公开(公告)号：US2235104A

公开(公告)日：1941-03-18

申请号：US19563338

申请日：1938-03-12

Applicant: GREENLY ENGINEERING MODELS LTD

Inventor： HENRY GREENLY

IPC: B61L1/08 ,  H01H36/00

CPC classification number: B61L1/08 ,  H01H36/008

公开(公告)号：US10773742B2

公开(公告)日：2020-09-15

申请号：US15703412

申请日：2017-09-13

Applicant: Siemens Canada Limited

Inventor： Frederick Toshack

IPC: B61L29/32 ,  B61L1/18 ,  G08G1/07 ,  B61L29/28 ,  G08G1/087 ,  B61L1/08

Abstract: A warning system comprising an advanced preemption system is provided to provide warning of an additional advanced preemption time directly from a wayside inspector to a city traffic controller to turn one or more traffic lights red on a route intersecting with the railroad crossing. The advanced preemption system includes a first set of wireless magnetometers to be installed on a railway track of the railroad crossing on a first side of the railroad crossing. The first set of wireless magnetometers to be located at an advanced preemption crossing start activation point that is being at a distance before an existing crossing start activation point of the railroad crossing to provide the warning of the additional advanced preemption time.

公开(公告)号：US10577001B2

公开(公告)日：2020-03-03

申请号：US16312452

申请日：2017-06-01

Applicant: SIEMENS AKTIENGESELLSCHAFT

Inventor： Rainer Freise

IPC: B61L1/16 ,  G01P13/04 ,  B61L1/08

Abstract: A transmitter device for a sensor device detects a magnetic field change caused by an object approaching or moving past the sensor device, in particular by a wheel of a rail vehicle. The transmitter device has at least two alternating-current-fed transmitter oscillating circuits. In order to implement error disclosure of the sensor device in a particularly simple manner, the at least two transmitter oscillating circuits are formed in such a way that the resonance frequencies thereof are different from each other. A sensor device and a method for detecting a magnetic field change are also provided.

公开(公告)号：US20190152499A1

公开(公告)日：2019-05-23

申请号：US16094993

申请日：2017-04-27

Applicant: Bombardier Transportation (ZWUS) Polska Sp. z o. o

Inventor： Marek Górnioczek ,  Dariusz Zielinski ,  Andrzej Kopacz ,  Grzegorz Musiol ,  Adam Szczeponik ,  Kamil Binczyk ,  Wojciech Kolton ,  Aleksandra Sawodni

IPC: B61L1/16 ,  B61L1/08

Abstract: Provided is a wheel detector for detecting a wheel of a rail vehicle, including two detector channels. Each channel includes a coil unit which is connected with a measurement and feeding module for feeding the coil unit with an output signal of the measurement and feeding module. A decision module of the respective channel is bi-directionally connected to the measurement and feeding module. The measurement and feeding module of each channel includes a temperature measurement module and/or a module for measurement of mechanical vibration, that is/are connected with an input/inputs of a decision module of the channel. The decision modules are connected via a bidirectional digital interface. The decision module of one channel is connected via a bidirectional digital interface with a data transmission module for communication with a supervisory system via a data transmission line.

公开(公告)号：US5502367A

公开(公告)日：1996-03-26

申请号：US292580

申请日：1994-08-19

Applicant: Richard S. Jones

Inventor： Richard S. Jones

IPC: E01F13/06 ,  H02P7/00 ,  H02P7/06 ,  B61L1/08

CPC classification number: E01F13/06 ,  B61L29/22 ,  H02P7/03

Abstract: Highway crossing gate control circuit in which a permanent magnet motor is controlled to drive up and drive down the gate arm by utilization of a single motor control relay and controller contacts which sense the position of the gate arm. The motor polarity is reversed through utilization of the motor control relay, which is operated by a single up input signal. Provision is included for dynamic breaking on the arm moving downward after an initial drive down mode.

Abstract translation: 公路交叉门控制电路，其中通过利用单个电动机控制继电器和感测门臂位置的控制器触点来控制永磁电动机来驱动并驱动门臂。 通过使用由单个向上输入信号操作的电机控制继电器，电机极性反转。 在初始降速模式后，手臂动态断开包括向下移动的配置。

公开(公告)号：US5483816A

公开(公告)日：1996-01-16

申请号：US352582

申请日：1994-12-09

Applicant: Wolfgang Nayer ,  Josef Frauscher

Inventor： Wolfgang Nayer ,  Josef Frauscher

IPC: B61L1/08 ,  B61L1/10 ,  B61L1/14 ,  B61L1/16 ,  B61L23/00 ,  G01N27/82

CPC classification number: B61L23/00 ,  B61L1/08 ,  B61L1/10 ,  B61L1/14 ,  B61L1/16

Abstract: An adjustable scanning range is provided for vehicle-activated measuring equipment of the type which includes receiver coils positioned on opposite sides of a transmitter such that voltages induced in the received coils from the transmitter are altered as the vehicle passes, the measuring occurring through the application of the induced voltages to a comparison circuit. Altering the input(s) to the comparison circuit by a constant voltage value allows the scanning range to be adjusted.

Abstract translation: 为车辆启动的测量设备提供可调扫描范围，该测量设备包括位于发射器相对侧的接收器线圈，使得在接收到的线圈中从发射器感应的电压随车辆通过而改变，测量通过应用发生 的感应电压到比较电路。 通过恒定电压值将输入改变为比较电路允许调整扫描范围。

公开(公告)号：US4179744A

公开(公告)日：1979-12-18

申请号：US882864

申请日：1978-03-02

Applicant: Carl W. Lowe

Inventor： Carl W. Lowe

IPC: B61L1/08 ,  F02B3/06 ,  G01R31/00 ,  G06F15/20 ,  G01R33/02

CPC classification number: B61L1/08 ,  G01R31/00 ,  F02B3/06

Abstract: Magnetic fields of electrical operating components of electric-traction-motor powered vehicles, especially diesel electric and all-electric railway locomotives, are sensed as the vehicles pass given locations along their respective paths of travel, and the signals so obtained are processed to yield perceptible outputs, such as oscillograph charts or computer printouts, indicative of performance and any maintenance work that must be done for maximum utilization of available energy. In instances in which speed of the vehicle is a significant factor, that information is ascertained and utilized in the processing of the signals derived from sensing the magnetic fields. The apparatus comprises one or more magnetic field sensors, such as standard relay coils, strategically located with respect to the path of travel of the vehicle, and information processing equipment adapted to receive signals from the sensors and speed information, if significant, and to provide a perceptible output indicative of performance and any maintenance work required.

Abstract translation: 电动牵引电动机动车辆的电气操作部件的磁场，特别是柴油电动和全电动铁路机车，当车辆沿其相应的行进路径通过给定位置时被感测，并且所得到的信号被处理以产生可察觉的 输出，例如示波器图表或计算机打印输出，指示性能以及为最大限度利用可用能量必须进行的任何维护工作。 在车辆速度是重要因素的情况下，该信息被确定并用于处理从感测磁场得到的信号。 该装置包括一个或多个磁场传感器，例如相对于车辆行进路线策略地定位的标准继电器线圈，以及适于从传感器接收信号和速度信息的信息处理设备，如果有意义的话，并提供 一个可察觉的输出，表明性能和所需的任何维护工作。

公开(公告)号：US3842744A

公开(公告)日：1974-10-22

申请号：US33442973

申请日：1973-02-21

Applicant: VIS W

Inventor： VIS W

IPC: G05D1/02 ,  B07C3/00 ,  B07C3/16 ,  B61L23/00 ,  B65G47/49 ,  G08G1/09 ,  B61L1/08

CPC classification number: B65G47/496 ,  B07C3/005 ,  B07C3/16 ,  B61L23/005

Abstract: A system for controlling the path of a vehicle to a predetermined, coded, destination with code scanning switch members on the vehicle and activating members along the path, the scanning switches being connected to the inputs of selecting switches and to memories controllable by a control signal through the scanning switches and in combination constituting a path control circuit, the outputs of the selecting switches being supplied with the control signal.

公开(公告)号：US3562603A

公开(公告)日：1971-02-09

申请号：US3562603D

申请日：1968-10-30

Applicant: GEN SIGNAL CORP

Inventor： SMITH WILLIS R

IPC: B61L1/08 ,  H01H47/00 ,  B61L11/08 ,  B61L13/04

CPC classification number: B61L1/08 ,  Y10T307/872

Abstract: This device detects the proximity of magnetic objects, and comprises a permanent magnet associated with a spaced reed relay which has its contact normally held in an actuated position by the flux from the magnet. Such contact is released when flux from the magnet is diverted to a different path by the presence of a magnetic body; but restoration of normal flux from permanent magnet does not actuate the contact. A coil surrounding the reed relay contact is energized from a repeater relay when the reed contact is released. Thus, oscillation occurs during the detection of an object but stops during the absence of such object. Relay means is provided to be responsive to the steady state condition of the repeater relay, but to be unresponsive to an oscillatory condition. Such relay means, when responsive to the steady state of the reed relay contact, also provides a slight holding effect in addition to the normal flux from the permanent magnet to render the reed relay contact less responsive to the diversion of flux from the permanent magnet; but, when the reed relay contact is once released, such holding effect is removed so that the oscillatory condition is steadily maintained until the magnetic object is removed and the diversion of flux is stopped. This provides a positive acting and a sensitive proximity detector for relatively high speed operation.

公开(公告)号：US3187127A

公开(公告)日：1965-06-01

申请号：US16514462

申请日：1962-01-09

Applicant: WESTINGHOUSE AIR BRAKE CO

Inventor： HESS RICHARD C

IPC: B61L1/08

CPC classification number: B61L1/08