ITRM920904A0 - Dispositivo a camme, per variare la fasatura di valvole di motori, utilizzante fluido incomprimibile come elemento strutturale per realizzare la deformazione e/o lo spostamento del profilo delle camme. - Google Patents

Dispositivo a camme, per variare la fasatura di valvole di motori, utilizzante fluido incomprimibile come elemento strutturale per realizzare la deformazione e/o lo spostamento del profilo delle camme.

Info

Publication number
ITRM920904A0
ITRM920904A0 IT92RM904A ITRM920904A ITRM920904A0 IT RM920904 A0 ITRM920904 A0 IT RM920904A0 IT 92RM904 A IT92RM904 A IT 92RM904A IT RM920904 A ITRM920904 A IT RM920904A IT RM920904 A0 ITRM920904 A0 IT RM920904A0
Authority
IT
Italy
Prior art keywords
deformation
timing
vary
create
movement
Prior art date
Application number
IT92RM904A
Other languages
English (en)
Inventor
Francesco Giulio Di
Anna Gigantino
Original Assignee
Francesco Giulio Di
Anna Gigantino
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 Francesco Giulio Di, Anna Gigantino filed Critical Francesco Giulio Di
Priority to ITRM920904A priority Critical patent/IT1256558B/it
Publication of ITRM920904A0 publication Critical patent/ITRM920904A0/it
Priority to EP93910315A priority patent/EP0627044A1/en
Priority to PCT/IT1993/000038 priority patent/WO1994015075A1/en
Publication of ITRM920904A1 publication Critical patent/ITRM920904A1/it
Application granted granted Critical
Publication of IT1256558B publication Critical patent/IT1256558B/it

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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0057—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by splittable or deformable cams
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H53/00—Cams or cam-followers, e.g. rollers for gearing mechanisms
    • F16H53/02—Single-track cams for single-revolution cycles; Camshafts with such cams
    • F16H53/04—Adjustable cams

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve Device For Special Equipments (AREA)
ITRM920904A 1992-12-18 1992-12-18 Dispositivo a camme, per variare la fasatura di valvole di motori, utilizzante fluido incomprimibile come elemento strutturale per realizzare la deformazione e/o lo spostamento del profilo delle camme IT1256558B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITRM920904A IT1256558B (it) 1992-12-18 1992-12-18 Dispositivo a camme, per variare la fasatura di valvole di motori, utilizzante fluido incomprimibile come elemento strutturale per realizzare la deformazione e/o lo spostamento del profilo delle camme
EP93910315A EP0627044A1 (en) 1992-12-18 1993-04-22 Device with cams using incompressible fluid as structural element to bring about the deformation and/or displacement of cam profiles, in order to vary engine valve timing
PCT/IT1993/000038 WO1994015075A1 (en) 1992-12-18 1993-04-22 Device with cams using incompressible fluid as structural element to bring about the deformation and/or displacement of cam profiles, in order to vary engine valve timing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITRM920904A IT1256558B (it) 1992-12-18 1992-12-18 Dispositivo a camme, per variare la fasatura di valvole di motori, utilizzante fluido incomprimibile come elemento strutturale per realizzare la deformazione e/o lo spostamento del profilo delle camme

Publications (3)

Publication Number Publication Date
ITRM920904A0 true ITRM920904A0 (it) 1992-12-18
ITRM920904A1 ITRM920904A1 (it) 1994-06-18
IT1256558B IT1256558B (it) 1995-12-07

Family

ID=11401335

Family Applications (1)

Application Number Title Priority Date Filing Date
ITRM920904A IT1256558B (it) 1992-12-18 1992-12-18 Dispositivo a camme, per variare la fasatura di valvole di motori, utilizzante fluido incomprimibile come elemento strutturale per realizzare la deformazione e/o lo spostamento del profilo delle camme

Country Status (3)

Country Link
EP (1) EP0627044A1 (it)
IT (1) IT1256558B (it)
WO (1) WO1994015075A1 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69421170T2 (de) * 1993-12-17 2000-07-06 Christos Valasopoulos Nockenspitze mit exzentrischer drehbewegung
SE504117C2 (sv) * 1995-03-30 1996-11-18 Volvo Ab Ventilmekanism i en förbränningsmotor
JP4843484B2 (ja) * 2003-06-02 2011-12-21 マーレ ヴェンティルトリープ ゲゼルシャフト ミット ベシュレンクテル ハフツング 切換可能なカムを備える、殊に自動車用内燃機関のためのカムシャフト
JP6252528B2 (ja) * 2015-03-19 2017-12-27 トヨタ自動車株式会社 内燃機関の可変動弁装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1253875B (it) * 1991-07-31 1995-08-31 Francesco Giulio Di Dispositivo a camme aventi profilo deformabile e/o spostabile, tramite fluido in pressione, per variare la fasatura di valvole di motori

Also Published As

Publication number Publication date
IT1256558B (it) 1995-12-07
ITRM920904A1 (it) 1994-06-18
WO1994015075A1 (en) 1994-07-07
EP0627044A1 (en) 1994-12-07

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Legal Events

Date Code Title Description
0001 Granted