EP0965368A1 - Dämpfer für fahrbedingte Skivibrationen - Google Patents
Dämpfer für fahrbedingte Skivibrationen Download PDFInfo
- Publication number
- EP0965368A1 EP0965368A1 EP98110927A EP98110927A EP0965368A1 EP 0965368 A1 EP0965368 A1 EP 0965368A1 EP 98110927 A EP98110927 A EP 98110927A EP 98110927 A EP98110927 A EP 98110927A EP 0965368 A1 EP0965368 A1 EP 0965368A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- damper
- ski
- damper according
- valve
- base plate
- 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.)
- Granted
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C5/00—Skis or snowboards
- A63C5/06—Skis or snowboards with special devices thereon, e.g. steering devices
- A63C5/075—Vibration dampers
Definitions
- the invention relates to a damper specified in the preamble of claim 1 Art.
- Piston dampers are known for winter sports equipment such as alpine skis, their pistons formed displacement element under shock load a damping medium, e.g. a liquid, a gas, a gel or a mixture of such fluids, more or less compressed.
- the damper can, for example, in a toe be arranged in the binding or in a so-called base plate Ski binding. It is also conceivable to place the damper between the jaws and his Base plate or in front of the binding assembly zone in connection with the ski to arrange.
- These known dampers cannot be damped Taxes.
- the invention has for its object a damper of the aforementioned To create kind, the damping effect is controllable while working.
- the damping effect of the Control the damper in a targeted manner because, depending on the setting of the valve, that of the displacement element displaced damping medium with lower or higher resistance or can no longer flow into the compensation chamber.
- the shock caused by the ski can be dampened in a controlled manner. Provided it is about the damping of ski vibrations caused by driving selectively dampen selectable types of vibration, either for the skier are tiring or annoying or make ski control more difficult to dampen shocks that act in the ski binding or for ski binding penetrate, then such shocks can be damped, for example would affect the release behavior of the ski binding. Through the damping control can possibly also influence the damper in the Ski binding on the reset of the ski boot after a deflection without Avoid tripping.
- the valve is adjusted by means of a piezo element to the Control damping effect.
- a piezo element has the advantage of an immediate one Responses with a time delay in the range of only about 1 ms.
- the damping effect is controlled as a function of the current position, movement, direction of movement, speed or Acceleration of the displacement element. This is useful because the displacement element shock movements into the damping medium resulting from vibrations introduces and therefore optimal as a reference for tapping such parameters is suitable for controlling the damping effect.
- the piezo element acts as a valve element of the adjustable Valve.
- the piezo element moves, preferably pulsating, causing the flow of the displaced damping medium can control in an almost ideal way to the current damping effect adjust the current conditions.
- the energy for the movements of the piezo element provided by the power source.
- the control electronics determine how the piezo element moves to adjust the valve. Doing so also take into account other parameters than those mentioned above.
- the response of the piezo element to the Predetermine the setting device According to claim 6, the response of the piezo element to the Predetermine the setting device.
- the sensor arrangement is used in each case as for the Control of the damping effect provided usable viewed parameters.
- the upstream controls downstream of the through opening pulsating end area of the piezo element a harder or softer or very hard damping.
- parameters for controlling the damping effect can be achieved by means of at least one sensor, e.g. also a proximity sensor for the displacement element, tap.
- sensors are expediently used, by which one follows the movement of the displacement element while the other is stationary relative to it. It would also be conceivable to use the stroke of the displacement element to distribute several stationary sensors to a kind due to position, speed, acceleration or direction display to obtain.
- the sensors can have their own evaluation circuit be linked with each other to create powerful and meaningful useful signals for the Control electronics to win.
- the damper is effective between a toe holder or a heel holder and its base plate arranged in one area So, correctly in the forces or shocks arising from ski vibrations caused by driving are tapped.
- the damper is effective between two each the ski connected base plates arranged, for example, in ski deflections move closer to or away from each other so that the Damper a quick and effective return of the ski in its essence not bent basic position.
- the damper is effective between an abutment arranged on the ski and a binding part fastened to the ski in order to prevent driving Counteract ski deflections when they arise.
- the damper is by means of a force-transmitting element, like a strut. In this way, large forces or initiate strong movements in the damper or the damping with large Transfer forces or lever arms to the ski.
- the damper is in the toe and / or heel holder Integrated ski binding, preferably in a motion-transmitting coupling with the Locking device.
- a damper E shown in FIG. 1 in a partial longitudinal section points in one Housing 4 has a chamber 1 in which a displacement element K, e.g. a piston 2, is movable.
- the chamber 1 is filled with a damping medium M, e.g. one Gas, a liquid, a gel or a mixture of such substances, i.e. a more or less compressible medium.
- a damping medium M e.g. one Gas, a liquid, a gel or a mixture of such substances, i.e. a more or less compressible medium.
- the piston 2 is a Force introduction element 3 connected to the displacement element in the direction of movement K acting forces or shocks A can be attacked.
- the housing 4 is held stationary, for example.
- the displacement element K is against the direction of displacement is acted upon by a prestressing spring 5, the prestressing thereof is adjustable, for example by a nut 6.
- the chamber 1 is through at least one, preferably small, through opening D with a compensation space G in flow connection.
- a piezo element 7 forms an electrical one adjustable valve between chamber 1 and compensation chamber G.
- the piezo element 7 has, for example, the shape of a small plate, which has a End region 7a is fixed on a stationary storage 8 and with its free projecting other end portion 7b in the displacement direction of the damping medium M arranged in the compensation chamber G downstream of the through opening D. is.
- the piezo element 7 forms a valve element of the valve V, so to speak, around the To influence flow through the through opening D more or less or even block completely.
- the piezo element 7 is connected to control electronics 9, which is an adjusting device 10 assigned and which is connected to a power source 11.
- a sensor arrangement C is provided which has a first Sensor 12 on the displacement element K and comprises a second sensor 13, the is positioned stationary relative to the displacement element K. Both sensors 12, 13 or at least sensor 13 that responds to sensor 12 connected to the control electronics 9.
- the sensor arrangement C for example in the form of electrical signals, determined at least one parameter with which the response behavior of the piezo element 7 or the adjustment of the valve V or a variation of the Damping effect of the damper E is controlled.
- This parameter can either the stroke position of the displacement element K in relation to the sensor 13, or the speed of movement or the direction of movement or the speed of movement or the acceleration or deceleration of the displacement element when working the damper E.
- measurands can combinations can also be used as parameters for controlling the valve V.
- the piezo element 7 closes the Through opening D. Is the displacement element K slowly towards Sensor 13 moves, then the control element 9 through the piezo element Apply a suitable voltage with its end portion 7b from the through hole moved away so that the through hole D is free. That from Displacement element K displaced damping medium M can with relatively little resistance be pressed into the compensation chamber G. The cushioning becomes soft or is hardly noticeable. In contrast, the displacement element K becomes fast moved, e.g. with hard shock loads, the piezo element 7 remains in the Closed position, so that a hard or strong damping is controlled.
- the valve V can be controlled individually.
- the piezo element has the advantage that it moves very quickly of the displacement element K reacts, for example only with a time delay in the range of 1ms.
- the respective stroke position of the displacement element, the stroke direction, acceleration or deceleration or the distance between the sensors 12, 13 as the decisive parameter for Controlling the movement of the piezo element or the valve can be used.
- the piezo element 7 generally has a pulsating movement executes, the pulse frequency and / or the pulse amplitude of the end region 7b can be changed controlled.
- the end of the piezo element 7 could also be at the upstream end 7b Side of the passage D may be arranged. It would also be conceivable to use of the piezo element 7 to control a mechanical valve element that with the passage D cooperates in such a way that a variable can even be blocked Flow restrictor is formed. It would also be conceivable to run parallel to Through opening D to provide a further free throttle opening, or instead of just one through opening, several of the same piezo element to use monitored through openings D. Also a combination Several piezo elements 7 with several through openings are possible.
- the damping or control of the damping of the damper E can predominantly during the pressure stroke of the displacement element K.
- Fig. 2 is a ski binding B of toe holder 17 and heel holder on a ski S. 21, each fixed with a base plate 23 or 22.
- the damper E is effectively switched between the two base plates 23 and 22, so that it in the case of ski deflections, the base plates 22, 23 are brought closer or removed taps and, for example, at least dampens the approach.
- the dashed line in Fig. 2 further indicated that the damper E integrated directly into the toe holder 17 can then be expediently coupled to the locking device of the toe holder, or that the damper E - dashed as in the toe holder 21 indicated between the toe holder and the base plate 22 acts.
- the ski binding B is equipped with a base plate P, which on the Ski S is fixed and possibly carries the toe and heel holder. At least a damper E is effective between the base plate P and one Abutment 24 classified on the ski. Two pairs of dampers E are shown both ends of the base plate P, each damper E on an abutment 25 of the base plate P is supported. If the ski binding B is not a base plate P, but could only have base plates 22, 23 as in FIG. 2 the damper analogous to the illustration in Fig. 3 between the ski and the Base plates 22 and 23 may be used.
- the ski binding B in turn has a base plate P, which with fastening elements 14 is fixed on the ski S.
- a base plate P which with fastening elements 14 is fixed on the ski S.
- at least one Damper E used, for example, on shock loads in the direction of Double arrow 15 responds and dampens this.
- Fig. 5 the base plate P of the ski binding B is divided in the middle. Both parts of the Base plate P are connected to ski S at 14.
- the damper E (at least a damper E) is arranged between the parts of the base plate P. and speaks approximately to shock loads in the direction of the double arrow 15 parallel to the longitudinal direction of the ski.
- the damper E (at least one damper) is in the front part of the base plate P arranged, conveniently between the two attachment points the base plate P.
- the base plate P of the ski binding B is also in two parts. Every part is fixed with fasteners 14 on the ski S. In the middle area is the Base plate P removed from the top 16 of the ski. Between their two parts there is at least one damper E, the shock loads in the direction of Double arrow 15 addresses.
- the damper E or the damper E are included a distance u above the top of the ski in order to avoid ski Lever arm and to tap on the fasteners 14 or dampen.
- Fig. 8 there is at least one damper E between a transmission part 18 and an end portion of a washer P, the impact loads, for example taps in the direction of the double arrow 15 and dampens.
- the transmission part 18 is in contact with the Ski S. If necessary, the damper E is direct supported on the base plate P on the one hand and on the ski S on the other hand.
- the damper E can in the area of the support or the abutment 20 with the direction of action 15 or in the course of the strut the effective direction 15 or between the strut 19 and the base plate P or be provided in the base plate P at the point of application of the strut 19.
Landscapes
- Vibration Prevention Devices (AREA)
- Fluid-Damping Devices (AREA)
- Golf Clubs (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
Description
- Fig. 1
- eine schematische Ansicht eines Dämpfers, teilweise im Schnitt,
- Fig. 2-8
- verschiedene Anbringungsbeispiele für Dämpfer an einem mit einer Skibindung ausgestatteten Alpinski,
- Fig. 9A
- weitere Anbringungsmöglichkeiten für Dämpfer in einer Seitenansicht, und
- Fig. 9B
- eine Draufsicht zu Fig. 9A.
Claims (16)
- Dämpfer für fahrbedingte Skivibrationen, mit einer am Ski (S) und/oder an bzw. in der Skibindung (B) oder einem Skibindungsteil (P) vorgesehenen, ein Dämpfmedium (M) und wenigstens ein bewegliches Verdrängerelement (K) enthaltenden Kammer (1), dadurch gekennzeichnet, daß die Kammer (1) über wenigstens ein elektrisch verstellbares Ventil (V) mit einem Ausgleichsraum (G) für verdrängtes Dämpfmedium (M) verbindbar ist.
- Dämpfer nach Anspruch 1, dadurch gekennzeichnet, daß das Ventil (V) mittels wenigstens eines Piezoelementes (7) verstellbar ist.
- Dämpfer nach Anspruch 1, dadurch gekennzeichnet, daß das Ventil (V) zumindest in Abhängigkeit von der Geschwindigkeit und/oder der Beschleunigung und/oder dem Hub und/oder der Hubrichtung des Verdrängerelementes (K) verstellbar ist.
- Dämpfer nach Anspruch 1, dadurch gekennzeichnet, daß das Ventil (V) wenigstens eine Durchgangsöffnung (D) zum Ausgleichsraum (G) und wenigstens ein der Durchgangsöffnung (D) als Ventilelement zugeordnetes Piezoelement (7) aufweist, das durch elektrische Spannungsbeaufschlagung relativ zur Durchgangsöffnung (D) bewegbar ist, vorzugsweise pulsierend mit variabler Pulsfrequenz und/oder Pulsamplitude.
- Dämpfer nach wenigstens einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, daß das Piezoelement (7) über eine Steuerelektronik (9) und aus einer Stromquelle (11), vorzugsweise individuell einstellbar, spannungsbeaufschlagbar ist.
- Dämpfer nach Anspruch 5, dadurch gekennzeichnet, daß der Steuerelektronik (9) eine Einstellvorrichtung (10) für das Ansprechverhalten des Piezoelementes (7) zugeordnet ist.
- Dämpfer nach wenigstens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß mit der Steuerelektronik (9) eine signalerzeugende Sensoranordnung (C) verknüpft ist, aus deren Signalen, vorzugsweise in der Steuerelektronik (9), die Hubposition und/oder Hubrichtung und/oder Geschwindigkeit und/oder Beschleunigung des Verdrängerelements (K) ermittelbar ist bzw. sind.
- Dämpfer nach Anspruch 4, dadurch gekennzeichnet, daß das Piezoelement (7) die Form eines Plättchens hat, das mit einem Endbereich (7a) stationär festgelegt ist und mit seinem anderen Endbereich (7b) in Strömungsrichtung des Dämpfmediums (M) in den Ausgleichsraum (G) stromauf oder stromab der Durchgangsöffnung (D) angeordnet ist und in Abhängigkeit von seiner Spannungsbeaufschlagung die Durchgangsöffnung (D) mehr oder weniger freigibt oder verschließt, vorzugsweise mit pulsierenden Bewegungen.
- Dämpfer nach Anspruch 7, dadurch gekennzeichnet, daß die Sensoranordnung (C) wenigstens einen Sensor (12, 13) umfaßt, wobei ein erster Sensor (12) am Verdrängerelement (K) angeordnet oder mit diesem bewegungsübertragend gekoppelt ist, während wenigstens ein weiterer Sensor (13) relativ zum Verdrängerelement (K) stationär positioniert ist.
- Dämpfer nach Anspruch 9, dadurch gekennzeichnet, daß die Sensoren (12, 13) der Sensoranordnung (C) über eine Auswerteschaltung miteinander verknüpft sind, mit der die Hubposition und/oder Hubrichtung und/oder Geschwindigkeit und/oder Beschleunigung des Verdrängerelementes (K) repräsentierende Signale bereitstellbar sind.
- Dämpfer nach wenigstens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Verdrängerelement (K) entgegen der Verdrängungsrichtung des Dämpfmediums (M) durch wenigstens eine Vorspannfeder (5) beaufschlagt ist, vorzugsweise durch eine in ihrer Vorspannung verstellbare Vorspannfeder (5).
- Dämpfer nach wenigstens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Dämpfer (E) in einer oder zwischen relativ zueinander beweglichen Teilen einer Unterlagsplatte (P) der Skibindung (B) angeordnet ist.
- Dämpfer nach wenigstens einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß der Dämpfer (E) zwischen einem Zehen- oder Fersenhalter (17, 21) und dessen Grundplatte (23, 22) angeordnet ist.
- Dämpfer nach wenigstens einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß der Dämpfer (E) wirkungsmäßig zwischen Zehenhalter- und Fersenhalter-Grundplatten (22, 23) angeordnet ist.
- Dämpfer nach wenigstens einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß der Dämpfer (E) zwischen einem Widerlager (24) am Ski (S) und einem am Ski (S) befestigten Bindungsteil, vorzugsweise einer Unterlagsplatte (P); angeordnet ist.
- Dämpfer nach wenigstens einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß zwischen einem Skibindungsteil, vorzugsweise einer Unterlagsplatte (P), und dem Ski (S) wenigstens ein bewegungs- oder kraftübertragendes Element vorgesehen ist, vorzugsweise eine Strebe (19), und daß der Dämpfer (E) zwischen dem Ski (S) und dem Bindungsteil, oder im Verlauf der Strebe (19) oder zwischen der Strebe (19) und dem Bindungsteil (P) angeordnet ist.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT98110927T ATE272430T1 (de) | 1998-06-15 | 1998-06-15 | Dämpfer für fahrbedingte skivibrationen |
EP98110927A EP0965368B1 (de) | 1998-06-15 | 1998-06-15 | Dämpfer für fahrbedingte Skivibrationen |
DE59811757T DE59811757D1 (de) | 1998-06-15 | 1998-06-15 | Dämpfer für fahrbedingte Skivibrationen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98110927A EP0965368B1 (de) | 1998-06-15 | 1998-06-15 | Dämpfer für fahrbedingte Skivibrationen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0965368A1 true EP0965368A1 (de) | 1999-12-22 |
EP0965368B1 EP0965368B1 (de) | 2004-08-04 |
Family
ID=8232123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98110927A Expired - Lifetime EP0965368B1 (de) | 1998-06-15 | 1998-06-15 | Dämpfer für fahrbedingte Skivibrationen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0965368B1 (de) |
AT (1) | ATE272430T1 (de) |
DE (1) | DE59811757D1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1186326A2 (de) | 2000-09-12 | 2002-03-13 | Uwe Emig | Ski, insbesondere Sprungski |
DE10137378A1 (de) * | 2000-12-15 | 2002-06-27 | Marker Deutschland Gmbh | Vorrichtung zur Dämpfung von Flexbewegungen eines Skis oder dergleichen |
WO2003049821A2 (en) * | 2001-12-11 | 2003-06-19 | Reactec Limited | Vibration control system and improvements in or relating to skis |
EP1388355A1 (de) * | 2002-08-07 | 2004-02-11 | Marker Deutschland GmbH | Ski- und Skibindungs-Kombination |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0414387A1 (de) * | 1989-07-26 | 1991-02-27 | Paul Robert Juhasz | Ski-Vorrichtung |
EP0574652A1 (de) * | 1992-06-18 | 1993-12-22 | Piero G. Ruffinengo | Verändern der Flexibilität von Skiern |
US5318271A (en) * | 1991-12-11 | 1994-06-07 | Hoerbiger Ventilwerke Aktiengessellschaft | Piezo valve |
US5597170A (en) * | 1994-05-18 | 1997-01-28 | Salomon S.A. | Alpine ski equipped with a double action stiffening and/or shock absorbing device |
WO1997004841A1 (en) * | 1995-08-01 | 1997-02-13 | K-2 Corporation | Piezoelectric damper for a board such as a snow ski or snowboard |
-
1998
- 1998-06-15 AT AT98110927T patent/ATE272430T1/de not_active IP Right Cessation
- 1998-06-15 EP EP98110927A patent/EP0965368B1/de not_active Expired - Lifetime
- 1998-06-15 DE DE59811757T patent/DE59811757D1/de not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0414387A1 (de) * | 1989-07-26 | 1991-02-27 | Paul Robert Juhasz | Ski-Vorrichtung |
US5318271A (en) * | 1991-12-11 | 1994-06-07 | Hoerbiger Ventilwerke Aktiengessellschaft | Piezo valve |
EP0574652A1 (de) * | 1992-06-18 | 1993-12-22 | Piero G. Ruffinengo | Verändern der Flexibilität von Skiern |
US5597170A (en) * | 1994-05-18 | 1997-01-28 | Salomon S.A. | Alpine ski equipped with a double action stiffening and/or shock absorbing device |
WO1997004841A1 (en) * | 1995-08-01 | 1997-02-13 | K-2 Corporation | Piezoelectric damper for a board such as a snow ski or snowboard |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1186326A2 (de) | 2000-09-12 | 2002-03-13 | Uwe Emig | Ski, insbesondere Sprungski |
DE10137378A1 (de) * | 2000-12-15 | 2002-06-27 | Marker Deutschland Gmbh | Vorrichtung zur Dämpfung von Flexbewegungen eines Skis oder dergleichen |
WO2003049821A2 (en) * | 2001-12-11 | 2003-06-19 | Reactec Limited | Vibration control system and improvements in or relating to skis |
WO2003049821A3 (en) * | 2001-12-11 | 2004-03-25 | Reactec Ltd | Vibration control system and improvements in or relating to skis |
EP1388355A1 (de) * | 2002-08-07 | 2004-02-11 | Marker Deutschland GmbH | Ski- und Skibindungs-Kombination |
Also Published As
Publication number | Publication date |
---|---|
EP0965368B1 (de) | 2004-08-04 |
ATE272430T1 (de) | 2004-08-15 |
DE59811757D1 (de) | 2004-09-09 |
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