JPH0114460B2 - - Google Patents
Info
- Publication number
- JPH0114460B2 JPH0114460B2 JP54107342A JP10734279A JPH0114460B2 JP H0114460 B2 JPH0114460 B2 JP H0114460B2 JP 54107342 A JP54107342 A JP 54107342A JP 10734279 A JP10734279 A JP 10734279A JP H0114460 B2 JPH0114460 B2 JP H0114460B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- outer housing
- radial grooves
- magnetic flux
- annular space
- 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
Links
- 230000004907 flux Effects 0.000 claims description 46
- 239000006249 magnetic particle Substances 0.000 claims description 28
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 description 15
- 239000000463 material Substances 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 5
- 239000000696 magnetic material Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- F16D37/00—Clutches in which the drive is transmitted through a medium consisting of small particles, e.g. centrifugally speed-responsive
- F16D37/02—Clutches in which the drive is transmitted through a medium consisting of small particles, e.g. centrifugally speed-responsive the particles being magnetisable
 
- 
        - 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
- F16D27/01—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with permanent magnets
 
- 
        - 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
- F16D37/00—Clutches in which the drive is transmitted through a medium consisting of small particles, e.g. centrifugally speed-responsive
- F16D2037/007—Clutches in which the drive is transmitted through a medium consisting of small particles, e.g. centrifugally speed-responsive characterised by multiple substantially radial gaps in which the fluid or medium consisting of small particles is arranged
 
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| US05/937,069 US4239092A (en) | 1978-08-28 | 1978-08-28 | Adjustable tensioner | 
Publications (2)
| Publication Number | Publication Date | 
|---|---|
| JPS5533986A JPS5533986A (en) | 1980-03-10 | 
| JPH0114460B2 true JPH0114460B2 (OSRAM) | 1989-03-13 | 
Family
ID=25469448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| JP10734279A Granted JPS5533986A (en) | 1978-08-28 | 1979-08-24 | Magnetism type tension force adding device | 
Country Status (4)
| Country | Link | 
|---|---|
| US (1) | US4239092A (OSRAM) | 
| JP (1) | JPS5533986A (OSRAM) | 
| DE (1) | DE2931261A1 (OSRAM) | 
| GB (1) | GB2029126B (OSRAM) | 
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US4529196A (en) * | 1983-02-25 | 1985-07-16 | Logan Robert C | Exercise device | 
| JPS61174054A (ja) * | 1985-01-28 | 1986-08-05 | Japan Tobacco Inc | 包装部材供給装置における繰り出し量制御装置 | 
| US4674741A (en) * | 1985-08-05 | 1987-06-23 | Bally Manufacturing Corporation | Rowing machine with video display | 
| DE3775577D1 (de) * | 1986-02-26 | 1992-02-13 | Shinko Electric Co Ltd | Drehmomentbegrenzer. | 
| US4718303A (en) * | 1986-10-06 | 1988-01-12 | Borg-Warner Automotive, Inc. | Four wheel drive transfer case with clutch mechanism | 
| JPS6418636U (OSRAM) * | 1987-07-24 | 1989-01-30 | ||
| US4878429A (en) * | 1988-05-26 | 1989-11-07 | Nu-Graphics Engineering, Inc. | Magnetic rotary locking mechanism and method | 
| US4974512A (en) * | 1988-05-26 | 1990-12-04 | Nu-Graphics Equipment, Inc. | Magnetic rotary locking and tensioning mechanism | 
| US5090531A (en) * | 1990-01-10 | 1992-02-25 | Lord Corporation | Electrophoretic fluid differential | 
| US5158279A (en) * | 1991-09-30 | 1992-10-27 | Xerox Corporation | Magnetic clutch with adjustable slip torque | 
| US5409435A (en) * | 1993-11-03 | 1995-04-25 | Daniels; John J. | Variable resistance exercise device | 
| US5598908A (en) * | 1995-06-05 | 1997-02-04 | Gse, Inc. | Magnetorheological fluid coupling device and torque load simulator system | 
| US6466119B1 (en) | 1996-09-06 | 2002-10-15 | Chester Drew | Magnetic circuit | 
| DE19705290A1 (de) | 1997-02-12 | 1998-09-24 | Zahnradfabrik Friedrichshafen | Hysteresebremse | 
| EP1079505A1 (fr) * | 1999-08-11 | 2001-02-28 | The Swatch Group Management Services AG | Transmission électromagnétique à variation continue | 
| JP4705714B2 (ja) * | 2000-10-20 | 2011-06-22 | オリエンタルモーター株式会社 | 簡易負荷装置 | 
| US20040074718A1 (en) * | 2002-03-19 | 2004-04-22 | Hiroshi Takeda | Simplified loading device | 
| US7222540B2 (en) * | 2004-05-07 | 2007-05-29 | Call & Nicholas Instruments, Inc. | Wireline extensometer | 
| US8471422B2 (en) * | 2005-02-26 | 2013-06-25 | Flux Drive, Inc. | Apparatus for transferring torque magnetically | 
| DE102005041973A1 (de) * | 2005-09-03 | 2007-09-13 | Werth, Vladimir, Dipl.-Ing. | Einstellbares-Permanentmagnetkupplung | 
| US7823708B2 (en) * | 2005-11-02 | 2010-11-02 | Ford Global Technologies, Llc | Magnetorheological damping device for reduction or elimination of vibration in steering systems | 
| US7891474B2 (en) * | 2008-04-29 | 2011-02-22 | Honda Motor Co., Ltd. | Magneto-rheological brake-clutch apparatuses and methods | 
| JP5281464B2 (ja) * | 2009-04-10 | 2013-09-04 | 株式会社プロスパイン | クラッチ装置 | 
| US9339691B2 (en) | 2012-01-05 | 2016-05-17 | Icon Health & Fitness, Inc. | System and method for controlling an exercise device | 
| US9511178B2 (en) * | 2012-07-09 | 2016-12-06 | Medtronic, Inc. | Reducing centrifugal pump bearing wear through dynamic magnetic coupling | 
| WO2014153158A1 (en) | 2013-03-14 | 2014-09-25 | Icon Health & Fitness, Inc. | Strength training apparatus with flywheel and related methods | 
| CN105848733B (zh) | 2013-12-26 | 2018-02-13 | 爱康保健健身有限公司 | 缆绳器械中的磁性阻力机构 | 
| US10433612B2 (en) | 2014-03-10 | 2019-10-08 | Icon Health & Fitness, Inc. | Pressure sensor to quantify work | 
| WO2015191445A1 (en) | 2014-06-09 | 2015-12-17 | Icon Health & Fitness, Inc. | Cable system incorporated into a treadmill | 
| WO2015195965A1 (en) | 2014-06-20 | 2015-12-23 | Icon Health & Fitness, Inc. | Post workout massage device | 
| US10391361B2 (en) | 2015-02-27 | 2019-08-27 | Icon Health & Fitness, Inc. | Simulating real-world terrain on an exercise device | 
| US9687689B2 (en) * | 2015-07-14 | 2017-06-27 | Global Win Technology Co., Ltd. | Damping device | 
| US10940360B2 (en) | 2015-08-26 | 2021-03-09 | Icon Health & Fitness, Inc. | Strength exercise mechanisms | 
| TWI644702B (zh) | 2015-08-26 | 2018-12-21 | 美商愛康運動與健康公司 | 力量運動機械裝置 | 
| US10625137B2 (en) | 2016-03-18 | 2020-04-21 | Icon Health & Fitness, Inc. | Coordinated displays in an exercise device | 
| US10493349B2 (en) | 2016-03-18 | 2019-12-03 | Icon Health & Fitness, Inc. | Display on exercise device | 
| US10441840B2 (en) | 2016-03-18 | 2019-10-15 | Icon Health & Fitness, Inc. | Collapsible strength exercise machine | 
| US10272317B2 (en) | 2016-03-18 | 2019-04-30 | Icon Health & Fitness, Inc. | Lighted pace feature in a treadmill | 
| US10293211B2 (en) | 2016-03-18 | 2019-05-21 | Icon Health & Fitness, Inc. | Coordinated weight selection | 
| US10252109B2 (en) | 2016-05-13 | 2019-04-09 | Icon Health & Fitness, Inc. | Weight platform treadmill | 
| US11095184B2 (en) * | 2016-08-23 | 2021-08-17 | Lord Corporation | Magnetic seal for magnetically-responsive devices, systems, and methods | 
| US10671705B2 (en) | 2016-09-28 | 2020-06-02 | Icon Health & Fitness, Inc. | Customizing recipe recommendations | 
| US10661114B2 (en) | 2016-11-01 | 2020-05-26 | Icon Health & Fitness, Inc. | Body weight lift mechanism on treadmill | 
| RU2658303C1 (ru) * | 2017-01-09 | 2018-06-20 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Оренбургский государственный университет" | Асинхронная статорная магнитная муфта | 
| US11561359B2 (en) * | 2018-02-09 | 2023-01-24 | Carl Zeiss Meditec Ag | Balancing device for rotary apparatus | 
| CN118686878B (zh) * | 2024-08-26 | 2024-11-05 | 江苏耐玛鑫精密机械有限公司 | 一种磁力弹簧及其使用方法 | 
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| CA563552A (en) * | 1958-09-23 | P. Winther Martin | Magnetic fluid clutch | |
| US1535238A (en) * | 1922-07-07 | 1925-04-28 | Miller Thomas Spencer | Thrust mechanism | 
| US2226227A (en) * | 1939-12-07 | 1940-12-24 | Vera C Hodges | Clutch | 
| GB693955A (en) * | 1950-10-11 | 1953-07-08 | British Thomson Houston Co Ltd | Improvements in and relating to permanent magnet clutch-brakes | 
| DE1061578B (de) * | 1953-02-13 | 1959-07-16 | Max Baermann | Nasse, magnetisch betaetigte Reibscheibenkupplung oder -bremse | 
| US2778466A (en) * | 1953-05-01 | 1957-01-22 | Texas Instruments Inc | Magnetic bridge circuit to cancel hysteresis effects in magnetic clutches | 
| GB776714A (en) | 1954-07-27 | 1957-06-12 | Vickers Electrical Co Ltd | Improvements relating to magnetic coupling devices including brakes and clutches | 
| DE1056885B (de) * | 1954-09-23 | 1959-05-06 | Siemens Ag | Weichschaltende Klauenkupplung | 
| US2897934A (en) * | 1956-08-15 | 1959-08-04 | Ibm | Electroadhesive clutch | 
| GB890357A (en) | 1959-04-09 | 1962-02-28 | Lear Inc | Magnetic clutch | 
| US3216542A (en) * | 1963-11-07 | 1965-11-09 | Potter Instrument Co Inc | Magnetic fluid clutch with nonconductive spacer | 
| US3366903A (en) * | 1965-12-06 | 1968-01-30 | Vibrac Corp | Magnetic tensioning device | 
| US3419118A (en) * | 1966-12-01 | 1968-12-31 | Borg Warner | Electromagnetically actuated clutch | 
| DE2113275A1 (de) * | 1971-03-19 | 1972-09-21 | Zinser Textilmaschinen Gmbh | Spinn- oder Zwirnspindel | 
| US4122922A (en) * | 1977-08-17 | 1978-10-31 | Max Baermann | Infinitely variable wear-free eddy current and/or hysteresis brake, preferably for track-bound vehicles | 
- 
        1978
        - 1978-08-28 US US05/937,069 patent/US4239092A/en not_active Expired - Lifetime
 
- 
        1979
        - 1979-08-01 DE DE19792931261 patent/DE2931261A1/de not_active Withdrawn
- 1979-08-23 GB GB7929358A patent/GB2029126B/en not_active Expired
- 1979-08-24 JP JP10734279A patent/JPS5533986A/ja active Granted
 
Also Published As
| Publication number | Publication date | 
|---|---|
| GB2029126B (en) | 1983-05-05 | 
| JPS5533986A (en) | 1980-03-10 | 
| GB2029126A (en) | 1980-03-12 | 
| US4239092A (en) | 1980-12-16 | 
| DE2931261A1 (de) | 1980-03-13 | 
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