KR20170074776A - 엔진 배압 브레이크 및 압축 이완 엔진 브레이크를 구비하는 내연 기관 - Google Patents
엔진 배압 브레이크 및 압축 이완 엔진 브레이크를 구비하는 내연 기관 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
- F01L1/181—Centre pivot rocking arms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/20—Adjusting or compensating clearance
- F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
- F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/20—Adjusting or compensating clearance
- F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
- F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
- F01L1/2411—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the valve stem and rocker arm
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/20—Adjusting or compensating clearance
- F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
- F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
- F01L1/2422—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means or a hydraulic adjusting device located between the push rod and rocker arm
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0242—Variable control of the exhaust valves only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0276—Actuation of an additional valve for a special application, e.g. for decompression, exhaust gas recirculation or cylinder scavenging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/04—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation using engine as brake
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/06—Cutting-out cylinders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D17/00—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling
- F02D17/02—Cutting-out
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
- F02D31/001—Electric control of rotation speed
- F02D31/007—Electric control of rotation speed controlling fuel supply
- F02D31/009—Electric control of rotation speed controlling fuel supply for maximum speed control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/04—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning exhaust conduits
- F02D9/06—Exhaust brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
- B60W10/198—Conjoint control of vehicle sub-units of different type or different function including control of braking systems with exhaust brakes
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- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
Description
도 1은 본 발명의 일 실시예에 따른 유압식 밸브 간극 보상 수단을 갖는 밸브 트레인을 도시하며,
도 2는 도 1의 밸브 트레인의 배기 밸브들 상에 엔진 브레이킹 모드 도중에 작용하는 힘들의 예시를 도시하고,
도 3은 본 발명의 일 실시예에 따른 엔진 브레이킹 모드로부터 연소 모드로의 전이에 대한 예시를 도시하며, 그리고
도 4는 밸브 점프가 일어날 수 있는 범위들에 대한 예시를 도시한다.
1b: 스프링 칼라 2: 배기 덕트
3: 로커 암 4: 밸브 크로스헤드
5: 폐쇄 스프링 6: 밸브 간극 보상 요소
7: 실린더 헤드 7a: 실린더 헤드 표면
8: 지지 캡 9: 베어링 블록
10: 엔진 속도 제한 장치 11: 밸브 트레인
12: 엔진 속도 특성 13, 14: 밸브 점프 없는 범위
15: 전이 구역 16: 밸브 점프를 동반하는 범위
t1: 엔진 브레이킹 모드의 종료 t2: 엔진 속도 한계의 도달
t3: 연소 모드의 시작
F1: 유압식 밸브 간극 보상 요소의 오일 압력
F2: 유압식 밸브 간극 보상 요소의 스프링력
F3: 폐쇄 스프링의 스프링력 F4: 마찰력
F5: 엔진 배압 브레이크에 의한 가스 압력
F6: 실린더 내의 연소 챔버 압력에 의한 가스 압력
V1: 배기 밸브와 밸브 시트 링 사이의 갭 크기
Claims (9)
- 캠 샤프트 및 전달 장치(3, 4, 5)를 통해 구동될 수 있는, 실린더 당 적어도 하나의 배기 밸브(1)로서, 유압식 밸브 간극 보상 요소(6)가 전달 장치(3, 4, 5) 내에서 캠 샤프트와 배기 밸브(1) 사이에 배열되는 것인, 실린더 당 적어도 하나의 배기 밸브, 및 엔진 브레이크 장치로서, 배기 가스 배압을 형성하기 위한 엔진 배압 브레이크 및, 적어도 하나의 배기 밸브가 그에 의해 적어도 엔진 브레이킹 국면에서 개방 상태로 유지될 수 있는 것인, 상기 유압식 밸브 간극 보상 요소(6)에 의해 형성되는 압축 이완 엔진 브레이크를 구비하는, 엔진 브레이크 장치를 구비하는, 내연 기관으로서,
내연 기관은, 사전 결정된 중단 엔진 속도(n1) 위에서 연료의 분사를 정지시키도록 구성되는, 엔진 속도 제한 장치(10)를 구비하며; 그리고
전달 장치(3, 4, 5), 엔진 배압 브레이크 및 유압식 밸브 간극 보상 요소(6)는, 갭이 그 위에서 엔진 브레이킹 모드에서의 캠 기초원 페이즈 내에서 배기 밸브와 연관된 밸브 시트 링 사이에 생성되는, 엔진 속도 한계(n2)가, 거리 값(Δn) 만큼 중단 엔진 속도(n1) 위에 놓이는 방식으로, 설계되는 것을 특징으로 하는 내연 기관. - 제 1항에 있어서,
전달 장치(3, 4, 5), 엔진 배압 브레이크 및 유압식 밸브 간극 보상 요소(6)는, 캠 기초원 페이즈 내의 배기 밸브 상에 폐쇄 방향(C)으로 작용하는 힘들(F3, F4, F6)의 합이, 개방 방향으로 작용하는 힘들(F1, F2, F5)의 합보다, 사전 결정된 엔진 속도 한계(n2) 아래의 내연 기관의 엔진 속도의 경우에서만 더 큰 방식으로, 설계되며, 그 결과 배기 밸브가 엔진 속도 한계(n2) 아래의 내연 기관의 엔진 속도에서 캠 기초원 페이즈 내의 폐쇄 위치에 유지되며 그리고 엔진 속도 한계(n2)보다 더 크거나 또는 그와 동등한 내연 기관의 엔진 속도에서 개방 위치로 이동하게 되는 것을 특징으로 하는 내연 기관. - 제 2항에 있어서,
(a) 폐쇄 방향(C)으로 작용하는 힘들은, 배기 밸브(1)의 밸브 스프링력(F3) 및 연소 챔버 측부에서 생성되는 가스 압력(F6)을 포함하며; 그리고
(b) 개방 방향(O)으로 작용하는 힘들은, 엔진 배압 브레이크에 의해 생성되는 배기 가스 압력의 가스 압력(F5), 밸브 간극 보상 요소에 의해 생성되는 오일 압력(F1), 및 유압식 밸브 간극 보상 요소(6)의 복원 스프링의 스프링력(F2)을 포함하는 것을 특징으로 하는 내연 기관. - 제 1항 내지 제 3항 중 어느 한 항에 있어서,
유압식 밸브 간극 보상 요소(6)는, 압력 공간에 인접한 피스톤 및, 스프링에 의해 부하를 받게 되는 체크 밸브를 통해 압력 공간 내로 개방되는, 오일 압력 라인을 포함하는 것을 특징으로 하는 내연 기관. - 제 4항에 있어서,
밸브 간극 보상 요소(6)의 압력 공간으로부터 나오며 그리고 제어 가능한 이완 밸브를 통해 압력 싱크에 연결될 수 있는 이완 라인이, 제공되지 않는 것을 특징으로 하는 내연 기관. - 제 5항에 있어서,
단지 배기 행정의 시작 시에만 이완 라인의 배기 개구를 개방하도록 구성되는 카운터 홀더가, 제공되지 않는 것을 특징으로 하는 내연 기관. - 제 1항 내지 제 6항 중 어느 한 항에 있어서,
전달 장치는:
(a) 밸브 크로스헤드(4); 및
(b) 로커 암(3) 또는 견인 레버로서 구성되고, 캠 샤프트에 의해 구동되며, 그리고 밸브 크로스헤드(4)를 통해 배기 밸브들(1) 상에 작용하는, 밸브 레버를 포함하는 것을 특징으로 하는 내연 기관. - 제 4항 내지 제 7항 중 어느 한 항에 있어서,
유압식 밸브 간극 보상 요소(6)의, 피스톤, 체크 밸브, 및 스프링은, 밸브 레버와 밸브 크로스헤드(4) 사이에 배열되는 것을 특징으로 하는 내연 기관. - 제 1항 내지 제 8항 중 어느 한 항에 따른 내연 기관을 구비하는, 차량, 특히 상용 차량.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015016723.5A DE102015016723A1 (de) | 2015-12-22 | 2015-12-22 | Brennkraftmaschine mit einer Motorstaubremse und einer Dekompressionsbremse |
| DE102015016723.5 | 2015-12-22 |
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| KR20170074776A true KR20170074776A (ko) | 2017-06-30 |
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| KR1020160172557A Ceased KR20170074776A (ko) | 2015-12-22 | 2016-12-16 | 엔진 배압 브레이크 및 압축 이완 엔진 브레이크를 구비하는 내연 기관 |
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| US (1) | US10167751B2 (ko) |
| EP (1) | EP3187703B1 (ko) |
| KR (1) | KR20170074776A (ko) |
| CN (1) | CN106907258B (ko) |
| BR (1) | BR102016029397B1 (ko) |
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| US10393033B1 (en) * | 2018-03-28 | 2019-08-27 | GM Global Technology Operations LLC | Hydraulic system purging via position synchronized solenoid pulsing |
| DE102019212932A1 (de) * | 2019-08-28 | 2021-03-04 | Volkswagen Aktiengesellschaft | Verfahren zur Zylindergleichstellung einer Verbrennungskraftmaschine |
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| DE3923371C1 (en) * | 1989-07-14 | 1990-06-13 | Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De | IC engine valve control system - can adjust exhaust valve lift to give throttle effect during engine braking |
| ES2116123T3 (es) * | 1995-04-04 | 1998-07-01 | Steyr Nutzfahrzeuge | Procedimiento para el frenado por motor con un motor de combustion interna de cuatro tiempos. |
| US6705282B2 (en) * | 2002-03-01 | 2004-03-16 | International Engine Intellectual Property Company, Llc | Method and apparatus to provide engine compression braking |
| US6925976B2 (en) * | 2003-03-06 | 2005-08-09 | Jenara Enterprises Ltd. | Modal variable valve actuation system for internal combustion engine and method for operating the same |
| US7055496B1 (en) * | 2005-09-07 | 2006-06-06 | International Engine Intellectual Property Company, Llc | Strategy for engine fueling during return to positive power flow after engine brake de-activation |
| JP4380695B2 (ja) * | 2006-12-18 | 2009-12-09 | トヨタ自動車株式会社 | 可変動弁機構付き内燃機関 |
| US7823553B2 (en) * | 2007-03-16 | 2010-11-02 | Jacobs Vehicle Systems, Inc. | Engine brake having an articulated rocker arm and a rocker shaft mounted housing |
| DE102008061412A1 (de) * | 2008-07-11 | 2010-01-14 | Man Nutzfahrzeuge Ag | Hydraulischer Ventil- und EVB-Spielausgleich |
| DE102008032775A1 (de) | 2008-07-11 | 2010-01-14 | Man Nutzfahrzeuge Aktiengesellschaft | Brennkraftmaschine mit einer Motorbremseinrichtung und einem Ventilspielausgleichsmechanismus |
| CN101769186B (zh) * | 2009-01-05 | 2012-12-05 | 杨柳 | 带有双油压控制阀的发动机制动装置和方法 |
| KR101057894B1 (ko) * | 2009-09-22 | 2011-08-22 | 기아자동차주식회사 | 차량의 엔진브레이크 장치 |
| US8689769B2 (en) * | 2010-05-12 | 2014-04-08 | Caterpillar Inc. | Compression-braking system |
| AT511041B1 (de) | 2011-02-10 | 2012-12-15 | Avl List Gmbh | Brennkraftmaschine |
| US8863726B2 (en) | 2011-09-21 | 2014-10-21 | Jacobs Vehicle Systems, Inc. | Method and system for engine cylinder decompression |
| GB2503705A (en) * | 2012-07-05 | 2014-01-08 | Eaton Srl | Hydraulic Lash Adjuster and Lost Motion System |
| DE102013015499A1 (de) * | 2013-09-19 | 2015-03-19 | Man Truck & Bus Ag | Vorrichtung und Verfahren zum Betätigen zumindest eines Auslassventils einer ventilgesteuerten Brennkraftmaschine |
-
2015
- 2015-12-22 DE DE102015016723.5A patent/DE102015016723A1/de not_active Withdrawn
-
2016
- 2016-11-21 EP EP16002472.5A patent/EP3187703B1/de not_active Not-in-force
- 2016-12-14 BR BR102016029397-9A patent/BR102016029397B1/pt not_active IP Right Cessation
- 2016-12-16 KR KR1020160172557A patent/KR20170074776A/ko not_active Ceased
- 2016-12-21 RU RU2016150392A patent/RU2726237C2/ru active
- 2016-12-21 CN CN201611188071.4A patent/CN106907258B/zh not_active Expired - Fee Related
- 2016-12-22 US US15/388,054 patent/US10167751B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US10167751B2 (en) | 2019-01-01 |
| BR102016029397A2 (pt) | 2017-08-29 |
| RU2726237C2 (ru) | 2020-07-10 |
| CN106907258B (zh) | 2021-04-09 |
| BR102016029397B1 (pt) | 2023-03-21 |
| DE102015016723A1 (de) | 2017-08-03 |
| EP3187703B1 (de) | 2018-05-23 |
| EP3187703A1 (de) | 2017-07-05 |
| CN106907258A (zh) | 2017-06-30 |
| US20170175598A1 (en) | 2017-06-22 |
| RU2016150392A (ru) | 2018-06-22 |
| RU2016150392A3 (ko) | 2020-03-04 |
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