CN105934608B - The sensor mount construction of speed changer - Google Patents
The sensor mount construction of speed changer Download PDFInfo
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- CN105934608B CN105934608B CN201580005788.8A CN201580005788A CN105934608B CN 105934608 B CN105934608 B CN 105934608B CN 201580005788 A CN201580005788 A CN 201580005788A CN 105934608 B CN105934608 B CN 105934608B
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- China
- Prior art keywords
- protrusion
- sensor
- speed changer
- transmission case
- mounting hole
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/02—Arrangements of lubricant conduits
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/443—Devices characterised by the use of electric or magnetic means for measuring angular speed mounted in bearings
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/03—Gearboxes; Mounting gearing therein characterised by means for reinforcing gearboxes, e.g. ribs
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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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Details Of Gearings (AREA)
- Control Of Transmission Device (AREA)
Abstract
A kind of sensor mount construction of speed changer, it is the sensor mount construction of the speed changer of the rotation sensor (53) of the rotation for the rotary part that detection speed changer (M) is equipped in sensor mounting hole (54), the sensor mounting hole (54) is arranged on the axial adjacent one end of the wall around the variable-speed shaft (13) of transmission case (11), and expansion set has outward in the transmission case (11):Cross protrusion (55), from its direction from the axis along the sensor mounting hole (54), part near the sensor mounting hole (54) is extended towards with the substantially parallel direction of the variable-speed shaft (13);Protrusion of transferring (56) extends from the end for crossing protrusion (55) towards the direction of variable-speed shaft (13);It is described cross protrusion (55) and it is described turnover protrusion (56) be formed with form to the speed changer (M) supply lubricating oil oily feed path horizontal perforation (42) and transfer hole (57).
Description
Technical field
The present invention relates to a kind of sensor mount constructions of speed changer.
The application based on March 28th, 2014 Japanese publication (Japan) Patent 2014-068392 CLAIM OF PRIORITYs,
And its content is quoted in this application.
Background technology
It is provided with to detect the rotating parts such as change gear in the presence of in the speed changer for the driving rotation speed change for making engine
The situation of the rotation sensor of the rotation of part (referring for example to patent document 1).
In such speed changer, it is provided in perforation on the wall of transmission case for storing variable-speed shaft and change gear etc.
The sensor mounting hole of wall is stated, rotation sensor is externally mounted in the sensor mounting hole.Rotation sensor makes front end side
Test section close to the detection object gear in transmission case the flank of tooth, and on the base end part exposed to the outside of transmission case
It is connected with signal output line.
Existing technical literature
Patent document
Patent document 1:Japanese Laid-Open 2010-127265 bulletins
Invention content
The technical problems to be solved by the invention
However, the sensor mounting hole formed in transmission case needs internal diameter above to a certain degree, start small-sized
In speed changer used in machine etc., the internal diameter of sensor mounting hole is big relative to the appearance and size and thickness of transmission case.Also,
When the internal diameter of sensor mounting hole is relative to the appearance and size of transmission case and big thickness, from ensuring rigid angle,
Need to configure the axial middle section in transmission case.
However, according to the type of speed changer, exist due to the relationship of the position of change gear as detection object etc.
Have to for rotation sensor to be arranged on the situation near the axial end portion of transmission case.Therefore, it is set by rotation sensor
In the case of near the axial end portion of transmission case, can maintain the rigidity of transmission case higher becomes important.
Therefore, embodiments of the present invention provide a kind of sensor mount construction of speed changer, even if that will rotate
Sensor be arranged on transmission case axial end portion nearby in the case of, also can efficiency improve the firm of transmission case well
Property.
For solving the technical solution of technical problem
(1) the sensor mount construction of the speed changer of embodiments of the present invention is the transmission case in storage variable-speed shaft
Wall on be provided with the sensor mounting hole for penetrating through the wall, and detection speed changer is installed in the sensor mounting hole
Rotary part rotation rotation sensor, the sensor mounting hole be arranged on the transmission case the variable-speed shaft week
The axial adjacent one end of the wall enclosed in the transmission case is provided with and crosses protrusion and turnover protrusion, institute with expanding outward
It states and crosses protrusion from the direction of the axis along the sensor mounting hole, by part near the sensor mounting hole
Extend towards with the substantially parallel direction of the variable-speed shaft, the turnover protrusion is from the end for crossing protrusion towards speed change axis direction
Extension, it is described to cross protrusion and the turnover protrusion is formed with the oily feed path formed to speed changer supply lubricating oil
Horizontal perforation and turnover hole.
Protrusion and turnover protrusion are crossed in position by hollow structure near the sensor mounting hole in transmission case as a result,
Strengthen, and be provided on protrusion and turnover protrusion is crossed as the horizontal perforation of oily feed path and turnover hole.Therefore, it is possible to
Peripheral wall using from the oily feed path to speed changer supply lubricating oil strengthens position near sensor mounting hole, so with rotation
Turn sensor and be arranged on unrelated near the axial end portion of gearbox, the rigidity of gearbox can be maintained higher.
(2) the sensor mount construction of the speed changer as described in above-mentioned (1), the horizontal perforation for crossing protrusion
The thickness of the wall in outside can be thicker than the thickness of the wall in other regions around the sensor mounting hole of the transmission case.
In this case, it is set to cover near sensor mounting hole prominent with crossing for the substantially parallel extension of variable-speed shaft
The thickness of the wall on the outside of horizontal perforation risen is thicker than the thickness in other regions, so the increasing that will not lead to gearbox entirety can be realized
Thick and enlargement, can efficiency improve the rigidity of part near sensor mounting hole well.
(3) the sensor mount construction of the speed changer as described in above-mentioned (1) or (2), from along the transmission case
The direction side observation of the variable-speed shaft, the turnover protrusion are formed as Chong Die with rotation sensor at least part.
In this case, at least part of side of rotation sensor is covered by turnover protrusion, and turnover can be utilized prominent
Play the rigidity that efficiency improves sensor mounting hole axial direction side well.
(4) the sensor mount construction of the speed changer as described in any one of above-mentioned (1) to (3), the transmission case
Form the case with the integrated power unit of crankcase of engine, in a state that the power unit is equipped on vehicle, institute
It states and crosses protrusion and be configurable near the vehicle front side of the rotation sensor.
In this case, in a state that power unit is equipped on vehicle, because crossing protrusion configuration in rotation sensor
Front side near, so rotation can be protected from the flying to disperse from front using crossing protrusion when driving in vehicle
Turn sensor.
(5) the sensor mount construction of the speed changer as described in above-mentioned (4), the output extraction unit setting of the speed changer
The axial end portion of the side of the rotation sensor is configured in the transmission case, in the described axial of the transmission case
It is provided projectingly on end by the eaves portion of the outer side covering of the output extraction unit, the shape of vehicle is equipped in the power unit
Under state, the eaves portion is formed as surrounding the lower rear of the rotation sensor.
In this case, in a state that power unit is equipped on vehicle, the lower rear of rotation sensor is become by covering
The eaves portion in the outside of the output extraction unit of fast device is surrounded, so the car body lower side of eaves portion protection rotation sensor can be utilized.
(6) the sensor mount construction of the speed changer as described in above-mentioned (5), from the change along the transmission case
The direction side observation of fast axis, the eaves portion and the turnover protrusion are formed in a manner of forming V-arrangement, from along the speed changer
The direction side observation of the variable-speed shaft of case, the rotation sensor can be configured to by the eaves portion and the turnover protrusion
The V-arrangement formed is clamped.
In this case, the side of the test section of the front end side of rotation sensor is covered by the portion of reporting to the leadship after accomplishing a task of eaves portion and protrusion of transferring
Lid, so can be from the external test section for more firmly protecting rotation sensor.
(7) the sensor mount construction of the speed changer as described in any one of above-mentioned (4) to (6), in the speed changer
The formation of case, which has, to be provided on the position of the sensor mounting hole towards the inwardly projecting portion of protrusion on the inside of the transmission case, institute
Stating the end of sensor mounting hole can be open and to be formed at the top in the inwardly projecting portion.
In this case, in the inwardly projecting portion on transmission case is arranged on, sensor mounting hole is with the end of inside
The mode of opening is formed at the top in the inwardly projecting portion, so using inwardly projecting portion's efficiency sensing can be improved well
The axial supporting rigidity of rigidity and rotation sensor around device mounting hole.
(8) the sensor mount construction of the speed changer as described in any one of above-mentioned (4) to (7), in the song of engine
Top position between axis and the variable-speed shaft be configured with for keep the bent axle spin balancing balance shaft, it is described to cross
Protrusion and horizontal perforation are configurable between the balance shaft and the rotation sensor.
In this case, the dead zone between balance shaft and rotation sensor can be efficiently used, protrusion is will travel across and oil leads to
Road is compactly configured together.
The effect of invention
According to the embodiment of the present invention, near the sensor mounting hole of the wall of transmission case position by hollow structure
Cross protrusion and turnover protrusion strengthen, and cross protrusion and transfer protrusion in be provided with as oily channel horizontal perforation and turn
Roll over hole.Therefore, be arranged on construction near transmission case axial end portion despite rotation sensor, but also can efficiency well
Improve the rigidity of transmission case.
Description of the drawings
Fig. 1 is the left side view of the autobicycle for employing power unit of an embodiment of the invention.
Fig. 2 is the right side view of the power unit of an embodiment of the invention.
Fig. 3 is the left side view of the power unit of an embodiment of the invention.
Fig. 4 is the vertical view of the power unit of an embodiment of the invention.
Fig. 5 is an embodiment of the invention with the power unit section view being generally corresponding to the V-V sections of Fig. 2
Figure.
Fig. 6 is an embodiment of the invention with the power unit section view being generally corresponding to the VI-VI sections of Fig. 2
Figure.
Fig. 7 is the bottom view corresponding with the VII arrow observation visual angles of Fig. 2 of the cylinder body of an embodiment of the invention.
Fig. 8 is that the power unit of an embodiment of the invention is carried out section on the VIII-VIII parts of Fig. 7
Partial cross section stereogram.
Fig. 9 is the stereogram of half babinet of right side of the crankcase of an embodiment of the invention.
Figure 10 is the stereogram of half babinet of left side of the crankcase of an embodiment of the invention.
Figure 11 is by the vertical view centered on the surface of the main shaft of the power unit of an embodiment of the invention.
Figure 12 is by the rotation sensor removal of the power unit of an embodiment of the invention and in the XII- of Figure 11
The partial cross section stereogram in section is carried out on XII parts.
Figure 13 is the stereogram that the rotation sensor by power unit of an embodiment of the invention removes.
Figure 14 is the section view corresponding with the XIV-XIV sections of Figure 11 of the power unit of an embodiment of the invention
Figure.
Figure 15 is the sectional view corresponding with the XV-XV sections of Figure 11 of the power unit of an embodiment of the invention.
Specific embodiment
Hereinafter, with reference to attached drawing, embodiments of the present invention will be described.It should be noted that for following explanation
Figure appropriate location on, be labeled with and represent the arrow FR of vehicle front, the arrow LH for representing vehicle left, represent vehicle up direction
Arrow UP.
Fig. 1 is a left side for the autobicycle 1 equipped with the power unit PU for employing engine E for representing present embodiment
The figure of side.
In Fig. 1, Wf, Wr be supported on the front-wheel on vehicle body frame (not shown) via front fork 2, via swing arm 3 and
The trailing wheel being supported on vehicle body frame.In addition, H is disposed on the bogie car handle of 2 top of front fork, S is the seat that occupant takes a seat,
T is disposed on the fuel tank in front of seat S.Power unit PU is mounted on the lower position of the fuel tank T in vehicle body frame center.
The driving of engine E is rotated speed change by power unit PU using speed changer M, and output it via transmission mechanism and
It is transferred to trailing wheel Wr.It should be noted that directions are all around waited in the explanation of following power unit PU, unless otherwise saying
It is bright, with it is mounted on a vehicle when direction it is identical.
Fig. 2, Fig. 3 are the figures of the right side and left side that represent power unit PU.In addition, Fig. 4 is to represent power unit PU
Upper surface figure, Fig. 5, Fig. 6 are the sectional views being generally corresponding to the V-V sections of Fig. 2 and VI-VI sections of power unit PU.
The engine E of power unit PU has:Crankcase 11 that bent axle 10 is rotatably freely supported, before crankcase 11
The cylinder portion 12 that upper lateral part obliquely protrudes.Crankcase 11 doubles as the transmission case of speed changer M, and bent axle 10 is configured in toe lateral
While, parallelly it is configured with the main shaft 13 (variable-speed shaft) of speed changer M and countershaft 14 in rear side and the bent axle 10 of the bent axle 10.
Main shaft 13 and countershaft 14 are rotatably freely supported by crankcase 11.As shown in figure 5, countershaft 14 is outside by the left side wall of crankcase 11
Side penetrates through, and the sprocket wheel 15 of power extraction is equipped on the end of the perforation.Sprocket wheel 15 is wound with chain 9, and power passes through this
Chain 9 and be transferred to trailing wheel.
In this embodiment, countershaft 14 and sprocket wheel 15 form the power extraction portion of power unit PU.
Cylinder portion 12 has:Cylinder body 17 has the cylinder bore 17a for movably storing piston 16;Cylinder head 18, installation
On the top of cylinder body 17, combustion chamber 7 is formed between the top surface of cylinder head 18 and piston 16;Cylinder cap 19 is mounted on cylinder head 18
Top.As shown in fig. 6, cylinder head 18 is overlapped with the top of cylinder body 17 and cylinder body 17 is together in the upper surface of crankcase 11 by more
(4) stud 20 (connecting component) fastens jointly.
As shown in figure 5, piston 16 is connect via connecting rod 23 with 10 linkage of bent axle, will make along in combustion chamber 7
Work((Bao development) the moving back and forth of piston 16 transmitted as rotary force to bent axle 10.It should be noted that the reference numeral in Fig. 5
8 represent to face the ignition spark plug of the setting of combustion chamber 7.
Air inlet and exhaust outlet (not shown) are formed on cylinder head 18, and is equipped with the air inlet and exhaust outlet
The inlet valve and exhaust valve (not shown) of opening and closing.As shown in Figure 2 and Figure 3, air inlet is connected with the gas handling system for forming engine E
Air inlet pipe 6.Exhaust outlet is connected with the exhaust pipe (not shown) for the exhaust system for forming engine E.In addition, as shown in fig. 6,
The valve actuating mechanism 21 of opening and closing inlet valve and exhaust valve is provided between cylinder head 18 and cylinder cap 19.Reference numeral 22 in Fig. 6
Represent the camshaft for being acted the valve actuation cam of valve actuating mechanism 21.Camshaft 22 is via timing chain 5
It is connect with 10 linkage of bent axle.
It should be noted that the engine E of present embodiment is water cooling type single Cylinder engine, there are one cylinders for the setting of cylinder body 17
Thorax 17a is formed with water jacket 50 on the periphery of cylinder bore 17a.Reference numeral 51 in Fig. 2, Fig. 4, Fig. 5 is water pump, will be not
The cooling water supply cooled down in the cooler of diagram is to water jacket 50.
As shown in Figure 5, Figure 6, crankcase 11 is by controlling divisional plane 11La, 11Ra for directly being handed over bent axle 10 as boundary
A pair half babinet 11L, 11R of segmentation are formed.Half babinet 11L, 11R of left and right is on the plane by the cylinder central shaft C1 of cylinder body 17
Divided by left and right, half babinet 11L, 11R of segmentation is not shown each other multiple to be bolted fixation.Half babinet 11R's of right side
Right side is equipped with bent axle cover 30, and the bent axle cover 30 forms confined space at it between half babinet 11R.
As shown in figure 5, the right-hand end of bent axle 10 penetrates through the side wall of half babinet 11R of right side, on the end of the perforation
Main drive gear 24 for power to be transmitted to the main shaft 13 of speed changer M is installed.In addition, the end in 10 left side of bent axle will be left
The side wall perforation of half babinet 11L of side is equipped with the rotor 25a of generator 25 on the end of the perforation.The end of rotor 25a
It is covered with peripheral part by the cover body 25c of generator 25 for keeping stator 25b.
In addition, the end on 13 right side of main shaft of speed changer M penetrates through the side wall of half babinet 11R of right side.Half on the right side of perforation
Primary driven gear 26, clutch 27, the primary driven gear 26 and bent axle are supported on the end of the main shaft 13 of babinet 11R
The main drive gear 24 of 10 sides engages, and the clutch 27 is by from external operation and into the cut-out and transmission of action edge.
Primary driven gear 26 is rotatably freely supported on main shaft 13, and clutch 27 is mounted on primary driven gear 26 and main shaft 13
Between power transfer path on.Therefore, clutch 27 can suitably switch primary driven tooth according to from external operation
The transmission and cut-out of power between wheel 26 and main shaft 13.
It is provided on the main shaft 13 of speed changer M and countershaft 14 by the primary cog set m1 that multiple change gears are formed and secondary tooth
Wheel group m2.In speed changer M, the operation of the not shown switching mechanism of change gear of primary cog set m1 and pinion group m2 comes
Selection, whereby setting include the arbitrary gear (gear) of neutral gear.Therefore, speed changer M is being provided with gear like this
In the state of, when the rotary power of bent axle 10 is passed to main shaft 13 via clutch 27, by the rotary power according to setting
It is exported than speed change from countershaft 14 to outside.
It should be noted that the reference numeral 28 in Fig. 5 is the pedal spindle for rotating bent axle 10 in foot pedal starting.
As shown in Figure 2 to 4, the top position between the bent axle 10 in crankcase 11 and main shaft 13 is configured with and bent axle
10 balance shafts 29 extended in parallel.Balance shaft 29 is rotatably freely supported by crankcase 11.Balance shaft 29 is through not shown tooth
Wheel and 10 synchronous rotary of bent axle, the rotation for thus offsetting bent axle 10 change to maintain spin balancing.
In addition, as shown in fig. 6, the food tray 31 for storing lubricating oil is provided in the bottom of crankcase 11.On right side half
The top position of the food tray 31 of babinet 11R is provided with oil pump 32 (oily supply source), and the oil pump 32 is upward by the oil in food tray 31
It draws and pumps the position that needs of the oil into power unit PU lubricate.The oil pump 32 of present embodiment from bent axle 10 by
Rotary power is operated.
The oily feed path 33 in power unit PU being connect with oil pump 32 is divided into crankshaft system oil channel 33C, valve
Drive system oil channel 33B, crankshaft system oil channel 33C pass through inside bent axle 10 from the discharge unit of oil pump 32 to crank-pin and axis
The position that needs around the bent axles such as neck 10 lubricate supplies oil supply, and the valve-driving system oil channel 33B is from crankcase 11
Top supplies lubricating oil by the pars intramuralis in cylinder portion 12 to the position that the needs of valve actuating mechanism 21 lubricate.Moreover, in valve
The midway of drive system oil channel 33B is connected with to supply lubricating oil to the main shaft 13 of speed changer M and 14 isometric surrounding of countershaft
Bifurcated oil channel 34.
Fig. 7 is the bottom view of cylinder body 17 corresponding with the VII arrow observation visual angles of Fig. 2, and Fig. 8 is by the VIII-VIII of Fig. 7
Section is as the crankcase 11 in section and the stereogram of cylinder body 17.In addition, Fig. 9 is substantially positive with divisional plane 11Ra courts
The stereogram of the half babinet 11R of right side of mode crankcase 11 from the side of rear side oblique upper, Figure 10 are towards big with divisional plane 11La
Cause the stereogram of the half babinet 11L of left side of positive mode crankcase 11 from preceding skew back upper side.
As shown in fig. 6, a part of the valve-driving system oil channel 33B of oily feed path 33 is on the top of crankcase 11
It is formed between end face 11Ru, 11Lu (composition surface) and the lower surface 17d (composition surface) of cylinder body 17.As shown in fig. 7, about the bent axle
Oily channel between the composition surface of case 11 and cylinder body 17, the inflow part 35a of oil being connect with oil pump 32 are arranged on the forepart of cylinder body 17
Near the corner on right side, the outflow portion 36a of oil being connect with 21 side of valve actuating mechanism is arranged on the rear left of cylinder body 17
Corner on.As shown in fig. 7, about the inflow part 35a of the oily channel between the composition surface and outflow portion 36a, in by cylinder
It is configured in the range of overlapping in the diagonal L 1 of mandrel C1.
Oily channel between above-mentioned crankcase 11 and the composition surface of cylinder body 17 has:First oily channel 35, on right side (one
Side) it is formed between the end face 11Ru of half babinet 11R and the lower surface 17d of cylinder body 17;Second oily channel 36, it is (another in left side
One side's) it is formed between the end face 11Lu of half babinet 11L and the lower surface 17d of cylinder body 17.
In the present embodiment, the first oily channel 35 surrounded by the flat end 11Ru and slot 35c of half babinet 11R of right side and
It is formed, the slot 35c is formed on the lower surface 17d of cylinder body 17 approximately along the outer peripheral edge portion of cylinder bore 17a.Moreover, in the first oil
One end of the extending direction of channel 35 is provided with the inflow part 35a being connect with 32 side of oil pump.
Second oily channel 36 is surrounded by the flat end 11Lu and slot 36c of half babinet 11L of left side and is formed, the slot 36c
Outer peripheral edge portion approximately along cylinder bore 17a on the lower surface 17d of cylinder body 17 is formed.The one of the extending direction of the second oily channel 36
End is provided with the outflow portion 36a being connect with 21 side of valve actuating mechanism.
It should be noted that in figure 6, pair cross-section is adjusted, so that the first oily oily channel 36 of channel 35 and second
It embodies on the diagram.
In rear right to rear portion of the first oily channel 35 from the inflow part 35a on the right side of the forepart of cylinder body 17 via cylinder body 17
Position is extended with arcuation near centre.As shown in Fig. 6, Fig. 9, have in the other end conducting of the first oily channel 35 on right side half
The one end in the first detour hole 37 formed on babinet 11R.
In addition, posterior central of the second oily channel 36 from the outflow portion 36a of the rear left of cylinder body 17 to cylinder body 17 is attached
Near-end position is extended with arcuation, and position is terminated near the posterior central.As shown in Fig. 6, Fig. 8, the second oily channel 36 it is another
One end conducting has the one end in the second detour hole 38 formed on half babinet 11L of left side.
About the first detour hole 37, one end is by the hole for the generally L-shaped being open towards the end face 11Ru on the upside of half babinet 11R of right side
It forms.The other end 37a in the first detour hole 37 from upside end face 11Ru towards leaving in the divisional plane 11Ra of half babinet 11R of right side
Position opening.
About the second detour hole 38, one end is by the generally L-shapeds being open of the end face 11Lu towards the upside of half babinet 11L of left side
Hole is formed.The other end 38a in the second detour hole 38 is towards the end face 11Lu from upside in the divisional plane 11La of half babinet 11L of left side
It positions away from being open.Moreover, the other end in the first detour hole 37 and the other end in the second detour hole 38 pass through half babinet of left and right
The combination of 11L, 11R, end abut each other and are connected with each other.
Therefore, the first oily channel 35 is mutually interconnected with the second oily channel 36 via the first detour hole 37 with the second detour hole 38
It connects.The oil for flowing into inflow part 35a from oil pump 32 as a result, passes sequentially through the first oily channel 35, the first detour hole 37, the second detour hole
38th, the second oily channel 36, outflow portion 36a are supplied to the valve actuating mechanism 21 in cylinder portion 12.
In addition, about the second detour hole 38, the vertical hole portion that the end face 11Lu on the upside of half babinet 11L extends downward is crossed
The cross-drilled hole portion being connect with 37 side of the first detour hole, then extends specific length again.
Bifurcated oil channel 34, the bifurcated oil channel are connected on the side left from the bottom 40a of the extension 40
34 are used to supply main shaft 13 from oil supply to speed changer M and 14 isometric surrounding of countershaft.
In addition, it as shown in fig. 7, is formed on four corners of the peripheral part of encirclement cylinder bore 17a on cylinder body 17 aforementioned
The inserting hole 39 inserted of stud 20.Four inserting holes 39 are configured in the same pitch circle centered on cylinder central shaft C1
On P.Moreover, each part of the outflow portion 36a of the oily channels 36 of inflow part 35a and second of the aforementioned first oily channel 35 is than upper
It states and is disposed in proximity on the position of inserting hole 39 in the more outward regions of pitch circle P.In addition, about inflow part 35a and outflow portion
36a, as described above, in the range that configuration is overlapped on the diagonal L 1 by cylinder central shaft C1, so the first 35 He of oily channel
Second oily channel 36 is across the position of divisional plane 11La, 11Ra of crankcase 11 and around cylinder bore 17a across almost half circumference
Length is formed.
Have from a part for the bifurcated oil channel 34 of 38 bifurcated of the second detour hole:The discharge orifice 41 that is connect with extension 40 and
The channel slot 49 formed along the divisional plane 11La of half babinet 11L of left side.The company that channel slot 49 passes through half babinet 11L, 11R of left and right
Knot is fixed and is docked with the flat divisional plane 11Ra of half babinet 11R of right side, thus forms one of the channel towards speed changer M directions
Part.
Discharge orifice 41 the divisional plane 11La sides of half babinet 11L of left side from the bottom of channel slot 49 by trepanning process etc. with prolonging
The side connection in long portion 40.
As shown in Figure 10, in the region in 29 outside of balance shaft of the half babinet 11L peripheral walls on the left of the encirclement of channel slot 49, backwards
Extended below portion with arc-shaped.Moreover, the end of the lower rear side of channel slot 49 leads to left access opening 42 (horizontal perforation) and the right side
Road hole 43 (with reference to Figure 11) connection, the left access opening 42 and right access opening 43 are in half babinet 11R of half babinet 11L of left side and right side
On formed to left and right direction with the shape of straight line.Left access opening 42 is formed to be needed to lubricate to 13 surrounding of main shaft of speed changer M
Position for a part for the channel of oil supply, right access opening 43 forms the position that lubricates of 14 surrounding of countershaft needs to speed changer M
For a part for the channel of oil supply.
In addition, as shown in Figure 10, receipts are formed in the region of the divisional plane 11La of the peripheral wall in face of half babinet 11L of left side
Collect slot 44, the collecting tank 44 is after the bending of the lateral area of the second detour hole 38 and channel slot 49 extends to left access opening 42
Square side.The elongated end that bending extends to the collecting tank 44 of the rear side of left access opening 42 is open to the inner space of crankcase 11.
Collecting tank 44 functions as follows:The oil flowed in 49 and second detour hole 38 of channel slot along divisional plane 11La, 11Ra to
When the outside in 49 and second detour hole 38 of channel slot leaks out, collect the oil and the oil being collected into is restored in crankcase 11.
Figure 11 is the vertical view centered on the surface of the main shaft 13 of the speed changer M of power unit PU, and Figure 12 is from a left side
Forequarter upper side observes the stereogram for the power unit PU that the part corresponding with XII-XII sections of Figure 11 is carried out to section.
In addition, Figure 13 is the stereogram of the power unit PU from left back upper side, Figure 14, Figure 15 are the XIV-XIV with Figure 11
The corresponding sectional view in section and XV-XV sections.
As shown in figure 11, the position abutted with the rear portion of left access opening 42 in the upper wall 11Le of half babinet 11L of left side
On, the rotation sensor 53 of the rotation of rotary part on the main shaft 13 for detecting speed changer M is installed.The rotation sensor
The rotation of the detection object gear near axial left end on 53 detection main shafts 13.As shown in Figure 12~Figure 14, in half chests
The sensor mounting hole 54 of perforation upper wall 11Le is formed on upper wall 11Le near body 11L left ends.Rotation sensor 53
In the sensor mounting hole 54, the test section 53a of front end side is interior close to the detection object on main shaft 13 in crankcase 11
The flank of tooth of gear.As shown in figure 14, in the present embodiment, the axis C2 of sensor mounting hole 54 is towards slightly below forwards
It rolls oblique.Therefore, the test section 53a of rotation sensor 53 is directed toward 13 direction of main shaft under slightly towards the inclined state in front.
From the direction along the axis C2 of sensor mounting hole 54, on the upper wall 11Le of half babinet 11L of left side outward
Side expansion is formed with and crosses protrusion 55, it is described cross protrusion 55 by near the front side of sensor mounting hole 54 parallel with main shaft 13
Direction on it is crosscutting.It is upward and left relative to the upper wall 11Le near the left end of half babinet 11L that this crosses protrusion 55
Side expands.Moreover, side expansion to the left is formed with turnover protrusion 56 on the end wall on the left of half babinet 11L, the turnover is prominent
56 are played to extend about from the axial left part of the outboard end towards the main shaft 13 that cross protrusion 55.
Above-mentioned left access opening 42 (horizontal perforation) that the part for forming oily feed path 33 is formed in protrusion 55 is being crossed,
Upper end and the turnover hole 57 of left access opening 42 conducting are formed in turnover protrusion 56.The lower end in turnover hole 57 and main shaft 13
Axial left part conducting, the oil that will be imported via left access opening 42 and turnover hole 57, master is supplied to by the channel in main shaft 13
The position that 13 surrounding of axis needs lubricate.
As shown in Figure 14, Figure 15, protrusion 55 and its internal left access opening 42 are crossed in balance shaft 29 and rotation sensor
Extend to left and right direction between 53.In addition, about turnover protrusion 56 and its internal turnover hole 57, than sensor mounting hole 54
More by the position of left end side, being tilted rearward from upper end towards lower end.Moreover, from the direction side along main shaft 13
Observation, protrusion 56 of transferring and the test section 53a of the front end side of rotation sensor 53 partly overlap.Therefore, turnover protrusion 56 is on a left side
On the left part of half babinet 11L of side, a part for the side in 53 left side of covering rotation sensor.
In addition, as shown in Figure 12, Figure 14, the thickness T1 for crossing the wall of 42 upside of left access opening of protrusion 55 is thicker than left side half
The wall in other regions around the sensor mounting hole 54 of babinet 11L.
In addition, the side wall of end from the half babinet 11L of left side in 14 left side of countershaft of speed changer M are prominent to side, protrude
Part covered by cover body wall 58.Cover body wall 58 has the eaves portion 58a of arc-shaped protruded from the left end side of half babinet 11L.It should
The neighboring area of the protruding portion of eaves portion 58a covering countershafts 14 and the substantially first half of sprocket wheel 15 (with reference to Fig. 5), by these from outer
It is protected in portion.In addition, it is formed in a manner of the lower rear side of test section 53a of the eaves portion 58a to surround rotation sensor 53.
In addition, as shown in figure 15, a part of eaves portion 58a is from the upper side of countershaft 14 by the test section of rotation sensor 53
The left side side of 53a is towards front side is crosscutting obliquely downward and extends.
Therefore, from the direction side along main shaft 13, both eaves portion 58a and turnover protrusion 56 are in a manner of forming V-arrangement
It is formed.Moreover, from the direction side along main shaft 13, rotation sensor 53 is configured to by eaves portion 58a and turnover protrusion 56
The V-arrangement formed is clamped.
In addition, as shown in figure 14, in left side, the formation of the upper wall 11Le of half babinet 11L has the position of sensor mounting hole 54
On, it is formed with towards the inwardly projecting portion 59 of inside (towards lower section) protrusion of crankcase 11.From the upper surface of upper wall 11Le to
Sensor mounting hole 54 formed on the top in inwardly projecting portion 59, and the lower end of sensor mounting hole 54 is towards the top of inner bulge 59
Opening.Therefore, the sensor mounting hole 54 for surrounding the peripheral region of rotation sensor 53 forms sufficiently long axial length.
Next, the flowing of the oil at each position in the unit of the power unit PU of present embodiment is illustrated.
When being rotated when bent axle 10 is because the driving of engine E, oil pump 32 receives the rotation of the bent axle 10 and is acted.Such as
Shown in Fig. 6, oil pump 32 draws the oil being stored in food tray 31, and the oil is discharged to oily 33 side of feed path upwards.From oil
The oil of 32 discharge of pump is on the top of half babinet 11R of the right side of crankcase 11 to crankshaft system oil channel 33C and valve-driving system
Oily channel 33B bifurcateds.The oil of inflow crankshaft system oil channel 33C passes through the channel in bent axle 10 from the end on 10 right side of bent axle,
It is fed on the position that 10 surrounding of the bent axles such as crank-pin and collar needs lubricate.
On the other hand, such as Fig. 6, as shown in fig. 7, flowing into the oily from half babinet 11R of right side of valve-driving system oil channel 33B
Forepart on the right side of by the channel that upwardly extends, the first oily channel 35 is flowed by inflow part 35a, the described first oily channel 35 exists
It is formed between the end face 11Ru of upside of half babinet 11R of right side and the lower surface 17d of cylinder body 17.
Flow into the oil of the first oily channel 35 along the first oily channel 35 around cylinder bore 17a towards posterior central side with arcuation stream
Dynamic, the position before the divisional plane 11Ra of half babinet 11R of right side becomes the first detour hole that is downward and flowing into half babinet 11R
37。
The oil for flowing into the first detour hole 37 becomes with generally L-shaped in lower end towards divisional plane 11La directions, across right side half
The mutual engaging portion of divisional plane 11Ra, 11La of half babinet 11L of babinet 11R and left side and flow into left side half babinet 11L second
Detour hole 38.A part for the oil for flowing into the second detour hole 38 becomes with generally L-shaped upward, and flows into half babinet 11L of left side
The the second oily channel 36 formed between the end face 11Lu of upside and the lower surface 17d of cylinder body 17.In addition, flow into the second detour hole 38
Remaining oil becomes flowing into extension 40 downward, and the discharge orifice 41 by being arranged on the side of extension 40 flows into speed changer
The bifurcated oil channel 34 of M sides.
The rear center side that oil from the cylinder body 17 of the second oily channel 36 are flowed into from the second detour hole 38 is left towards rear portion around cylinder bore 17a
Outflow portion 36a flowings near corner, being supplied to valve actuating mechanism 21 by the channel in cylinder body 17 from outflow portion 36a needs
The position to be lubricated.
In addition, as shown in Figure 10, Figure 11, the oil of discharge orifice 41 is flowed by a left side from the second detour hole 38 by extension 40
The channel slot 49 that is formed on the divisional plane 11La of half babinet 11L of side and bifurcated flow into 42 He of left access opening of 29 rear side of balance shaft
Right access opening 43.
The oil for flowing into left access opening 42 is flowed into the axial left end region of half babinet 11L of left side in turnover hole 57, becomes court
Posteriorly obliquely downward from the end in the left side of the main shaft 13 of speed changer M by the channel in main shaft 13 to bearing portion and change gear
Wait the position supply that 13 surrounding of main shafts needs lubricate.On the other hand, axis of the oil in half babinet 11R of right side of right access opening 43 is flowed into
Become to right end region towards rear, from the right-hand end of the countershaft 14 of speed changer M by the channel in countershaft 14 to countershaft 14
Surrounding needs the position lubricated to supply.
As described above, in the power unit PU of present embodiment, in the upper wall of the axial adjacent one end of crankcase 11
Sensor mounting hole 54 is formed on 11Le, 55 He of protrusion is crossed in position by hollow structure near the sensor mounting hole 54
Turnover protrusion 56 is strengthened, and the left access opening 42 for forming oily feed path is provided on protrusion 55 and turnover protrusion 56 is crossed
(horizontal perforation) and turnover hole 57.Therefore, it is possible to be sensed using peripheral wall of 13 surrounding of main shaft to speed changer M for the channel of oil supply
Part efficiency is strengthened well near device mounting hole 54.Therefore, it in power unit PU, is arranged on rotation sensor 53
It is unrelated near the axial end portion of crankcase 11, the rigidity of the peripheral part of sensor mounting hole 54 can be maintained higher.
In particular, in the power unit PU of present embodiment, it is set to covering and main shaft near sensor mounting hole 54
The thickness T1 of the wall in 42 outside of left access opening for crossing protrusion 55 of 13 substantially parallel extensions is thicker than the week of sensor mounting hole 54
The thickness of the wall in other regions is enclosed, so can realize that crankcase 11 will not be caused whole thickens and maximize, it being capable of efficiency
The rigidity of part near sensor mounting hole 54 is improved well.
In addition, from the direction side along main shaft 13, the power unit PU of present embodiment is formed as protrusion of transferring
56 partly overlap with rotation sensor 53, thus by turnover protrusion 56 can efficiency improve sensor mounting hole 54 1 well
The rigidity of side.
In addition, in the power unit PU of present embodiment, cross protrusion 55 and be configured to be equipped on vehicle in power unit PU
It is located near vehicle front side in the state of, so even if also can in vehicle when driving just in case dispersing flying from front
Enough utilizations cross protrusion 55 and protect rotation sensor 53 from flying.
In addition, in the power unit PU of present embodiment, the end of the countershaft 14 as output extraction unit and covering chain
The eaves portion 58a of the neighboring area of wheel 15 is formed as surrounding rotation sensor 53 in a state that power unit PU is equipped on vehicle
Lower rear side, so can protect the car body lower side of rotation sensor 53 well using eaves portion 58a efficiency.
In addition, in the power unit PU of present embodiment, the side of the test section 53a of rotation sensor 53 is by eaves portion
The generally V-shaped portion's of reporting to the leadship after accomplishing a task covering that 58a and turnover protrusion 56 are formed, so can be by the test section 53a of rotation sensor 53
It is more firmly protected outside car body.
In addition, in the power unit PU of present embodiment, there is sensor peace in the formation of the upper wall 11Le of crankcase 11
It fills and is provided on the position in hole 54 towards the inwardly projecting portion 59 of the inner bulge of crankcase 11, at the top in the inwardly projecting portion 59
Sensor mounting hole 54 is formed in a manner of open-ended, thus using inwardly projecting portion 59 can efficiency improve biography well
The axial supporting rigidity of rigidity and rotation sensor 53 around sensor mounting hole 54.
In addition, in the power unit PU of present embodiment, cross protrusion 55 and left access opening 42 is configured in balance shaft 29
Between rotation sensor 53, so the dead zone between balance shaft 29 and rotation sensor 53 can be effectively utilized, oil is logical
Road is compactly configured.
It should be noted that the present invention is not limited to the above embodiment, can be planted within the scope of its spirit
Kind design alteration.For example, the vehicle for carrying above-mentioned power unit is not limited to autobicycle or three-wheel is (except previous round
The outer vehicle for also including the first two latter wheel of wheel of two wheels afterwards) or four-wheel car.
Reference sign
10 bent axles
11 crankcases (transmission case)
13 main shafts (variable-speed shaft)
14 countershafts (output extraction unit)
15 sprocket wheels (output extraction unit)
29 balance shafts
42 left access openings (horizontal perforation)
53 rotation sensors
54 sensor mounting hole
55 cross protrusion
56 turnover protrusions
57 turnover holes
58a eaves portions
59 inwardly projecting portions
C2 axis
E engines
M speed changers
PU power units
Claims (8)
1. a kind of sensor mount construction of speed changer,
The sensor mounting hole for penetrating through the wall is provided on the wall of the transmission case of storage variable-speed shaft,
The rotation sensor of the rotation of the rotary part of detection speed changer is installed in the sensor mounting hole,
The sensor mount of the speed changer is constructed and is characterized in that,
The sensor mounting hole is arranged on the axial adjacent one end of the axial wall of the speed change of the transmission case,
It is provided with being expanded outward in the transmission case and crosses protrusion and turnover protrusion, the protrusion of crossing is from along institute
The direction observation of the axis of sensor mounting hole is stated, by part court near the sensor mounting hole with the variable-speed shaft substantially
Parallel direction extension, the turnover protrusion extend from the end for crossing protrusion towards speed change axis direction,
It is described to cross protrusion and the turnover protrusion is formed with the oily feed path formed to speed changer supply lubricating oil
Horizontal perforation and turnover hole.
2. the sensor mount construction of speed changer as described in claim 1, which is characterized in that
The thickness of the wall in the outside of the horizontal perforation for crossing protrusion is thicker than the sensor installation of the transmission case
The thickness of the wall in other regions around hole.
3. the sensor mount construction of speed changer as claimed in claim 1 or 2, which is characterized in that from along the speed change
The direction side observation of the variable-speed shaft of device case, the turnover protrusion are formed as and rotation sensor at least part weight
It is folded.
4. the sensor mount construction of speed changer as claimed in claim 1 or 2, which is characterized in that
The transmission case forms the case with the integrated power unit of crankcase of engine,
It is described to cross protrusion configuration before the vehicle of the rotation sensor in a state that the power unit is equipped on vehicle
Near square side.
5. the sensor mount construction of speed changer as claimed in claim 4, which is characterized in that
The output extraction unit of the speed changer is arranged on the axial direction that the transmission case is configured with the side of the rotation sensor
End,
It is provided projectingly on the axial end of the transmission case by the eaves of the outer side covering of the output extraction unit
Portion,
In a state that the power unit is equipped on vehicle, the eaves portion is formed as surrounding under the rear portion of the rotation sensor
Side.
6. the sensor mount construction of speed changer as claimed in claim 5, which is characterized in that
From the direction side along the variable-speed shaft of the transmission case, the eaves portion and the turnover protrusion are to form
The mode of V-arrangement is formed,
From the direction side along the variable-speed shaft of the transmission case, the rotation sensor is configured to by described
The V-arrangement that eaves portion and the turnover protrusion are formed is clamped.
7. the sensor mount construction of speed changer as claimed in claim 4, which is characterized in that
The inside being provided at the position that the formation of the transmission case has the sensor mounting hole towards the transmission case is convex
The inwardly projecting portion gone out, the end of the sensor mounting hole are formed in the open top in the inwardly projecting portion.
8. the sensor mount construction of speed changer as claimed in claim 4, which is characterized in that
Top position between the bent axle and the variable-speed shaft of engine is configured with the spin balancing for keeping the bent axle
Balance shaft,
It is described to cross protrusion and horizontal perforation configuration between the balance shaft and the rotation sensor.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014068392 | 2014-03-28 | ||
JP2014-068392 | 2014-03-28 | ||
PCT/JP2015/058745 WO2015146914A1 (en) | 2014-03-28 | 2015-03-23 | Sensor mounting section structure for transmission |
Publications (2)
Publication Number | Publication Date |
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CN105934608A CN105934608A (en) | 2016-09-07 |
CN105934608B true CN105934608B (en) | 2018-06-29 |
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Application Number | Title | Priority Date | Filing Date |
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CN201580005788.8A Active CN105934608B (en) | 2014-03-28 | 2015-03-23 | The sensor mount construction of speed changer |
Country Status (5)
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JP (1) | JP6093089B2 (en) |
CN (1) | CN105934608B (en) |
MY (1) | MY186670A (en) |
PH (1) | PH12016501881A1 (en) |
WO (1) | WO2015146914A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6288050B2 (en) * | 2015-11-24 | 2018-03-07 | マツダ株式会社 | Case of structure and method of manufacturing the same |
CN114135653A (en) * | 2018-02-26 | 2022-03-04 | 加特可株式会社 | Power transmission device |
JP6779961B2 (en) * | 2018-11-27 | 2020-11-04 | 本田技研工業株式会社 | Power unit |
CN112178171B (en) * | 2020-01-06 | 2021-11-23 | 林建国 | Transmission with simple structure and automatic gear shifting device |
JP7200283B2 (en) | 2021-03-29 | 2023-01-06 | 本田技研工業株式会社 | transmission unit |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1826434A1 (en) * | 2006-02-24 | 2007-08-29 | Yamaha Hatsudoki Kabushiki Kaisha | Clutch actuator |
CN101469639A (en) * | 2007-12-28 | 2009-07-01 | 本田技研工业株式会社 | Internal combustion engine |
JP2010151276A (en) * | 2008-12-26 | 2010-07-08 | Honda Motor Co Ltd | Crankcase |
CN102384263A (en) * | 2011-10-31 | 2012-03-21 | 重庆长安汽车股份有限公司 | Built-in hall-type neutral gear position sensor |
CN103454441A (en) * | 2013-09-16 | 2013-12-18 | 盛瑞传动股份有限公司 | Speed sensor |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005151276A (en) * | 2003-11-18 | 2005-06-09 | Nec Engineering Ltd | Minimum band guarantee circuit |
JP4863755B2 (en) * | 2006-04-18 | 2012-01-25 | ヤマハ発動機株式会社 | Clutch actuator, engine unit and saddle riding type vehicle |
JP5546302B2 (en) * | 2010-03-19 | 2014-07-09 | 本田技研工業株式会社 | Vehicle speed sensor mounting structure |
-
2015
- 2015-03-23 CN CN201580005788.8A patent/CN105934608B/en active Active
- 2015-03-23 JP JP2016510349A patent/JP6093089B2/en active Active
- 2015-03-23 WO PCT/JP2015/058745 patent/WO2015146914A1/en active Application Filing
- 2015-03-23 MY MYPI2016703487A patent/MY186670A/en unknown
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2016
- 2016-09-23 PH PH12016501881A patent/PH12016501881A1/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1826434A1 (en) * | 2006-02-24 | 2007-08-29 | Yamaha Hatsudoki Kabushiki Kaisha | Clutch actuator |
CN101469639A (en) * | 2007-12-28 | 2009-07-01 | 本田技研工业株式会社 | Internal combustion engine |
JP2010151276A (en) * | 2008-12-26 | 2010-07-08 | Honda Motor Co Ltd | Crankcase |
CN102384263A (en) * | 2011-10-31 | 2012-03-21 | 重庆长安汽车股份有限公司 | Built-in hall-type neutral gear position sensor |
CN103454441A (en) * | 2013-09-16 | 2013-12-18 | 盛瑞传动股份有限公司 | Speed sensor |
Also Published As
Publication number | Publication date |
---|---|
JP6093089B2 (en) | 2017-03-08 |
WO2015146914A1 (en) | 2015-10-01 |
PH12016501881B1 (en) | 2016-12-19 |
MY186670A (en) | 2021-08-05 |
JPWO2015146914A1 (en) | 2017-04-13 |
CN105934608A (en) | 2016-09-07 |
PH12016501881A1 (en) | 2016-12-19 |
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