IT1190034B - Testa a quattro valvole a comando desmodromico per motori a scoppio - Google Patents
Testa a quattro valvole a comando desmodromico per motori a scoppioInfo
- Publication number
- IT1190034B IT1190034B IT8620685A IT2068586A IT1190034B IT 1190034 B IT1190034 B IT 1190034B IT 8620685 A IT8620685 A IT 8620685A IT 2068586 A IT2068586 A IT 2068586A IT 1190034 B IT1190034 B IT 1190034B
- Authority
- IT
- Italy
- Prior art keywords
- head
- control valves
- combustion engines
- desmodromic control
- desmodromic
- Prior art date
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
- 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
- F01L1/0532—Camshafts overhead type the cams being directly in contact with the driven valve
-
- 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
- F01L1/30—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of positively opened and closed valves, i.e. desmodromic valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
- F02F1/4214—Shape or arrangement of intake or exhaust channels in cylinder heads specially adapted for four or more 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
- 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
- F01L2001/0537—Double overhead camshafts [DOHC]
-
- 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
- F02B1/00—Engines characterised by fuel-air mixture compression
- F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
- F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
-
- 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
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/18—DOHC [Double overhead camshaft]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F2001/244—Arrangement of valve stems in cylinder heads
- F02F2001/245—Arrangement of valve stems in cylinder heads the valve stems being orientated at an angle with the cylinder axis
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8620685A IT1190034B (it) | 1986-06-05 | 1986-06-05 | Testa a quattro valvole a comando desmodromico per motori a scoppio |
EP87106875A EP0250797A3 (en) | 1986-06-05 | 1987-05-12 | Four-valve cylinder head of desmodromic operation, for internal combustion engines |
US07/052,558 US4754728A (en) | 1986-06-05 | 1987-05-19 | Four-valve cylinder head of desmodromic operation, for internal combustion engines |
JP62133230A JPS6368707A (ja) | 1986-06-05 | 1987-05-28 | 内燃機関用デスモドロミツク動作4弁シリンダヘツド |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8620685A IT1190034B (it) | 1986-06-05 | 1986-06-05 | Testa a quattro valvole a comando desmodromico per motori a scoppio |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8620685A0 IT8620685A0 (it) | 1986-06-05 |
IT1190034B true IT1190034B (it) | 1988-02-10 |
Family
ID=11170550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8620685A IT1190034B (it) | 1986-06-05 | 1986-06-05 | Testa a quattro valvole a comando desmodromico per motori a scoppio |
Country Status (4)
Country | Link |
---|---|
US (1) | US4754728A (it) |
EP (1) | EP0250797A3 (it) |
JP (1) | JPS6368707A (it) |
IT (1) | IT1190034B (it) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3818636A1 (de) * | 1988-06-01 | 1989-12-07 | Bayerische Motoren Werke Ag | Hubkolben-brennkraftmaschine mit einem zwei obenliegende steuerwellen umfassenden zylinderkopf |
JP2638975B2 (ja) * | 1988-08-16 | 1997-08-06 | 日産自動車株式会社 | 内燃機関の弁強制開閉装置 |
JP2638974B2 (ja) * | 1988-08-16 | 1997-08-06 | 日産自動車株式会社 | 内燃機関の弁強制開閉装置 |
JP2546435B2 (ja) * | 1990-11-05 | 1996-10-23 | 三菱自動車工業株式会社 | 内燃機関のシリンダヘッド |
EP0744530A1 (de) * | 1995-05-22 | 1996-11-27 | Dr.Ing.h.c. F. Porsche Aktiengesellschaft | Zylinderkopf |
DE19701874C5 (de) * | 1997-01-21 | 2006-06-22 | Daimlerchrysler Ag | Nockenwellenlageranordnung im Zylinderkopf einer Brennkraftmaschine |
US6053134A (en) * | 1998-08-28 | 2000-04-25 | Linebarger; Terry Glyn | Cam operating system |
US6487997B2 (en) | 2001-04-03 | 2002-12-03 | Chris Palumbo | Springless poppet valve system |
DE60104193T2 (de) * | 2001-07-19 | 2005-07-21 | Ducati Motor Holding S.P.A. | Ein Satz Zylinderköpfe mit desmodromischer Ventilbetätigung für Brennkraftmaschinen |
EP1580405B1 (de) * | 2004-03-26 | 2007-11-21 | Stefan Battlogg | Desmodromischer Ventiltrieb |
US7421988B2 (en) * | 2004-08-03 | 2008-09-09 | Stefan Battlogg | Positive-guidance apparatus for conversion of a rotary movement of a drive to a reciprocating movement of a part |
EP1624160A2 (de) | 2004-08-03 | 2006-02-08 | Stefan Battlogg | Zwangführungsvorrichtung zur Umwandlung der Drehbewegung eines Antriebs in eine hin- und hergehende Bewegung eines Teiles |
US8033261B1 (en) | 2008-11-03 | 2011-10-11 | Robbins Warren H | Valve actuation system and related methods |
WO2014030126A1 (en) | 2012-08-22 | 2014-02-27 | Ajp Motos, S.A. | Distribution system for 4-stroke engines, operation method and use thereof |
US20170370218A1 (en) * | 2016-06-28 | 2017-12-28 | Exoes | Piston Type Axial Expander |
CN107559047A (zh) * | 2016-06-30 | 2018-01-09 | 埃克索埃斯公司 | 活塞型轴向膨胀器 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US14228A (en) * | 1856-02-12 | Botaby planeb fob fellies | ||
US1544784A (en) * | 1924-02-20 | 1925-07-07 | John G P Thomas | Valve-operating mechanism for internal-combustion engines |
US2751895A (en) * | 1952-05-20 | 1956-06-26 | Daimler Benz Ag | Valve control for internal combustion engines |
US3098472A (en) * | 1959-11-26 | 1963-07-23 | Porsche Kg | Valve control mechanism for internal combustion engine |
US3430614A (en) * | 1967-07-07 | 1969-03-04 | Eaton Yale & Towne | Desmodromic drive arrangement |
FR2467971A1 (fr) * | 1979-10-23 | 1981-04-30 | Della Rocca Nicolas | Moteur a explosion, plus particulierement dispositif de commande de l'ouverture et de la fermeture des soupapes et d'echappement |
JPS5965908U (ja) * | 1982-10-26 | 1984-05-02 | 本田技研工業株式会社 | 内燃機関の動弁装置 |
JPS6030407A (ja) * | 1983-07-29 | 1985-02-16 | Honda Motor Co Ltd | 内燃機関のバルブ強制開閉装置 |
-
1986
- 1986-06-05 IT IT8620685A patent/IT1190034B/it active
-
1987
- 1987-05-12 EP EP87106875A patent/EP0250797A3/en not_active Withdrawn
- 1987-05-19 US US07/052,558 patent/US4754728A/en not_active Expired - Fee Related
- 1987-05-28 JP JP62133230A patent/JPS6368707A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS6368707A (ja) | 1988-03-28 |
EP0250797A3 (en) | 1988-10-05 |
US4754728A (en) | 1988-07-05 |
IT8620685A0 (it) | 1986-06-05 |
EP0250797A2 (en) | 1988-01-07 |
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