CN106809176B - Rail locomotive vehicle Pneumatic window cleaner spray system - Google Patents
Rail locomotive vehicle Pneumatic window cleaner spray system Download PDFInfo
- Publication number
- CN106809176B CN106809176B CN201610413597.1A CN201610413597A CN106809176B CN 106809176 B CN106809176 B CN 106809176B CN 201610413597 A CN201610413597 A CN 201610413597A CN 106809176 B CN106809176 B CN 106809176B
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- valve
- water
- spray
- air
- windshield wiper
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
- B60S1/48—Liquid supply therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
- B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Nozzles (AREA)
Abstract
The present invention relates to windshield wiper spray systems domain more particularly to a kind of rail locomotive vehicle windshield wiper control systems.A kind of rail locomotive vehicle Pneumatic window cleaner spray system, including gas source switch valve, air way switch valve or gate valve, spray control air valve, cistern assembly, nozzle component, windshield wiper and windshield wiper control valve group；First gas outlet of air way switch valve is communicated to the water suction air inlet of spray control air valve；Or two air inlets of gate valve are respectively communicated with the second gas outlet of air way switch valve and the gas outlet of windshield wiper control valve group or the gas outlet of gate valve and are communicated to the control mouth of windshield wiper；The draining air inlet of spray control air valve is connected in parallel on the second gas outlet of air way switch valve.The control of windshield wiper and spray is realized using gas circuit control and mechanical action in the present invention, without being driven by electricity, high reliablity, gas circuit will not generate additional noise in use process, both while having realized water spray, automatic starting windshield wiper carries out wiper cleaning, and does not influence the normal use of usually windshield wiper.
Description
Technical field
It is controlled the present invention relates to windshield wiper spray systems domain more particularly to a kind of rail locomotive vehicle with windshield wiper and is
System.
Background technique
In the process of running, the sundries such as dust, winged insect in air can adhere to the glass that keeps out the wind of drivers' cab to rail locomotive vehicle
On glass, the Si Ji Shi lookout visual field is influenced, the windshield wiper with spray system is generally will use and is washed, is cleaned miscellaneous on glass
Object.According to the type classification of driving part, the windshield wiper spray system on rail locomotive vehicle has electric spraying and pneumatic spray
Two types are drenched, electric spraying is using in direct current drive pump handle water injection to drivers' cab windshield, and pneumatically spray is then
Using pneumatic operated valve in water injection to drivers' cab windshield.The windshield wiper spray system master used on existing rail locomotive vehicle
It has the following problems to need to solve: one, because the power supply of rail locomotive vehicular traffic contains excessively high pulse voltage and uses ring
The electric water pump of border rather harsh reason, electric spraying is very easy to damage.Two, electric spraying system noise is bigger, easily
Cause drivers' cab noise pollution.Three, the spray head of windshield wiper spray system is typically mounted on scraping arm, is connected to car body by water pipe
On water outlet connector, water pipe is exposed to outside car body, and when cleaning vehicle, cleaning vehicle washes burnisher and tangles water frequent occurrence
Pipe, makes water pipe fall off or damage.Four, windshield wiper spray system is not carried out the synchronous wiper cleaning of starting windshield wiper in spray
Function causes glass cleaning effect bad, inconvenient.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of rail locomotive vehicle Pneumatic window cleaner spray systems, should
The control of windshield wiper and spray is realized using gas circuit control and mechanical action in spray system, without being driven by electricity, high reliablity,
Gas circuit will not generate additional noise in use process, and spray head is directly anchored on car body, and connection and reasonable arrangement is hardly damaged,
Both while having realized water spray, the automatic windshield wiper that starts carries out wiper cleaning, and does not influence the normal use of usually windshield wiper.
The present invention is implemented as follows: a kind of rail locomotive vehicle Pneumatic window cleaner spray system, including gas source switch
Valve, air way switch valve or gate valve, spray control air valve, cistern assembly, nozzle component, windshield wiper and windshield wiper control valve group；
The air inlet of the gas source switch valve is communicated to gas source；
Gas source switch valve is communicated to after the air inlet of the air way switch valve, windshield wiper and windshield wiper control valve group is in parallel
Gas outlet；
The air way switch valve is provided with the first gas outlet and the second gas outlet is total to two-way gas outlet, and the of air way switch valve
One gas outlet is communicated to the water suction air inlet of spray control air valve；
Described or gate valve two air inlets are respectively communicated with the second gas outlet and the windshield wiper control valve of air way switch valve
The gas outlet of group or the gas outlet of gate valve are communicated to the control mouth of windshield wiper；
The draining air inlet of the spray control air valve is connected in parallel on the second gas outlet of air way switch valve, spray control gas
The water outlet of valve is communicated to the water inlet of nozzle component by spray pipeline, and the water outlet of the cistern assembly is connected by water lines
Lead to the water inlet of spray control air valve.
The air way switch valve is two-position five-way valve, when air inlet is connected to the second gas outlet, the connection of the first gas outlet
To atmosphere；When the first gas outlet is connected to air inlet, the second gas outlet is communicated to atmosphere.
Check valve is also in series on the spray pipeline.
There are two the windshield wiper is total, and it is arranged in parallel.
Exhaust gas intake port is additionally provided in the windshield wiper control valve group, the exhaust outlet of the windshield wiper is communicated to windshield wiper control
The exhaust gas intake port of valve group processed.
The spray control air valve includes valve body, and water suction air inlet, draining air inlet are offered on the valve body
Mouthful, water outlet and water inlet, the hydraulic piston and pneumaticpiston of linkage are provided in valve body, also fixation is set in valve body
It is equipped with water chamber cover board and valve port diaphragm；
The hydraulic piston matches to form water chamber with water chamber cover board, and the pneumaticpiston is separated out suction in valve body
Aqueous vapor room and draining gas chamber, the water suction air inlet are connected to water suction gas chamber；
Water chamber valve port and spray water outlet are offered on the water chamber cover board；The spray water outlet is connected to water outlet,
It is connected between the water chamber valve port and water inlet by intake antrum；
Membrane flexive control mechanism is provided on the valve port diaphragm, the membrane flexive control mechanism is arranged in intake antrum
Interior, the draining air inlet is respectively communicated with the control side of draining gas chamber and membrane flexive control mechanism, the membrane flexive control
The movement side of mechanism processed is matched with water chamber valve port, and when hydraulic piston acts the volume for reducing water chamber, membrane flexive controls machine
Structure drives valve port diaphragm to close water chamber valve port；When hydraulic piston acts the volume for expanding water chamber, membrane flexive control mechanism band
Dynamic valve port diaphragm leaves water chamber valve port.
The cistern assembly includes tank lid, water tank and drip tray, and the tank lid is mounted on tank top, the water receiving
Disk is mounted on water tank bottom, and the water tank bottom is also connected with water outlet connector, and the water receiving pan bottom is connected with drainage joint.
The spray control air valve is fixedly mounted on the side wall of water tank.
The nozzle component includes spray boom, and the water inlet end of the spray boom is connected with water supply connector, the water outlet connection of spray boom
There is spray head, the water inlet end of spray boom is fixedly mounted on car body wallboard by gasket and fastening nut, and the water outlet of spray boom is logical
Circlip and retaining spring is crossed to be hinged and connected with spray head.
Rail locomotive vehicle of the present invention uses gas circuit control with the control of windshield wiper and spray in Pneumatic window cleaner spray system
System and mechanical action are realized, without being driven by electricity, high reliablity, gas circuit will not generate additional noise in use process, and
Spray head is directly anchored on car body, and connection and reasonable arrangement is hardly damaged, and while both having realized water spray, the automatic windshield wiper that starts is carried out
Wiper cleaning, and the normal use of usually windshield wiper is not influenced, meet the needs to the cleaning of Chinese herbaceous peony windshield.
Detailed description of the invention
Fig. 1 is the structure principle chart of rail locomotive vehicle Pneumatic window cleaner spray system of the present invention；
Fig. 2 is the structural schematic diagram of spray control air valve in the present invention；
Fig. 3 is the structural schematic diagram of cistern assembly in the present invention；
Fig. 4 is the structural schematic diagram of nozzle component in the present invention.
In figure: 1 gas source switch valve, 2 air way switch valves, 3 or gate valve, 4 spray control air valves, 5 cistern assemblies, 6 nozzle groups
Part, 7 check valves, 8 windshield wipers, 9 windshield wiper control valve groups, 41 valve bodies, 42 hydraulic pistons, 43 pneumaticpistons, 44 water box covers
Plate, 45 valve port diaphragms, 46 water chambers, 47 water suction gas chambers, 48 draining gas chambers, 49 membrane flexive control mechanisms, 51 tank lid, 52 water
Case, 53 drip trays, 54 water outlet connectors, 55 drainage joints, 61 spray booms, 62 water supply connectors, 63 spray heads, 64 gaskets, 65 fastenings
Nut, 66 car body wallboards, 67 circlips, 68 retaining springs, 411 water suction air inlets, 412 draining air inlets, 413 water outlets, 414 into
The mouth of a river, 415 intake antrums.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after having read the content of the invention stated, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
Embodiment 1
Such as Fig. 1, a kind of rail locomotive vehicle Pneumatic window cleaner spray system, including gas source switch valve 1, air way switch valve
2 or gate valve 3, spray control air valve 4, cistern assembly 5, nozzle component 6, windshield wiper 8 and windshield wiper control valve group 9；
The air inlet of the gas source switch valve 1 is communicated to gas source；
Gas source switch is communicated to after the air inlet of the air way switch valve 2, windshield wiper 8 and windshield wiper control valve group 9 is in parallel
The gas outlet of valve 1；
The air way switch valve 2 is provided with the first gas outlet and the second gas outlet and is total to two-way gas outlet, air way switch valve 2
First gas outlet is communicated to the water suction air inlet 411 of spray control air valve 4；
Described or gate valve 3 two air inlets are respectively communicated with the second gas outlet and the windshield wiper control of air way switch valve 2
The gas outlet of valve group 9 or the gas outlet of gate valve 3 are communicated to the control mouth of windshield wiper 8；
The draining air inlet 412 of the spray control air valve 4 is connected in parallel on the second gas outlet of air way switch valve 2, is sprayed
The water outlet 413 of control air valve 4 is communicated to the water inlet of nozzle component 6, the water outlet of the cistern assembly 5 by spray pipeline
The water inlet 414 of spray control air valve 4 is communicated to by water lines.
Gas source switch valve 1 is opened, compressed air is used as by the air inlet that 1 one tunnel of gas source switch valve enters windshield wiper 8 and scrapes
The power gas source of rain device 8, enters air way switch valve 2 all the way, and another way enters windshield wiper control valve group 9 as control gas source.When
Air way switch valve 2 not on time, compressed air from the first gas outlet of air way switch valve 2 enter the water suction of spray control air valve 4 into
Port 411, spray control air valve 4 absorb water in spray control air valve 4 from cistern assembly 5；When air way switch valve 2 is pressed, pressure
Contracting air enters or door valve 3 from the second gas outlet of air way switch valve 2 all the way, enters back into the control mouth of windshield wiper 8 as control
Gas source, control windshield wiper 8 carry out wiper movement, and another way enters spray control air valve 4 from the second gas outlet of air way switch valve 2
Draining air inlet 412, so that the spool in spray control air valve 4 is started to act the water sucked before is pressed into from water outlet 413
To nozzle component 6, spray operation is carried out, when the switch of air way switch valve 2 resets, spray control air valve 4 again will be from water tank group
Part 5 absorbs water, and completes circulation.
It in the present embodiment, is two-position five-way valve as the preferred air way switch valve 2 for the ease of gas circuit switching, when
When air inlet is connected to the second gas outlet, the first gas outlet is communicated to atmosphere；When the first gas outlet is connected to air inlet, second
Gas outlet is communicated to atmosphere；Check valve 7 is also in series on the spray pipeline.
In addition, in order to be adapted with the structure of vehicle itself, the windshield wiper 8 altogether there are two, and be arranged in parallel.
Meanwhile exhaust gas intake port is additionally provided in the windshield wiper control valve group 9, the exhaust outlet of the windshield wiper 8 is communicated to
The exhaust gas intake port of windshield wiper control valve group 9 controls the capacity of windshield wiper 8 using windshield wiper control valve group 9, realizes to windshield wiper
The control of 8 swing speed.
As shown in Fig. 2, the present invention can be further depicted as, the spray control air valve 4 includes valve body 41, described
Water suction air inlet 411, draining air inlet 412, water outlet 413 and water inlet 414, valve body 41 are offered on valve body 41
It is inside provided with the hydraulic piston 42 and pneumaticpiston 43 of linkage, is further fixedly arranged on water chamber cover board 44 and valve port in valve body 41
Diaphragm 45；
The hydraulic piston 42 matches to form water chamber 46 with water chamber cover board 44, and the pneumaticpiston 43 is in valve body 41
It is inside separated out water suction gas chamber 47 and draining gas chamber 48, the water suction air inlet 411 is connected to water suction gas chamber 47；
Water chamber valve port 441 and spray water outlet 442 are offered on the water chamber cover board 44；The spray water outlet 442 with
Water outlet 413 is connected to, and is connected between the water chamber valve port 441 and water inlet 414 by intake antrum 415；
Membrane flexive control mechanism 49 is provided on the valve port diaphragm 45, the setting of membrane flexive control mechanism 49 exists
In intake antrum 415, the draining air inlet 412 is respectively communicated with the control of draining gas chamber 48 and membrane flexive control mechanism 49
The movement side of side, the membrane flexive control mechanism 49 is matched with water chamber valve port 441, reduces water chamber when hydraulic piston 42 acts
When 46 volume, membrane flexive control mechanism 49 drives valve port diaphragm 45 to close water chamber valve port 441；Expand when hydraulic piston 42 acts
When the volume of big water chamber 46, membrane flexive control mechanism 49 drives valve port diaphragm 45 to leave water chamber valve port 441.
The course of work of spray control air valve 4 is as follows:
When air way switch valve 2 not on time, compressed air enters spray control air valve from the first air inlet of air way switch valve 2
4 water suction air inlet 411 enters water suction gas chamber 47, pushes pneumaticpiston 43 to turn right and moves while hydraulic piston 42 being driven also to turn right
Movement gradually expands the volume of water chamber 46, and due to siphon principle, water will be through water inlet 414-> intake antrum 415-> water chamber valve port
441 enter water chamber 46.In this case, because of second air inlet and big gas phase of the draining air inlet 412 by air way switch valve 2
Logical, valve port diaphragm 45 leaves water chamber valve port 441 under the action of membrane flexive control mechanism 49, and water chamber valve port 441 is in open-minded
State.
When air way switch valve 2 is pressed, compressed air enters spray control air valve from the second air inlet of air way switch valve 2
After 4 draining air inlet 412, wherein the movement of driving diaphragm controller perturbation mechanism 49 makes valve port diaphragm 45 seal water chamber valve port all the way
441, another way enters draining gas chamber 48 and pneumaticpiston 43 is pushed to drive hydraulic piston 42 also toward left movement toward left movement, water chamber
Water in 46 is pressed into nozzle component 6 by water outlet 413, realizes spray operation.
As shown in figure 3, the cistern assembly 5 includes tank lid 51, water tank 52 and drip tray 53, the tank lid 51 is installed
At 52 top of water tank, the drip tray 53 is mounted on 52 bottom of water tank, and 52 bottom of water tank is also connected with water outlet connector 54, institute
It states 53 bottom of drip tray and is connected with drainage joint 55；In the present embodiment, for the ease of the arrangement of equipment and installation, the spray
Control air valve 4 is fixedly mounted on the side wall of water tank 52.
As shown in figure 4, the nozzle component 6 includes spray boom 61, the water inlet end of the spray boom 61 is connected with water supply connector 62,
The water outlet of spray boom 61 is connected with spray head 63, and the water inlet end of spray boom 61 is fixedly mounted on by gasket 64 and fastening nut 65
On car body wallboard 66, the water outlet of spray boom 61 is hinged and connected by circlip 67 and retaining spring 68 with spray head 63, so that
Spray head 63 can rotate freely adjusting water spraying direction with 360 °, to meet the windshield needs of different angle.
Claims (9)
1. a kind of rail locomotive vehicle Pneumatic window cleaner spray system, it is characterized in that: being cut including gas source switch valve (1), gas circuit
Change valve (2) or gate valve (3), spray control air valve (4), cistern assembly (5), nozzle component (6), windshield wiper (8) and windshield wiper control
Valve group (9) processed；
The air inlet of the gas source switch valve (1) is communicated to gas source；
Gas source is communicated to after the air inlet of the air way switch valve (2), windshield wiper (8) and windshield wiper control valve group (9) is in parallel to open
Close the gas outlet of valve (1)；
The air way switch valve (2) is provided with the first gas outlet and the second gas outlet is total to two-way gas outlet, air way switch valve (2)
First gas outlet is communicated to the water suction air inlet (411) of spray control air valve (4)；
Two air inlets of described or gate valve (3) are respectively communicated with the second gas outlet and the windshield wiper control of air way switch valve (2)
The gas outlet of valve group (9) or the gas outlet of gate valve (3) are communicated to the control mouth of windshield wiper (8)；
The draining air inlet (412) of spray control air valve (4) is connected in parallel on the second gas outlet of air way switch valve (2), is sprayed
The water outlet (413) of leaching control air valve (4) is communicated to the water inlet of nozzle component (6), the cistern assembly by spray pipeline
(5) water outlet is communicated to the water inlet (414) of spray control air valve (4) by water lines.
2. rail locomotive vehicle Pneumatic window cleaner spray system as described in claim 1, it is characterized in that: the gas circuit switches
Valve (2) is two-position five-way valve, and when air inlet is connected to the second gas outlet, the first gas outlet is communicated to atmosphere；When the first outlet
When mouth is connected to air inlet, the second gas outlet is communicated to atmosphere.
3. rail locomotive vehicle Pneumatic window cleaner spray system as described in claim 1, it is characterized in that: the spray pipeline
On be also in series with check valve (7).
4. rail locomotive vehicle Pneumatic window cleaner spray system as described in claim 1, it is characterized in that: the windshield wiper
(8) it there are two altogether, and is arranged in parallel.
5. rail locomotive vehicle Pneumatic window cleaner spray system as described in claim 1, it is characterized in that: the windshield wiper control
Exhaust gas intake port is additionally provided on valve group (9) processed, the exhaust outlet of the windshield wiper (8) is communicated to the row of windshield wiper control valve group (9)
Gas import.
6. the rail locomotive vehicle Pneumatic window cleaner spray system as described in claim any one in Claims 1 to 4,
Be characterized in: spray control air valve (4) includes valve body (41), offers water suction air inlet on the valve body (41)
(411), air inlet (412), water outlet (413) and water inlet (414) are drained, the hydraulic pressure of linkage is provided in valve body (41)
Piston (42) and pneumaticpiston (43), valve body (41) is interior to be further fixedly arranged on water chamber cover board (44) and valve port diaphragm (45)；
The hydraulic piston (42) matches to be formed water chamber (46) with water chamber cover board (44), and the pneumaticpiston (43) is in valve sheet
Water suction gas chamber (47) and draining gas chamber (48) are separated out in body (41), the water suction air inlet (411) and water suction gas chamber (47) are even
It is logical；
Water chamber valve port (441) and spray water outlet (442) are offered on the water chamber cover board (44)；The spray water outlet
(442) it is connected to water outlet (413), is connected between the water chamber valve port (441) and water inlet (414) by intake antrum (415)；
It is provided with membrane flexive control mechanism (49) on the valve port diaphragm (45), membrane flexive control mechanism (49) setting
In intake antrum (415), the draining air inlet (412) is respectively communicated with draining gas chamber (48) and membrane flexive control mechanism
(49) the movement side of control side, the membrane flexive control mechanism (49) is matched with water chamber valve port (441), works as hydraulic piston
(42) when the volume of water chamber (46) is reduced in movement, membrane flexive control mechanism (49) drives valve port diaphragm (45) to close water chamber valve port
(441)；When hydraulic piston (42) act the volume for expanding water chamber (46), membrane flexive control mechanism (49) drives valve port diaphragm
(45) water chamber valve port (441) are left.
7. the rail locomotive vehicle Pneumatic window cleaner spray system as described in claim any one in Claims 1 to 4,
Be characterized in: the cistern assembly (5) includes tank lid (51), water tank (52) and drip tray (53), tank lid (51) installation
At the top of water tank (52), the drip tray (53) is mounted on water tank (52) bottom, and water tank (52) bottom is also connected with water outlet
Connector (54), drip tray (53) bottom are connected with drainage joint (55).
8. rail locomotive vehicle Pneumatic window cleaner spray system as claimed in claim 7, it is characterized in that: the spray controls
Air valve (4) is fixedly mounted on the side wall of water tank (52).
9. the rail locomotive vehicle Pneumatic window cleaner spray system as described in claim any one in Claims 1 to 4,
Be characterized in: the nozzle component (6) includes spray boom (61), and the water inlet end of the spray boom (61) is connected with water supply connector (62), spray
The water outlet of bar (61) is connected with spray head (63), and the water inlet end of spray boom (61) is solid by gasket (64) and fastening nut (65)
On car body wallboard (66), the water outlet of spray boom (61) passes through circlip (67) and retaining spring (68) and spray head (63) for Dingan County
It is hinged and connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610413597.1A CN106809176B (en) | 2016-06-14 | 2016-06-14 | Rail locomotive vehicle Pneumatic window cleaner spray system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610413597.1A CN106809176B (en) | 2016-06-14 | 2016-06-14 | Rail locomotive vehicle Pneumatic window cleaner spray system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106809176A CN106809176A (en) | 2017-06-09 |
| CN106809176B true CN106809176B (en) | 2019-05-03 |
Family
ID=59106607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610413597.1A Active CN106809176B (en) | 2016-06-14 | 2016-06-14 | Rail locomotive vehicle Pneumatic window cleaner spray system |
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| CN (1) | CN106809176B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108909678B (en) * | 2018-08-30 | 2021-03-05 | 中国煤炭科工集团太原研究院有限公司 | Air control interlocking windscreen wiper water spraying system for underground coal mine vehicle |
| CN110906556B (en) * | 2018-09-18 | 2024-03-29 | 芜湖美的厨卫电器制造有限公司 | Water mixing device for water heater, water heater and water mixing method of water heater |
| CN111216683A (en) * | 2019-12-10 | 2020-06-02 | 株洲桓基电气股份有限公司 | Windshield wiper control system of motor train unit |
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|---|---|---|---|---|
| DE19816207A1 (en) * | 1998-04-09 | 1999-10-21 | Knorr Bremse Systeme | Windscreen wiper drive, esp. a pneumatic drive for railway vehicles has greater reliability and enables more accurate detection of wiper frequency |
| CN102371973A (en) * | 2010-08-05 | 2012-03-14 | 中国北车集团大同电力机车有限责任公司 | Locomotive and pneumatic window wiper system thereof |
| CN203864636U (en) * | 2014-04-18 | 2014-10-08 | 林井荣 | Novel multifunctional pneumatic window wiper system for locomotive |
| CN205674999U (en) * | 2016-06-14 | 2016-11-09 | 上海国之鼎铁路机电有限公司 | Rail locomotive vehicle Pneumatic window cleaner spray system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7069617B2 (en) * | 2004-03-16 | 2006-07-04 | Wallace James | Pneumatic low-profile wiper system for truck mirrors |
-
2016
- 2016-06-14 CN CN201610413597.1A patent/CN106809176B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19816207A1 (en) * | 1998-04-09 | 1999-10-21 | Knorr Bremse Systeme | Windscreen wiper drive, esp. a pneumatic drive for railway vehicles has greater reliability and enables more accurate detection of wiper frequency |
| CN102371973A (en) * | 2010-08-05 | 2012-03-14 | 中国北车集团大同电力机车有限责任公司 | Locomotive and pneumatic window wiper system thereof |
| CN203864636U (en) * | 2014-04-18 | 2014-10-08 | 林井荣 | Novel multifunctional pneumatic window wiper system for locomotive |
| CN205674999U (en) * | 2016-06-14 | 2016-11-09 | 上海国之鼎铁路机电有限公司 | Rail locomotive vehicle Pneumatic window cleaner spray system |
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|---|---|
| CN106809176A (en) | 2017-06-09 |
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