CN102275485B - Thawing unit for automobile windscreen wiper - Google Patents
Thawing unit for automobile windscreen wiper Download PDFInfo
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- CN102275485B CN102275485B CN 201110137746 CN201110137746A CN102275485B CN 102275485 B CN102275485 B CN 102275485B CN 201110137746 CN201110137746 CN 201110137746 CN 201110137746 A CN201110137746 A CN 201110137746A CN 102275485 B CN102275485 B CN 102275485B
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- guide duct
- outer guide
- windscreen wiper
- air outlet
- thawing unit
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- 238000010257 thawing Methods 0.000 title claims abstract description 56
- 238000007790 scraping Methods 0.000 claims description 18
- 239000004744 fabric Substances 0.000 claims description 17
- 238000004378 air conditioning Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 claims description 6
- 210000001364 upper extremity Anatomy 0.000 claims description 6
- 230000003467 diminishing effect Effects 0.000 claims description 4
- 239000013536 elastomeric material Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000001704 evaporation Methods 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 230000008014 freezing Effects 0.000 description 5
- 238000007710 freezing Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The invention provides a thawing unit for an automobile windscreen wiper, belonging to the technical field of automobiles and solving the problem that the traditional thawing unit for the windscreen wiper leads to uneven heating to a windscreen so as to result in a cracking phenomenon. The thawing unit for the automobile windscreen wiper in the invention comprise an outer wind guiding pipe, a control mechanism 1 capable of controlling the communication state of the outer wind guiding pipe is arranged on the outer wind guiding pipe, one end of the outer wind guiding pipe can be communicated with an air-conditioner wind outlet pipe, the other end of the outer wind guiding pipe is provided with a wind outlet and is located below the outer side of a front windscreen, and when a wiper blade of the windscreen wiper is located at a lowest position, the wiper blade corresponds to the wind outlet of the outer wind guiding pipe. The thawing unit for the automobile windscreen wiper in the invention has the advantages of high thawing efficiency, travel time saving performance, simple structure, low production cost, capability of being used in different vehicle types, high use safety and long service life, and can be used for evaporating thawed water in a thawing process so as to prevent the thawed water from icing at other positions.
Description
Technical field
The invention belongs to automobile technical field, relate to a kind of vehicle wiper, particularly a kind of thawing unit for automobile windscreen wiper.
Background technology
Automobile refers to that the engine installation of self equipment drives, and generally has four or more wheel, does not rely on track or stringing and at the vehicle of land locomotion.In the winter of cold, often meet the inclement weather such as snow, freezing, automobile also is one of the easiest article that are subject to the severe cold impact.Front windshield is by snow and ice cover, and this causes automobile normally to use; For the ice and snow of removing front windshield then need start windscreen wiper, utilize windscreen wiper that ice and snow is removed to both sides.Front windshield also can cause the scraping blade of windscreen wiper firmly to be frozen on front windshield by snow and ice cover the time, and windscreen wiper can't normal rotation.
At present, air-conditioning improves the car indoor temperature on the automobile although chaufeur also can utilize, and then demist is thawed, but because room conditioning directly blows to front windshield, come transferring heat by glass, thereby so that the windscreen wiper that is frozen in can't quick-thawing, cause vehicle not use rapidly.Therefore can prolong chaufeur and passenger's wait time, for rhythm society quickly, this phenomenon can't be tolerated by people.
In order to solve the problem of above-mentioned existence, once the someone had proposed different solutions, such as the disclosed a kind of wiper thawing apparatus [China Patent No.: ZL200510022352.8 of Chinese patent literature; Granted publication number: CN100527898C], comprise calandria, temperature sensor and heating control circuit, temperature sensor detects the temperature in wiper and front windshield contact surface annex zone, and the output temperature signal is to heating control circuit, this heating control circuit judges according to this temperature signal whether this wiper freezes, as freeze, then control calandria heating and wiper is thawed, calandria is pasted on the inboard on edge under this front windshield to stop position that should wiper, and the area that occupies of the area covering wiper stop position of this calandria.Although this technical scheme has solved theoretically, but exist certain defective, when even the temperature in wiper and front windshield contact surface annex zone is lower than zero degree, therefore locate not freeze without rainwater collecting, but control circuit still can be controlled the calandria heating, then will inevitably waste energy and injure the scraping blade of front windshield and wiper.This scheme very easily causes Windshield to be heated inhomogeneous and produces the phenomenon break occuring, and has again, and air-conditioning can have been realized same function at present, is installed in the air outlet below the indoor front windshield, and warm braw can directly blow to Windshield.
Summary of the invention
The objective of the invention is to have the problems referred to above for existing technology, proposed a kind of wiper thaw scheme diversification and easier thawing unit for automobile windscreen wiper of control of making.
Purpose of the present invention can realize by following technical proposal: a kind of thawing unit for automobile windscreen wiper, automobile comprises vehicle body, be fixed with air-conditioning on the vehicle body, front windshield and wiper, it is characterized in that, this thawing apparatus comprises outer guide duct, described outer guide duct is provided with the control mechanism one that can control outer guide duct connected state, one end of described outer guide duct can communicate with the air conditioning exhausting pipe, the other end of outer guide duct has the bottom that air outlet and this end are positioned at the front windshield outside, and scraping blade is relative with the air outlet of outer guide duct when the scraping blade of wiper is positioned at the extreme lower position state.
Therefore this thawing unit for automobile windscreen wiper only comprises outer guide duct and control mechanism one, has simple in structure, advantage cheaply.Utilize freezing can the carrying out as follows on this thawing unit for automobile windscreen wiper releasing wiper: at first chaufeur finds that the scraping blade of wiper is frozen on the front windshield, and needs this moment to handle wiper, then starts automobile mounted air-conditioning.Then operating control mechanism one makes outer guide duct be in connected state, on warm braw blows and leans the ice face at place to wiper scraping article and front windshield, the air flow energy that blows out from air outlet covers the scraping blade of wiper substantially, therefore freezingly melts fast under the warm braw direct effect.In this process, optimum for automobile is in the horsepower input that halted state guarantees air-conditioning, the warm braw that air-conditioning is blown out is strong warm braw, can improve the efficient of thawing thus.Thaw finish after again operating control mechanism one make outer guide duct be in off condition, avoid thus energy dissipation, and avoid foreign material to enter in the air conditioning exhausting pipe.
In above-mentioned thawing unit for automobile windscreen wiper, described control mechanism one comprises the electromagnetic valve that is connected on the outer guide duct, and the described electromagnetic valve first line of a couplet is connected to master cock.It is indoor that master cock is arranged on car, and chaufeur is pressed the switching that master cock just can be controlled electromagnetic valve, and then realize changing the connected state of outer guide duct.
In above-mentioned thawing unit for automobile windscreen wiper, described control mechanism one comprises the guiding valve that is connected on the outer guide duct, is connected with pull bar on the valve rod of described guiding valve.Manually pulling or pushing drawing rod just can make the spool of guiding valve slide, and then realize changing the connected state of outer guide duct.
In above-mentioned thawing unit for automobile windscreen wiper, the air outlet of described outer guide duct all is strip, and lateral axis is horizontally disposed with.This structure can improve concentration degree and the intensity that blows out warm braw from outer guide duct, and then guarantees that air flow energy covers the scraping blade of wiper substantially.
In above-mentioned thawing unit for automobile windscreen wiper, the outlet air end of described outer guide duct has the diminishing section of successively decreasing.
In above-mentioned thawing unit for automobile windscreen wiper, the air outlet place of described outer guide duct is provided with and prevents that foreign material from entering the protection structure in the outer guide duct.The protection structure is opened under pressure automatically and strong warm braw blows to wiper scraping article and the front windshield place that leans.Pressure in the outer guide duct is higher, can avoid thus that foreign material enter in the outer guide duct when fender guard is opened.Simultaneously; also can avoid water stain the entering in the outer guide duct of melting; even the Trace water stain has entered outer guide duct; under strong warm braw effect; water stainly also can be dried very soon, after the wiper scraping article was thawed fully, outer guide duct was in off condition; protection structure energy autoshutdown, and then the air outlet of the outer guide duct of sealing.
In above-mentioned thawing unit for automobile windscreen wiper, described protection structure comprises the check valve that is connected to outer guide duct air outlet inboard and the screen cloth that is positioned at the air outlet place of outer guide duct.
In above-mentioned thawing unit for automobile windscreen wiper, described protection structure comprises the screen cloth at the air outlet place that is positioned at outer guide duct and is positioned at the baffle plate that the screen cloth outside can hide air outlet and can form with the air outlet outer rim sealing that one side of described baffle plate is fixed on the outer guide duct; Described screen cloth is fixed on the outer guide duct.
In above-mentioned thawing unit for automobile windscreen wiper, described baffle plate adopts elastomeric material to make.After outer guide duct stopped blowing, the baffle plate of protection in the structure again was resisted against on the end face of outer guide duct and forms sealing under the effect of gravity and self elastic force.When outer guide duct was in the air feed state, the air flow energy in the outer guide duct blew baffle plate open, can not affect normally blowing out of warm braw air-flow thus.
In above-mentioned thawing unit for automobile windscreen wiper, the upper limb of described baffle plate is connected mutually with the upper limb of outer guide duct air outlet.
In above-mentioned thawing unit for automobile windscreen wiper, 1～3 of the quantity of described outer guide duct.
In above-mentioned thawing unit for automobile windscreen wiper, it also comprises interior guide duct, the control mechanism two of guide duct connected state in described interior guide duct is provided with and can controls, one end of described interior guide duct can communicate with the air conditioning exhausting pipe, and the other end of interior guide duct has the inboard that air outlet and this end are positioned at edge under the front windshield.
In above-mentioned thawing unit for automobile windscreen wiper, described control mechanism two comprises the electromagnetic valve that is connected on the interior guide duct, and the described electromagnetic valve first line of a couplet is connected to master cock.
In above-mentioned thawing unit for automobile windscreen wiper, described outer guide duct and interior guide duct are fixed on the vehicle body.
Compared with prior art, this thawing unit for automobile windscreen wiper has the following advantages:
1, the employing of this thawing apparatus is to adopt strong warm braw directly to blow to wiper doctor-bar to freeze to locate, therefore have the efficient of thawing height, save the trip time, the advantage that meets people's rule of life can with the water evaporation of melting, avoid all the other positions again to freeze in course of defrosting simultaneously again.
2, this thawing apparatus includes only outer guide duct and interior guide duct, therefore have simple in structure, the low and advantage that can in different automobile types, use of productive costs.
3, this thawing apparatus is only manually operated by chaufeur, therefore has advantage easy to use and can avoid energy dissipation and the generation of automatically actuated situation.
4, the fender guard at guide duct air outlet place, this thawing apparatus China and foreign countries can avoid foreign material to enter in the outer guide duct, therefore has advantage safe to use, long service life.
Description of drawings
Fig. 1 is the perspective view of this thawing unit for automobile windscreen wiper on automobile.
Fig. 2 is the perspective view of this thawing unit for automobile windscreen wiper.
Fig. 3 is the local structure for amplifying scheme drawing in the air outlet place of this thawing unit for automobile windscreen wiper.
Fig. 4 is the perspective view of baffle plate and screen cloth in this thawing unit for automobile windscreen wiper.
Fig. 5 is the perspective view of screen cloth in this thawing unit for automobile windscreen wiper.
Among the figure, 1, outer guide duct; 2, guiding valve; 3, pull bar; 4, the section of successively decreasing; 5, baffle plate; 6, screen cloth; 7, vehicle body.
The specific embodiment
Below be specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As depicted in figs. 1 and 2, automobile comprises vehicle body 7, is fixed with air-conditioning, front windshield and wiper on the vehicle body 7, and this thawing unit for automobile windscreen wiper is mainly used in making the wiper that is frozen on the front windshield to thaw.It comprises outer guide duct 1, control mechanism one, interior guide duct, control mechanism two and protection structure.
Specifically, to shown in Figure 5, the quantity of outer guide duct 1 and interior guide duct is 1～3 such as Fig. 2.It is preferably two, and then outer guide duct 1 and interior guide duct are all along the longitudinal vehicle axis setting.
Control mechanism one is used for outer guide duct 1 connected state of control, and control mechanism two is used for guide duct connected state in the control.More particularly, the structure of control mechanism one and control mechanism two can be identical, is connected with pull bar 3 on the valve rod of guiding valve 2.The operator spur according to actual needs or pushing drawing rod 3 just controlled guide duct processed (interior and outer) be in and be communicated with or off condition.
Can also adopt another kind of mechanism to control the guide duct connected state according to actual conditions control mechanism one and control mechanism two.Control mechanism one and control mechanism two include the electromagnetic valve that is connected on the corresponding guide duct (interior and outer), and the electromagnetic valve first line of a couplet is connected to master cock, and it is indoor that master cock is fixed on car.
Outer guide duct 1 and interior guide duct are fixed on the vehicle body 7; One end of outer guide duct 1 and an end of interior guide duct all communicate with the air conditioning exhausting pipe, and the other end of interior guide duct has air outlet, and this air outlet is strip.The other end of interior guide duct is positioned at the bottom of front windshield inboard, the air outlet of interior guide duct is relative with the windshield face and substantially cover Windshield from the air flow energy that air outlet blows out, and lateral axis is horizontally disposed with, and the outlet air end of interior guide duct has the diminishing section 4 of successively decreasing.In order to prevent that larger foreign material from falling in the interior guide duct, so be provided with screen cloth 6 at the air outlet place of interior guide duct.
The other end of outer guide duct 1 has air outlet, and this air outlet is strip.The other end of outer guide duct 1 is positioned at the bottom in the front windshield outside, and lateral axis is horizontally disposed with, and the outlet air end of outer guide duct 1 has the diminishing section 4 of successively decreasing.The air outlet of outer guide duct 1 is installed in the cabin cover, and is relative with the Windshield outer lower portion, and when the scraping blade of wiper was positioned at the extreme lower position state, scraping blade was relative with the air outlet of outer guide duct 1, and the air flow energy that blows out from air outlet covers the scraping blade of wiper substantially.
The air outlet place of outer guide duct 1 is provided with the protection structure that prevents that foreign material and sewage from entering.More particularly, the protection structure comprises the screen cloth 6 at the air outlet place that is positioned at outer guide duct 1 and is positioned at the baffle plate 5 that screen cloth 6 outsides can hide air outlet and can form with the air outlet outer rim sealing that screen cloth 6 is fixed on the outer guide duct 1.The upper limb of baffle plate 5 is connected mutually with the upper limb of outer guide duct air outlet, and baffle plate 5 adopts elastomeric materials to make, and has certain elasticity and flintiness, through warm braw repeatedly blow, freezing weather and do not affect its function.Baffle plate 5 can form sealing when leaning with the air outlet outer rim.According to actual conditions, the edge in the both sides of the edge of baffle plate 5 is connected mutually with the corresponding edge of outer guide duct air outlet.The protection structure can avoid foreign material to enter in the outer guide duct 1 when outer guide duct is in off condition.
According to the actual conditions needs, the protection structure can also adopt another kind of structure.The protection structure comprises the check valve that is connected to outer guide duct 1 air outlet inboard and the screen cloth 6 that is positioned at the air outlet place of outer guide duct 1.
Utilize freezing can the carrying out as follows on this thawing unit for automobile windscreen wiper releasing wiper.Chaufeur finds that the scraping blade of wiper is frozen on the front windshield and need to handle wiper this moment, then starts automobile mounted air-conditioning, blows to front windshield, and air quantity is transferred to maximum.Operating control mechanism one and control mechanism two make outer guide duct 1 and interior guide duct all be in connected state or independent control mechanism one makes outer guide duct 1 be in connected state; then protect structure automatically to open under pressure and strong warm braw blows to wiper scraping article and the front windshield place that leans, freezing fast thawing under warm braw direct effect by force.Because the pressure in the outer guide duct 1 is higher; can avoid thus water stain the entering in the outer guide duct 1 of melting, even the Trace water stain has entered outer guide duct 1, under strong warm braw effect, be dried soon; thus, can avoid equally also that foreign material enter in the outer guide duct 1 when fender guard is opened.After the wiper scraping article is thawed fully; just operating control mechanism one makes outer guide duct 1 be in off condition again; avoid thus energy dissipation, protect simultaneously baffle plate 5 in the structure under the effect of gravity and self elastic force, again be resisted against on the end face of outer guide duct 1 and form sealing.
Specific embodiment described herein only is to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has more used outer guide duct 1; Guiding valve 2; Pull bar 3; The section 4 of successively decreasing; Baffle plate 5; Screen cloth 6 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (10)
1. thawing unit for automobile windscreen wiper, automobile comprises vehicle body (7), vehicle body is fixed with air-conditioning on (7), front windshield and wiper, it is characterized in that, this thawing apparatus comprises outer guide duct (1), described outer guide duct (1) is provided with the control mechanism one that can control outer guide duct (1) connected state, one end of described outer guide duct (1) can communicate with the air conditioning exhausting pipe, the other end of outer guide duct (1) has the bottom that air outlet and this end are positioned at the front windshield outside, and scraping blade is relative with the air outlet of outer guide duct (1) when the scraping blade of wiper is positioned at the extreme lower position state.
2. thawing unit for automobile windscreen wiper according to claim 1 is characterized in that, described control mechanism one comprises the electromagnetic valve that is connected on the outer guide duct (1), and the described electromagnetic valve first line of a couplet is connected to master cock.
3. thawing unit for automobile windscreen wiper according to claim 1 is characterized in that, described control mechanism one comprises the guiding valve (2) that is connected on the outer guide duct (1), is connected with pull bar (3) on the valve rod of described guiding valve (2).
4. according to claim 1 and 2 or 3 described thawing unit for automobile windscreen wipers, it is characterized in that the air outlet of described outer guide duct (1) all is strip, and lateral axis is horizontally disposed with; The outlet air end of described outer guide duct (1) has the diminishing section of successively decreasing (4).
5. according to claim 1 and 2 or 3 described thawing unit for automobile windscreen wipers, it is characterized in that the air outlet place of described outer guide duct (1) is provided with and prevents that foreign material from entering the protection structure in the outer guide duct (1).
6. thawing unit for automobile windscreen wiper according to claim 5 is characterized in that, described protection structure comprises the check valve that is connected to outer guide duct (1) air outlet inboard and is positioned at the screen cloth (6) at the air outlet place of outer guide duct (1).
7. thawing unit for automobile windscreen wiper according to claim 5, it is characterized in that, described protection structure comprises the screen cloth (6) at the air outlet place that is positioned at outer guide duct (1) and is positioned at the baffle plate (5) that screen cloth (6) outside can hide air outlet and can form with the air outlet outer rim sealing that a side of described baffle plate (5) is fixed on the outer guide duct (1); Described screen cloth (6) is fixed on the outer guide duct (1).
8. thawing unit for automobile windscreen wiper according to claim 7 is characterized in that, described baffle plate (5) adopts elastomeric material to make.
9. thawing unit for automobile windscreen wiper according to claim 7 is characterized in that, the upper limb of described baffle plate (5) is connected mutually with the upper limb of outer guide duct (1) air outlet.
10. thawing unit for automobile windscreen wiper according to claim 7 is characterized in that, 1～3 of the quantity of described outer guide duct (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110137746 CN102275485B (en) | 2011-05-26 | 2011-05-26 | Thawing unit for automobile windscreen wiper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110137746 CN102275485B (en) | 2011-05-26 | 2011-05-26 | Thawing unit for automobile windscreen wiper |
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| Publication Number | Publication Date |
|---|---|
| CN102275485A CN102275485A (en) | 2011-12-14 |
| CN102275485B true CN102275485B (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110137746 Active CN102275485B (en) | 2011-05-26 | 2011-05-26 | Thawing unit for automobile windscreen wiper |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105480053B (en) * | 2016-02-25 | 2018-09-21 | 北京汽车研究总院有限公司 | A kind of automobile |
| CN109435896B (en) * | 2018-12-06 | 2024-03-12 | 浙江兄弟之星汽配有限公司 | Can accomodate novel car wiper that has water spray defrosting function |
| CN115366846B (en) * | 2021-05-19 | 2025-01-07 | 上汽通用汽车有限公司 | Vehicle window, vehicle wiper control system and method, storage medium and vehicle |
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| US4549471A (en) * | 1983-11-04 | 1985-10-29 | General Motors Corporation | Defroster system for use in motor vehicles |
| CN1078432A (en) * | 1992-05-14 | 1993-11-17 | 张燕 | Multi-function protective device for automobile |
| CN2451422Y (en) * | 2000-10-28 | 2001-10-03 | 程延军 | Electric heating windscreen wiper |
| CN1537760A (en) * | 2003-04-14 | 2004-10-20 | 现代自动车株式会社 | Defroster device for vehicle |
| CN1984513A (en) * | 2005-12-16 | 2007-06-20 | 比亚迪股份有限公司 | Defreezer and defreezing method for wiper and automobile therewith |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040134995A1 (en) * | 2003-01-15 | 2004-07-15 | Keeler Russell M. | Vehicle windshield ice and snow melt system |
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2011
- 2011-05-26 CN CN 201110137746 patent/CN102275485B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4549471A (en) * | 1983-11-04 | 1985-10-29 | General Motors Corporation | Defroster system for use in motor vehicles |
| CN1078432A (en) * | 1992-05-14 | 1993-11-17 | 张燕 | Multi-function protective device for automobile |
| CN2451422Y (en) * | 2000-10-28 | 2001-10-03 | 程延军 | Electric heating windscreen wiper |
| CN1537760A (en) * | 2003-04-14 | 2004-10-20 | 现代自动车株式会社 | Defroster device for vehicle |
| CN1984513A (en) * | 2005-12-16 | 2007-06-20 | 比亚迪股份有限公司 | Defreezer and defreezing method for wiper and automobile therewith |
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| CN102275485A (en) | 2011-12-14 |
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