KR20100015053A - Vacuum pump for vehicle - Google Patents

Vacuum pump for vehicle Download PDF

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Publication number
KR20100015053A
KR20100015053A KR1020080075940A KR20080075940A KR20100015053A KR 20100015053 A KR20100015053 A KR 20100015053A KR 1020080075940 A KR1020080075940 A KR 1020080075940A KR 20080075940 A KR20080075940 A KR 20080075940A KR 20100015053 A KR20100015053 A KR 20100015053A
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KR
South Korea
Prior art keywords
route
vacuum pump
vehicle
pump housing
rotor
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KR1020080075940A
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Korean (ko)
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KR101417091B1 (en
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최영호
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현대자동차주식회사
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Priority to KR1020080075940A priority Critical patent/KR101417091B1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
    • F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/028—Means for improving or restricting lubricant flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2210/00—Fluid
    • F04C2210/22—Fluid gaseous, i.e. compressible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00—Pumps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

PURPOSE: A vacuum pump for a vehicle is provided to prevent deformation and breakage of the vane and the rotor due to inflow and attachment of foreign materials. CONSTITUTION: A vacuum pump for a vehicle comprises a discharge route to guide foreign materials flowing in a pump housing(1) to an oil outlet(1c). The discharge route includes a plurality of guide routes(1a) and a collecting route(1b). The collecting route is connected to the oil outlet.

Description

차량용 진공펌프{Vacuum pump for vehicle}Vacuum pump for vehicle

본 발명은 차량용 진공펌프에 관한 것으로, 특히 진공펌프의 내부로 유입된 이물질을 드레인 루프를 통해 진공펌프의 외부로 배출하도록 한 차량용 진공펌프에 관한 것이다.The present invention relates to a vacuum pump for a vehicle, and more particularly to a vacuum pump for a vehicle to discharge foreign substances introduced into the vacuum pump to the outside of the vacuum pump through the drain loop.

종래 디젤엔진을 탑재한 차량에는 브레이크 페달의 답력을 증대시키는 브레이크 부우스터와, EGR 밸브, 스로틀바디, 가변노즐을 구비한 터보차저 등에 진공압이 사용되고 있고, 상기 진공압은 캠샤프트를 통해 엔진의 회전동력을 구동원으로 사용하는 진공펌프를 통해 만들어져서 각종 필요한 장치에 공급하고 있다.Conventionally, in a vehicle equipped with a diesel engine, vacuum pressure is used for a brake booster for increasing the pedal pedal effort, an EGR valve, a throttle body, and a turbocharger equipped with a variable nozzle. It is made through a vacuum pump that uses rotational power as a driving source and supplies it to various necessary devices.

상기와 같은 종래의 진공펌프는 대체로 타원 형상을 이루는 펌프하우징의 내부에 로터가 회전축을 매개로 고속으로 회전가능하게 설치되고, 상기 로터에는 직사각 평판 형상을 한 베인이 끼워져 일체로 회전 및 왕복 운동을 하도록 설치된다.In the conventional vacuum pump as described above, a rotor is rotatably installed at a high speed through a rotation shaft in a pump housing having an elliptic shape, and the rotor is fitted with a vane having a rectangular flat plate to rotate and reciprocate integrally. To be installed.

이에 따라 캠샤프트의 회전운동을 상기 회전축이 전달받아 상기 로터를 회전시키고, 상기 로터의 회전에 의해 상기 베인이 회전 및 왕복 운동을 하면서 펌프 하우징의 내부에 진공압을 형성하게 된다.Accordingly, the rotary shaft receives the rotational motion of the camshaft to rotate the rotor, and the vane rotates and reciprocates by the rotation of the rotor to form a vacuum pressure inside the pump housing.

상기 로터는 캠샤프트의 회전운동을 전달받아 고속으로 회전하기 때문에 적 절한 윤활이 필요하고, 이를 위해 엔진 오일이 상기 로터에 공급되어져 로터를 윤활하게 되어 있다.Since the rotor rotates at a high speed by receiving the rotational motion of the camshaft, proper lubrication is required. For this purpose, engine oil is supplied to the rotor to lubricate the rotor.

그런데 상기와 같이 로터가 엔진 오일에 의해 윤활되는 과정에 엔진 오일에 함유된 주물사나 가공칩 등과 같은 이물질이 펌프 하우징의 내부로 유입되고, 이러한 이물질은 펌프 하우징의 내측면에 고착되어 상기 베인이 운동을 할 때에 베인에 과도한 토크가 걸리게 해서 베인이 변형될 할 뿐만 아니라 베인을 잡아서 회전시키는 로터에도 부하가 과도하게 걸려서 파손될 우려가 있었다.However, in the process of lubricating the rotor by the engine oil as described above, foreign substances such as foundry sand or processing chips, which are contained in the engine oil, are introduced into the pump housing, and these foreign substances are fixed to the inner surface of the pump housing and the vanes move. When the vane is subjected to excessive torque, not only the vane is deformed, but also the rotor that catches and rotates the vane, and there is a risk of excessive load.

이에 본 발명은 상기한 사정을 감안하여 안출된 것으로, 진공펌프의 윤활 오일에 함유되어 진공펌프의 내부로 유입되는 이물질을 배출 루트를 통해 오일 배출구를 거쳐서 진공펌프의 외부로 원활하게 배출할 수 있도록 하여 이물질의 유입 및 고착에 따른 베인과 로터의 변형 및 파손을 효과적으로 방지해서 진공펌프의 원활한 작동과 수명 연장을 도모할 수 있도록 한 차량용 진공펌프를 제공함에 그 목적이 있다.Accordingly, the present invention has been made in view of the above circumstances, so that foreign substances contained in the lubricating oil of the vacuum pump and introduced into the vacuum pump can be smoothly discharged to the outside of the vacuum pump through the oil outlet through the discharge route. The purpose of the present invention is to provide a vacuum pump for a vehicle that can effectively prevent the deformation and breakage of vanes and rotors due to the inflow and fixation of foreign matters, so that the vacuum pump can be operated smoothly and its life is extended.

상기와 같은 목적을 달성하기 위한 본 발명은, 펌프하우징의 내주면에 유입된 이물질을 상기 펌프하우징에 형성된 오일 배출구 쪽으로 유도하는 배출 루트가 형성되어 있다.The present invention for achieving the above object, there is formed a discharge route for inducing foreign matter introduced into the inner peripheral surface of the pump housing toward the oil outlet formed in the pump housing.

바람직하기로는 상기 배출 루트는 상기 내주면에 반경방향으로 소정 간격을 두고 원주 방향으로 원호 형상을 이루도록 내측으로 파여진 형태로 형성된 다수개의 유도 루트와, 이 다수개의 유도 루트가 합류되게 원호 형상을 이루고서 상기 오일 배출구와 연결되는 포집 루트로 이루어진 것을 특징으로 한다.Preferably, the discharge route has a plurality of guide routes formed in an inwardly formed shape so as to form an arc shape in the circumferential direction at predetermined intervals in the radial direction on the inner circumferential surface, and the plurality of guide routes form an arc shape to join the Characterized in that the collection route is connected to the oil outlet.

본 발명에 따른 차량용 진공펌프에 의하면, 진공펌프 하우징의 내측면에 원호 형상을 한 다수개의 유도 루트와, 이 유도 루트들이 합류되어 오일 배출구로 연결된 포집 루트가 각각 형성되어, 로터의 윤활 오일에 함유된 이물질이 진공펌프 하우징의 내부로 유입될 경우에 상기 이물질은 베인의 작동에 운동에 따라 상기 유도 루트를 거쳐서 상기 포집 루트에 포집된 다음에 상기 오일 배출구를 매개로 진공펌프 하우징의 외부로 원활하게 배출됨으로써, 진공펌프 하우징의 내부에 이물질이 고착되어 베인의 운동을 방해할 염려가 없고, 이에 따라 베인과 로터의 작동이 원활해질 뿐만 아니라 이물질의 고착으로 인해 베인과 로터에 과도한 토크가 걸려서 변형되거나 파손될 염려가 없으므로 진공펌프의 내구성 및 수명이 연장되며, 브레이크 장치나 터보차저 등이 진공펌프로부터 원활하게 진공압을 공급받아 작동되어 차량의 제동 안정성과 연비 등이 향상되는 등의 효과가 있다. According to the vacuum pump for a vehicle according to the present invention, a plurality of induction paths having an arc shape on the inner surface of the vacuum pump housing, and a collection route connected to the oil outlet by forming the plurality of induction routes are joined to the oil outlet, respectively, contained in the lubricating oil of the rotor When foreign matter is introduced into the vacuum pump housing, the foreign matter is collected in the collecting route via the induction route according to the movement of the vane, and then smoothly to the outside of the vacuum pump housing through the oil outlet. By discharging, there is no fear that foreign matters may stick to the inside of the vacuum pump housing and prevent the vane from moving. Accordingly, the vanes and the rotor may operate smoothly, and the foreign matters may cause excessive torque on the vanes and the rotor, resulting in deformation or deformation. There is no risk of breakage, which extends the durability and life of the vacuum pump. The charger is operated by receiving the vacuum pressure smoothly from the vacuum pump to improve the braking stability and fuel economy of the vehicle.

이하 본 발명을 첨부된 예시도면에 의거 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 1에는 본 발명에 따른 차량용 진공펌프의 내부 구조를 나타내는 사시도가 도시되어 있는 바, 즉 대체로 타원 형상을 이루는 펌프하우징(1)의 내부에 로터(2)가 회전축(3)을 매개로 고속으로 회전가능하게 설치되고, 상기 로터(2)에는 직사각 평판 형상을 한 베인(4)이 끼워져 일체로 회전 및 왕복 운동을 하도록 설치된다.1 is a perspective view showing an internal structure of a vehicle vacuum pump according to the present invention, that is, the rotor 2 inside the pump housing 1 having a generally elliptic shape at a high speed through the rotation shaft 3. It is rotatably installed, and the rotor 2 is fitted with vanes 4 having a rectangular flat plate shape so as to be integrally rotated and reciprocated.

상기 펌프하우징(1)의 내주면에는 이물질을 펌프하우징의 외부로 배출하기 위한 배출 루트가 구비되는 데, 즉 다수개의 유도 루트(1a)가 반경방향으로 소정 간격을 두고 원주 방향으로 원호 형상을 이루도록 내측으로 파여진 형태로 형성되고, 상기 다수개의 유도 루트(1a)는 원호 형상을 이루는 하나의 포집 루트(1b)에서 합류되게 형성되며, 상기 포집 루트(1b)도 상기 내주면의 내측으로 파여진 형태로 형성된다.The inner peripheral surface of the pump housing (1) is provided with a discharge route for discharging foreign matter to the outside of the pump housing, that is, a plurality of induction route (1a) to form an arc shape in the circumferential direction at a predetermined interval in the radial direction And a plurality of guide routes 1a are formed to be joined at one capture route 1b constituting an arc shape, and the capture route 1b is also recessed inwardly of the inner circumferential surface. Is formed.

그리고 상기 포집 루트(1b)의 선단부는 상기 펌프하우징(1)을 관통하여 형성된 오일 배출구(1c)와 연통하도록 연결된다.And the tip end of the collecting route (1b) is connected to communicate with the oil outlet (1c) formed through the pump housing (1).

상기 각 유도 루트(1a)는 서로 다른 직경을 가지도록 원호 형상으로 형성된다.Each of the guide routes 1a is formed in an arc shape to have a different diameter.

이에 따라 도시되지 않은 캠샤프트의 회전운동을 상기 회전축(3)이 전달받아 로터(2)를 회전시키고, 상기 로터(2)의 회전에 의해 상기 베인(4)이 회전 및 왕복 운동을 하면서 펌프 하우징의 내부에 진공압을 형성하게 된다.Accordingly, the rotation shaft 3 receives the rotational motion of the camshaft (not shown) to rotate the rotor 2, and the vane 4 rotates and reciprocates by the rotation of the rotor 2, thereby providing a pump housing. It will form a vacuum pressure inside.

그리고 상기 로터(2)가 고속 회전 운동을 함에 따라 로터에 엔진 오일이 공급되어 로터를 윤활하게 되는 데, 이 때에 윤활 오일에 함유된 여러 종류의 이물질이 윤활 오일을 따라서 펌프하우징의 내측으로 유입되고, 상기 윤활 오일에 함유된 이물질은 상기 베인의 회전 및 왕복 운동에 의해 펌프 하우징의 내주면에 산재되게 되며, 이렇게 산재된 이물질은 상기 다수개의 유도 루트에 의해 유도 루트의 내부로 유입되게 유도된다.As the rotor 2 moves at a high speed, engine oil is supplied to the rotor to lubricate the rotor. At this time, various kinds of foreign substances contained in the lubricating oil flow into the pump housing along the lubricating oil. The foreign matter contained in the lubricating oil is scattered on the inner circumferential surface of the pump housing by the rotation and the reciprocating motion of the vanes, and the scattered foreign matter is induced to enter the inside of the induction route by the plurality of induction routes.

상기와 같이 각 유도 루트에 유입된 이물질은 베인의 회전 운동 방향으로 유도 루트를 따라서 이동하게 되고, 각 유도 루트를 따라서 이동한 이물질은 다시 상기 포집 루트에서 포집되며, 포집 루트에 포집된 이물질은 포집 루트를 따라서 이동하다가 상기 오일 배출구를 통해 엔진 오일과 함께 펌프 하우징의 외부로 원활하게 배출된다.As described above, foreign substances introduced into each guide route move along the guide route in the direction of rotational movement of the vanes, and foreign substances moved along each guide route are collected again from the capture route, and the foreign substances collected in the capture route are collected. It travels along the route and is smoothly discharged out of the pump housing together with the engine oil through the oil outlet.

상기와 같이 펌프하우징(1)의 내부로 엔진 오일과 함께 유입된 이물질은 원활하게 포집되어 다시 펌프하우징의 외부로 엔진 오일과 함께 배출됨으로써, 펌프하우징의 내주면에 고착되어 베인이나 로터에 부하를 주게 될 염려가 없게 되는 것이다.As described above, foreign substances introduced together with the engine oil into the pump housing 1 are smoothly collected and discharged together with the engine oil to the outside of the pump housing, thereby being fixed to the inner circumferential surface of the pump housing to give a load to the vane or the rotor. There will be no fear of becoming.

도 1은 본 발명에 따른 진공펌프의 내부 구조를 나타내는 사시도이다.1 is a perspective view showing the internal structure of a vacuum pump according to the present invention.

< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>

1-펌프하우징 2-로터1-pump housing 2-rotor

3-회전축 4-베인3-spindle 4-vane

1a-유도 루트 1b-포집 루트1a-Induced Route 1b-Capture Route

1c-오일 배출구1c-oil outlet

Claims (3)

펌프하우징의 내주면에 유입된 이물질을 상기 펌프하우징에 형성된 오일 배출구 쪽으로 유도하는 배출 루트가 형성된 차량용 진공펌프.A vacuum pump for a vehicle having a discharge route for guiding foreign substances introduced into an inner circumferential surface of a pump housing toward an oil outlet formed in the pump housing. 청구항 1에 있어서, 상기 배출 루트는 상기 내주면에 반경방향으로 소정 간격을 두고 원주 방향으로 원호 형상을 이루도록 내측으로 파여진 형태로 형성된 다수개의 유도 루트와, 이 다수개의 유도 루트가 합류되게 원호 형상을 이루고서 상기 오일 배출구와 연결되는 포집 루트로 이루어진 것을 특징으로 하는 차량용 진공펌프.The method of claim 1, wherein the discharge route has a plurality of guided route formed in the form inwardly formed so as to form an arc shape in the circumferential direction at a predetermined interval in the radial direction on the inner circumferential surface, and the circular guide shape so that the plurality of guided routes are joined A vacuum pump for a vehicle, comprising: a collecting route connected to the oil outlet. 청구항 2에 있어서, 상기 유도 루트가 직경이 서로 상이한 3개의 원호 형상으로 형성된 것을 특징으로 하는 차량용 진공펌프.The vehicle vacuum pump according to claim 2, wherein the induction route is formed in three arc-shaped shapes having different diameters.
KR1020080075940A 2008-08-04 2008-08-04 Vacuum pump for vehicle KR101417091B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9328733B2 (en) 2013-07-09 2016-05-03 Hyundai Motor Company Vacuum pump of vehicle preventing lubricant from reintroducing for reducing operation noise
CN111287976A (en) * 2020-03-04 2020-06-16 浙江壹达真空设备制造有限公司 Vacuum pump and control method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101738929B1 (en) * 2015-10-26 2017-05-24 영신정공 주식회사 Electric vacuum pump

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* Cited by examiner, † Cited by third party
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JP2809649B2 (en) * 1988-10-12 1998-10-15 日機装エイコー株式会社 Rotary pump
KR20000015849U (en) * 1999-01-18 2000-08-16 이일영 Pump
KR200238619Y1 (en) 2001-04-03 2001-10-10 오인숙 Vane pump
JP3900119B2 (en) 2002-07-29 2007-04-04 株式会社デンソー Vane pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9328733B2 (en) 2013-07-09 2016-05-03 Hyundai Motor Company Vacuum pump of vehicle preventing lubricant from reintroducing for reducing operation noise
CN111287976A (en) * 2020-03-04 2020-06-16 浙江壹达真空设备制造有限公司 Vacuum pump and control method

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