CA1036262A - Check-in, check-out track circuit arrangement - Google Patents

Check-in, check-out track circuit arrangement

Info

Publication number
CA1036262A
CA1036262A CA224,619A CA224619A CA1036262A CA 1036262 A CA1036262 A CA 1036262A CA 224619 A CA224619 A CA 224619A CA 1036262 A CA1036262 A CA 1036262A
Authority
CA
Canada
Prior art keywords
check
circuit arrangement
track circuit
out track
arrangement
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
CA224,619A
Other languages
French (fr)
Other versions
CA224619S (en
Inventor
Crawford E. Staples
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.)
Westinghouse Air Brake Co
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 CA1036262A publication Critical patent/CA1036262A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B61L1/185—Use of direct current

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
CA224,619A 1974-05-17 1975-04-15 Check-in, check-out track circuit arrangement Expired CA1036262A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US470802A US3907237A (en) 1974-05-17 1974-05-17 Check-in, check-out track circuit arrangement

Publications (1)

Publication Number Publication Date
CA1036262A true CA1036262A (en) 1978-08-08

Family

ID=23869097

Family Applications (1)

Application Number Title Priority Date Filing Date
CA224,619A Expired CA1036262A (en) 1974-05-17 1975-04-15 Check-in, check-out track circuit arrangement

Country Status (2)

Country Link
US (1) US3907237A (en)
CA (1) CA1036262A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022407A (en) * 1976-01-16 1977-05-10 Westinghouse Air Brake Company Railroad traffic control signaling system
AU523425B2 (en) * 1978-04-18 1982-07-29 Csr Humes Pty. Limited Concrete sleeper for track circuitry
FR2498546A1 (en) * 1981-01-29 1982-07-30 Jeumont Schneider METHOD FOR CONTROLLING A RAILWAY VEHICLE IN AUTOMATIC DRIVING
US7570062B2 (en) * 2004-12-10 2009-08-04 Eaton Corporation Method of actuating a test function of an electrical switching apparatus and electrical switching apparatus employing the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3309516A (en) * 1967-03-14 Railway signaling systems
US2448570A (en) * 1947-04-05 1948-09-07 Union Switch & Signal Co Trap circuit control for railway signals
US3401259A (en) * 1966-01-27 1968-09-10 Westinghouse Air Brake Co Movable block vehicle speed control system
US3552692A (en) * 1968-08-09 1971-01-05 Dashaveyor Co Railway control system
US3582644A (en) * 1968-10-02 1971-06-01 Westinghouse Air Brake Co Fail-safe speed control system for railroad trains

Also Published As

Publication number Publication date
US3907237A (en) 1975-09-23

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