CA986612A - Track quality meter - Google Patents

Track quality meter

Info

Publication number
CA986612A
CA986612A CA199140A CA199140A CA986612A CA 986612 A CA986612 A CA 986612A CA 199140 A CA199140 A CA 199140A CA 199140 A CA199140 A CA 199140A CA 986612 A CA986612 A CA 986612A
Authority
CA
Canada
Prior art keywords
quality meter
track quality
track
meter
quality
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
CA199140A
Other versions
CA199140S (en
Inventor
Henry C. Sibley
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.)
SPX Corp
Original Assignee
General Signal Corp
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 General Signal Corp filed Critical General Signal Corp
Application granted granted Critical
Publication of CA986612A publication Critical patent/CA986612A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/18—Railway track circuits
    • B61L1/181—Details
    • B61L1/187—Use of alternating current

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
CA199140A 1973-07-16 1974-05-07 Track quality meter Expired CA986612A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US379662A US3870952A (en) 1973-07-16 1973-07-16 Ballast resistance and track continuity indicating circuit

Publications (1)

Publication Number Publication Date
CA986612A true CA986612A (en) 1976-03-30

Family

ID=23498159

Family Applications (1)

Application Number Title Priority Date Filing Date
CA199140A Expired CA986612A (en) 1973-07-16 1974-05-07 Track quality meter

Country Status (2)

Country Link
US (1) US3870952A (en)
CA (1) CA986612A (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980944A (en) * 1974-11-08 1976-09-14 Renal Systems, Inc. Portable conductivity meter for artificial kidney machines
IT1151495B (en) * 1980-04-18 1986-12-17 Ansaldo Sa HARMONIC TRACTION CURRENT DISTANCE DETECTOR IN TRACK CIRCUITS
US4713653A (en) * 1982-09-29 1987-12-15 Julian A. Mcdermott Corp. High voltage protector
US4975685A (en) * 1989-05-08 1990-12-04 General Motors Corporation Guide path short detector
US5680054A (en) * 1996-02-23 1997-10-21 Chemin De Fer Qns&L Broken rail position detection using ballast electrical property measurement
US10308265B2 (en) 2006-03-20 2019-06-04 Ge Global Sourcing Llc Vehicle control system and method
US9733625B2 (en) 2006-03-20 2017-08-15 General Electric Company Trip optimization system and method for a train
US6593801B1 (en) * 2002-06-07 2003-07-15 Pericom Semiconductor Corp. Power down mode signaled by differential transmitter's high-Z state detected by receiver sensing same voltage on differential lines
US9950722B2 (en) 2003-01-06 2018-04-24 General Electric Company System and method for vehicle control
US9956974B2 (en) 2004-07-23 2018-05-01 General Electric Company Vehicle consist configuration control
US7295017B2 (en) * 2005-10-03 2007-11-13 General Electric Company Method and system for calculating railroad track ballast resistance
US9689681B2 (en) 2014-08-12 2017-06-27 General Electric Company System and method for vehicle operation
US9828010B2 (en) 2006-03-20 2017-11-28 General Electric Company System, method and computer software code for determining a mission plan for a powered system using signal aspect information
CN101324643A (en) * 2007-06-15 2008-12-17 鸿富锦精密工业（深圳）有限公司 Device and method for testing transmission line characteristic impedance
US8914171B2 (en) 2012-11-21 2014-12-16 General Electric Company Route examining system and method
AU2013299501B2 (en) 2012-08-10 2017-03-09 Ge Global Sourcing Llc Route examining system and method
US9702715B2 (en) 2012-10-17 2017-07-11 General Electric Company Distributed energy management system and method for a vehicle system
US9255913B2 (en) 2013-07-31 2016-02-09 General Electric Company System and method for acoustically identifying damaged sections of a route
US10006877B2 (en) 2014-08-20 2018-06-26 General Electric Company Route examining system and method
US11260888B2 (en) * 2018-11-16 2022-03-01 Alstom Transport Technologies Method and system for health assessment of a track circuit and/or of a track section

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2930888A (en) * 1956-03-05 1960-03-29 Archibald M Crawford Coupling speed control device
US2985752A (en) * 1959-01-05 1961-05-23 Fines Fred Railroad track circuit
US3387064A (en) * 1966-05-02 1968-06-04 Ivan L. Joy Rail shunt resistance indicating system
US3553481A (en) * 1968-07-24 1971-01-05 Harold W Hasenbeck Automatic soil watering system

Also Published As

Publication number Publication date
US3870952A (en) 1975-03-11

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