BR8002402A - Aparelho regulador de tensao vital e de mudanca de fase,e disposicao de regulador de tensao vital e de circuito de mudanca de fase - Google Patents

Aparelho regulador de tensao vital e de mudanca de fase,e disposicao de regulador de tensao vital e de circuito de mudanca de fase

Info

Publication number
BR8002402A
BR8002402A BR8002402A BR8002402A BR8002402A BR 8002402 A BR8002402 A BR 8002402A BR 8002402 A BR8002402 A BR 8002402A BR 8002402 A BR8002402 A BR 8002402A BR 8002402 A BR8002402 A BR 8002402A
Authority
BR
Brazil
Prior art keywords
phase change
voltage regulator
vital voltage
circuit arrangement
appliance
Prior art date
Application number
BR8002402A
Other languages
English (en)
Inventor
H Gilcher
Original Assignee
American Standard Inc
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 American Standard Inc filed Critical American Standard Inc
Publication of BR8002402A publication Critical patent/BR8002402A/pt

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
    • B61L1/187—Use of alternating current
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/04—Regulating voltage or current wherein the variable is AC
    • G05F3/06—Regulating voltage or current wherein the variable is AC using combinations of saturated and unsaturated inductive devices, e.g. combined with resonant circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
BR8002402A 1979-04-20 1980-04-18 Aparelho regulador de tensao vital e de mudanca de fase,e disposicao de regulador de tensao vital e de circuito de mudanca de fase BR8002402A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/031,885 US4258312A (en) 1979-04-20 1979-04-20 Vital voltage regulator and phase shift circuit arrangement

Publications (1)

Publication Number Publication Date
BR8002402A true BR8002402A (pt) 1980-12-02

Family

ID=21861918

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8002402A BR8002402A (pt) 1979-04-20 1980-04-18 Aparelho regulador de tensao vital e de mudanca de fase,e disposicao de regulador de tensao vital e de circuito de mudanca de fase

Country Status (5)

Country Link
US (1) US4258312A (pt)
BR (1) BR8002402A (pt)
CA (1) CA1133057A (pt)
GB (1) GB2047925B (pt)
IT (1) IT1165518B (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4535959A (en) * 1982-08-02 1985-08-20 American Standard Inc. Vital solid state relay for railroad alternating current track circuits
US5737173A (en) * 1994-04-29 1998-04-07 Safetran Systems Corporation Railroad track circuit vital relay control
RU2168261C2 (ru) * 1999-05-31 2001-05-27 Поляков Сергей Александрович Усилитель мощности низкой частоты с питанием от сети переменного тока
US7296770B2 (en) * 2005-05-24 2007-11-20 Union Switch & Signal, Inc. Electronic vital relay
CN101206490A (zh) * 2006-12-20 2008-06-25 鸿富锦精密工业（深圳）有限公司 三相交流稳压器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1566333A (en) * 1923-10-26 1925-12-22 Union Switch & Signal Co Static-phase-shifting apparatus
US1963243A (en) * 1929-05-11 1934-06-19 Telefunken Gmbh Constant voltage system
US1940437A (en) * 1929-06-25 1933-12-19 Telefunken Gmbh Electrical network
US2221456A (en) * 1938-06-16 1940-11-12 Closman P Stocker Electrical regulator
US3970271A (en) * 1975-03-27 1976-07-20 General Signal Corporation Dual frequency track circuit
US4188002A (en) * 1978-10-23 1980-02-12 Westinghouse Air Brake Company Vital power varistor circuit for railroad signaling systems

Also Published As

Publication number Publication date
CA1133057A (en) 1982-10-05
US4258312A (en) 1981-03-24
IT1165518B (it) 1987-04-22
IT8067609A0 (it) 1980-04-18
GB2047925B (en) 1983-09-07
GB2047925A (en) 1980-12-03

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Legal Events

Date Code Title Description
MK Patent expired

Effective date: 19950418