• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A method of washing a motor vehicle window by using a device comprising: at least one reservoir containing a deicing fluid; a channeling system connecting the at least one reservoir to orifices through which the fluid is projected onto the window, - a feed pump for circulating the fluid in the piping system until it is ejected by the aforementioned orifices, and - at least one wiper blade able to move on the glass under the action of a drive motor, characterized in that it comprises: a) a cutting of the angular sector swept by said at least one brush in elementary sectors, and b) on at least one elementary sector, a modulation of the pressure of output of the supply pump between a so-called nominal pressure and a non-zero pressure, reduced with respect to this nominal pressure.
    公开号:FR3040949A1
    申请号:FR1558782
    申请日:2015-09-18
    公开日:2017-03-17
    发明作者:Gregory Kolanowski；Giuseppe Grasso；Marcel Trebouet；Pierre-Emmanuel Negre
    申请人:Valeo Systemes dEssuyage SAS；
    IPC主号:
    专利说明:

    Method of defrosting a window of a vehicle
    The technical sector of the present invention is that of washing processes and more particularly of defrosting a window of a vehicle, in particular a motor vehicle, by using a device for wiping and washing or deicing said window.
    Automobiles are commonly equipped with wiping facilities and washing systems to wipe and wash the windshield and to prevent the driver's vision from being disturbed. Such an installation generally comprises two wiper blades which scrape the outer surface of the windshield so as to evacuate the water present on this surface. Sprinklers are positioned at the hood of the vehicle or, in a more recent version, on the brushes, and are supplied with windshield washer fluid via a pump and a piping system connected to a fuel tank. Windshield washer fluid.
    In order to wash the windshield, especially in the absence of rain, such systems are conventionally equipped with a first reservoir containing a cleaning fluid, a pipe system connecting the reservoir to nozzles, and a pump able to circulate the liquid in the pipe system to the sprinklers. In order to defrost the windshield in cold weather, it is known to use the pipe system and the sprinklers of the washing system to circulate a deicing fluid from a second tank, in place of the washing liquid.
    The two tanks may each have their pump but are generally connected to the same pipe system taking one or other of the liquids to the jets through which they are projected on the windshield. Thus, when it is desired to spray deicing fluid on the windshield, the washing pump is deactivated and the deicing pump is activated.
    Deicing fluid is more expensive than conventional cleaning fluids and it is important to project only the amount strictly necessary for defrosting the windshield. For this it is known to activate and deactivate the motor and the pump for projecting the active liquid several times during the rotation of the brushes, between their rest position and their upper position on the windshield. The interval between two consecutive activations is determined by the time that is necessary for the liquid to spread and impregnates the ice on the windshield. Activation and deactivation is then triggered by the passage of the blade on predefined angular positions on the windshield. This solution, however, has the disadvantage of strongly solicit this pump and reduce its life. The invention aims to improve the situation and concerns for this purpose a method of washing a window of a motor vehicle said vehicle being equipped with a device comprising: - at least one reservoir containing a fluid, preferably a deicing fluid, - a pipe system connecting the at least one tank to orifices through which the fluid is projected onto the windshield; - a feed pump intended to circulate the fluid in the pipe system until it is ejected through the orifices; mentioned above, and - at least one wiper blade adapted to move on the window between a low point and a high point under the action of a rotary drive motor, characterized in that it comprises: a) cutting the angular sector swept by the at least one brush in elementary sectors, and b) on at least one of said elementary sectors, a modulation of the output pressure of the feed pump between a so-called nominal pressure and a pressure, not zero, reduced compared to this nominal pressure.
    Preferably, the washing process is a method of defrosting a window. The reduction of the outlet pressure makes it possible to reduce the volume of liquid sprayed to adapt it to the quantity that is just necessary for deicing, taking advantage of the time it takes to act on frost or ice. It therefore allows a reduction of the consumption of the liquid and thus to save money.
    Advantageously, the reduced pressure is at least equal to 40% of the nominal value. This value provides significant savings and allows the pump to be reactive enough to quickly return to its nominal flow.
    Preferably, the outlet pressure of said feed pump varies on said at least one of said elementary sectors by a value reduced to its nominal value and then from this nominal value to a reduced value. This sequence of pressure levels makes it possible to deliver, for a suitable time, the quantity of liquid just needed to spread the liquid on the glass and to save the liquid by reducing the amount projected the rest of the time.
    Advantageously, the output pressure of said pump varies on each of the elementary sectors swept by said brush during the rise towards its high point, with the possible exception of a boot sector and a completion sector, d. a value reduced to its nominal value then returns to its initial reduced value. The repetition of the sequence of cycles on each elementary sector guarantees a maximum saving of the consumption of the deicing fluid.
    Preferably, the method comprises, on said at least one of the elementary sectors, a modulation of the speed of rotation of the drive motor between a so-called nominal speed and a non-zero speed, reduced compared to this nominal speed. Modulating the speed of rotation of the blade provides the broom a speed which is optimal for spreading the liquid when it is projected on the glass.
    Advantageously, the reduced speed of rotation is at least equal to 50% of the nominal speed. This value allows the drive motor to be responsive enough to quickly return to its rated speed.
    Preferably, the speed of rotation of the drive motor varies on said at least one of the elementary sectors by a value reduced to its nominal value and then from this nominal value to a reduced value. This sequence of speed levels makes it possible to give the brush a speed which is well adapted to the time of spreading the liquid on the window.
    Advantageously, the rotational speed of said drive motor varies on each of the elementary sectors swept by said brush during the rise towards its high point (PH), with the possible exception of a starting sector and a sector completion date, reduced to its nominal value and then back to its original reduced value.
    Preferably, said speed of rotation of the drive motor is always nominal when the pressure of the supply pump is nominal. This concomitance of the nominal values ensures that the deicing liquid is projected onto the window when the blade is rotating at the speed best suited to the spreading of this liquid.
    More preferably, the speed of the drive motor is nominal before reaching its nominal value by the output pressure of the feed pump and / or after the reduction of said output pressure with respect to its nominal value. This offset makes it possible to wait for the full speed of the broom before throwing the liquid on the window.
    In a particular embodiment, the method is implemented during the rise of said blade towards the high point, a purge of the pipe system being implemented during the descent of said blade to the low point. The invention also relates to a device for washing a window of a motor vehicle comprising: at least one reservoir containing a fluid, preferably a deicing fluid, a channeling system connecting the at least one reservoir to orifices through which the fluid is projected on the window, - a feed pump intended to circulate the fluid in the pipe system until it is ejected by the above-mentioned orifices, and - at least one wiper blade capable of moving on the window under the action of a rotary drive motor, characterized in that it further comprises a control means capable of modulating the outlet pressure of the supply pump between a so-called nominal pressure and a pressure, non-zero, reduced compared to this nominal pressure.
    Advantageously, said control means is capable of modulating the speed of rotation of the drive motor of said wiper blade between a so-called nominal speed and a non-zero speed, reduced with respect to this nominal speed.
    In a particular embodiment, the drive motor and / or the feed pump are of the DC stepper type, or of the reversible type, whose rotation speed and / or respectively the output pressure are controlled by a modulation of the pulse width of their control signal.
    Alternatively, the outlet pressure regulation of the pump can also be controlled by varying the supply voltage of said pump.
    Advantageously, the washing method and the washing device according to the invention are implemented by means of liquid projection orifices located on the wiper blades and / or on the actuating arms used to move these brushes. Preferably, the wiper blades and / or the actuating arms comprise fluid circulation channels provided with orifices respectively extending along the brushes or along the actuating arms. Other features and advantages of the invention will become apparent on reading the following description and exemplary embodiments given by way of illustration with reference to the appended figures. In these figures: - Figure 1 is a schematic view of a washing device of a windshield of a motor vehicle; FIG. 2 is a graph illustrating the different steps of one embodiment of the deicing method according to the invention.
    The washing method of the invention uses a washing device 1 applied to a windshield 10 of a motor vehicle as illustrated in FIG. 1. Such a washing device comprises a first reservoir 2 containing a first fluid, such as a washing liquid, and a second tank 3 comprising a second fluid, such as a deicing fluid.
    The washing device 1 also comprises a pipe system 5 connecting the first reservoir 2 and the second reservoir 3 to orifices 15 through which ejected first fluid and / or second fluid on the windshield 10. a pump system 20 for circulating first fluid and / or second fluid in the piping system 5 to ejection through the orifices 15. The pump system 20 here comprises two independent pumps 21, 22. A first pump 21 is associated with the first reservoir 2 and is intended to circulate the first fluid in the pipe system 5 and a second pump 22 is associated with the second reservoir 3 and is intended to circulate the second fluid in the pipe system 5.
    The washing device 1 comprises at least one wiper blade 30 mounted on an arm 31 and able to move on the windshield 10 between a low position PB and a high position PH. The washing device 1 of FIG. 1 comprises two wiping brushes 30. The aforementioned orifices 15 are here located all along the wiper blades 30. The orifices 15 are arranged so as to project the first fluid and / or the second fluid up the wiper blades 30, that is to say towards the top of the windshield 10. The system could as well be implemented with orifices 15 located on both sides of the broom. wiper, the liquid projection then taking place only in the direction of the rise, or only on the advancing side of the blade. It is also possible that the orifices 15 located on both sides of the wiper blades 30 simultaneously project the liquid.
    The washing device 1 also comprises a motor 40 for driving the wiping brushes 30 between their low positions and their respective high positions. The washing device of FIG. 1 further comprises, without this configuration being essential to the embodiment of the invention, at least one sensor 50. It is located here on an upper part of the windshield, in the center of which -this. It is particularly located at an area of the windshield 10 swept by only one of the two wiper blades 30. The sensor 50 may in particular be a temperature sensor or rain.
    The washing device 1 further comprises an electronic box 60 capable of controlling the motor 40 for driving the wiper blades 30 and the activation of the pump system 20, the first and second pumps 21, 22 being controllable in a manner independent. In the following description of the invention the motor 40 for driving the wiper blades and the second pump 22 for supplying deicing liquid are selected as stepping motors or pumps. direct current, or of the reversible type, whose rotation speed for one and the output pressure for the other, are controlled by a modulation of the pulse width of their control signal. Any other device can be envisaged as long as this speed and / or this output pressure can be modulated.
    FIG. 2 represents an embodiment of the defrosting method of a window pane according to the invention, and is illustrated by a graph in which are represented, on the abscissa, the time t, and on the ordinate, at the same time the pulse width (Ll) of the drive motor 40 of the wiper blades 30 (continuous line) and that of the pump 22 supply of the nozzles 15 in deicing liquid (discontinuous line).
    It can be seen that the amplitude of the rotation of a brush between its low point PB (or rest position) and its high point PH (or position opposite to the rest position) is cut into a succession of angular sectors, the number, and therefore the angular amplitude of each, is a function of the fineness that is sought for the control of the motor and that of the pump. This angular amplitude responds, again, to a time imperative sufficient for the deicing fluid, which is sprayed discretely on each elementary sector, can spread and impregnate the ice of the windshield.
    The description of the operation of the drive motor 40 and the deicing pump 22 will be given with reference to a given elementary sector "i", which extends between an angle i-1 and an angle i, measured from the low point PB. The control of the drive motor 40 and the feed pump 22 are identical on the other sectors, this control pattern being repeated over the entire scanning angular amplitude by the brushes 30, with the exception of the first sector referenced 0 and the final sector referenced f, for which the control of these two equipment will be described later.
    At the beginning of the elementary sector i, that is to say at the angle i-1, the speed of the driving motor 40 and the output pressure of the feed pump 22 are reduced by a signal of control whose pulse width is respectively 50% for the motor and 40% for the pump, of their maximum value. These reduced values are maintained for a duration ti.0.
    Then, after the time ti.0, the pulse width sent to the control of the drive motor 40 is gradually increased to 100% over a period ti. 1 which corresponds to the maximum speed of response to the control of variation of the engine speed. This pulse width is then maintained at 100% for a duration equal to the sum of three times ti.2, ti.3 and ti.4. During all this time, the rotation speed of the drive motor 40 is maximum, that is to say, for example, that it is equal to its nominal value of rotation during use of the brushes for the drive. wiping the windshield. Beyond this time ti.4, the pulse width is reduced to its reduced value by 50% for a duration ti.5.
    At the same time, the pulse width given to the control signal of the feed pump 22 remains at its reduced value of 40% during the first period t 1. 1, in extension of the initial duration ti.O. It is then gradually increased to 100% for a period ti.2 which corresponds to the maximum response speed of the pump control. The pulse width is then maintained at 100% for a duration equal to the duration ti.3. During all this time, the output pressure of the feed pump 22 is maximum, that is to say, for example, that it is equal to its nominal pressure during use of the brushes for washing windshield (excluding the defrost function).
    Beyond this time, and for a duration ti.4 which corresponds to the response time of the pump controller, the pulse width is initially reduced to a first reduced value equal to 60% of the maximum value. , then over a period ti.5, to an even smaller value, equal to 40% of the maximum value of the pulse width. At the end of this time ti.5, the pulse widths of the drive motor 40 and the feed pump 22 have returned to the values they had at the beginning of the sector i, and can follow a new cycle, on an i + 1 sector.
    All these cycles, identical, are preceded by a boot cycle, referenced "0" and a completion cycle referenced "f".
    In the rest position of the brushes, at the beginning of the priming cycle, the brushes are stationary in the low position, the drive motor and the feed pump being stopped due to a pulse width transmitted to their control system which is equal to zero. During a time tO.O while the drive motor 40 is kept at a standstill, the pulse width of the control of the feed pump 22 is gradually brought to 100%, this time tO.O corresponding to the maximum speed of increase of the pulse width between 0 and 100%. This pulse width of 100% is maintained for a duration t0. 1, the time that the deicing fluid spills over the lower part of the windshield and melt the ice that may accumulate and block the brushes 15. At the end of this time tO. 1, and for a time equal to t1.0 and t1.1, the drive motor 40 is started by a gradual change of the pulse width of its control signal from 0 to 100%. At the same time, the pulse width of the feed pump 22 is reduced by 100% to 60% and then 40% during the two times t1.0 and t1.1, respectively, which correspond to the first two times of the first defrost cycle according to US Pat. invention, this cycle being implemented on the angular sector whose value i is equal to 1. The connection between the priming cycle and the first cycle is performed satisfactorily by appropriately choosing the times t1.0. and t1.1. The duration t1.0 is such that the motor pulse reaches approximately 50% at the end of this time. As for the duration t1.1, it is chosen so that, at the end of this time, simultaneously the pulse width of the drive motor 40 reaches 100% and the pulse width of the feed pump 22 reaches the value of 40%.
    During the completion cycle "f", the pulse amplitude of the motor control and the pulse amplitude of the control of the feed pump 22 are both 100% at the end of the duration tf.3. These amplitudes will then be reduced separately, first of all the pulse amplitude of the control signal of the supply pump 22 will be brought to zero and therefore to the complete stoppage of the feed pump at the end. duration tf.4. Similarly, the reduction of the pulse amplitude of the drive motor 40 will be increased to zero and therefore to the complete stop of this motor between the end of the duration tf.4 and the end of the duration tf.5.
    The de-icing cycle on a broom run is then completed and the latter can then be brought back to its low point PB according to its conventional operation of wiping the windshield. The return sweep is preferably used to purge the pipe system 5 of its de-icing liquid, by operating the washing pump 21. The liquid sprayed during this descent phase of the blade advantageously provides a protective film to the windshield, which prevents the reappearance of frost on the latter. Then, depending on the situation of the windshield, a new defrost cycle can then be implemented during the next rise of the broom.
    Alternatively, the regulation of the pressure at the outlet of the pump can also be controlled by varying the supply voltage of said pump.
    The operation of the defrosting cycle of a windshield, according to the invention, is thus, outside the priming and completion cycles:
    The angular sector that is scanned by each of the brushes is divided into consecutive elementary sectors whose amplitude corresponds to the efficiency required for the spreading of a given quantity of deicing fluid on this elementary sector and its impregnation with ice, given a slow speed for the rotation of the brushes.
    The drive motor 40 is successively increased to its maximum speed, by a rise to 100% of the pulse width of its control signal, and then maintained at this value for three times ti.2, ti.3 and ti. 4. The duration ti.2 corresponds to the time required to bring the pulse width of the control signal of the supply pump 22 from its reduced value to that of 100%. The duration ti.3 corresponds to the time required for the desired amount of deicing fluid to be delivered to the orifices 15 of the blade. Finally, the duration ti.4 corresponds to the slowing time of the pump which results from the reduction of the pulse width of its control signal from 100% to 60%, a pulse amplitude of its control signal from 40%. % reached at the end of the duration ti.5. During the time ti.4, deicing fluid is still sent in abundance by the feed pump and the rotational speed of the brush drive motor 40 is maintained at its maximum value. Note that the drive motor 40 is always at its maximum speed when the feed pump 22 is brought to its maximum outlet pressure, to ensure a good distribution of the deicing fluid on the elementary sector considered. Furthermore, the duration during which the feed pump 22 is at its maximum pressure is shorter than the duration during which the speed of the motor 40 is at its maximum pressure, a duration during which the feed pump 22 is at its pressure. maximum being preceded and followed by a maximum rotation period of the drive motor. The sequence of these periods of maximum speed and output pressure ensures a good distribution of the deicing fluid, with an optimal efficiency for the impregnation of the ice, and resulting in a reduction of the necessary liquid deicing quantity.
    The pulse width of the control signal of the driving motor 40 is then brought to a reduced value (typically 50%, without this value being imperative) which corresponds to a slower rotation of the blade. This reduced speed corresponds to a phase of spreading the deicing fluid on the elementary sector considered and impregnation of the ice, to allow the liquid time to act.
    The pulse widths of the drive motor 40 and the feed pump 22 are maintained for some time at their reduced values before restarting a new defrost cycle on the next elementary sector, with a recovery of the pulse width the drive motor, then that of the feed pump.
    At the end of the defrosting cycle, when the brush reaches its high point PH, the cycle on the last elementary sector "f" consists simply in reducing the pulse widths of the control signals of the two devices to zero, by stopping delivering the deicing fluid and stopping the rotation of the drive motor.
    Finally, this management of the pressure given to the feed pump and the speed of the drive motor allows substantial savings in the consumption of the deicing fluid, without the quality of the defrost is degraded.
    权利要求:
    Claims (14)
    [1" id="c-fr-0001]
    claims
    1. A method for washing a window (10) of a motor vehicle, said vehicle being equipped with a device (1) comprising: - at least one reservoir (3) containing a fluid, preferably a deicing fluid, - a system pipe (5) connecting the at least one tank to orifices (15) through which the fluid is projected on the windshield (10), - a feed pump (22) intended to circulate the fluid in the system pipe (5) to its ejection by the orifices (15) above, and - at least one wiper blade (30) adapted to move on the window (10) between a low point (PB) and a point high (PH) under the action of a rotary drive motor (40), characterized in that it comprises: a) a cutting of the angular sector swept by said at least one brush in elementary sectors, and b) on at least one of said elementary sectors, a modulation of the output pressure of the feed pump (22) between so-called nominal pressure and a pressure, not zero, reduced compared to this nominal pressure.
    [2" id="c-fr-0002]
    2. The method of claim 1, wherein the reduced pressure is at least 40% of the nominal value.
    [3" id="c-fr-0003]
    3. Method according to one of claims 1 or 2, wherein the outlet pressure of said feed pump varies on said at least one of said elementary sectors by a value reduced to its nominal value and then from this nominal value to a reduced value.
    [4" id="c-fr-0004]
    4. The method of claim 3, wherein the output pressure of said pump varies on each of the elementary sectors swept by said brush during the rise to its high point (PH), with the possible exception of a sector of and a completion sector, with a value reduced to its nominal value and then back to its initial reduced value.
    [5" id="c-fr-0005]
    5. Method according to one of the preceding claims, characterized in that it comprises, on said at least one of the elementary sectors, a modulation of the speed of rotation of the drive motor (40) between a said nominal speed and a speed, not zero, reduced compared to this nominal speed.
    [6" id="c-fr-0006]
    6. The method of claim 5, wherein the reduced rotational speed is at least 50% of the nominal speed.
    [7" id="c-fr-0007]
    Washing method according to one of claims 5 or 6, wherein the speed of rotation of the drive motor (40) varies on said at least one of the elementary sectors of a value reduced to its nominal value and then of nominal value to a reduced value.
    [8" id="c-fr-0008]
    8. The method of claim 7, wherein the rotational speed of said drive motor (40) varies on each of the elementary sectors swept by said brush during the rise towards its high point (PH), with the possible exception a seed sector and a completion sector, with a value reduced to its nominal value and then back to its initial reduced value.
    [9" id="c-fr-0009]
    The method according to one of claims 5 to 8, wherein said rotational speed of the drive motor (40) is always nominal when the pressure of the feed pump (22) is nominal.
    [10" id="c-fr-0010]
    The method according to claim 9, wherein the speed of the drive motor (40) is nominal before reaching its nominal value by the output pressure of the feed pump (22) and / or after the reduction. of said outlet pressure with respect to its nominal value.
    [11" id="c-fr-0011]
    11. Method according to one of claims 1 to 10, characterized in that it is implemented during the rise of said brush to the high point (PH), a purge of the pipe system (5) being implemented during the descent of said broom to the low point (PB).
    [12" id="c-fr-0012]
    12. A device for washing a motor vehicle window comprising: at least one reservoir (3) containing a fluid, preferably a deicing fluid; a ducting system (5) connecting the at least one reservoir to orifices ( 15) by which the fluid is projected onto the window (10), - a feed pump (22) intended to circulate the fluid in the pipe system (5) until it is ejected through the above-mentioned orifices (15) , and - at least one wiper blade (30) adapted to move on the window (10) under the action of a rotary drive motor (40), characterized in that it further comprises a control means (60) capable of modulating the output pressure of the supply pump (22) between a so-called nominal pressure and a non-zero reduced pressure with respect to this nominal pressure.
    [13" id="c-fr-0013]
    Apparatus according to claim 12, wherein said control means (60) is capable of modulating the rotational speed of the drive motor (40) of said wiper blade (30) between a so-called nominal speed and a speed, non-zero, reduced compared to this nominal speed.
    [14" id="c-fr-0014]
    14. Device according to one of claims 12 or 13, wherein the drive motor (40) and / or the feed pump (22) are of the direct-current type DC, or reversible type, of which the rotational speed and / or respectively the output pressure are controlled by a modulation of the pulse width of their control signal.
    类似技术:
    公开号 | 公开日 | 专利标题
    FR3040949A1|2017-03-17|METHOD FOR DEFROSTING A GLASS OF A VEHICLE
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    FR2785246A1|2000-05-05|METHOD FOR ORDERING A VEHICLE WIPER
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    FR2991261A1|2013-12-06|SYSTEM FOR WIPING AND WASHING A GLASS OF A VEHICLE
    EP3144191A1|2017-03-22|Method for de-icing a vehicle window
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    FR2518471A1|1983-06-24|Automatic control of automobile windscreen wiper operating rate - has sweep rate increased if sweep cycle time is above preset threshold, owing to reduced friction from moisture
    FR3023765A1|2016-01-22|WIPING SYSTEM FOR VEHICLE WITH WINDOW WASH SYSTEM
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    FR2957873A1|2011-09-30|Motor vehicle window glass cleaning method, involves applying fluid stored in tank on window glass, and operating pump in discontinuous manner to allow discontinuous application of fluid on window glass by projection elements
    EP3519257A1|2019-08-07|Method for determining the wiping use of a wiper blade, and wiper system
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    同族专利:
    公开号 | 公开日
    RU2016137052A|2018-03-20|
    RU2016137052A3|2019-12-03|
    US20170072915A1|2017-03-16|
    JP2017081534A|2017-05-18|
    FR3040948B1|2017-09-08|
    FR3040949B1|2018-09-07|
    FR3040948A1|2017-03-17|
    JP2017081533A|2017-05-18|
    CN106515666A|2017-03-22|
    CN106627500A|2017-05-10|
    US20170072913A1|2017-03-16|
    EP3144190A1|2017-03-22|
    EP3144190B1|2019-01-02|
    CN106515666B|2019-11-05|
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    法律状态:
    2016-09-28| PLFP| Fee payment|Year of fee payment: 2 |
    2017-09-29| PLFP| Fee payment|Year of fee payment: 3 |
    2017-12-15| PLSC| Publication of the preliminary search report|Effective date: 20171215 |
    2018-09-28| PLFP| Fee payment|Year of fee payment: 4 |
    2020-10-16| ST| Notification of lapse|Effective date: 20200910 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1558608A|FR3040948B1|2015-09-15|2015-09-15|METHOD AND DEVICE FOR DEFROSTING A VEHICLE GLASS|
    FR1558608|2015-09-15|JP2016180483A| JP2017081534A|2015-09-15|2016-09-15|Method for defrosting window of vehicle|
    EP16188983.7A| EP3144191A1|2015-09-15|2016-09-15|Method for de-icing a vehicle window|
    US15/266,366| US20170072915A1|2015-09-15|2016-09-15|Method for de-icing a vehicle window|
    CN201611201537.XA| CN106627500A|2015-09-15|2016-09-19|Method for de-icing a vehicle window|
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