PL245244A1 - Switchable permanent magnet - Google Patents

Switchable permanent magnet

Info

Publication number
PL245244A1
PL245244A1 PL24524483A PL24524483A PL245244A1 PL 245244 A1 PL245244 A1 PL 245244A1 PL 24524483 A PL24524483 A PL 24524483A PL 24524483 A PL24524483 A PL 24524483A PL 245244 A1 PL245244 A1 PL 245244A1
Authority
PL
Poland
Prior art keywords
pole
permanent magnet
magnet
pole pieces
rotary
Prior art date
Application number
PL24524483A
Other versions
PL143279B1 (en
Original Assignee
Oerlikon Buehrle Ag
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 Oerlikon Buehrle Ag filed Critical Oerlikon Buehrle Ag
Publication of PL245244A1 publication Critical patent/PL245244A1/en
Publication of PL143279B1 publication Critical patent/PL143279B1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H7/00—Brakes with braking members co-operating with the track
    • B61H7/02—Scotch blocks, skids, or like track-engaging shoes
    • B61H7/04—Scotch blocks, skids, or like track-engaging shoes attached to railway vehicles
    • B61H7/06—Skids
    • B61H7/08—Skids electromagnetically operated

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
  • Braking Arrangements (AREA)
  • Keying Circuit Devices (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1. Switchable permanent magnet for a rail-vehicle brake, containing a stator with two pole pieces (2) located opposite one another, a fixed permanent magnet (3) arranged between the two pole pieces (2) and with one pole face (31) resting against at least one of the two pole pieces (2), and a rotary magnet (6) formed from a rotatable permanent magnet (4) with two segment-shaped pole shoes (5) fastened to the pole faces (41), characterized in that the rotary magnet (6) is arranged rotatably underneath the fixed permanent magnet (3) in segment-shaped recesses (7) in the two pole pieces (2), in that each lower pole-piece end (20) projects beyond the rotary part and with its end face (10) forms the effective magnet surface, and in that a recess (21) is made on the outside of the pole-piece end (20).
PL1983245244A 1982-12-23 1983-12-21 Switchable permanent magnet PL143279B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH752582 1982-12-23

Publications (2)

Publication Number Publication Date
PL245244A1 true PL245244A1 (en) 1984-08-27
PL143279B1 PL143279B1 (en) 1988-01-30

Family

ID=4326513

Family Applications (1)

Application Number Title Priority Date Filing Date
PL1983245244A PL143279B1 (en) 1982-12-23 1983-12-21 Switchable permanent magnet

Country Status (4)

Country Link
EP (1) EP0114259B1 (en)
AT (1) ATE17934T1 (en)
DE (1) DE3362132D1 (en)
PL (1) PL143279B1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8802279A (en) * 1988-09-15 1990-04-02 Tebel Pneumatiek Bv MAGNETIC RAIL BRAKE DEVICE.
DE10111685A1 (en) * 2001-03-09 2002-09-12 Knorr Bremse Systeme Magnetic rail brake device
DE102011103097A1 (en) 2011-06-01 2012-12-06 Weber Maschinenbau Gmbh Breidenbach Apparatus and method for releasably securing a gripper
US9568414B2 (en) 2012-08-09 2017-02-14 Tecan Trading Ag Microplate reader with lid lifter for microplates
CH706811A1 (en) 2012-08-09 2014-02-14 Tecan Trading Ag Microplate reader with cover lifter for microplates.
US9993824B2 (en) 2012-08-09 2018-06-12 Tecan Trading Ag Microplate reader with lid lifter for microplates
CN104494634A (en) * 2014-11-24 2015-04-08 上海庞丰交通设备科技有限公司 Dual magnetic type permanent magnet track braking device
EP3035084A1 (en) 2014-12-17 2016-06-22 Cable Detection Limited Active buried service detection sonde transmitter
CN106347407B (en) * 2016-09-25 2018-05-25 唐山市达泰科技有限公司 A kind of subregion double-magnetic permanent magnet track brake device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR873139A (en) * 1938-10-10 1942-06-30 Deutsche Edelstahlwerke Ag Permanent magnet chuck
GB721748A (en) * 1950-06-22 1955-01-12 Baermann Max Improvements in or relating to permanent magnet brakes or clutches
DE925414C (en) * 1951-02-15 1955-03-21 Max Baermann Brake or clutch activated by the effect of a magnetic field
DE964194C (en) * 1953-04-28 1957-05-16 Bosch Gmbh Robert Device for the serial processing of workpieces
DE962895C (en) * 1954-07-27 1957-05-02 Siemens Ag Device for braking by means of an electromagnetic brake, in particular rail brake for electric vehicles
NL7604572A (en) * 1976-04-29 1977-11-01 Walker Hagou Bv PERMANENT-MAGNETIC LIFTING MAGNET.
DE2931539A1 (en) * 1979-08-03 1981-02-19 Max Baermann Permanent magnet based switched brake - creates eighteen kilo-gauss field using rotating ferrite magnets

Also Published As

Publication number Publication date
PL143279B1 (en) 1988-01-30
DE3362132D1 (en) 1986-03-27
EP0114259A1 (en) 1984-08-01
ATE17934T1 (en) 1986-02-15
EP0114259B1 (en) 1986-02-12

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