CN203130944U - Wide-range high-power continuously variable transmission - Google Patents
Wide-range high-power continuously variable transmission Download PDFInfo
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- CN203130944U CN203130944U CN 201320066751 CN201320066751U CN203130944U CN 203130944 U CN203130944 U CN 203130944U CN 201320066751 CN201320066751 CN 201320066751 CN 201320066751 U CN201320066751 U CN 201320066751U CN 203130944 U CN203130944 U CN 203130944U
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Abstract
The utility model discloses a wide-range high-power continuously variable transmission which comprises a continuously variable transmission unit and a variable range amplifier unit. A power input shaft of the continuously variable transmission unit is connected with a first crankshaft gear of an engine. A variable torque output gear of the continuously variable transmission unit is connected with a first fixed shaft duplicate gear of the variable range amplifier unit. The variable range amplifier unit comprises the first fixed shaft duplicate gear, a duplicate planet gear and a second fixed shaft duplicate planet gear, wherein the duplicate planet gear is connected with the first fixed shaft duplicate gear, and the second fixed shaft duplicate gear is connected with the duplicate planet gear. The duplicate planet gear is connected with a second crankshaft gear of the engine. The duplicate planet gear rotates around a central shaft of the first fixed shaft duplicate gear. According to the wide-range high-power continuously variable transmission, constant rotation speed is varied by a small-range continuously variable transmission unit, and then a variable range of the rotation speed is amplified to a proper range by the variable range amplifier unit. The wide-range high-power continuously variable transmission is theoretically infinite in the variable amplification range, capable of varying the speed to a certain value from zero, large in transmission power and wide in application range.
Description
Technical field
The utility model relates to Variable Speed Technology, particularly relates to a kind of big power variable speed unit on a large scale.
Background technique
The most employing of automobile gear shift manually kept off step change transmission, automatic catch step change transmission and friction type stepless speed changers now, and various machinery also need the support of speed changer, and need the continuous variation of speed.With regard to automobile, following automotive transmission automation will be more general, and stepless speed variator can not only make automobile adapt to different operating modes, and can effectively reduce the consumption of the energy, and is more obvious to effects such as electric vehicles.Present stepless speed variator adopts friction driving more, has transmission power little, and the speed changer volume is big, and slewing range is too little, shortcomings such as serious wear.
The model utility content
(1) technical problem that will solve
The purpose of this utility model provides the stepless speed variator that a kind of transmission power is big, slewing range is big.
(2) technological scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of big power variable speed unit on a large scale, it comprises: stepless speed variator unit and slewing range amplifier unit, the power input shaft of described stepless speed variator unit is connected with motor first crankshaft gear, and its speed change torque output gear is connected with the first dead axle duplicate gear of slewing range amplifier unit; Described slewing range amplifier unit comprises the described first dead axle duplicate gear, the compound planet gear that is connected with the described first dead axle duplicate gear and the second dead axle duplicate gear that is connected with described compound planet gear, described compound planet gear is connected with motor second crankshaft gear, and described compound planet gear is around the central shaft revolution of the first dead axle duplicate gear.
Wherein, described stepless speed variator unit comprises:
The displacement power plate, its central shaft is connected with described first crankshaft gear;
A plurality of reducing latch arms are arranged on the described displacement power plate at interval, and an end of each reducing latch arm is installed in rotation on the described displacement power plate by dead axle, and the other end is installed latch;
The dead axle latch is taken turns, and is arranged on the periphery of described displacement power plate, and arranges with described displacement power plate is eccentric, and its inwall is provided with tooth;
Speed change torque output gear is arranged on the outer wall of described dead axle latch wheel and with described dead axle latch and takes turns coaxial setting.
Wherein, described stepless speed variator unit also comprises:
Restrictive axes is arranged on each reducing latch arm, and near described latch;
Trapped orbit is arranged between described displacement power plate and the dead axle latch wheel, and arranges with described displacement power plate and the equal off-centre of dead axle latch wheel, and the direction of its misalignment is consistent with the direction of described displacement power plate misalignment;
Drive in the reducing latch arm rotating process at described displacement power plate, in the zone of described displacement power plate and dead axle latch wheel center deflection, described restrictive axes is by described trapped orbit block, and the interior parietal tooth of described latch and described dead axle latch wheel meshes.
Wherein, be arranged at intervals with a plurality of boss on the outer wall of described dead axle latch wheel, be arranged at intervals with a plurality of projectioies on the described speed change torque output gear inwall, in the groove between the described projection embedding adjacent lands, and be respectively arranged with first spring between the boss wall of described projection and its both sides.
Wherein, the positioning shaft of arbitrary described reducing latch arm is connected by second spring with the middle part of the reducing latch arm that is adjacent.
Wherein, the free end of described reducing latch arm is provided with the latch groove, and described latch embeds in the latch groove, and an end of described latch is installed in rotation in this latch groove.
Wherein, the central shaft of described displacement power plate is connected with described first crankshaft gear by the first connection gear.
Wherein, the gear of the described first dead axle duplicate gear connects gear by second and is connected with described speed change torque output gear, the gear of the described first dead axle duplicate gear and the engagement of the gear of compound planet gear, the gear engagement of the gear of compound planet gear and the second dead axle duplicate gear, the gear of the second dead axle duplicate gear is as speed change torque output gear.
Wherein, described second crankshaft gear meshes the 3rd and connects gear, the described the 3rd connects gear engagement motor output gear, and described motor output gear connects compound planet gear by planet carrier, makes described compound planet gear coaxial with described motor output gear.
Wherein, the wheel shaft of described planet carrier passes the central axis of the described first dead axle duplicate gear, makes the described first dead axle duplicate gear coaxial with described motor output gear.
(3) beneficial effect
The big power variable speed unit on a large scale that technique scheme provides, can be used for bicycle, light-duty machineries such as model, the speed change field that also can be used for heavy machineries such as automobile, by the stepless speed variator unit is combined with the slewing range amplifier unit, (, realize that constant rotating speed through one among a small circle after the speed change of buncher unit, is amplified to suitable scope through the slewing range amplifier unit with slewing range again; The speed change amplification range of slewing range amplifier unit is unlimited in theory, can change to certain certain value to speed by 0, and slewing range is big, and transmission power is big, and is applied widely.
Description of drawings
Fig. 1 is the structural drawing of buncher among a small circle among the utility model embodiment;
Fig. 2 is the schematic representation of slewing range amplifier among the utility model embodiment;
Fig. 3 is connection and the schematic diagram of total gear among the utility model embodiment;
Fig. 4 is the variation relation figure that changes with the latch radius of clean-up of buncher first output gear 6 and the slewing range amplifier second dead axle duplicate gear 15-15 ＇ among a small circle among the utility model embodiment;
Fig. 5 is the association area schematic representation of latch and dead axle latch wheel among the utility model embodiment;
Fig. 6 is the structural drawing of reducing latch arm among the utility model embodiment.
Wherein, 1: the displacement power plate; 2: reducing latch arm; 3: latch; 4: dead axle latch wheel; 5: the first springs; 6: speed change torque output gear; 7: trapped orbit; 8: restrictive axes; 9: dead axle; 10: the second springs; 11: the first crankshaft gears; 12: the first connection gears; 12 ＇: second connects gear; 13-13 ＇: the first dead axle duplicate gear; 14-14 ＇: compound planet gear; 15-15 ＇: the second dead axle duplicate gear; 16: the second crankshaft gears; 17: the three connection gears; 18: the motor output gear.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
Referring to figs. 1 through shown in Figure 6, present embodiment provides a kind of big power variable speed unit on a large scale, comprise the two large divisions, be respectively stepless speed variator unit and slewing range amplifier unit, the structural representation of stepless speed variator unit as shown in Figure 1, it is stepless speed variator among a small circle, the structural representation of slewing range amplifier unit as shown in Figure 2, it combines with the stepless speed variator unit, can realize the amplification of slewing range.Particularly, as shown in Figure 3, the power input shaft of described stepless speed variator unit is connected with motor first crankshaft gear 11, and its speed change torque output gear 6 is connected with the first dead axle duplicate gear 13-13 ＇ of slewing range amplifier unit; Described slewing range amplifier unit comprises the described first dead axle duplicate gear 13-13 ＇, the compound planet gear 14-14 ＇ that is connected with the described first dead axle duplicate gear 13-13 ＇ and the second dead axle duplicate gear 15-15 ＇ that is connected with described compound planet gear 14-14 ＇, described compound planet gear 14-14 ＇ is connected with motor second crankshaft gear 16, described compound planet gear 14-14 ＇ is around the central shaft revolution of the first dead axle duplicate gear 13-13 ＇, " connection " described above has the engagement of electing as between the gear, to realize the transmission of torque.
With reference to Fig. 1 and Fig. 3, the described stepless speed variator unit of present embodiment comprises:
Displacement power plate 1, its central shaft connects gear 12 by first and is connected the torque that realizes connecting motor output with described first crankshaft gear 11, and connects reducing latch arm 2, moves by the position in its center of circle, change is apart from the radius of clean-up of latch 3, and it is translation radially;
A plurality of reducing latch arms 2 are arranged on the described displacement power plate 1 at interval, and an end of each reducing latch arm 2 is installed in rotation on the described displacement power plate 1 by dead axle 9, and the other end is installed latch 3; Make latch 3 in association area and 4 engagements of dead axle latch wheel, separate with dead axle latch wheel 4 at non-association area, reducing latch arm 2 can rotate to an angle around dead axle 9, and its mechanism as shown in Figure 6;
Latch 3: take turns 4 combinations at association area and dead axle latch, transmit the torque of being transmitted by the displacement power plate.The free end of described reducing latch arm 2 is provided with the latch groove, described latch 3 embeds in the latch groove, and an end of described latch 3 is installed in rotation in this latch groove, thereby with realize latch 3 can the latch groove in reducing latch arm 2 among a small circle rotation make latch 3 and the 4 correct combinations of dead axle latch wheel, its mechanism is as illustrated in Figures 5 and 6;
Dead axle latch wheel 4, be arranged on the periphery of described displacement power plate 1, and with described displacement power plate 1 eccentric the setting, its inwall is provided with tooth, this tooth is used for and latch 3 engagements, the torque that acceptance is transmitted from latch 3 is also swayed, be arranged at intervals with a plurality of boss on the outer wall of described dead axle latch wheel 4, be arranged at intervals with a plurality of projectioies on described speed change torque output gear 6 inwalls, in the groove between the described projection embedding adjacent lands, and be respectively arranged with first spring 5 between the boss wall of described projection and its both sides;
First spring 5 connects dead axle latch wheel 4 and speed change torque output gear 6, reduce latch 3 and dead axle latch wheel 4 in conjunction with the time impact force and vibration;
Speed change torque output gear 6 is installed on the outer wall of described dead axle latch wheel 4 and with described dead axle latch and takes turns 4 coaxial settings, the torque of output after speed change;
Trapped orbit 7 is arranged between described displacement power plate 1 and the dead axle latch wheel 4, and arranges with described displacement power plate 1 and dead axle latch wheel 4 equal off-centre, and the direction of its misalignment is consistent with the direction of described displacement power plate 1 misalignment; Be used for to determine the maximum track of latch 3, with latch 3 and dead axle latch wheel 4 in conjunction with or separates, in conjunction with the time the zone association area A, the zone during separation is non-association area (zone in addition, a-quadrant), as shown in Figure 5;
Second spring 10; the middle part of the reducing latch arm 2 that connects the positioning shaft 9 of arbitrary described reducing latch arm 2 and be adjacent; at engine shutdown or there be not power when input; make combination under the latch 3 of association area and dead axle latch wheel 4 effect at spring force, and when engine operation or dynamic input, play cushioning effect.
The working principle of above-mentioned stepless speed variator unit is: the radial deflection amount e(by changing displacement power plate 1 is as shown in Figure 1) radius of clean-up (at the latch of association area to the average distance between the displacement power plate) of reducing latch arm 2 is changed, take turns 4 binding site linear velocities thereby change association area latch 3 with the dead axle latch, realize stepless change.
When latch 3 entered association area, latch 3 external frames began to intersect with the interior profile of dead axle latch wheel 4, but not necessarily combination, this is because the influence of the latch that is subjected to combine previously.After the latch 3 that combines has previously been crossed the center of association area, its radius of clean-up diminishes under the restriction of trapped orbit 7, reducing latch arm 2 will be drawn close to displacement power plate 1, latch 3 speed diminish, and produce to the opposite displacement of moving direction, this makes the dead axle latch take turns 4 rotating speeds to descend, and is conducive to the latch 3 that the back enters association area and takes turns 4 combinations with the dead axle latch stably.First spring 5 is delivered to the unstable rotating speed of dead axle latch wheel 4 on the speed change torque output gear 6 stably, makes speed change torque output gear 6 smooth rotation.
With reference to Fig. 2 and Fig. 3, present embodiment slewing range amplifier unit comprises with the bottom:
The first dead axle duplicate gear 13-13 ＇, its gear 13 connects gear 12 ＇ by second and is connected with described speed change torque output gear 6, in order to accept speed change torque output gear 6 torque transmitted after stepless speed variator unit speed change, gear 14 engagements on its gear 13 ＇ and the compound planet gear 14-14 ＇;
Compound planet gear 14-14 ＇, gear 15 engagements of its gear 14 ＇ and the second dead axle duplicate gear 15-15 ＇;
The second dead axle duplicate gear 15-15 ＇, its gear 15 ＇ are the final output gears of slewing range amplifier unit.
Compound planet gear 14-14 ＇ connects motor output gear 18 by planet carrier H, described motor output gear 18 engagements the 3rd connect gear 17, the described the 3rd connects gear 17 engagements second crankshaft gear 16, make described compound planet gear 14-14 ＇ coaxial with described motor output gear 18, motor output gear 18 is accepted the motor torque transmitted makes duplicate gear 14-14 ＇ on the planet carrier H around its rotation; The wheel shaft of described planet carrier H also passes the central axis of the described first dead axle duplicate gear 13-13 ＇, make the described first dead axle duplicate gear 13-13 ＇ coaxial with described motor output gear 18, realize that finally the first dead axle duplicate gear 13-13 ＇, dead axle duplicate gear 14-14 ＇ and motor output gear 18 threes are coaxial.
Planetary carrier H is around the axis rotation of gear 18, its rotating speed is only determined by the rotating speed of engine flywheel output, in one timing of motor output speed, the gear 14 on the dead axle duplicate gear 14-14 ＇ and 14 ＇ are only determined by the rotating speed of gear 13 ＇ around the rotating speed of self axle.
The working principle of above-mentioned slewing range amplifier is: motor output gear 18 is accepted the rotating speed of motor output, this rotating speed is only determined by motor, gear 13 on the first dead axle duplicate gear 13-13 ＇ is accepted to change the back rotating speed around its axle rotation from the stepless speed variator unit, and the compound planet gear 14-14 ＇ that drives on the planet carrier H rotates around its axis, gear 14 and gear 13 ＇ engagement, 15 engagements of gear 14 ＇ and gear, the rotating speed of gear 15 are around the rotating speed of himself axle and common decision of rotating speed of planet carrier H by gear 14 ＇.When engine speed is constant, the rotating speed of motor output gear 18 is certain, gear 14 ＇ are only determined by the rotating speed of the first dead axle duplicate gear 13-13 ＇ that around rotating speed and the rotating speed of planet carrier H of himself axle the rotating speed of the first dead axle duplicate gear 13-13 ＇ is to be determined by rotating speed after the change of stepless speed variator.When the latch radius of clean-up one timing of buncher, the rotating speed of gear 15 has just determined fully.When the buncher change outputed to the rotating speed of gear 13, the rotating speed of gear 15 changed thereupon.The speed change of buncher is linear change with the linear change of the latch radius of clean-up, and the rotating speed of final output gear 15 becomes and is with the linear change of gear 13 rotating speeds linear change.Buncher to velocity variations be from a certain greater than 0 value to another greater than 0 value.And the slewing range amplifier is from 0 to certain certain value to the variation of speed, the visible Fig. 4 of their relation.
If the radius of clean-up of latch has b1 and b2, two moment b1＜b2, b1 are the minimum radius of clean-up of association area latch, and b2 is the latch maximum working radius.
When being b1: the rotating speed minimum of buncher unit output, the rotating speed that passes to gear 18 is also minimum, the rotating speed of gear 13 is determined by motor, at this moment can make gear 2 rotating speeds by suitable velocity ratio is 0, when the radius of clean-up of latch had b1 to become b2, the rotating speed of gear 18 accelerated, and the number of teeth that gear more than 18 changes will be by gear 15 outputs, so the rotating speed of gear 15 just becomes certain value, realize electrodeless variable-speed from 0 to certain certain value.
When the big power variable speed unit on a large scale of present embodiment is applied to bicycle, automobile iso-variable velocity, displacement drive plate 1 links to each other by first first crankshaft gear 11 that connects gear 12 and motor, motor output gear 18 on the slewing range amplifier unit links to each other by the 3rd second crankshaft gear 16 that connects gear 17 and motor, motor or power plant start back displacement power plate 1 and produce the skew e that takes turns 4 axis with respect to the dead axle latch under the effects of hydraulic pressure or manpower, the rotating speed that outputs to gear 15 is changed, finally be delivered on the wheel by gear 15 ＇.
As can be seen from the above embodiments, the utility model embodiment is by combining the stepless speed variator unit with the slewing range amplifier unit, can be used in bicycle, light-duty machineries such as model, the speed change field that also can be used for heavy machineries such as automobile, constant rotating speed is amplified to suitable scope through the slewing range amplifier unit with slewing range again through one among a small circle after the speed change of buncher unit; The speed change amplification range of slewing range amplifier unit is unlimited in theory, can change to certain certain value to speed by 0, and slewing range is big, and transmission power is big, and is applied widely.
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and replacement, these improvement and replacement also should be considered as protection domain of the present utility model.
Claims (10)
1. big power variable speed unit on a large scale, it is characterized in that, comprise: stepless speed variator unit and slewing range amplifier unit, the power input shaft of described stepless speed variator unit is connected with motor first crankshaft gear (11), and its speed change torque output gear (6) is connected with the first dead axle duplicate gear (13-13 ＇) of slewing range amplifier unit; Described slewing range amplifier unit comprises the described first dead axle duplicate gear (13-13 ＇), the compound planet gear (14-14 ＇) that is connected with the described first dead axle duplicate gear (13-13 ＇) and the second dead axle duplicate gear (15-15 ＇) that is connected with described compound planet gear (14-14 ＇), described compound planet gear (14-14 ＇) is connected with motor second crankshaft gear (16), and described compound planet gear (14-14 ＇) is around the central shaft revolution of the first dead axle duplicate gear (13-13 ＇).
2. big power variable speed unit on a large scale as claimed in claim 1 is characterized in that, described stepless speed variator unit comprises:
Displacement power plate (1), its central shaft is connected with described first crankshaft gear (11);
A plurality of reducing latch arms (2) are arranged on the described displacement power plate (1) at interval, and an end of each reducing latch arm (2) is installed in rotation on the described displacement power plate (1) by dead axle (9), and the other end is installed latch (3);
The dead axle latch is taken turns (4), is arranged on the periphery of described displacement power plate (1), and arranges with described displacement power plate (1) is eccentric, and its inwall is provided with tooth;
Speed change torque output gear (6), be arranged on the outer wall of described dead axle latch wheel (4) and with (4) the coaxial setting of described dead axle latch wheel.
3. big power variable speed unit on a large scale as claimed in claim 2 is characterized in that, described stepless speed variator unit also comprises:
Restrictive axes (8) is arranged on each reducing latch arm (2), and near described latch (3);
Trapped orbit (7), be arranged between described displacement power plate (1) and the dead axle latch wheel (4), and with described displacement power plate (1) and all eccentric settings of dead axle latch wheel (4), the direction of its misalignment is consistent with the direction of described displacement power plate (1) misalignment;
Drive in reducing latch arm (2) rotating process at described displacement power plate (1), in the zone of described displacement power plate (1) and dead axle latch wheel (4) center deflection, described restrictive axes (8) is by described trapped orbit (7) block, and described latch (3) meshes with the interior parietal tooth of described dead axle latch wheel (4).
4. big power variable speed unit on a large scale as claimed in claim 2, it is characterized in that, be arranged at intervals with a plurality of boss on the outer wall of described dead axle latch wheel (4), be arranged at intervals with a plurality of projectioies on described speed change torque output gear (6) inwall, in the groove between the described projection embedding adjacent lands, and be respectively arranged with first spring (5) between the boss wall of described projection and its both sides.
5. big power variable speed unit on a large scale as claimed in claim 2 is characterized in that, the positioning shaft (9) of arbitrary described reducing latch arm (2) is connected by second spring (10) with the middle part of the reducing latch arm (2) that is adjacent.
6. big power variable speed unit on a large scale as claimed in claim 2, it is characterized in that, the free end of described reducing latch arm (2) is provided with the latch groove, and described latch (3) embeds in the latch groove, and an end of described latch (3) is installed in rotation in this latch groove.
7. big power variable speed unit on a large scale as claimed in claim 2 is characterized in that, the central shaft of described displacement power plate (1) connects gear (12) by first and is connected with described first crankshaft gear (11).
8. big power variable speed unit on a large scale as claimed in claim 1, it is characterized in that, the gear (13) of the described first dead axle duplicate gear (13-13 ＇) connects gear (12 ＇) by second and is connected with described speed change torque output gear (6), the gear (13 ＇) of the described first dead axle duplicate gear (13-13 ＇) and the engagement of the gear (14) of compound planet gear (14-14 ＇), the gear (14 ＇) of compound planet gear (14-14 ＇) and the engagement of the gear (15) of the second dead axle duplicate gear (15-15 ＇), the gear (15 ＇) of the second dead axle duplicate gear (15-15 ＇) is as speed change torque output gear.
9. big power variable speed unit on a large scale as claimed in claim 8, it is characterized in that, described second crankshaft gear (16) engagement the 3rd connects gear (17), the described the 3rd connects gear (17) engagement motor output gear (18), described motor output gear (18) connects compound planet gear (14-14 ＇) by planet carrier (H), makes described compound planet gear (14-14 ＇) coaxial with described motor output gear (18).
10. big power variable speed unit on a large scale as claimed in claim 9, it is characterized in that, the wheel shaft of described planet carrier (H) passes the central axis of the described first dead axle duplicate gear (13-13 ＇), makes the described first dead axle duplicate gear (13-13 ＇) coaxial with described motor output gear (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320066751 CN203130944U (en) | 2013-02-05 | 2013-02-05 | Wide-range high-power continuously variable transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320066751 CN203130944U (en) | 2013-02-05 | 2013-02-05 | Wide-range high-power continuously variable transmission |
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| Publication Number | Publication Date |
|---|---|
| CN203130944U true CN203130944U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320066751 Expired - Fee Related CN203130944U (en) | 2013-02-05 | 2013-02-05 | Wide-range high-power continuously variable transmission |
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| CN (1) | CN203130944U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115119A (en) * | 2013-02-05 | 2013-05-22 | 刘振国 | Wide-range high-power infinitely variable transmission |
| CN104816781A (en) * | 2015-03-24 | 2015-08-05 | 李皓明 | Super variable-speed gear |
-
2013
- 2013-02-05 CN CN 201320066751 patent/CN203130944U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115119A (en) * | 2013-02-05 | 2013-05-22 | 刘振国 | Wide-range high-power infinitely variable transmission |
| CN104816781A (en) * | 2015-03-24 | 2015-08-05 | 李皓明 | Super variable-speed gear |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20150205 |
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| EXPY | Termination of patent right or utility model |