WO2010104442A1 - A sleeve - Google Patents

A sleeve Download PDF

Info

Publication number
WO2010104442A1
WO2010104442A1 PCT/SE2010/000049 SE2010000049W WO2010104442A1 WO 2010104442 A1 WO2010104442 A1 WO 2010104442A1 SE 2010000049 W SE2010000049 W SE 2010000049W WO 2010104442 A1 WO2010104442 A1 WO 2010104442A1
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
machine member
anyone
elongated
coupling
Prior art date
Application number
PCT/SE2010/000049
Other languages
French (fr)
Inventor
Bo Svensson
Original Assignee
Aktiebolaget Skf
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Aktiebolaget Skf filed Critical Aktiebolaget Skf
Priority to EP10751078A priority Critical patent/EP2406503A4/en
Publication of WO2010104442A1 publication Critical patent/WO2010104442A1/en

Links

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
    • 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
    • F16D1/091—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 and comprising a chamber including a tapered piston moved axially by fluid pressure to effect clamping
    • 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
    • F16D1/095—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 contraction only
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/005—Means to increase the friction-coefficient

Definitions

  • the present invention refers to a sleeve for increasing the torque transferring ability between a first elongated machine member and a second machine member.
  • a common method for connecting a first, elongated machine member to a second machine member having an opening surrounding the elongated machine member is to position the opening of the second machine member over an end portion of the first elongated machine member and create a grip between the first and second machine members by means of a shrink coupling mounted on the second machine member for creating a high pressure between the two machine members.
  • Such a coupling can for example be used between a gearbox shaft and a main shaft in a wind turbine.
  • the tubular gearbox shaft can be positioned over the end of the main shaft and a shrink coupling can be applied for causing the required grip.
  • the length available for the coupling is rather short and for this reason it is required a coupling with a big diameter for permitting the high pressure required for transfer of high torques.
  • the coupling will be bulky and heavy, particularly for the wind turbines of the future which will be designed for generating higher effects. This means that the components in the wind turbines will become heavier and the shaft and particularly the shaft coupling will have to transfer more torque, without slipping. This will also cause higher stresses in the involved components in the system.
  • the purpose of the invention is to propose a sleeve for increasing a torque transferring ability between a first elongated machine member and a second machine member having an opening surrounding the first elongated machine member, and intended to be subjected to a pressure directed toward the first elongated machine member, with which the weight and the stresses are reduced and the torque which can be transmitted is increased, and this has been achieved by providing the sleeve, at least at one of its inner and outer envelope surfaces, with a friction increasing layer.
  • Fig.l is a section along line A - A in Fig. 2 of a coupling between a first and a second machine member in accordance with the present invention
  • Fig. 2 is an end view of the coupling and machine members shown in Fig. 1, and
  • Fig. 3 is a perspective view of the coupling as shown in Figs . 1 and 2.
  • Fig. 4 is a view of an embodiment of the sleeve 4.
  • Fig. 1 shows a cross-section along line A- A in Fig, 2 of a first machine member 1, in the embodiment illustrated, a tubular, cylindrical shaft journal.
  • a second machine member 2 which is a tubular cylindrical member, such as a hollow shaft, is positioned to enclose the first machine member 1.
  • a shrink coupling such as for instance an oil injection shaft coupling 3 as illustrated.
  • a new component has been added to the system, in form of a high friction sleeve 4.
  • This sleeve 4 has a higher friction coefficient than the two machine members 1, 2, and it is preferably - but not necessarily - in an embodiment a plasma coated sleeve, positioned between the first and the second machine members.
  • the coating on the sleeve is in an embodiment preferably based on carbides.
  • the coating is very robust allowing the sleeve to be remounted several times without any significant reduction of the friction coefficient.
  • the plasma sprayed coating does not wear down significantly during operation of the coupling system.
  • the coating layer has preferably a thickness of 0.02 to 0.04 mm.
  • the sleeve 4 is illustrated as a cylindrical bushing positioned in a corresponding recess 5 in the second or outer machine member 2, and in this case both the inner and outer envelope surfaces of the sleeve have been subjected to a friction increasing treatment.
  • the shape of the sleeve 4 is not necessarily cylindrical but it might be tapering and it can even be stepped if the first machine member 1 and/or the second machine member 2 have such an outer or inner shape, respectively.
  • the drawing shows an outer or second machine member 2 with a recess 5 for accommodating the high friction sleeve 4, it is of course also possible that the inner or first machine member 1 has an outer recess in which the sleeve 4 can be positioned, and it is even possible that the sleeve 4 is made integral with the material in the outer envelope surface of the first machine member 1 or with the material in the inner surface of the second or outer machine member 2.
  • Fig. 2 is an end view of the coupling and machine members shown in smaller scale as compared to Fig. 1, and the coupling and machine members are shown in perspective in Fig. 3, whereby a 45° section has been cut out for clarifying the mutual relation between the different components of the arrangement .
  • the shaft coupling 3 illustrated in the drawing is an oil injection shaft coupling, although any other appropriate shrink coupling can be used for effecting the clamping effect giving a sufficient pressure for causing a grip between the first and the second machine members 1, 2.
  • shrink couplings or shrink discs.
  • the oil injection shaft coupling 3 incorporates an outer ring 3a having a tapering inner envelope surface, which cooperates with a correspondingly tapering outer envelope surface on an inner ring 3b. At one end of the outer ring 3a there is provided a concentric cylindrical recess.
  • a nut 3c is screwed up and tightened on an external thread on the inner ring 3b thus that a closed chamber 3d is formed by the recess between the outer ring 3a, the inner ring 3b and the nut 3c.
  • Oil injection nipples 6, 7 are provided through the outer ring 3a for supply of pressurized oil to the chamber 3d and to the cooperating surfaces between the outer ring 3a and the inner ring 3b.
  • the proposed high friction sleeve can be used in all types of applications, where torque is to be transferred, having a first machine member and a second machine member according to the described embodiments.
  • the proposed high friction sleeve 4 it can in an embodiment be calculated with a friction coefficient of ⁇ 0.50.
  • the approved coefficient of friction for a coupling without use of a high friction sleeve is ⁇ 0.18.
  • the torque which can be transmitted will be more than 2.5 times higher when a high friction sleeve is used as compared to a coupling having no such high friction sleeve.
  • the result will be a reduced pressure on the first machine member and/or a reduced coupling size.
  • sleeve 4 In fig. 4, an embodiment of the sleeve 4 according to the invention is shown, wherein the sleeve 4 presents at least one slit 8 extending axially from one axial end of the sleeve 4. In the embodiment shown, there are four axially extending slits 8.
  • the slits 8 facilitate mounting and dismounting of the sleeve onto the first machine member 1. Furthermore, the slits 8 make it possible to mount the sleeve with zero play between the sleeve 4 and the first machine member 1 in cold condition, i.e. there is no need to warm up the sleeve 4 to achieve zero play.
  • plugs 9 can be inserted into the slits 8 to radially expand the sleeve 4.
  • the invention is not limited to the embodiment illustrated in the accompanying drawings and described with reference thereto.
  • the high friction sleeve is positioned in a recess in the second or outer machine member, which recess does not extend along the entire length of the second machine member, thus that the high friction sleeve 4 will abut a shoulder in the recess 5, but the high friction sleeve can also extend along the entire length of the second - or first - machine member thus that there is no specific recess made in anyone of the two machine members.

Abstract

The present invention refers to a sleeve (4) for increasing a torque transferring ability between a first elongated machine member (1) and a second machine member (2) having an opening surrounding the first elongated machine member, and intended to be subjected to a pressure directed toward the first elongated machine member (1), wherein the sleeve (4), at least at one of its inner and outer envelope surfaces, is provided with a friction increasing layer.

Description

A SLEEVE
Field of invention
The present invention refers to a sleeve for increasing the torque transferring ability between a first elongated machine member and a second machine member.
Background of the invention
A common method for connecting a first, elongated machine member to a second machine member having an opening surrounding the elongated machine member, is to position the opening of the second machine member over an end portion of the first elongated machine member and create a grip between the first and second machine members by means of a shrink coupling mounted on the second machine member for creating a high pressure between the two machine members.
Such a coupling can for example be used between a gearbox shaft and a main shaft in a wind turbine. The tubular gearbox shaft can be positioned over the end of the main shaft and a shrink coupling can be applied for causing the required grip.
However, the length available for the coupling is rather short and for this reason it is required a coupling with a big diameter for permitting the high pressure required for transfer of high torques. This means that the coupling will be bulky and heavy, particularly for the wind turbines of the future which will be designed for generating higher effects. This means that the components in the wind turbines will become heavier and the shaft and particularly the shaft coupling will have to transfer more torque, without slipping. This will also cause higher stresses in the involved components in the system.
This makes it necessary to reduce the weight and the stresses of the components to increase the efficiency of the coupling. Summary of the invention
The purpose of the invention is to propose a sleeve for increasing a torque transferring ability between a first elongated machine member and a second machine member having an opening surrounding the first elongated machine member, and intended to be subjected to a pressure directed toward the first elongated machine member, with which the weight and the stresses are reduced and the torque which can be transmitted is increased, and this has been achieved by providing the sleeve, at least at one of its inner and outer envelope surfaces, with a friction increasing layer.
Brief description of the drawings Hereinafter the invention will be described with reference to an embodiment illustrated in the accompanying drawing.
Fig.l is a section along line A - A in Fig. 2 of a coupling between a first and a second machine member in accordance with the present invention,
Fig. 2 is an end view of the coupling and machine members shown in Fig. 1, and
Fig. 3 is a perspective view of the coupling as shown in Figs . 1 and 2.
Fig. 4 is a view of an embodiment of the sleeve 4.
Description of the preferred embodiment
Fig. 1 shows a cross-section along line A- A in Fig, 2 of a first machine member 1, in the embodiment illustrated, a tubular, cylindrical shaft journal. A second machine member 2, which is a tubular cylindrical member, such as a hollow shaft, is positioned to enclose the first machine member 1. In order to apply a radial pressure on the second machine member 2 creating a grip between the two machine members 1, 2, there is provided a shrink coupling, such as for instance an oil injection shaft coupling 3 as illustrated.
In order to decrease weight and stresses and increase the transmitted torque, a new component has been added to the system, in form of a high friction sleeve 4. This sleeve 4 has a higher friction coefficient than the two machine members 1, 2, and it is preferably - but not necessarily - in an embodiment a plasma coated sleeve, positioned between the first and the second machine members. The coating on the sleeve is in an embodiment preferably based on carbides. In the embodiment when the coating is a plasma sprayed carbide coating, the coating is very robust allowing the sleeve to be remounted several times without any significant reduction of the friction coefficient. Furthermore, the plasma sprayed coating does not wear down significantly during operation of the coupling system. In an embodiment, the coating layer has preferably a thickness of 0.02 to 0.04 mm.
In the embodiment illustrated the sleeve 4 is illustrated as a cylindrical bushing positioned in a corresponding recess 5 in the second or outer machine member 2, and in this case both the inner and outer envelope surfaces of the sleeve have been subjected to a friction increasing treatment.
The shape of the sleeve 4 is not necessarily cylindrical but it might be tapering and it can even be stepped if the first machine member 1 and/or the second machine member 2 have such an outer or inner shape, respectively.
Although the drawing shows an outer or second machine member 2 with a recess 5 for accommodating the high friction sleeve 4, it is of course also possible that the inner or first machine member 1 has an outer recess in which the sleeve 4 can be positioned, and it is even possible that the sleeve 4 is made integral with the material in the outer envelope surface of the first machine member 1 or with the material in the inner surface of the second or outer machine member 2.
Fig. 2 is an end view of the coupling and machine members shown in smaller scale as compared to Fig. 1, and the coupling and machine members are shown in perspective in Fig. 3, whereby a 45° section has been cut out for clarifying the mutual relation between the different components of the arrangement .
The shaft coupling 3 illustrated in the drawing is an oil injection shaft coupling, although any other appropriate shrink coupling can be used for effecting the clamping effect giving a sufficient pressure for causing a grip between the first and the second machine members 1, 2. There are other appropriate types of shrink couplings, or shrink discs. For instance, there are couplings that use bolts and nuts in order to give a sufficient pressure on the shafts to be connected. The oil injection shaft coupling 3 incorporates an outer ring 3a having a tapering inner envelope surface, which cooperates with a correspondingly tapering outer envelope surface on an inner ring 3b. At one end of the outer ring 3a there is provided a concentric cylindrical recess. A nut 3c is screwed up and tightened on an external thread on the inner ring 3b thus that a closed chamber 3d is formed by the recess between the outer ring 3a, the inner ring 3b and the nut 3c. Oil injection nipples 6, 7 are provided through the outer ring 3a for supply of pressurized oil to the chamber 3d and to the cooperating surfaces between the outer ring 3a and the inner ring 3b. When pressure oil is injected through the nipples 6, 7, the outer ring 3a is pushed axially by means of the pressure applied by the pressure oil from the nipple 6 in the chamber 3d thereby sliding on the oil film applied between the cooperating ring surfaces by the pressure oil supplied via the nipple 7, and due to the taper of the two rings, the pressure acting radially is increased and the grip between the shrink coupling 3 and the second machine member 2 and thereby between the second machine member 2, the high friction sleeve 4 and the first machine member 1 is increased for giving a grip between the two machine members. Combining the oil injection shaft coupling 3 with the sleeve 4 leads to a compact and robust coupling system with a good grip. It is especially advantageous to use this type of coupling system in a wind turbine, which is a demanding application and where maintenance can be costly.
The proposed high friction sleeve can be used in all types of applications, where torque is to be transferred, having a first machine member and a second machine member according to the described embodiments.
With the proposed high friction sleeve 4 it can in an embodiment be calculated with a friction coefficient of μ 0.50. The approved coefficient of friction for a coupling without use of a high friction sleeve is μ 0.18. Thus the torque which can be transmitted will be more than 2.5 times higher when a high friction sleeve is used as compared to a coupling having no such high friction sleeve. The result will be a reduced pressure on the first machine member and/or a reduced coupling size.
In fig. 4, an embodiment of the sleeve 4 according to the invention is shown, wherein the sleeve 4 presents at least one slit 8 extending axially from one axial end of the sleeve 4. In the embodiment shown, there are four axially extending slits 8. The slits 8 facilitate mounting and dismounting of the sleeve onto the first machine member 1. Furthermore, the slits 8 make it possible to mount the sleeve with zero play between the sleeve 4 and the first machine member 1 in cold condition, i.e. there is no need to warm up the sleeve 4 to achieve zero play. When dismounting the sleeve, plugs 9 can be inserted into the slits 8 to radially expand the sleeve 4.
The invention is not limited to the embodiment illustrated in the accompanying drawings and described with reference thereto. Thus it has been shown how the high friction sleeve is positioned in a recess in the second or outer machine member, which recess does not extend along the entire length of the second machine member, thus that the high friction sleeve 4 will abut a shoulder in the recess 5, but the high friction sleeve can also extend along the entire length of the second - or first - machine member thus that there is no specific recess made in anyone of the two machine members.

Claims

1. A sleeve (4) for increasing a torque transferring ability between a first elongated machine member (1) and a second machine member (2) having an opening surrounding the first elongated machine member, and intended to be subjected to a pressure directed toward the first elongated machine member
(D, characterized therein, that the sleeve (4), at least at one of its inner and outer envelope surfaces, is provided with a friction increasing layer .
2. A sleeve (4) as claimed in claim 1, wherein the friction increasing layer or layers are based on carbides.
3. A sleeve (4) as claimed in claim 1 or 2, wherein the friction increasing layer or layers are provided as coating on the sleeve.
4. A sleeve (4) as claimed in claim 3, wherein the coating has a thickness of 0.02 to 0.04 mm.
5. A sleeve (4) as claimed in anyone of the preceding claims, wherein the friction increasing layer is a plasma sprayed layer.
6. A sleeve (4) as claimed in anyone of the preceding claims, wherein the inner and outer envelope surfaces of the sleeve
(4) are both provided with the friction increasing layer.
7. A sleeve (4) as claimed in anyone of the preceding claims, wherein the sleeve (4) is tapering.
8. A sleeve (4) as claimed in anyone of claims 1 to 6, wherein the sleeve (4) has at least one step-formed surface.
9. A sleeve (4) as claimed in anyone of claims 1 - 5, wherein the sleeve (4) is integrated with the first machine member (1) .
10. A sleeve (4) as claimed in anyone of claims 1 - 5, wherein the sleeve (4) is integrated with the surface of the opening in the second machine member (2) .
11. A sleeve (4) as claimed in anyone of claims 1-8, wherein the sleeve (4) presents at least one slit (8) extending axially from one axial end of the sleeve.
12. A high friction shaft coupling system for a first elongated machine member (1) and a second machine member (2) having an opening surrounding the first elongated machine member (1), and intended to be subjected to a pressure directed towards the first elongated machine member, incorporating a sleeve (4), such as claimed in anyone of claims 1 - 11.
13. A high friction shaft coupling system according to claim 12, wherein an oil injection coupling (3) is directing the pressure towards the first elongated machine member (1) .
14. A high friction shaft coupling system as claimed in claim 12, wherein the first elongated machine member (1) is a main shaft of a torque transmitting coupling, whereas the second machine member (2) is a gearbox shaft.
15. A high friction sleeve coupling as claimed in claim 12, wherein the main shaft is a rotor shaft of a wind power turbine .
PCT/SE2010/000049 2009-03-11 2010-03-08 A sleeve WO2010104442A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10751078A EP2406503A4 (en) 2009-03-11 2010-03-08 A sleeve

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0900313 2009-03-11
SE0900313-8 2009-03-11

Publications (1)

Publication Number Publication Date
WO2010104442A1 true WO2010104442A1 (en) 2010-09-16

Family

ID=42728557

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2010/000049 WO2010104442A1 (en) 2009-03-11 2010-03-08 A sleeve

Country Status (2)

Country Link
EP (1) EP2406503A4 (en)
WO (1) WO2010104442A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013020679A1 (en) * 2011-08-05 2013-02-14 Ip Plasma & Brands Gmbh Coating increasing the friction coefficient and production thereof by means of atmospheric pressure plasma coating
EP2441954B1 (en) 2010-10-18 2016-08-24 Gamesa Innovation & Technology, S.L. Joint between the gearbox input shaft and the rotor rotation shaft
CN108361289A (en) * 2018-01-26 2018-08-03 太原科技大学 A kind of quick detachable double cone wind-power locking disc

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4525916A (en) * 1982-09-08 1985-07-02 Escher Wyss Gmbh Method of coupling coaxial shafts
GB2225833A (en) * 1988-11-01 1990-06-13 Pilgrim Eng Dev Shaft couplings
EP0961038A1 (en) * 1998-05-28 1999-12-01 Elektroschmelzwerk Kempten GmbH Connecting element for frictional connection of parts
EP1215400A2 (en) * 2000-12-13 2002-06-19 Desch Antriebstechnik GmbH & Co. KG Parts to be joined in a non-positive manner, non-positive joining of such two parts and process for manufacturing such parts
DE10311917A1 (en) * 2003-03-17 2004-10-07 Centa-Antriebe Kirschey Gmbh Coupling for friction engagement rotational connection of machine parts has sliding sleeve with coating with increased adhesive friction between inner generated surface of sleeve and outer generated surface of second machine part

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH192197A (en) * 1935-07-01 1937-07-31 Julius Dipl Ing Jacobovics Means to increase the adhesion of touching surfaces of mutually permanently immovable machine and other construction parts.
EP1865215A1 (en) * 2006-06-08 2007-12-12 Gerwah GmbH Clamping device
GB2443977A (en) * 2007-12-18 2008-05-21 Skf Ab A Frictional Coupling

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4525916A (en) * 1982-09-08 1985-07-02 Escher Wyss Gmbh Method of coupling coaxial shafts
GB2225833A (en) * 1988-11-01 1990-06-13 Pilgrim Eng Dev Shaft couplings
EP0961038A1 (en) * 1998-05-28 1999-12-01 Elektroschmelzwerk Kempten GmbH Connecting element for frictional connection of parts
EP1215400A2 (en) * 2000-12-13 2002-06-19 Desch Antriebstechnik GmbH & Co. KG Parts to be joined in a non-positive manner, non-positive joining of such two parts and process for manufacturing such parts
DE10311917A1 (en) * 2003-03-17 2004-10-07 Centa-Antriebe Kirschey Gmbh Coupling for friction engagement rotational connection of machine parts has sliding sleeve with coating with increased adhesive friction between inner generated surface of sleeve and outer generated surface of second machine part

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2406503A4 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2441954B1 (en) 2010-10-18 2016-08-24 Gamesa Innovation & Technology, S.L. Joint between the gearbox input shaft and the rotor rotation shaft
WO2013020679A1 (en) * 2011-08-05 2013-02-14 Ip Plasma & Brands Gmbh Coating increasing the friction coefficient and production thereof by means of atmospheric pressure plasma coating
CN108361289A (en) * 2018-01-26 2018-08-03 太原科技大学 A kind of quick detachable double cone wind-power locking disc

Also Published As

Publication number Publication date
EP2406503A4 (en) 2012-11-07
EP2406503A1 (en) 2012-01-18

Similar Documents

Publication Publication Date Title
US7374402B2 (en) Fastening arrangement for an impeller on a shaft
JP6294340B2 (en) Turbocharger impeller screwed into a shaft with a configuration to accommodate thermal expansion
US8841814B2 (en) Electric motor having sleeve mounted to rotary shaft with high precision
DK3001062T3 (en) overload clutch
US9221298B2 (en) Hub clamp assembly
US20100239365A1 (en) Device for frictionally coupling two coaxial components
CN203023323U (en) Hub fastening device
WO2010104442A1 (en) A sleeve
US20150044047A1 (en) Turbocharger having a connector for connecting an impeller to a shaft
US20150117944A1 (en) Male or female element for a conic coupling
US10024466B2 (en) Metal pipe having a connector
WO2002053940A2 (en) Mounting system for speed reducers
CN102878112B (en) Include the rotor structure of internal hydraulic pressure tensioning apparatus
JP6367363B2 (en) Coupling device for connecting the clutch to the turbine train
CN105264249A (en) Clutch hub
CN206957967U (en) A kind of removable axle sleeve for motor connection impeller
US20130270052A1 (en) Controllable Composite Clutch Having Limited Torque While Being In Released State
JP6605834B2 (en) Method for creating a pinion for mounting on a turbine shaft of an internal combustion engine
CN204493478U (en) Expansion sleeve
CN210637396U (en) Motor-driven screw mechanism
KR20120003513U (en) Connecting apparatus of gear box and main axis in wind turbine
GB2443977A (en) A Frictional Coupling
WO1999027268A1 (en) Flexible coupling with couple limitation
JP6677451B2 (en) Method of making pinion mounted on turbine shaft of internal combustion engine
JPH04171201A (en) Coupling for large-capacity rotating electrical machine

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10751078

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2010751078

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE