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| Number | Title | Issue Date |
| 8033833 | Rotatable connector A rotatable connector includes a first rotating member and a second rotating member. The first rotating member includes a first surface and an opposite second surface. The first surface forms first pins, and the second surface forms fixing bodies each comprising a f... | 10/11/2011 |
| 7997905 | Machine tool or production machine or robot A machine tool or a production machine, such as e.g. a multispindle machine, or a robot, is described, wherein a liquid metal lubricated slide bearing is not only used to transmit feed currents for electrical consumers but also to transmit currents for producing con... | 08/16/2011 |
| 7726972 | Liquid metal rotary connector apparatus for a vehicle steering wheel and column 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 me... | 06/01/2010 |
| 7291123 | Joint for fluid transport lines for medical use The joint (36) comprises a tubular body (37) having two connecting zones (38, 39) each connected by an end to a tubular element (40) of a fluid transport line, giving continuity to passage of fluid. The tubular body is made of a mixture o... | 11/06/2007 |
| 7078348 | Dual layer patterning scheme to make dual damascene One aspect of the present invention relates to a method for making a dual damascene pattern in an insulative layer in a single etch process involving providing a wafer having at least one insulative layer formed thereon; depositing a first photoresist layer over the... | 07/18/2006 |
| 6663395 | Electrical joint employing conductive slurry 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 c... | 12/16/2003 |
| 6181574 | Control device, in particular for an automatic motor vehicle transmission A control device, in particular for controlling an automatic motor vehicle transmission, includes an electronic circuit mounted on a substrate. The circuit is accommodated in a housing which is sealed with respect to a surrounding fluid, and is connected ... | 01/30/2001 |
| 5866967 | Slip ring mechanism of non-sliding type 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, i... | 02/02/1999 |
| 5498164 | Automotive steering column electrical connector 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 co... | 03/12/1996 |
| 5159168 | Sliding contact roller head A roller head (10) for a resistance seam welding machine has an internally located sliding contact current transmission device (24) between stator 12) and rotor (14) and is composed of a pair of circular ring-shaped discs (26, 26') which extend radially b... | 10/27/1992 |
| 4842154 | Apparatus for underwater working Apparatus for underwater working, especially for heating, welding, torch cutting, cleaning and electrolytical coating of metal constructions with the aid of electrical current. The apparatus comprises a rotatable electrically conductive shaft (2) arranged... | 06/27/1989 |
| 4733038 | Contact member for supplying electrical current to an electro-erosion wire electrode A contact device for an electrical current supply of an electrode wire operating in an electro-erosion machine having an electrical conducting part, mounted in free rotation and solidly attached to a shaft extending perpendicularly to the plane of rotatio... | 03/22/1988 |
| 4625259 | Integral pivoting power supply The subject invention relates to an integrated electronic assembly comprising a power supply and as associated electronics unit powered thereby. The integral power supply housing is pivotal with respect to the electronics unit housing. Protruding from the... | 11/25/1986 |
| 4566744 | Current collector for rotating shaft A current collector having a housing which has a rotatably supported electrical contact shaft having a projecting end that is engageable with a rotating drive shaft, the housing including a mercury contact formed by a space containing mercury, one end of ... | 01/28/1986 |
| 4484789 | Mercury slip rings and method The invention comprises apparatus and a method for establishing electrical connections between stationary and rotating circuitry means of a device via a fluid mercury medium which avoids all previous dangers associated with the use of mercury and mercury ... | 11/27/1984 |
| 4483574 | Sliding electrical contacts for electric machinery Sliding electric contacts are disclosed which may be used, for example, to maintain electrical contact between two moving parts in a rotating machine. Electrical contact between two such parts separated by a constant average distance is maintained during ... | 11/20/1984 |
| 4203637 | Electrical power transmitting apparatus Electrical power of high intensity is transmitted to a rotating electrode with the use of an apparatus, wherein a shaft is provided with a connecting joint which is rigidly connected to a cylindrical container serving as the rotating electrode. A trough f... | 05/20/1980 |
| 4188523 | Roll electrode for use in a seam welding machine The roll electrode comprises a stator member and a rotor member surrounding the stator member with an annular gap therebetween and a liquid metal is filled in the gap. The liquid metal has a composition consisting of 69.5&#b1;5.0 atomic % of Ga, 15.2&#b1;... | 02/12/1980 |
| 4116749 | Apparatus for the application of polymer films on a support In the apparatus for applying a polymer film to a support as the film and support pass between a heating roller and a pressure roller the heating roller is provided with a freely movable electrical contact comprised of a disk extending into a pool of merc... | 09/26/1978 |
| 4063792 | Slip-ring connection For transfer of electrical energy at high voltage between relatively moving parts it is known to use slip rings and cooperating brushes immersed in insulating liquid. A liquid insulated slip ring connection is described, in which one part is caused to pas... | 12/20/1977 |
| 3972577 | Isobaric device with rotating electrical contacts An isobaric device housing rotating electrical contacts, including a wateight housing filled with an electrically insulating liquid at a pressure which is substantially the same as the pressure of the environment in which the device is to be used, and on... | 08/03/1976 |
| 3957330 | Electrical connections An electrical connection for coupling large currents (of the order of 30,000 Amps) to a rotating shaft (such as the support spindle of a drum cathode in an electrodeposition apparatus) with lower power loss as compared with conventional brush techniques. ... | 05/18/1976 |
