KR20150117641A - 분리 가능한 구동 커플링을 갖는 진공 펌프 - Google Patents
분리 가능한 구동 커플링을 갖는 진공 펌프 Download PDFInfo
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- KR20150117641A KR20150117641A KR1020157017671A KR20157017671A KR20150117641A KR 20150117641 A KR20150117641 A KR 20150117641A KR 1020157017671 A KR1020157017671 A KR 1020157017671A KR 20157017671 A KR20157017671 A KR 20157017671A KR 20150117641 A KR20150117641 A KR 20150117641A
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- vacuum pump
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- input shaft
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- 239000000463 material Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
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- 229910052782 aluminium Inorganic materials 0.000 description 1
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- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Images
Classifications
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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
- 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
- F04C18/356—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 outer 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
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/06—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids specially adapted for stopping, starting, idling or no-load operation
-
- 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
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/28—Safety arrangements; Monitoring
-
- 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
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/005—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
-
- 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
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/005—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
- F04C29/0071—Couplings between rotors and input or output shafts acting by interengaging or mating parts, i.e. positive coupling of rotor and shaft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
Description
도 2는 도 1에 대응하는 도면으로서 다른 종단에서의 진공 펌프를 도시한 도면.
도 3은 도 1 및 도 2의 펌프를 관통한 축 방향 횡단면도로서, 진공 펌프는 도시하지 않음.
도 4 내지 도 9는 도 3의 펌프의 작동 단계를 도시한 도면.
도 10 내지 도 12는 유압 요소 기능 회로를 도시한 도면.
도 13은 본 발명을 포함된 진공 펌프에 연결된 진공 브레이크 부스터를 도시한 도면.
11 : 로터 챔버
12 : 엔드 플레이트
13 : 입력 샤프트
14 : 구동 도그(올드햄 커플링)
15 : 소직경 종단
16 : 유입구 연결부
17 : 체크 밸브
18 : 장착 구멍
19 : 지지 표면
20 : 분리 가능한 구동 커플링
21 : 펌프 하우징
22 : 출력 샤프트/펌프 로터
23 : 실린더 보어
24 : 환형 피스톤
25 : 스플라인
26 : 디스크 스프링
27 : 피스톤 링
28 : 피스톤 베이스
28a : 피스톤 벽
29 : 베어링
29a : 지지 표면
30 : 오일 시일
31 : 입력 샤프트의 클러치 면
32 : 클러치 링
33 : 스플라인
34 : 디스크 스프링 (벨빌 와셔)
35 : 서클립
36 : 구동 치차
37 : 종동 치차
38 : 숄더
41 : 유입구
42 : 그루브
43 : 드레인 통로
44 : 셔틀 밸브/배기 밸브
45 : 셔틀 밸브 보어
46 : 축 방향 그루브
47 : 반경 방향 및 축 방향 드레인 통로
48 : 중앙 드레인 보어
49 : 스러트스 와셔
50 : 언더컷
59 : 윤활 경로
60 : 압력 오일원
61 : 제어 신호 라인
62 : 피스톤 챔버
63 : 드레인
64 ; 차량 엔진
65 : 진공 리저버
66 ; 진공 덕트
67 : 체크 밸브
68 ; 기준 신호 라인
69 : 진공 밸브
70 : 대기
71 : 브레이크 마스터 실린더
72 : 진공 부스터
73 : 유체 리저버
74 : 브레이크 페달
75 : 브레이크 압력
76: 차량 구조체
77: 구동 샤프트
80: 펌프 로터
81: 로터 보어 샤프트
Claims (14)
- 분리 가능한 구동 커플링(20)을 갖되, 분리 가능한 구동 커플링(20)은 입력 샤프트(13), 동축적인 출력 샤프트(22) 그리고 샤프트(13, 22)의 축 방향으로 이동 가능한 커플링 슬리브를 포함하며, 분리 가능한 구동 커플링(20)은 속도 동기 클러치(31, 32) 그리고 구동 형성부(36, 37)를 더 가지고, 커플링 슬리브는 입력 샤프트(13)가 회전을 위하여 출력 샤프트(22)에 결합된 결합 상태로 탄성적으로 밀어붙여지며, 입력 샤프트(13)가 출력 샤프트(22)와의 회전으로부터 분리되는 분리 상태를 이루기 위하여 결합 슬리브는 유체 압력 증가에 응답하여 이동 가능한 환형 피스톤(24)의 부분을 형성하는 진공 펌프.
- 제1항에 있어서, 입력 샤프트(13)는 출력 샤프트(22) 내에서 축받이되며(journalled), 출력 샤프트(22)는 환형 피스톤(24)을 위한 실린더 보어(23)를 한정하며, 그리고 환형 피스톤(24)은 실린더 보어(23)에 대한 회전에 맞서 고정된 진공 펌프(10).
- 제1항 또는 제2항에 있어서, 환형 피스톤(24)은 베이스(28) 그리고 슬리브(20)를 한정하는 벽(28a)을 포함하며, 구동 형성부(36, 37)는 입력 샤프트(13)의 구동 치차(36)와 결합 가능한 베이스(28)에서의 종동 치차(37)에 의하여 제공된 진공 펌프(10).
- 제3항에 있어서, 환형 피스톤(24)은 환형 피스톤과 함께 회전 상태로 고정되고 그리고 환형 피스톤의 축 방향으로 이동 가능한 내부 클러치 링(32)을 포함하되, 클러치 링(32)은 입력 샤프트(13)의 대응하는 원형 클러치 면(31)과 맞물림 가능한 경사진 원형 클러치 면(30)을 한정하는 진공 펌프(10).
- 제4항에 있어서, 클러치 면(30, 31)은 입력 샤프트(13)와 클러치 링(32) 사이에 작용하는 탄성 수단(34)에 의하여 결합부로 바이어스된 진공 펌프(10).
- 제1항 내지 제5항 중 한 항에 있어서, 환형 피스톤(24)은 결합 상태에서 입력 샤프트(13)의 숄더(38)와 결합하는 진공 펌프(10).
- 제1항 내지 제6항 중 한 항에 있어서, 출력 샤프트(22)는 축 방향으로 연장된, 반경 방향의 외부 지지 표면(19)을 가지며, 그리고 구동부(20)는 내부에서의 회전을 위한 지지 표면(19)을 수용하기 위하여 보어(81)를 한정하는 하우징(21)을 더 포함하는 진공 펌프(10).
- 제7항에 있어서, 출력 샤프트(22)는 진공 펌프(10)의 로터(80)를 포함하며, 그리고 하우징(21)은 진공 펌프(10)의 로터 챔버(11)를 포함하는 진공 펌프(10).
- 제8항에 있어서, 하우징(21) 내에 압력 하의 유체를 위한 유입구(41)를 포함하며, 유입구(16)는 지지 표면(19)에 대하여 개방되고 그리고 지지 표면(19)을 통하여 환형 피스톤(24)에 연결되어 분리 상태로의 이동을 용이하게 하는 진공 펌프(10).
- 제9항에 있어서, 유입구의 윤활을 용이하게 하기 위하여 유입구(41)는 지지 표면(19)을 통하여 펌프 로터(80)에 연결된 진공 펌프(10).
- 제9항 또는 제10항에 있어서, 하우징(21) 내에 배기 밸브(44)를 더 포함하여 그로 인하여 필요시 환형 피스톤(24) 상에 작용하는 유체 압력이 완화되는 진공 펌프(10).
- 제11항에 있어서, 필요시 유체 드레인 통로(43)를 차단하기 위하여 배기 밸브(44)는 열림 상태에서 닫힘 상태로 보어(45) 내에서 슬라이딩 가능한 스풀 밸브(44)를 더 포함하는 진공 펌프(10).
- 제12항에 있어서, 스풀 밸브(44)는 열림 상태에서 하우징(21)으로부터 돌출된 진공 펌프(10).
- 제1항 내지 제13항 중 어느 한 항의 진공 펌프(10)를 포함하는 차량 엔진(64).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12198576.6 | 2012-12-20 | ||
EP12198576.6A EP2746584A1 (en) | 2012-12-20 | 2012-12-20 | Disconnectable Drive For A Vacuum Pump |
PCT/EP2013/077392 WO2014096195A2 (en) | 2012-12-20 | 2013-12-19 | A vacuum pump having a disconnectable drive coupling |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20150117641A true KR20150117641A (ko) | 2015-10-20 |
KR102145512B1 KR102145512B1 (ko) | 2020-08-18 |
Family
ID=47603073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020157017671A Expired - Fee Related KR102145512B1 (ko) | 2012-12-20 | 2013-12-19 | 분리 가능한 구동 커플링을 갖는 진공 펌프 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9856877B2 (ko) |
EP (2) | EP2746584A1 (ko) |
KR (1) | KR102145512B1 (ko) |
CN (1) | CN104937272B (ko) |
WO (1) | WO2014096195A2 (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6348598B2 (ja) * | 2013-12-19 | 2018-06-27 | ピアーブルグ パンプ テクノロジー ゲゼルシャフト ミット ベシュレンクテル ハフツングPierburg Pump Technology GmbH | 内燃機関及び切り換え可能な真空ポンプを備えた自動車ユニットの配列 |
WO2015090416A1 (de) | 2013-12-19 | 2015-06-25 | Pierburg Pump Technology Gmbh | Kfz-vakuumpumpe mit schaltbarer kupplung |
EP3574226B1 (en) * | 2017-01-30 | 2023-08-02 | Litens Automotive Partnership | Clutched vacuum pump system |
CN110319013B (zh) * | 2019-06-28 | 2020-06-23 | 浙江吉利控股集团有限公司 | 真空泵及具有该真空泵的车辆 |
CN113638879B (zh) * | 2021-09-07 | 2023-03-24 | 湖南腾智机电有限责任公司 | 一种电磁离合双联泵 |
CN116637378A (zh) * | 2023-06-05 | 2023-08-25 | 云南玉药生物制药有限公司 | 一种中药提取用恒定负压装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000031419A1 (de) * | 1998-11-24 | 2000-06-02 | Luk Automobiltechnik Gmbh & Co. Kg | Vakuumpumpe |
WO2008061749A1 (de) * | 2006-11-23 | 2008-05-29 | Ixetic Hückeswagen Gmbh | Pumpe |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1718197A (en) * | 1925-05-16 | 1929-06-18 | Lgs Devices Corp | Disengageable spring clutch |
DE2017237A1 (de) * | 1970-04-10 | 1971-10-28 | Daimler-Benz AG, 7000 Stuttgart-Untertürkheim | Synchronisiervorrichtung für Schaltgetriebe |
FR2871109B1 (fr) * | 2004-06-03 | 2006-09-22 | Peugeot Citroen Automobiles Sa | Module de transmission pour un groupe motopropulseur, notamment pour vehicules automobiles |
DE102006036445A1 (de) | 2006-08-04 | 2008-05-15 | Robert Bosch Gmbh | Vakuumerzeugung in hybridgetriebenen Fahrzeugen |
JP5300070B2 (ja) * | 2008-12-17 | 2013-09-25 | ナブテスコ株式会社 | ユニットブレーキ |
US8887891B2 (en) * | 2010-10-15 | 2014-11-18 | GM Global Technology Operations LLC | Powertrain pressure and flow control system for dog clutches |
ITTO20110467A1 (it) * | 2011-05-30 | 2012-12-01 | Vhit Spa | Pompa per vuoto rotativa, in particolare per autoveicoli, e relativo metodo di comando |
-
2012
- 2012-12-20 EP EP12198576.6A patent/EP2746584A1/en not_active Withdrawn
-
2013
- 2013-12-19 EP EP13817913.0A patent/EP2935893B1/en active Active
- 2013-12-19 KR KR1020157017671A patent/KR102145512B1/ko not_active Expired - Fee Related
- 2013-12-19 CN CN201380063276.8A patent/CN104937272B/zh not_active Expired - Fee Related
- 2013-12-19 US US14/650,595 patent/US9856877B2/en active Active
- 2013-12-19 WO PCT/EP2013/077392 patent/WO2014096195A2/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000031419A1 (de) * | 1998-11-24 | 2000-06-02 | Luk Automobiltechnik Gmbh & Co. Kg | Vakuumpumpe |
WO2008061749A1 (de) * | 2006-11-23 | 2008-05-29 | Ixetic Hückeswagen Gmbh | Pumpe |
Also Published As
Publication number | Publication date |
---|---|
US9856877B2 (en) | 2018-01-02 |
EP2935893B1 (en) | 2020-09-23 |
EP2935893A2 (en) | 2015-10-28 |
KR102145512B1 (ko) | 2020-08-18 |
CN104937272B (zh) | 2017-09-15 |
CN104937272A (zh) | 2015-09-23 |
WO2014096195A3 (en) | 2014-08-21 |
US20150316059A1 (en) | 2015-11-05 |
WO2014096195A2 (en) | 2014-06-26 |
EP2746584A1 (en) | 2014-06-25 |
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