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FR1119161A - Improvements made to eddy current devices, such as speed bumps - Google Patents

Improvements made to eddy current devices, such as speed bumps

Info

Publication number
FR1119161A
FR1119161A FR1119161DA FR1119161A FR 1119161 A FR1119161 A FR 1119161A FR 1119161D A FR1119161D A FR 1119161DA FR 1119161 A FR1119161 A FR 1119161A
Authority
FR
France
Prior art keywords
eddy current
improvements made
current devices
speed bumps
bumps
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
Other languages
French (fr)
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.)
ELECTRO MECANIQUE DE LAVEYRON
Original Assignee
ELECTRO MECANIQUE DE LAVEYRON
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 ELECTRO MECANIQUE DE LAVEYRON filed Critical ELECTRO MECANIQUE DE LAVEYRON
Application granted granted Critical
Publication of FR1119161A publication Critical patent/FR1119161A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
    • H02K49/02—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type
    • H02K49/04—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type
    • H02K49/046—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type with an axial airgap

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Braking Arrangements (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
FR1119161D 1953-11-25 1953-11-25 Improvements made to eddy current devices, such as speed bumps Expired FR1119161A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1119161T 1953-11-25

Publications (1)

Publication Number Publication Date
FR1119161A true FR1119161A (en) 1956-06-15

Family

ID=89858096

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1119161D Expired FR1119161A (en) 1953-11-25 1953-11-25 Improvements made to eddy current devices, such as speed bumps

Country Status (4)

Country Link
US (1) US2830206A (en)
DE (1) DE1018527B (en)
FR (1) FR1119161A (en)
GB (1) GB752188A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1105046B (en) * 1957-12-19 1961-04-20 British Thomson Houston Co Ltd Eddy current brake
US3026431A (en) * 1957-02-22 1962-03-20 Cie Telma Eddy currents braking apparatus
FR2421752A1 (en) * 1978-04-06 1979-11-02 Leroy Somer Moteurs Vehicle transmission eddy current brake - has disc rotor fitted to transmission shaft and stator carries induction coils
FR2515442A1 (en) * 1981-10-28 1983-04-29 Labavia IMPROVEMENTS ON ROTORS OF ELECTROMAGNETIC RETARDERS
FR2541054A1 (en) * 1983-02-10 1984-08-17 Labavia IMPROVEMENTS ON ELECTRIC RETARDERS FOR VEHICLES
CH673361A5 (en) * 1987-10-06 1990-02-28 Oerlikon Buehrle Ag Magnetic eddy current brake for rail vehicle - has air-gap between stator and brake disc varied dependent on revs
FR2894090A1 (en) * 2005-11-30 2007-06-01 Telma Sa Two-stage fan for electromagnetic retarder in e.g. lorry, has set of blades arranged around another set of blades and forming stage towards exterior of fan, where number of blades in stage is higher than number of blades in another stage

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3484636A (en) * 1968-01-19 1969-12-16 Louis W Parker Stator assemblies for axial airgap machines
FR95552E (en) * 1968-02-29 1971-03-26 Labavia Improvements made to speed bumps.
FR2247846B1 (en) * 1973-10-15 1980-05-09 Labavia
EP0406470A1 (en) * 1989-07-07 1991-01-09 Johann Berger Stator for an eddy current brake
FR2981523B1 (en) * 2011-10-17 2014-06-06 Telma INTERCHANGEABLE STATOR OF ELECTROMAGNETIC RETARDER AND ELECTROMAGNETIC RETARDER EQUIPPED WITH SUCH A STATOR
DE102013211051A1 (en) * 2013-06-13 2014-12-18 Siemens Aktiengesellschaft Eddy current brake for braking a rotating element, in particular a shaft, with at least one rotor disk and arrangement with such an eddy current brake

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US596272A (en) * 1897-12-28 Electric bicycle
US2230878A (en) * 1936-05-27 1941-02-04 Bendix Aviat Corp Magnetoelectric ignition apparatus
FR816070A (en) * 1937-01-08 1937-07-29 Universal electric machine
GB591091A (en) * 1943-01-29 1947-08-06 Applic Des Brevets Cotal Soc D Improvements in or relating to electro-magnetic clutches and brakes
GB646853A (en) * 1947-02-28 1950-11-29 Electro Mecanique De Laveyron Improvements in and relating to electric brakes
FR1005416A (en) * 1947-07-16 1952-04-10 Improvements made to heteropolar electromagnetic braking devices, in particular slowing brakes of this type
BE485536A (en) * 1947-10-30
US2700343A (en) * 1950-05-11 1955-01-25 Jr Albert R Pezzillo Motor pump unit
FR1026998A (en) * 1950-10-17 1953-05-06 Improvements to electrodynamic brakes for rotating parts
US2724067A (en) * 1951-08-20 1955-11-15 Fairbanks Morse & Co Axial air gap generator

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3026431A (en) * 1957-02-22 1962-03-20 Cie Telma Eddy currents braking apparatus
DE1105046B (en) * 1957-12-19 1961-04-20 British Thomson Houston Co Ltd Eddy current brake
FR2421752A1 (en) * 1978-04-06 1979-11-02 Leroy Somer Moteurs Vehicle transmission eddy current brake - has disc rotor fitted to transmission shaft and stator carries induction coils
FR2515442A1 (en) * 1981-10-28 1983-04-29 Labavia IMPROVEMENTS ON ROTORS OF ELECTROMAGNETIC RETARDERS
FR2541054A1 (en) * 1983-02-10 1984-08-17 Labavia IMPROVEMENTS ON ELECTRIC RETARDERS FOR VEHICLES
CH673361A5 (en) * 1987-10-06 1990-02-28 Oerlikon Buehrle Ag Magnetic eddy current brake for rail vehicle - has air-gap between stator and brake disc varied dependent on revs
FR2894090A1 (en) * 2005-11-30 2007-06-01 Telma Sa Two-stage fan for electromagnetic retarder in e.g. lorry, has set of blades arranged around another set of blades and forming stage towards exterior of fan, where number of blades in stage is higher than number of blades in another stage

Also Published As

Publication number Publication date
US2830206A (en) 1958-04-08
DE1018527B (en) 1957-10-31
GB752188A (en) 1956-07-04

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