PT80409A - Variavle duplex camshaft - Google Patents
Variavle duplex camshaftInfo
- Publication number
- PT80409A PT80409A PT8040985A PT8040985A PT80409A PT 80409 A PT80409 A PT 80409A PT 8040985 A PT8040985 A PT 8040985A PT 8040985 A PT8040985 A PT 8040985A PT 80409 A PT80409 A PT 80409A
- Authority
- PT
- Portugal
- Prior art keywords
- variavle
- camshaft
- duplex
- variavle duplex
- duplex camshaft
- 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
- 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
- F01L13/0036—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
- F01L13/0042—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction with cams being profiled in axial and radial direction
-
- 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
- F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PT8040985A PT80409A (en) | 1985-05-08 | 1985-05-08 | Variavle duplex camshaft |
DE19853536742 DE3536742A1 (en) | 1985-05-08 | 1985-10-15 | Adjustable duplex camshaft |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PT8040985A PT80409A (en) | 1985-05-08 | 1985-05-08 | Variavle duplex camshaft |
Publications (1)
Publication Number | Publication Date |
---|---|
PT80409A true PT80409A (en) | 1985-06-01 |
Family
ID=20083676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT8040985A PT80409A (en) | 1985-05-08 | 1985-05-08 | Variavle duplex camshaft |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE3536742A1 (en) |
PT (1) | PT80409A (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4228901A1 (en) * | 1992-08-29 | 1994-03-03 | Zbigniew Kacprzak | Variable control for IC engine valves - has axially slidable camshaft with conical cams and includes tilting lever with rotary parts. |
DE4230809C2 (en) * | 1992-09-02 | 1995-03-09 | Steckhan Helmut Prof Dr | Valve control for internal combustion engines |
JP3945117B2 (en) * | 2000-03-09 | 2007-07-18 | トヨタ自動車株式会社 | Valve characteristic control device for internal combustion engine |
DE10330871A1 (en) * | 2003-07-09 | 2005-01-27 | Ina-Schaeffler Kg | Fully variable valve train |
DE102007003997A1 (en) | 2007-01-26 | 2008-07-31 | Schaeffler Kg | Adjustment device for the axial adjustment of a camshaft by means of a Verstellaktuators |
DE102007023617B4 (en) * | 2007-05-18 | 2020-06-04 | Herbert Naumann | Camshaft adjuster |
CN102182529A (en) * | 2011-05-24 | 2011-09-14 | 奇瑞汽车股份有限公司 | Variable lift camshaft |
DE102012012661A1 (en) | 2012-06-23 | 2013-12-24 | Volkswagen Aktiengesellschaft | Adjustable valve controller for continuous or gradual changing of e.g. valve control time in range from low rotational speeds upto high rotational speeds of internal combustion engine, has arm rotatably mounted around longitudinal axis |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE368775C (en) * | 1923-02-09 | Samuel Haltenberger | Automatic altitude control device for aircraft engines | |
DE2336241A1 (en) * | 1973-07-17 | 1975-02-06 | Volkswagenwerk Ag | Compound camshaft assembly for combustion engine - consists of shaft carrying separate bearings cams gearwheels etc fixed in correct positions |
DE2514727A1 (en) * | 1974-10-24 | 1975-10-09 | Hinderks M V | Reciprocating IC vehicle engine - has adjustable variable profile cam for valves to vary compression ratio |
-
1985
- 1985-05-08 PT PT8040985A patent/PT80409A/en unknown
- 1985-10-15 DE DE19853536742 patent/DE3536742A1/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
DE3536742A1 (en) | 1986-11-13 |
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