IT1080083B - MAGNETICALLY OPERATED CLUTCH OR FRICTION BRAKE - Google Patents

MAGNETICALLY OPERATED CLUTCH OR FRICTION BRAKE

Info

Publication number
IT1080083B
IT1080083B IT5055677A IT5055677A IT1080083B IT 1080083 B IT1080083 B IT 1080083B IT 5055677 A IT5055677 A IT 5055677A IT 5055677 A IT5055677 A IT 5055677A IT 1080083 B IT1080083 B IT 1080083B
Authority
IT
Italy
Prior art keywords
clutch
electromagnet
hub
nonmagnetic
coil
Prior art date
Application number
IT5055677A
Other languages
Italian (it)
Original Assignee
Zahnradfabrik Friedrichshafen
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 Zahnradfabrik Friedrichshafen filed Critical Zahnradfabrik Friedrichshafen
Application granted granted Critical
Publication of IT1080083B publication Critical patent/IT1080083B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D59/00—Self-acting brakes, e.g. coming into operation at a predetermined speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/14—Safety means against, or active at, failure of coolant-pumps drives, e.g. shutting engine down; Means for indicating functioning of coolant pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
    • F01P7/162—Controlling of coolant flow the coolant being liquid by thermostatic control by cutting in and out of pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
    • F16D27/004—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with permanent magnets combined with electromagnets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/18—Electric or magnetic
    • F16D2121/20—Electric or magnetic using electromagnets
    • F16D2121/22—Electric or magnetic using electromagnets for releasing a normally applied brake
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2129/00—Type of operation source for auxiliary mechanisms
    • F16D2129/06—Electric or magnetic
    • F16D2129/065—Permanent magnets

Abstract

A fixed part of a clutch (1) comprises a magnet body (2), a permanent magnet (3), a coil of an electromagnet (5) and a nonmagnetic insert (4). An armature (19) comprises an armature disc (12) which is made up of two concentric rings and is connected firmly in terms of rotation to a driver (18) via an annular spring (11). Between the fixed clutch part (2, 3, 4, 5) and the armature (19) there is an axially fixed but rotatable clutch disc (15) which has a deflector (8), a nonmagnetic intermediate layer (9) with an insert (10) and a hub (17). A nonmagnetic intermediate layer (16) is arranged in the hub (17), concentrically to the axis of the hub. In the deenergised condition of the coil of the electromagnet (5), the magnetic flux lines of the permanent magnet (3) follow a path (26). In the excited condition of the coil, the magnetic flux lines follow a path (22) while the flux lines of the electromagnet (5) follow a path (21). The nonmagnetic intermediate layer (16) and the nonmagnetic insert (4) reduce the magnetic leakage flux to a minimum. A fail-safe clutch or brake with a high torque and a short response time and with small dimensions is thus created. <IMAGE>
IT5055677A 1976-08-28 1977-08-03 MAGNETICALLY OPERATED CLUTCH OR FRICTION BRAKE IT1080083B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762638944 DE2638944A1 (en) 1976-08-28 1976-08-28 MAGNETIC ACTUATED FRICTION CLUTCH OR BRAKE

Publications (1)

Publication Number Publication Date
IT1080083B true IT1080083B (en) 1985-05-16

Family

ID=5986670

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5055677A IT1080083B (en) 1976-08-28 1977-08-03 MAGNETICALLY OPERATED CLUTCH OR FRICTION BRAKE

Country Status (7)

Country Link
CH (1) CH618243A5 (en)
DE (1) DE2638944A1 (en)
ES (1) ES460851A1 (en)
FR (1) FR2363027A1 (en)
GB (1) GB1586180A (en)
IT (1) IT1080083B (en)
SE (1) SE431781B (en)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3224759A1 (en) * 1982-07-02 1984-01-05 Maschinenfabrik Stromag Gmbh, 4750 Unna Curvic coupling with electromagnetic actuation
US4664238A (en) * 1984-11-08 1987-05-12 Mitsubishi Denki Kabushiki Kaisha Electromagnetic coupling device
DE3501680A1 (en) * 1985-01-19 1986-07-24 Walter Dipl.-Ing. 4030 Ratingen Krome MAGNETICALLY OPERATED FRICTION BRAKE OR CLUTCH
WO1986005850A1 (en) * 1985-03-30 1986-10-09 Zahnradfabrik Friedrichshafen Ag Electromagnetic coupling or brakes with electrically changeable holding pewer
DE3513494A1 (en) * 1985-04-16 1986-10-23 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Magnetic brake
KR940001989B1 (en) * 1986-09-05 1994-03-12 산덴 가부시기가이샤 Electromagnetic clutch
GB9302623D0 (en) * 1993-02-10 1993-03-24 Ti Matrix Eng Ltd Brake device
ES2113260B1 (en) * 1993-07-19 1998-12-16 Fithtel & Sachs Ag FRICTION CLUTCH, IN PARTICULAR FOR AUTOMOBILE VEHICLES.
DE4416264C2 (en) * 1993-07-19 1997-10-23 Fichtel & Sachs Ag Friction clutch, in particular for motor vehicles
DE4434328A1 (en) * 1994-09-26 1996-03-28 Linde Ag Industrial truck with a storage brake
DE19727914A1 (en) * 1997-07-01 1999-01-07 Bayerische Motoren Werke Ag Slip clutch for a drivable unit, in particular an auxiliary unit of an internal combustion engine
DE19856069A1 (en) * 1998-12-04 2000-06-15 Zahnradfabrik Friedrichshafen Electromagnetically actuated single surface coupling or brake has thin lamella multiply slightly corrugated in peripheral direction arranged between first and second frictional surfaces
DE19920543A1 (en) * 1999-05-05 2000-12-07 Zahnradfabrik Friedrichshafen Electromagnetically actuated single surface coupling or brake reduces magnetic field of permanent magnet with current pulse in magnetic coil so annular spring opens coupling or brake
DE19923393C1 (en) * 1999-05-21 2001-01-18 Dimatec Magnet U Antriebstechn Electromagnetically operated friction brake
DE19951630B4 (en) * 1999-10-26 2004-07-01 Zf Friedrichshafen Ag Electromagnetically actuated, slip ringless single-face friction clutch
EP1162416A1 (en) * 2000-06-05 2001-12-12 Fuji Injector Corporation Mechanism for actuating a rotary valve
DE10046903C2 (en) * 2000-09-21 2003-03-06 Siemens Ag Electromagnetic brake for an electric drive
KR100393802B1 (en) * 2001-06-27 2003-08-02 엘지전자 주식회사 Repulsion clutch apparatus for washing machine
DE10204947A1 (en) 2002-02-07 2003-08-21 Zahnradfabrik Friedrichshafen Electromagnetically actuated friction clutch or brake
DE10225580A1 (en) * 2002-06-10 2003-12-18 Valeo Sicherheitssysteme Gmbh Electromagnetic frictionally engaged clutch for motor vehicle presses anchor disk against friction lining of rotor with force that is big enough for vehicle door to be kept in position, which is taken up when clutch is switched off
ITMI20041813A1 (en) * 2004-09-22 2004-12-22 Foussianes Nicholas B MOTOR COOLING FAN MOTOR TRANSMISSION DEVICE.
JP2008530967A (en) 2005-02-15 2008-08-07 ケンドリオン ビンダー マグネーテ ゲゼルシャフト ミット ベシュレンクテル ハフツング Electromagnetic brake with permanent magnet
US7732959B2 (en) 2005-06-10 2010-06-08 Warner Electric Technology, Llc Rotational coupling device
US7975818B2 (en) 2005-06-10 2011-07-12 Warner Electric Technology Llc Rotational coupling device
US7493996B2 (en) 2005-06-10 2009-02-24 Warner Electric Technology Llc Rotational coupling device
DE102005036418A1 (en) * 2005-07-29 2007-02-08 Linnig Trucktec Gmbh Electromagnetically actuated friction disc clutch and rotor for such a clutch
US7527134B2 (en) 2006-04-03 2009-05-05 Warner Electric Technology Llc Rotational coupling device
US7717241B2 (en) 2006-05-01 2010-05-18 American Precision Industries, Inc. Braking or clutching device
DE102008054636A1 (en) 2008-12-15 2010-06-17 Zf Friedrichshafen Ag Electromagnetically actuated brake
EP2299085B1 (en) * 2009-09-10 2017-08-02 Pierburg Pump Technology GmbH Coolant pump
CN101900174A (en) * 2010-07-19 2010-12-01 无锡市华灵电机开关有限公司 Permanent magnet safe brake with high friction coefficient
CN101968090A (en) * 2010-09-06 2011-02-09 无锡瑞茂光电科技有限公司 Electromagnetic brake with permanent magnet
CN102235452A (en) * 2011-06-21 2011-11-09 成都瑞迪机械实业有限公司 Permanent magnet powerless magnetic brake
US8814744B2 (en) 2012-05-18 2014-08-26 Gm Global Technology Operations, Llc Electromechanical clutch and transmission
US9850905B2 (en) 2013-06-14 2017-12-26 Pierburg Pump Technology Gmbh Coolant pump with plastic bonded magnet
CN105090295B (en) * 2014-05-19 2018-07-06 三菱电机株式会社 Electro-magnetic braking device and the lift appliance using the electro-magnetic braking device
DE102014110117B3 (en) * 2014-07-18 2015-09-24 Maschinenfabrik Mönninghoff Gmbh & Co. Kg clutch
CN105605120A (en) * 2016-03-14 2016-05-25 兰州中天汇科电子科技有限公司 Permanent magnet electromagnetic clutch
CN107676411A (en) * 2017-10-19 2018-02-09 兰州万里航空机电有限责任公司 A kind of electromagnetic brake for aero dynamo
DE102020103661A1 (en) 2020-02-12 2021-08-12 Wittenstein Se Holding brake for a drive

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU459523B2 (en) * 1972-08-07 1975-03-27 Gkn Transmissions Limited Improvements relating to clutches

Also Published As

Publication number Publication date
GB1586180A (en) 1981-03-18
SE7709624L (en) 1978-03-01
FR2363027A1 (en) 1978-03-24
SE431781B (en) 1984-02-27
FR2363027B1 (en) 1984-04-27
CH618243A5 (en) 1980-07-15
ES460851A1 (en) 1978-04-16
DE2638944A1 (en) 1978-03-02

Similar Documents

Publication Publication Date Title
IT1080083B (en) MAGNETICALLY OPERATED CLUTCH OR FRICTION BRAKE
JPS61229309A (en) Electromagnetic driving device
US3263784A (en) Magnetic clutch
US2956658A (en) Magnetic couplings
US3337013A (en) Electromagnetically controlled clutch and brake organization
JPH0429136Y2 (en)
GB2150991A (en) Electromagnet coupling
US2549214A (en) Electromagnetic friction clutch
JPS60130106A (en) Permanent electromagnetic attracting device
GB1408685A (en) Electromagnets
ES8407171A1 (en) Overwrapping band electromechanical clutch.
GB789938A (en) Improvements in or relating to magnetically-operated friction brakes or clutches
US3022876A (en) Magnetic clutch
US2525443A (en) Magnetically controlled reversible friction drive
JPS6311394Y2 (en)
JP2501312B2 (en) Disk device
GB1122351A (en) Improvements in or relating to clutches
JPH0511394Y2 (en)
JP2597618Y2 (en) Magnetic fluid sealing device
GB790097A (en) Improvements in or relating to electro-magnetic torque transmission devices
JPS60149532U (en) Magnetic powder electromagnetic clutch
JPS5847579B2 (en) Power clutch brake touch
GB904512A (en) Improvements in or relating to electromagnetic disc clutches
SU434545A1 (en) HYSTERESIC CONTROLLED COUPT
FR2323921A1 (en) Permanent magnet disc brake - has segmental magnets and armature with inner and outer ring of segments attached to steel rings