voltage main contact. A high voltage contactor is coupled in parallel with the low voltage contactor. The high voltage contactor includes a high voltage coil magnetically linked with a normally open high voltage main contact. A normally closed high voltage auxiliary contact is magnetically linked with the high voltage coil. The normally closed high voltage auxiliary contact has a phase opposite the normally open high voltage main contact. The high voltage contactor opens the normally closed high voltage auxiliary contact to disconnect the low voltage coil. | ||||||
| 66 | Safety switch | US11489092 | 2006-07-19 | US20070018766A1 | 2007-01-25 | Julian Poyner |
| A safety switch for a safety circuit includes a moveable magnet located between a fixed contact and a fixed magnet. The safety switch includes a coil located adjacent the moveable magnet and arranged such that the coil pushes the moveable magnet towards the fixed contact so that the movable contact presses against the fixed contact when the coil is energised and so that the moveable contact moves away from the fixed contact when the coils are not energised. | ||||||
| 67 | Electromagnetic relay system | US11058244 | 2005-02-16 | US20050179510A1 | 2005-08-18 | Kohei Iima |
| An electromagnetic relay system is constituted by containing an electromagnetic relay arranged in a case and including a coil, a movable contact and a plurality of fixed contacts, a positive terminal and a negative terminal formed to project from the case, and load terminals formed to project from the case and connectable to a motor. An electric current flowing in the motor is controlled by controlling an electric current flowing in the coil. A ground line extended from the coil is connected to the negative terminal via a coil spring in the case. | ||||||
| 68 | Electromagnetic switch | US10231950 | 2002-08-30 | US06707357B1 | 2004-03-16 | Hung-Chieh Chuang |
| An electromagnetic switch includes an electromagnetic module and a contact module that is to be plugged into the electromagnetic module. The contact module includes a fixed contact member and a movable contact member that is pivoted to the fixed contact member so as to be rotatable relative to the fixed contact member between a first angular position for establishing a first circuit, and a second angular position for establishing a second circuit. | ||||||
| 69 | Magnetic system for an electromagnetic relay | US09906823 | 2001-07-18 | US06538540B2 | 2003-03-25 | Johannes Oberndorfer; Friedrich Plappert; Herbert Elsinger |
| A magnetic system for an electromagnetic relay comprises at least two iron pieces 15, 16 extending in parallel through the entire length of one common coil 18, each iron piece being part of its own magnetic circuit for operating an armature which is disposed in this magnetic circuit to operate ah associated contact system. The spacing between the iron pieces 15, 16 inside the coil 18 is substantially smaller than the largest cross-sectional dimension of each iron piece 15, 16 in order to make maximum use of the magnetic flux produced by the coil 18 with minimum loss and minimum stray flux. | ||||||
| 70 | Electromagnetic relay | US311759 | 1989-02-17 | US4956623A | 1990-09-11 | Kimpel Rolf-Dieter |
| A relay having a coil including a core also has either one or two angled armatures. Each of two armatures has a second leg extending approximately parallel to the axis of the coil as well as an extension upon which a restoring spring acts. Each armature has a contact spring which is connected thereto. Due to the displacement of the bearing location the end of the second armature leg, increased friction at the contact locations arises as well as reduction in the welding tendency of the contacts. Reduction of the effective spring force of the restoring spring during armature attraction also arises due to the seating of the armature so that reliable operation is provided without increased electromagnetic excitation. | ||||||
| 71 | Electromagnetic relay | US105357 | 1987-10-07 | US4833435A | 1989-05-23 | Masaharu Ohara |
| An electromagnetic relay having a double armature structure comprises: an electromagnet; a pair of armatures which are individually rotatably arranged at the right and left positions of the electromagnet and are symmetrically rotated by the attractive forces of the electromagnet against a return spring; and a pair of contact mechanisms which are closed or opened by the rotation of the armatures. The electromagnet has a pair of iron cores to respectively attract the pair of armatures, or has a single iron core and respectively adsorbs the pair of armatures at both ends of this iron core. With this relay, even if one of the contact mechanisms was not open due to the melt-bonding, the other is opened. | ||||||
| 72 | Electro-magnetic relay having two armatures | US894827 | 1986-08-08 | US4682133A | 1987-07-21 | Josef Kern |
| A relay includes two armatures each having a contact spring and a contact piece secured thereto which interacts with the respective cooperating contact element. The two movable contact pieces are electrically connected by a stranded copper conductor so that a series connection of the two contacts is formed. The series connection can be interrupted twice by the two armatures which switch independently of one another so that a reliable opening of the circuit is assured even if one of the contacts fuses. The relay is particularly useful for safety circuits such as in motor vehicles. | ||||||
| 73 | Transfer switch | US680491 | 1984-12-11 | US4590387A | 1986-05-20 | Katsuhiro Yoshida; Hiroshi Horiguchi |
| This transfer switch has movable contactors moving to connect a load side fixed contactor alternatively to two different current source side fixed contactors. The movable contactors are operatively connected with a control shaft moving along either inclined path of a substantially V-shaped guide groove and the current source selected by the movable contactor is determined by which inclined path of the guide groove the control shaft follows. The inclined path along which the control shaft moves is determined by the direction of the inclination of a point plate closing the inclined path by inclining to either side. The control shaft rises along either of the inclined paths of the guide groove as operatively connected with a rotating motion against a returning spring by a manual or electric operation of an operating lever. When the operating lever is in the original position, the control shaft will be positioned in the middle of the guide groove and the movable contactors will be in neutral positions. The operating lever engages a latch at the end of the rotation. This latch can be manually or electrically disengaged with the operating lever. The point plate is energized by a spring so as to normally incline in one direction. The inclining direction can be reversed manually or electrically. | ||||||
| 74 | Twin-circuit breaker | US479260 | 1983-03-28 | US4506242A | 1985-03-19 | Wolfgang Karpe; Johannes Kluge; Heinz Hasselmann |
| A circuit breaker is disclosed wherein two breakers are arranged in mirror image relation having their respective contacts facing each other and abutting alternately either a common contact carrier of U-shaped configurations while double contact is prevented mechanically. In an alternative version the stationary contacts are arranged for an axial operation change. The arrangement permits reduction in internal connections as well as in space requirement without loss in function as compared with known multiple circuit breaker units. | ||||||
| 75 | Electromagnetic device for relays and like apparatus | US76582558 | 1958-10-07 | US3026389A | 1962-03-20 | JEAN CHERONNET |
| 76 | Relay | US40618154 | 1954-01-26 | US2892058A | 1959-06-23 | TANCRED WILLIAM L |
| 77 | Switching device | US35657753 | 1953-05-21 | US2854541A | 1958-09-30 | WALTER HOPPE |
| 78 | Rotary electrical relay | US38623953 | 1953-10-15 | US2843700A | 1958-07-15 | PRICE OSBORNE I |
| 79 | Plural armature relay | US6201548 | 1948-11-26 | US2559199A | 1951-07-03 | HUBERT PERKINS |
| 80 | Relay | US16748 | 1948-01-02 | US2491643A | 1949-12-20 | BURKS ARTHUR W |
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