JPH11513092A - 2サイクル圧縮リリースブレーキ付き4サイクル内燃機関 - Google Patents
2サイクル圧縮リリースブレーキ付き4サイクル内燃機関Info
- Publication number
- JPH11513092A JPH11513092A JP9508587A JP50858797A JPH11513092A JP H11513092 A JPH11513092 A JP H11513092A JP 9508587 A JP9508587 A JP 9508587A JP 50858797 A JP50858797 A JP 50858797A JP H11513092 A JPH11513092 A JP H11513092A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- fluid
- internal combustion
- combustion engine
- cam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
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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
-
- 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
- F01L13/08—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during starting; for changing compression ratio
-
- 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
- F01L13/08—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during starting; for changing compression ratio
- F01L13/085—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during starting; for changing compression ratio the valve-gear having an auxiliary cam protruding from the main cam profile
-
- 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
- F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
- F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
- F01L9/11—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column
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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
-
- 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
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/08—Shape of cams
-
- 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
- F01L1/36—Valve-gear or valve arrangements, e.g. lift-valve gear peculiar to machines or engines of specific type other than four-stroke cycle
- F01L1/38—Valve-gear or valve arrangements, e.g. lift-valve gear peculiar to machines or engines of specific type other than four-stroke cycle for engines with other than four-stroke cycle, e.g. with two-stroke cycle
-
- 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
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/34423—Details relating to the hydraulic feeding circuit
- F01L2001/34446—Fluid accumulators for the feeding circuit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.内燃機関(10、10a、10bおよび10c)であって、該内燃機関のシ リンダに関連する吸入バルブ(30)と、該シリンダに関連する排出バルブ(6 0)と、該吸入バルブ(30)の可能な開きに同期した少なくとも1つのローブ (42a、42bおよび42)を有する吸入カム(40)と、該排出バルブ(6 0)の可能な開きに同期した複数のローブ(72aおよび72b)を有する排出 カム(70)と、該吸入カムローブ(42a、42bおよび42)に選択的に応 答して該吸入バルブ(30)を開けるように該吸入カム(40)および該吸入バ ルブ(30)の間で作動可能に結合された作動液を含有する第1の流体連結部( 50、54および58)と、該排出カムローブ(72aおよび72b)に選択的 に応答して該排出バルブ(60)を開けるように該排出カム(70)および該排 出バルブ(60)の間に作動可能に結合された作動液を含有する第2の流体連結 部(80、84および86)と、該第1の流体連結部(50、54および58) 内の作動液圧を選択的に制御することにより、該吸入カムローブ(42a、42 bおよび42)に応答して該吸入バルブ(30)の開きを選択的に調整する第1 の作動液制御部(52)と、該第2の流体連結部(80、84および88)内の 作動液圧を選択的に制御することにより、該排出カムローブ(72aおよび72 b)に応答して該排出バルブ(60)の開きを選択的に調整する第2の作動液制 御部(82)とを備え、該第1および第2の作動液制御部(52および82)が 、該エンジンの4サイクルポジティブパワーモードまたは2サイクル圧縮リリー スブレーキモード作動のいずれにおいても、該吸入および排出カムローブ(42 a、42b、42、72aおよび72b)に応答して、該吸入および排出バルブ (30および60)の開きを生じるように該第1および第2の流体連結部(54 および84)を制御するように選択的に作動可能であることを特徴とする、内燃 機関。 2.前記作動液制御部(52および82)の少なくとも一方が、該作動液制御部 に関連する前記流体連結部(54および84)から作動液を選択的にリリースす るためのバルブ(52および82)を含む、請求項1に記載の内燃機関。 3.前記バルブ(52および82)が、電子制御回路(100)によって制御さ れる電動バルブである、請求項2に記載の内燃機関。 4.前記流体連結部(54および84)の少なくとも一方が、該流体連結部が作 動可能に結合された前記カム(40および70)上の前記単数または複数のロー ブに応答して往復運動するマスタピストン(50および80)と、該流体連結部 (54および84)内における作動液の圧力および流量(pressure and flow)に 応答して選択的に往復運動するスレーブピストン(58および88)とを備え、 これにより、該流体連結部(54および84)が作動可能に結合した前記バルブ (30および60)を選択的に開く、請求項1に記載の内燃機関。 5.前記排出バルブ(60)を、前記排出カム(70)上の任意の第1のローブ (72aおよび72b)に応答して完全に閉じた状態に維持し、該排出カム(7 0)上の任意の第2のローブ(72aおよび72b)に応答して開くように、前 記第2の作動液制御部(82)が選択的に作動可能である、請求項1に記載の内 燃機関。 6.前記吸入カム(40)が複数のローブ(42aおよび42b)を有し、且つ 、前記吸入バルブ(30)を、該吸入カム(40)上の任意の第1のローブ(4 2aおよび42b)に応答して完全に閉じた状態に維持し、該吸入カム(40) 上の任意の第2のローブ(42aおよび42b)に応答して開くように、前記第 1の作動液制御部(52)が選択的に作動可能である、請求項1に記載の内燃機 関。 7.前記第1および第2の流体連結部(54および84)を選択的に相互接続す ることにより、該連結部の一方における流体圧パルスを該連結部の他方に伝達し て、該連結部の該他方が作動可能に結合した前記バルブ(30および60)を開 く、流体相互接続部(112および122)をさらに備えた、請求項1に記載の 内燃機関。 8.前記流体圧パルスが、前記連結部の前記一方が作動可能に結合した前記カム (40および70)上のローブによって、該連結部(54および84)の該一方 の中で生じる、請求項7に記載の内燃機関。 9.前記流体相互接続部(112および122)が、前記連結部(54および8 4)の前記一方の流体結合を、さもなくば該連結部(54および84)の該一方 が結合する前記バルブ(30および60)から該連結部(54および84)の前 記他方が結合した前記バルブ(30および60)に選択的に切り換える(diverti ng)作動液切換器(110および120)を備えている、請求項8に記載の内燃 機関。 10.前記切換器(110および120)が、電子制御回路(100)によって 制御される電動バルブ(110および120)である、請求項9に記載の内燃機 関。 11.前記流体相互接続部(112および122)が、前記第1の流体連結部( 54)から前記第2の流体連結部(84)に流体圧パルスを選択的に伝達する第 1のそのような相互接続部(112)であり、且つ、前記装置が、該第2の流体 連結部(84)から該第1の流体連結部(54)に流体圧パルスを選択的に伝達 することにより前記吸入バルブ(30)を開く第2の流体相互接続部(122) をさらに備えた、請求項7に記載の内燃機関。 12.前記第2の流体相互接続部(122)によって伝達される前記流体圧パル スは、前記排出カム(70)上のローブ(72aおよび72b)によって前記第 2の流体連結部(84)の中で生じる、請求項11に記載の内燃機関。 13.前記作動液切換器(110および120)が第1のそのような切換器(1 10)であり、且つ、前記第2の流体相互接続部(122)が、前記第2の流体 連結部(84)の流体結合を前記排出バルブ(60)から前記吸入バルブ(30 )に選択的に切り換える第2の作動液切換器(120)を備えている、請求項1 2に記載の内燃機関。 14.前記第2の切換器(120)が、電子制御回路(100)によって制御さ れる電動バルブ(120)である、請求項13に記載の内燃機関。 15.前記電子制御回路(100)がマイクロプロセッサを含む、請求項3、1 0または14に記載の内燃機関。 16.前記エンジンの作動パラメータをモニタするとともに、該パラメータを示 す出力信号を生成するセンサ(102)をさらに備え、該出力信号を前記電子制 御回路(100)に与えて、該制御回路に、該パラメータに従って前記電動バル ブ(52、82、110および120)の作動を調整させる、請求項3、10ま たは14に記載の内燃機関。 17.前記パラメータが、前記内燃機関がポジティブパワーモードまたは圧縮リ リースエンジンブレーキモードのいずれになるのかを示す指標を含む、請求項1 6に記載の内燃機関。 18.前記制御回路(100)が、前記センサ(102)の前記出力信号 に応答して、前記内燃機関がポジティブパワーモードになることを前記指標が示 す場合には該内燃機関の4サイクルポジティブパワーモード作動を提供するよう に前記電動バルブ(52、82、110および120)を作動させ、該内燃機関 が圧縮リリースエンジンブレーキモードになることを該指標が示す場合には該内 燃機関の2サイクル圧縮リリースエンジンブレーキモード作動を提供するように 該電動バルブ(52、82、110および120)を作動させる、請求項17に 記載の内燃機関。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/512,540 | 1995-08-08 | ||
US08/512,540 US5537976A (en) | 1995-08-08 | 1995-08-08 | Four-cycle internal combustion engines with two-cycle compression release braking |
PCT/US1996/012718 WO1997006354A1 (en) | 1995-08-08 | 1996-08-02 | Four-cycle internal combustion engines with two-cycle compression release braking |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH11513092A true JPH11513092A (ja) | 1999-11-09 |
Family
ID=24039538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9508587A Ceased JPH11513092A (ja) | 1995-08-08 | 1996-08-02 | 2サイクル圧縮リリースブレーキ付き4サイクル内燃機関 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5537976A (ja) |
EP (1) | EP0843780B1 (ja) |
JP (1) | JPH11513092A (ja) |
DE (1) | DE69605804T2 (ja) |
MX (1) | MX9801033A (ja) |
WO (1) | WO1997006354A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007513290A (ja) * | 2003-12-04 | 2007-05-24 | マック トラックス インコーポレイテッド | 非フリーホイール内燃機関のピストンと弁との間の衝突を防止するシステムおよび方法 |
JP2009542960A (ja) * | 2006-06-29 | 2009-12-03 | ジェイコブス ビークル システムズ、インコーポレイテッド | 可変弁作動装置及びエンジンブレーキ |
JP2010106843A (ja) * | 2009-12-17 | 2010-05-13 | Man Diesel Filial Af Man Diesel Se Tyskland | 大型2サイクルディーゼルエンジン用のカム駆動排気弁作動システム |
JP2015001226A (ja) * | 2013-06-17 | 2015-01-05 | 現代自動車株式会社 | 車両の可変バルブ駆動装置 |
KR20150119954A (ko) * | 2013-02-26 | 2015-10-26 | 자콥스 비히클 시스템즈, 인코포레이티드. | 주 밸브 이벤트의 선택적인 중단을 통한 엔진 밸브의 내부-실린더 보조 작동 |
JP2017115852A (ja) * | 2015-12-24 | 2017-06-29 | シー.アール.エフ. ソシエタ コンソルティレ ペル アツィオニ | 内燃エンジンのバルブの可変的な作動のためのシステム |
Families Citing this family (87)
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US5615653A (en) * | 1994-07-29 | 1997-04-01 | Caterpillar Inc. | Infinitely variable engine compression braking control and method |
US6125828A (en) * | 1995-08-08 | 2000-10-03 | Diesel Engine Retarders, Inc. | Internal combustion engine with combined cam and electro-hydraulic engine valve control |
US5829397A (en) * | 1995-08-08 | 1998-11-03 | Diesel Engine Retarders, Inc. | System and method for controlling the amount of lost motion between an engine valve and a valve actuation means |
US5746175A (en) * | 1995-08-08 | 1998-05-05 | Diesel Engine Retarders, Inc. | Four-cycle internal combustion engines with two-cycle compression release braking |
EP1031706A1 (en) * | 1995-08-08 | 2000-08-30 | Diesel Engine Retarders, Inc. | Method of operating an internal combustion engine |
US5537976A (en) * | 1995-08-08 | 1996-07-23 | Diesel Engine Retarders, Inc. | Four-cycle internal combustion engines with two-cycle compression release braking |
US5586531A (en) * | 1995-11-28 | 1996-12-24 | Cummins Engine Company, Inc. | Engine retarder cycle |
US5724939A (en) * | 1996-09-05 | 1998-03-10 | Caterpillar Inc. | Exhaust pulse boosted engine compression braking method |
US5809964A (en) * | 1997-02-03 | 1998-09-22 | Diesel Engine Retarders, Inc. | Method and apparatus to accomplish exhaust air recirculation during engine braking and/or exhaust gas recirculation during positive power operation of an internal combustion engine |
IT1291490B1 (it) | 1997-02-04 | 1999-01-11 | C R F Societa Consotile Per Az | Motore pluricilindrico a ciclo diesel con valvole ad azionamento variabile |
US5996550A (en) * | 1997-07-14 | 1999-12-07 | Diesel Engine Retarders, Inc. | Applied lost motion for optimization of fixed timed engine brake system |
US6412457B1 (en) | 1997-08-28 | 2002-07-02 | Diesel Engine Retarders, Inc. | Engine valve actuator with valve seating control |
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KR100565004B1 (ko) | 1997-11-04 | 2006-03-30 | 디이젤 엔진 리타더스, 인코포레이티드 | 내연기관의 실린더용 밸브 작동 시스템 |
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BR9815102A (pt) * | 1997-11-21 | 2000-12-12 | Diesel Engine Retarders Inc | Motor de combustão interna. |
WO1999027235A1 (en) * | 1997-11-21 | 1999-06-03 | Diesel Engine Retarders, Inc. | Method and system start-up apparatus for removing air and debris from a valve actuation system |
US6267098B1 (en) * | 1997-11-24 | 2001-07-31 | Diesel Engine Retarders, Inc. | Valve operating system having full authority lost motion |
US6293237B1 (en) | 1997-12-11 | 2001-09-25 | Diesel Engine Retarders, Inc. | Variable lost motion valve actuator and method |
KR100575042B1 (ko) | 1997-12-11 | 2006-05-02 | 디이젤 엔진 리타더스, 인코포레이티드 | 엔진 밸브 작동 시스템 |
US8820276B2 (en) | 1997-12-11 | 2014-09-02 | Jacobs Vehicle Systems, Inc. | Variable lost motion valve actuator and method |
US6000374A (en) * | 1997-12-23 | 1999-12-14 | Diesel Engine Retarders, Inc. | Multi-cycle, engine braking with positive power valve actuation control system and process for using the same |
US6718940B2 (en) | 1998-04-03 | 2004-04-13 | Diesel Engine Retarders, Inc. | Hydraulic lash adjuster with compression release brake |
WO2000012895A2 (en) | 1998-08-26 | 2000-03-09 | Diesel Engine Retarders, Inc. | Valve seating control device with variable area orifice |
DE60028951T2 (de) | 1999-04-14 | 2006-10-12 | Jacobs Vehicle Systems Inc., Bloomfield | Hebelanordnung für gaseinlass- und auslassventile zum verändern des ventilhubs und teilen bei positiver leistung |
US6314926B1 (en) | 1999-05-24 | 2001-11-13 | Jenera Enterprises Ltd | Valve control apparatus |
US6234143B1 (en) | 1999-07-19 | 2001-05-22 | Mack Trucks, Inc. | Engine exhaust brake having a single valve actuation |
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JP2009542960A (ja) * | 2006-06-29 | 2009-12-03 | ジェイコブス ビークル システムズ、インコーポレイテッド | 可変弁作動装置及びエンジンブレーキ |
JP2010106843A (ja) * | 2009-12-17 | 2010-05-13 | Man Diesel Filial Af Man Diesel Se Tyskland | 大型2サイクルディーゼルエンジン用のカム駆動排気弁作動システム |
KR20150119954A (ko) * | 2013-02-26 | 2015-10-26 | 자콥스 비히클 시스템즈, 인코포레이티드. | 주 밸브 이벤트의 선택적인 중단을 통한 엔진 밸브의 내부-실린더 보조 작동 |
JP2016507702A (ja) * | 2013-02-26 | 2016-03-10 | ジェイコブス ビークル システムズ、インコーポレイテッド | 主バルブ事象の選択的切断によるエンジン・バルブのシリンダ間補助作動 |
JP2015001226A (ja) * | 2013-06-17 | 2015-01-05 | 現代自動車株式会社 | 車両の可変バルブ駆動装置 |
JP2017115852A (ja) * | 2015-12-24 | 2017-06-29 | シー.アール.エフ. ソシエタ コンソルティレ ペル アツィオニ | 内燃エンジンのバルブの可変的な作動のためのシステム |
Also Published As
Publication number | Publication date |
---|---|
EP0843780A1 (en) | 1998-05-27 |
DE69605804T2 (de) | 2000-05-11 |
DE69605804D1 (de) | 2000-01-27 |
MX9801033A (es) | 1998-05-31 |
US5537976A (en) | 1996-07-23 |
EP0843780B1 (en) | 1999-12-22 |
WO1997006354A1 (en) | 1997-02-20 |
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