| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 101 | Acyclic generator with liquid metal current collectors having circulating current barriers | EP87116441.4 | 1987-11-06 | EP0274598A1 | 1988-07-20 | Shah, Manoj Ramprasad; Lenz, Henry George |
Current barriers (40) are incorporated in the liquid metal collector region of an acyclic generator to increase the impedance of the circulating current paths therein, thereby to reduce circulating current magnitude. |
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| 102 | Slip ring having a liquid metal contact between a stationary element and a rotatable element | US15434739 | 2017-02-16 | US09871334B2 | 2018-01-16 | Patrick J. Dempsey; William A. Welsh; Aaron Kellner |
| A slip ring assembly includes a stationary element, a rotatable element rotatable relative to the stationary element, and a liquid metal contact electrically coupling the rotatable element to the stationary element. The liquid metal contact includes a metallic material having a melting temperature that is less than zero degrees Celsius and a boiling temperature that is greater than four-hundred degrees Celsius to electrically couple an electrical device fixed relative to the rotatable element to an electrical device fixed relative to the stationary element through the liquid metal contact. | ||||||
| 103 | Electrical Device With Low Friction Contact Parts | US15304450 | 2015-04-24 | US20170040765A1 | 2017-02-09 | Hauke Carstensen; Björgvin Hjörvarsson; Max Wolff; Vassilios Kapaklis |
| An electrical device including an electrode arrangement having a magnet, and an electrode, an electrically conducting movable device, movable relative to the electrode arrangement and spaced apart from the electrode arrangement, whereby a gap (G) is formed therebetween, and a suspension including a liquid, a plurality of magnetic particles dispersed in the liquid and a plurality of non-magnetic electrically conducting particles dispersed in the liquid, which non-magnetic electrically conducting particles have higher electric conductivity than the magnetic particles, wherein the suspension) extends between the electrically movable device and the electrode arrangement in the gap (G), and wherein the magnet is arranged to provide a magnetic field through the suspension to thereby align the non-magnetic electrically conducting particles between the electrode arrangement and the electrically conducting movable device to obtain an electrical connection between the electrode arrangement and the electrically conducting movable device. | ||||||
| 104 | Flexible circuits | US13582009 | 2012-03-05 | US09373427B2 | 2016-06-21 | Aya Seike |
| Methods and devices for transporting and/or providing electricity are provided herein. In some embodiments, this includes a flexible conduit and charge carrying microparticles provided therein. In some embodiments the microparticles are charged at a first charging terminal, moved to a new location where there is a charge collecting terminal, where the charge on the microparticle can then be discharged. | ||||||
| 105 | FLEXIBLE CIRCUITS | US13582009 | 2012-03-05 | US20130228370A1 | 2013-09-05 | Aya Seike |
| Methods and devices for transporting and/or providing electricity are provided herein. In some embodiments, this includes a flexible conduit and charge carrying microparticles provided therein. In some embodiments the microparticles are charged at a first charging terminal, moved to a new location where there is a charge collecting terminal, where the charge on the microparticle can then be discharged. | ||||||
| 106 | ELECTRICAL SWIVEL DESIGN | US13882581 | 2011-11-02 | US20130224968A1 | 2013-08-29 | Philippe Albert Christian Menardo; Benjamin Maurice Passieux |
| High voltage swivel (4) comprising a static (8) and a rotating body (7), the static and the rotating body being rotatable coaxial around a longitudinal axis, wherein the static and the rotating body are in electrical contact one with the other in order to allow transmission of power and/or data between the static and the rotating body, the static and the rotating body each having a contact surface (14, 16) for allowing the electrical contact between the static and the rotating body, wherein the electrical contact between the contact surfaces of the static and the rotating body is obtained by using an electrical conductive fluid (15). | ||||||
| 107 | SHAFT GROUNDING SYSTEM | US13227193 | 2011-09-07 | US20130057108A1 | 2013-03-07 | Purushothaman Sasidharan Nair |
| Systems for grounding components in a machine are disclosed. In one embodiment, a system includes: an inner component configured to be connected to a shaft; a ground component configured to be disposed substantially about the inner component, the ground component configured to complement the inner component and substantially define a cavity there between; and a conductive substance disposed within the cavity substantially between the inner component and the ground component, the conductive substance configured to electrically connect the inner component and the ground component. | ||||||
| 108 | Brushless slip ring for a wind turbine and method of assembly | US12171915 | 2008-07-11 | US07898140B2 | 2011-03-01 | Jacob Johannes Nies |
| A brushless slip ring has a first conductive rotating member, and a second conductive non-rotating member that is positioned a predetermined distance away from the first conductive rotating member. A conductive semi-solid material electrically couples the first conductive rotating member to the second conductive non-rotating member. The semi-solid material is configured to transfer electric current from the rotating member to the non-rotating member. | ||||||
| 109 | Liquid metal rotary connector apparatus for a vehicle steering wheel and column | US12505088 | 2009-07-17 | US07726972B1 | 2010-06-01 | Scott D. Brandenburg; Shing Yeh; Mark W. Gose |
| A liquid metal rotary connector for a vehicle steering mechanism utilizes a conductive alloy comprising Gallium, Indium, Tin and Zinc to electrically couple stationary and rotary terminals of the connector. The alloy is a liquid at ambient temperatures, and has a melting point of −36° C., though testing has shown that it operates satisfactorily at temperatures as low as −40° C. In a preferred arrangement, the rotary connector provides a two-wire connection through which power is supplied from the steering column to the steering wheel, and electronic modules located in the steering column and the steering wheel support bi-directional data communication through voltage and current modulation of the supplied power. | ||||||
| 110 | Electrical brushless rotary connector assembly | US10340100 | 2003-01-10 | US06712618B2 | 2004-03-30 | LeRoy Welch |
| A rotary connector assembly for an electrical apparatus on a rotating component is presented. The rotary connector assembly has a fixed base for mounting the assembly within the rotating component. The rotary connector assembly is rotatable relative to the rotating component. The attachment has an annular flange at the outer periphery and a mechanism that contacts the flange and supports the rotary connector portion. Connections at the base have terminations to attach incoming wiring and at the rotary portion to attach wiring to the electrical apparatus. | ||||||
| 111 | Electrical joint employing conductive slurry | US10090599 | 2002-02-28 | US06663395B2 | 2003-12-16 | Mohi Sobhani |
| An electrical joint that couples electric signals and current between objects that move relative to one another. A conductive slurry is disposed upon a first object and a conductor extends from a second object to engage the conductive slurry. The slurry comprises conductive particle suspended in a fluid carrying agent, such as oil. A non-conductive gel may be disposed upon the exposed surface of the conductive slurry to retain and protect it. The conductive slurry and non-conductive gel may be disposed within a channel on the object's surface so as to define their position and retain them in the desired area. The position of the conductive slurry is oriented and aligned to maintain continuous contact with the conductor as movement occurs. Linear, planar, circular and other movements are contemplated. The electrical joint can be readily adapted to printed circuit and printed wire technology. | ||||||
| 112 | Slip ring mechanism of non-sliding type | US962661 | 1997-11-03 | US5866967A | 1999-02-02 | Akira Sasaki |
| Magnetic fluid is inserted between slip rings of a rotor and brushes of a stator. The magnetic fluid is held by magnetic force generated by permanent magnets and yokes mounted on the stator, so as to be sidable relative to the slip rings. In this state, in accordance with rotation of the rotor, the brushes and the slip rings are rotated without direct contact with each other via the magnetic fluid. Thus, the brushes and the slip rings are electrically connected to each other. | ||||||
| 113 | Automotive steering column electrical connector | US240006 | 1994-05-09 | US5498164A | 1996-03-12 | Mark C. Ward; Roger A. Hodder |
| An electrical connector for a steering wheel which utilizes a non-wear electrical interconnection characterized by terminals of a base terminal bus and terminals of a rotor terminal bus being physically separated yet mutually electrically connected via contact with an electrically conductive liquid situated in one or more annular chambers located between outer faces of a rotor plate and a base plate. The rotor terminal bus is connected with the rotor plate and the base terminal bus is connected with the base plate. The base and rotor plates are connected together in a manner that permits relative rotation therebetween. The electrically conductive liquid is provided in each of the annular chambers by being preferably injected through a hollow capillary of at least one of the rotor and base terminals of each annular chamber, and then sealed, such as by solder. Preferred electrically conductive liquids include mercury or silicone. Electrical wiring is connected with each of the rotor terminal bus and the base terminal bus in an otherwise conventional manner known in the automotive art. | ||||||
| 114 | Roller electrodes for electric-resistance welding machine | US424389 | 1989-10-20 | US5089682A | 1992-02-18 | Joseph R. Davies |
| A roller electrode combination for use in electric-resistance welders, the electrode having relatively rotatable components separated by very small gaps, and an electrically and thermally conductive liquid is contained by the components across the gaps; the conductive liquid being a gallium dominant composite eutectic mixture where its phase change from liquid to solid begins at possibly 5-8 degrees C. Special controls are provided for the coolant for the roller electrodes, including a sensor to determining its temperature and a heater to preclude its flow through the roller electrode at temperatures below where such phase change might take place. The roller electrodes may be formed of alloys of copper (Cu) and/or a sintered mixture of copper (Cu) and tungsten (W). A protective coating between 0.0025 and 0.025 millimeters thick may be plated on surfaces of the composite copper (Cu) and tungsten (W) roller electrode that come in contact with the conductive liquid. The coating may be of gold and/or of the platinum family, such as rhodium (Rh) and iridium (Ir). | ||||||
| 115 | Electroconductive sliding apparatus | US111674 | 1987-10-21 | US4841408A | 1989-06-20 | Shigeki Matsunaga; Yuichi Ishikawa; Masachi Hosoya |
| An electroconductive sliding apparatus for electrically connecting a first member to a second member, both of which members are relatively moving and electroconductive by means of an electroconductive contactor, said apparatus comprising: a magnetic fluid, which is retained by means of the magnetic force between said first and/or second members, placed at the slidable contact point of said first and/or second members with said contactor; said first and/or second members and said contactor being brought into close proximity capable of metal contact or electroconduction by means of the force applied to said contactor and at said slidable contact point at which said magnetic fluid is placed. | ||||||
| 116 | Electrode roll | US898064 | 1986-08-19 | US4782207A | 1988-11-01 | Shunsuke Masuda; Masatoshi Yamamoto; Katsuyoshi Shudo; Hiroyuki Kato; Yasushi Kawai |
| An electrode roll for an electric resistance seam welding machine comprises a stator substantially made of copper or a copper alloy, a rotor mounted on the periphery of the stator, and substantially or in part made of copper or a copper alloy and rotatably a gap portion formed by the stator and the rotor. A conductive liquid metal, which is a fusible alloy composed mainly of gallium, is inserted in the gap portion through a filling hole and is sealed in the gap portion. At least the portion of the filling hole that may come in contact with the conductive liquid metal is fabricated of a metal or metal alloy which is hard to be corroded by the fusible alloy. The remaining surfaces of both rotor and stator facing the gap portion are covered with a layer or layers of a metal or metal alloy that is hard to be corroded by the fusible alloy. In at least one embodiment, such layer or layers are further covered with another thin layer of metal which has an excellent wettability by the fusible alloy. | ||||||
| 117 | Acyclic generator with liquid metal current collectors having circulating current barriers | US945153 | 1986-12-22 | US4712033A | 1987-12-08 | Manoj R. Shah; Henry G. Lenz |
| Current barriers are incorporated in the liquid metal collector region of an acyclic generator to increase the impedance of the lossy circulating current paths therein, thereby to reduce circulating current magnitude. | ||||||
| 118 | Electrode roll for resistance welding | US321927 | 1981-11-16 | US4433229A | 1984-02-21 | Yonekichi Morikawa; Toshio Shimizu; Eiichi Yoshida; Tsuyoshi Konagaya; Keizo Hirayama |
| An electrode roll for resistance welding comprising a fixed portion which has a disc portion at the longitudinal center part of a shaft where the disc portion and the shaft are at right angles to each other; a rotary portion which surrounds the fixed portion and has inner surfaces forming two side gaps facing the two side surfaces of the disc portion and a peripheral gap facing the peripheral surface of the disc portion, respectively; and a conductive liquid metal received in each of the gaps, where the peripheral gap is so narrow that the above conductive liquid metal may be pulled up along the gap to fill the same when the above rotary portion rotates, and the side gaps are substantially wider than the peripheral gap. | ||||||
| 119 | Novel liquid metal current collector configuration | US934100 | 1978-08-16 | US4241272A | 1980-12-23 | Robert A. Marshall |
| An electrical current collector for an acyclic machine employs a rotor collector ring and a stator collector surface connected by a liquid metal current collector having a limited area defined by a nonconductive enclosure for containing conductive liquid metal. Liquid metal is supplied to the enclosure by a passageway through the stator contact area having an orifice within the enclosure area. The enclosure is resiliently mounted upon the stator and spring biased toward the rotor collector ring. The liquid metal making the contact between the rotor collector ring and the stator collector area is maintained under pressure and a limited leakage between the enclosure surface and the rotor collector ring is allowed. The enclosure wall may contain permanent magnets to limit the magnetic affects upon the liquid metal in the current collectors from the excitation field. | ||||||
| 120 | Electrical liquid contact for an electrical machine such as an electric unipolar machine having a horizontal shaft or the like | US834470 | 1977-09-19 | US4172987A | 1979-10-30 | Ernst Massar |
| The invention is directed to an electrical liquid contact for an electrical machine such as an electric unipolar machine with a horizontal shaft. The liquid contact includes a ring gap which is sealed laterally by ring gaps which extend at an angle or radially and in which the metallic liquid present therein is set in rotation. This is accomplished by a circulating pump located outside the ring gap. In addition, the speed of rotation in the ring gap is matched to the pressure of the liquid by changing the cross-sectional area of the passage through which the liquid flows. | ||||||
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