WO2018059620A1 - Hülsenfreilauf mit drehmomentbegrenzung für zweiradstarteranwendungen - Google Patents
Hülsenfreilauf mit drehmomentbegrenzung für zweiradstarteranwendungen Download PDFInfo
- Publication number
- WO2018059620A1 WO2018059620A1 PCT/DE2017/100793 DE2017100793W WO2018059620A1 WO 2018059620 A1 WO2018059620 A1 WO 2018059620A1 DE 2017100793 W DE2017100793 W DE 2017100793W WO 2018059620 A1 WO2018059620 A1 WO 2018059620A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- clamping
- ring
- ring element
- ramp
- freewheel
- 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.)
- Ceased
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
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
- F16D41/064—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
- F16D41/066—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical
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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
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
- F16D41/064—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
- F16D41/066—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical
- F16D41/067—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical and the members being distributed by a separate cage encircling the axis of rotation
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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
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
-
- 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
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
- F16D41/064—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
-
- 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
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
- F16D41/064—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
- F16D41/066—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical
- F16D2041/0665—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical characterised by there being no cage other than the inner and outer race for distributing the intermediate members
Definitions
- the invention relates to a clamping freewheel, in particular a clamping roller freewheel, with a ring element, in particular an inner ring or an outer ring, with at least one clamping ramp for clamping a clamping element, and with a clamping element per clamping ramp, which rests against the at least one clamping ramp.
- a freewheel or a clamping freewheel is a directional clutch and usually has an inner, an outer ring and a cage with pinch rollers and springs.
- the clamping freewheel is capable of decoupling a part of a drive train from a rotational movement in the event of changing load conditions.
- Freewheels are commonly used as backstops or overrunning clutches.
- the clamping angle is chosen so that it is smaller than or equal to the Custangens the Gleitreibungsiere ⁇ of the two mutually rubbing materials. If the clamping angle is chosen to be greater than the arctangent of ⁇ , the freewheel slips and can not transmit any forces.
- a starter freewheel is used for example in internal combustion engines for motorcycles with electric starters.
- a starter pinion is driven by means of an electric motor, which is equipped with a freewheel.
- the starter pinion is regularly connected to the inner ring of the freewheel, whereas the outer ring is usually attached to the alternator.
- the freewheel transmits forces via the outer ring on the alternator until the internal combustion engine ignites. As soon as the engine ignites, the crankshaft, which with the Alternator is accelerated to a higher speed compared to starting the engine.
- the freewheel now decouples the running engine or its crankshaft from the electric starter so that the started engine does not damage or destroy the starter at too high a speed.
- a clamping freewheel in particular a clamping roller freewheel, comprises a ring element, in particular an inner ring or an outer ring, with at least one clamping ramp or a clamping profile for clamping a clamping element.
- the clamping freewheel further comprises a clamping element or a clamping roller per clamping ramp, which bears against the at least one clamping ramp.
- the at least one clamping ramp has at least one first and one second subregion, wherein preferably the second subregion is designed as a force transmission region such that a relative movement between clamping element and ring element can be prevented.
- the clamping freewheel can transmit a force or a torque from an inner ring to an outer ring or vice versa.
- the first subregion is designed as an overload region in such a way that a relative movement between clamping element and ring element is achieved. can be guaranteed. As a result, a force transmission from the first ring element to the at least one clamping element can be prevented.
- the clamping elements move from the force transmission region to the overload region during a rapid or sudden introduction of high torque into the clamping freewheel.
- This overload region preferably prevents the entire freewheel or clamping freewheel from being damaged. Because too high forces are introduced into a freewheel, the clamping elements are so jerky and quickly pressed into the clamping profile or against the clamping ramps that they are knocked out, which in turn can lead to a total failure of the freewheel.
- the first subregion follows the second subregion, so that preferably in the case of an overload the clamping element moves from the second subregion to the first subregion.
- the transmission of force between the first partial region, the at least one clamping ramp or between the annular element and the clamping element can be interrupted. With the help of this interruption, the freewheel can be protected from an overload that can destroy the freewheel.
- the at least one clamping ramp extends in the circumferential direction.
- the ring elements are generally rotationally symmetrical, they extend in a radial direction and in an axial direction, wherein the ring elements preferably in the direction of its circumference, the at least one clamping ramp and the associated clamping elements.
- the first portion allows a relative movement between the clamping element and ring element. In this way, no forces or moments are transferable that can damage the freewheel.
- the first portion allows a relative movement between the clamping element and ring element, preferably by at the contact point between clamping element and clamping ramp of the tangent of the angle formed between a force to be transmitted and a arranged on the contact point normal of the first subregion, greater than or equal to the coefficient of friction the materials of the friction pair ring element and clamping element is.
- the first portion of the clamping ramp the known relationship tana> implemented, whereby a clamping between the clamping ramp and ring element is released or whereby a clamping element slips on the clamping ramp. This in turn means that the freewheel limits the torque / force introduced on the ring element and thus realizes an overload protection.
- the second portion prevents a relative movement between the clamping element and the ring element.
- the second portion prevents a relative movement between the clamping element and ring element, preferably by at the contact point between clamping element and clamping ramp of the tangent of the angle formed between a force to be transmitted and arranged on the contact point normal of the second portion, smaller than the coefficient of friction of the materials of the friction pair ring element and clamping element.
- the second portion of the clamping ramp converts the known relationship tana ⁇ , whereby a clamping between clamping ramp and ring element is realized or whereby a clamping element is clamped to the clamping ramp.
- the freewheel transmits the torque / force introduced to the ring element.
- the angle for the first subarea is greater than 15 degrees, wherein preferably the angle in the second subarea is 3 to 4.5 degrees. Named angle ranges realize a slide with tana> or a clamp with tana ⁇ . In other words, with an angle greater than 15 degrees in a simple way a slippage between the clamping element and clamping ramp or ring element can be realized, whereas at an angle between 3 to 4.5 degrees clamping of clamping element and clamping ramp or ring element is guaranteed.
- the ring element is made of a metal sheet.
- a simple and inexpensive but also material-saving production is possible.
- the ring element is thin-walled. This can save material and thus costs. Furthermore, it is expedient for the ring element to be so thin-walled that the hollow-cylindrical ring element has a wall thickness outside a clamping ramp which is a fraction of the thickness of a clamping element, preferably less than 0.5 times the thickness of the clamping element, preferably less than 0 , 3 times the thickness of a clamping element. It is favorable if the wall thickness at the thickest or thinnest position of the first ring element in the circumferential direction comprises a fraction of the thickness of a clamping element. This relationship creates a particularly simple and material-saving production possibility.
- a second aspect of the present invention comprises a freewheel assembly with a clamping freewheel, a first ring element, in particular in the form of an inner ring or outer ring, with at least one clamping ramp for clamping a clamping element, and with a second ring element, in particular an outer ring or an inner ring.
- the first ring element comprises a clamping element per clamping ramp, which bears against the at least one clamping ramp.
- the at least one clamping ramp has at least a first and a second subregion.
- the first portion is designed as an overload region such that the clamping element moves relative to the at least one clamping ramp, whereby a force transmission from the first ring element via the clamping element to the second ring element can be prevented.
- a power transmission from the first ring element to the at least one clamping element or vice versa can be prevented.
- This Overload area preferably prevents the freewheel or clamping freewheel is damaged. Because too high forces are introduced into a freewheel, the clamping elements are so jerky and quickly pressed into the clamping profile or against the clamping ramps that they are knocked out, which in turn can lead to a total failure of the freewheel.
- the second subregion is designed as a force transmission region such that the at least one clamping ramp and the clamping element clamp.
- clamping ramp and clamping element meet the
- the first subregion is designed as an overload region in such a way that the at least one clamping ramp and the clamping element slip.
- clamping ramp and clamping element meet the sliding condition tana>, whereby a force transmission from the first ring element via the clamping element to the second ring element can be prevented.
- first ring element and the second ring element are arranged concentrically with one another.
- the clamping element bears against the at least one clamping ramp of the first ring element and against a surface of the second ring element.
- the clamping element connects the first and second ring element directly to each other, whereby forces from the first ring element to the second or vice versa are transferable.
- the at least one clamping ramp is spatially oriented in the first ring element such that along its course in the direction of rotation of the first ring element, in which a force from the first ring element to the second ring element is transferable, the distance between the at least one clamping ramp of the first ring element and the Surface of the second ring element, in particular continuously, increased.
- the distance is preferably a distance extending in extension through a center of rotation of the first and / or second ring element.
- the distance is understood to mean the shortest distance between the first and second ring element or between the clamping ramp and the ring element.
- the surface of the first portion of the at least one clamping ramp of the first ring element with an tangent at the contact point between the clamping element and the surface of the second ring element includes an angle greater than 30 degrees.
- the surface of the second portion of the at least one clamping ramp of the first ring element subtends an angle between 6 and 9 degrees with a tangent at the contact point between the clamping element and the surface of the second ring element.
- Named angle ranges realize a slide with tana> or a clamp with tana ⁇ . In other words, with an angle greater than 30 degrees in a simple manner slipping between clamping element and clamping ramp or between
- Clamping element and ring element can be realized, whereas at an angle between 3 to 4.5 degrees clamping of clamping element and clamping ramp or of clamping element and ring element is guaranteed.
- first ring element forms an outer ring and the second ring element forms an inner ring.
- first ring element forms an inner ring and the second ring element forms an outer ring.
- the torque capacity is a multiple of the nominal load.
- the reason for overdimensioning is a "worst case” scenario, which can arise due to “misfiring", in which a large torque or force is quickly introduced into the freewheel. In case of insufficient stability of the freewheel or the surrounding area, there will be an immediate total failure of the starter.
- Pinch roller freewheels are usually equipped with a clamp ramp / ramp
- the known formula tana ⁇ is preferably used.
- normal forces act on and widen the outer ring / housing of the freewheel.
- the pinch rollers conveniently move further along the ramp geometry or the clamping ramp.
- an inventive freewheel on a further significantly steeper ramp section in which there is a shift in the contact points between pinch rollers or clamping elements and outer ring or ring element when reaching a predetermined torque, whereby the clamping operation gets out of balance.
- the clamping elements slip in the further ramp section, whereby the torque / load to be transmitted is limited.
- the clamping ramps of a freewheel should be equipped at a specific position with a second, much steeper section. This should ideally lead to the clamping operation tana ⁇ is no longer satisfied and start the clamping rollers or clamping elements on the clamping ramps or on the ring element to slip.
- Figure 1 is a sectional view of a clamp freewheel according to the invention or on a freewheel assembly according to the invention.
- FIG. 2 shows an enlarged sectional view of a clamping element of the clamping freewheel according to the invention from FIG. 1 in a first state
- FIG. FIG. 3 shows an enlarged sectional view of a clamping element of the clamping freewheel according to the invention from FIG. 1 in a second state
- FIG. 2 shows an enlarged sectional view of a clamping element of the clamping freewheel according to the invention from FIG. 1 in a first state
- FIG. 3 shows an enlarged sectional view of a clamping element of the clamping freewheel according to the invention from FIG. 1 in a second state
- FIG. 4 shows a further enlarged sectional view of a clamping element of the clamping freewheel according to the invention from FIG. 1 in the first state;
- Fig. 5 is an enlarged sectional view of the inventive clamping freewheel of Fig. 1 without a clamping element.
- FIG. 1 shows a sectional view of a clamping freewheel 1 according to the invention or of a freewheel assembly 10 according to the invention.
- the freewheel assembly 10 has a clamping freewheel 1 with a first ring element 2, which comprises a plurality of clamping ramps 3 and a plurality of clamping elements 4, each clamping ramp 3 each serving to clamp a clamping element 4.
- the first ring element 2 is formed as an outer ring.
- the first ring element 2 is pressed into an outer ring element 22 for the positive and non-positive connection. In this way, the first ring element 2 can be made thin-walled and used in various configurations within an outer ring element 22.
- the configuration of the first ring element 2 from a metal sheet is suitable.
- the ring member 2 is formed so thin-walled, that the hollow cylindrical ring member 2 has a wall thickness H outside the clamping ramp 3 and at the thickest position of the first ring member 2 in the circumferential direction U, which comprises a fraction of the thickness of a clamping element 4.
- the wall thickness H is less than 0.3 times the thickness of a clamping element 4.
- the freewheel assembly 10 includes a second ring member 1 1, which is formed in the present embodiment as an inner ring.
- the first ring element 2 or the outer ring has - as already indicated - a clamping element 4 per clamping ramp 3, wherein the clamping element 4 rests against the respective clamping ramp 3 or contacts the clamping element 4, the clamping ramp.
- each illustrated clamping element 4 abuts on the associated clamping ramp 3 of the first ring element 2 and on a surface O of the second ring element 1 1.
- a force from the first ring member 2 can be transmitted to the second ring member 1 1 via the clamping element 4 or vice versa.
- each clamping ramp 3 has at least a first 5 and a second partial region 6.
- the first ring element which rotates in the direction of rotation D, transmits a force to the second ring element 1 1 via the clamping elements 4.
- the clamping elements 4 travel along the ramp geometry of the clamping ramps 3, which are formed tapering.
- the clamping elements clamp between the clamping ramps 3 or the first ring element 2 and the second ring element 11.
- the clamping elements 4 move from the second portion 6 of the clamping ramp 3 to the first portion 5.
- This second portion prevents the entire clamping freewheel 1 or the entire terminal assembly 10 from being damaged. Because too high forces are introduced into a freewheel, the clamping elements 4 are so jerky and quickly pressed into the clamping profile or against the clamping ramps 3 that they are damaged, which in turn can lead to a total failure of the freewheel.
- the first portion 5 is designed as an overload region such that each clamping element 4 moves relative to the respective clamping ramp 3, whereby a power transmission from the first ring member 2 via the clamping member 4 to the second ring member 1 1 can be prevented.
- the first portion 5 is designed as an overload region such that a clamping element 4 slips on the respective clamping ramp 3. Illustrated better fulfill the first portion 5 of each clamping ramp 3 and an associated clamping element 4, the slip condition tana> p, whereby a power transmission from the first ring member 2 via the clamping member 4 to the second ring member 1 1 is prevented or prevented.
- the second portion 6 is designed as a power transmission area such that a clamping element 4 clamp together with the respective clamping ramp 3.
- each clamping ramp 3 and an associated clamping element 4 meet the clamping condition tana ⁇ p, whereby a power transmission from the first ring element 2 via the clamping element 4 to the second ring element 1 1 is guaranteed or can take place.
- FIG. 1 shows that the first ring element 2 and the second ring element 1 1 are arranged concentrically to one another or concentric to the center / rotation center M of the freewheel assembly 10.
- the outer ring element 22 together with the first ring element 2 serves as the drive and the second ring element 11 as the output.
- FIG. 1 the drive direction or the direction of rotation D for transmitting forces from the first ring element two or outer ring element 22 to the second ring element 1 1 is shown in FIG.
- the illustrated embodiment of a freewheel assembly 10 is shown in Figure 1 only capable of forces from the drive or from the first ring member 2 to the output or to the second ring member 1 1 to transmit when the first ring member 2 in comparison to the second ring member 1 has higher or equal speed.
- both ring elements 2, 1 1 rotate in the direction of rotation D.
- a spring element 20 per clamping element 4 are shown in addition to the illustrated clamping elements 4.
- the spring elements 20 are compression springs which press the associated clamping element 4 counter to the direction of rotation D.
- a clamping element 4 While on one side of a spring element 20, a clamping element 4 is present, the spring element 20 is supported on the other side on a web 21 from. This web 21 is connected to the first ring element 2.
- Each of the clamping ramps 3 is spatially oriented in the first ring element 2 such that it increases the distance X between the clamping ramp 3 of the first ring element 2 and the surface O of the second ring element 1 1 along its course in the direction of rotation D of the first ring element 2. In this case, the magnification is even continuous, at least in the second partial area 6 of the clamping ramp 3.
- FIG. 2 shows an enlarged sectional view of a clamping element 4 of the clamping freewheel 1 according to the invention from FIG. 1 in a first state.
- the clamping freewheel 1 and the illustrated clamping roller freewheel 1 the ring element 2 in the form of an outer ring, with various clamping ramps 3 each for clamping the clamping elements 4.
- clamping freewheel 1 comprises - as already stated - a clamping element 4 per clamping ramp 3, which rests against the respective clamping ramp 3.
- Each clamping ramp 3 has at least a first 5 and a second portion 6 and extends in the circumferential direction U.
- the second portion 6 is designed as a power transmission area such that a relative movement between the clamping element 4 and ring element 2 can be prevented.
- the first portion 5, however, is designed as an overload region such that a relative movement between the clamping element 4 and ring element 2 can be ensured, whereby a force transmission from the first ring element 2 on the at least one clamping element 4 can be prevented.
- the first portion 5 follows the second portion 6.
- the clamping member 4 moves from the second portion 6 toward the first portion 5 to interrupt the power transmission between the first portion 5, each clamping ramp 3 and the respective associated clamping element 4.
- the clamping elements 4 are within the second portion 6 of the clamping ramps. 3 In this state, the second portion 6 prevents relative movement between each clamping element 4 and ring element 2.
- the angle ⁇ is in the second portion 6 between 3 and 4.5 degrees.
- the normal N2 is perpendicular to the plane of the second portion 6 of the clamping ramp. 3
- the first portion 5 allows a relative movement between the clamping elements 4 and the ring element 2. This is done by the contact point A between each clamping element 4 and each clamping ramp 3 of the tangent of the angle A, between a force to be transmitted F and a arranged on the contact point A normal N1 of the first portion 5 is formed, greater than or equal to the friction coefficient ⁇ of the materials of the friction pair ring element 2 and clamping element 4 is.
- the angle ⁇ for the first portion 5 is greater than 15 degrees.
- the normal N1 is perpendicular to the plane of the first portion 5 of the clamping ramp. 3
- the first subregion 5 is designed as an overload region in such a way that each clamping ramp 3 and each associated clamping element 4 slip or slide against one another or do not jam. In this way, the slip condition tana> is fulfilled. As a result, a force transmission from the first ring element 2 via the clamping element 4 to the second ring element 1 1 can be prevented in the logical consequence.
- the spring elements 20 press each clamping element 4 counter to the direction of rotation D. In FIG. 2, each spring element 20 rests on the clamping element 4 or on each clamping element 4, whereas in FIG. 3 clamping element 4 and spring element 20 have no contact with one another.
- Figure 4 is substantially identical to Figure 2, but provided with further reference numerals. Further, Figure 4 shows the freewheel assembly 10 and the clamping freewheel 1 at a standstill or in a state in which no forces are transmitted.
- the surface of the first portion 5 of each clamping ramp 3 of the first ring element 2 encloses an angle a1 with a tangent at the contact point B between clamping element 4 and the surface O of the second ring element 1 1.
- the angle a1 is greater than 30 degrees.
- the surface of the second portion 6 of each clamping ramp 3 of the first ring element 2 forms an angle a 2 with a tangent at the contact point B between the clamping element 4 and the surface O of the second ring element 1 1. This angle is formed between 6 and 9 degrees.
- FIG. 5 shows an enlarged sectional view of the clamping freewheel 1 according to the invention from FIG. 1 without clamping elements 4.
- the angles a1 and a2 are again drawn in, as described above with reference to FIG.
- each clamping ramp 3 is spatially oriented in the first ring element 2 in such a way that along its course in the direction of rotation D of the first ring element 2, in which a force from the first ring element 2 to the second ring element 1 1, the distance X between each clamping ramp 3 of the first ring element 2 and the surface O of the second ring element 1 1 increases.
- the distance X2 is greater compared to the distance X1, as shown in Figure 5.
- the distances X1 and X2 are distances extending in extension through the center of rotation M of the ring elements 2, 11.
- the shortest distance between the first 2 and two th ring element 1 1 or between clamping ramp 3 and surface O of the ring member 1 1 reproduced.
- the distance between the first ring element 2 and the surface O of the second ring element 11 increases continuously in the direction of rotation D and within the area of a clamping ramp 3.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
- Rolling Contact Bearings (AREA)
- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201780058845.8A CN109790886A (zh) | 2016-09-29 | 2017-09-18 | 用于两轮车的起动机的带有扭矩限制功能的套筒式自由轮 |
| BR112019002786-6A BR112019002786A2 (pt) | 2016-09-29 | 2017-09-18 | roda livre tipo manga com limitador de torque para aplicações de ignição de veículos de duas rodas |
| US16/330,796 US20190211891A1 (en) | 2016-09-29 | 2017-09-18 | Sleeve-type freewheel with torque limitation for two-wheeled vehicle starter applications |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016218929.8 | 2016-09-29 | ||
| DE102016218929.8A DE102016218929B4 (de) | 2016-09-29 | 2016-09-29 | Klemmfreilauf und Freilaufanordnung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2018059620A1 true WO2018059620A1 (de) | 2018-04-05 |
Family
ID=60009393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2017/100793 Ceased WO2018059620A1 (de) | 2016-09-29 | 2017-09-18 | Hülsenfreilauf mit drehmomentbegrenzung für zweiradstarteranwendungen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20190211891A1 (de) |
| CN (1) | CN109790886A (de) |
| BR (1) | BR112019002786A2 (de) |
| DE (1) | DE102016218929B4 (de) |
| WO (1) | WO2018059620A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015209309B4 (de) | 2015-05-21 | 2023-03-16 | Schaeffler Technologies AG & Co. KG | Freilauf |
| JP6583075B2 (ja) * | 2016-03-17 | 2019-10-02 | 株式会社デンソー | クラッチ、モータ及びパワーウインド装置 |
| CN108691985A (zh) * | 2018-08-06 | 2018-10-23 | 江苏南方轴承股份有限公司 | 一种汽车发电机单向皮带轮 |
| CN110714995B (zh) * | 2019-10-28 | 2021-01-19 | 无锡嘉能电机技术有限公司 | 改善超越离合器性能的制造方法 |
| CN112797090A (zh) * | 2019-11-13 | 2021-05-14 | 舍弗勒技术股份两合公司 | 电动助力车的单向离合器和电动助力车 |
| DE102023204492B3 (de) | 2023-05-15 | 2024-05-29 | Zf Friedrichshafen Ag | Freilaufanordnung und Getriebe mit solch einer Freilaufanordnung |
| TWI911622B (zh) * | 2024-01-02 | 2026-01-11 | 姚立和 | 單向軸承結構 |
| JP7591173B1 (ja) * | 2024-01-12 | 2024-11-27 | Nskワーナー株式会社 | 動力伝達装置 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19514506A1 (de) * | 1995-04-19 | 1996-10-24 | Schaeffler Waelzlager Kg | Klemmrollenfreilauf |
| DE19937437A1 (de) * | 1999-08-07 | 2001-02-08 | Schaeffler Waelzlager Ohg | Klemmrollenfreilauf |
| DE102009039240A1 (de) * | 2009-08-28 | 2011-03-03 | Schaeffler Technologies Gmbh & Co. Kg | Rollenfreilauf |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2065244A (en) * | 1933-03-11 | 1936-12-22 | Carroll H Richards | Clutch |
| US3404760A (en) * | 1965-10-24 | 1968-10-08 | Torrington Co | Sheet metal roller cage for clutch |
| US6474457B2 (en) * | 2000-10-19 | 2002-11-05 | Aichi Kikai Kogyo Kabushiki Kaisha | Bi-directional clutch |
| JP4273800B2 (ja) | 2002-04-01 | 2009-06-03 | 株式会社デンソー | トルクリミッターを備えている圧縮機 |
| US6846257B2 (en) * | 2002-12-11 | 2005-01-25 | Ntn Corporation | Series drive clutch |
| JP2005315332A (ja) * | 2004-04-28 | 2005-11-10 | Ntn Corp | 回転伝達装置 |
| DE102009037255A1 (de) | 2009-08-12 | 2011-02-17 | Schaeffler Technologies Gmbh & Co. Kg | Rollenfreilauf |
| JP6232692B2 (ja) * | 2012-09-24 | 2017-11-22 | 株式会社ジェイテクト | トルクリミッタ、風車及び風力発電装置 |
| DE102013222783A1 (de) * | 2012-11-12 | 2014-05-15 | Robert Bosch Engineering and Business Solutions Ltd. | Drehmomentbegrenzungskupplung |
| JP6155713B2 (ja) * | 2013-03-12 | 2017-07-05 | 株式会社ジェイテクト | 風力発電装置用の一方向クラッチ及び風力発電装置 |
| DE102013020327B4 (de) * | 2013-12-05 | 2022-05-25 | Borgwarner Inc. | Starterfreilauf und Freilaufanordnung mit einem solchen Starterfreilauf |
-
2016
- 2016-09-29 DE DE102016218929.8A patent/DE102016218929B4/de active Active
-
2017
- 2017-09-18 US US16/330,796 patent/US20190211891A1/en not_active Abandoned
- 2017-09-18 CN CN201780058845.8A patent/CN109790886A/zh active Pending
- 2017-09-18 WO PCT/DE2017/100793 patent/WO2018059620A1/de not_active Ceased
- 2017-09-18 BR BR112019002786-6A patent/BR112019002786A2/pt not_active Application Discontinuation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19514506A1 (de) * | 1995-04-19 | 1996-10-24 | Schaeffler Waelzlager Kg | Klemmrollenfreilauf |
| DE19937437A1 (de) * | 1999-08-07 | 2001-02-08 | Schaeffler Waelzlager Ohg | Klemmrollenfreilauf |
| DE102009039240A1 (de) * | 2009-08-28 | 2011-03-03 | Schaeffler Technologies Gmbh & Co. Kg | Rollenfreilauf |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109790886A (zh) | 2019-05-21 |
| US20190211891A1 (en) | 2019-07-11 |
| BR112019002786A2 (pt) | 2019-05-14 |
| DE102016218929A1 (de) | 2018-03-29 |
| DE102016218929B4 (de) | 2026-03-12 |
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