WO2006095690A1 - ベルト伝動装置 - Google Patents
ベルト伝動装置 Download PDFInfo
- Publication number
- WO2006095690A1 WO2006095690A1 PCT/JP2006/304283 JP2006304283W WO2006095690A1 WO 2006095690 A1 WO2006095690 A1 WO 2006095690A1 JP 2006304283 W JP2006304283 W JP 2006304283W WO 2006095690 A1 WO2006095690 A1 WO 2006095690A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- belt
- pulley
- groove
- pulleys
- groove surface
- 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
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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
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/36—Pulleys
- F16H55/49—Features essential to V-belts pulleys
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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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G5/00—V-belts, i.e. belts of tapered cross-section
- F16G5/16—V-belts, i.e. belts of tapered cross-section consisting of several parts
- F16G5/166—V-belts, i.e. belts of tapered cross-section consisting of several parts with non-metallic rings
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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
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/52—Pulleys or friction discs of adjustable construction
- F16H55/56—Pulleys or friction discs of adjustable construction of which the bearing parts are relatively axially adjustable
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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
- F16H—GEARING
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
- F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
- F16H9/16—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts
- F16H9/18—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts only one flange of each pulley being adjustable
Definitions
- the present invention relates to a belt transmission device including a transmission V-belt, and particularly to a technical field for reducing noise generated by the belt running.
- the V belt block force comes into contact with the surface of the pulley, and a collision noise is generated.
- a catching force noise is generated.
- the surface roughness of the groove surface of the V pulley is a predetermined arithmetic average roughness Ra.
- the surface roughness is adjusted, and those in which a shell-shaped member is provided on the groove surface as disclosed in Patent Document 2.
- Patent Document 1 the surface roughness of the groove surface of the V pulley is set to a predetermined arithmetic average roughness Ra, and the energy generated by the interference at the time of contact between the V belt and the V pulley is reduced.
- Ra a predetermined arithmetic average roughness
- Patent Document 2 a thin plate-like shell-shaped member force having a substantially triangular cross section is arranged so as to cover the entire groove surface of the V-pulley.
- the shell-shaped member and the V-pulley Disclosed is a material that absorbs the energy generated when the V-belt and V-pulley are in contact with each other by the buffer material disposed between the groove surface of the belt and reduces the noise during belt running. Yes.
- Patent Document 1 JP 2002-70992 A
- Patent Document 2 JP-A-10-122318
- Patent Document 2 when a shell-shaped member is disposed on the groove surface of the V pulley, the shell-shaped member may be damaged by frictional contact with the belt. I also like the durability of Puri's durability.
- the present invention has been made in view of such various points, and an object of the present invention is to ensure the durability of the V pulley in a belt transmission that is powered by a V pulley and a V belt. However, it is to effectively reduce the noise generated by the belt running.
- the surface roughness on the groove surface of the V pulley is evaluated by the load length ratio tp considering not only the height of the peak portion but also the width. Then, the surface roughness of the groove surface is adjusted so that the load length ratio tp and the height y indicating the height from the valley bottom in the roughness curve satisfy a predetermined relational expression.
- a V-pulley having a transmission V-belt in which a number of blocks are engaged and fixed in a pair of tension bands and a groove for winding the V-belt is formed. And a belt transmission device that transmits and receives power by contact between the side surface of the V-belt and the groove surface of the V-pulley.
- the groove surface of the V pulley is formed so that the relational expression is satisfied.
- the surface shape of the groove surface of the V pulley is determined based on the indicator of the load length ratio tp CFIS B0601), so only the height direction of the peak portion like the arithmetic average roughness Ra
- the width direction of the ridge is also considered as the surface condition of the belt groove surface.
- the side surface of the V belt is pressed against the groove surface of the V pulley, and the crest portion of the groove surface is microscopically crushed and deformed. It is considered that the microscopic contact area between the V belt and the groove surface of the V pulley in contact with the pulley corresponds to the width of the crest portion of the groove surface.
- the above equation shows the relationship between the height y indicating the height of the valley force in the roughness curve of the groove surface of the V pulley and the load length ratio tp at that position.
- the peak portion has a relatively steep shape, and the microscopic contact area between the V-belt and V-pulley is related to the load condition of the V-belt. This is smaller than when the relationship is not satisfied.
- the groove surface of the V pulley is blasted with a cannon having a diameter of approximately 3 ⁇ m to 40 ⁇ m (the invention of claim 2).
- the groove surface has a tip of approximately 1.5mn! 3. It may be brushed by a tool formed to have a radius of curvature of Omm (invention of claim 3).
- the groove surface of the V pulley has a surface roughness that satisfies the relationship of the above equation, and the effect of claim 1 can be obtained.
- the load length ratio tp is used as an index representing the surface roughness of the groove surface of the V pulley, and the groove surface is adjusted so that this satisfies a predetermined relationship.
- the groove surface of the V pulley is subjected to blast treatment or By applying burnishing, the configuration of claim 1 can be realized and the noise during belt running can be reduced.
- FIG. 1 is a (a) top view (b) front view showing a high speed state of a belt transmission device according to an embodiment of the present invention.
- FIG. 2 is a view corresponding to FIG. 1, showing an intermediate state of the belt transmission.
- Fig. 3 is a view corresponding to Fig. 1 showing a low-speed state of the belt transmission.
- FIG. 4 is a perspective view of a high load transmission V-belt.
- FIG. 5 is an explanatory diagram showing an example of a roughness curve.
- FIG. 6 is a graph showing the relationship between load length ratio and altitude when surface treatment is performed by various methods.
- FIG. 7 is a schematic top view of the noise test apparatus, (a) a top view and (b) a front view.
- FIG. 8 is a diagram showing the noise measurement results (OVERALL value) when surface treatment is performed by various methods.
- FIG. 9 is a diagram showing noise measurement results (only frequency components corresponding to the pitch of the block of the V belt) when surface treatment is performed by various methods.
- Fig. 10 shows a schematic configuration of the durability test apparatus, (a) a top view with the upper plate of the case removed, and (b) a front view with a part of the side plate of the case removed. .
- FIG. 11 is a diagram showing test conditions for the durability test.
- V-belt for high load transmission V-belt for transmission
- 1 to 3 show a belt transmission device according to an embodiment of the present invention, wherein 1 is a drive rotary shaft, 3 is a driven rotary shaft, and both rotary shafts 1 and 3 are arranged in parallel to each other.
- a drive pulley 2 composed of a transmission pulley is disposed on the drive rotation shaft 1.
- the drive pulley 2 is a flange-shaped fixed sheave 2a fixed on the drive rotary shaft 1 so as to rotate integrally and non-slidably, and slides on the drive rotary shaft 1 so as to face the fixed sheave 2a. It consists of a flange-like movable sheave 2b that is supported in a rotatable and integral manner, and a belt groove 6 (groove portion) is formed between the sheaves 2a and 2b.
- the driven rotating shaft 3 is provided with a driven pulley 4 (V pulley) comprising a transmission pulley having the same diameter as the drive pulley 2.
- the driven pulley 4 has the same configuration as the drive pulley 2, and includes a flange-shaped fixed sheave 4a that is fixed to the driven rotating shaft 3 so as to be rotatable integrally and non-slidable, and the driven rotating shaft 3 Further, a flange-like movable sheave 4b that is slidably supported so as to be opposed to the stationary sheave 4a in a direction opposite to the opposing direction of the movable sheave 2b of the driving pulley 2 with respect to the fixed sheave 2a of the driving pulley 2a.
- a belt groove 6 (groove) is formed between the sheaves 4a and 4b.
- V belt 5 is stretched between the belt grooves 6 and 6 of the drive pulley 2 and the driven pulley 4. As shown in FIG. 4, this V-belt 5 has a pair of left and right endless tension bands 8, 8 and a number of blocks 7, which are continuously engaged and fixed in the belt longitudinal direction by these tension bands 8, 8. 7, ... will help.
- Each of the tension bands 8 has a shape-retaining rubber layer 13 having a hard rubber force and a high-strength and high-modulus core wire (core body) such as aramid fiber (braid) arranged in a spiral shape.
- the upper surface of each tension band 8 has groove-shaped upper recesses 9, 9,... Extending in the belt width direction (for example, approximately 3. Om m pitch) on the upper surface, and the upper surface on the lower surface. .. Corresponding to the recesses 9, 9,... Are formed at lower pitches 10, 10,.
- the upper and lower surfaces of the tension band 8 prevent the occurrence of cracks or wear resistance. Canvas 11 and 11 are physically bonded for the purpose of improving performance.
- the hard rubber forming the shape retaining rubber layer 13 is, for example, a hydrogenated NBR rubber reinforced with zinc methacrylate, and mixed with organic short fibers 12, 12, ... for the purpose of reinforcement. By being strengthened, the heat resistance is excellent and the permanent deformation is difficult.
- the hardness of the hard rubber must be 75 ° or more when measured with a JIS-C hardness meter.
- each block 7 has notched groove-like fitting portions 7a and 7a on which the respective tension bands 8 are detachably fitted from the width direction on the left and right side portions in the belt width direction.
- the left and right side surfaces excluding the fitting portions 7a constitute contact portions 7b and 7b that contact the belt grooves 6 and 6 of the driving and driven pulleys 2 and 4, and the left and right contact portions 7b and 7b of the block 7
- the angle formed by the belt is the same as the angle of the belt groove 6 of each pulley 2 and 4.
- the blocks 7, 7,... are fixed to the tension bands 8, 8 continuously in the longitudinal direction of the belt by press-fitting the tension bands 8, 8 to 7a.
- each fitting portion 7a in each block 7 the upper convex portion 7c serving as the convex joint force as the upper mating portion mating with each upper concave portion 9 on the upper surface of the tension band 8 is also fitted.
- the lower convex portions 7d which also serve as ridges as the lower mating portions mating with the lower concave portions 10 on the lower surface of the tension band 8, so as to be parallel to each other,
- the upper and lower projections 7c and 7d of each block 7 are fitted into the upper and lower recesses 9 and 10 of the tension band 8, respectively, so that the blocks 7, 7,.
- both the outer side surface of each tension band 8 and the contact portion 7b that is the side surface of each block 7 are in contact with the belt groove 6 of the pulleys 2 and 4, and the block 7 Power is exchanged by combining the upper and lower projections 7c, 7d with the upper and lower depressions 9, 10 of each tension band 8. .
- Each block 7 is made of a hard resin material such as phenol resin, and a light aluminum alloy equivalent reinforcing member (not shown) is placed inside the block 7 so as to be positioned at substantially the center of the block 7. Buried.
- This reinforcing member is embedded in the hard resin at least at the upper and lower convex portions 7c, 7d (the mating portion with the tension band 8) and the contact portions 7b, 7b on the left and right side surfaces but does not appear on the surface of the block 7 (that is, ,
- These parts are made of hard grease), in other parts Is exposed on the surface of the block 7, okay.
- the belt transmission device is configured to change the belt winding diameter of each pulley 2, 4 by moving the movable sheaves 2b, 4b of both pulleys 2, 4 to and away from the fixed sheaves 2a, 4a, respectively. It is configured. Specifically, in the case of the high speed state shown in FIG. 1, the movable sheave 2b of the drive pulley 2 is moved closer to the fixed sheave 2a and the movable sheave 4b of the driven pulley 4 is separated from the fixed sheave 4a. By making the belt winding diameter of the pulley 2 larger than that of the driven pulley 4, the rotation of the drive rotating shaft 1 is accelerated and transmitted to the driven rotating shaft 3, while conversely, in the low speed state shown in FIG.
- the surface roughness of the groove surface of the belt groove 6 of each of the transmission pulleys 2, 4 that the side surface of the belt 5 contacts is uniform
- the load length ratio tp (%) indicating the ratio of the peak portion at a predetermined position in the height direction
- the maximum Height y indicating the ratio of the height a from the valley bottom line V (the line passing through the valley bottom where the valley depth is the maximum and parallel to the average line m described later) to the predetermined position as a percentage Is set so that the following relationship (1) holds.
- the predetermined position means an arbitrary position in the height direction on the roughness curve.
- the load length ratio tp (jIS B0601) is specifically obtained as follows.
- the roughness curve of this extracted portion is represented by a cutting level c (an arbitrary position in the height direction) parallel to the peak line p (a line passing through the peak having the maximum peak height and parallel to the average line m).
- the sum of the cutting lengths obtained at each cutting level c (load length) as shown in the following equation (2).
- The By expressing the ratio of ⁇ p) to the reference length L as a percentage, the load length ratio tp at each cutting level c is calculated.
- the surface roughness force of the groove surface of the belt groove 6 of each of the transmission pulleys 2 and 4, the surface of each of the transmission pulleys 2 and 4 is MC, milling machine or the like so as to satisfy the relationship of the above-mentioned formula (1)
- the groove surface of the belt groove 6 is subjected to microblasting (blasting) or burnishing.
- the microblast treatment is a method in which fine barrels of # 400 to # 3000 (diameter 3 ⁇ m to 40 ⁇ m) are collided with the compressed air at a high speed on the groove surfaces of the transmission pulleys 2 and 4;
- the surface layer of the groove surface can be removed and processed to a predetermined surface roughness.
- the brush treatment has a tip of 1.5mn! ⁇ 3.
- a tool formed to have a radius of curvature of Omm is pressed against the groove surface and rubbed under pressure to smooth the surface.
- the surface roughness can be reduced to a predetermined level without removing the surface layer. can do.
- the surface treatment applied to the groove surface is preferably a microblast treatment.
- FIG. 6 shows the surface state when the above-described microblast treatment or burnishing treatment is applied to the groove surface of the belt groove 6.
- the horizontal axis represents the load length ratio tp and the vertical axis represents the altitude y.
- the load length ratio tp at a position where the altitude y is large is relatively large.
- the shape of the peak portion in the surface shape is related to the above-mentioned formula (1). While being formed so as to satisfy the conditions (shaded area in Fig. 6), conventional surface treatment (mesh treatment such as electroless nickel plating performed for anticorrosion and corrosion after grinding with MC or milling machine) is applied. If this is the case, the relationship of the above equation (1) cannot be satisfied. [0038] In this way, by adjusting the shape of the fine crests on the surface of the belt groove 6 so as to satisfy the above equation (1), the belt grooves 6, 6 of the V belt 5 and the pulleys 2, 4 The microscopic contact area with can be controlled.
- the V belt 5 comes into contact with the groove surfaces of the belt grooves 6 and 6 of the pulleys 2 and 4, microscopically, the vicinity of the peak of the minute crest portion of the groove surface of the belt grooves 6 and 6 is V.
- the belt 5 is crushed and slightly deformed according to the load of the belt 5, but the microscopic contact area between the V-belt 5 and the belt groove 6 can be adjusted by adjusting the shape of the peak (especially the width of the peak). Can be controlled.
- the surface roughness on the groove surfaces of the belt grooves 6 and 6 of the pulleys 2 and 4 Is set so as to satisfy the relationship of the above formula (1), the microscopic contact area between the block 7 of the belt 5 and the groove surfaces of the belt grooves 6 and 6 of the pulleys 2 and 4 is reduced.
- the frictional resistance can be reduced by reducing the friction resistance, and the belt running noise can be reduced by reducing the energy generated when the belt 5 and pulleys 2 and 4 interfere with each other. .
- any position in the height direction on the roughness curve of the belt groove surface of the pulleys 2 and 4 is defined as a predetermined position, and the above formula (1) is applied to all the height direction positions.
- the force that satisfies the relationship When the minute crest portion of the belt groove surface is crushed and deformed by the load acting on the belt 5, the above-mentioned relationship (1) is satisfied and microscopically observed. Therefore, the relationship of the above formula (1) should be satisfied within a predetermined range corresponding to the fluctuation range of the load acting on the belt 5 including the position in the height direction. May be.
- the predetermined position in this case means an arbitrary position within the predetermined range.
- the belt transmission device includes a fixed sheave and a movable sheave.
- the present invention can also be applied to a belt transmission device having a pulley composed of a constant speed pulley composed of only a pair of fixed sheaves and having a constant belt winding diameter. Needless to say.
- FIG. 7 schematically shows the noise test equipment used in this example.
- This noise test device shown in FIG. 7 includes a drive pulley 16 having a pitch diameter (belt winding diameter) provided on the drive rotary shaft 16a and a driven pulley having a pitch diameter of 61.5 mm provided on the driven rotary shaft 15a.
- the pulleys 15 are arranged with a predetermined distance between the axes.
- the high load transmission V-belt 17 (see Fig.
- the V belt 17 had a belt length of 612 mm, a belt angle of 26 degrees, a belt pitch width of 25 mm, a block pitch of 3 mm, and a block thickness of 2.95 mm.
- the central force of the drive rotary shaft 16a is also 80 mm on the left side (the driven rotary shaft 15a side), and the center of the drive rotary shaft 16a and the center of the driven rotary shaft 15a are A microphone 18 was installed as a temperature measuring means at a position where the line connecting the wires was 125 mm upward and 57 mm away from the back (upper side in Fig. 7 (a)).
- each of the groove surfaces of the pulleys 15 and 16 is subjected to a conventional surface treatment (a treatment of electroless nickel plating or the like performed for anticorrosion and corrosion after grinding with an MC or a milling machine), Prepare a microblasted and burnished one, set the set load SW1 of the driven pulley 15 to 4 conditions of 980N, 1960N, 2940N, and 3920N, and set the rotational speed of the driving pulley 16 to 100 to 3000 rpm.
- the noise level (unit: dBA) generated during operation of the belt transmission device with the microphone 18 was measured. The measurement results are shown in Fig. 8 and Fig. 9, respectively.
- the load length ratio tp of each groove surface when the conventional surface treatment, microblast treatment and burnishing treatment are applied to the groove surfaces of the pulleys 15 and 16, respectively, is as shown in FIG.
- Arithmetic mean roughness Ra is 0.396 ⁇ m, 0.475 m, 0.4 06 / zm.
- the surface shape of tp and the like was measured using a contact surface roughness measuring machine (model CS-411) manufactured by Shimadzu Corporation.
- FIG. 8 shows the noise level (OVERALL value) when the set load SW1 of the driven pulley 15 is changed in the case where the belt groove surface of the driving pulley 16 is subjected to various treatments. Considering this result, it can be seen that the noise generated by microblasting and burnishing is less than the conventional surface treatment method, which is related to the magnitude of the set load SW1, that is, the magnitude of the load of the V-belt 17. It was.
- FIG. 9 shows the noise level of the frequency component corresponding to the block pitch (3 mm) of the V-belt 17. From FIG. 9, it can be seen that the above-described microblast treatment and burnishing treatment can reduce noise more than the conventional surface treatment method. Generally, the noise generated when the V-belt 17 travels is a force in which the sound generated by the blocks constituting the V-belt 17 is dominant. FIG. 9 shows that the block sound can be greatly reduced.
- FIG. 10 schematically shows the durability test apparatus used in this example.
- the durability test apparatus shown in FIG. 10 includes a drive pulley 20 having a pitch diameter of 126.4 mm provided on the drive rotary shaft 20a and a driven pulley 21 having a pitch diameter of 70.8 mm provided on the driven rotary shaft 21a. It is placed with a predetermined distance between the axes, and the outside is covered with a heat-resistant case 23.
- the case 23 is formed with an air outlet 23a for sending hot air into the case 23 and an air outlet 23b for discharging it out of the case 23, so that the belt transmission device in a high temperature state is formed. You will be able to test durability.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pulleys (AREA)
- Transmissions By Endless Flexible Members (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/817,315 US7780556B2 (en) | 2005-03-07 | 2006-03-06 | Belt drive system |
| DE112006000503.0T DE112006000503B4 (de) | 2005-03-07 | 2006-03-06 | Riemenantriebssystem |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005062637A JP4851105B2 (ja) | 2005-03-07 | 2005-03-07 | ベルト伝動装置 |
| JP2005-062637 | 2005-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006095690A1 true WO2006095690A1 (ja) | 2006-09-14 |
Family
ID=36953284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2006/304283 Ceased WO2006095690A1 (ja) | 2005-03-07 | 2006-03-06 | ベルト伝動装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7780556B2 (ja) |
| JP (1) | JP4851105B2 (ja) |
| DE (1) | DE112006000503B4 (ja) |
| WO (1) | WO2006095690A1 (ja) |
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|---|---|---|---|---|
| JP2009161335A (ja) * | 2008-01-09 | 2009-07-23 | Hitachi Ltd | エレベーター用シーブ |
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| JP4882709B2 (ja) * | 2006-12-04 | 2012-02-22 | 住友金属工業株式会社 | 高力ボルト摩擦接合構造 |
| US9562593B2 (en) * | 2011-06-13 | 2017-02-07 | Ntn Corporation | Chain guide and chain drive apparatus |
| JP5706261B2 (ja) * | 2011-07-25 | 2015-04-22 | Ntn株式会社 | カム軸駆動用のチェーン伝動装置 |
| WO2013136956A1 (ja) * | 2012-03-12 | 2013-09-19 | Ntn株式会社 | チェーンガイドおよびチェーン伝動装置 |
| CN104321559B (zh) * | 2012-05-24 | 2017-08-25 | Ntn株式会社 | 链条引导件以及链条传动装置 |
| JP5819869B2 (ja) * | 2013-02-21 | 2015-11-24 | 京セラドキュメントソリューションズ株式会社 | ベルト駆動機構、ベルト駆動装置、及びプーリー |
| CN105793592B (zh) * | 2013-08-19 | 2018-09-04 | 利滕斯汽车合伙公司 | 分离器的具有选定的表面精整结构的离合器接合表面 |
| JP6205291B2 (ja) * | 2014-02-17 | 2017-09-27 | Ntn株式会社 | カム軸駆動用チェーン伝動装置 |
| US11041558B2 (en) * | 2014-03-14 | 2021-06-22 | ZPE Licensing Inc. | Super charger components |
| US10851884B2 (en) | 2014-03-14 | 2020-12-01 | ZPE Licensing Inc. | Super charger components |
| US10655723B2 (en) * | 2014-03-14 | 2020-05-19 | ZPE Licensing Inc. | Super charger components |
| US9382995B2 (en) * | 2014-12-01 | 2016-07-05 | Extreme Industrial Coatings, LLC | Pulley for use with a non-synchronous drive belt |
| US10794663B2 (en) | 2017-05-11 | 2020-10-06 | ZPE Licensing Inc. | Laser induced friction surface on firearm |
| US10876615B2 (en) * | 2017-08-09 | 2020-12-29 | Honda Motor Co., Ltd. | Pulley for continuously variable transmission and method of producing pulley for continuously variable transmission |
| US12123422B2 (en) * | 2021-07-06 | 2024-10-22 | Larry P. LaPointe | Fan device for engine loading |
| US12209619B2 (en) | 2022-04-20 | 2025-01-28 | ZPE Licensing Inc. | Electromagnetic clutch |
| US12384009B2 (en) | 2022-11-15 | 2025-08-12 | ZPE Licensing Inc. | Socket with laser induced friction surfaces |
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- 2006-03-06 WO PCT/JP2006/304283 patent/WO2006095690A1/ja not_active Ceased
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Also Published As
| Publication number | Publication date |
|---|---|
| JP4851105B2 (ja) | 2012-01-11 |
| DE112006000503T5 (de) | 2008-01-31 |
| US7780556B2 (en) | 2010-08-24 |
| JP2006242361A (ja) | 2006-09-14 |
| US20090036240A1 (en) | 2009-02-05 |
| DE112006000503B4 (de) | 2016-06-16 |
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