GB191405351A - Improvements in Electrical Train-controlling Systems for Railroads. - Google Patents

Improvements in Electrical Train-controlling Systems for Railroads.

Info

Publication number
GB191405351A
GB191405351A GB191405351DA GB191405351A GB 191405351 A GB191405351 A GB 191405351A GB 191405351D A GB191405351D A GB 191405351DA GB 191405351 A GB191405351 A GB 191405351A
Authority
GB
United Kingdom
Prior art keywords
valve
piston
auxiliary
railroads
pipe
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
Inventor
Harry Joseph Warthen
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
Application granted granted Critical
Publication of GB191405351A publication Critical patent/GB191405351A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Systems And Boosters (AREA)

Abstract

5351. Warthen, H. J. March 2. Actuating; piston valves.-In an automatic electrical train-control system, an auxiliary valve 41 is operated by a solenoid 25 controlled from the railway track or from the engine when certain conditions of danger obtain in the system. This auxiliary valve 41 controls a piston valve 34, which is itself the auxiliary or relay valve of the main brake valve which is of similar construction. When the valve 41 is opened, the air pressure below a piston 33 is reduced and the valve piston 32 falls, closing a normally open thoroughfare 34 to a pipe 36 and opening that pipe to the atmosphere through a port 38, thereby causing the operation of the main brake valve. Reference has been directed by the Comptroller to Specification 28,436/07, [Class 105, Railway signals &c.].
GB191405351D 1914-03-02 1914-03-02 Improvements in Electrical Train-controlling Systems for Railroads. Expired GB191405351A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191405351T 1914-03-02

Publications (1)

Publication Number Publication Date
GB191405351A true GB191405351A (en) 1915-03-02

Family

ID=32582435

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191405351D Expired GB191405351A (en) 1914-03-02 1914-03-02 Improvements in Electrical Train-controlling Systems for Railroads.

Country Status (1)

Country Link
GB (1) GB191405351A (en)

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