CN105576930A - Brushless direct current motor and control circuit therefor - Google Patents
Brushless direct current motor and control circuit therefor Download PDFInfo
- Publication number
- CN105576930A CN105576930A CN201610006562.6A CN201610006562A CN105576930A CN 105576930 A CN105576930 A CN 105576930A CN 201610006562 A CN201610006562 A CN 201610006562A CN 105576930 A CN105576930 A CN 105576930A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- main shaft
- electromagnet
- brshless
- magnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
- H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention relates to a brushless direct current motor and a control circuit therefor. The brushless direct current motor comprises a main shaft, a first bearing and support frame, a belt pulley, a base, a machine case, permanent magnets, a magnet retainer, a shaft sleeve, a second bearing and support frame, an encoder and electromagnets; the brushless direct current motor is characterized in that the magnet retainer is arranged on the main shaft; the magnet retainer is divided into 20 grooves along the circumferential direction; each permanent magnet is fixedly arranged in the corresponding groove; the electromagnet structure preferably is a fan-shaped body; the magnetizing directions of the permanent magnets are consistent; the electromagnets are fixedly arranged at the head end and the tail end of the machine case respectively; the fan-shaped surfaces of the electromagnets are opposite to those of the permanent magnets in parallel; a certain gap is reserved between each electromagnet and the corresponding permanent magnet; and different polarities of the permanent magnets and the electromagnets are opposite. The magnetic field strength of the permanent magnets is sequentially arranged from low to high; one end of the encoder is fixedly connected with the main shaft; and the other end is connected with the machine case. On or off of the permanent magnets is controlled by the encoder, so that a rotor can lastingly and stably work outside under the uncharged condition.
Description
Technical field
The present invention relates to machine field, provide a kind of brshless DC motor and control circuit thereof.
Background technology
At present, existing most of direct current machine by commutator and brushgear, the electric current in coil is constantly changed, and forms electromagnetic force, thus make rotor stressed and produce torque in stator field, and rotor produces and rotates then.But the rotor portion of this motor is in electriferous state, and brushgear and commutator must constantly slide, and could change the electric current in armature coil, make the rotation that motor continues.Its process is very loaded down with trivial details, easily occurs electric spark, and mechanical wear is serious, easy break-down, and repair and maintenance is inconvenient, and complex structure, cost is high.
Summary of the invention
Embodiments provide a kind of brshless DC motor and control circuit thereof, solve at least the charged technical problem causing motor reversing device complexity of conventional brushless DC rotor part.
According to an aspect of the embodiment of the present invention, provide a kind of brshless DC motor, comprise: main shaft (1), described main shaft (1) is provided with magnet retainer (7), and realize coaxially being fixedly connected with of described main shaft (1) and described magnet retainer (7) by axle sleeve (8), wherein, described magnet retainer (7) is evenly provided with multiple groove, and each described groove is built with permanent magnet (6); Casing (5), electromagnet (11) is fixedly equipped with at the head and the tail two ends of described casing (5) respectively, the sector of described electromagnet (11) is parallel relative with the sector of described permanent magnet (6), and the distance between described electromagnet (11) and described permanent magnet (6) is predeterminable range, and make described permanent magnet (6) relative with described electromagnet (11) opposed polarity.
Further, described brshless DC motor comprises: encoder (10), and wherein, one end of described encoder (10) is fixedly connected with described main shaft (1), and the other end of described encoder (10) is connected with described casing (5).
Further, described permanent magnet (6) arranges according to default arrangement mode, and wherein, the shape of each described permanent magnet (6) is all identical with size.
Further, described permanent magnet (6) structure is segment, and the magnetizing direction of described permanent magnet (6) is magnetized to both sides vertically by the central circular section of described magnet retainer (7).
Further, the magnetic field intensity of described permanent magnet (6) is arranged from low to high successively.
According to another aspect of the embodiment of the present invention, additionally provide a kind of control circuit of brshless DC motor, comprise brshless DC motor any one of foregoing.
In embodiments of the present invention, adopt main shaft (1), described main shaft (1) is provided with magnet retainer (7), and realize coaxially being fixedly connected with of described main shaft (1) and described magnet retainer (7) by axle sleeve (8), wherein, described magnet retainer (7) is evenly provided with multiple groove, and each described groove is built with permanent magnet (6), casing (5), electromagnet (11) is fixedly equipped with at the head and the tail two ends of described casing (5) respectively, the sector of described electromagnet (11) is parallel relative with the sector of described permanent magnet (6), and the distance between described electromagnet (11) and described permanent magnet (6) is predeterminable range, and make the mode that described permanent magnet (6) is relative with described electromagnet (11) opposed polarity, reach and make electromagnet (11) after powered up, the object of attracting each other with permanent magnet (6), thus achieve main shaft (1) continual and steady technique effect rotated under the drive of permanent magnet (6), and then solve the charged technical problem causing motor reversing device complexity of conventional motors rotor portion.
Accompanying drawing explanation
Fig. 1 is the integrally-built schematic diagram of a kind of brshless DC motor of the embodiment of the present invention;
Fig. 2 is the schematic diagram of the magnet retainer of a kind of brshless DC motor of the embodiment of the present invention;
Fig. 3 is the schematic diagram of the rotor portion of a kind of brshless DC motor of the embodiment of the present invention;
Fig. 4 is the schematic diagram of the permanent magnet arrangement of a kind of brshless DC motor of the embodiment of the present invention;
Fig. 5 is that the permanent magnet field intensity of a kind of brshless DC motor of the embodiment of the present invention is different, the identical stressed schematic diagram of arranging successively of shape, size;
Fig. 6 is the control circuit structural representation of a kind of brshless DC motor of the embodiment of the present invention.
Embodiment
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
It should be noted that, term " first ", " second " etc. in specification of the present invention and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as embodiments of the invention described herein can with except here diagram or describe those except order implement.
In embodiments of the present invention, in Fig. 1,1 be main shaft, 2 be clutch shaft bearing and bracing frame, 3 be belt wheel, 4 be base, 5 be casing, 6 be permanent magnet, 7 be magnet retainer, 8 be encoder for axle sleeve, 9 is the second bearing and bracing frame, 10,11 be electromagnet.
According to the embodiment of the present invention, provide a kind of brshless DC motor.
Fig. 1 is the integrally-built schematic diagram of a kind of brshless DC motor of the embodiment of the present invention, as shown in Figure 1, comprising:
Main shaft (1), main shaft (1) is provided with magnet retainer (7), and realizes coaxially being fixedly connected with of main shaft (1) and magnet retainer (7) by axle sleeve (8), wherein, (7) are evenly provided with multiple groove to magnet retainer, and each groove is built with permanent magnet (6);
Casing (5), electromagnet (11) is fixedly equipped with at the head and the tail two ends of casing (5) respectively, the sector of electromagnet (11) is parallel relative with the sector of permanent magnet (6), and the distance between electromagnet (11) and permanent magnet (6) is predeterminable range, and make permanent magnet (6) relative with electromagnet (11) opposed polarity.
Alternatively, brshless DC motor also comprises: encoder (10), and wherein, one end of encoder (10) is fixedly connected with main shaft (1), and the other end of encoder (10) is connected with casing (5).
Alternatively, permanent magnet (6) arranges according to default arrangement mode, and wherein, the shape of each permanent magnet (6) is all identical with size.
Alternatively, permanent magnet (6) structure is segment, and the magnetizing direction of permanent magnet (6) is magnetized to both sides vertically by the central circular section of magnet retainer (7).
Alternatively, the magnetic field intensity of permanent magnet (6) is arranged from low to high successively.
As shown in Figure 1, whole motor horizontal positioned, casing 5 is arranged at above base 4, and is fixedly linked with base 4; Belt wheel 3 is coaxial with main shaft 1, and both is fixedly connected with, and belt wheel 3 and main shaft 1 synchronous axial system; Clutch shaft bearing and bracing frame 2, second bearing and bracing frame 9 are arranged on the two ends of main shaft 1 respectively, and are coaxially connected with main shaft 1; Clutch shaft bearing and bracing frame 2, second bearing and bracing frame 9 are embedded in casing 5 respectively, and are fixedly connected with casing 5; Main shaft 1 through magnet retainer 7 centre bore, and makes magnet retainer 7 coaxially be fixedly connected with main shaft 1 by axle sleeve 8; Magnet retainer 7 one end near the shaft shoulder, the other end and axle sleeve 8 near, and to be fixedly connected with; As shown in Figure 3, permanent magnet 6 is fixing respectively loads magnet retainer 7, and circumferentially evenly stationary distribution is in 20 grooves, and its structure as shown in Figure 2, and makes the circular end face height of permanent magnet 6 opposed magnet retainer 7 consistent; Electromagnet 11 is fixedly equipped with respectively in the head and the tail two ends of casing 5, and the sector of electromagnet 11 is parallel relative with the sector of permanent magnet 6, and leaves certain interval between electromagnet 11 and permanent magnet 6, and makes permanent magnet 6 relative with electromagnet 11 opposed polarity.Permanent magnet 6 shape, size are identical, are segment, and the magnetic field intensity of permanent magnet 6 is circumferentially arranged in order from low to high, divide two groups of both sides being individually fixed in magnet retainer 7.One end of encoder 10 is fixedly connected with main shaft 1, and the other end is connected with casing 5.
Under "on" position, electromagnet 11 produces the polarity contrary with permanent magnet 6, produces attraction between electromagnet 11 and permanent magnet 6; Permanent magnet 6 shape, size are identical, and magnetic field intensity is strengthened by A to T counterclockwise successively gradually by Fig. 4; After circuit ON, as shown in Figure 5, main shaft 1 starts to rotate under attraction effect, and Fa<Fb ... <Ft, when T permanent magnet overlaps with electromagnet 11, open circuit, after main shaft 1 turns over certain angle, circuit is connected again.The break-make of circuit is by the program control of the single-chip microcomputer be connected with encoder 10 by finishing in advance.Main shaft 1 utilizes the attraction between permanent magnet 6 and electromagnet 11 to continue to move.
Two groups of electromagnet 11 are connected with power sources in parallel, and by same group coding device 10 and Single-chip Controlling, two groups of electromagnet 11 work alone.
Above exemplifying embodiment illustrates, this invention effectively achieves: under the uncharged condition of rotor, and to motor input electric energy, Driving Torque externally does work.And reliable operation, stable, easy to maintenance, be convenient to control.
According to the embodiment of the present invention; provide a kind of control circuit of direct current machine; as shown in Figure 6; comprise: power supply 00, switch 30, controller 50, circuit protecting element 90, electromagnet 11 and encoder 10; wherein, the quantity of electromagnet 11 is multiple, in figure 6; closely illustrate 3, comprise electromagnet 111, electromagnet 112 and electromagnet 113.
During work, Closing Switch 30, makes electromagnet 11 produce magnetic under the control of controller 50 and encoder 10, then with permanent magnet by attracting each other, produce torque.Under the effect of circuit protecting element 90, direct current machine is run continually and steadily.
In view of above-mentioned technical problem, the invention provides a kind of rotor portion of motor that makes in uncharged situation, input electric energy, export machine torque and externally do work, and be convenient to control, reliable operation, stable, Maintenance and Repair are a kind of brshless DC motor easily.
The present invention is achieved by the following technical solutions.
The present invention devises a kind of brshless DC motor, comprises main shaft, clutch shaft bearing and bracing frame, belt wheel, base, casing, permanent magnet, magnet retainer, axle sleeve, the second bearing and bracing frame, encoder, electromagnet.It is characterized in that, base is provided with casing, and is fixedly connected with casing, and the casing left and right sides is provided with bearing and bracing frame, and main shaft is positioned on bracing frame, and utilizes bearing to connect, and bearing is coaxially fixedly connected with main shaft.Main shaft is provided with magnet retainer, and magnet retainer is circumferentially evenly divided into 20 grooves, and groove is built with permanent magnet, and No. A, called after arrives T permanent magnet respectively.The arrangement mode of the permanent magnet on magnet retainer is: shape, the size of 20 permanent magnets are all identical, and permanent magnet field intensity is arranged in order from low to high, and permanent magnet successively stationary arrangement in groove.Permanent magnet structure is preferably segment, and the magnetizing direction of permanent magnet is consistent, magnetizes vertically by magnet retainer central circular section to both sides.Electromagnet is fixedly equipped with respectively in the head and the tail two ends of casing, and the sector of electromagnet is parallel relative with the sector of permanent magnet, and leaves certain interval between electromagnet and permanent magnet, and makes permanent magnet relative with electromagnet opposed polarity.One end of encoder is fixedly connected with main shaft, and the other end is connected with casing.
With axle sleeve, main shaft and magnet retainer are fixed together, ensure main shaft and magnet retainer coaxial rotation, prevent magnet retainer from producing and break away.The present invention utilizes the break-make of encoder control circuit.During assembling, one end of encoder is connected with main shaft, and the other end is connected with casing, to realize accurate quick on-off.
After circuit ON, because permanent magnet field intensity increases from low to high successively, a magnetic gradient is produced between permanent magnet and electromagnet, main shaft produces machine torque under the drive of permanent magnet, permanent magnet is made to produce motion under the effect of electromagnet by encoder, thus realize input electric energy, export machine torque and externally do work.It utilizes encoder to control the break-make of electromagnet, and rotor externally can be done work under uncharged condition.
Compared with existing brshless DC motor, brshless DC motor of the present invention has the following advantages:
1, enumerate the advantage of existing motor, that is: running is stable, and reliability is high, and vibration noise is little, can realize increasingly automated.Magnet retainer of the present invention is provided with permanent magnet, and casing two ends are provided with electromagnet, and encoder is connected with casing with main shaft, and realize input electric energy, Driving Torque does work.Efficient region is large, power and torque density high, power factor is large, when motor runs under synchronous speed, rotor both without copper loss also without iron loss.Characteristic of low voltage is good, and torque overload characteristic is strong, and detent torque is large, and starting current is little.Speed-regulating range width, convenient operation and control is flexible, fast response time.
The problems such as 2, to solve conventional motors rotor portion charged for this brshless DC motor, and reversing arrangement is complicated, and Maintenance and Repair are inconvenient.Decrease caloric value and mechanical loss, improve energy utilization rate.The change that the present invention utilizes permanent magnet to raise successively in rotor portion magnetic field intensity, create a magnetic gradient, by encoder inductiopn rotor position, permanent magnet is made to produce motion under the effect of electromagnet, thus drive main axis, achieve and externally export machine torque under the uncharged condition of rotor.
3, structure of the present invention is simple, is easy to batch production, easy to maintenance, solves conventional motors complex structure, safeguards an inconvenient difficult problem.
4, the present invention due to main shaft portion not charged, for working under moist or liquid environment, there is extremely strong use value, by very large actual application prospect.The present invention is based on and find a kind of structure simply, mechanical loss is little, and energy utilization rate is high, and be easy to control, running is stable, brshless DC motor easy to maintenance.Instant invention overcomes conventional motors rotor portion charged, reversing arrangement is complicated, safeguards the problems such as inconvenient.Power set are made in the laboratory that can be used for education and instruction training, also can be used for industrial and mining enterprises and electric automobile makees power-equipment.
Claims (6)
1. a brshless DC motor, it is characterized in that, comprise: main shaft (1), described main shaft (1) is provided with magnet retainer (7), and realize coaxially being fixedly connected with of described main shaft (1) and described magnet retainer (7) by axle sleeve (8), wherein, described magnet retainer (7) is evenly provided with multiple groove, and each described groove is built with permanent magnet (6); Casing (5), electromagnet (11) is fixedly equipped with at the head and the tail two ends of described casing (5) respectively, the sector of described electromagnet (11) is parallel relative with the sector of described permanent magnet (6), and the distance between described electromagnet (11) and described permanent magnet (6) is predeterminable range, and make described permanent magnet (6) relative with described electromagnet (11) opposed polarity.
2. brshless DC motor according to claim 1, it is characterized in that, described brshless DC motor also comprises: encoder (10), wherein, one end of described encoder (10) is fixedly connected with described main shaft (1), and the other end of described encoder (10) is connected with described casing (5).
3. brshless DC motor according to claim 1, is characterized in that, described permanent magnet (6) arranges according to default arrangement mode, and wherein, the shape of each described permanent magnet (6) is all identical with size.
4. brshless DC motor according to claim 1, is characterized in that, described permanent magnet (6) structure is segment, and the magnetizing direction of described permanent magnet (6) is magnetized to both sides vertically by the central circular section of described magnet retainer (7).
5. brshless DC motor according to claim 1, is characterized in that, the magnetic field intensity of described permanent magnet (6) is arranged from low to high successively.
6. a control circuit for brshless DC motor, is characterized in that, comprises the brshless DC motor according to any one of the claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610006562.6A CN105576930A (en) | 2016-01-07 | 2016-01-07 | Brushless direct current motor and control circuit therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610006562.6A CN105576930A (en) | 2016-01-07 | 2016-01-07 | Brushless direct current motor and control circuit therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105576930A true CN105576930A (en) | 2016-05-11 |
Family
ID=55886731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610006562.6A Pending CN105576930A (en) | 2016-01-07 | 2016-01-07 | Brushless direct current motor and control circuit therefor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105576930A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5917261A (en) * | 1997-09-25 | 1999-06-29 | Nihon Riken Co., Ltd. | Motive power generating apparatus utilizing energy of permanent magnet |
| US20050046285A1 (en) * | 2003-08-26 | 2005-03-03 | Kohei Minato | Direct-driven magnetic rotating apparatus |
| CN103078429A (en) * | 2012-12-11 | 2013-05-01 | 内蒙古科技大学 | Brushless direct current motor |
| CN203086309U (en) * | 2012-12-11 | 2013-07-24 | 内蒙古科技大学 | DC motor |
| CN203406758U (en) * | 2012-12-11 | 2014-01-22 | 内蒙古科技大学 | Permanent-magnet direct-current motor |
| CN203607945U (en) * | 2012-12-11 | 2014-05-21 | 内蒙古科技大学 | Permanent-magnet brushless direct-current motor |
-
2016
- 2016-01-07 CN CN201610006562.6A patent/CN105576930A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5917261A (en) * | 1997-09-25 | 1999-06-29 | Nihon Riken Co., Ltd. | Motive power generating apparatus utilizing energy of permanent magnet |
| US20050046285A1 (en) * | 2003-08-26 | 2005-03-03 | Kohei Minato | Direct-driven magnetic rotating apparatus |
| CN103078429A (en) * | 2012-12-11 | 2013-05-01 | 内蒙古科技大学 | Brushless direct current motor |
| CN203086309U (en) * | 2012-12-11 | 2013-07-24 | 内蒙古科技大学 | DC motor |
| CN203406758U (en) * | 2012-12-11 | 2014-01-22 | 内蒙古科技大学 | Permanent-magnet direct-current motor |
| CN203607945U (en) * | 2012-12-11 | 2014-05-21 | 内蒙古科技大学 | Permanent-magnet brushless direct-current motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103929041B (en) | A kind of magnetic suspension permanent magnet linear motor | |
| CN103219816A (en) | Pole-changing control permanent magnet synchronous motor | |
| CN205105069U (en) | PMSM rotor structure that can weak magnetism | |
| CN105720719A (en) | Rotor structure of variable excitation permanent magnet synchronous motor | |
| CN203406758U (en) | Permanent-magnet direct-current motor | |
| CN206559150U (en) | A kind of rare earth permanent magnet magnetic suspension motor | |
| CN203491867U (en) | Mixed excitation doubly salient permanent magnet motor | |
| CN203607945U (en) | Permanent-magnet brushless direct-current motor | |
| CN105529894A (en) | Brushless direct current motor and control circuit therefor | |
| CN204597741U (en) | A kind of two-freedom motor | |
| CN105576930A (en) | Brushless direct current motor and control circuit therefor | |
| CN101860281A (en) | Electromagnetic speed-adjusting driving system | |
| CN105406619A (en) | Direct current motor and control circuit thereof | |
| CN103078429A (en) | Brushless direct current motor | |
| CN202160014U (en) | Disk type magnetic motor with permanent magnets and electromagnets | |
| CN209526642U (en) | A kind of transverse magnetic general formula motor | |
| CN203896111U (en) | Permanent magnetism motor with high magnetic-field adjusting capability | |
| JP2021180602A (en) | Magnetic-flux-line directional mobile body electric machine | |
| CN102594070B (en) | Self-coupling type permanent magnet doubly salient motor | |
| CN112392738A (en) | Novel non-contact electromagnetic drive pump | |
| CN202550850U (en) | Self-coupled permanent magnetic double-salient pole motor | |
| KR102200620B1 (en) | High Efficiency Direct Current Motor | |
| CN105397809A (en) | Power drive mechanism of multi-freedom-degree mechanical arm | |
| CN208508766U (en) | A kind of dish-style magnetic perPETual motion machine | |
| CN205544844U (en) | Two stator single rotor magnetic suspension switched reluctance motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160511 |