DE9212871U1 - Hydraulic bearing element with frequency-dependent controllable second damping maximum - Google Patents
Hydraulic bearing element with frequency-dependent controllable second damping maximumInfo
- Publication number
- DE9212871U1 DE9212871U1 DE9212871U DE9212871U DE9212871U1 DE 9212871 U1 DE9212871 U1 DE 9212871U1 DE 9212871 U DE9212871 U DE 9212871U DE 9212871 U DE9212871 U DE 9212871U DE 9212871 U1 DE9212871 U1 DE 9212871U1
- Authority
- DE
- Germany
- Prior art keywords
- bearing element
- hydraulic bearing
- throttle
- frequency
- flow connection
- 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 - Lifetime
Links
- 238000013016 damping Methods 0.000 title claims description 4
- 230000001419 dependent effect Effects 0.000 title claims description 3
- 239000012528 membrane Substances 0.000 claims description 10
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010355 oscillation Effects 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
- F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
- F16F13/10—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
- F16F13/105—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like characterised by features of partitions between two working chambers
-
- 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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
- F16F13/22—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper characterised by comprising also a dynamic damper
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Devices Of Dampers And Springs (AREA)
Description
CONTINENTAL AG, 3000 HANNOVERCONTINENTAL AG, 3000 HANOVER
Hydraulisches Lagerelement mit frequenzabhängig steuerbarem zweiten DämpfungsmaximumHydraulic bearing element with frequency-dependent controllable second damping maximum
Die Erfindung betrifft ein hydraulisches Lagerelement zur elastischen Abstützung von Aggregaten, beispielsweise in Kraftfahrzeugen, mit einem elastischen Tragkörper und einem Hydraulikraum, der durch eine mit einem Ringkanal versehene Drosselscheibe in einen Arbeitsraum und in einen Ausgleichsraum unterteilt ist, wobei in die Drosselscheibe eine Drosselmembran mit axialem Freiweg eingesetzt ist, die mindestens eine zusätzliche, zu dem Ringkanal parallel geschaltete Strömungsverbindung aufweist.The invention relates to a hydraulic bearing element for the elastic support of units, for example in motor vehicles, with an elastic support body and a hydraulic chamber which is divided into a working chamber and a compensation chamber by a throttle disc provided with an annular channel, wherein a throttle membrane with axial free travel is inserted into the throttle disc, which has at least one additional flow connection connected in parallel to the annular channel.
Derartige elastische Lagerelemente, wie sie beispielsweise aus der DE-OS 33 47 2 74 bekannt sind, dienen dazu, Schwingungen, wie sie beispielsweise beim Betrieb eines Kraftfahrzeugmotors auftreten können, zu dämpfen. Dabei werden hauptsächlich die Schwingungen in einem vorbestimmbaren Resonanzbereich gedämpft. Bei kleinen und mittleren Amplituden kann es jedoch vorkommen, daß Schwingungen nicht oder nicht ausreichend gedämpft werden.Such elastic bearing elements, as known for example from DE-OS 33 47 2 74, serve to dampen vibrations, such as those that can occur during operation of a motor vehicle engine. In this case, mainly the vibrations in a predeterminable resonance range are dampened. With small and medium amplitudes, however, it can happen that vibrations are not dampened or are not dampened sufficiently.
Aufgabe der vorliegenden Erfindung ist es, ein Lagerelement der eingangs beschriebenen Art zu schaffen, mit dem Schwingungen
bei einem zweiten Schwingungsmaximum gedämpft werden können.
5The object of the present invention is to provide a bearing element of the type described above with which vibrations can be dampened at a second vibration maximum.
5
Gelöst wird diese Aufgabe dadurch, daß die zusätzliche Strömungsverbindung mindestens ein Verschlußmittel enthält, das frequenz-, amplituden- und phasenabhängig steuerbar ist. Durch diese Maßnahme wird ein Schwingungsdämpfer geschaffen, der eine zweite, frequenzabhängig ansteuerbare Dämpfung aufweist. Das Lagerelement ist dadurch auf ein zweites Schwingungsmaximum einstellbar.This task is solved by the additional flow connection containing at least one closure means, which can be controlled depending on frequency, amplitude and phase. This measure creates a vibration damper, which has a second damping that can be controlled depending on frequency. The bearing element can therefore be set to a second vibration maximum.
Weitere vorteilhafte Maßnahmen sind in den Unteransprüchen beschrieben. Die Erfindung ist in der beiliegenden Zeichnung dargestellt und wird nachfolgend näher beschrieben. Die einzige Figur zeigt den Schnitt durch ein erfindungsgemäßes hydraulisches Lagerelement, mit Drosselmembran mit Freiweg und dazu paralleler,zusätzlicher Strömungsverbindung, in der ein mit axialem Spiel versehener, radial beweglicher Steuerstempel vorgesehen ist.Further advantageous measures are described in the subclaims. The invention is shown in the accompanying drawing and is described in more detail below. The single figure shows a section through a hydraulic bearing element according to the invention, with a throttle membrane with free travel and an additional flow connection parallel to it, in which a radially movable control piston with axial play is provided.
Das beispielhaft dargestellte hydraulische Lager besteht aus einem elastomeren Tragkörper 1 in den ein Lagerkern 2 einvulkanisiert ist. Der Tragkörper 1 ist mit einem Lagergehäuse 3 verbunden, der einen Hydraulikraum aufweist, der durch eine Drosselscheibe 6 in einen Arbeitsraum 4 und ei-The hydraulic bearing shown as an example consists of an elastomeric support body 1 into which a bearing core 2 is vulcanized. The support body 1 is connected to a bearing housing 3, which has a hydraulic chamber that is divided into a working chamber 4 and a
nen Ausgleichsraum 5 unterteilt ist. In die Räume 4 und 5 ist ein Fluid 7 über eine Füllbohrung 17 eingefüllt. Die Füllbohrung 17 ist durch Verschlußmittel 19 verschlossen.a compensation chamber 5. A fluid 7 is filled into the chambers 4 and 5 via a filling hole 17. The filling hole 17 is closed by a closure means 19.
In der Drosselscheibe 6 ist ein Ringkanal 8 als eine erste Strömungsverbindung zwischen dem Arbeitsraum 4 und dem Ausgleichsraum 5 vorgesehen. Der Ausgleichsraum 5 ist auf seiner der Drosselscheibe 6 abgewandten Unterseite mit einer Ausgleichsmembran 9 versehen und abgeschlossen. 10An annular channel 8 is provided in the throttle plate 6 as a first flow connection between the working chamber 4 and the compensation chamber 5. The compensation chamber 5 is provided with a compensation membrane 9 on its underside facing away from the throttle plate 6 and is closed off. 10
In die Drosselscheibe 6 ist eine Drosselmembran 10 eingelegt/ die mit einemA throttle membrane 10 is inserted into the throttle disc 6, which is connected to a
Freiweg 11 hin und her bewegbar ist. Die Drosselmembran 10 weist mindestens eine parallel zu dem Freiweg 11 geschaltete, erfindungsgemäße zusätzliche Strömungsverbindung in Form eines Steuerkanals 12 auf, in dem ein Steuerstempel 13 angeordnet ist. Der Steuerstempel 13 ist an seinen beiden Enden mit einem Stempelkopf 14 versehen. Der Innendurchmesser des Steuerkanals 12 ist um einen vorbestimmtes Maß größer als der Außendurchmesser des Steuerstempels 13, wodurch auf diese Weise ein Stempelfreiweg als eine zusätzliche Strömungsverbindung zwischen dem Arbeitsraum 4 und dem Ausgleichsraum 5 entsteht.Free path 11 is movable back and forth. The throttle membrane 10 has at least one additional flow connection according to the invention, connected parallel to the free path 11, in the form of a control channel 12 in which a control piston 13 is arranged. The control piston 13 is provided with a piston head 14 at both ends. The inner diameter of the control channel 12 is larger by a predetermined amount than the outer diameter of the control piston 13, whereby a piston free path is created as an additional flow connection between the working chamber 4 and the compensation chamber 5.
Dieser Stempelfreiweg 15 wird in Abhängigkeit von der Schwingungsfrequenz der Drosselmembran 10 durch den in Bewegungsrichtung vor den Stempelköpfen 14 vorhandenenThis piston free travel 15 is determined depending on the oscillation frequency of the throttle membrane 10 by the existing in the direction of movement in front of the piston heads 14.
Staudruck freigegeben oder geschlossen.Back pressure released or closed.
Zum Einbau ist das hydraulische Lagerelement mit einer Lagerbefestigung 16 versehen, die mit dem Lagerkern 2 verbunden ist. Eine ebensolche Lagerbefestigung 16 ist auf der dem Lagerkern 2 entgegengesetzten Seite an einem die Ausgleichmembran 9 überdeckenden Lagerdeckel 18 vorgesehen.For installation, the hydraulic bearing element is provided with a bearing fastening 16 which is connected to the bearing core 2. A similar bearing fastening 16 is provided on the side opposite the bearing core 2 on a bearing cover 18 covering the compensating membrane 9.
Bei einer anderen, nicht dargestellten Ausführungsform sind in der Drosselmembran 10 mehrere parallele Steuerkanäle 10 vorgesehen. Diese Steuerkanäle 10 können außer mit einem Steuerstempel 13 auch mit Schwimmkörpern gesteuert werden.In another embodiment, not shown, several parallel control channels 10 are provided in the throttle membrane 10. These control channels 10 can be controlled not only with a control piston 13 but also with floating bodies.
Claims (5)
von Aggregaten, beispielsweise in Kraftfahrzeugen, mit einem elastischen Tragkörper und einem Hydraulikraum, der
durch eine mit einem Ringkanal versehene Drosselscheibe in einen Arbeitsraum und in einen Ausgleichsraum unterteilt
ist, wobei in die Drosselscheibe eine Drosselmembran mit
axialem Freiweg eingesetzt ist, die mindestens eine zusätzliche, zu dem Ringkanal parallel geschaltete Strömungsverbindung aufweist, dadurch gekennzeichnet, daß die zusätzliehe Strömungsverbindung (12) mindestens ein Verschlußmittel (13) enthält, das frequenz-, amplituden- und phasenabhängig steuerbar ist.1. Hydraulic bearing element for elastic support
of aggregates, for example in motor vehicles, with an elastic support body and a hydraulic chamber, the
divided into a working chamber and a compensation chamber by a throttle disc provided with an annular channel
is, whereby a throttle diaphragm with
axial free path, which has at least one additional flow connection connected in parallel to the annular channel, characterized in that the additional flow connection (12) contains at least one closure means (13) which can be controlled as a function of frequency, amplitude and phase.
(13) mit axialem Spiel ist, der sich mit radialem Spiel
axial durch die Strömungsverbindung (12) erstreckt, an bei-2. Hydraulic bearing element according to claim 1, characterized in that the closure means is a control piston
(13) with axial play, which is with radial play
axially through the flow connection (12), at both
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9212871U DE9212871U1 (en) | 1992-09-24 | 1992-09-24 | Hydraulic bearing element with frequency-dependent controllable second damping maximum |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9212871U DE9212871U1 (en) | 1992-09-24 | 1992-09-24 | Hydraulic bearing element with frequency-dependent controllable second damping maximum |
Publications (1)
Publication Number | Publication Date |
---|---|
DE9212871U1 true DE9212871U1 (en) | 1992-12-03 |
Family
ID=6884097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE9212871U Expired - Lifetime DE9212871U1 (en) | 1992-09-24 | 1992-09-24 | Hydraulic bearing element with frequency-dependent controllable second damping maximum |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE9212871U1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4446801C1 (en) * | 1994-12-24 | 1995-09-14 | Continental Ag | Hydraulic vibration damping bearing for engine or machine |
DE19652502A1 (en) * | 1996-12-17 | 1998-06-18 | Contitech Formteile Gmbh | Automatically controlled, hydraulic two-chamber bearing element |
DE19751783C2 (en) * | 1997-11-21 | 2000-07-06 | Btr Avs Technical Centre Gmbh | Hydraulically damping two-chamber engine mount |
DE10359639A1 (en) * | 2003-12-18 | 2005-07-21 | Carl Freudenberg Kg | support bearings |
-
1992
- 1992-09-24 DE DE9212871U patent/DE9212871U1/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4446801C1 (en) * | 1994-12-24 | 1995-09-14 | Continental Ag | Hydraulic vibration damping bearing for engine or machine |
DE19652502A1 (en) * | 1996-12-17 | 1998-06-18 | Contitech Formteile Gmbh | Automatically controlled, hydraulic two-chamber bearing element |
EP0852304A1 (en) | 1996-12-17 | 1998-07-08 | ContiTech Formteile GmbH | Automatically controlled hydraulic two-chamber support unit |
DE19652502C2 (en) * | 1996-12-17 | 2000-02-17 | Contitech Formteile Gmbh | Hydraulic two-chamber bearing element |
DE19751783C2 (en) * | 1997-11-21 | 2000-07-06 | Btr Avs Technical Centre Gmbh | Hydraulically damping two-chamber engine mount |
DE10359639A1 (en) * | 2003-12-18 | 2005-07-21 | Carl Freudenberg Kg | support bearings |
DE10359639B4 (en) * | 2003-12-18 | 2014-01-30 | Carl Freudenberg Kg | support bearings |
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