AR216500A1 - Maquina de cambio de agujas de ferrocarril - Google Patents

Maquina de cambio de agujas de ferrocarril

Info

Publication number
AR216500A1
AR216500A1 AR270960A AR27096078A AR216500A1 AR 216500 A1 AR216500 A1 AR 216500A1 AR 270960 A AR270960 A AR 270960A AR 27096078 A AR27096078 A AR 27096078A AR 216500 A1 AR216500 A1 AR 216500A1
Authority
AR
Argentina
Prior art keywords
railroad
change machine
needle change
needle
machine
Prior art date
Application number
AR270960A
Other languages
English (en)
Original Assignee
Westinghouse Brake & Signal
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
Priority claimed from GB4375/77A external-priority patent/GB1574235A/en
Application filed by Westinghouse Brake & Signal filed Critical Westinghouse Brake & Signal
Application granted granted Critical
Publication of AR216500A1 publication Critical patent/AR216500A1/es

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
    • B61L5/04—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)
  • Multiple-Way Valves (AREA)
  • Fluid-Driven Valves (AREA)
AR270960A 1977-02-03 1978-02-03 Maquina de cambio de agujas de ferrocarril AR216500A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4375/77A GB1574235A (en) 1977-02-03 1977-02-03 Railway points machines
GB2976977 1977-07-15

Publications (1)

Publication Number Publication Date
AR216500A1 true AR216500A1 (es) 1979-12-28

Family

ID=26239082

Family Applications (1)

Application Number Title Priority Date Filing Date
AR270960A AR216500A1 (es) 1977-02-03 1978-02-03 Maquina de cambio de agujas de ferrocarril

Country Status (8)

Country Link
US (1) US4213588A (es)
AR (1) AR216500A1 (es)
AU (1) AU3270478A (es)
BR (1) BR7800595A (es)
ES (1) ES466624A1 (es)
FR (1) FR2379415A1 (es)
IN (1) IN147860B (es)
NZ (1) NZ186364A (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2458442B1 (fr) * 1979-06-13 1985-06-14 Dietrich & Cie De Dispositif de motorisation d'une boite de manoeuvre manuelle d'aiguillage associee ou non a un calage d'aiguilles
FR2510059B1 (fr) * 1981-07-23 1987-12-04 Dietrich & Cie De Mecanisme de manoeuvre d'aiguillages de voies ferrees du " type cale "
DE3825182C2 (de) * 1988-07-25 1997-05-22 Tiefenbach Gmbh Weichenantrieb
IT1242226B (it) * 1990-10-10 1994-03-03 Sasib Spa Dispositivo di manovra per deviatoi ferroviari, in particolare per linee ad alta velocita'
ES2122623T3 (es) * 1994-06-24 1998-12-16 Vae Ag Dispositivo para cambio de agujas.
DE19545784A1 (de) * 1995-12-08 1997-06-12 Sel Alcatel Ag Vorrichtung zur gleichzeitigen Kraftausübung mittels hydraulisch hintereinandergeschalteter hydraulisch er Stelleinheiten
US6427950B1 (en) 1999-06-04 2002-08-06 Meridian Rail Information Systems Corp. Electrically operated railroad switch machine
KR100952636B1 (ko) * 2002-11-12 2010-04-13 한국항공우주산업 주식회사 항공기의 랜딩기어 테스트장치
AT501894B1 (de) * 2005-05-27 2006-12-15 Metall Und Kunststoffwaren Erz Antriebssystem für eine schienenweiche
ITMI20061647A1 (it) * 2006-08-28 2008-02-29 Gen Electric Motore idraulico per scambi ferroviari
FR2905922B1 (fr) * 2006-09-14 2008-12-05 Vossloh Cogifer Sa Mecanisme de manoeuvre d'aiguilles
US7946538B1 (en) * 2009-12-09 2011-05-24 Donald Coy Beaman External point spring locking device
EP2418135B1 (en) * 2010-07-22 2013-04-17 ALSTOM Transport SA Method and oil-hydraulic control unit for supplying oil-hydraulic actuators in switch machines of railway points
US9429220B2 (en) * 2013-03-15 2016-08-30 Brandt Road Rail Corporation Vehicle differential lock disengagement bypass
US9352762B2 (en) 2013-05-17 2016-05-31 Voestalpine Nortrak Inc. Dual independent control hydraulic switch machine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1708245A (en) * 1926-09-18 1929-04-09 Lesher W Van Buskirk Automatic switch operator
US1789108A (en) * 1929-05-01 1931-01-13 John J Meadows Railway-switch-control apparatus
US2098831A (en) * 1935-03-29 1937-11-09 Union Switch & Signal Co Railway switch operating apparatus
US2812426A (en) * 1949-12-24 1957-11-05 Gen Railway Signal Co Switch machine
US3015464A (en) * 1958-10-07 1962-01-02 Westinghouse Air Brake Co Railway switch control apparatus
US3158345A (en) * 1961-09-19 1964-11-24 American Brake Shoe Co Railway switch actuating mechanism
GB1488861A (en) * 1974-01-18 1977-10-12 Westinghouse Brake & Signal Hydraulic or pneumatic points machines

Also Published As

Publication number Publication date
ES466624A1 (es) 1979-01-16
US4213588A (en) 1980-07-22
AU3270478A (en) 1979-08-02
IN147860B (es) 1980-07-26
FR2379415A1 (fr) 1978-09-01
NZ186364A (en) 1981-02-11
BR7800595A (pt) 1978-09-12

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