GB765586A - Improvements relating to magnetic coupling devices including clutches and brakes - Google Patents

Improvements relating to magnetic coupling devices including clutches and brakes

Info

Publication number
GB765586A
GB765586A GB2190754A GB2190754A GB765586A GB 765586 A GB765586 A GB 765586A GB 2190754 A GB2190754 A GB 2190754A GB 2190754 A GB2190754 A GB 2190754A GB 765586 A GB765586 A GB 765586A
Authority
GB
United Kingdom
Prior art keywords
magnets
pole pieces
brakes
july
magnetic coupling
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
GB2190754A
Inventor
James William Walley
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.)
Metropolitan Vickers Electrical Co Ltd
Original Assignee
Metropolitan Vickers Electrical Co Ltd
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 Metropolitan Vickers Electrical Co Ltd filed Critical Metropolitan Vickers Electrical Co Ltd
Priority to GB2190754A priority Critical patent/GB765586A/en
Publication of GB765586A publication Critical patent/GB765586A/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
    • H02K49/043—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type with a radial airgap

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

765,586. Magnetic couplings and brakes. METROPOLITAN-VICKERS ELECTRICAL CO., Ltd. July 25, 1955 [July 27, 1954], No. 21907/54. Class 35. In a coupling or brake with air or magnetic fluid in the gap between the members, permanent magnets or their pole pieces on one member are movable radially under centrifugal force towards or away from the other member accord. ing to the effect desired. In Fig. 4 the magnets 17 move outwards against springs 22 from a position in which the magnet is shunted by member 25 to the outer position against pole pieces 27, the circuit being interrupted in between by non-magnetic material 26. The magnets and pole pieces could be shaped as shown in Figs. 6 and 7. In Fig. 10 the magnets 171 are stationary and the pole pieces of gener. ally similar form to those in Fig. 4 may move. In other forms U-shaped magnets are used attached at their centres to bow springs or slidable on guide rods. Specification 726,835 is referred to.
GB2190754A 1954-07-27 1954-07-27 Improvements relating to magnetic coupling devices including clutches and brakes Expired GB765586A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2190754A GB765586A (en) 1954-07-27 1954-07-27 Improvements relating to magnetic coupling devices including clutches and brakes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2190754A GB765586A (en) 1954-07-27 1954-07-27 Improvements relating to magnetic coupling devices including clutches and brakes

Publications (1)

Publication Number Publication Date
GB765586A true GB765586A (en) 1957-01-09

Family

ID=10170814

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2190754A Expired GB765586A (en) 1954-07-27 1954-07-27 Improvements relating to magnetic coupling devices including clutches and brakes

Country Status (1)

Country Link
GB (1) GB765586A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2983350A (en) * 1959-01-08 1961-05-09 Lab Equipment Corp Speed responsive rotary drive
WO1997034360A1 (en) * 1996-03-15 1997-09-18 Magna Force, Inc. Magnetic centrifugal clutch
US5970825A (en) * 1996-04-15 1999-10-26 Barnett; Franklin E. Magnetic ratchet/clutch type apparatus
EP1331023A3 (en) * 2002-01-23 2003-11-12 Graber Products, Inc. Variable magnetic resistance unit for an exercise device
US20140349804A1 (en) * 2013-05-21 2014-11-27 Schaeffler Technologies Gmbh & Co. Kg Roller device for a traction mechanism drive of a motor vehicle
CN104979999A (en) * 2015-07-20 2015-10-14 江苏南自通华电力自动化有限公司 Variable air gap self-protection cylinder permanent protection speed regulator
CN104993672A (en) * 2015-07-03 2015-10-21 河海大学 Disk type permanent magnetic transmission device with self-protection function
CN104993665A (en) * 2015-07-20 2015-10-21 江苏南自通华电力自动化有限公司 A self-protection cylindrical permanent magnet transmission device
DE102016124610B4 (en) 2016-12-16 2019-06-06 Josef Stegmeier Automatic speed-dependent safety brake
DE102018111667A1 (en) * 2018-05-15 2019-11-21 Paul Hettich Gmbh & Co. Kg Eddy current brake for braking and / or for damping the movement of a shelf of a piece of furniture or household appliance, lifting mechanism and furniture or household appliance

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2983350A (en) * 1959-01-08 1961-05-09 Lab Equipment Corp Speed responsive rotary drive
WO1997034360A1 (en) * 1996-03-15 1997-09-18 Magna Force, Inc. Magnetic centrifugal clutch
US5970825A (en) * 1996-04-15 1999-10-26 Barnett; Franklin E. Magnetic ratchet/clutch type apparatus
US6142277A (en) * 1996-04-15 2000-11-07 Barnett; Franklin E. Magnetic ratchet/clutch-type apparatus
EP1331023A3 (en) * 2002-01-23 2003-11-12 Graber Products, Inc. Variable magnetic resistance unit for an exercise device
US7011607B2 (en) 2002-01-23 2006-03-14 Saris Cycling Group, Inc. Variable magnetic resistance unit for an exercise device
US20140349804A1 (en) * 2013-05-21 2014-11-27 Schaeffler Technologies Gmbh & Co. Kg Roller device for a traction mechanism drive of a motor vehicle
US10125850B2 (en) * 2013-05-21 2018-11-13 Schaeffler Technologies AG & Co. KG Roller device for a traction mechanism drive of a motor vehicle
CN104993672A (en) * 2015-07-03 2015-10-21 河海大学 Disk type permanent magnetic transmission device with self-protection function
CN104993672B (en) * 2015-07-03 2019-04-12 河海大学 A kind of desk permanent-magnet transmission device with self-shield
CN104979999A (en) * 2015-07-20 2015-10-14 江苏南自通华电力自动化有限公司 Variable air gap self-protection cylinder permanent protection speed regulator
CN104993665A (en) * 2015-07-20 2015-10-21 江苏南自通华电力自动化有限公司 A self-protection cylindrical permanent magnet transmission device
CN104979999B (en) * 2015-07-20 2018-02-13 江苏南自通华电力自动化股份有限公司 One kind becomes air gap self-shield cartridge type permanent-magnet speed governor
DE102016124610B4 (en) 2016-12-16 2019-06-06 Josef Stegmeier Automatic speed-dependent safety brake
DE102018111667A1 (en) * 2018-05-15 2019-11-21 Paul Hettich Gmbh & Co. Kg Eddy current brake for braking and / or for damping the movement of a shelf of a piece of furniture or household appliance, lifting mechanism and furniture or household appliance

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