EP2668378A4 - Ventilfeder mit variabler kraft - Google Patents

Ventilfeder mit variabler kraft

Info

Publication number
EP2668378A4
EP2668378A4 EP12739579.6A EP12739579A EP2668378A4 EP 2668378 A4 EP2668378 A4 EP 2668378A4 EP 12739579 A EP12739579 A EP 12739579A EP 2668378 A4 EP2668378 A4 EP 2668378A4
Authority
EP
European Patent Office
Prior art keywords
valve spring
variable force
force valve
variable
spring
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.)
Withdrawn
Application number
EP12739579.6A
Other languages
English (en)
French (fr)
Other versions
EP2668378A1 (de
Inventor
Riccardo Meldolesi
John Schwoerer
Joseph Paturzo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Scuderi Group Inc
Original Assignee
Scuderi Group 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 Scuderi Group Inc filed Critical Scuderi Group Inc
Publication of EP2668378A1 publication Critical patent/EP2668378A1/de
Publication of EP2668378A4 publication Critical patent/EP2668378A4/de
Withdrawn legal-status Critical Current

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
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/22—Valve-seats not provided for in preceding subgroups of this group; Fixing of valve-seats
    • 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
    • F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
    • F01L1/462—Valve return spring arrangements
    • F01L1/465—Pneumatic arrangements
    • 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
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/10—Connecting springs to valve members
    • 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
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
    • F02B33/06—Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps
    • F02B33/22—Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with pumping cylinder situated at side of working cylinder, e.g. the cylinders being parallel
    • 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
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L2003/25—Valve configurations in relation to engine
    • F01L2003/258—Valve configurations in relation to engine opening away from cylinder
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49247—Valve lifter making

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)
  • Supercharger (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
EP12739579.6A 2011-01-27 2012-01-27 Ventilfeder mit variabler kraft Withdrawn EP2668378A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161436739P 2011-01-27 2011-01-27
PCT/US2012/022834 WO2012103404A1 (en) 2011-01-27 2012-01-27 Variable force valve spring

Publications (2)

Publication Number Publication Date
EP2668378A1 EP2668378A1 (de) 2013-12-04
EP2668378A4 true EP2668378A4 (de) 2014-10-29

Family

ID=46576285

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12739579.6A Withdrawn EP2668378A4 (de) 2011-01-27 2012-01-27 Ventilfeder mit variabler kraft

Country Status (6)

Country Link
US (1) US20120192817A1 (de)
EP (1) EP2668378A4 (de)
JP (1) JP2014508241A (de)
CN (1) CN103415677A (de)
CA (1) CA2825768A1 (de)
WO (1) WO2012103404A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2825804A1 (en) 2011-01-27 2012-08-02 Scuderi Group, Inc. Lost-motion variable valve actuation system with cam phaser
CN103443408A (zh) 2011-01-27 2013-12-11 史古德利集团公司 具有阀停用的无效运动可变阀致动系统
US9109468B2 (en) 2012-01-06 2015-08-18 Scuderi Group, Llc Lost-motion variable valve actuation system
EP2971636A1 (de) 2013-03-15 2016-01-20 Scuderi Group, Inc. Motoren mit geteiltem takt mit direkteinspritzung
CN103437849B (zh) * 2013-08-29 2015-10-28 刘军 气门弹簧张力调节装置
US10006317B2 (en) * 2015-09-29 2018-06-26 Caterpillar Inc. Valve actuation system
CN107288699B (zh) * 2016-04-11 2023-08-29 浙江师范大学 一种压电驱动的无凸轮轴气门驱动机构
DE102022112946A1 (de) 2022-05-23 2023-11-23 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren und Vorrichtungen zur Ventilsteuerung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06272521A (ja) * 1993-03-19 1994-09-27 Mazda Motor Corp 内燃機関の動弁装置
US6745738B1 (en) * 2001-09-17 2004-06-08 Richard J. Bosscher Pneumatic valve return spring
DE102007019916A1 (de) * 2007-04-27 2008-10-30 Volkswagen Ag Gaswechselventil mit pneumatischer Feder
US20100282225A1 (en) * 2009-05-07 2010-11-11 Gilbert Ian P Air Supply for Components of a Split-Cycle Engine

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01115808U (de) * 1988-01-31 1989-08-04
DE4117406A1 (de) * 1991-05-28 1992-12-03 Freudenberg Carl Fa Ventiltrieb im zylinderkopf einer verbrennungskraftmaschine
JPH0552103A (ja) * 1991-08-21 1993-03-02 Honda Motor Co Ltd 多気筒内燃機関の動弁装置
US5555861A (en) * 1992-04-27 1996-09-17 Iav Motor Gmbh Drive for gas exchange valves, preferably inlet valves for reciprocating internal combustion engines
JPH06159024A (ja) * 1992-11-26 1994-06-07 Fuji Heavy Ind Ltd 車両用エンジンの空気バネ式動弁装置
KR0164488B1 (ko) * 1994-08-29 1998-12-15 전성원 외부공기를 이용한 밸브리프트 조정장치
US5445119A (en) * 1994-12-09 1995-08-29 Chrysler Corporation Tappet and shim assembly for internal combustion engine
JPH1172013A (ja) * 1997-06-20 1999-03-16 Toyota Motor Corp 内燃機関の動弁機構及び同機構を備えた動弁装置
WO2000011336A1 (en) * 1998-08-19 2000-03-02 Diesel Engine Retarders, Inc. Hydraulically-actuated fail-safe stroke-limiting piston
US6986329B2 (en) * 2003-07-23 2006-01-17 Scuderi Salvatore C Split-cycle engine with dwell piston motion
SE527373C2 (sv) * 2004-02-18 2006-02-21 Cargine Engineering Ab Metod för genering av tryckpulser, tryckpulsgenerator och en med en sådan försedd kolvmotor
US6886511B1 (en) * 2004-04-07 2005-05-03 General Motors Corporation Lost motion assembly for a poppet valve of an internal combustion engine
US7077083B2 (en) * 2004-11-24 2006-07-18 Delphi Technologies, Inc. Electro-hydraulic lost-motion valve train
JP2006274939A (ja) * 2005-03-29 2006-10-12 Toyota Motor Corp ピストン機関
US7353786B2 (en) * 2006-01-07 2008-04-08 Scuderi Group, Llc Split-cycle air hybrid engine
US7536984B2 (en) * 2007-04-16 2009-05-26 Lgd Technology, Llc Variable valve actuator with a pneumatic booster

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06272521A (ja) * 1993-03-19 1994-09-27 Mazda Motor Corp 内燃機関の動弁装置
US6745738B1 (en) * 2001-09-17 2004-06-08 Richard J. Bosscher Pneumatic valve return spring
DE102007019916A1 (de) * 2007-04-27 2008-10-30 Volkswagen Ag Gaswechselventil mit pneumatischer Feder
US20100282225A1 (en) * 2009-05-07 2010-11-11 Gilbert Ian P Air Supply for Components of a Split-Cycle Engine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012103404A1 *

Also Published As

Publication number Publication date
WO2012103404A1 (en) 2012-08-02
US20120192817A1 (en) 2012-08-02
CN103415677A (zh) 2013-11-27
JP2014508241A (ja) 2014-04-03
EP2668378A1 (de) 2013-12-04
CA2825768A1 (en) 2012-08-02

Similar Documents

Publication Publication Date Title
EP2751459A4 (de) Ventil mit selbstspülung
SG11201402331PA (en) Diaphragm valve
EP2690307A4 (de) Dämpferventil
EP2872750A4 (de) Adaptiver ventilfederteller
GB201103591D0 (en) Valve
GB2495220B (en) Valve
EP2719931A4 (de) Ablassventil
PL2769126T3 (pl) Zawór olejowo-hydrauliczny
GB201220974D0 (en) Micro valve
EP2725271A4 (de) Flusseinstellungsventil
EP2799748A4 (de) Ventilvorrichtung
EP2668378A4 (de) Ventilfeder mit variabler kraft
EP2787183A4 (de) Ventilsitz
EP2719916A4 (de) Ventilstruktur
HK1221078A1 (zh) 閥致動器
HK1186763A1 (en) Check valve
EP2784345A4 (de) Dämpferventil
PL2540538T3 (pl) Układ zawieszenia pneumatycznego
PL2794373T3 (pl) Zespół zaworu
PL2790986T3 (pl) Zespół zaworu
GB201112894D0 (en) Valve
ZA201306407B (en) Valve
EP2833017A4 (de) Dämpferventil
GB201109428D0 (en) Valve device
EP2708705A4 (de) Variable ventilsteuerungsvorrichtung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20130717

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20140929

RIC1 Information provided on ipc code assigned before grant

Ipc: F01L 3/10 20060101AFI20140923BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20150429