CN1779284A - Energy storing vibration absorber of clutch and method for preventing it from hydraulic leakage - Google Patents
Energy storing vibration absorber of clutch and method for preventing it from hydraulic leakage Download PDFInfo
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- CN1779284A CN1779284A CN 200410097544 CN200410097544A CN1779284A CN 1779284 A CN1779284 A CN 1779284A CN 200410097544 CN200410097544 CN 200410097544 CN 200410097544 A CN200410097544 A CN 200410097544A CN 1779284 A CN1779284 A CN 1779284A
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- shock absorber
- vibration damper
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Abstract
A clutch assemblage of energy storage damper comprises a piston fixed in the mating hole of the transmission case valve; a shell to posit the clutch assemblage into the transmission case valve. The web plate of the piston is of a radiating structure. A seal device is installed on the piston to seal the piston into the mating hole. A guiding device fixed on the piston to guide the movement of the piston. A spring with a bulk-head which is in the same position with the piston in the mating hole to reduce friction.
Description
Invention field
The present invention is main relevant with the field of automatic transmission case system, more particularly, be about being used in General Motors 4L60,4T60, having in the 4T60E, 4L60E and 4L80E gearbox (to call " GM gearbox " in the following text) do not have the clutch energy storage vibration damper assembly of pin energy storage shock absorber piston.
Background of invention
An oil hydraulic circuit subtense angle is arranged in original design of automatic transmission case system, this subtense angle comprises an oil hydraulic pump at least, valve body with liquid conductive passage or loop, be positioned at the input and output mouth of fluid loop, and a plurality of valves of forming by cylindrical piston with control ring bank, piston alternately opens and closes the liquid entrance in the valve body, comes the flow and the pressure of ATF in the regulator solution hydraulic circuit (to call " ATF " in the following text) with this.
In case be released into certain concrete oil hydraulic circuit, the ATF of pressurization has played the driving hydraulic coupling, the effect of other parts in servopiston and the gearbox.Should be understood that when describing oil hydraulic circuit, ATF can change title usually through throttle orifice in a certain concrete loop or control valve the time.
In the GM gearbox, the energy storage vibration damper is used to be controlled at the shift feel of using in the hydraulic coupling process.The energy storage vibration damper is a device that spring is housed, and it can absorb a certain amount of effect hydraulic pressure with the effect to clutch or clamping strap of the shock wave of buffering liquid.Effect hydraulic pressure is directed to the energy storage shock absorber piston, and the energy storage shock absorber piston is subjected to the active force of spring, has played the effect of a shock absorber.
In the GM gearbox that first wife production firm (to call " OEM " in the following text) produces, the energy storage shock absorber piston of aluminum moves reciprocatingly facing to spring pressure on a columniform steel energy storage vibration damper pin usually, and this finally can produce wearing and tearing on the pin/piston interface of energy storage vibration damper.This wearing and tearing can cause the hydraulic leakage on energy storage vibration damper pin/piston interface, thereby produce the shift feel of difference and height closes device and clamping strap is impaired.
Although existed some not have the energy storage shock absorber piston of this energy storage vibration damper pin, but the energy storage shock absorber piston of these original designs all has an axial length that surpasses piston diameter, perhaps has a stair-stepping design in some cases with in conjunction with a plurality of holes in the valve body, therefore, can be in operation keeps stable, and does not need a pin that is positioned at the center to support their axial motion.
Next more already present in this respect patent designs are discussed.An example is a U. S. Patent 4,601,233 designs that disclosed, and it has introduced a hydraulic servo device with built-in energy storage vibration damper, and it is used to suppress the rising of hydraulic pressure.This patent has shown the energy storage shock absorber piston of the servopiston internal diameter of packing into.This servopiston is linked on the connecting rod at a center, can guide the axial activity of energy storage shock absorber piston.
Another example is a U. S. Patent 4,867,294, and it has introduced a kind of step-like energy storage shock absorber piston, and it can be in conjunction with 2 cylindrical holes that separate, thus axial activity that can stable plunger.
U. S. Patent 3,985,063 also provides the example of an energy storage dampening arrangement, and it has been introduced one and has been used in the energy storage vibration damper structure that is used for controlling oil hydraulic motor in the hydraulic control system.This energy storage shock absorber piston combines the axial motion with stable plunger with a plurality of holes.It also has the axial length above its diameter.
U. S. Patent 5,025,823 and 4,046,162 have also disclosed energy storage shock absorber piston with axial length and natural scale but for current situation and be not easy to practical application.
Before describing this invention in detail, the 26S Proteasome Structure and Function of the interior energy storage vibration damper assembly of GM gearbox that brief overview is original once may be beneficial.Be appreciated that; usually can use a plurality of such energy storage vibration dampers in certain concrete gearbox; they may be combined into one with gearbox valve body (hereinafter to be referred as " valve body "), are mechanically connected on the valve body, or resemble and followingly be incorporated in the case shell of gearbox described.
Referring to shown in Figure 1, can see the forward direction clutch energy storage vibration damper assembly 100 in the GM4L60E gearbox, this is original design.Forward direction clutch energy storage vibration damper assembly 100 (being enclosed in the dotted line) shows with exploded view that in the drawings in the drawings, it is removed from consent 105 interior its working positions.Consent machining on valve body 110 forms.
In original design, forward direction clutch energy storage vibration damper assembly 100 comprises an energy storage shock absorber piston 102 with center hole 102a, a seal ring 104, an energy storage vibration damper pin 106 that is pressed into valve body 110, and pressure spring 108, spring and piston hole 105 coaxial placements, and be fixed in its position by the machine bolt 114 on the energy storage vibration damper cover cap 112.
Be in operation, the forward direction clutch energy storage vibration damper assembly 100 of GM 4L60E gearbox is being controlled from park the shift feel that reverse gear or neutral gear gear shift enter the forward direction gear.Referring to Fig. 2, when hand control valve 125 entered the forward direction gear by the selective lever gear shift at 130 places, the forward direction clutch at 120 places carried oil pressure (FWDCLFD) to act on the forward direction clutch.Simultaneously, the forward direction clutch carries oil pressure 122 to be transferred into forward direction clutch energy storage shock absorber piston 102 places.When clutch begins to do the time spent, the forward direction clutch is carried oil pressure 122 to head on pressure spring 108 and is moved energy storage shock absorber piston 102.This action can absorb the initial growth of some clutch effect hydraulic couplings, with the effect of buffering forward direction clutch.
Referring to Fig. 3,1-2 shelves energy storage vibration damper assembly 135 and 3-4 shelves energy storage vibration damper assembly 140 can help to cushion the effect of 2-4 shelves clutch-band.These assemblies 135 and 140 use the energy storage damper hydraulic to assist spring force.The energy storage damper hydraulic is regulated by energy storage vibration damper valve 116, and is relevant with torque signal oil pressure 118.Electromagnetic pressure control valve (PCS) (not shown) is being regulated the torque signal oil pressure, and with Engine torque, throttle position, and other operation conditions of vehicle is relevant.
Referring to Fig. 3,4, the effect that 1-2 shelves energy storage vibration damper assembly 135 is used to control the 2-4 shelves clutch-band on the 2nd grade transmits.1-2 shelves energy storage vibration damper assembly 135 originally is mechanically connected to valve body 110, and by 102, one seal rings 104 of an energy storage shock absorber piston, the energy storage vibration damper pin 147 of a pressure spring 145 and an insertion case 150 is formed.
In 1-2 shifting up operation shown in Figure 3, clutch liquid is directed to 2 grades of clutch actuating devices and 1-2 shelves energy storage vibration damper assembly 135.Hydraulic pressure in 2 grades of clutch fluid hydraulic circuits is strengthened rapidly, thereby overcomes the power and the energy storage damper hydraulic of spring 145, promotes energy storage shock absorber piston 102.This action can absorb the initial accumulated of some 2 grades of clutch hydraulic pressures, and provides a time lag for cushioning the effect of 2-4 shelves clutch-band.
3-4 shelves energy storage vibration damper assembly 140 originally also comprises a wrist pin 147 (Fig. 4) that has 104, one pressure springs 145 of 102, one seal rings of energy storage shock absorber piston of center hole 102a and be pressed into gearbox case shell (not shown).3-4 shelves energy storage vibration damper assembly 140 is main devices of the effect sensation of the 2-4 shelves clutch-band on controlling the 4th grade.The mode of action of 3-4 shelves energy storage vibration damper assembly 140 is similar with 1-2 shelves energy storage vibration damper assembly 135.In the 3-4 shifting up operation, 3-4 shelves energy storage vibration damper has absorbed the initial increase of 3-4 energy storage damper hydraulic, thus the activity ratio of control 2-4 shelves clutch-band.
OEM energy storage vibration damper assembly 100 originally, 135 and 140, an intrinsic problem in its design is that to overcome spring pressure on the energy storage vibration damper pin 106 and 147 of energy storage shock absorber piston 102 at steel reciprocating, energy storage vibration damper pin passes the hole 102a that is positioned at the piston center, and to-and-fro motion causes the generation of wearing and tearing on pin/piston interface.This intrinsic mechanical wear problem causes the clutch hydraulic pressure seepage, makes the shift quality variation, and clutch and clamping strap damage.When the wearing and tearing on pin/piston interface aggravated, energy storage shock absorber piston 102 can deform, or perk makes it to delineate piston hole perpendicular to energy storage vibration damper pin 106,147, finally caused energy storage shock absorber piston 102 to block.
Summary of the invention
The invention provides a kind of clutch energy storage vibration damper assembly and prevent that first wife's clutch energy storage vibration damper assembly from producing the method for hydraulic leakage, the wearing and tearing that it can reduce the energy storage shock absorber piston prevent that the clutch energy storage vibration damper assembly of first wife in the automatic transmission case from producing hydraulic leakage.
In order to solve the problems of the technologies described above, the invention provides following technological scheme:
A kind of clutch energy storage vibration damper assembly at first is provided, it comprises an energy storage shock absorber piston, this piston is placed in the matching hole of gearbox valve body, one is fixed on energy storage vibration damper case in the gearbox valve body with clutch energy storage vibration damper assembly, described energy storage shock absorber piston has a radial solid web structure, be installed on the piston sealing device on the described energy storage shock absorber piston, it can seal described energy storage shock absorber piston in its matching hole, be installed on the piston guide device on the described energy storage shock absorber piston, it can guide the to-and-fro motion of described energy storage shock absorber piston in running, have one and be in the pressure spring of coaxial position with described energy storage shock absorber piston, it is stifled to have a plug that inserts the perforate in the described matching hole.
Described energy storage shock absorber piston comprises a cylindrical abutment wall, and its axial length is longer than first wife's energy storage shock absorber piston, and the described axial length that is increased is less than the external diameter of described cylindrical abutment wall, but in the size restrictions of matching hole.
Described piston guide device has comprised that at least one guide ring is placed at least one groove along the circumferential direction around above-mentioned energy storage shock absorber piston, and this device can comprise that also at least one guiding ridge and described cylindrical abutment wall form one whole along its circumferencial direction.
The solid lubrication coating is added on described at least one guiding ridge.
Also provide a kind of clutch energy storage vibration damper assembly of first wife in the automatic transmission case that prevents to produce the method for hydraulic leakage, it comprises following a few step: provide one to replace the energy storage shock absorber piston, it has removed the energy storage shock absorber piston and the pin/piston interface of first wife's clutch energy storage vibration damper assembly inside, unload first wife's clutch energy storage vibration damper assembly, the interior energy storage vibration damper pin of valve body matching hole that comprises first wife's clutch energy storage vibration damper assembly, stop up energy storage vibration damper pin-and-hole in the gearbox valve body, it is energy storage vibration damper pin residing position before unloading; Described replacement energy storage shock absorber piston is placed matching hole in the gearbox valve body.
A kind of improved clutch energy storage vibration damper assembly also is provided at last, this energy storage vibration damper assembly comprises an energy storage shock absorber piston that has, this piston is placed in the matching hole of gearbox valve body, comprise that also places the pressure spring in the described energy storage shock absorber piston, with one clutch energy storage vibration damper assembly is fixed on energy storage vibration damper case in the gearbox valve body, its improvements comprise: described energy storage shock absorber piston has a radial solid web structure, has the plug of installing in the perforate in described matching hole and blocks up.
The present invention compared with prior art, following obvious improvement is arranged: do not have the energy storage shock absorber piston of pin because of the invention provides a replacement that is used for the GM gearbox, its axial length is significantly less than piston diameter, it has removed energy storage vibration damper pin, thereby has solved the hydraulic leakage problem on energy storage vibration damper pin/piston interface.Extra seal arrangement is provided on the piston circumference and has subtracted lead ring and also promoted this improvement.Extra seal arrangement and/or lead ring guidance piston are reciprocating in consent under the situation that does not have energy storage vibration damper pin, are safeguarding the fluid power integrity of energy storage vibration damper.The energy storage shock absorber piston of the no pin among the present invention is a direct replacement part to the forward direction clutch energy storage vibration damper in the existing GM gearbox and 1-2 shelves and 3-4 shelves energy storage vibration damper, and it can be made by other material, such as the rod iron material, the resin that cast aluminium and engineering are used, such as phenolic resin, can reduce the cost of manufacturing.
Description of drawings
Below in conjunction with drawings and Examples the present invention is described in further detail:
Fig. 1 is marked by " original design ", is a perspective view of OEM energy storage shock absorber piston assembly, and its its working position in the GM4L60E gearbox valve body is removed;
Fig. 2 is marked by " original design ", is the diagram of forward direction clutch energy storage vibration damper and the oil hydraulic circuit that is attached thereto;
Fig. 3 is marked by " original design ", is 1-2 shelves energy storage vibration damper, the diagram of 3-4 shelves energy storage vibration damper and energy storage vibration damper valve and the oil hydraulic circuit that is attached thereto;
Fig. 4 is marked by " original design ", is the perspective exploded view that shows 1-2 shelves energy storage vibration damper and 3-4 shelves energy storage vibration damper parts;
Fig. 5 A is the sectional view that shows the energy storage shock absorber piston of the no pin among the present invention;
Fig. 5 B is the end elevation that shows the energy storage shock absorber piston of the no pin among the present invention;
Fig. 5 C is the sectional view of another kind of device that shows the energy storage shock absorber piston of the no pin among the present invention;
Fig. 6 is mounted in the sectional view of the energy storage vibration damper among the interior the present invention of 1-2 shelves energy storage vibration damper cover cap.
Embodiment
Fig. 5 A has shown an energy storage shock absorber piston 10 with the corresponding to no pin of the present invention.Can see that current energy storage shock absorber piston 10 has been cancelled OEM pin 106,147 through improved structure, hole 102a and corresponding pin/piston interface, and this main root of clutch hydraulic pressure seepage in OEM energy storage shock absorber design just.Because the pin 147 in pin 106 in the OEM forward direction clutch energy storage vibration damper 100 and 1-2 shelves and the 3-4 shelves energy storage vibration damper is left out in current energy storage vibration damper assembly, so the center hole 102a in the OEM piston 102 has also saved from current piston structure, for 12b place in the current design provides a radial solid web structure.
Change in this design of this invention is finished by energy storage shock absorber piston 10.Energy storage shock absorber piston 10 has parts 12 that comprise abutment wall or piston shirt rim 12a, and its L shaped shape place in Fig. 5 A has the axial length of lengthening a little so that the contact bigger than OEM piston 100 arranged in hole 105.
Energy storage shock absorber piston 10 also provides one to comprise the piston guide device, it includes but not limited to following structure: the shirt rim 12a that axial length increases can allow to install at least one extra oil seal ring 15 or guide ring 18 on piston shirt rim 12, in the piston hole 105 (Fig. 5) of valve body 110 (Fig. 1) and/or gearbox case shell, do reciprocal axial motion with guidance piston 10, and need not use energy storage vibration damper pin 106,147 (Fig. 1,4).
Shown in Fig. 5 A, energy storage shock absorber piston 10 is furnished with at least two oil seal rings 15 or guide ring 18, or both combinations.They are positioned at the parallel groove 17 of 12a periphery, piston shirt rim.Oil seal ring 15 and guide ring 18 be all by such as Teflon, the carbon fluorine rubber, or other suitable material makes, and be made into different sectional shapes, and such as lip seal, D shape ring, O shape ring or their combination.Replace pin 106,147 (Fig. 1,4) except playing, the to-and-fro motion of guidance piston 12 is done the time spent operation can be arranged accurately to guarantee clutch, seal ring 15 and guide ring 18 also play the effect of keeping the fluid power integrity of not having pin energy storage vibration damper assembly 10, can cushion the effect with its corresponding clutch.
Shown in Fig. 5 C, also have another kind of structure, a plurality of circumference guiding ridges of raising 16 of energy storage shock absorber piston 10 ' be furnished with hold together with the shirt rim part 12a ' of parts 12 ', to replace seal ring 15 or guide ring 18, shown in Fig. 5 C.In this device, guiding ridge 16 can play guidance piston 10 ' at valve body 110 and subtract the effect of making axially reciprocating in the piston hole 105 of gear box under the situation that does not have energy storage vibration damper pin 106,147.Guiding ridge 16 can be coated such as Teflon or other suitable solid lubrication coating.In another kind of device, if energy storage shock absorber piston 10 ' be made of aluminum, comprise the piston 10 ' of guiding ridge 16 and can be covered with hard anodization coating, can reduce surface friction like this and increase working life.
In another kind optionally installs, have at least a guiding ridge 16 to be used in combination with at least one seal ring 15.Certainly, may have the guiding ridge 16 that surpasses one and become seal ring 15 and guide ring 18 to be used in combination together to reach desirable configuration.
In conjunction with Fig. 1,4,5A, 5C, 6, renovate current energy storage shock absorber piston 10 and 10 ' and put into OEM valve body 110 respectively, need remove case 112,150, and dismounting OEM energy storage vibration damper assembly 100,135 or 140.Then, abandon OEM piston 102 and seal ring 104.From valve body 110, unload energy storage vibration damper pin 106,147 respectively, case 150, and/or gearbox case shell.Then, original pin 106,147 residing holes 30 in valve body 110, case 150 or the gearbox case shell are blocked, it is pressed into perforate 30 with sealing compound with a ball bearing 25 or other suitable stopper.If necessary, with the indentation combined process ball bearing 25 is fixed in the hole 30.Then, current no pin formula piston 10,10 ' need be inserted in the hole 151 of case 150 perhaps, is inserted into the piston hole 105 in the valve body 110, or in the above-mentioned gearbox case shell.
It should be noted that current energy storage shock absorber piston 10,10 ' be furnished with a plurality of projection or pin (Fig. 6) that be positioned at its terminal surface 12c and that fuse with it, they can make end face 12c farthest contact the ATF that enters energy storage vibration damper assembly 10, also can limit the motion of piston 12 in service in hole 105.
In the device configuration of first-selection, not having pin energy storage shock absorber piston 10 can be by ASTM6061-T6 aluminium, and rod iron material or other material are made such as the resin (being phenolic resin) of engineering order, and material require has suitable physics and mechanical property at this application.
Although do not particularly point out in the diagram, should be appreciated that if desired, extra equipment and structure member can be provided, and all above-mentioned parts all can rationally be arranged and support to comprise the exercisable no pin energy storage shock absorber piston of complete sum of this invention characteristic and use its method to form one.
Claims (18)
1, a kind of clutch energy storage vibration damper assembly, it comprises an energy storage shock absorber piston, and this piston is placed in the matching hole of gearbox valve body, and one is fixed on energy storage vibration damper case in the gearbox valve body with clutch energy storage vibration damper assembly, it is characterized in that:
Described energy storage shock absorber piston has a radial solid web structure,
Be installed on the piston sealing device on the described energy storage shock absorber piston, it can seal described energy storage shock absorber piston in its matching hole,
Be installed on the piston guide device on the described energy storage shock absorber piston, it can guide the to-and-fro motion of described energy storage shock absorber piston in running,
Have one and be in the pressure spring of coaxial position with described energy storage shock absorber piston,
It is stifled to have the plug that inserts the perforate in the described matching hole.
2, clutch energy storage vibration damper assembly as claimed in claim 1, it is characterized in that: described energy storage shock absorber piston comprises a cylindrical abutment wall, its axial length is longer than first wife's energy storage shock absorber piston, the described axial length that is increased is less than the external diameter of described cylindrical abutment wall, but in the size restrictions of matching hole.
3, clutch energy storage vibration damper assembly as claimed in claim 2 is characterized in that: described piston guide device has comprised that at least one guide ring is placed at least one groove along the circumferential direction around above-mentioned energy storage shock absorber piston.
4, clutch energy storage vibration damper assembly as claimed in claim 2 is characterized in that: described piston guide device comprises that at least one guiding ridge and described cylindrical abutment wall form one whole along its circumferencial direction.
5, clutch energy storage vibration damper assembly as claimed in claim 4 is characterized in that: the solid lubrication coating is added on described at least one guiding ridge.
6, clutch energy storage vibration damper assembly as claimed in claim 1 is characterized in that: described plug blocking package draw together one with described matching hole in the consistent ball bearing of opening diameter, described ball bearing is inserted in the perforate, and for good and all stay the there.
7, a kind of clutch energy storage vibration damper assembly of first wife in the automatic transmission case that prevents produces the method for hydraulic leakage, it is characterized in that it comprises following a few step:
Provide one to replace the energy storage shock absorber piston, it has removed the energy storage shock absorber piston and the pin/piston interface of first wife's clutch energy storage vibration damper assembly inside,
Unload first wife's clutch energy storage vibration damper assembly, comprise the interior energy storage vibration damper pin of valve body matching hole of first wife's clutch energy storage vibration damper assembly,
Stop up energy storage vibration damper pin-and-hole in the gearbox valve body, it is energy storage vibration damper pin residing position before unloading;
Described replacement energy storage shock absorber piston is placed matching hole in the gearbox valve body.
8, method as claimed in claim 7 is characterized in that, provides one to replace energy storage this step of shock absorber piston and can further comprise following a few step:
Make one and replace the energy storage shock absorber piston, it has an improved cylindrical abutment wall, and the axial length of described improved cylindrical abutment wall is longer than first wife's energy storage shock absorber piston;
The piston guide mode is installed, with the to-and-fro motion of replacing the energy storage shock absorber piston described in the guiding running on described improved cylindrical abutment wall.
9, method as claimed in claim 8 is characterized in that, piston this step of guide device is installed can further comprise: place at least one guide ring at least one groove that forms along described improved cylindrical abutment wall.
10, method as claimed in claim 7 is characterized in that the step of obstruction is that a ball bearing is inserted in the energy storage vibration damper pin-and-hole, and it is forever stayed the there.
11, a kind of improved clutch energy storage vibration damper assembly, this energy storage vibration damper assembly comprises an energy storage shock absorber piston that has, this piston is placed in the matching hole of gearbox valve body, comprise that also places the pressure spring in the described energy storage shock absorber piston, with one clutch energy storage vibration damper assembly is fixed on energy storage vibration damper case in the gearbox valve body, it is characterized in that:
Described energy storage shock absorber piston has a radial solid web structure,
It is stifled to have the plug of installing in the perforate in described matching hole.
12, improved clutch energy storage vibration damper assembly as claimed in claim 11, it is characterized in that: described energy storage shock absorber piston comprises a cylindrical abutment wall, its axial length is longer than first wife's energy storage shock absorber piston, the described axial length that is increased is less than the external diameter of described cylindrical abutment wall, but in the size restrictions of described matching hole.
13, as claimed in claim 12 through improved clutch energy storage vibration damper assembly, it is characterized in that: described energy storage shock absorber piston has comprised mounted thereto piston guide device, is used for guiding the described to-and-fro motion of being done through improved energy storage shock absorber piston in the matching hole in the running.
14, as claimed in claim 13 through improved clutch energy storage vibration damper assembly, it is characterized in that: described piston guide device has comprised that at least one guide ring is placed at least one in described energy storage shock absorber piston groove along the circumferential direction.
15, as claimed in claim 13 through improved clutch energy storage vibration damper assembly, it is characterized in that: described piston guide device comprises that at least one guiding ridge and described abutment wall form one whole along its circumferencial direction.
16, as claimed in claim 15 through improved clutch energy storage vibration damper assembly, it is characterized in that: the solid lubrication coating is added on the described energy storage shock absorber piston, described energy storage shock absorber piston comprises at least one described guiding ridge, to reduce surface friction.
17, as claimed in claim 15 through improved clutch energy storage vibration damper assembly, it is characterized in that: hard anodization coating is added on the described energy storage shock absorber piston, described energy storage shock absorber piston comprises at least one described guiding ridge, to reduce surface friction.
18, as claimed in claim 11 through improved clutch energy storage vibration damper assembly, it is characterized in that: described plug blocking package draw together one with described matching hole in the consistent ball bearing of opening diameter, described ball bearing is inserted in the interior perforate of described matching hole, and for good and all is retained in the there.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410097544 CN1779284A (en) | 2004-11-26 | 2004-11-26 | Energy storing vibration absorber of clutch and method for preventing it from hydraulic leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410097544 CN1779284A (en) | 2004-11-26 | 2004-11-26 | Energy storing vibration absorber of clutch and method for preventing it from hydraulic leakage |
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| CN1779284A true CN1779284A (en) | 2006-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200410097544 Pending CN1779284A (en) | 2004-11-26 | 2004-11-26 | Energy storing vibration absorber of clutch and method for preventing it from hydraulic leakage |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899701A (en) * | 2012-12-26 | 2014-07-02 | 东洋橡胶工业株式会社 | Vibration isolation device |
| CN113175490A (en) * | 2020-01-24 | 2021-07-27 | 伊希欧1控股有限公司 | Damping unit for an electromechanically controlled system |
-
2004
- 2004-11-26 CN CN 200410097544 patent/CN1779284A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899701A (en) * | 2012-12-26 | 2014-07-02 | 东洋橡胶工业株式会社 | Vibration isolation device |
| CN103899701B (en) * | 2012-12-26 | 2016-03-02 | 东洋橡胶工业株式会社 | Vibration control equipment |
| CN113175490A (en) * | 2020-01-24 | 2021-07-27 | 伊希欧1控股有限公司 | Damping unit for an electromechanically controlled system |
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