BE874784A - RAILWAY NEEDLE OPERATION DEVICE - Google Patents

RAILWAY NEEDLE OPERATION DEVICE

Info

Publication number
BE874784A
BE874784A BE2/57654A BE2057654A BE874784A BE 874784 A BE874784 A BE 874784A BE 2/57654 A BE2/57654 A BE 2/57654A BE 2057654 A BE2057654 A BE 2057654A BE 874784 A BE874784 A BE 874784A
Authority
BE
Belgium
Prior art keywords
operation device
needle operation
railway
railway needle
needle
Prior art date
Application number
BE2/57654A
Other languages
French (fr)
Original Assignee
Dietrich & Cie De
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 Dietrich & Cie De filed Critical Dietrich & Cie De
Publication of BE874784A publication Critical patent/BE874784A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/08—Underground actuating arrangements, e.g. for tramways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/04—Fluid-pressure devices for operating points or scotch-blocks
    • B61L5/045—Fluid-pressure devices for operating points or scotch-blocks using electrically controlled fluid-pressure operated driving means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
BE2/57654A 1978-11-29 1979-03-13 RAILWAY NEEDLE OPERATION DEVICE BE874784A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7834157A FR2442750A1 (en) 1978-11-29 1978-11-29 Tramway track points switch - has hydraulic circuit operating mechanical transmission, with electric or electronic control

Publications (1)

Publication Number Publication Date
BE874784A true BE874784A (en) 1979-07-02

Family

ID=9215674

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/57654A BE874784A (en) 1978-11-29 1979-03-13 RAILWAY NEEDLE OPERATION DEVICE

Country Status (2)

Country Link
BE (1) BE874784A (en)
FR (1) FR2442750A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2523537B2 (en) * 1978-11-29 1986-05-30 Dietrich & Cie De DEVICE FOR MANEUVERING NEEDLES OF RAILWAYS
US6427950B1 (en) 1999-06-04 2002-08-06 Meridian Rail Information Systems Corp. Electrically operated railroad switch machine
ITMI20061647A1 (en) * 2006-08-28 2008-02-29 Gen Electric HYDRAULIC ENGINE FOR RAILWAY EXCHANGES

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH520009A (en) * 1970-06-16 1972-03-15 Int Standard Electric Corp Electrohydraulic drive for switching between drive-on and non-drive-on switches in railway systems
FR2142687B1 (en) * 1971-06-23 1973-06-29 Theissen Jacques
FR2196619A5 (en) * 1972-08-17 1974-03-15 Sncf
FR2271098A2 (en) * 1973-10-26 1975-12-12 Theissen Jacques Railway points actuation mechanism - has four-way distributor/reverser valves between pump and actuating rams
FR2280537A2 (en) * 1974-08-02 1976-02-27 Sncf Electrically controlled hydraulic point operation - when mechanically constrained device to actuate contacts in fluid control circuit

Also Published As

Publication number Publication date
FR2442750B1 (en) 1984-10-12
FR2442750A1 (en) 1980-06-27

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: S.A. COGIFER

Effective date: 19990313