IT1027295B - Dispositivo transistorizzato di sicurezza intrinseca di controllo di sovravelocita particolarmente per veicoli ferroviaro - Google Patents

Dispositivo transistorizzato di sicurezza intrinseca di controllo di sovravelocita particolarmente per veicoli ferroviaro

Info

Publication number
IT1027295B
IT1027295B IT67081/75A IT6708175A IT1027295B IT 1027295 B IT1027295 B IT 1027295B IT 67081/75 A IT67081/75 A IT 67081/75A IT 6708175 A IT6708175 A IT 6708175A IT 1027295 B IT1027295 B IT 1027295B
Authority
IT
Italy
Prior art keywords
railway vehicles
intrinsically safe
overspeed control
control particularly
transistorized device
Prior art date
Application number
IT67081/75A
Other languages
English (en)
Inventor
H Grundy Reed
Original Assignee
Westinghouse Air Brake Co
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 Westinghouse Air Brake Co filed Critical Westinghouse Air Brake Co
Application granted granted Critical
Publication of IT1027295B publication Critical patent/IT1027295B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/4802—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage by using electronic circuits in general
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/07—Indicating devices, e.g. for remote indication
    • G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
    • G01P1/10—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds
    • G01P1/103—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds by comparing the value of the measured signal with one or several reference values
    • 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
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/16—Controlling the angular speed of one shaft

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Amplifiers (AREA)
IT67081/75A 1974-01-23 1975-01-16 Dispositivo transistorizzato di sicurezza intrinseca di controllo di sovravelocita particolarmente per veicoli ferroviaro IT1027295B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US435689A US3868548A (en) 1974-01-23 1974-01-23 Fail-safe transistorized overspeed circuit arrangement

Publications (1)

Publication Number Publication Date
IT1027295B true IT1027295B (it) 1978-11-20

Family

ID=23729400

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67081/75A IT1027295B (it) 1974-01-23 1975-01-16 Dispositivo transistorizzato di sicurezza intrinseca di controllo di sovravelocita particolarmente per veicoli ferroviaro

Country Status (5)

Country Link
US (1) US3868548A (it)
AU (1) AU7411574A (it)
CA (1) CA1038471A (it)
GB (1) GB1488941A (it)
IT (1) IT1027295B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4134373A (en) * 1977-10-03 1979-01-16 General Motors Corporation Engine speed limiting control circuit
US4368440A (en) * 1980-10-23 1983-01-11 American Standard Inc. Fail-safe low-pass filtering circuit
US5331261A (en) * 1990-12-20 1994-07-19 General Electric Company Regenerative braking protection for an electrically-propelled traction vehicle
US5283507A (en) * 1990-12-20 1994-02-01 General Electric Company Regenerative braking protection for an electrically-propelled traction vehicle
FR2703492B1 (fr) * 1993-04-01 1995-05-24 Claude Ricard Adaptateur électronique pour taximètre et procédé de calibrage de cet adaptateur.
DE19823682C1 (de) * 1998-05-27 2000-03-16 Siemens Nixdorf Inf Syst Schaltungsanordnung zur Drehzahlerfassung elektronisch kommutierter Elektromotoren
US9590701B2 (en) * 2014-09-08 2017-03-07 Broadcom Corporation Feedback-based adaptive load modulation (ALM) for a near field communication (NFC) device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL245379A (nl) * 1958-11-17 Acec Automatisch rembesturingsstelsel bij treinen
US3270199A (en) * 1962-09-14 1966-08-30 Gen Signal Corp Speed control system for vehicles
US3334224A (en) * 1964-12-14 1967-08-01 Gen Electric Automatic control system for vehicles
DE1292902B (de) * 1965-06-23 1969-04-17 Licentia Gmbh Einrichtung zur digitalen Lageregelung
US3651765A (en) * 1970-04-14 1972-03-28 Westinghouse Air Brake Co Train line communication and control stem

Also Published As

Publication number Publication date
AU7411574A (en) 1976-04-15
GB1488941A (en) 1977-10-19
US3868548A (en) 1975-02-25
CA1038471A (en) 1978-09-12

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