WO1994001181A1 - Device for carrying out movements - Google Patents

Device for carrying out movements Download PDF

Info

Publication number
WO1994001181A1
WO1994001181A1 PCT/CH1993/000177 CH9300177W WO9401181A1 WO 1994001181 A1 WO1994001181 A1 WO 1994001181A1 CH 9300177 W CH9300177 W CH 9300177W WO 9401181 A1 WO9401181 A1 WO 9401181A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
shaft
brake
carrying
elements
Prior art date
Application number
PCT/CH1993/000177
Other languages
German (de)
French (fr)
Inventor
Evgenij Anatolievitsch Duchovskoij
Wjatscheslaw Nikolaewitsch Gratschev
Evgenij Ewstafewitsch Yaskewitsch
Oleg Leonidowitch Erschov
Nikolaij Prochorowitsch Gluchoedov
Original Assignee
Torgi 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 Torgi Ag filed Critical Torgi Ag
Publication of WO1994001181A1 publication Critical patent/WO1994001181A1/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
    • F16D57/00—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders
    • F16D57/002—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders comprising a medium with electrically or magnetically controlled internal friction, e.g. electrorheological fluid, magnetic powder
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/005—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters
    • A63B21/0056—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters using electromagnetically-controlled friction, e.g. magnetic particle brakes
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/008—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters
    • A63B21/0084—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters by moving the surrounding water
    • A63B21/00845—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters by moving the surrounding water using electrorheological or magnetorheological fluids
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
    • F16F9/535—Magnetorheological [MR] fluid dampers

Definitions

  • the invention relates to the devices for carrying out measures, specifically for mass events, and also for sporting events, including gymnastic exercises.
  • the device for carrying out measures which contains a housing and a shaft through the cavity of the housing with the braking elements, the free shaft tips are arranged with the possibility of their connection to the drive element, and also a controllable current supply with the electromagnet and the brake plates connected to the housing, the cavity of the housing is filled with magnetic fluid (SU 1 625 504).
  • the known device is very effective in the low load range that guarantees its use in medicine, but does not guarantee its use due to the impossibility of forming a wide range of load changes for sports and game events.
  • the aim of the invention is to increase the effectiveness of use of the registered device by ensuring the possibility of regulating load values both in manual and in automatic operation.
  • the aim asked is achieved according to the invention in that e has the apparatus to the shaft-mounted additional braking elements of the electromagnet is arranged on the housing surface along which the brake plates are disposed below the electromagnet, and with the gap in the transverse direction in relation to each other and hard-connected to the housing , and that the basic brake elements and additional brake elements are arranged in the brake plate columns with the possibility of covering their surfaces.
  • Fig. 1 represents an overall view of the device in schematic section.
  • the proposed device according to the invention contains the housing (1) in which the cavity (2) is made, as well as the shaft (3) with basic braking elements (4) the free shaft tips (5) are arranged with the possibility of ensuring their connection to the drive element (not shown in the drawing).
  • the device contains an adjustable current supply: (not shown) with the electromagnet (6), de; ⁇ > he the surface of the housing (1) is arranged, and hard to the housing (1) connected brake plates (7), which are arranged below the electromagnet (6) and with the gap in the transverse direction with respect to each other.
  • the cavity (2) of the housing (1) is filled with the magnetic liquid (8). Also are ate on the shaft (3) additional Bremselem "(9) mounted, also as the basic braking elements (4) ft in the brake plate columns with the possibility of superimposed image of their surfaces ensuring load value changes angeord ..- ⁇ .
  • the registered device can, for example, be attached to the frame of the training bike, the free shaft tip (5) of the shaft (3) can be driven with the drive element of a training device, for example with the aid of a chain drive, a disc with a rod or the like. be connected.
  • the drive element rotates the shaft (3), which in turn rotates the basic braking elements (4) and additional braking elements (9).
  • the implementation of measures is carried out on the. , end way works.
  • the device is, for example, attached to the frame of a training bike, the free shaft tip (5) of the shaft (3) is connected to the drive element of a training device by a chain drive or a disk with a flexible drive rod.
  • the drive element rotates the shaft (3), which in turn rotates the basic braking elements (4) and additional braking elements (9) which are arranged in the transverse columns of the immovable brake plates (7).
  • the passage of the electric current through the electromagnet (6) creates the magnetic field which passes through the housing (1), the braking elements (4, 7, 9) and magnetic fluid (8), which is located in the cavity (2).
  • Liquid (8) changes its viscosity, which is proportional to the voltage and current.
  • forces occur between the plates (7) and elements (4 and 9), including elements (4) and side walls of the housing (1), which prevent shaft rotation, which is actually necessary for the formation of loads on the drive element of the training device .

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention concerns a device for carrying out movements, including those involved in sporting and entertainment events. The invention calls for the device to have additional brake elements (9) mounted on the shaft (3). The brake plates (7) and the housing (1) are made of magnetic steel and the shaft (3) is made of non-magnetic steel. The drive unit of an exercise bicycle or of an entertainment attraction can be used as the propulsion unit.

Description

Vorrichtung zur Durchführung von MassnahmenDevice for carrying out measures
Die Erfindung bezieht sich auf die Vorrichtungen zur Durchführung von Massnahmen, und zwar wie für Massenveranstaltungen, so auch für die sportlichen Veranstaltungen, darunter auch für die Turnübungen.The invention relates to the devices for carrying out measures, specifically for mass events, and also for sporting events, including gymnastic exercises.
Es ist die Vorrichtung zur Durchführung von Massnahmen bekannt, die ein Gehäuse und eine durch den Hohlraum des Gehäuses durchgehende Welle mit den Bremselementen enthält, die freien Wellenspitzen sind mit der Möglichkeit ihrer Verbindung mit dem Antriebsorgan angeordnet, dazu auch eine regulierbare Stromspeisung mit dem Elektromagnet und die mit dem Gehäuse verbundenen Bremsplatten, der Hohlraum des Gehäuses ist mit magnetischer Flüssigkeit gefüllt (SU 1 625 504).The device for carrying out measures is known, which contains a housing and a shaft through the cavity of the housing with the braking elements, the free shaft tips are arranged with the possibility of their connection to the drive element, and also a controllable current supply with the electromagnet and the brake plates connected to the housing, the cavity of the housing is filled with magnetic fluid (SU 1 625 504).
Die bekannte Vorrichtung ist bei dem geringen Belastungsbereich sehr effektiv, dass ihre Anwendung in der Medizin garantiert, aber gewährleistet ihre Anwendung wegen der Unmöglichkeit der Bildung eines breiten Bereiches der Belastungsveränderungen für Sport- und Spielvera^staltungen nicht.The known device is very effective in the low load range that guarantees its use in medicine, but does not guarantee its use due to the impossibility of forming a wide range of load changes for sports and game events.
Das Ziel der Erfindung ist die Erhöhung der Benutzungseffektivität der angemeldeten Vorrichtung durch die Gewährleistung der Möglichkeit der Regelung von Belastungswerten sowohl beim Handbetrieb, als auch beim automatischen Betrieb. Das gestellte Ziel wird erfindungsgemäss dadurch erreicht, dassedie Vorrichtung an der Welle montierte zusätzliche Bremselemente hat, der Elektromagnet über Gehäuseoberfläche entlang angeordnet ist, die Bremsplatten unter dem Elektromagnet und mit dem Spalt in Querrichtung in bezug aufeinander angeordnet und hart mit dem Gehäuse verbunden sind, und dass die Grundbremselemente und zusätzlichen Bremselemente in den Bremsplattenspalten mit der Möglichkeit der Überdeckung ihrer Oberflächen angeordnet sind.The aim of the invention is to increase the effectiveness of use of the registered device by ensuring the possibility of regulating load values both in manual and in automatic operation. The aim asked is achieved according to the invention in that e has the apparatus to the shaft-mounted additional braking elements of the electromagnet is arranged on the housing surface along which the brake plates are disposed below the electromagnet, and with the gap in the transverse direction in relation to each other and hard-connected to the housing , and that the basic brake elements and additional brake elements are arranged in the brake plate columns with the possibility of covering their surfaces.
Es ist zweckmässig, die Bremselemente, Bremsplatten und das Gehäuse aus dem Magnetstahl auszuführen, und die Welle - aus dem unmagnetischen Stahl, das erlaubt, die notwendigen Spannungswerte des Magnetfeldes zu erreichen, das durch die Bremsscheiben und die magnetische Flüssigkeit durchzieht.It is expedient to make the brake elements, brake plates and the housing from the magnetic steel, and the shaft - from the non-magnetic steel, which makes it possible to achieve the necessary voltage values of the magnetic field that passes through the brake discs and the magnetic fluid.
Die Anwendung von Triebwerk eines Trainingsfahrrades oder einer Attraktion als Antriebsorgan gibt die Möglichkeit, den Anwendungsbereich der Vorrichtung als im Handbetrieb, so auch im automatischen Betrieb zu erweitern.The use of the engine of a training bike or an attraction as a drive element gives the possibility of expanding the scope of the device as in manual operation, and thus also in automatic operation.
Die erfindungsgemässe Vorrichtung wird an Hand der vorliegenden Zeichnung erläutert, woThe device according to the invention is explained with reference to the present drawing, where
Fig. 1 Gesamtansicht der Vorrichtung im schematischen Schnitt darstellt.Fig. 1 represents an overall view of the device in schematic section.
Die vorgeschlagene erfindungsgemässe Vorrichtung enthält das Gehäuse (1), in dem der Hohlraum (2) ausgeführt ist, dazu auch die Welle (3) mit Grundbremselementen (4), dabei sind die freien Wellenspitzen (5) mit der Möglichkeit der Gewährleistung ihrer Verbindung mit dem Antriebsorgan angeordnet (in de Zeichnung nicht dargestellt).The proposed device according to the invention contains the housing (1) in which the cavity (2) is made, as well as the shaft (3) with basic braking elements (4) the free shaft tips (5) are arranged with the possibility of ensuring their connection to the drive element (not shown in the drawing).
Die Vorrichtung enthält eine regulierbare Stromspeit:;ung (nicht dargestellt) mit dem Elektromagnet (6), de; ι>er die Oberfläche des Gehäuses (1) angeordnet ist, und hart mit dem Gehäuse (1) verbundene Bremsplatten (7), die unter dem Elektromagnet (6) und mit dem Spalt in der Querrichtung in bezug aufeinander angeordnet sind.The device contains an adjustable current supply: (not shown) with the electromagnet (6), de; ι> he the surface of the housing (1) is arranged, and hard to the housing (1) connected brake plates (7), which are arranged below the electromagnet (6) and with the gap in the transverse direction with respect to each other.
Der Hohlraum (2) des Gehäuses (1) ist mit der magnetischen Flüssigkeit (8) gefüllt. Ausserdem sind an der Welle (3) zusätzliche Bremselem«ate (9) montiert, die auch wie die Grundbremselemente (4) in den Bremsplattenspalten mit der Möglichkeit der Ueberdeckung ihrer Oberflächen ft Gewährleistung Belastungswertveränderungen angeord..-^ .The cavity (2) of the housing (1) is filled with the magnetic liquid (8). Also are ate on the shaft (3) additional Bremselem "(9) mounted, also as the basic braking elements (4) ft in the brake plate columns with the possibility of superimposed image of their surfaces ensuring load value changes angeord ..- ^.
Die angemeldete Vorrichtung kann, zum Beispiel, an dem Rahmen des Trainingsfahrrades befestigt werden, dabei kann die freie Wellenspitze (5) der Welle (3) mit dem Antriebsorgan einer Trainingsvorrichtung, zum Beispiel mit Hilfe eines Kettentriebs, einer Scheibe mit Stange o.g. verbunden sein.The registered device can, for example, be attached to the frame of the training bike, the free shaft tip (5) of the shaft (3) can be driven with the drive element of a training device, for example with the aid of a chain drive, a disc with a rod or the like. be connected.
Bei der Turnübung dreht das Antriebsorgan die Welle (3), die ihrerseits die Grundbremselemente (4) und zusätzliche Bremselemente (9) dreht. orrichtung zur Durchführung von Massnahmen wird auf im. ,ende Weise funktioniert.During the gymnastics exercise, the drive element rotates the shaft (3), which in turn rotates the basic braking elements (4) and additional braking elements (9). The implementation of measures is carried out on the. , end way works.
Die Vorrichtung wird, zum Beispiel, am Rahmen eines Trainingsfahrrades befestigt, dabei ist die freie Wellenspitze (5) der Welle (3) mit dem Antriebsorgan einer Trainingsvorrichtung durch einen Kettentrieb oder eine Scheibe mit flexiblee Triebstange verbunden.The device is, for example, attached to the frame of a training bike, the free shaft tip (5) of the shaft (3) is connected to the drive element of a training device by a chain drive or a disk with a flexible drive rod.
Bei der Turnübung dreht das Antriebsorgan die Welle (3), die ihrerseits die Grundbremselemente (4) und zusätzliche Bremselemente (9), die in den queren Spalten der unbeweglichen Bremsplatten (7) angeordnet sind, dreht. Beim Durchgang vom elektrischen Strom durch den Elektromagnet (6) entsteht das Magnetfeld, das durch das Gehäuse (1), die Bremselemente (4, 7, 9) und magnetische Flüssigkeit (8), die sich im Hohlraum (2) befindet, durchzieht. Dabei verändert Flüssigkeit (8) ihre Zähigkeit, die der Stromspannung und der Stromstärke proportional ist. Infolgedessen entstehen zwischen den Platten (7) und Elementen (4 und 9), so auch zwischen Elementen (4) und Seitenwänden des Gehäuses (1) Kräfte, die die Wellendrehung verhindern, was, eigentlich, für die Belastungsbildung am Antriebsorgan der Trainingsvorrichtung notwendig ist.During the gymnastics exercise, the drive element rotates the shaft (3), which in turn rotates the basic braking elements (4) and additional braking elements (9) which are arranged in the transverse columns of the immovable brake plates (7). The passage of the electric current through the electromagnet (6) creates the magnetic field which passes through the housing (1), the braking elements (4, 7, 9) and magnetic fluid (8), which is located in the cavity (2). Liquid (8) changes its viscosity, which is proportional to the voltage and current. As a result, forces occur between the plates (7) and elements (4 and 9), including elements (4) and side walls of the housing (1), which prevent shaft rotation, which is actually necessary for the formation of loads on the drive element of the training device .
Bei der automatischen Regelung der Stromspannung am Elektromagnet wird auch automatisch der Widerstand der Wellendrehung verändert und beziehungsweise verändert sich die Belastung bei der Turnübung oder die Belastung bei der Arbeit einer Attraktion. With the automatic regulation of the voltage on the electromagnet, the resistance of the shaft rotation is automatically changed and the load during the gymnastics exercise or the load during the work of an attraction changes.

Claims

P A T E N T A N S P R Ü C H E PATENT CLAIMS
1. Vorrichtung zur Durchführung von Massnahmen, die eine durch den Hohlraum (2) des Gehäuses (1) durchgehende Welle (3) mit den Grundbremselementen (4) enthält, die freien Wellenspitzen (5) der Welle (3) sind mit Möglichkeit ihrer Verbindung mit dem Antriebsorgan angeordnet, dazu auch die Stromspeisung mit dem Elektromagnet (6) und mit dem Gehäuse (1) verbundene Bremsplatten (7), und der Hohlraum (2) des Gehäuses (1) mit der magnetischen Flüssigkeit (8) gefüllt ist, dadurch g e k e n n z e i c h n e t, dass sie zusätzliche an der Welle (3) montierte Bremselemente (9) hat, der Elektromagnet (6) über Oberfläche des Gehäuses (1) angeordnet ist, die Bremsplatten (7) unter dem Elektromagnet (6) und mit dem Spalt in der Querrichtung in bezug auf einander angeordnet und hart mit dem Gehäuse (1) verbunden sind, und dass die Grundbremselemente (4) und die zusätzlichen Elemente (9) in den Bremsplattenspalten mit der Möglichkeit der Überdeckung ihrer Oberflächen angeordnet sind.1. Device for carrying out measures, which contains a through the cavity (2) of the housing (1) through shaft (3) with the basic braking elements (4), the free shaft tips (5) of the shaft (3) are possible with their connection arranged with the drive member, for this purpose also the power supply with the electromagnet (6) and with the housing (1) connected brake plates (7), and the cavity (2) of the housing (1) is filled with the magnetic liquid (8), thereby characterized in that it has additional on the shaft (3) mounted brake elements (9), the electromagnet (6) is arranged above the surface of the housing (1), the brake plates (7) under the electromagnet (6) and with the gap in the Transversely arranged with respect to each other and hard connected to the housing (1), and that the basic brake elements (4) and the additional elements (9) are arranged in the brake plate columns with the possibility of covering their surfaces.
2. Vorrichtung zur Durchführung von Massnahmen nach Anspruch 1, dadurch g e k e n n z e i c h n e t, dass die Bremselemente (4, 9) Bremsplatten (7) und das Gehäuse (1) aus dem Magnetstahl und die Welle (3) aus dem unmagnetischen Stahl ausgeführt sind.2. Device for carrying out measures according to claim 1, characterized in that the brake elements (4, 9), brake plates (7) and the housing (1) are made of magnetic steel and the shaft (3) is made of non-magnetic steel.
3. Vorrichtung zur Durchführung von Massnahmen nach einem der Ansprüche 1 oder 2, dadurch g e k e n n z e i c h ¬ n e t, dass als Antriebsorgan das Triebwerk eines Trainingsfahrrades benutzt werden kann. 3. Device for carrying out measures according to one of claims 1 or 2, characterized in that the engine of a training bicycle can be used as the drive member.
4. Vorrichtung zur Durchführung von Massnahmen nach einem der Ansprüche 1 oder 2, dadurch g e k e n n z e i c h ¬ n e t, dass als Antriebsorgan das Triebwerk einer Attraktion benutzt werden kann. 4. Device for carrying out measures according to one of claims 1 or 2, characterized in that the engine of an attraction can be used as the drive element.
PCT/CH1993/000177 1992-07-09 1993-07-08 Device for carrying out movements WO1994001181A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SU5046932 1992-07-09
RU5046932 1992-07-09

Publications (1)

Publication Number Publication Date
WO1994001181A1 true WO1994001181A1 (en) 1994-01-20

Family

ID=21606631

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH1993/000177 WO1994001181A1 (en) 1992-07-09 1993-07-08 Device for carrying out movements

Country Status (1)

Country Link
WO (1) WO1994001181A1 (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0672224A1 (en) * 1992-11-06 1995-09-20 Byelocorp Scientific, Inc. Magnetorheological valve and devices incorporating magnetorheological elements
WO1996007836A2 (en) * 1994-09-09 1996-03-14 Lord Corporation Magnetorheological fluid devices and process of controlling force in exercise equipment utilizing same
WO2000029264A1 (en) * 1998-11-18 2000-05-25 Takata, Inc. Variable level seatbelt energy management device
WO2004076886A1 (en) * 2003-02-21 2004-09-10 Lockheed Martin Corporation Magnetorheological rotary damper
US7261176B2 (en) 2003-02-21 2007-08-28 Lockheed Martin Corporation Articulated vehicle suspension system shoulder joint
US7474078B2 (en) 2003-12-19 2009-01-06 Texaco Inc. Cell maintenance device for fuel cell stacks
CN103089863A (en) * 2013-01-25 2013-05-08 中国矿业大学 Radial extrusion type magnetorheological fluid brake
US8839891B2 (en) 2003-02-21 2014-09-23 Lockheed Martin Corporation Multi-mode skid steering
CN104595413A (en) * 2015-01-08 2015-05-06 重庆材料研究院有限公司 Multilayer damping channel magnetron shock absorber
WO2016145316A1 (en) * 2015-03-12 2016-09-15 Lord Corporation Dual rotor torque generating devices, systems, and methods
CN106395672A (en) * 2016-12-15 2017-02-15 福州大学 Magneto-rheological effect-based elevator braking device with automatic protection function and elevator braking method
CN109281962A (en) * 2018-12-12 2019-01-29 上海大学 A kind of brake based on giant electro-rheological liquid shear mode

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH295771A (en) * 1947-10-31 1954-01-15 Rabinow Jacob Method for producing, between at least two elements arranged to move relative to each other, a force opposing their movement, and device for implementing this method.
US2685947A (en) * 1950-06-17 1954-08-10 Vickers Inc Clutch or brake employing magnetic particles
DE3612189A1 (en) * 1986-04-11 1987-10-15 Opel Adam Ag Switchable liquid friction clutch which is also variable in its characteristic
US4822036A (en) * 1988-04-25 1989-04-18 Dang Chi H Isokinetic physical exercise apparatus with controllable minimum resistance
US4930770A (en) * 1988-12-01 1990-06-05 Baker Norman A Eccentrically loaded computerized positive/negative exercise machine
US5015926A (en) * 1990-02-02 1991-05-14 Casler John A Electronically controlled force application mechanism for exercise machines

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH295771A (en) * 1947-10-31 1954-01-15 Rabinow Jacob Method for producing, between at least two elements arranged to move relative to each other, a force opposing their movement, and device for implementing this method.
US2685947A (en) * 1950-06-17 1954-08-10 Vickers Inc Clutch or brake employing magnetic particles
DE3612189A1 (en) * 1986-04-11 1987-10-15 Opel Adam Ag Switchable liquid friction clutch which is also variable in its characteristic
US4822036A (en) * 1988-04-25 1989-04-18 Dang Chi H Isokinetic physical exercise apparatus with controllable minimum resistance
US4930770A (en) * 1988-12-01 1990-06-05 Baker Norman A Eccentrically loaded computerized positive/negative exercise machine
US5015926A (en) * 1990-02-02 1991-05-14 Casler John A Electronically controlled force application mechanism for exercise machines

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0672224A4 (en) * 1992-11-06 1997-08-13 Byelocorp Scient Inc Magnetorheological valve and devices incorporating magnetorheological elements.
EP0672224A1 (en) * 1992-11-06 1995-09-20 Byelocorp Scientific, Inc. Magnetorheological valve and devices incorporating magnetorheological elements
WO1996007836A2 (en) * 1994-09-09 1996-03-14 Lord Corporation Magnetorheological fluid devices and process of controlling force in exercise equipment utilizing same
WO1996007836A3 (en) * 1994-09-09 1996-07-25 Lord Corp Magnetorheological fluid devices and process of controlling force in exercise equipment utilizing same
US5816372A (en) * 1994-09-09 1998-10-06 Lord Corporation Magnetorheological fluid devices and process of controlling force in exercise equipment utilizing same
WO2000029264A1 (en) * 1998-11-18 2000-05-25 Takata, Inc. Variable level seatbelt energy management device
US8839891B2 (en) 2003-02-21 2014-09-23 Lockheed Martin Corporation Multi-mode skid steering
WO2004076886A1 (en) * 2003-02-21 2004-09-10 Lockheed Martin Corporation Magnetorheological rotary damper
US7261176B2 (en) 2003-02-21 2007-08-28 Lockheed Martin Corporation Articulated vehicle suspension system shoulder joint
US7474078B2 (en) 2003-12-19 2009-01-06 Texaco Inc. Cell maintenance device for fuel cell stacks
CN103089863A (en) * 2013-01-25 2013-05-08 中国矿业大学 Radial extrusion type magnetorheological fluid brake
CN104595413A (en) * 2015-01-08 2015-05-06 重庆材料研究院有限公司 Multilayer damping channel magnetron shock absorber
WO2016145316A1 (en) * 2015-03-12 2016-09-15 Lord Corporation Dual rotor torque generating devices, systems, and methods
KR20170128404A (en) * 2015-03-12 2017-11-22 로오드 코포레이션 Dual rotor torque generating device, system, and method
US10663020B2 (en) 2015-03-12 2020-05-26 Lord Corporation Dual rotor torque generating devices, systems, and methods
KR102536015B1 (en) * 2015-03-12 2023-05-23 로오드 코포레이션 Dual Rotor Torque Generation Device, System, and Method
CN106395672A (en) * 2016-12-15 2017-02-15 福州大学 Magneto-rheological effect-based elevator braking device with automatic protection function and elevator braking method
CN109281962A (en) * 2018-12-12 2019-01-29 上海大学 A kind of brake based on giant electro-rheological liquid shear mode

Similar Documents

Publication Publication Date Title
DE3539796C2 (en) Training device
WO1994001181A1 (en) Device for carrying out movements
EP0063249B1 (en) Synthetic dumb bell
DE3737980C2 (en) Drive device for training devices
DE3628111A1 (en) Winter sports apparatus
DE3300073A1 (en) Chain machine
DE1478015A1 (en) Ergometer
DE69720741T2 (en) METHOD AND DEVICE FOR TESTING AND TRAINING
DE10233016A1 (en) Training unit for persons with restricted motion has electronically controlled braking or drive to maintain dead pint speed of pedals in specified changeable ranges.
WO1993024190A1 (en) Muscle training device
DE19733595C2 (en) Method and device for muscle training
DE19903738C2 (en) Device for fitness training and bodybuilding
DE2109203A1 (en) Exercise device for skiing and running
DE2733151C3 (en) Drive device for moving a carriage
DE2413082B2 (en) Exercise bike
AT264342B (en) Ergometer
DE4312288C2 (en) Device for orthopedic healing treatment of the human body with three-dimensional vibrations
DE314773C (en)
DE581504C (en) Method and device for the simultaneous degassing of several metal baths in molds by means of a rocking device
DD208551A1 (en) FITNESS TRAINER
DE107684C (en)
DE653539C (en) Electric oscillating armature motor
DE8306738U1 (en) Device for fastening and clamping components
DE2201264A1 (en) Exercise device for building muscles
DE357317C (en) Drive device for speaking machines

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE

121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase