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GB358587A - Improvements in electric control systems - Google Patents

Improvements in electric control systems

Info

Publication number
GB358587A
GB358587A GB1338331A GB1338331A GB358587A GB 358587 A GB358587 A GB 358587A GB 1338331 A GB1338331 A GB 1338331A GB 1338331 A GB1338331 A GB 1338331A GB 358587 A GB358587 A GB 358587A
Authority
GB
United Kingdom
Prior art keywords
locomotive
track
grid
valve
transformer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1338331A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB1338331A priority Critical patent/GB358587A/en
Publication of GB358587A publication Critical patent/GB358587A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
    • B61L3/12—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
    • B61L3/121—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using magnetic induction
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current
    • H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/34—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using Ward-Leonard arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

358,587. Track apparatus for stopping trains. STEVENS, R. J., Dunoon, Coombe Lane, Kingston Hill, Surrey. July 7, 1930, Nos. 13383/31 and 13384/31. Divided on 358,516. [Class 105.] The motor of a Dieselelectric locomotive is supplied from a Ward-Leonard generator, the field of which is in circuit with a thermionic valve for control thereby. The grid potential of the valve is varied by an iron shield manually movable between the primary and secondary of a transformer to alter the coupling therebetween and so to vary the secondary voltage, the swing of which is applied to the grid. An iron plate 56, located at the side of the track, may be raised from a signal-box, so that as the locomotive passes, it projects between the primary and secondary of another transformer suspended under the locomotive. The coupling between the transformer windings is thus reduced so that the grid swing of another valve is also reduced and this causes the locomotive to slow down to a creeping speed. A second shield on the track causes the brakes to be applied fully and the locomotive brought to rest.
GB1338331A 1930-07-07 1930-07-07 Improvements in electric control systems Expired GB358587A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1338331A GB358587A (en) 1930-07-07 1930-07-07 Improvements in electric control systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1338331A GB358587A (en) 1930-07-07 1930-07-07 Improvements in electric control systems

Publications (1)

Publication Number Publication Date
GB358587A true GB358587A (en) 1931-10-07

Family

ID=10021951

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1338331A Expired GB358587A (en) 1930-07-07 1930-07-07 Improvements in electric control systems

Country Status (1)

Country Link
GB (1) GB358587A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2805398A (en) * 1953-12-31 1957-09-03 Bell Telephone Labor Inc Automatic distortion correction
US3297940A (en) * 1962-06-01 1967-01-10 Internat Instr Inc Means for reproducing a pattern as a d. c. output
CN109733418A (en) * 2019-01-04 2019-05-10 中车青岛四方机车车辆股份有限公司 The anti-oscillation device of suspension train, only pendular regime and suspension train

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2805398A (en) * 1953-12-31 1957-09-03 Bell Telephone Labor Inc Automatic distortion correction
US3297940A (en) * 1962-06-01 1967-01-10 Internat Instr Inc Means for reproducing a pattern as a d. c. output
CN109733418A (en) * 2019-01-04 2019-05-10 中车青岛四方机车车辆股份有限公司 The anti-oscillation device of suspension train, only pendular regime and suspension train

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