Normally Live Section Patents (Class 191/15)
  • Patent number: 6230861
    Abstract: A buried power supply system for an electric vehicle (17) equipped with collector shoes (16, 22), the system comprising a succession of conductive segments (5A, 5B, 5C) that are electrically isolated from one another, and that form a conductive track for the shoes on a road surface. Each segment is provided with individual switching means (11) of the static type, which means are received under the segment in a trough along which a common power supply link (14) and a common return link (13) run. The switching means provide electrical continuity between the segment to which they are assigned and the power return link so long as a connection control signal for connecting a segment to the power supply link is not received from a vehicle either directly by the segment in question (5C) or by either of the immediately adjacent segments (5B, 5D). The vehicles include means for transmitting a connection control signal to a segment of track.
    Type: Grant
    Filed: May 20, 1999
    Date of Patent: May 15, 2001
    Assignee: Alstrom Entrepise SA
    Inventor: Daniel Cornic
  • Patent number: 6189664
    Abstract: A power line (1) wherein a hollow elongated enclosure (4) houses a conducting line (27) and an elastically deformable strip element (60) which is normally in a rest position extending substantially undeformed along the whole of the enclosure when the line is not engaged by an electric vehicle. The strip element (60) interacts with a magnetic field generated by an electric vehicle (80) engaging the line, to attract a portion (60a) of the strip element (60) into a raised contact position in which an electric connection is established between the conducting line (27) and at least one power plate (34) outside the enclosure (4). The line also has a detecting device (52) for detecting the strip element (60) in the rest position and so determining non-engagement of the line.
    Type: Grant
    Filed: December 10, 1999
    Date of Patent: February 20, 2001
    Assignee: Ansaldo Transporti S.p.A.
    Inventors: Vito Siciliano, Alcide Del Naja
  • Patent number: 5690197
    Abstract: A power supply device includes a power supply member having: a first conductive plate electrically connected with one of positive and negative terminals of a power source; a second conductive plate electrically connected with the other terminal; a first insulating layer provided between the first conductive plate and the second conductive plate; a second insulating layer provided on an outside surface of the second conductive plate; a plurality of supply electrode members attached on an outside surface of the second insulating layer, the plurality of supply electrode members being spaced from one another, one supply electrode member being electrically connected with the first conductive plate, another supply electrode member adjacent to the one supply electrode member being electrically connected with the second conductive plate; a plurality of current collecting electrode members provided in a movable object which is movable on a specified plane, one of at least two current collecting electrode members being
    Type: Grant
    Filed: February 21, 1996
    Date of Patent: November 25, 1997
    Assignee: Konami Co., Ltd.
    Inventors: Masanori Suganuma, Kazuhito Matsuura, Kohji Okamoto
  • Patent number: 5503259
    Abstract: A conveyor includes electrification rails and modules mounted on those rails to provide electricity to a pallet, so that appliances being carried on the pallet can be plugged in as they travel along the conveyor. The modules include an improved T-shaped shoe for contacting the bottom surface of the pallet, toe bars which prevent the shoe from pivoting sideways as the pallet pushes on the shoe, and a switch for turning power to the shoe on and off, depending upon whether there is a pallet on top of the shoe.
    Type: Grant
    Filed: August 22, 1995
    Date of Patent: April 2, 1996
    Assignee: Tekno, Inc.
    Inventors: Robert T. Clopton, Mike H. Goad
  • Patent number: 5449056
    Abstract: An electrified pallet conveyor system for conveying appliances under electrical connection for testing, and which includes an electrical distribution contact shoe busway assembly. The busway consists of an elongated tubular housing having a continuous side access slot and a number of bus bar conductors mounted inside which coextend with the housing for conducting electricity. The electrical contact shoe assemblies are inserted at any desired location along the busway by inserting them into the access slot and twisting them These contact shoe assemblies are prevented from further rotation by the confines of a closure strip which closes the side access slot of the housing off on opposite sides of the contact shoe assembly. A keying mechanism is also provided to prevent lateral movement of the contact shoe assembly in the bottom of the bus bar housing.
    Type: Grant
    Filed: November 23, 1993
    Date of Patent: September 12, 1995
    Assignee: U-S Safety Trolley Corp.
    Inventor: Steven L. Ross
  • Patent number: 5311973
    Abstract: A battery of an electric vehicle is inductively charged while the electrical vehicle is moving, using a magnetic field along different portions of an extended linear distance and an inductive coil mounted on an electric vehicle, by having the electric vehicle, as it traverses the different portions of the extended linear distance, move within the influence of the magnetic field. An apparatus senses progress of the electric vehicle along the extended linear distance. The apparatus produces the magnetic field by a power switch bank connected to an array of inductive coils.
    Type: Grant
    Filed: July 31, 1992
    Date of Patent: May 17, 1994
    Assignee: Ling-Yuan Tseng
    Inventors: Ling-Yuan Tseng, David Tseng
  • Patent number: 5277285
    Abstract: A transportation system for use with a roadway including conductive sections on the roadway so that electric vehicles having contact members thereon may contact the conductive sections. The sections extend in the direction of travel along the roadway and have spaces therebetween and the vehicle has at least three contact members spaced on the vehicle so that at least two of the contact members are always in contact with oppositely poled sections with unidirectional current flow means between each conductor and the motor.
    Type: Grant
    Filed: April 21, 1992
    Date of Patent: January 11, 1994
    Inventor: Nicholas R. Musachio
  • Patent number: 4836344
    Abstract: An electrical modular roadway system adapted for transmitting power to and controlling inductively coupled vehicles traveling thereon. The system comprises a plurality of elongated, electrically connected inductor modules arranged in an aligned end to end spaced apart order to form a continuous vehicle path. Each module has a magnetic core and power windings which generate a magnetic field extending above the road surface. Controllable relays are connected between modules for allowing operating electric current to either activate or bypass selected modules. Sensing windings in modules are activated by the presence of a vehicle on one module to provide control signals to relays for other modules.
    Type: Grant
    Filed: May 8, 1987
    Date of Patent: June 6, 1989
    Assignee: Inductran Corporation
    Inventor: John G. Bolger
  • Patent number: 4301899
    Abstract: A plurality of stationary markers (A, B, C, and D) are symmetrically placed at predetermined locations in the right of way of an electrically propelled traction vehicle on opposite sides of a transition point coinciding with a gap (14) between adjacent sections (13a, 13b) of a wayside conductor. Proximity sensing means (PSR, PSL) on the vehicle provide discrete output signals on a first line (43) upon passing the first and third markers (A and C) and on a second line (44) upon passing the second and fourth markers (B and D). Receiver logic means (42) includes means (108, 111-115, and 118-127), responsive to the output signals on the first and second lines, respectively, for producing a first control signal (on line 51) during the first-to-third marker interval and a second control signal (on line 50) during the second-to-third marker interval.
    Type: Grant
    Filed: April 21, 1980
    Date of Patent: November 24, 1981
    Assignee: General Electric Company
    Inventors: Lloyd W. McSparran, Paul T. Ryan, Russell M. Smith
  • Patent number: 4227595
    Abstract: A current transmitting system for use with a self-propelled automatically steered electric vehicle includes a pair of parallel, circularly arranged bus bars connected to a low-frequency A.C. power source, an induction cable extending along the bus bars and connected to a high-frequency A.C. power source, and a current collecting shoe slidable on and along each of the bus bars for transmitting the current carried by the bus bar to an electric device mounted in the vehicle. In this system, each of the bus bars is divided into two sections one of which is connected to the low-frequency A.C. power source through a coil.
    Type: Grant
    Filed: June 14, 1979
    Date of Patent: October 14, 1980
    Assignee: Nissan Motor Company, Limited
    Inventor: Mitsuharu Hamada