KR101262945B1 - Nozzle in wiper washer for vehicles - Google Patents

Nozzle in wiper washer for vehicles Download PDF

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Publication number
KR101262945B1
KR101262945B1 KR1020070133184A KR20070133184A KR101262945B1 KR 101262945 B1 KR101262945 B1 KR 101262945B1 KR 1020070133184 A KR1020070133184 A KR 1020070133184A KR 20070133184 A KR20070133184 A KR 20070133184A KR 101262945 B1 KR101262945 B1 KR 101262945B1
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South Korea
Prior art keywords
washer
discharge hole
vehicle
housing
check valve
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KR1020070133184A
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Korean (ko)
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KR20090065724A (en
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이기영
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현대자동차주식회사
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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
    • B60S1/52—Arrangement of nozzles; Liquid spreading means

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  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles (AREA)

Abstract

본 발명은 차량 후드 상면에 설치되어 워셔호스를 통해 유입된 워셔액을 윈드실드글래스의 표면에 분사하는 차량용 워셔노즐에 관한 것이다. 특히, 본 발명은 워셔액이 수용되는 수용공간이 내측에 형성되며 수용공간의 워셔액을 외부로 분사하기 위한 분사유로가 수용공간에 연통되게 형성되는 워셔하우징과, 워셔호스에 연결되어 수용공간에 돌출되고 상방향으로 워셔액이 배출되는 제1배출공이 돌출단부에 형성되고 측방향으로 워셔액이 배출되는 제2배출공이 측부에 형성되는 워셔캡과, 워셔캡의 돌출단부를 감싸는 유량조절공간이 내측 하부에 형성되어 워셔하우징 내측에 설치되는 체크밸브, 및 유량조절공간에 유입되는 워셔액의 유입압력에 따라 제2배출공이 선택적으로 개폐되도록 체크밸브와 워셔하우징 내측면 사이를 탄성적으로 연결하는 탄성스프링을 포함하는 차량용 워셔노즐을 제공한다.The present invention relates to a vehicle washer nozzle which is installed on the vehicle hood upper surface and sprays the washer liquid introduced through the washer hose to the surface of the windshield glass. In particular, the present invention is formed with an accommodating space in which the washer fluid is accommodated, and a washer housing in which an injection passage for injecting the washer fluid in the accommodating space is communicated with the accommodating space, and is connected to the washer hose and protrudes into the accommodating space. A washer cap having a first discharge hole through which the washer liquid is discharged upward is formed in the protruding end, and a second discharge hole through which the washer liquid is discharged in the lateral direction is formed at the side, and a flow control space surrounding the protruding end of the washer cap is formed in the inner lower part. And a check valve installed inside the washer housing, and an elastic spring for elastically connecting the check valve and the inner side of the washer housing so that the second discharge hole is selectively opened and closed according to the inlet pressure of the washer liquid flowing into the flow regulating space. Provide a washer nozzle for a vehicle.

워셔캡, 체크밸브, 워셔하우징, 탄성스프링 Washer cap, check valve, washer housing, elastic spring

Description

차량용 워셔노즐{Nozzle in wiper washer for vehicles}Washer Nozzle for Vehicles {Nozzle in wiper washer for vehicles}

본 발명은 차량용 워셔노즐에 관한 것이다.The present invention relates to a vehicle washer nozzle.

차량의 워셔노즐은 비 또는 눈이 내릴 때나 내린 후에 운전자의 시계가 방해받는 것을 막기 위하여 윈드실드글래스의 표면을 세정하는 장치이다.The washer nozzle of the vehicle is a device for cleaning the surface of the windshield glass to prevent the driver's watch from being disturbed during or after rain or snow.

도 1a에 도시된 바와 같이, 종래 차량용 워셔노즐장치는 차량 후드(1) 면에 끼워지어 워셔액 이송관에 끼워지는 연결부(2)와, 후드(1) 면에 위치하고 워셔액 분사구(3)를 구비한 헤드부(4)와, 헤드부(4) 하부에 위치하여 후드(1)면과 헤드부(4)의 밀착력을 높이기 위한 노즐 패드(5), 및 워셔 노즐하우징(6)의 몸체부(7) 내부에 설치되는 체크밸브(8)로 구성된다.As shown in FIG. 1A, a conventional washer nozzle apparatus for a vehicle includes a connecting portion 2 fitted to a surface of a vehicle hood 1 and fitted into a washer fluid transfer pipe, and a washer liquid injection hole 3 disposed on a surface of the hood 1. The head portion 4, the nozzle pad 5 for increasing the adhesion between the hood 1 surface and the head portion 4, which is located below the head portion 4, and the body portion 7 of the washer nozzle housing 6. It consists of a check valve (8) installed inside.

즉, 운전자가 워셔스위치를 조작하면, 워셔스위치와 연계된 워셔모터가 작동하게 되고, 워셔모터의 작동에 의해 워셔탱크 내부에 저장되어 있던 워셔액은 이송관을 통해 이송된 후 분사구(3)를 통해 윈드실드글래스에 분사된다.That is, when the driver operates the washer switch, the washer motor associated with the washer switch is operated, and the washer fluid stored in the washer tank by the operation of the washer is transferred through the feed pipe and then through the injection hole 3. Sprayed on windshield glass.

그런데 도 1b에 도시된 바와 같이, 헤드부(4)의 분사구(3)를 통해 윈드실드글래스(9)로 워셔액이 분사된 후, 워셔펌프의 작동이 멈춤으로 미쳐 분사되지 못한 워셔액이 분사구(3)를 통해 차량의 후드(1)면으로 흘러 내림으로 인해 미관상 지저 분해 보이기도 하고, 동절기에는 워셔 노즐하우징(30)에 얼어 있던 물이 녹으면서 후드(1) 면으로 흘러내려 미관상 좋지 못하였다.However, as shown in FIG. 1B, after the washer liquid is injected into the windshield glass 9 through the injection hole 3 of the head part 4, the washer liquid is not injected due to the stoppage of the washer pump. It looks aesthetically decomposed due to the flow down to the hood (1) surface of the vehicle, and in winter, the water frozen in the washer nozzle housing (30) melted and flowed down to the hood (1) surface was not good.

이러한 문제점을 해결하기 위한 본 발명의 목적은, 워셔액의 공급 및 차단이 안정적으로 이루어지는 차량용 워셔노즐을 제공하는 것이다.SUMMARY OF THE INVENTION An object of the present invention for solving this problem is to provide a washer nozzle for a vehicle in which the washer liquid is supplied and shut off stably.

상기 목적을 달성하기 위해 본 발명은 차량 후드 상면에 설치되어 워셔호스를 통해 유입된 워셔액을 윈드실드글래스에 분사하는 차량용 워셔노즐로서, 워셔액이 수용되는 수용공간이 내측에 형성되며, 상기 수용공간의 워셔액을 외부로 분사하기 위한 분사유로가 상기 수용공간에 연통되게 형성되는 워셔하우징과, 상기 워셔호스에 연결되어 수용공간에 돌출되고 상방향으로 워셔액이 배출되는 제1배출공이 돌출단부에 형성되고 측방향으로 워셔액이 배출되는 제2배출공이 측부에 형성되는 워셔캡과, 상기 워셔캡의 돌출단부를 감싸는 유량조절공간이 내측 하부에 형성되어 상기 워셔하우징 내측에 설치되는 체크밸브, 및 상기 유량조절공간에 유입되는 워셔액의 유입압력에 따라 상기 제2배출공이 선택적으로 개폐되도록 상기 체크밸브와 상기 워셔하우징 사이를 탄성적으로 연결하는 탄성스프링을 포함한다.In order to achieve the above object, the present invention is a vehicle washer nozzle for spraying the washer fluid introduced through the washer hose to the windshield glass in order to achieve the above object, an accommodation space for the washer fluid is formed therein, the receiving space of the A washer housing in which an injection flow path for injecting the washer fluid to the outside is formed in communication with the accommodation space, and a first discharge hole is connected to the washer hose and protrudes into the accommodation space, and the washer fluid is discharged upward, at the protruding end. A washer cap having a second discharge hole through which the washer fluid is discharged in a direction, and a flow rate adjusting space surrounding the protrusion end of the washer cap is formed at an inner lower side thereof, and a check valve installed inside the washer housing, and the flow rate adjusting space. The check valve and the washer to selectively open and close the second discharge hole in accordance with the inlet pressure of the washer liquid introduced into the It includes an elastic spring that elastically connects between the housings.

상기 워셔하우징 내측면과 탄성스프링의 사이에는 상기 제2배출공을 통해 유입된 워셔액이 상기 분사유로로 이동되기 위한 이격공간이 형성될 수 있다. 상기 유량조절공간에는 입출되는 상기 워셔캡의 돌출단부에 밀착되는 돌출부가 형성될 수 있다.A separation space may be formed between the inner side of the washer housing and the elastic spring to move the washer liquid introduced through the second discharge hole to the injection passage. The flow rate control space may be provided with a protrusion that is in close contact with the protruding end of the washer cap to enter and exit.

본 발명에 의하면, 워셔캡을 통한 워셔액의 공급 및 차단이 체크밸브에 의해 안정적으로 이루어짐에 따라, 워셔액의 과다 공급에 따라 차량의 후드로 워셔액이 배출되는 것을 방지할 수 있다는 이점이 있다.According to the present invention, since the supply and shut-off of the washer fluid through the washer cap is stably performed by the check valve, the washer fluid can be prevented from being discharged to the hood of the vehicle according to the excessive supply of the washer fluid.

첨부된 도면에 의거하여 본 발명의 실시예를 상세히 설명하기로 한다.Embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 2 및 도 3에 도시된 바와 같이, 본 발명에 따른 차량용 워셔노즐은, 차량 후드 상면에 설치되되, 워셔캡(200)을 통한 워셔액의 공급 및 차단이 체크밸브(300)에 의해 안정적으로 이루어지는 구조이다.As shown in Figure 2 and 3, the vehicle washer nozzle in accordance with the present invention, is installed on the upper surface of the vehicle hood, the washer liquid through the washer cap 200 and the blocking is made stable by the check valve 300 Structure.

이러한 워셔노즐은 워셔액이 수용되는 수용공간(110)이 내측에 형성되는 워셔하우징(100)과, 상기 수용공간(110)에 돌출 설치되어 워셔액이 상방향으로 배출되는 제1배출공(210)과 워셔액이 측방향으로 배출되는 제2배출공(220)을 갖는 워셔캡(200)과, 상기 워셔캡(200)의 돌출단부를 감싸도록 배치되는 체크밸브(300), 및 상기 제2배출공(220)이 선택적으로 개폐되도록 상기 체크밸브(300)와 워셔하우징(100) 내측면 사이를 탄성적으로 연결하는 탄성스프링(400)으로 구성된다.The washer nozzle has a washer housing 100 in which an accommodation space 110 in which the washer fluid is accommodated is formed, and a first discharge hole 210 protrudingly installed in the accommodation space 110 to discharge the washer fluid upwards. The washer cap 200 having the second discharge hole 220 through which the washer fluid is discharged laterally, the check valve 300 disposed to surround the protruding end of the washer cap 200, and the second discharge hole ( 220 is composed of an elastic spring 400 to elastically connect between the check valve 300 and the inner surface of the washer housing 100 to selectively open and close.

구체적으로, 본 발명의 바람직한 일 실시예에 따른 워셔하우징(100)은, 차량 후드에 돌출 형성되되, 해당 내측에 워셔탱크(미도시)로부터 유입된 워셔액이 수용되는 수용공간(110)과, 일단부가 상기 수용공간(110)에 연통되고 타단부가 외부에 노출되어 상기 수용공간(110)의 워셔액을 외부로 분사하는 분사유로(120)가 각각 형성된다.Specifically, the washer housing 100 according to an embodiment of the present invention, protruding to the vehicle hood, the receiving space 110 is accommodated washer fluid introduced from the washer tank (not shown) and the inside, once In addition, the injection passage 120 for communicating with the receiving space 110 and the other end is exposed to the outside to inject the washer liquid of the receiving space 110 to the outside, respectively.

이러한 워셔하우징(100)의 수용공간(110)에는, 워셔액의 공급 및 차단이 원활하게 이루어지도록 하는 워셔캡(200)과 체크밸브(300) 및 탄성스프링(400)이 내장된다. In the receiving space 110 of the washer housing 100, the washer cap 200, the check valve 300, and the elastic spring 400 to facilitate the supply and blockage of the washer fluid is embedded.

상기 워셔캡(200)은 워셔호스를 매개로 워셔탱크와 연결되고, 워셔액을 공급하기 위해 수용공간(110)에 돌출되는 돌출단부를 갖는다. 특히, 상기 워셔캡(200)의 돌출단부에는 워셔액을 상방향으로 배출시키기 위한 제1배출공(210)과, 돌출단부의 측부에는 워셔액을 측방향으로 배출시키기 위한 제2배출공(220)이 각각 형성된다. The washer cap 200 is connected to the washer tank through the washer hose, and has a protruding end projecting into the receiving space 110 to supply the washer fluid. In particular, a first discharge hole 210 for discharging the washer liquid in the upward direction at the protruding end of the washer cap 200, and a second discharge hole 220 for discharging the washer liquid in the side direction at the side of the protruding end are provided. Each is formed.

상기 제1배출공(210)은 상기 체크밸브(300)에 의해 감싸지며, 상기 제2배출공(220)은 상기 체크밸브(300)의 승강 작동시 선택적으로 감싸지는 바, 상기 제1배출공(210)에서 배출되는 워셔액은 상기 체크밸브(300)를 푸쉬하여 상승시킬 수 있고, 상기 제2배출공(220)에서 배출되는 워셔액은 상기 체크밸브(300)의 상승시 상기 워셔하우징(100)의 수용공간(110)에 투입될 수 있다.The first discharge hole 210 is wrapped by the check valve 300, the second discharge hole 220 is selectively wrapped during the lifting operation of the check valve 300, the first discharge hole The washer fluid discharged from 210 may be pushed up to push the check valve 300, and the washer fluid discharged from the second discharge hole 220 may be increased by the washer housing 100 when the check valve 300 is raised. It can be put in the receiving space (110).

상기 체크밸브(300)는 상기 워셔하우징(100) 내측에 설치되되, 내측 하부에 상기 워셔캡(200)의 돌출단부를 감싸는 유량조절공간(310)을 형성한다. 상기 유량조절공간(310)에는 상기 워셔캡(200)의 제1배출공(210)에서 배출되는 워셔액이 수용되며, 상기 유량조절공간(310)의 내면을 상기 워셔캡(200)의 돌출단부에 밀착시키기 위한 돌출부(320)가 형성된다. The check valve 300 is installed inside the washer housing 100, and forms a flow control space 310 surrounding the protruding end of the washer cap 200 in the lower inner. The washer fluid discharged from the first discharge hole 210 of the washer cap 200 is accommodated in the flow regulating space 310, and an inner surface of the flow regulating space 310 is provided at the protruding end of the washer cap 200. Protrusions 320 are formed for close contact.

이러한 체크밸브(300)는 상기 탄성스프링(400)을 매개로 워셔하우징(100)에 지지되는데, 상기 제1배출공(210)의 워셔액 배출압이 일정압 이상인 경우 상기 탄성스프링(400)이 압축되면서 상기 체크밸브(300)는 승강될 수 있으며, 상기 체크밸브(300)가 상승되는 경우 상기 제2배출공(220)이 노출되면서 상기 제2배출공(220)에서 배출되는 워셔액은 상기 수용공간(110)으로 이동될 수 있다. The check valve 300 is supported by the washer housing 100 via the elastic spring 400. When the washer liquid discharge pressure of the first discharge hole 210 is greater than or equal to a predetermined pressure, the elastic spring 400 is compressed. While the check valve 300 may be lifted and the check valve 300 is raised, the washer liquid discharged from the second discharge hole 220 is exposed while the second discharge hole 220 is exposed. May be moved to 110.

상기 탄성스프링(400)은 상기 체크밸브(300)를 워셔하우징(100)에 탄성적으로 연결한다. 이러한 탄성스프링(400)은 제1배출공(210)에서 배출되는 워셔액의 배출압이 일정압 이상이면 상기 체크밸브(300)가 상승되도록 압축되고, 상기 제1배출공(210)에서 배출되는 워셔액의 배출압이 일정압 이하이면, 탄성복원력을 통해 상기 체크밸브(300)를 원위치로 복귀시킨다. The elastic spring 400 elastically connects the check valve 300 to the washer housing 100. The elastic spring 400 is compressed so that the check valve 300 is raised when the discharge pressure of the washer liquid discharged from the first discharge hole 210 is higher than a predetermined pressure, and the washer liquid discharged from the first discharge hole 210. If the discharge pressure is less than a predetermined pressure, the check valve 300 is returned to its original position through an elastic restoring force.

여기서, 상기 워셔하우징(100)과 탄성스프링(400)의 사이에는, 상기 제2배출공(220)을 통해 유입된 워셔액을 상기 분사유로(120)로 이동시키기 위한 이격공간(111)이 형성된다. 즉, 상기 탄성스프링(400)이 압축된 상태에서 워셔캡(200)의 제2배출공(220)을 배출된 워셔액은, 상기 수용공간(110)으로 이동한 후, 상기 이격공간(111)을 통해 상기 분사유로(120)로 이동되어 외부로 배출될 수 있다. Here, the separation space 111 is formed between the washer housing 100 and the elastic spring 400 to move the washer liquid introduced through the second discharge hole 220 to the injection passage 120. . That is, the washer liquid discharged from the second discharge hole 220 of the washer cap 200 in the state in which the elastic spring 400 is compressed is moved to the accommodation space 110, and then the separation space 111 is opened. Through the injection passage 120 may be discharged to the outside.

상술한 바와 같이, 본 발명의 차량용 워셔노즐의 경우 워셔캡을 통한 워셔액의 공급 및 차단이 체크밸브에 의해 안정적으로 이루어짐에 따라, 워셔액의 과다 공급에 따라 차량의 후드로 워셔액이 배출되는 것을 방지할 수 있다는 장점이 있다. 이로써, 워셔액이 분사된 후 워셔 펌프의 작동이 멈춤으로 인해, 미쳐 분사되지 못한 워셔액이 차량의 후드면으로 흘러 내린다는 종래 기술의 문제를 본 발명은 해결할 수 있다. As described above, in the case of the vehicle washer nozzle of the present invention, as the washer fluid is supplied and blocked through the washer cap by the check valve, the washer fluid is prevented from being discharged to the hood of the vehicle according to the excessive supply of the washer fluid. There is an advantage that it can. As a result, the present invention can solve the problem of the prior art that the washer liquid, which is not sprayed, flows down to the hood surface of the vehicle because the washer pump stops operation after the washer liquid is injected.

본 발명을 바람직한 실시 예를 사용하여 상세히 설명하였으나, 본 발명의 범위는 특정 실시 예에 한정되는 것은 아니며, 첨부된 특허청구범위에 의하여 해석되어야 할 것이다. 또한, 이 기술분야에서 통상의 지식을 습득한 자라면, 본 발명의 범위에서 벗어나지 않으면서도 많은 수정과 변형이 가능함을 이해하여야 할 것이다.Although the present invention has been described in detail using the preferred embodiments, the scope of the present invention is not limited to the specific embodiments, it should be interpreted by the appended claims. It will also be appreciated that many modifications and variations will be apparent to those skilled in the art without departing from the scope of the present invention.

도 1a 및 도 1b는 종래기술에 따른 차량용 워셔노즐을 도시한 구성도.1a and 1b is a block diagram showing a vehicle washer nozzle according to the prior art.

도 2는 본 발명에 따른 차량용 워셔노즐을 도시한 구성도.Figure 2 is a block diagram showing a vehicle washer nozzle according to the present invention.

도 3은 본 발명에 따른 차량용 워셔노즐의 작동 후 상태를 도시한 상태도.Figure 3 is a state diagram showing a state after the operation of the vehicle washer nozzle in accordance with the present invention.

※도면의 주요 부분에 대한 부호설명※※ Refer to the explanation of the main parts of the drawing ※

100 :워셔하우징 200 :워셔캡 100: washer housing 200: washer cap

300 :체크밸브 400 :탄성스프링 300: check valve 400: elastic spring

Claims (3)

차량 후드 상면에 설치되어 워셔호스를 통해 유입된 워셔액을 윈드실드글래스에 분사하는 차량용 워셔노즐로서,As a washer nozzle for vehicle that is installed on the upper surface of the vehicle hood and sprays the washer liquid introduced through the washer hose to the windshield glass, 워셔액이 수용되는 수용공간(110)이 내측에 형성되며, 상기 수용공간(110)의 워셔액을 외부로 분사하기 위한 분사유로(120)가 상기 수용공간(110)에 연통되게 형성되는 워셔하우징(100);The washer housing 100 in which the washer fluid is accommodated is formed therein, and the injection passage 120 for injecting the washer fluid in the accommodating space 110 to the outside is in communication with the accommodating space 110. ); 상기 워셔호스에 연결되어 상기 수용공간(110)에 돌출되고, 상방향으로 워셔액이 배출되는 제1배출공(210)이 돌출단부에 형성되고, 측방향으로 워셔액이 배출되는 제2배출공(220)이 측부에 형성되는 워셔캡(200);The second discharge hole 220 is connected to the washer hose and protrudes in the accommodation space 110, the first discharge hole 210 for discharging the washer liquid in the upward direction is formed at the protruding end, and the washer liquid is discharged in the lateral direction. Washer cap 200 is formed on the side; 상기 워셔캡(200)의 돌출단부를 감싸는 유량조절공간(310)이 내측 하부에 형성되어 상기 워셔하우징(100) 내측에 설치되는 체크밸브(300); 및A check valve 300 formed in the lower portion of the flow control space 310 surrounding the protruding end of the washer cap 200 and installed in the washer housing 100; And 상기 유량조절공간(310)에 유입되는 워셔액의 유입압력에 따라 상기 제2배출공(220)이 선택적으로 개폐되도록 상기 체크밸브(300)와 상기 워셔하우징(100) 사이를 탄성적으로 연결하는 탄성스프링(400)을 포함하는 것을 특징으로 하는 차량용 워셔노즐.Elastic to elastically connect between the check valve 300 and the washer housing 100 to selectively open and close the second discharge hole 220 in accordance with the inlet pressure of the washer liquid flowing into the flow control space 310 Washer nozzle for a vehicle comprising a spring (400). 청구항 1에 있어서, 상기 워셔하우징(100) 내측면과 탄성스프링(400)의 사이에는 상기 제2배출공(220)을 통해 유입된 워셔액이 상기 분사유로(120)로 이동되기 위한 이격공간(111)이 형성되는 것을 특징으로 하는 차량용 워셔노즐.The separation space 111 for moving the washer liquid introduced through the second discharge hole 220 between the inner surface of the washer housing 100 and the elastic spring 400 to the injection passage 120. Washer nozzle for a vehicle, characterized in that is formed. 청구항 1 또는 청구항 2에 있어서, 상기 유량조절공간(310)에는 입출되는 상기 워셔캡(200)의 돌출단부에 밀착되는 돌출부(320)가 형성되는 것을 특징으로 하는 차량용 워셔노즐.The vehicle washer nozzle according to claim 1 or 2, wherein the flow rate control space (310) is provided with a protrusion (320) in close contact with a protruding end of the washer cap (200) entering and exiting.
KR1020070133184A 2007-12-18 2007-12-18 Nozzle in wiper washer for vehicles KR101262945B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10246059B2 (en) 2015-12-11 2019-04-02 Hyundai Motor Company Washer-integrated type wiper apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040250858A1 (en) 2003-06-16 2004-12-16 Bowles Fluidics Corporation Integral check valve for nozzles
KR100896921B1 (en) 2007-11-15 2009-05-11 현대자동차주식회사 Wiper nozzle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040250858A1 (en) 2003-06-16 2004-12-16 Bowles Fluidics Corporation Integral check valve for nozzles
KR100896921B1 (en) 2007-11-15 2009-05-11 현대자동차주식회사 Wiper nozzle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10246059B2 (en) 2015-12-11 2019-04-02 Hyundai Motor Company Washer-integrated type wiper apparatus

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