CN102652212A - Device and method for measuring inflow of air for vehicle - Google Patents
Device and method for measuring inflow of air for vehicle Download PDFInfo
- Publication number
- CN102652212A CN102652212A CN2010800573041A CN201080057304A CN102652212A CN 102652212 A CN102652212 A CN 102652212A CN 2010800573041 A CN2010800573041 A CN 2010800573041A CN 201080057304 A CN201080057304 A CN 201080057304A CN 102652212 A CN102652212 A CN 102652212A
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- China
- Prior art keywords
- fan
- air
- vehicle
- mandarin
- electronic equipment
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/14—Indicating devices; Other safety devices
- F01P11/18—Indicating devices; Other safety devices concerning coolant pressure, coolant flow, or liquid-coolant level
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2025/00—Measuring
- F01P2025/60—Operating parameters
- F01P2025/66—Vehicle speed
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention relates to a device for measuring an inflow of air for a vehicle, having an engine cooling blower apparatus (2) comprising a blower (1), having a measuring apparatus (4) for measuring a blower speed and an electronic apparatus (8) connected to the measuring apparatus (4) via a communication apparatus (7) which is designed to calculate the inflow of air from the measured blower speed in order to provide information corresponding to the calculated inflow of air to a vehicle component (13). The invention further relates to a method for measuring the inflow of air for the vehicle.
Description
The present invention relates to the become a mandarin apparatus and method of (Luftanstr mung) of a kind of air that is used for measuring vehicle.
Existing technology
The actual air of vehicle becomes a mandarin, just vehicle is applied the air-flow of effect, has special significance for many application in vehicle technology field.For example become a mandarin and regulate for wiper device, for example glass Windshield Wiper according to air, for example when strong air becomes a mandarin Windshield Wiper move downward need be bigger power.
Up to the present, the speed of measuring vehicle normally calculates the air numerical value that becomes a mandarin then from the speed of vehicle, wherein, this air become a mandarin numerical value particularly do not consider wake effect or strong with the wind or against the wind.For example vehicle is among the wake flow of goods carrying vehicle, but this vehicle is again to run at high speed simultaneously, and numerical value is also high because the high air that is therefore calculated of measured speed becomes a mandarin like this.Yet the actual air air that the is lower than calculating numerical value that becomes a mandarin that becomes a mandarin in this scene.This based on this just therefore the condition with reality is mutually harmonious best for the adjusting of wiper device.
Disclosure of the present invention
Therefore task of the present invention is: be provided for a kind of device and a kind of method that the air of measuring vehicle becomes a mandarin, this apparatus and method can overcome above-mentioned shortcoming, and the air that can measure reality becomes a mandarin.
This task is by according to the described device of claim 1 and by being accomplished according to the described method of claim 7.Favourable schemes more of the present invention are themes of dependent claims.
According to the present invention, to measuring by the rotation speed of the fan of the wind-driven engine cooling blower device of driving.It is proportional that rotation speed of the fan and air become a mandarin, and can calculate air through this measure then and become a mandarin.It is corresponding that the air that is calculated becomes a mandarin that numerical value becomes a mandarin with actual air, and different with existing technology be advantageously also consider wake effect and strong with the wind or against the wind.
In addition; According to the present invention; This numerical value that calculates or air a kind of and this calculating the corresponding information that becomes a mandarin can offer other vehicle components and uses, and particularly can offer wiper device, heat regulating device and/or be used to regulate the air generation plants use of vehicle air power according to some favourable schemes.So just can advantageously realize: the environmental conditions that the adjusting of each vehicle component can be best experienced with vehicle is mutually harmonious.
In a kind of favourable scheme of the present invention; The engine cooling blower device is designed to a kind of engine cooling blower device of electricity; And preferably except fan-the control electronic equipment of a plurality of fans-also comprise the fan motor that is used for drive fan and be used to control fan motor wherein also can be set usually, so that particularly regulate the rotating speed of fan.Preferably, said control electronic equipment comprises the measuring device that is used to measure rotation speed of the fan according to of the present invention, particularly housing can be set, and said control electronic equipment and measuring device are arranged in this housing.Because the measuring device that is used to measure rotation speed of the fan according to the present invention is to measure rotation speed of the fan, so this measuring device also can be called rotary speed measurer.In a kind of exemplary form of implementation of the present invention, said measuring device comprises Hall sensor and/or is used to measure the voltage measuring apparatus of the Zero Crossing Point of the voltage of responding to by means of the fan of rotation.Though no matter be that Hall sensor or voltage measuring apparatus can be provided with on redundancy ground, yet should be noted that, usually and do not require so and do.That is to say, in order to measure rotation speed of the fan, or use Hall sensor, or the service voltage measuring device.
According to the present invention, measured rotation speed of the fan is transferred to according to electronic equipment of the present invention by means of the communicator that is connected with measuring device.In addition, particularly communicator is designed to rotation speed of the fan and/or air are become a mandarin or use with this air vehicle component that information corresponding offers other that becomes a mandarin.For example communicator comprises communication bus, particularly CAN bus (controller zone network (Controller Area Network)) or LIN-bus (local internet network (Local Interconnect Network)).Preferably, communicator comprises at least one communication interface.In another preferred scheme of the present invention, communicator comprises WLAN, infrared interface (IrDA), and perhaps " blue tooth " (Blue-tooth).
By some preferred embodiments and with reference to the figure in the accompanying drawing the present invention is described in more details below.These accompanying drawings illustrate:
Fig. 1: the sketch that is provided with that is used for device that Measurement of Air becomes a mandarin and a plurality of vehicle components;
Fig. 2: the sketch that is provided with that is used for another device that Measurement of Air becomes a mandarin and a plurality of vehicle components.
Comprise engine cooling blower device 2 with fan 1 at the device shown in Fig. 1.Fan 1 is driven by driving wind (Fahrtwind) 3, like this, and fan 1 rotation.For this reason, engine cooling blower device 2 has ventilation gaps (not shown), particularly radiator grid usually, makes said driving wind 3 can flow in the engine cooling blower device 2 through these radiator grids.In addition, engine cooling apparatus 2 also has the measuring device 4 that is used to measure rotation speed of the fan.Said measuring device 4 also can be called rotary speed measurer.In the embodiment shown in fig. 1, said measuring device 4 in other words rotary speed measurer comprise that Hall sensor 5 and the Zero Crossing Point (Nulldurchgang) that is used for for the voltage of being responded to by means of the fan 1 of rotation carry out measured voltage measuring device 6.Can measure said rotation speed of the fan with two kinds of different mode redundancy ground through this measure.Preferably measure and form a kind of mean value the numerical value from these two.When the numerical value of these two measurements very big difference, particularly difference being arranged to each other is 10% o'clock, can repeat to measure, and perhaps abandons one of them numerical value.Do not give among the embodiment who illustrates a kind of, said measuring device 4 perhaps comprises Hall sensor 5 or voltage measuring apparatus 6.Can advantageously save material like this, and therefore save cost.
In addition, engine cooling blower device 2 also has the communicator 7 that is connected with measuring device 4, is used for measured rotation speed of the fan is transferred to electronic equipment 8.This transmission is preferably through communication bus 9, particularly accomplish through CAN bus or LIN bus.Among the embodiment shown in Fig. 1, electronic equipment 8 and engine cooling blower device 2 spatially branch are arranged.Particularly electronic equipment 8 comprises vehicle electronics (not shown), for example vehicle computer, and said vehicle computer is for example also regulated the consumption of gasoline or is used for the aircondition of inner space.Yet also can stipulate, electronic equipment 8 is arranged in the engine cooling blower device 2.Can realize special compact structure through this measure.
Then, electronic equipment 8 calculate from measured rotation speed of the fan that said air becomes a mandarin or with the air information corresponding that becomes a mandarin.The air that calculates is become a mandarin or information offers wiper device 10, heat regulating device 11, the air generation plants 12 and/or other the vehicle component 13 that are used to regulate vehicle air power uses, its way be by means of communication bus 9 with said information transmission to these vehicle components 10,11,12 and 13.
Because these vehicle components 10,11,12 and 13 have been understood the actual air situation that becomes a mandarin according to the present invention, so just can be harmonious especially best for the corresponding adjusting of these vehicle components 10,11,12 and 13.
Like this, by means of the present invention for example for wiper device 10, for example just can be mutually harmonious with the environmental conditions that particularly comprises wind best for the adjusting of windshield wiper or headlight wiper device (not shown).Preferably, can become a mandarin according to the air of the reality of calculating and adjust purging system, the for example washer jet of wiper device 10.At this, can become a mandarin according to the air of reality and regulate particularly cleaning pressure, said cleaning pressure is a kind of like this pressure: promptly by means of this pressure cleaning solution is extruded from purging system.Therefore for example cleaning pressure be need improve when high, enough cleaning solution arrival glass for vehicle window or headlight also will be made although there is high air to become a mandarin for this reason when air becomes a mandarin.Yet because wake effect (Windschatteneffekt), this air by means of the reality that the present invention calculated becomes a mandarin and is lower than the air of measuring according to the tachometric survey numerical value that becomes a mandarin significantly.However, still improved cleaning pressure in the prior art, though because wake effect is so done not necessary.At this, the present invention has advantageously saved energy and wash water in this respect.
In addition, according to the invention enables the adjusting can be harmonious best with environmental conditions, the for example temperature of said reality for heat regulating device 11.About this point; Because such reasons has special significance: now; Usually in the increasingly high cooling water temperature of vehicle drive unit, particularly also in the drive scheme that substitutes, for example in fuel cell, (the wherein king-sized cooling system of the common required power of vehicle drive unit); Need carry out effective thermal conditioning to cooling system, because can save energy widely through this measure.Preferably, the cooling system (not shown) comprises water pump, valve, air valve, perhaps also comprises engine cooling blower device 2.At this, can improve adjusting significantly to heat regulating device 11 by means of the present invention.In the prior art; For example heat regulating device-said heat regulating device is regulated cooling system-in the low situation of speed, improve cooling power according to the air that only the is based on simple tachometric survey numerical value that becomes a mandarin, and numerical value can not sufficiently cool off vehicle drive unit because the corresponding low air of being measured becomes a mandarin.Strong contrary wind-it supports the cooling-do not pay attention at this to vehicle drive unit.Different with this situation is, the information that the present invention correspondingly becomes a mandarin the air of reality, just considers that the strong heat regulating device 11 that offers against the wind uses.In this scene, heat regulating device 11 needn't improve cooling power, has therefore advantageously saved energy.
Another advantage of the present invention is, the information that becomes a mandarin corresponding to the air of reality can offer the air generation plants 12 that is used to regulate vehicle air power and use.Preferably, said air generation plants 12 is air generation plantses of a kind of active of particularly in the vehicle of sports ground design, using.For example can air generation plants 12 be designed to regulate the DE (Federgrad) of vehicle suspension.In the certain situation of highway communication, be necessary like this to regulate said DE harder, adhere to stability (Strassenlage), for example when strong crosswind with the road that improves vehicle.At this moment, vehicle is Reduced Speed Now normally, and according to existing technology, said air generation plants 12-have only is a kind of to be that the air of the foundation numerical value that becomes a mandarin offers said air generation plants and use-also do not reduce said DE with the car speed.The road of vehicle adheres to stability and is not improved with regard to this respect, but has degenerated, and this makes the driver will suffer very big danger.And in contrast; The present invention stipulates that but providing actual air to go into stream information to air generation plants 12 supplies its use; This air generation plants is correspondingly regulated DE harder thus then, and the road that has so just improved vehicle in an advantageous manner significantly adheres to stability.In another program of the present invention, air generation plants initiatively comprises guide plate, preferably the active guide plate.This active guide plate can become a mandarin according to said air and regulate.
In addition, engine cooling blower device 2 also comprises the fan motor 14 that is used to drive said fan 1.Said fan motor 14 is controlled by a kind of control electronic equipment 15, and wherein, said control electronic equipment 15 particularly can be regulated rotation speed of the fan.That is to say that this control electronic equipment 15 particularly also can cut out fan motor 14.Mechanical Driven by vehicle motor produced can for example can change electric energy into, for example realizes by means of the generator (not shown).Said power storage preferably is stored in the storage battery in electrical storage device.This then electric energy stored can be transported to fan motor 14, and said fan motor therefrom produces the mechanical driving ability that is used to drive said fan 1 again.Like this, when vehicle motor shutdown, particularly during vehicle parking, and so long as the wind cooling of not driving a vehicle when but using, also can guarantee the cooling for vehicle drive unit.
Particularly when driving wind 3 can not be sufficiently provides enough cooling power to vehicle, fan motor 14 was with regard to drive fan 1.Though measured rotation speed of the fan no longer becomes a mandarin corresponding to the air of reality usually.Even so, can confirm that according to the present invention actual air becomes a mandarin, its way is that fan motor 14 is turned off on short time ground, and like this, this fan 1 is only owing to driving wind 3 rotates.So just can measure actual air reliably becomes a mandarin.After measuring, connect said fan motor 14 again, like this, fan 1 enough rotates soon, in order to cooling off vehicle drive unit reliably.Can stipulate especially at this, with controlling the control signal that electronic equipment 15 is designed to receive one of vehicle component 10,11,12 and 13, to close fan motor 14.According to a kind of preferred scheme, when having passed through predetermined time value, said control electronic equipment 15 can be additionally or instead cuts out fan motor 14.For this reason, a kind of timer device 16 is set preferably, said timer device for example is connected with control electronic equipment 15 through communication bus 9.In another unshowned exemplary form of implementation of the present invention, timer device 16 additionally or instead particularly is connected with at least one vehicle component in the vehicle component 10,11,12,13 through communication bus 9.
Close said fan 1-can advantageously measured zone also be expanded to little becoming a mandarin by means of above-mentioned exemplary scheme of the present invention-in this scheme through vehicle component 10,11,12 and 13.It is to be noted at this; Usually needn't close said fan 1 according to the requirement of vehicle component 10,11,12 and 13; Because no longer require fan 1 operation during important air becomes a mandarin on surveying usually, necessary cooling power enough be provided because air becomes a mandarin.Timer device 16 also only is a kind of option of the present invention.Can stipulate that particularly measuring said air continuously becomes a mandarin.
When the driver activated in the vehicle component 10,11,12,13, vehicle component 10,11,12,13 preferably sent a kind of control signal especially for control electronic equipment 15 through communication bus 9 then.The driver for example regulates the maximum Windshield Wiper frequency of wiper device 10.Wiper device 10 sends a control signal for control electronic equipment 15, and then controls electronic equipment 15 and closes said fan motor 14.Then, this fan 1 is just still driven by driving wind, so just can calculate actual air and become a mandarin.This numerical value is offered wiper device 10 use, wiper device 10 adjusts a kind of and the suitable maximum Windshield Wiper frequency numerical value of environmental conditions then.When for example corresponding environmental conditions was inequality, this maximum Windshield Wiper frequency numerical value can have deviation with another maximum Windshield Wiper frequency numerical value.When the driver for example wants to improve DE, particularly drive for ability campaign-styledly, air generation plants 12 sends a control signal also for similarly control electronic equipment 15.In a kind of unshowned embodiment, wiper device 10 becomes a mandarin to improve according to said air and is used to power that Windshield Wiper is moved downward, wherein, particularly also a plurality of Windshield Wipers can be installed.In another unshowned embodiment, air generation plants 12 can become a mandarin according to air and regulate guide plate, preferably regulates initiatively guide plate.
Can stipulate among the unshowned embodiment of another kind according to the present invention; Timer device 16 sends signal for vehicle component 10,11,12,13: scheduled time numerical value is pass by; In view of the above, vehicle component 10,11,12,13 sends control signal for control electronic equipment 15.This control electronic equipment cuts out fan motor 14, calculates actual air then and becomes a mandarin.Then this air is become a mandarin and offer vehicle component 10,11,12,13 uses.Particularly when the thermal conditioning for vehicle drive unit is by means of heat regulating device 11 rather than carries out with relying on the driver; Can realize through this measure: make heat regulating device 11 understand the information that the air about reality becomes a mandarin frequently, so that correspondingly make cooling power suitable.
Fig. 2 illustrates the simple layout figure that another kind is used for the device that Measurement of Air becomes a mandarin, and this device has a plurality of vehicle components.Identical parts utilize identical reference character to represent.Among the embodiment who goes out shown here, measuring device 4 or rotary speed measurer are arranged on communicator 7 and control in the electronic equipment 15.Measuring device 4 comprises Hall sensor 5 (not shown), but also can instead comprise voltage measuring apparatus 6 (not shown).Control electronic equipment 15 is being controlled fan motor 14, this fan motor drive fan 1.Be in the embodiment's difference shown in Fig. 1: embodiment does not have timer device 16 shown in figure 2.A kind of like this timer device is a kind of preferred scheme of the present invention.Can stipulate that particularly measuring said air continuously becomes a mandarin.
Claims (10)
1. be used for the device that the air of measuring vehicle becomes a mandarin, said vehicle
-have the engine cooling blower device (2) that has fan (1), have
-be used to measure rotation speed of the fan measuring device (4) and
-the electronic equipment (8) that is connected with measuring device (4) through communicator (7),
Said electronic equipment is designed to from measured rotation speed of the fan, calculate said air and becomes a mandarin, and uses so that the information corresponding that will become a mandarin with the said air of calculating offers vehicle component (13).
2. according to the described device of claim 1, wherein, vehicle component (13) is wiper device (10), heat regulating device (11) and/or the air generation plants (12) that is used to regulate vehicle air power.
3. according to claim 1 or 2 described devices; Wherein, Engine cooling blower device (2) has the fan motor (14) that is used for drive fan (1) and is used to control fan motor (14) and control electronic equipment (15) that be connected with fan motor (14); Wherein, control electronic equipment (15) is configured to receive the control signal of vehicle component (13), so that close fan motor (14).
4. according to each the described device in the aforementioned claim, wherein, measuring device (4) comprises Hall sensor (5).
5. according to each the described device in the aforementioned claim, wherein, measuring device (4) comprises that the Zero Crossing Point that is used for for the voltage of being responded to by the fan (1) that rotates carries out measured voltage measuring device (6).
6. according to each the described device in the aforementioned claim, wherein, communicator (7) comprises communication bus (9), particularly CAN bus or LIN bus.
7. be used for the method that the air of measuring vehicle becomes a mandarin, comprise the steps:
-measure the rotation speed of the fan of the fan (1) in the engine cooling blower device (2) by means of measuring device (4),
-measured rotation speed of the fan is transferred to electronic equipment (8) through communicator (7),
-from measured rotation speed of the fan, calculate said air by means of electronic equipment (8) to become a mandarin, wherein, will offer vehicle component (13) and use with the air that the is calculated information corresponding that becomes a mandarin.
8. according to the described method of claim 7, wherein, vehicle component (13) is wiper device (10), heat regulating device (11) and/or the air generation plants (12) that is used to regulate vehicle air power.
9. according to claim 7 or 9 described methods; Wherein, Fan motor (14) drive fan (1); And when control electronic equipment (15) receives control signal and/or preset time numerical value when over and done with from vehicle component (13), the control electronic equipment (15) that is connected with fan motor (14) is turned off said fan motor (14).
10. according to each the described method in the claim 7 to 9; Wherein, comprise measurement that the Zero Crossing Point for the voltage of being responded to by means of the fan (1) of rotation carries out and/or the measurement of carrying out for Hall voltage by means of Hall sensor (5) for the measurement of rotation speed of the fan.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200910054714 DE102009054714A1 (en) | 2009-12-16 | 2009-12-16 | Device and method for measuring an air flow of a vehicle |
| DE102009054714.2 | 2009-12-16 | ||
| PCT/EP2010/068643 WO2011082900A1 (en) | 2009-12-16 | 2010-12-01 | Device and method for measuring an inflow of air for a vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102652212A true CN102652212A (en) | 2012-08-29 |
Family
ID=43927315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010800573041A Pending CN102652212A (en) | 2009-12-16 | 2010-12-01 | Device and method for measuring inflow of air for vehicle |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2513446A1 (en) |
| CN (1) | CN102652212A (en) |
| DE (1) | DE102009054714A1 (en) |
| WO (1) | WO2011082900A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020029912A1 (en) * | 2000-05-09 | 2002-03-14 | Mackelvie Winston | Bi-directional automotive cooling fan |
| US20020170507A1 (en) * | 2001-03-20 | 2002-11-21 | Frank Stauder | Low ram air resistance cooling module with automatic flapper door actuation |
| CN1470866A (en) * | 2002-07-23 | 2004-01-28 | 华为技术有限公司 | Heat measuring apparatus and method thereof |
| US20040069546A1 (en) * | 2002-10-15 | 2004-04-15 | Zheng Lou | Hybrid electrical vehicle powertrain thermal control |
| CN1607272A (en) * | 2003-02-07 | 2005-04-20 | 特鲁菲舍尔股份有限公司及两合公司 | Apparatus for pneumatically feeding at least one spinning preparation machine, for example a carding machine or cleaner |
-
2009
- 2009-12-16 DE DE200910054714 patent/DE102009054714A1/en not_active Withdrawn
-
2010
- 2010-12-01 CN CN2010800573041A patent/CN102652212A/en active Pending
- 2010-12-01 WO PCT/EP2010/068643 patent/WO2011082900A1/en active Application Filing
- 2010-12-01 EP EP10790371A patent/EP2513446A1/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020029912A1 (en) * | 2000-05-09 | 2002-03-14 | Mackelvie Winston | Bi-directional automotive cooling fan |
| US20020170507A1 (en) * | 2001-03-20 | 2002-11-21 | Frank Stauder | Low ram air resistance cooling module with automatic flapper door actuation |
| CN1470866A (en) * | 2002-07-23 | 2004-01-28 | 华为技术有限公司 | Heat measuring apparatus and method thereof |
| US20040069546A1 (en) * | 2002-10-15 | 2004-04-15 | Zheng Lou | Hybrid electrical vehicle powertrain thermal control |
| CN1607272A (en) * | 2003-02-07 | 2005-04-20 | 特鲁菲舍尔股份有限公司及两合公司 | Apparatus for pneumatically feeding at least one spinning preparation machine, for example a carding machine or cleaner |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2513446A1 (en) | 2012-10-24 |
| WO2011082900A1 (en) | 2011-07-14 |
| DE102009054714A1 (en) | 2011-06-22 |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20120829 |