WO2005088159A1 - 能動型液封入式防振装置 - Google Patents
能動型液封入式防振装置 Download PDFInfo
- Publication number
- WO2005088159A1 WO2005088159A1 PCT/JP2004/003361 JP2004003361W WO2005088159A1 WO 2005088159 A1 WO2005088159 A1 WO 2005088159A1 JP 2004003361 W JP2004003361 W JP 2004003361W WO 2005088159 A1 WO2005088159 A1 WO 2005088159A1
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- WO
- WIPO (PCT)
- Prior art keywords
- liquid chamber
- vibration
- shaft member
- cylindrical
- rubber wall
- Prior art date
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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
- F16F13/26—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 characterised by adjusting or regulating devices responsive to exterior conditions
- F16F13/264—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 characterised by adjusting or regulating devices responsive to exterior conditions comprising means for acting dynamically on the walls bounding a working chamber
Definitions
- the present invention is directed to a form in which the pressure in the internal liquid chamber is controlled to enhance the vibration isolation effect.
- the present invention relates to a dynamic liquid filling type vibration damping device.
- the active type liquid filled type vibration damping device is generally mounted on a first mounting member, a cylindrical second mounting member, a vibration-isolating base made of a rubber-like elastic material connecting these, and a second mounting member.
- a first diaphragm for forming a liquid enclosing chamber between the first diaphragm and the vibration isolating base; a partition for dividing the liquid enclosing chamber into a first liquid chamber on the vibration isolating base side and a second liquid chamber on the first diaphragm side;
- An orifice for communicating the first liquid chamber with the second liquid chamber, a rubber wall forming a part of the chamber wall of the first liquid chamber, and a vibrating drive of the rubber wall to control the pressure of the first liquid chamber.
- An electromagnetic linear actuator as a vibration means is provided.
- an excellent vibration suppression effect can be obtained by, for example, reducing the motion of the mount. ing.
- the above-mentioned active type liquid filled type vibration damping device is disclosed in Japanese Patent Application Laid-Open No. 2001-304203 and Japanese Patent Application Laid-Open No. 200-195354.
- an orifice is formed between the outer peripheral portion of the partition body and the inner peripheral surface of the second mounting member, and the shaft of the movable body of the actuator that serves as a vibrating means is formed in a recess formed in the center of the partition body.
- the rubber wall is vulcanized and formed over the inner peripheral portion of the concave portion and the distal end portion of the shaft member, and the inner peripheral portion of the second fixture and a part of the shaft member are formed.
- Niwatsu It is known that a diaphragm is vulcanized and formed, and the rubber wall is provided so as to be able to be driven to vibrate through a shaft member of the actuator.
- the shaft member of the actuator is inserted into the recess formed in the center of the partition body, and the rubber wall is vulcanized over the inner peripheral portion of the recess and the tip of the shaft member. Molding and vulcanizing the diaphragm over the inner peripheral part of the second fixture and part of the shaft member, which increases the number of parts around the rubber wall and shaft member and complicates the structure Had been transformed.
- a shaft member in which two coils are arranged coaxially at an interval above and below and a magnet is mounted on an air core portion thereof.
- the so-called moving magnet type in which a shaft member with a magnet is reciprocated in the axial direction by electromagnetic force generated between the coil and the magnet by energizing the coil, a large force is applied.
- the outer diameter becomes large, which is not suitable for miniaturization and weight reduction.
- the magnet becomes large, it becomes inexpensive and becomes weak against impact.
- a yoke member and a coil are arranged in a part of an inner part, and an outer part surrounding the yoke member is a vibrating member that reciprocates in an axial direction.
- a part of the outer part is formed on the rubber wall.
- An object of the present invention is to provide an active-type liquid-filled type vibration damping device capable of simplifying the structure, increasing the output, and contributing to miniaturization and weight reduction.
- a first mounting member and a cylindrical second mounting member are connected via a vibration-proof base made of a rubber-like elastic material, and a rubber wall is provided on the second mounting member so as to face the vibration-proof base.
- the second liquid chamber is communicated with the orifice, and the rubber wall is vibrated by vibrating means connected to the rubber wall forming a part of the chamber wall of the first liquid chamber to reduce the pressure of the first liquid chamber.
- An active-type liquid-filled type vibration damping device that is controlled, wherein the vibrating means includes a coil excited by energization, a case surrounding a periphery of the coil and a magnetic body forming a magnetic circuit, and a base member. The base member and a predetermined gap are present inside the coil and can be displaced in the axial direction.
- the shaft member is connected to the rubber wall, and the shaft member is driven forward and backward together with the movable body by an electromagnetic force generated by the coil excitation to vibrate the rubber wall. It is characterized by having such a configuration.
- the electromagnetic force causes the movable member to stake the urging force of the panel means on the base member side.
- the shaft member which forms a movable body together with the movable member, is displaced downward.
- the shaft member returns to the original state by the urging force of the panel means. That is, by intermittently energizing the coil with a pulse current or the like, the shaft member can be driven forward and backward, and the rubber wall to which the shaft member is connected is reliably vibrated. be able to.
- the use of an electromagnetic solenoid simplifies the structure of the vibration means, suppresses an increase in the number of parts, and provides a large output without increasing the outer diameter. Therefore, the whole of the active liquid filled type vibration damping device can be compactly constructed.
- auxiliary magnetic pole when an auxiliary magnetic pole is provided to face the one end of the case in the axial direction of the movable member with a predetermined gap, electromagnetic attraction when the coil is excited is compared with a case where the auxiliary magnetic pole is not provided. Power can be increased, and higher efficiency can be achieved.
- the electromagnetic solenoid is held by a bottomed cylindrical holding fitting of the second fitting, and a shaft member constituting the movable body is the base.
- a shaft member movably penetrating in the axial direction and fixed to the movable member, and a lower end portion of the shaft member penetrates a bottom portion of the cylindrical holding metal and is projected downward;
- the return panel means for urging the shaft member in a direction in which the movable member separates from the base member, between the lower end of the base member and the bottom substrate of the mounting bracket fixed to the second mounting member.
- the coil spring may be provided.
- a nut serving as a stopper for restricting the upward movement of the shaft member by a certain amount or more is screwed into a lower end portion of the shaft member protruding below the bottom of the cylindrical holding fitting.
- the gap between the base member and the movable member can be adjusted by adjusting the screwing position of the screw. In this case, by adjusting the gap, it is possible to adjust the amplitude of the rubber wall at the time of vibration, and it is possible to impart vibration to the rubber wall suitable for vibration isolation characteristics required in use.
- the liquid-filled vibration damping device is characterized in that a diaphragm that covers the vibration damping base and forms a second liquid chamber between the vibration damping base and the outer peripheral surface of the vibration damping base is provided outside the vibration damping base. And a second fixture.
- the liquid chamber is communicated with the first liquid chamber by an orifice along the second fitting.
- the second mounting member includes a cylindrical metal member having the vibration-proof base vulcanized and bonded to an inner peripheral portion thereof; an annular reinforcing metal member having the rubber wall vulcanized and bonded to an inner peripheral portion; A lower end side is formed of a cylindrical metal fitting that is vulcanized and bonded, and a cylindrical holding metal fitting that accommodates and fixes the electromagnetic solenoid, and is formed at each end of the cylindrical metal fitting, the cylindrical metal fitting, and the cylindrical holding metal fitting.
- the flanged end portion and the outer peripheral end portion of the annular reinforcing bracket can be integrally fixed by caulking.
- an orifice for communicating the first liquid chamber and the second liquid chamber is provided.
- a ring member having a substantially C-shaped cross section is sandwiched between the cylindrical metal fitting and the cylindrical metal fitting in the second fitting.
- FIG. 1 is a longitudinal sectional view of the active liquid filled type vibration damping device of the present invention.
- FIG. 2 is a cross-sectional view of a part of the electromagnetic solenoid at the time of magnetic attraction.
- FIG. 3 is a longitudinal sectional view of another embodiment of the active liquid filled type vibration damping device of the present invention.
- FIG. 4 is a cross-sectional view of a part of the electromagnetic solenoid at the time of magnetic attraction.
- Figure 1 shows a car 1 An active liquid-filled vibration isolator (hereinafter referred to as the engine mount)
- FIG. 2 is a partial cross-sectional view of the electromagnetic solenoid of the above when magnetically attracted.
- a first fitting 1 attached to an engine and a cylindrical second fitting 2 attached to a frame on a vehicle body side are interposed via a vibration isolating base 3 made of a rubber-like elastic material.
- the second mounting member 2 is provided with a disk-shaped rubber wall 5 facing the vibration-proof base 3, and a first liquid chamber 4 is formed between the vibration-proof base 3 and the rubber wall 5.
- a second liquid chamber 6 different from the first liquid chamber 4 is formed outside the vibration-proof base 3 and between the vibration-proof base 3 and the outer peripheral surface 3A of the vibration-proof base 3 so as to cover the vibration-proof base 3.
- a tapered cylindrical diaphragm 7 having an upper constriction is provided over the first mounting member 1 and the second mounting member 2, and the second liquid chamber 6 and the first liquid chamber 4 are connected to the second mounting part. They are connected by an orifice 8 provided along the tool 2.
- the so-called push-pull electromagnetic solenoid 9 serving as a vibrating means is opposite to the first liquid chamber 4 on the rubber wall 5 forming a part of the chamber wall of the first liquid chamber 4.
- the rubber wall 5 is provided so as to control the pressure of the first liquid chamber 4 by vibrating the rubber wall 5 with an amplitude corresponding to the input vibration.
- the electromagnetic solenoid 9 is provided to be fixed to the second fixture 2 as described later.
- the first fitting 1 is formed in a cylindrical shape with a lower portion 1a protruding radially outward and having an inverted c-shaped cross section, and a connecting bolt is screwed into a female screw portion 10 opened at an upper end surface thereof. To be connected.
- the second mounting member 2 includes a cylindrical metal member 11 in which the vibration-proof base 3 is vulcanized and bonded to the inner peripheral portion, and an annular reinforcing metal member 12 in which the rubber wall 5 is vulcanized and bonded to the inner peripheral portion,
- the diaphragm 7 includes a cylindrical metal member 13 whose lower end side is vulcanized and bonded, and a cylindrical metal member 14 that accommodates and fixes the electromagnetic solenoid 9.
- the cylindrical fitting 13, and the cylindrical holding fitting 14 are each formed in a cylindrical shape, and protrude from the lower end (corresponding to one end in the axial direction) of the cylindrical fitting 11.
- the first flange 15, the outer peripheral end 16 of the annular reinforcing bracket 12, and the fourth flange 18 extending from the upper end (corresponding to one end in the axial direction) of the cylindrical holding bracket 14. are superimposed in this order from above, and the third flange 17 is wrapped by a third flange 17 extending from the lower end (corresponding to one end in the axial direction) of the cylindrical fitting 13. It is bent and caulked together.
- a first rubber film 22 connected to the lower end of the vibration-isolating base 3 is vulcanized and bonded to the inner peripheral surface of the cylindrical fitting 11, and the lower end of the diaphragm 7 is attached to the inner peripheral surface of the cylindrical fitting 13.
- the continuous second rubber film 23 is vulcanized and bonded, and almost all of the inner peripheral surfaces are made of rubber members (the first rubber film 22, the second rubber film 23, the diaphragm 7, the vibration isolation base 3, etc.) Covered.
- a support bracket 19 is fixed to the cylindrical holding member 14, and a plurality of connection bolts 20 for connecting to a frame on the vehicle body side are press-fitted and fixed to the support bracket 19.
- the anti-vibration base 3 is formed in a substantially truncated conical shape having a hollow bottom side, and is vulcanized and bonded so that the upper end 3a covers the protruding lower portion 1a of the first fixture 1 in an embedded state. Further, the lower end 3b is vulcanized and bonded to the entire circumference of the inner peripheral surface of the tubular metal fitting 11 respectively.
- the diaphragm 7 is made of a rubber-like elastic material, and its upper end 7a is provided on the outer peripheral portion of a small-diameter cylindrical connecting tube 24 provided with a flange 41 on its lower end and on the back surface of the flange 24a.
- the lower end portion 7b is vulcanized and bonded to the upper end portion of the cylindrical fitting 13.
- the connecting cylinder 24 is press-fitted from above into the first mounting tool 1 and fitted to the outside, whereby the upper end 7 a of the diaphragm 7 is connected to the upper end 3 a of the vibration-proof base 3. It is fitted so as to enclose the outer circumference.
- the orifice 8 comprises a circular ring member 25 having a cross section C (U-shape) having an open radially outer side, and a lower end face of the first flange 1 with respect to the cylindrical fitting 11. 5 and press-fit the outer peripheral portion of the open side to the second rubber film 23 on the inner peripheral surface side of the cylindrical metal fitting 13 so as to press-fit the outer peripheral portion. 2 It is formed by being sandwiched between the tubular fitting 11 and the tubular fitting 13 in the attachment 2.
- the orifice 8 communicates with the first liquid chamber 4 and the second liquid chamber 6 through a communication port (not shown).
- the electromagnetic solenoid 9 which is a vibrating means of the rubber wall 5 includes a movable body 30 which is driven forward and backward in the axial direction, and includes a shaft member 31 configured as a part of the movable body 30. It is provided in the direction of the axis of the vibration isolator orthogonal to the rubber wall 5, and a disk-shaped head 32 is formed to protrude at the tip of the shaft member 31.
- the rubber wall 5 is embedded and connected to the center of the rubber wall 5 in the vulcanization molding step.
- the movable member 30 and the shaft member 31 are driven forward and backward by electromagnetic force generated by exciting a coil (solenoid coil) to vibrate the rubber wall 5 as described later. is there.
- the electromagnetic solenoid 9 is composed of a coil 34 excited by energization and a magnetic material such as a metal having high magnetic permeability surrounding the coil 34 and forming a magnetic circuit G1.
- a case 35 made of a body, a pace member 36 as a fixed iron core made of the same magnetic material, a movable member 33 as a plunger (movable iron core) made of the same magnetic material, and the movable member 33 Further, the movable member 30 is provided with the shaft member 31.
- the case 35 has a cylindrical shape having an inner flange 35a on one end side (upper end in the figure) as shown in the figure.
- the outer periphery of the base member 36 is fitted and fixed to the other end of the case 35, and a protruding central portion 36 a is fitted inside the coil 34.
- the coil 34 is wound around a bobbin 37 made of resin. Then, it is accommodated in the case 35 in a state of being fitted to the central portion of the base member, and is held between the case 35 and the pace member 36.
- the movable member 33 of the movable body 30 penetrates through the inner flange 35 a of the case 35, and the tip of the central portion 36 a of the base member 36 and the predetermined gap in the coil 34. (Air gap) Opposed to be displaceable in the axial direction with S1.
- the shaft member 31 is fixedly inserted through an inner hole of the movable member 33 by press-fitting means or the like, and a lower end of the shaft member 31 is made of resin in an inner hole 36 b of a central portion 36 a of the pace member 36. It is fitted so as to be movable in the axial direction via a sliding collar 49, thereby constituting a movable body 30 together with the movable member 33.
- annular plate-shaped auxiliary magnetic pole 38 projecting outward is provided on the outer periphery of the end of the movable member 33 outside the case 35.
- a gap S2 similar to the gap S1 is provided between the flange 35a and the flange 35a so as to form an auxiliary magnetic circuit G2 when the coil is excited.
- the electromagnetic solenoid 9 is housed and held by the press-fitting means in the cylindrical holding member 14 of the second mounting member 2 with the shaft member 31 being vertically oriented, and in this state, the shaft member 3
- the movable member 3 of 1 3 The head 3 2 at the upper end protruding from the 3 side is embedded in and fixed to the rubber wall 5 and the gaps SI and S 2 are set so as to have a predetermined interval. .
- the lower end portion of the shaft member 31 penetrates through the bottom portion 14a of the cylindrical holding member 14 to protrude downward, and the shaft member 3
- the movable member 33 is separated from the pace member 36 between the lower end 31 a of the first bracket 1 and the bottom plate 26 of the mounting bracket 19 fixed to the second mounting fixture 2.
- a coil spring 40 as the return panel means for urging the shaft member 31 in the direction is interposed.
- 3 9 is the shaft member 3 1 JP2004 / 003361 is a spring receiving member fixed to the lower end of JP2004 / 003361.
- the electromagnetic solenoid 9 having the above-described configuration provides an annular magnetic circuit G surrounding the case 35, the base member 36, and the movable member 33. 1 is formed, whereby the lower end of the movable member 33 is located at the lower end of the movable member 33 via the gap S1 with respect to the tip of the central portion 36a of the base member 36 facing the inside of the coil 34.
- the gap is attracted so as to narrow the gap by the generated magnetic force, that is, the electromagnetic force, and the shaft member 31 constituting the movable body 30 together with the movable member 33 is displaced downward as shown in FIG.
- the auxiliary magnetic circuit G2 passing through the auxiliary magnetic pole 38 is also formed, the attractive force by the magnetism is larger than that without the auxiliary magnetic pole.
- the shaft member 31 can be driven forward and backward, and the rubber wall 5 to which the shaft member 31 is connected is vibrated. be able to.
- the rubber wall 5 can be excited at a frequency corresponding to the input vibration, and the pressure of the first liquid chamber 4 can be controlled. it can.
- a resin gear spacer (not shown) for preventing the pace member 36 and the movable member 33 from directly contacting each other during the magnetic attraction. ) Is desirable.
- 3 and 4 show a modified example of a part of the active liquid filled type vibration damping device of the present invention, which basically has the same configuration as that of the above-described embodiment. Same components and 03361 and members are denoted by the same reference numerals and the detailed description thereof will be omitted. The differences from the above embodiment will be described.
- the electromagnetic solenoid 9 as the vibration means in this embodiment is housed in the cylindrical holding member 14 of the second mounting member 2 and the base mounted on the bottom portion 14 a of the cylindrical holding member 14.
- a fixing bolt 41 protrudes from the lower surface of the member 36, and the fixing bolt 41 passes through a mounting hole of the bottom portion 14a, and a nut 42 is screwed from below. It is fixed by.
- the cylindrical holding bracket 14 is fitted to a bottomed cylindrical holding cylinder 46 to which the mounting bracket 19 is fixed, and is fixed by appropriate means.
- the shaft member 31 of the movable body 30 is fastened to the upper end member 27, which is a head connected to the rubber wall 5 by vulcanization molding, with a screw portion 27 a.
- the main body consists of 28.
- a screw is formed at the lower end 31 a of the shaft member 31, that is, at the lower end 31 a of the main body shaft 28 that projects below the bottom 14 a of the cylindrical holding member 14.
- a first nut 44 is engaged with the screw portion 43 and engages with the lower surface of the bottom portion 14a to stop the shaft member 31 from rising above a certain level. Have been. Further, a cylindrical spacer member 45 and a panel receiving member 39 loosely fitted under the first nut 44 are fitted into the screw portion 43 to form a second nut. G 47 is screwed together and fixed.
- a coil spring 40 as a return panel means is provided between the panel receiving member 39 and the bottom plate portion 46a of the holding cylinder 46.
- the base in the coil 34 is adjusted.
- the gap S1 between the opposed surfaces of the contact member 36 and the movable member 33 can be adjusted, so that the amplitude of the rubber wall 5 at the time of vibration can be adjusted.
- anti-vibration characteristics required in use Vibration suitable for the rubber wall can be given.
- the rubber wall 5 can be excited at a frequency corresponding to the input vibration, and the pressure of the first liquid chamber 4 can be controlled. it can.
- the electromagnetic solenoid 9 has a flat surface that faces the center portion 36 a of the base member 36 and the movable member 35, that is, the surface that faces the gap S 1.
- the present invention is not limited to this, and a so-called conical type in which the facing surface has a corresponding tapered surface is also possible.
- the present invention is not limited to the engine mount, and can be used in various ways.
- the present invention can be applied to a mount provided between a suspension member and a frame on the vehicle body side.
- the main structure of the liquid-sealed type vibration damping device is not limited to the one having the structure shown in the drawing, and can be variously modified within the scope of the claims.
- the active liquid filled type vibration damping device of the present invention can reduce the number of parts around the rubber wall and the shaft member, and can simplify the structure. Since the output of the vibration means can be increased and the size can be reduced, it can be suitably used as an engine mount and various other vibration-proof mounts.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Devices Of Dampers And Springs (AREA)
Abstract
Description
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2004/003361 WO2005088159A1 (ja) | 2004-03-12 | 2004-03-12 | 能動型液封入式防振装置 |
Applications Claiming Priority (1)
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PCT/JP2004/003361 WO2005088159A1 (ja) | 2004-03-12 | 2004-03-12 | 能動型液封入式防振装置 |
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PCT/JP2004/003361 WO2005088159A1 (ja) | 2004-03-12 | 2004-03-12 | 能動型液封入式防振装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012025276A1 (de) * | 2010-08-26 | 2012-03-01 | Contitech Vibration Control Gmbh | Motorlager für ein kraftfahrzeug |
WO2013107852A1 (de) * | 2012-01-18 | 2013-07-25 | Burckhardt Compression Ag | Linearlager und hubmagnet umfassend ein derartiges linearlager |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1078079A (ja) * | 1996-09-05 | 1998-03-24 | Nissan Motor Co Ltd | 防振支持装置 |
JPH11351313A (ja) * | 1998-06-05 | 1999-12-24 | Tokai Rubber Ind Ltd | 加振制御型防振装置 |
JP2001001764A (ja) * | 1999-06-17 | 2001-01-09 | Honda Motor Co Ltd | 能動型防振支持装置 |
JP2004050938A (ja) * | 2002-07-18 | 2004-02-19 | Honda Motor Co Ltd | 能動型防振装置の制御方法 |
-
2004
- 2004-03-12 WO PCT/JP2004/003361 patent/WO2005088159A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1078079A (ja) * | 1996-09-05 | 1998-03-24 | Nissan Motor Co Ltd | 防振支持装置 |
JPH11351313A (ja) * | 1998-06-05 | 1999-12-24 | Tokai Rubber Ind Ltd | 加振制御型防振装置 |
JP2001001764A (ja) * | 1999-06-17 | 2001-01-09 | Honda Motor Co Ltd | 能動型防振支持装置 |
JP2004050938A (ja) * | 2002-07-18 | 2004-02-19 | Honda Motor Co Ltd | 能動型防振装置の制御方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012025276A1 (de) * | 2010-08-26 | 2012-03-01 | Contitech Vibration Control Gmbh | Motorlager für ein kraftfahrzeug |
CN103069192A (zh) * | 2010-08-26 | 2013-04-24 | 康蒂泰克振动控制有限公司 | 用于机动车辆的发动机安装件 |
US9022368B2 (en) | 2010-08-26 | 2015-05-05 | Contitech Vibration Control Gmbh | Motor mount for a motor vehicle |
WO2013107852A1 (de) * | 2012-01-18 | 2013-07-25 | Burckhardt Compression Ag | Linearlager und hubmagnet umfassend ein derartiges linearlager |
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