BR112018005765A2 - atuação de válvula diferencial de movimento perdido - Google Patents

atuação de válvula diferencial de movimento perdido

Info

Publication number
BR112018005765A2
BR112018005765A2 BR112018005765A BR112018005765A BR112018005765A2 BR 112018005765 A2 BR112018005765 A2 BR 112018005765A2 BR 112018005765 A BR112018005765 A BR 112018005765A BR 112018005765 A BR112018005765 A BR 112018005765A BR 112018005765 A2 BR112018005765 A2 BR 112018005765A2
Authority
BR
Brazil
Prior art keywords
valve
valve actuation
engine
master piston
piston
Prior art date
Application number
BR112018005765A
Other languages
English (en)
Other versions
BR112018005765B1 (pt
Inventor
M Wigsten Mark
p howell Thomas
Original Assignee
Borgwarner Inc
Jacobs Vehicle Systems Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Borgwarner Inc, Jacobs Vehicle Systems Inc filed Critical Borgwarner Inc
Publication of BR112018005765A2 publication Critical patent/BR112018005765A2/pt
Publication of BR112018005765B1 publication Critical patent/BR112018005765B1/pt

Links

Classifications

    • 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
    • F01L9/12—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 with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem
    • 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
    • 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
    • F01L1/047—Camshafts
    • F01L1/053—Camshafts overhead type
    • 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
    • F01L1/26—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
    • 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
    • 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
    • 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
    • F01L9/12—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 with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem
    • F01L9/14—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 with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem the volume of the chamber being variable, e.g. for varying the lift or the timing of a valve
    • 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
    • F01L1/20—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
    • F01L2001/2444—Details relating to the hydraulic feeding circuit, e.g. lifter oil manifold assembly [LOMA]
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

a presente invenção refere-se a um motor que compreende um cilindro com uma primeira e uma segunda válvula de motor de um mesmo tipo de função, um sistema para atuar a primeira e a segunda válvula do motor compreende um primeiro e um segundo pistão mestre que recebem movimentos de atuação de primeira e segunda válvulas dos respectivos de uma primeira e uma segunda fonte de movimento de atuação de válvula, um primeiro pistão escravo conectado operativamente à primeira válvula de motor e configurado para receber hidraulicamente os primeiros movimentos de atuação de válvula ao menos do primeiro pistão mestre e um segundo pistão escravo conectado operativamente à segunda válvula de motor e configurado para receber hidraulicamente os segundos movimentos de atuação de válvula a partir do segundo pistão mestre. o sistema compreende adicionalmente um acumulador e uma válvula seletora de modo em comunicação hidráulica com o primeiro pistão mestre, o primeiro pistão escravo e o acumulador. a válvula seletora de modo pode seletivamente conectar hidraulicamente o primeiro pistão mestre ao acumulador.
BR112018005765-7A 2015-09-22 2016-09-22 Motor compreendendo um cilindro BR112018005765B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562222201P 2015-09-22 2015-09-22
US62/222.201 2015-09-22
PCT/US2016/053098 WO2017053557A1 (en) 2015-09-22 2016-09-22 Lost motion differential valve actuation

Publications (2)

Publication Number Publication Date
BR112018005765A2 true BR112018005765A2 (pt) 2018-10-09
BR112018005765B1 BR112018005765B1 (pt) 2023-03-21

Family

ID=58276859

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018005765-7A BR112018005765B1 (pt) 2015-09-22 2016-09-22 Motor compreendendo um cilindro

Country Status (7)

Country Link
US (1) US10184363B2 (pt)
EP (1) EP3353390B1 (pt)
JP (1) JP6657386B2 (pt)
KR (1) KR102084480B1 (pt)
CN (1) CN108291455B (pt)
BR (1) BR112018005765B1 (pt)
WO (1) WO2017053557A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016205910A1 (de) * 2016-04-08 2017-10-12 Mtu Friedrichshafen Gmbh Ventiltrieb zur variablen Ansteuerung eines Einlassventils und eines Auslassventils und Brennkraftmaschine mit einem solchen Ventiltrieb
BR112020002200A2 (pt) * 2017-08-03 2020-08-11 Jacobs Vehicle Systems, Inc. sistemas e métodos para gerenciamento de contrafluxos e sequência de movimento de válvula na frenagem melhorada do motor
CN112912596B (zh) * 2018-09-10 2022-11-04 雅各布斯车辆系统公司 空动可变气门致动系统和方法

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
US5746175A (en) * 1995-08-08 1998-05-05 Diesel Engine Retarders, Inc. Four-cycle internal combustion engines with two-cycle compression release braking
EP0843779B1 (en) 1995-08-08 2001-02-28 Diesel Engine Retarders, Inc. A compresssion release braking system for 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
KR100565004B1 (ko) * 1997-11-04 2006-03-30 디이젤 엔진 리타더스, 인코포레이티드 내연기관의 실린더용 밸브 작동 시스템
US6267098B1 (en) * 1997-11-24 2001-07-31 Diesel Engine Retarders, Inc. Valve operating system having full authority lost motion
US6510824B2 (en) * 1997-12-11 2003-01-28 Diesel Engine Retarders, Inc. Variable lost motion valve actuator and method
US6475082B2 (en) * 1998-08-18 2002-11-05 Claas Selbstfahrende Erntemaschinen Gmbh Flap openings in a grain harvesting threshing and separation unit
ITTO20020571A1 (it) * 2002-07-01 2004-01-02 Fiat Ricerche Motore a combustione interna con due valvole di aspirazione per ciascun cilindro e sistema a controllo elettronico per azionare le due valvo
EP1623100A4 (en) * 2003-05-06 2008-11-26 Jacobs Vehicle Systems Inc SYSTEM AND METHOD FOR IMPROVING THE PERFORMANCE OF HYDRAULIC OPERATING SYSTEMS
US20050018896A1 (en) * 2003-07-22 2005-01-27 Rdm Corporation System and method for verifying legibility of an image of a check
US7559300B2 (en) 2003-12-12 2009-07-14 Jacobs Vehicle Systems, Inc. Multiple slave piston valve actuation system
KR20060134985A (ko) * 2004-02-17 2006-12-28 자콥스 비히클 시스템즈, 인코포레이티드. 멀티 리프트 밸브 작동 시스템 및 방법
FR2900065B1 (fr) * 2006-04-21 2008-05-30 Inst Francais Du Petrole Nouvel echangeur interne pour reacteur gaz liquide solide destine a la synthese fischer tropsch.
JP5350235B2 (ja) * 2006-06-29 2013-11-27 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
US7665432B2 (en) 2006-12-12 2010-02-23 Jacobs Vehicle Systems, Inc. Valve actuation system and method of driving two slave pistons with one master piston
EP2677127B1 (en) * 2011-02-15 2017-11-15 Xi, Yong Method and apparatus for resetting valve lift for use in engine brake
JP2015506436A (ja) 2012-01-06 2015-03-02 スクデリ グループ インコーポレイテッド ロストモーション可変バルブ作動システム
FR2986558B1 (fr) 2012-02-02 2014-03-07 Melchior Jean F Dispositif de commande variable d'au moins une soupape, par exemple pour un moteur alternatif

Also Published As

Publication number Publication date
US20170081986A1 (en) 2017-03-23
BR112018005765B1 (pt) 2023-03-21
CN108291455B (zh) 2020-08-04
JP6657386B2 (ja) 2020-03-04
CN108291455A (zh) 2018-07-17
EP3353390B1 (en) 2020-02-12
EP3353390A1 (en) 2018-08-01
KR102084480B1 (ko) 2020-03-04
EP3353390A4 (en) 2019-05-29
KR20180058225A (ko) 2018-05-31
JP2018532935A (ja) 2018-11-08
WO2017053557A1 (en) 2017-03-30
US10184363B2 (en) 2019-01-22

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 22/09/2016, OBSERVADAS AS CONDICOES LEGAIS