KR100836991B1 - Vacuum pump of automobile - Google Patents

Vacuum pump of automobile Download PDF

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Publication number
KR100836991B1
KR100836991B1 KR1020070035614A KR20070035614A KR100836991B1 KR 100836991 B1 KR100836991 B1 KR 100836991B1 KR 1020070035614 A KR1020070035614 A KR 1020070035614A KR 20070035614 A KR20070035614 A KR 20070035614A KR 100836991 B1 KR100836991 B1 KR 100836991B1
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KR
South Korea
Prior art keywords
case
lubricating oil
discharge hole
lubricant
vacuum pump
Prior art date
Application number
KR1020070035614A
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Korean (ko)
Inventor
최영호
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현대자동차주식회사
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Priority to KR1020070035614A priority Critical patent/KR100836991B1/en
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Publication of KR100836991B1 publication Critical patent/KR100836991B1/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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
    • 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

A vacuum pump of a vehicle is provided to prevent the vacuum pump from being damaged by easily discharging a lubricant stacked in a case regardless of the rotational direction of a rotor. A vacuum pump of a vehicle comprises a case(53), a lubricant feeding hole formed in the case, a first lubricant exhaust hole(61) formed in the case, and a second lubricant exhaust hole(62) formed in the case. A rotor(51) and a vane(52) are rotated in the case. A lubricant is fed into the case through the lubricant feeding hole. When the rotor rotates in the forward direction, the lubricant is discharged from the case through the first lubricant exhaust hole. When the rotor rotates in the reverse direction, the lubricant is discharged from the case through the second lubricant exhaust hole.

Description

차량용 진공펌프{Vacuum pump of automobile}Vacuum pump of automobile

도 1은 종래 기술에 따른 진공펌프의 내부가 도시된 평면도,1 is a plan view showing the inside of the vacuum pump according to the prior art,

도 2는 도 1에 도시된 진공펌프의 배면이 도시된 평면도,2 is a plan view showing the back of the vacuum pump shown in FIG.

도 3은 본 발명의 실시예에 따른 차량용 진공펌프가 도시된 정면 사시도,3 is a front perspective view showing a vehicle vacuum pump according to an embodiment of the present invention;

도 4는 도 3에 도시된 진공펌프의 배면이 도시된 배면 사시도,Figure 4 is a rear perspective view showing the back of the vacuum pump shown in FIG.

도 5는 도 3에 도시된 진공펌프의 케이스 내부가 도시된 정면도,5 is a front view showing the inside of the case of the vacuum pump shown in FIG.

도 6은 도 5에 도시된 케이스의 배면이 도시된 배면도,Figure 6 is a rear view showing the back of the case shown in FIG.

도 7은 도 4에 도시된 배출밸브가 도시된 분해 사시도.7 is an exploded perspective view showing the discharge valve shown in FIG.

<도면의 주요 부분에 관한 부호의 간단한 설명><Simple description of the code for the main part of the drawing>

50: 진공펌프 51: 로터50: vacuum pump 51: rotor

52: 베인 53: 케이스52: vane 53: case

54: 커버 60: 윤활유 공급홀54: cover 60: lubricant supply hole

61: 제 1윤활유 배출홀 62: 제 2윤활유 배출홀61: first lubricant discharge hole 62: second lubricant discharge hole

70: 배출밸브 71: 플레이트 밸브70: discharge valve 71: plate valve

72: 밸브 스토퍼72: valve stopper

본 발명은 차량용 진공펌프에 관한 것으로서, 보다 상세하게는 엔진의 역회전시에도 윤활유가 원활하게 배출될 수 있는 진공펌프에 관한 것이다. The present invention relates to a vacuum pump for a vehicle, and more particularly, to a vacuum pump that can smoothly discharge the lubricant even when the engine rotates in reverse.

일반적으로디젤 엔진이 탑재된 차량에는 브레이크 페달의 압력을 가볍게 하고 브레이크의 밀림을 방지하도록 하는 제동장치와, EGR밸브, 스로틀 바디, VGT등의 장치에 진공펌프에서 발생되는 진공압력이 이용되고 있다.In general, a vehicle equipped with a diesel engine uses a braking device for reducing the pressure of the brake pedal and preventing the brake from being pushed, and a vacuum pressure generated from a vacuum pump in devices such as an EGR valve, a throttle body, and a VGT.

도 1은 종래 기술에 따른 진공펌프의 내부가 도시된 평면도이고, 도 2는 도 1에 도시된 진공펌프의 배면이 도시된 평면도이다. 1 is a plan view showing the inside of the vacuum pump according to the prior art, Figure 2 is a plan view showing the back of the vacuum pump shown in FIG.

도 1을 참조하면, 종래 기술에 따른 진공펌프는 케이스(2)와, 상기 케이스(2)의 내부에서 편심되게 장착된 로터(4)와, 상기 로터(4)에 결합된 베인(6)을 포함한다. 상기 케이스(2)의 내부에는 윤활을 위해 윤활유가 공급된다. Referring to FIG. 1, a vacuum pump according to the related art includes a case 2, a rotor 4 eccentrically mounted inside the case 2, and a vane 6 coupled to the rotor 4. Include. Lubricating oil is supplied to the inside of the case 2 for lubrication.

도 2를 참조하면, 상기 케이스(2)의 배면에는 상기 케이스(2)로 윤활유가 공급되는 윤활유 공급홀(8)과, 상기 케이스(2)로부터 윤활유가 배출되는 윤활유 배출홀(10)이 형성된다. 상기 윤활유 배출홀(10)에는 상기 윤활유 배출홀(10)을 개폐시키는 밸브(12)가 장착된다. 2, a lubricating oil supply hole 8 through which lubricating oil is supplied to the case 2 and a lubricating oil discharge hole 10 through which lubricating oil is discharged from the case 2 are formed on a rear surface of the case 2. do. The lubricating oil discharge hole 10 is equipped with a valve 12 for opening and closing the lubricating oil discharge hole 10.

상기와 같이 구성된 진공펌프는 엔진의 회전시 연동되어 회전되는 바, 상기 로터(4)와 베인(6)이 회전되면서 진공압을 형성하고, 차량의 운전에 필요한 각 장 치로 진공압이 전달된다. The vacuum pump configured as described above is rotated in conjunction with the rotation of the engine bar, the rotor 4 and the vane 6 is rotated to form a vacuum pressure, the vacuum pressure is transmitted to each device required for driving the vehicle.

그러나, 종래 기술에 따른 진공펌프는 도 1을 참조하면, 엔진의 역회전시 상기 로터(4)와 상기 베인(6)이 역회전하게 되면, 상기 케이스(2) 내부의 윤활유가 배출되지 못하고 계속 쌓이게 되어, 상기 베인(6)이 휘거나 파손되는 문제점이 있을 뿐만 아니라, 상기 진공펌프의 파손으로 인해 브레이크 기능이 상실하여 차량의 사고를 야기시킬 수 있는 문제점이 있다. However, in the vacuum pump according to the related art, referring to FIG. 1, when the rotor 4 and the vane 6 rotate in the reverse rotation of the engine, the lubricating oil inside the case 2 may not be discharged. As a result, the vanes 6 may be bent or damaged, and the brake function may be lost due to breakage of the vacuum pump, thereby causing an accident of the vehicle.

본 발명은 엔진의 역회전으로 인한 파손이 방지될 수 있는 차량용 진공펌프를 를 제공하는데 그 목적이 있다.It is an object of the present invention to provide a vacuum pump for a vehicle which can be prevented from damage due to reverse rotation of the engine.

본 발명은 내부에 로터와 베인이 회전가능하게 설치된 케이스와, 상기 케이스에 형성되고, 상기 케이스의 내부로 윤활유가 공급되는 윤활유 공급홀과, 상기 케이스에 형성되고, 상기 로터의 정회전시 상기 케이스의 외부로 윤활유가 배출되는 제 1윤활유 배출홀과, 상기 케이스에 형성되고, 상기 로터의 역회전시 상기 케이스의 외부로 윤활유가 배출되는 제 2윤활유 배출홀을 포함하는 차량용 진공펌프를 제공한다. The present invention provides a case in which a rotor and vane are rotatably installed therein, a lubricant supply hole formed in the case and supplied with lubricating oil to the inside of the case, and formed in the case. It provides a vacuum pump for a vehicle including a first lubricating oil discharge hole for lubricating oil is discharged to the outside, and a second lubricating oil discharge hole is formed in the case, the lubricating oil is discharged to the outside of the case when the rotor is reversely rotated.

상기 제 1윤활유 배출홀과 상기 제 2윤활유 배출홀은 상기 로터의 회전축을 중심으로 서로 대향되게 위치될 수 있다. The first lubricating oil discharge hole and the second lubricating oil discharge hole may be positioned to face each other with respect to the rotation axis of the rotor.

상기 케이스에는 외부로부터 공기가 유입되는 공기유입홀이 형성되고, 상기 공기유입홀은 상기 제 2윤활유 배출홀측에 형성될 수 있다. The case may be provided with an air inlet hole through which air is introduced from the outside, and the air inlet hole may be formed at the side of the second lubricant discharge hole.

상기 차량용 진공펌프는 상기 제 1윤활유 배출홀과 상기 제 2윤활유 배출홀을 개폐시키는 배출밸브를 더 포함할 수 있다. The vehicle vacuum pump may further include a discharge valve for opening and closing the first lubricant discharge hole and the second lubricant discharge hole.

상기 배출밸브는 상기 케이스의 외측에서 상기 제 1윤활유 배출홀과 상기 제 2윤활유 배출홀을 덮도록 장착되고, 윤활유의 배출압에 의해 회동되도록 형성된 플레이트 밸브를 포함할 수 있다. The discharge valve may include a plate valve mounted to cover the first lubricating oil discharge hole and the second lubricating oil discharge hole on the outside of the case and rotated by the discharge pressure of the lubricating oil.

상기 배출밸브는 상기 플레이트 밸브의 외측에 고정 장착되어 상기 플레이트 밸브의 열림각도를 제한하는 밸브 스토퍼를 더 포함할 수 있다. The discharge valve may further include a valve stopper fixedly mounted to the outside of the plate valve to limit the opening angle of the plate valve.

상기 배출밸브는 상기 제 1윤활유 배출홀을 개폐시키는 제 1밸브와, 상기 제 1윤활유 배출홀을 개폐시키는 제 2밸브를 포함할 수 있다. The discharge valve may include a first valve for opening and closing the first lubricant discharge hole and a second valve for opening and closing the first lubricant discharge hole.

이하, 첨부된 도면을 참조하여 본 발명의 실시 예를 설명하면 다음과 같다. Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

도 3은 본 발명의 실시예에 따른 차량용 진공펌프가 도시된 정면 사시도이고, 도 4는 도 3에 도시된 진공펌프의 배면이 도시된 배면 사시도이며, 도 5는 도 3에 도시된 진공펌프의 케이스 내부가 도시된 정면도이고, 도 6은 도 5에 도시된 케이스의 배면이 도시된 배면도이며, 도 7은 도 4에 도시된 배출밸브가 도시된 분해 사시도이다. 3 is a front perspective view showing a vehicle vacuum pump according to an embodiment of the present invention, Figure 4 is a rear perspective view showing the back of the vacuum pump shown in Figure 3, Figure 5 is a vacuum pump of Figure 3 6 is a front view showing the inside of the case, and FIG. 6 is a rear view showing the back of the case shown in FIG. 5, and FIG. 7 is an exploded perspective view showing the discharge valve shown in FIG. 4.

도 3 내지 도 5를 참조하면, 본 발명의 실시예에 따른 차량용 진공펌프(50) 는 내부에 로터(51)와 베인(52)이 회전가능하게 설치된 케이스(53)와, 상기 케이스(53)를 덮는 커버(54)를 포함한다. 상기 케이스(53)의 일측은 차량 브레이크의 부스터에 연결되는 부스터 연결구(55)가 구비된다. 상기 케이스(53)의 배면에는 엔진의 캠샤프트에 연결되는 캠샤프트 연결부(56)가 구비된다. 또한, 상기 케이스(53)의 배면에는 윤활유가 공급되는 윤활유 공급홀(60)이 형성된다. 3 to 5, the vehicle vacuum pump 50 according to the embodiment of the present invention includes a case 53 in which a rotor 51 and a vane 52 are rotatably installed therein, and the case 53. Cover 54 covering the. One side of the case 53 is provided with a booster connector 55 connected to the booster of the vehicle brake. The back of the case 53 is provided with a cam shaft connecting portion 56 which is connected to the cam shaft of the engine. In addition, a lubricating oil supply hole 60 through which lubricating oil is supplied is formed at a rear surface of the case 53.

또한, 도 5 및 도 6을 참조하면, 상기 케이스(53)에는 상기 로터(51)의 정회전시 상기 케이스(53)의 외부로 윤활유가 배출되도록 형성된 제 1윤활유 배출홀(61)과, 상기 로터(51)의 역회전시 상기 케이스(53)의 외부로 윤활유가 배출되도록 형성된 제 2윤활유 배출홀(62)이 형성된다. 5 and 6, the case 53 includes a first lubricating oil discharge hole 61 formed so that lubricant oil is discharged to the outside of the case 53 when the rotor 51 rotates forward. A second lubricating oil discharge hole 62 formed to discharge lubricating oil to the outside of the case 53 when the reverse rotation of the 51 is formed.

상기 제 1윤활유 배출홀(61)과 상기 제 2윤활유 배출홀(62)은 상기 로터(51)의 회전축(51a)을 중심으로 서로 대향되게 위치될 수 있다. The first lubricating oil discharge hole 61 and the second lubricating oil discharge hole 62 may be positioned to face each other with respect to the rotation shaft 51a of the rotor 51.

또한, 도 5를 참조하면, 상기 케이스(53)에는 외부로부터 공기가 유입되는 공기유입홀(63)이 형성되고, 상기 공기유입홀(63)은 상기 제 2윤활유 배출홀(62)측에 형성될 수 있다. 즉, 상기 케이스(53)에는 윤활유의 흐름을 안내하도록 가이드홈부(53a)가 형성되고, 상기 가이드홈부(53a)의 일측에는 상기 공기유입홀(63)과 상기 제 2윤활유 배출홀(62)이 소정간격 이격되게 형성된다. In addition, referring to FIG. 5, an air inlet hole 63 through which air is introduced from the outside is formed in the case 53, and the air inlet hole 63 is formed at the side of the second lubricant discharge hole 62. Can be. That is, a guide groove 53a is formed in the case 53 to guide the flow of lubricating oil, and the air inlet hole 63 and the second lubricant discharge hole 62 are formed at one side of the guide groove 53a. It is formed to be spaced apart a predetermined interval.

그리고, 도 4 및 도 7을 참조하면, 상기 케이스(53)의 배면에는 상기 제 1윤활유 배출홀(61)과 상기 제 2윤활유 배출홀(62)을 개폐시키는 배출밸브(70)가 장착된다.4 and 7, a discharge valve 70 for opening and closing the first lubricant discharge hole 61 and the second lubricant discharge hole 62 is mounted on the rear surface of the case 53.

상기 배출밸브(70)는 상기 케이스(53)의 외측에서 상기 제 1윤활유 배출 홀(61)과 상기 제 2윤활유 배출홀(62)을 덮도록 장착되고, 윤활유의 배출압에 의해 회동되도록 형성된 플레이트 밸브(71)와, 상기 플레이트 밸브(71)의 외측에 고정 장착되어 상기 플레이트 밸브(71)의 열림각도를 제한하는 밸브 스토퍼(72)를 포함한다. 상기 플레이트 밸브(71)는 연성을 갖는 재질로 이루어질 수 있고, 상기 밸브 스토퍼(72)는 상기 플레이트 밸브(71)가 열리는 방향으로 상기 플레이트 밸브(71)와 소정간격 이격되게 위치되고, 금속재질로 이루어질 수 있다.The discharge valve 70 is mounted to cover the first lubricating oil discharge hole 61 and the second lubricating oil discharge hole 62 on the outside of the case 53, and is formed to rotate by the discharge pressure of the lubricating oil. A valve 71 and a valve stopper 72 fixedly mounted to the outside of the plate valve 71 to limit the opening angle of the plate valve 71. The plate valve 71 may be made of a flexible material, and the valve stopper 72 is positioned to be spaced apart from the plate valve 71 by a predetermined distance in a direction in which the plate valve 71 opens. Can be done.

한편, 상기 실시예에서는 한 개의 플레이트 밸브(71)가 상기 제 1윤활유 배출홀(61)과 상기 제 2윤활유 배출홀(62)을 덮는 것으로 한정하여 설명하였으나, 상기 배출밸브(70)는 상기 제 1윤활유 배출홀을 개폐시키는 제 1밸브와, 상기 제 1윤활유 배출홀을 개폐시키는 제 2밸브로 구성되는 것도 가능하다. Meanwhile, in the above embodiment, one plate valve 71 is limited to covering the first lubricant discharge hole 61 and the second lubricant discharge hole 62. However, the discharge valve 70 is the first valve. It is also possible to comprise a first valve for opening and closing the first lubricant discharge hole and a second valve for opening and closing the first lubricant discharge hole.

상기와 같이 구성된 차량용 진공펌프의 윤활유 배출방법을 설명하면 다음과 같다. Referring to the lubricating oil discharge method of the vehicle vacuum pump configured as described above are as follows.

엔진의 정회전시 상기 로터(51)와 베인(52)은 상기 엔진의 회전력을 전달받아 정회전하게 된다. 이 때, 상기 케이스(53) 내부의 윤활유는 상기 제 1윤활유 배출홀(61)을 통해 배출되게 된다. When the engine rotates forward, the rotor 51 and the vane 52 receive the rotational force of the engine and rotate forward. At this time, the lubricating oil inside the case 53 is discharged through the first lubricating oil discharge hole 61.

한편, 부득이하게 상기 엔진이 역회전하게 되면, 그에 따라 상기 로터(51)와 베인(52)도 역회전하게 된다. 도 5를 참조하면, 상기 로터(51)와 베인(52)의 역회전시에는 상기 케이스(53) 내부의 윤활유는 상기 제 2윤활유 배출홀(62)을 통해 배출될 수 있다. On the other hand, when the engine is inevitably rotated reversely, the rotor 51 and the vane 52 also rotate in reverse. Referring to FIG. 5, in the reverse rotation of the rotor 51 and the vane 52, the lubricating oil inside the case 53 may be discharged through the second lubricant discharge hole 62.

따라서, 상기 로터(51)의 회전방향에 관계없이 상기 케이스(53) 내부에 쌓인 윤활유를 원활히 배출할 수 있기 때문에, 상기 케이스(53) 내부에 쌓인 윤활유에 의해 상기 로터(51)나 베인(52)이 손상되는 현상이 방지될 수 있다. Therefore, the lubricant 51 accumulated in the case 53 can be smoothly discharged regardless of the rotational direction of the rotor 51, so that the rotor 51 or the vanes 52 are formed by the lubricant oil accumulated in the case 53. ) Can be prevented from being damaged.

본 발명에 따른 차량용 진공펌프는 로터의 정회전시 윤활유가 배출되는 제 1윤활유 배출홀과, 상기 로터의 역회전시 윤활유가 배출되도록 형성된 제 2윤활유 배출홀이 각각 형성됨으로써, 상기 로터의 회전방향에 관계없이 상기 케이스 내부에 쌓인 윤활유가 원활히 배출될 수 있기 때문에, 진공펌프의 손상이 방지될 수 있는 효과가 있다. The vacuum pump for a vehicle according to the present invention includes a first lubricant discharge hole through which lubricating oil is discharged during forward rotation of the rotor, and a second lubricant discharge hole formed so that lubricating oil is discharged upon reverse rotation of the rotor, respectively, in the direction of rotation of the rotor. Regardless, since the lubricating oil accumulated in the case can be smoothly discharged, there is an effect that damage to the vacuum pump can be prevented.

Claims (7)

내부에 로터와 베인이 회전가능하게 설치된 케이스와;A case in which the rotor and the vane are rotatably installed therein; 상기 케이스에서 상기 케이스의 내부로 윤활유가 공급되도록 형성된 윤활유 공급홀과;A lubricant supply hole formed to supply lubricant oil from the case to the inside of the case; 상기 케이스에서 상기 로터의 정회전시 상기 케이스의 외부로 윤활유가 배출되도록 형성된 제 1윤활유 배출홀과;A first lubricating oil discharge hole formed to discharge lubricating oil to the outside of the case when the rotor rotates forward from the case; 상기 케이스에서 상기 로터의 역회전시 상기 케이스의 외부로 윤활유가 배출되도록 형성된 제 2윤활유 배출홀을 포함하는 차량용 진공펌프.And a second lubricating oil discharge hole formed to discharge lubricating oil to the outside of the case when the rotor rotates in the case. 청구항 1에 있어서, The method according to claim 1, 상기 제 1윤활유 배출홀과 상기 제 2윤활유 배출홀은 상기 로터의 회전축을 중심으로 서로 대향되게 위치된 차량용 진공펌프.The first lubricating oil discharge hole and the second lubricating oil discharge hole are positioned opposite to each other about a rotation axis of the rotor. 청구항 1에 있어서,The method according to claim 1, 상기 케이스에는 외부로부터 공기가 유입되는 공기유입홀이 형성되고, 상기 공기유입홀은 상기 제 2윤활유 배출홀측에 형성된 차량용 진공펌프. The case has an air inlet hole through which air is introduced from the outside, the air inlet hole is a vehicle vacuum pump formed on the side of the second lubricating oil discharge hole. 청구항 1에 있어서, The method according to claim 1, 상기 차량용 진공펌프는 상기 제 1윤활유 배출홀과 상기 제 2윤활유 배출홀 을 개폐시키는 배출밸브를 더 포함하는 차량용 진공펌프The vehicle vacuum pump further includes a vehicle vacuum pump further comprising a discharge valve for opening and closing the first lubricant discharge hole and the second lubricant discharge hole. 청구항 4에 있어서, The method according to claim 4, 상기 배출밸브는 상기 케이스의 외측에서 상기 제 1윤활유 배출홀과 상기 제 2윤활유 배출홀을 덮도록 장착되고, 윤활유의 배출압에 의해 회동되도록 형성된 플레이트 밸브를 포함하는 차량용 진공펌프. The discharge valve is a vehicle vacuum pump including a plate valve mounted to cover the first lubricating oil discharge hole and the second lubricating oil discharge hole in the outer side of the case, and is rotated by the discharge pressure of the lubricating oil. 청구항 5에 있어서, The method according to claim 5, 상기 배출밸브는 상기 플레이트 밸브의 외측에 고정 장착되어 상기 플레이트 밸브의 열림각도를 제한하는 밸브 스토퍼를 더 포함하는 차량용 진공펌프. The discharge valve is a vehicle vacuum pump further comprises a valve stopper fixed to the outside of the plate valve to limit the opening angle of the plate valve. 청구항 4에 있어서, The method according to claim 4, 상기 배출밸브는 상기 제 1윤활유 배출홀을 개폐시키는 제 1밸브와, 상기 제 1윤활유 배출홀을 개폐시키는 제 2밸브를 포함하는 차량용 진공펌프. The discharge valve includes a first valve for opening and closing the first lubricating oil discharge hole and a second valve for opening and closing the first lubricating oil discharge hole.
KR1020070035614A 2007-04-11 2007-04-11 Vacuum pump of automobile KR100836991B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101355550B1 (en) * 2012-04-19 2014-01-24 캄텍주식회사 Vane-Rotor and Vacuum Pump using the same
KR101509898B1 (en) 2013-07-09 2015-04-07 현대자동차주식회사 Vacuum pump of vehicle for reducing operation noise
KR101577205B1 (en) 2015-04-20 2015-12-15 캄텍주식회사 A vacuum pump for a vechicle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100309250B1 (en) * 1995-09-04 2001-12-17 토마스 크라우제,요르그 휘셔 Rotary piston pump with slide valve driven by rotor
KR20060122951A (en) * 2004-03-10 2006-11-30 도요다 지도샤 가부시끼가이샤 Gas vane pump, and method of operating the pump

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100309250B1 (en) * 1995-09-04 2001-12-17 토마스 크라우제,요르그 휘셔 Rotary piston pump with slide valve driven by rotor
KR20060122951A (en) * 2004-03-10 2006-11-30 도요다 지도샤 가부시끼가이샤 Gas vane pump, and method of operating the pump

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101355550B1 (en) * 2012-04-19 2014-01-24 캄텍주식회사 Vane-Rotor and Vacuum Pump using the same
KR101509898B1 (en) 2013-07-09 2015-04-07 현대자동차주식회사 Vacuum pump of vehicle for reducing operation noise
US9328733B2 (en) 2013-07-09 2016-05-03 Hyundai Motor Company Vacuum pump of vehicle preventing lubricant from reintroducing for reducing operation noise
DE102013114166B4 (en) 2013-07-09 2021-07-15 Hyundai Motor Company Vacuum pump of a vehicle to reduce operating noise
KR101577205B1 (en) 2015-04-20 2015-12-15 캄텍주식회사 A vacuum pump for a vechicle

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