CN111346859A - Cleaner capable of spraying water and automatically blowing air - Google Patents
Cleaner capable of spraying water and automatically blowing air Download PDFInfo
- Publication number
- CN111346859A CN111346859A CN201811571957.6A CN201811571957A CN111346859A CN 111346859 A CN111346859 A CN 111346859A CN 201811571957 A CN201811571957 A CN 201811571957A CN 111346859 A CN111346859 A CN 111346859A
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- Prior art keywords
- liquid
- cavity
- gas
- air
- outlet
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000005507 spraying Methods 0.000 title claims abstract description 44
- 238000007664 blowing Methods 0.000 title claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 95
- 239000007921 spray Substances 0.000 claims abstract description 20
- 238000011084 recovery Methods 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 description 12
- 238000004140 cleaning Methods 0.000 description 10
- 239000000243 solution Substances 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- Nozzles (AREA)
Abstract
A washer capable of spraying water and automatically blowing air, comprising: the cleaner body comprises a cavity body which is divided into a liquid cavity and a gas cavity by a piston, and a liquid inlet of the liquid cavity is communicated with the liquid cavity of the cavity body and is controlled to be switched on and off by a control valve; the air inlet of the air cavity is connected with the atmosphere through a one-way air inlet valve; the elastic restoring piece is arranged in the gas cavity, one end of the elastic restoring piece is connected with the wall of the gas cavity, and the other end of the elastic restoring piece is connected with the piston; the inlet of the one-way air outlet valve is communicated with the air cavity, and the air outlet of the one-way air outlet valve is communicated with the outlet; the inlet of the one-way liquid outlet valve is communicated with the liquid outlet of the liquid cavity, and the liquid outlet of the one-way liquid outlet valve is communicated with the outlet; when the liquid cavity feeds liquid, the liquid opens the one-way liquid outlet valve to spray out the liquid from the outlet, and simultaneously pushes the piston to compress the gas in the gas cavity, the elastic recovery piece is compressed, and the gas in the gas cavity is pressurized; when the liquid stops entering, the one-way air outlet valve is opened to spray out the compressed gas from the outlet.
Description
Technical Field
The invention relates to a cleaner capable of spraying water and automatically blowing air.
Background
The existing cleaner is generally used for directly spraying liquid to clean parts or articles to be cleaned, water drops are easily left on the parts or articles to be cleaned, and other mechanisms or means such as scrubbing, drying and the like are still needed to remove the water drops, so that the cleaning effect is general, and particularly, the use is limited when parts with higher requirements, such as automobile sensors, radars and other products, are cleaned. If a separate blowing mechanism is used, the structure is complicated and the cost is high.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a cleaner capable of spraying water and automatically blowing air, so that the cleaner can spray water for cleaning and blow air to dry the cleaned objects.
The technical scheme adopted by the invention for solving the problems is as follows:
a washer capable of spraying water and automatically blowing air, comprising:
a washer body comprising:
the cavity is divided into a liquid cavity and a gas cavity by the piston, and a liquid inlet of the liquid cavity is communicated with the liquid cavity of the cavity and is controlled to be switched on and off by a control valve; the air inlet of the air cavity is connected with the atmosphere through a one-way air inlet valve;
the elastic restoring piece is arranged in the gas cavity, one end of the elastic restoring piece is connected with the wall of the gas cavity, and the other end of the elastic restoring piece is connected with the piston;
the inlet of the one-way air outlet valve is communicated with the air cavity, and the air outlet of the one-way air outlet valve is communicated with the outlet;
the inlet of the one-way liquid outlet valve is communicated with the liquid outlet of the liquid cavity, and the liquid outlet of the one-way liquid outlet valve is communicated with the outlet;
when the liquid cavity feeds liquid, the liquid opens the one-way liquid outlet valve to spray out the liquid from the outlet, and simultaneously pushes the piston to compress the gas in the gas cavity, the elastic recovery piece is compressed, and the gas in the gas cavity is pressurized; when liquid stops entering, the one-way gas outlet valve is opened and compressed gas is sprayed out from the outlet, meanwhile, the elastic restoring piece pushes the piston to reset, the gas pressure in the gas cavity is reduced, and the gas inlet cavity enters gas from the one-way gas inlet valve.
Preferably, the one-way liquid outlet valve comprises a water spraying valve sleeve and a water spraying valve rod, wherein a liquid outlet channel is arranged in the water spraying valve rod, a water outlet of the liquid outlet channel is arranged on the circumference of the water spraying valve rod, and the water spraying valve sleeve is tightly sleeved on the water spraying valve rod to seal the water outlet hole.
Preferably, the one-way air outlet valve comprises an air injection valve sleeve and an air injection valve rod, wherein an air outlet channel is arranged in the air injection valve rod, an air outlet of the air outlet channel is arranged on the circumference of the air injection valve rod, and the air injection valve sleeve is tightly sleeved on the air injection valve rod to seal the air outlet.
Preferably, the cavity is also provided with an outlet area, the one-way gas outlet valve and the one-way liquid outlet valve are arranged in the cavity, the space outside the water spray valve and the gas spray valve is connected into a whole and is provided with a spray port, when the liquid is fed into the liquid cavity, the liquid pushes away the one-way liquid outlet valve to fill the outlet area and is sprayed out from the spray port, the pressure is added outside the one-way gas outlet valve, meanwhile, the piston is pushed to compress the gas in the gas cavity, the elastic recovery part is compressed, and the gas pressure in the gas cavity is increased but does not reach the; when the liquid stops entering, the liquid pressure in the outlet area is reduced, the pressure in the gas cavity breaks through the resistance of the gas injection valve to spray compressed gas, and water drops on the cleaned object are blown and dried.
Preferably, the gas chamber is divided into a compression region and a gas storage region, the gas storage region has a smaller cross-section, and the compression region and the gas storage region are communicated through a communication hole.
Preferably, the gas cavity is communicated with the inlet of the one-way gas outlet valve of the outlet area through a compressed air pipe, the compressed air pipe is arranged in the middle of the cavity, and the piston is sleeved on the compressed air pipe, so that the piston can be positioned and guided by the gas communicating pipe.
Preferably, the control valve is a solenoid valve.
Preferably, the cleaner body comprises a cleaner end cover and a cleaner housing, and the cleaner end cover is fixed on the cleaner housing, so that the cleaner is convenient to mount.
Preferably, the piston comprises a piston ring and a piston ring bracket, and the piston ring is connected with the piston ring bracket through a buckle.
The invention has the advantages that: because the purger liquid pressure converts gaseous compressive force into when will intaking, can produce compressed air simultaneously when wasing with liquid, utilizes compressed air to weather again, and does not need other solitary high pressurized air source, consequently, its simple structure, convenient operation, the cleaning performance is good, and is with low costs moreover.
Drawings
Fig. 1 is a schematic view of the overall structure of a washer capable of spraying water and automatically blowing air according to an embodiment of the present invention.
FIG. 2 is a schematic view of the washer of the present invention when spraying water.
Fig. 3 is a schematic structural diagram of the washer of the embodiment of the invention during air injection.
Fig. 4 is an exploded view of the washer combined with the radar according to the embodiment of the present invention.
Fig. 5 is a perspective view of a washer combined with a radar according to an embodiment of the present invention.
Detailed Description
The invention is further explained by the embodiment in the following with the attached drawings.
As shown in fig. 1, 2 and 3, the main body of the washer 50 is a cylindrical body, and includes a washer end cover 504 and a washer housing 5014, and the washer end cover 504 is fixed to the washer housing 5014.
A water inlet channel 5029 is arranged on the end cover 504 of the cleaner, one end of the water inlet channel 5029 is a water inlet 5027, the water inlet channel 5027 is connected with an external water inlet pipe for water inlet, the other end of the water inlet channel is provided with an electromagnetic valve 5034, and the other end of the water inlet channel is opened or closed through a membrane 5028 of the electromagnetic valve 5034.
The solenoid valve 5034 and the washer end cover 504 may be integrally combined with each other, or may be directly combined together.
A one-way valve core 5025 and a one-way valve spring 5024 are arranged in the water inlet channel 5029, the one-way valve core 5025 seals the water inlet 5027 through the one-way valve spring 5024, and therefore the water inlet 5027 can be closed when the electromagnetic valve 5034 does not close the water inlet channel.
The middle of the one-way valve core 5025 is also provided with a valve core return hole 5026 which is communicated with the liquid and the outlet in the water inlet channel 5029, when the piston moves upwards, the liquid in the liquid cavity can flow out from the water inlet 5027 from inside to outside through the valve core return hole 5026, and therefore the piston can be reset.
The end cover 504 of the cleaner is also provided with a closed outlet area with a cleaner outlet 505, the outlet area is internally provided with a one-way liquid outlet valve and a one-way air blowing valve which are supported by the mounting seat 501, the space 5031 outside the one-way liquid outlet valve and the one-way air blowing valve are connected into a whole and communicated with the cleaner outlet 505, the inlet 5090 of the one-way liquid outlet valve is communicated with the liquid cavity, the inlet 5091 of the one-way air blowing valve is communicated with the sealed space 5092 formed between the mounting seat 501 and the fixing plate 5032, and the sealed space 5092 is communicated with the inner cavity of the compressed air pipe 5016 through a through hole 50161 at the upper part of the compressed air pipe 5016.
The one-way liquid outlet valve comprises a water spraying valve sleeve 509 and a water spraying valve rod 506, wherein a liquid outlet channel is arranged in the water spraying valve rod, a water outlet hole 508 of the liquid outlet channel is arranged on the circumference of the water spraying valve rod, and the water spraying valve sleeve 509 is tightly sleeved on the water spraying valve rod to seal the water outlet hole 508.
The one-way air blowing valve comprises an air blowing valve sleeve 507 and an air blowing valve rod 502, wherein an air outlet channel 502 is arranged in the air blowing valve rod, an air outlet hole 503 of the air outlet channel is arranged on the circumference of the air blowing valve rod, and the air blowing valve sleeve is tightly sleeved on the air blowing valve rod to seal the air outlet hole 503.
In the outlet zone, normally, neither gas nor liquid can be ejected.
When the liquid is pumped, the pressure of the liquid in the liquid chamber can overcome the resistance of the water spray valve sleeve 509, the liquid is sprayed from the water outlet hole 508 and filled in the space 5031, and then the liquid in the space 5031 forms a pressure on the air spray valve sleeve 507, so that the compressed gas in the gas chamber is prevented from being sprayed from the air spray valve sleeve 507.
When the pumping of the liquid is stopped, the pressure of the liquid in the liquid chamber is reduced, so that the resistance of the water spraying valve sleeve 509 cannot be flushed away, the hydraulic pressure of the space 5031 to the air spraying valve sleeve 507 is eliminated, and the compressed gas overcomes the resistance of the air spraying valve sleeve 507 and is sprayed out from the outlet 505 of the cleaner.
The inside of the cleaner housing 5014 is divided into an upper part and a lower part by a piston, the upper part is sealed by the cleaner end cover 504, and the inner cavity of the upper part is communicated with the inside of the cleaner end cover 504 to form a liquid cavity; an inward boss 5030 is arranged at the bottom of the lower part of the cleaner shell, an air inlet channel 50301 is arranged in the boss 5030, the air inlet channel 50301 is sealed by a one-way air inlet valve, and an air inlet of the air inlet channel is communicated with the ambient atmosphere.
The one-way intake valve of the present embodiment includes: the air inlet diaphragm 5018 and the air inlet seat 5020 are arranged, the bottom surface of the air inlet diaphragm 5018 is provided with a sealing conical surface 5019 which is aligned to an air inlet 5021 on the air inlet seat, the air inlet 5021 is communicated with the atmosphere, the air inlet diaphragm 5018 is provided with a negative pressure air inlet 5022 which is communicated with an upper air passage and a lower air passage, and the air inlet seat 5020 is fixed in the air inlet passage 50301. When the top surface of inlet diaphragm 5018 is compressed, sealing cone 5019 seals inlet 5021 and compresses the gas in the gas chamber and compressed gas tube 5016. When the gas injection pressure in the gas chamber drops, atmospheric air pushes the sealing taper 5019 of the inlet diaphragm 5018 away from the inlet passage 50301 to replenish air into the compressed gas line and the gas chamber through the negative pressure inlet 5022 on the inlet diaphragm 5018.
The top surface of the boss 5030 is provided with a groove for fixing the lower end of the compressed air pipe 5016, and the upper part of the compressed air pipe 5016 is limited and sealed by the mounting seat 501 of the cleaner end cover 504 and the fixing plate 5032.
The upper end through hole 50161 of the compressed air pipe 5016 is communicated with the sealing space 5092 in the end cover, the lower end is provided with an air communicating hole 5017, and the gas in the air cavity can enter the inner cavity of the compressed air pipe 5016 through the communicating hole 5017, thereby forming an air injection loop of the air cavity, the compressed air pipe 5016, the sealing space 5092 and the one-way air blowing valve.
Piston spring 5015 is sleeved outside the boss, the upper end of piston spring 5015 is connected with the bottom surface of the piston, and the lower end of piston spring 5015 is limited by the bottom edge of the inner wall of the cleaner shell, so that piston spring 5015 can be positioned better.
The piston of the embodiment comprises a piston ring 5010 and a piston ring bracket 5012, wherein the piston ring 5010 is connected with the piston ring bracket 5012 through a buckle, the piston ring 5010 and the piston ring bracket 5012 are sleeved on a compressed air pipe 5016 and can move up and down, the piston ring 5010 and the compressed air pipe 5016 are sealed through a sealing ring 5011, the piston ring 5010 and a cleaning machine shell 5014 are sealed through a sealing ring 5013, and the sealing ring 5011 and the sealing ring 5013 are both arranged on the sealing ring 5010.
When the cleaner sprays water, when the water pump receives a control signal and starts to work, cleaning solution is pumped into a water inlet 5027 of the cleaner, a one-way valve core 5025 is pushed and a one-way valve spring 5024 is compressed, the cleaning solution flows in, meanwhile, an electromagnetic valve 5034 also receives the control signal and starts to work, a diaphragm of the electromagnetic valve moves upwards, the cleaning solution enters a housing of the cleaner and then fills a liquid cavity, a water spraying valve sleeve 509 is flushed from a water outlet of a water spraying valve, the cleaning solution is sprayed out from a water spraying valve through an outlet 505 of the cleaner, the cleaning solution pushes a piston ring to move downwards while spraying the cleaning solution, air in a compressed gas cavity enters a compressed air pipe 5016 from a vent hole of the compressed air pipe 5016, the air inlet hole of the air inlet seat is sealed by the air pressure air inlet diaphragm sealing conical surface, and. The washing liquid can flow to the outer side of the air blowing valve sleeve to form external pressure on the valve sleeve while being sprayed, and at the moment, the air valve cannot be opened.
When the cleaner blows, the water pump receives a control signal to stop working, the pressure of washing liquid in the cleaner shell is reduced, the water spraying valve sleeve is closed, no washing liquid is sprayed out of the water spraying valve, compressed air in the air blowing valve opens the air blowing valve sleeve from the air blowing valve hole due to the loss of the pressure of the washing liquid on the outer side of the air blowing valve sleeve, and the compressed air flows out of the air blowing valve and is blown out through the cleaner outlet. After the pressure of washing liquid in the cleaner shell is reduced, the sealing conical surface of the air inlet diaphragm is not sealed any more, the air outside the cleaner flows in from the air inlet of the air inlet seat and then enters the air cavity of the cleaner shell through the negative pressure air inlet, the one-way valve core is pushed by the one-way valve spring at the water inlet end of the cleaner end cover to move, the one-way valve is closed, but the washing liquid can slowly flow out through the backflow hole of the valve core, and at the moment, the piston ring moves to the initial position under the action of the piston ring.
As shown in fig. 4 and 5, the cleaner can be combined with radar when in use.
The combined radar 30 is characterized in that the radar 302 is installed on a mounting hole 304 of a support 305, the nozzle 303 is installed on another position of the support 305, and the nozzle 303 is aligned with the radar 302 so as to clean the radar 302.
The nozzle 303 is installed on the outlet 505 of the end cover 504 of the cleaner, the solenoid valve insert 5033 is connected with the solenoid valve 5034, and the solenoid valve 5034 controls the opening and closing of the cleaner.
The solenoid valve control line 5023 and the radar transmission line 3010 are directly connected with the controller control line 206 through the connector 301, so that the connection is convenient, fast and simple.
The solenoid valve 5034 and the washer cover 504 may be directly combined together, or may have another opening/closing mechanism.
Claims (9)
1. The utility model provides a purger that can spray water and blow automatically which characterized in that: it includes:
a washer body comprising:
the cavity is divided into a liquid cavity and a gas cavity by the piston, and a liquid inlet of the liquid cavity is communicated with the liquid cavity of the cavity and is controlled to be switched on and off by a control valve; the air inlet of the air cavity is connected with the atmosphere through a one-way air inlet valve;
the elastic restoring piece is arranged in the gas cavity, one end of the elastic restoring piece is connected with the wall of the gas cavity, and the other end of the elastic restoring piece is connected with the piston;
the inlet of the one-way air outlet valve is communicated with the air cavity, and the air outlet of the one-way air outlet valve is communicated with the outlet;
the inlet of the one-way liquid outlet valve is communicated with the liquid outlet of the liquid cavity, and the liquid outlet of the one-way liquid outlet valve is communicated with the outlet;
when the liquid cavity feeds liquid, the liquid opens the one-way liquid outlet valve to spray out the liquid from the outlet, and simultaneously pushes the piston to compress the gas in the gas cavity, the elastic recovery piece is compressed, and the gas in the gas cavity is pressurized; when liquid stops entering, the one-way gas outlet valve is opened and compressed gas is sprayed out from the outlet, meanwhile, the elastic restoring piece pushes the piston to reset, the gas pressure in the gas cavity is reduced, and the gas inlet cavity enters gas from the one-way gas inlet valve.
2. The washer capable of spraying water and automatically blowing air according to claim 1, wherein: the one-way liquid outlet valve comprises a water spraying valve sleeve and a water spraying valve rod, a liquid outlet channel is arranged in the water spraying valve rod, a water outlet of the liquid outlet channel is arranged on the circumference of the water spraying valve rod, and the water spraying valve sleeve is tightly sleeved on the water spraying valve rod to seal a water outlet hole; the one-way air outlet valve comprises an air injection valve sleeve and an air injection valve rod, an air outlet channel is arranged in the air injection valve rod, an air outlet of the air outlet channel is arranged on the circumference of the air injection valve rod, and the air injection valve sleeve is tightly sleeved on the air injection valve rod to seal an air outlet hole.
3. The washer capable of spraying water and automatically blowing air according to claim 2, wherein: the cavity is also provided with an outlet area, the one-way gas outlet valve and the one-way liquid outlet valve are arranged in the cavity, the space outside the water spray valve and the gas spray valve is connected into a whole and is provided with a spray port, liquid is pushed to push the one-way liquid outlet valve to fill the outlet area when the liquid is fed into the liquid cavity and is sprayed out from the spray port, the pressure is added outside the one-way gas outlet valve, meanwhile, the piston is pushed to compress gas in the gas cavity, the elastic recovery part is compressed, and the gas pressure in the gas cavity is increased but does not reach the; when the liquid stops entering, the liquid pressure in the outlet area is reduced, the pressure in the gas cavity breaks through the resistance of the gas injection valve to spray compressed gas, and water drops on the cleaned object are blown and dried.
4. A washer capable of spraying water and automatically blowing air according to claim 1 or 2, wherein: the gas cavity is communicated with the inlet of the one-way air outlet valve of the outlet area through a compressed air pipe, the compressed air pipe is arranged in the middle of the cavity, and the piston is sleeved on the compressed air pipe.
5. A washer capable of spraying water and automatically blowing air according to claim 1 or 2, wherein: the cleaner main body comprises a cleaner end cover and a cleaner shell, and the cleaner end cover is fixed on the cleaner shell.
6. A washer capable of spraying water and automatically blowing air according to claim 1 or 2, wherein: the piston comprises a piston ring and a piston ring bracket, and the piston ring is connected with the piston ring bracket through a buckle.
7. The washer capable of spraying water and automatically blowing air according to claim 6, wherein: the control valve is an electromagnetic valve.
8. A washer capable of spraying water and automatically blowing air according to claim 1 or 2, wherein: the gas cavity is divided into a compression area and a gas storage area, the section of the gas storage area is smaller, and the compression area is communicated with the gas storage area through a communication hole.
9. A washer capable of spraying water and automatically blowing air according to claim 1 or 2, wherein: the one-way intake valve includes: the air inlet diaphragm is provided with a negative pressure air inlet hole which is communicated with the upper air passage and the lower air passage, and the air inlet seat is fixed in the air inlet channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811571957.6A CN111346859A (en) | 2018-12-21 | 2018-12-21 | Cleaner capable of spraying water and automatically blowing air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811571957.6A CN111346859A (en) | 2018-12-21 | 2018-12-21 | Cleaner capable of spraying water and automatically blowing air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111346859A true CN111346859A (en) | 2020-06-30 |
Family
ID=71188232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811571957.6A Pending CN111346859A (en) | 2018-12-21 | 2018-12-21 | Cleaner capable of spraying water and automatically blowing air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111346859A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1259273A (en) * | 1960-06-09 | 1961-04-21 | Trico Folberth Ltd | Advanced washer fluid |
| CN103543228A (en) * | 2013-10-28 | 2014-01-29 | 徐继承 | Sampling evaporator comprising atmosphere balancing device and used for low-pressure liquefied gas inspection |
| CN106232437A (en) * | 2014-02-14 | 2016-12-14 | 考特克斯·特克斯罗恩有限公司及两合公司 | Air and fluid cleaning system and for the method cleaning Vehicular visual device |
| CN110270539A (en) * | 2019-04-30 | 2019-09-24 | 宁波恒帅微电机有限公司 | The washer of automatic liquid-spraying and air blowing |
| CN209502385U (en) * | 2018-12-21 | 2019-10-18 | 宁波恒帅微电机有限公司 | A kind of washer that can be sprayed water with automatic air blowing |
| CN111348002A (en) * | 2018-12-21 | 2020-06-30 | 宁波恒帅股份有限公司 | Optical sensor and radar active cleaning device for vehicle |
-
2018
- 2018-12-21 CN CN201811571957.6A patent/CN111346859A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1259273A (en) * | 1960-06-09 | 1961-04-21 | Trico Folberth Ltd | Advanced washer fluid |
| CN103543228A (en) * | 2013-10-28 | 2014-01-29 | 徐继承 | Sampling evaporator comprising atmosphere balancing device and used for low-pressure liquefied gas inspection |
| CN106232437A (en) * | 2014-02-14 | 2016-12-14 | 考特克斯·特克斯罗恩有限公司及两合公司 | Air and fluid cleaning system and for the method cleaning Vehicular visual device |
| CN209502385U (en) * | 2018-12-21 | 2019-10-18 | 宁波恒帅微电机有限公司 | A kind of washer that can be sprayed water with automatic air blowing |
| CN111348002A (en) * | 2018-12-21 | 2020-06-30 | 宁波恒帅股份有限公司 | Optical sensor and radar active cleaning device for vehicle |
| CN110270539A (en) * | 2019-04-30 | 2019-09-24 | 宁波恒帅微电机有限公司 | The washer of automatic liquid-spraying and air blowing |
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