CN2749173Y - Feedback adjustment braking structure for brake gear - Google Patents
Feedback adjustment braking structure for brake gear Download PDFInfo
- Publication number
- CN2749173Y CN2749173Y CN 200420066513 CN200420066513U CN2749173Y CN 2749173 Y CN2749173 Y CN 2749173Y CN 200420066513 CN200420066513 CN 200420066513 CN 200420066513 U CN200420066513 U CN 200420066513U CN 2749173 Y CN2749173 Y CN 2749173Y
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- China
- Prior art keywords
- ring surface
- brake
- stator
- outer ring
- rotor
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- Expired - Lifetime
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Abstract
The utility model relates to a feedback adjustment braking structure for a brake. The outer ring surface of the central rotating shaft of the brake is provided with a plurality of magnetic poles with N and S polarities staggered and arranged in a circle. A pair of arc braking boards is arranged between the outer ring surface of the stator and the inner ring surface of the rotor. One end of an arc braking board is pivoted on the outer ring surface of the stator through a pivot structure, and the other end forms a corresponding adjacent free end. A pulling mechanism can respectively pull the free end of the arc braking board. A plurality of permanent magnets are fixed on the outer ring surface of the arc braking board, and an air gap is formed between the inner ring surface of the rotor and the outer ring surface. A plurality of electrical generating windings are positioned at intervals on the stator and near the outer ring surface of the magnetic pole. A control circuit can receive the inductive electromotive force generated by the electrical generating windings. After rectification and voltage regulation, direct current voltage is generated to control the rotation of the motor, and then, the pulling mechanism generates different pulling forces to the free end of the arc brake boards, in order to adjust the braking force of the brake.
Description
Technical field
The utility model refers to a kind of feedback regulation brake structure of brake especially about a kind of brake braking force adjustment structure.
Background technology
Present existing brake structure (as the brake of lifecycle) consists predominantly of a rotor and a stator constitutes, and on stator, be pivoted with two corresponding arc keep plates, and be provided with the arc permanent magnet of a plurality of even numbered poles at the lateral surface of this arc keep plate.The outer ring surface of this arc permanent magnet is corresponding to the wheel rim inner ring surface of rotor, and has a suitable air-gap betwixt.When rotor rotates, utilize and respond to the eddy current (Eddy Current) that produces between permanent magnet and rotor, to reach the effect of rotor braking, and the air-gap between the inner ring surface of the outer ring surface of arc permanent magnet and rotor more hour, the eddy current of its induction is bigger, and the braking strength of its generation is also bigger.
Aspect the adjusting of braking force, should have brake structure now by the wherein end of a cable with manual manipulation mode pulling arc keep plate, with the air gap distance between the inner ring surface of the outer ring surface of regulating this permanent magnet and rotor, and then reach the braking torque force size of adjusting this brake.
The existing brake structural that belongs to this type, also see in other the patent please in, for example United States Patent (USP) the 6th, in 360, No. 855 patents of invention, it has disclosed the brake structural that a kind of exercise bicycle uses, this brake includes the first dish plate and the second dish plate, runs through with a central shaft therebetween.Between two dish plate, have several bodies of rod and roller, so that have suitable spacing between two dish plates.At this brake inside two arcs are arranged, and its outer ring surface is provided with magnet.One end of this arc is pivoted between two dish plates, and the other end then connects a drawing line.When this drawing line of drawing, can change the braking effect of brake.
In these existing brake structures, its shortcoming must be regulated the braking force of this brake in manually operated mode at this structure.When if desire should manually operated function changes electronic control into, then must introduce power supply and supply with electronic driving mechanism use by the outside of this brake, cause the installation position of this brake when practical application to be limited in the place of power supply, will cause the trouble and inconvenience that connect on the electricity then.
For making the restriction of general brake structure escape socket power, and having the characteristic that can use easily in not specific place, is so that this existing brake is still had improved necessity again.
For in response to this demand, the dealer develops the brake structural of self-excitation generating, for example United States Patent (USP) the 6th, 084, in the 323b patent of invention, it has disclosed a kind of brake apparatus of self-excitation electric braking, it disposes a power coil at a flywheel side, when this flywheel rotates, can produce electric energy by this power coil, to produce braking force.Yet in this previous patent case, the essential big flywheel structure that cooperates of its power coil could produce required electric energy, and can't be integrated in the structure of brake, thus comparatively bother in assembling, and can't reach the purpose that structure is simplified.
Goal of the invention
Therefore, main purpose of the present utility model is providing a kind of feedback regulation brake structure of brake, it has the self-excitation electricity generate function so that inner withdrawal mechanism and the necessary electric power of control panel to be provided in brake mechanism, exempt from the effect that connects electricity and conveniently install and use and reach.
The purpose of this utility model is achieved in that a kind of feedback regulation brake structure of brake, it is characterized in that, includes:
One stator has a central rotating shaft;
One rotor, rotor are formed on the outer ring surface of this stator, and can rotate along with the rotation of this central rotating shaft;
A plurality of N, the S polarity magnetic pole circlewise that is staggered is configured in this central rotating shaft outer ring surface;
A pair of arc keep plate is configured between the inner ring surface of the outer ring surface of this stator and rotor;
One of this arc keep plate end is hubbed at the outer ring surface of stator, the then adjacent corresponding free end that forms of the other end by pivot binding structure;
One withdrawal mechanism is arranged on this stator, and it includes a motor, can distinguish the free end of this arc keep plate of drawing;
A plurality of permanent magnets are fixed on the outer ring surface of this arc keep plate, and and the inner ring surface of this rotor between form an air-gap;
A plurality of power coils, compartment of terrain are positioned at the outer ring surface position that this stator is adjacent to this magnetic pole, when this central rotating shaft rotates, drive this magnetic pole and rotate, and make this power coil induction produce an induced electromotive force;
One circuit substrate, be configured in this stator, it is laid with a control circuit and a power management circuitry, be connected in this each power coil, receive the induced electromotive force that each power coil produces, control by this power management circuitry, with induced electromotive force that each power coil produced after rectification and voltage stabilizing, produce the rotation that direct voltage is controlled this motor by this control circuit, again by the free end generation different drawing gravitation of this withdrawal mechanism to this arc keep plate, with the air-gap between the inner surface that changes permanent magnet on this arc keep plate and rotor, with the size of the braking force of regulating this brake.
The utility model proposes the feedback regulation brake structure of another brake, include:
One stator has a central rotating shaft;
One rotor, rotor are formed on the outer ring surface of this stator, and can rotate along with the rotation of this central rotating shaft;
A pair of arc keep plate is configured between the inner ring surface of the outer ring surface of this stator and rotor;
One end of this arc keep plate is hubbed at the outer ring surface of stator, the then adjacent corresponding free end that forms of the other end by pivot binding structure;
One withdrawal mechanism is arranged on this stator, and it includes a motor, can distinguish the free end of this arc keep plate of drawing;
A plurality of permanent magnets are fixed on the outer ring surface of this arc keep plate, and and the inner ring surface of this rotor between form an air-gap;
At least one friction generating set, it is built-in with a coil and drive link, and the outboard end of this friction generating set extends a friction wheel, can contact at the inner ring surface of this rotor, when this rotor rotation, this friction wheel can be rotated thereupon, and then drives this drive link and coil, makes this friction generating set produce electric power;
One circuit substrate, be configured in this stator, it is laid with a control circuit, can receive the induced electromotive force that this friction generating set is produced, after rectification and voltage stabilizing, produce the rotation that direct voltage is controlled this motor by this control circuit, again by the different drawing gravitation of free end generation of this withdrawal mechanism to this arc keep plate, with the air-gap between the inner surface that changes permanent magnet on this arc keep plate and rotor, the braking force size of regulating this brake.
Description of drawings
Fig. 1 is the schematic diagram of first embodiment of the present utility model;
Fig. 2 is the schematic diagram of second embodiment of the present utility model;
Fig. 3 is for showing control circuit figure of the present utility model;
Fig. 4 is the electrical management schematic diagram of power management circuitry in the displayed map 3;
Fig. 5 is the schematic diagram of the 3rd embodiment of the present utility model;
Fig. 6 is the schematic diagram of the 4th embodiment of the present utility model;
Fig. 7 is the cutaway view of employed friction generating set in the utility model.
The figure number explanation
10 central rotating shafts, 11 rotors
12 magnetic poles, 20 stators
20c free end 20d free end
21 arc keep plates, 22 permanent magnets
23 first power coil 23a, second power coil
23b the 3rd power coil 23c the 4th power coil
23d the 5th power coil 23e the 6th power coil
24 power management circuitry, 25 control circuits
26 regulons, 27 control desks
200 circuit substrates, 201 leads
271 charging circuits, 272 rechargeable batteries
273 LED light and backlight 274 control desk display screens
30 withdrawal mechanisms, 31 motors
311 power transmission shafts, 32 gear trains
33 circular fluted disc 34a, 34b drawing line
35 pressure-proof springs, 41 friction generating sets
411 friction wheels, 412 drive links
413 coils
Embodiment
See also shown in Figure 1ly, it shows the schematic diagram of first embodiment of the present utility model, its mainly construct include a central rotating shaft 10, one can be with rotor 11, a stator 20 of central rotating shaft 10 runnings, constitute with two groups of arc keep plates 21.This rotor 11 can be made by cast iron, wrought iron or cast steel.
A wherein end of this arc keep plate 21 links structure by pivot, two adjacent pivot 20a, 20b for example, and pivot connects the outer ring surface appropriate position that is incorporated into stator 20, and the other end is then unsettled and can make the inner ring surface of its outer shroud cambered surface corresponding to rotor 11.By the air-gap between the inner ring surface of the outer ring surface of adjusting this two arcs keep plate 21 and rotor 11, can reach the braking force size of this brake of control.
Outer ring surface at arc keep plate 21 is fixed with several permanent magnets 22, and the outer ring surface of these permanent magnets 22 is a cambered surface corresponding to the inner ring surface of rotor 11, the utility model is provided with several N, S polarity magnetic pole 12 circlewise that is staggered on central rotating shaft 10 outer ring surfaces, be adjacent to the position of this magnetic pole 12 in addition at this stator 20, dispose one first power coil 23.
In addition, on this stator 20, be provided with one group of withdrawal mechanism 30 that is used for adjusting arc keep plate 21 and the air-gap of rotor 11.This withdrawal mechanism 30 includes a pair of drawing line 34a, 34b, and the end of this drawing line 34a, 34b is linked to free end 20c, the 20d of this arc keep plate 21 respectively, and the other end can give the scrolling drawing by the power transmission shaft 311 of a motor 31.So by the tension of drawing line 34a, 34b with loosen, also the air-gap between the inner ring surface of the outer ring surface of this arc keep plate 21 of may command and rotor 11 can reach the braking force size of controlling this brake.
Be provided with a pressure-proof spring 35 between the inner ring surface appropriate location of each arc keep plate 21 and the stator 20, make arc keep plate 21 provide an elastic force that outwards resets by this pressure-proof spring 35.When rotor 11 shut down, this arc keep plate 21 needed homing (the lightest place of torsion), to prevent sporter's athletic injury.
According to above-mentioned, when center rotating shaft 10 is rotated, can drive rotor 11 rotations.At this moment, the vortex phenomenon that magnetic swashs promptly can take place in 11 of permanent magnet 22 on the arc keep plate 21 of stator 20 and rotors, so that rotor 11 produces braking effect.
Simultaneously, when this central rotating shaft 10 rotated, the magnetic pole 12 that is configured in these central rotating shaft 10 outer ring surfaces can be answered because of the magnetic excitation with first power coil 23, and makes this first power coil 23 produce induced potentials.
Fig. 2 is the schematic diagram of second embodiment of the present utility model, its general configuration is identical with aforementioned first embodiment, its difference is that its withdrawal mechanism 30 can also train of reduction gears 32 be replaced, and in this gear train 32, include a circular fluted disc 33, and fix the end of a drawing line 34a respectively at the relative position of the wherein card of this circle fluted disc 33, the other end of drawing line 34a, 34b then is linked to free end 20c, the 20d of this arc keep plate 21 respectively.This drawing line 34a, 34b for example can be connecting rod or rope, in order to free end and the withdrawal mechanism 30 that links this arc keep plate 21.
In the utility model, be adjacent to the position of this magnetic pole 12 at this stator 20, dispose one first power coil 23, the second power coil 23a, the 3rd power coil 23b, the 4th power coil 23c, the 5th power coil 23d, the 6th power coil 23e.When center rotating shaft 10 was rotated, this each power coil 23～23e also can answer because of the magnetic excitation with the magnetic pole 12 of these central rotating shaft 10 outer ring surfaces, and produces induced potential.
The induced potential that this second to the 6th power coil 23a～23e is produced can be used as the motor 31 that parallel connection is supplied to this withdrawal mechanism 30 at the direct voltage that is produced after over commutation and voltage stabilizing, to strengthen the problem of first power coil 23 possible power shortage when the practical application.
The induced potential that this second to the 6th power coil 23a～23e is produced is at the direct voltage that is produced after over commutation and voltage stabilizing, except purposes as parallel operation, also can move and make other purposes, for example supply microprocessor or the required operating voltage of other electronic building brick in the control circuit of being laid on the circuit substrate 200 25, supply electric power to motor 31 by the lead between this circuit substrate 200 and the motor 31 201 again.The induced potential that this second to the 6th power coil 23a～23e is produced can supply also that indication cresset in the control circuit is lighted, display screen or the required operating voltage of other sports equipment.
Consult shown in Figure 3ly, it is for showing control circuit figure of the present utility model.Its electric power that shows that first power coil 23, second to the 6th power coil 23a～23e are produced can be done the management and the distribution of electric power by a power management circuitry 24.
When only disposing a power coil (for example first power coil 23) in the utility model, the electric power that this power coil produced can be shared electric power through this power management circuitry 24 supply electric power to motor 31 and control desk 27.In this control desk 27, include a charging circuit 271, a rechargeable battery 272, a LED light and backlight 273, a control desk display screen 274.
The electric power that this power coil produced can be delivered in the control circuit 25 through after the power management circuitry 24, is controlled the rotary state of motors 31 again by this control circuit 25.Can include existing rectifier and pressurizer in this control circuit 25, carry out exporting a direct current voltage after rectification and the voltage stabilizing with the induced potential that this first power coil 23 is produced, with motor 31 action that generation clockwise rotates or inhour is rotated of controlling this withdrawal mechanism 30.This control circuit 25 also can be connected with a regulon 26, and the user can be regulated and be presetted the rotating angle of motor 31 by this regulon 26.
When motor 31 when clockwise rotating, this circle fluted disc 33 is through the transmission of gear train 32 and clockwise rotate, and this drawing line 34 of drawing, so arc keep plate 21 is by the direction skew of drawing line 34 drawings to this stator 20, make the air-gap between the inner ring surface of the outer ring surface of the permanent magnet 22 on this arc keep plate 21 and rotor 11 become big, the braking force that is applied to rotor 11 is diminished.
And when motor 31 rotates counterclockwise, then can loosen the drawing of 34 pairs of arc keep plates 21 of drawing line, so this arc keep plate 21 is by the outside restoring force of pressure-proof spring 35, and the air-gap between the inner ring surface of the outer ring surface of the permanent magnet 22 on the arc keep plate 21 and rotor 11 is diminished, make the braking force that is applied to rotor 11 become big.So, can reach purpose with the braking force size of automatically controlled self-adjusting brake.
And when the power coil that disposes in the utility model more than two or two, the electric power that one of them power coil produced can be through charging circuit 271, a rechargeable battery 272, a LED light and backlight 273, the control desk display screen 274 of this power management circuitry 24 supply electric power to the control desk 27, and another group is then supplied electric power to motor 31.But most times of motor 31 (for example 90% time) may not move, so when motor 31 does not move, this electric power that is supplied to motor is extremely via the control of power management circuitry 24, and supply charging voltages to rechargeable battery 272 by charging circuit 271.
In the power management circuitry 24 in Fig. 3, it can be managed at the electric power that each power coil produced.Consult shown in Figure 4ly, it shows the electrical management schematic diagram of this power management circuitry 24.
In the time interval P1 of rotating speed (RPM) when being not equal to 0 of center rotating shaft 10, normal power supply to motor 31 makes it operate as normal, and charging circuit 271, a rechargeable battery 272, a LED light and backlight 273, the control desk display screen 274 of normal power supply to the control desk 27.
And in the time interval P2 of rotating speed (RPM) when equaling 0 of center rotating shaft 10, equal 0 time t1 begins when the rotating speed of center rotating shaft 10, during to a scheduled time t2, then under the control of power management circuitry 24, stop power supply to LED light and backlight 273, but still continue to supply power to control desk display screen 274.So can the amount of saving energy, making things convenient for that the user is of short duration need not.And when arriving another scheduled time t3, just stop power supply to control desk display screen 274.After this scheduled time t3, promptly enter park mode.
Fig. 5 is the schematic diagram of the 3rd embodiment of the present utility model, its general configuration is identical with aforementioned embodiment shown in Figure 1, its difference is that the power coil 23 among first embodiment can be replaced by a friction generating set 41, and does not need among this embodiment at central rotating shaft 10 places configuration magnetic pole 12.And this friction generating set 41 is built-in with a coil and drive link in a housing, and this friction generating set 41 includes a friction wheel 411, and its outboard end by this friction generating set 41 extends, and can contact at the inner ring surface of this rotor 11.So when this rotor 11 rotated, this friction wheel 411 can be rotated, and then drove drive link 412 and coil 413 in this friction generating set 41 thereupon, so make this friction generating set 41 produce electric power.
Fig. 6 is the schematic diagram of the 4th embodiment of the present utility model, its general configuration is identical with the embodiment of earlier figures 5, its difference is that power coil 23 can be replaced by a friction generating set 41, and the identical structure of withdrawal mechanism 30 employings withdrawal mechanism 30 as shown in Figure 2.
Fig. 7 is for showing the cutaway view of employed friction generating set 41 in the utility model, and it is presented at and includes a friction wheel 411, drive link 412 and coil 413 in this friction generating set 41.When this friction wheel 411 is subjected to that rotor 11 drives and when rotating, can drives this drive link 412 to rotate, so can be by coil 413 generation electric power.
Claims (12)
1, a kind of feedback regulation brake structure of brake is characterized in that, includes:
One stator has a central rotating shaft;
One rotor, rotor are formed on the outer ring surface of this stator, and can rotate along with the rotation of this central rotating shaft;
A plurality of N, the S polarity magnetic pole circlewise that is staggered is configured in this central rotating shaft outer ring surface;
A pair of arc keep plate is configured between the inner ring surface of the outer ring surface of this stator and rotor;
One of this arc keep plate end is hubbed at the outer ring surface of stator, the then adjacent corresponding free end that forms of the other end by pivot binding structure;
One withdrawal mechanism is arranged on this stator, and it includes a motor, and this motor is the free end of this arc keep plate of drawing respectively;
A plurality of permanent magnets are fixed on the outer ring surface of this arc keep plate, and and the inner ring surface of this rotor between form an air-gap;
A plurality of power coils, compartment of terrain are positioned at the outer ring surface position that this stator is adjacent to this magnetic pole, when this central rotating shaft rotates, drive this magnetic pole and rotate, and make this power coil induction produce an induced electromotive force;
One circuit substrate, be configured in this stator, described circuit substrate is provided with a control circuit and a power management circuitry, two circuit are connected in this each power coil, described power management circuitry receives the induced electromotive force that each power coil produces, and with induced electromotive force that each power coil produced after rectification and voltage stabilizing, produce the rotation that direct voltage is controlled this motor by this control circuit.
2, the feedback regulation brake structure of brake as claimed in claim 1, it is characterized in that, this withdrawal mechanism includes a pair of drawing line, and an end of this drawing line is linked to the free end of this arc keep plate respectively, and the other end gives the scrolling drawing by the power transmission shaft of a motor.
3, the feedback regulation brake structure of brake as claimed in claim 1 is characterized in that, more includes a control desk, is connected in this control circuit, is provided with at least one LED light and backlight on this control desk.
4, the feedback regulation brake structure of brake as claimed in claim 3, it is characterized in that, this control desk is connected with described power management circuitry, and power management circuitry receives induced electromotive force that this power coil produces and it is offered described control desk as working power.
5, the feedback regulation brake structure of brake as claimed in claim 3, it is characterized in that, more be provided with a control desk display screen on this control desk, the induced electromotive force that this power coil produced can be supplied to this control desk display screen via the control of this power management circuitry.
6, the feedback regulation brake structure of brake as claimed in claim 3, it is characterized in that, this control desk more includes a charging circuit and a rechargeable battery, and the induced electromotive force that this power coil produced can charge to rechargeable battery via this charging circuit.
7, a kind of feedback regulation brake structure of brake is characterized in that, includes:
One stator has a central rotating shaft;
One rotor, rotor are formed on the outer ring surface of this stator, and can rotate along with the rotation of this central rotating shaft;
A pair of arc keep plate is configured between the inner ring surface of the outer ring surface of this stator and rotor;
One end of this arc keep plate is hubbed at the outer ring surface of stator, the then adjacent corresponding free end that forms of the other end by pivot binding structure;
One withdrawal mechanism is arranged on this stator, and it includes a motor, can distinguish the free end of this arc keep plate of drawing;
A plurality of permanent magnets are fixed on the outer ring surface of this arc keep plate, and and the inner ring surface of this rotor between form an air-gap;
At least one friction generating set, it is built-in with a coil and drive link, and the outboard end of this friction generating set extends a friction wheel, can contact at the inner ring surface of this rotor, when this rotor rotation, this friction wheel can be rotated thereupon, and then drives this drive link and coil, makes this friction generating set produce electric power;
One circuit substrate is configured in this stator, and it is laid with a control circuit, can receive the induced electromotive force that this friction generating set is produced, and after rectification and voltage stabilizing, produces the rotation that direct voltage is controlled this motor by this control circuit.
8, the feedback regulation brake structure of brake as claimed in claim 7, it is characterized in that, this withdrawal mechanism includes a pair of drawing line, and an end of this drawing line is linked to the free end of this arc keep plate respectively, and the other end gives the scrolling drawing by the power transmission shaft of a motor.
9, the feedback regulation brake structure of brake as claimed in claim 7, it is characterized in that, include a power management circuitry in this control circuit, be connected in this friction generating set, to receive the induced electromotive force that its coil is produced, via the control of this power management circuitry, so that the induced electromotive force that coil was produced is supplied to this control circuit.
10, the feedback regulation brake structure of brake as claimed in claim 9, it is characterized in that, more include a control desk, be connected in this control circuit, on this control desk, be provided with at least one LED light and backlight, the working power of this control desk by induced electromotive force that this power coil produced through the control of power management circuitry and supply.
11, the feedback regulation brake structure of brake as claimed in claim 10, it is characterized in that, more be provided with a control desk display screen on this control desk, the induced electromotive force that this power coil produced can be supplied to this control desk display screen via the control of this power management circuitry.
12, the feedback regulation brake structure of brake as claimed in claim 10, it is characterized in that, this control desk more includes a charging circuit and a rechargeable battery, and the induced electromotive force that this coil produced can charge to rechargeable battery via this charging circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420066513 CN2749173Y (en) | 2004-06-22 | 2004-06-22 | Feedback adjustment braking structure for brake gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420066513 CN2749173Y (en) | 2004-06-22 | 2004-06-22 | Feedback adjustment braking structure for brake gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2749173Y true CN2749173Y (en) | 2005-12-28 |
Family
ID=35720645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420066513 Expired - Lifetime CN2749173Y (en) | 2004-06-22 | 2004-06-22 | Feedback adjustment braking structure for brake gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2749173Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302919B (en) * | 2007-05-10 | 2012-08-15 | 尚飞公司 | Tubular actuator for powering a screen and method for manufacturing such an actuator |
| TWI711759B (en) * | 2019-06-13 | 2020-12-01 | 曾源揆 | Device for use in generating electric power and braking, kit and brake unit of same |
-
2004
- 2004-06-22 CN CN 200420066513 patent/CN2749173Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302919B (en) * | 2007-05-10 | 2012-08-15 | 尚飞公司 | Tubular actuator for powering a screen and method for manufacturing such an actuator |
| TWI711759B (en) * | 2019-06-13 | 2020-12-01 | 曾源揆 | Device for use in generating electric power and braking, kit and brake unit of same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140622 Granted publication date: 20051228 |