CN101373004A - Coupling device - Google Patents
Coupling device Download PDFInfo
- Publication number
- CN101373004A CN101373004A CNA2007101816888A CN200710181688A CN101373004A CN 101373004 A CN101373004 A CN 101373004A CN A2007101816888 A CNA2007101816888 A CN A2007101816888A CN 200710181688 A CN200710181688 A CN 200710181688A CN 101373004 A CN101373004 A CN 101373004A
- Authority
- CN
- China
- Prior art keywords
- hollow shaft
- connecting body
- flip sleeve
- interior surface
- form interior
- 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.)
- Pending
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D7/00—Slip couplings, e.g. slipping on overload, for absorbing shock
- F16D7/02—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type
- F16D7/021—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with radially applied torque-limiting friction surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
- F16D1/09—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces
- F16D1/093—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces using one or more elastic segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping
- F16D1/097—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces using one or more elastic segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping with clamping effected by ring expansion only, e.g. with an expanded ring located between hub and shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
- F16D1/09—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces
- F16D2001/0903—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces the clamped shaft being hollow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
- F16D3/64—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic elements arranged between substantially-radial walls of both coupling parts
- F16D3/68—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic elements arranged between substantially-radial walls of both coupling parts the elements being made of rubber or similar material
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The invention relates to a coupling shaft device (10) which comprises a hollow shaft (11) for rotating and connecting each machine part, wherein a connector (17) rotationally and fixedly connected with the hollow shaft and used for connecting the hollow shaft (11) onto a bent elastic coupling shaft element (13) on at least one end part (19) of the hollow shaft (11). The coupling shaft device is characterized in that the connector (17) is basically annular and is connected with an cylindrical outer surface (20) of the hollow shaft (11) in a mode of friction and locking of the cylindrical inner surface (28) of the connector, and force transfer between the hollow shaft (11) and the connector (17) is achieved under the action of a clamping device (22) provided with an expanding cone (23), the expanding cone is arranged in the end part (19) of the hollow shaft (11), and the expanding cone determines the transferred torque through expanding the hollow shaft (11) and compacting the cylindrical inner surface (28) of the connector (17).
Description
Technical field
The present invention relates to a kind of hitch bar as described in the preamble according to claim 1, comprise a hollow shaft in order to each machine part that is rotatably connected, wherein at least on an end of hollow shaft, rotation is connected with hollow shaft regularly is used for the connecting body that hollow shaft is connected on the shaft coupling element of a bending elasticity is arranged on hollow shaft.
Background technique
A kind of known for many years by the applicant with title
Such shaft coupling that the present invention who sells sets out thus relates to a kind of pair of universal joint shaft system, and it comprises a hollow shaft, connects a flexible shaft coupling respectively at its each end.In this case, one of them shaft coupling for example is connected hollow shaft with a transmission device output shaft motion, and another shaft coupling is connected with a generator input shaft.At least on an end of hollow shaft,, a kind of being welded to connect or the bolt connection is set for its connecting body with a shaft coupling side is connected.Two kinds of Placements are to be rigidly connected and possibility does not limit transferable torque, so that for example avoid the overload of the equipment of shaft coupling or connection.
Summary of the invention
The present invention begins thus.Its purpose particularly in, simplify the hitch bar of the described type of beginning and realize having the possibility that the power that limits torque is transmitted simultaneously about a shaft coupling being connected to aspect on the hollow shaft.
Utilize the feature of claim 1 to reach this purpose.According to the present invention, that connecting body constitutes basically annular and be connected with the cylindrical outer surface of hollow shaft with its cylindrical form interior surface friction sealedly.In the power transmission that realizes under the effect of a clamp device with a diverging cone between hollow shaft and the connecting body, diverging cone is packed in the end of hollow shaft, and diverging cone is by the expansion hollow shaft and be pressed on the cylindrical form interior surface of connecting body and determine transferable torque.
Utilize the present invention, reach on the one hand sealed being connected that simply that is only rub between hollow shaft and connecting body, it does not need soldered or bolt to connect.Owing to determine the sealed connection of friction, so between each machine part that friction sealedly is rotatably connected mutually, also set up the simple of a kind of torque limit and possibility that can very accurate adjusting by diverging cone.
According to another kind of form of implementation of the present invention, the axial end that embeds the zone that of hollow shaft is equivalent to clamp cone basically constitutes an end face towards hollow shaft over there by the conical internal surface that enlarges of the cone angle of diverging cone.This internal surface is connected with the corresponding conical outer surface friction that constitutes of diverging cone sealedly.Remain in the conical end of hollow shaft to preferred diverging cone self-locking.Therefore might be in a simple manner to adjusting by the transferable peak torque of hitch bar.This can for example carry out on a test stand, can enter the slip torque of the adjustment degree of depth calibration hitch bar of hollow shaft on test stand according to diverging cone by the surveying instrument that is fit to.Because the setting of the self-locking of diverging cone, the in service eliminating again of adjustment afterwards adjusted.
According to another kind of the present invention and particularly advantageous form of implementation, connecting body can be connected with the cylindrical outer surface of hollow shaft by the flip sleeve friction between the cylindrical outer surface of a cylindrical form interior surface that is arranged on connecting body and hollow shaft with its cylindrical form interior surface sealedly indirectly, and can dispose some mechanisms for flip sleeve, these mechanisms between the cylindrical outer surface of the cylindrical form interior surface of flip sleeve and hollow shaft than between the cylindrical form interior surface of the cylindrical outer surface of flip sleeve and connecting body, providing bigger static friction.
In this respect, the cylindrical form interior surface of flip sleeve preferably is provided with a layer that improves friction, and this layer for example can comprise corundum.In addition, such layer can for example be on the cylindrical form interior surface that is coated to flip sleeve or be coated to the lotion that is mixed with hard material particles such as diamond, corundum on the cylindrical outer surface of hollow shaft.
In addition advantageously, the axial length of flip sleeve is about as much as the end that the taper shape of hollow shaft enlarges or the axial length of diverging cone basically.Flip sleeve can loosely not be contained under the jam between the cylindrical form interior surface of the cylindrical outer surface of hollow shaft and connecting body basically at hitch bar, and this is convenient to the installation of hitch bar.What conform with purpose simultaneously is that connecting body and while flip sleeve can not remain on the hollow shaft by the axial relief device with losing.It would, of course, also be possible to is provided with press fit between flip sleeve and hollow shaft.
Be attached to the form of implementation on the cylindrical outer surface of hollow shaft with respect to the cylindrical form interior surface direct friction of above-mentioned connecting body sealedly, this second kind major advantage that comprises the form of implementation of flip sleeve be basically flip sleeve as cheaply, the characteristic of the wear-out part that can be easy to change.Flip sleeve can be made of steel, but considers that especially the good especially sliding properties of the outer surface of coating can not be made of bronze.
As suitable especially application example of the present invention, can be used for being rotatably connected as the friction between the hollow shaft of generator coupling shaft is sealed with one at a drive unit.If for example when blast or generator short circuit take place, import a peak torque and surpass the limiting value of adjusting simultaneously by wind force driving device, generation skidding in short-term between the cylindrical outer surface of the cylindrical form interior surface of connecting body and hollow shaft then.Provide the mechanism of a bigger static friction to guarantee now, between the cylindrical outer surface of the cylindrical form interior surface of flip sleeve and hollow shaft, keep changeless non-skidly being rotatably connected, therefore here prevented to trackslip.
Description of drawings
In a preferred embodiment of the present invention shown in each accompanying drawing.Wherein:
The axial longitudinal section of two universal joint shaft devices of Fig. 1 comprises a hollow shaft that connects two shaft couplings; And
Fig. 2 comprises each the distolateral link that is used for shaft coupling by a preferred embodiment of the present invention by a view that has only hollow shaft of simplifying once more of the diagramatic way of Fig. 1.
Embodiment
The constantvelocity universal joint of each machine part that is used to be rotatably connected is totally used mark 10 marks.Shaft coupling K comprises a hollow shaft 11.Connect one first universal shaft coupling 12 and connect one second universal shaft coupling 13 at an end of this hollow shaft 11 at the other end of hollow shaft 11.
Shaft coupling 12 is connected by a wheel hub 14 left end of Fig. 1 hollow mandrel 11 with a same unshowned output shaft of a unshowned transmission device.For the purpose of complete, should mention in the embodiment in figure 1 and go back brake disc of mark with 15.
Shaft coupling 13 is connected the right-hand member of Fig. 1 hollow mandrel 11 with a wheel hub 16, this wheel hub for example can be connected by same unshowned input shaft with of a unshowned generator.
In the applicant's DE 42 05 666 C2, described in more detail one with similar constantvelocity universal joint shown in Fig. 1.
Be that within the scope of the invention with simple end and connecting body 17 that is connected a hollow shaft 11 with the mode that is fit to, wherein this connecting body 17 is maybe can be the part of shaft coupling 13.
By a preferred embodiment of the present invention it is described in more detail below with reference to Fig. 2.At first should mention, with connecting body of 18 marks, be used for the shaft coupling of Fig. 1 among Fig. 2, but with regard to the present invention, to this part of hitch bar and lose interest in 12 marks.
Otherwise according to shown in the right among the interested Fig. 2 of being of the present invention and hitch bar that totally use 10 marks.The length L of hollow shaft 11 has a cylindrical outer surface 20 and one outside (with respect to Fig. 2 to the right) conical cone-shaped inner surface 21 that enlarges with the end of 19 marks.
22 marks clamp devices, it is made of a diverging cone 23, and its outer surface 24 constitutes conical, that is taper, and its cone angle is equivalent to the cone angle of conical inner surface 21 of the end 19 of hollow shaft 11 basically.On the cylindrical outer surface 20 of the end 19 of hollow shaft 11, be provided with a flip sleeve 25 with its cylindrical form interior surface 26.The outer surface 27 of flip sleeve 25 also is cylindrical, and the internal surface 28 of connecting body 17 is same.
What at first obviously can see thus is, has different slidingsurfaces or friction surface pair, that is surface secondary 21/24,20/26 and 27/28.These friction surface pairs are used to make between hollow shaft 11 and connecting body 17 can torque synchronous.
In order to be produced as the needed frictional force of transmission of torque, from Fig. 2, be encased in the hollow shaft 11 side of opening wide of the hollow shaft 11 shown in the right clamping the direction of cone 23 along arrow 29 quite far.Consequently, hollow shaft 11 is in the overlap region of diverging cone 23, that is radial dilatation on length L roughly.Because the key groove of the internal surface 21 of the key groove of the outer surface 24 of clamping cone 23 and the end 19 of hollow shaft 11 is corresponding mutually, so uniform enlarged-diameter takes place the cylindrical outer surface 20 of the end 19 of hollow shaft 11.Therefore end 19 is pressed onto with its cylindrical outer surface 20 on the cylindrical form interior surface 26 of flip sleeve 25 and flip sleeve is pressed onto on the cylindrical form interior surface 28 of connecting body 17 with its cylindrical outer surface 27.Therefore can find out obviously that friction realizes transmission of torque sealedly between hollow shaft 11 and connecting body 17.
According to the present invention, the cylindrical form interior surface 26 of flip sleeve 25 has the friction factor higher than the cylindrical outer surface 27 of flip sleeve 25.If therefore shown in the hitch bar 10 owing to skid above static friction, then can occur between the cylindrical form interior surface of the cylindrical outer surface 27 of flip sleeve 25 and connecting body, and not between the cylindrical outer surface 24 of the end 19 of the cylindrical form interior surface of flip sleeve 25 and hollow shaft 11 and also not on trochoidal surface pair 24/21.
Can reach by a kind of lotion that is mixed with diamond dust being coated on surface 26 and/or the surface 20 at the higher friction factor on the cylindrical form interior surface of flip sleeve 25.
Because owing to the cylindrical form interior surface 26 of flip sleeve 25 can not skid with respect to the higher static friction of the cylindrical outer surface 20 of the end 19 of hollow shaft 11, and only on surface secondary 27/28, take place, so also can not wear and tear there.Under the situation of wearing and tearing, it is present in the surface secondary 27/28.In this case, just can and also change the connecting body 17 (Fig. 1) of shaft coupling 13 at low cost with the mode of few relatively cost and method.
Wedge-shaped surface device 21/24 is definite like this aspect key groove, makes to have self-locking under whole running statees.That is the diverging cone 23 that is in operation can not be released or be withdrawed from from the position that conforms with operation of its primary calibration.Perhaps also might prevent withdrawing from of diverging cone 23 naturally by device such as screw, the pin etc. of shape locking action.
Be subjected to load or conform with operation ground to carry out simulated mode by making whole hitch bar 10 conform with the operation ground warp, for example on the test stand position that conforms with operation in the end 19 of diverging cone 23 at hollow shaft 11 is being calibrated.The hollow shaft 11 of then diverging cone 23 being packed into is interior up to the slip torque that produces requirement under the torque situation of being scheduled on surface secondary 27/28.
Use two guard rings of 30 and 31 marks in addition, they not only are held in place the end 19 of shaft coupling 10 with respect to hollow shaft 11 along its axial direction then reliably with flip sleeve 25 but also with connecting body 17.
The above relatively more simple form of implementation of form of implementation that describe in detail and preferred is not shown in the drawings.It saves flip sleeve 25 as can be known and under the situation that the diameter of cylindrical outer surface 26 and 28 cooperates when observing the right-hand part of Fig. 2.Cylindrical outer surface 20 direct friction of the end 19 of hollow shaft 11 contact the cylindrical form interior surface 28 of the connecting body 17 of hitch bar 10 sealedly then, wherein the intensity of this sliding contact is determined by size again, because by the expansion of diverging cone 23, connecting body 17 is pressed to internally with described size in the end 19 of hollow shaft 11.
Claims (9)
1. hitch bar (10), comprise a hollow shaft (11) in order to each machine part that is rotatably connected, wherein at least on an end (19) of hollow shaft (11), rotation is connected with hollow shaft regularly is used for the connecting body (17) that hollow shaft (11) is connected on the shaft coupling element (13) of a bending elasticity is arranged on hollow shaft, it is characterized in that, that connecting body (17) constitutes basically annular and be connected with the cylindrical outer surface (20) of hollow shaft (11) with its cylindrical form interior surface (28) friction sealedly, and in the power transmission that realizes under the effect of a clamp device (22) with diverging cone (23) between hollow shaft (11) and the connecting body (17), diverging cone is packed in the end (19) of hollow shaft (11), and diverging cone is by expansion hollow shaft (11) and be pressed to definite transferable torque on the cylindrical form interior surface (28) of connecting body (17).
2. according to the described hitch bar of claim 1, it is characterized in that the axial end (19) that embeds the zone that of hollow shaft (11) is equivalent to clamp cone (23) basically constitutes the internal surface (21) that an end face towards hollow shaft (11) press the conical expansion of cone angle of diverging cone (23) over there.
3. according to claim 1 or 2 described hitch bars, it is characterized in that, remain in the conical end (19) of hollow shaft (11) to diverging cone (23) self-locking.
4. according to one of an aforesaid right requirement described hitch bar, it is characterized in that, connecting body (17) is connected with the cylindrical outer surface (20) of hollow shaft (11) by flip sleeve (25) friction between the cylindrical outer surface (20) of a cylindrical form interior surface (28) that is arranged on connecting body (17) and hollow shaft (11) with its cylindrical form interior surface (28) sealedly indirectly, and flip sleeve (25) is equipped with some mechanisms, this this mechanism between the cylindrical outer surface (20) of the cylindrical form interior surface (26) of flip sleeve (25) and hollow shaft (11) than between the cylindrical form interior surface (28) of the cylindrical outer surface (27) of flip sleeve (25) and connecting body (17), providing bigger static friction.
5. according to the described hitch bar of claim 4, it is characterized in that the cylindrical form interior surface (26) of flip sleeve (25) is provided with a layer that improves friction.
6. according to the described hitch bar of claim 5, it is characterized in that the layer that improves static friction is that the lotion that is mixed with hard material particles such as diamond, corundum on the cylindrical outer surface (20) of hollow shaft (11) is gone up or be coated to a cylindrical form interior surface (26) that is coated to flip sleeve (25).
7. according to one of claim 4 to 6 described hitch bar, it is characterized in that the axial length (L) of flip sleeve (25) is equivalent to the end (19) that the taper shape of hollow shaft (11) enlarges or the axial length of diverging cone (23) basically approximately.
8. according to one of claim 4 to 7 described hitch bar, it is characterized in that flip sleeve (25) loosely is not contained under the jam between the cylindrical form interior surface (28) of the cylindrical outer surface (20) of hollow shaft (11) and connecting body (17) basically at hitch bar (10).
9. according to the described hitch bar of claim 8, it is characterized in that connecting body (17) and while flip sleeve (25) can not remain on the hollow shaft (11) by axial relief device (30,31) with losing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007039673A DE102007039673B3 (en) | 2007-08-22 | 2007-08-22 | clutch assembly |
| DE102007039673.4 | 2007-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101373004A true CN101373004A (en) | 2009-02-25 |
Family
ID=40435749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101816888A Pending CN101373004A (en) | 2007-08-22 | 2007-10-24 | Coupling device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101373004A (en) |
| DE (1) | DE102007039673B3 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106284524A (en) * | 2016-10-13 | 2017-01-04 | 上海市城市排水有限公司 | A kind of reforming technology of pumping plant intake pool |
| CN111520417A (en) * | 2020-06-05 | 2020-08-11 | 镇江索达联轴器有限公司 | Special drum-shaped tooth coupling for full-dull reaction kettle and mounting method thereof |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010003574B4 (en) * | 2010-03-31 | 2012-02-09 | Schwäbische Hüttenwerke Automotive GmbH | Press assembly and method for producing a press composite |
| DE102010023314B4 (en) * | 2010-06-10 | 2012-01-05 | Siegfried Weiss | The shaft-hub-connection |
| US20120241279A1 (en) * | 2011-03-21 | 2012-09-27 | General Electric Company | Load coupling for power generation systems |
| CN103344204B (en) * | 2013-07-25 | 2016-01-27 | 青岛弗尔迪测控有限公司 | The transmission device with high stability of manual three coordinate measuring machine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE322453C (en) * | 1913-07-04 | 1920-06-30 | Edmond Mansuy | Hub fastening, in which the fastening and loosening of the hub is carried out using screw nuts |
| US1903060A (en) * | 1931-06-18 | 1933-03-28 | Mitchell Orville | Shaft mounting for rotatable cylinders |
| US3584473A (en) * | 1969-11-19 | 1971-06-15 | Uniroyal Inc | Force-transmitting systems |
| DE2734784C2 (en) * | 1977-08-02 | 1979-08-30 | Ralph 4041 Huelchrath Muellenberg | Clamping set |
| JPS61149615A (en) * | 1984-12-24 | 1986-07-08 | Masanori Mochizuki | Method for fixing rotating body |
| DE4118941C2 (en) * | 1991-06-08 | 1995-06-14 | Hartwig Dipl Ing Stuewe | Hub / shaft connection |
| DE4205666C2 (en) * | 1992-02-25 | 1994-02-03 | Kirschey Centa Antriebe | PTO shaft |
| FR2852369B1 (en) * | 2003-03-13 | 2006-01-06 | Eurocopter France | COUPLING FLANGE SYSTEM FOR HOLLOW SHAFT |
-
2007
- 2007-08-22 DE DE102007039673A patent/DE102007039673B3/en not_active Expired - Fee Related
- 2007-10-24 CN CNA2007101816888A patent/CN101373004A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106284524A (en) * | 2016-10-13 | 2017-01-04 | 上海市城市排水有限公司 | A kind of reforming technology of pumping plant intake pool |
| CN111520417A (en) * | 2020-06-05 | 2020-08-11 | 镇江索达联轴器有限公司 | Special drum-shaped tooth coupling for full-dull reaction kettle and mounting method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102007039673B3 (en) | 2009-04-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090225 |