JPH0116322B2 - - Google Patents
Info
- Publication number
- JPH0116322B2 JPH0116322B2 JP4802282A JP4802282A JPH0116322B2 JP H0116322 B2 JPH0116322 B2 JP H0116322B2 JP 4802282 A JP4802282 A JP 4802282A JP 4802282 A JP4802282 A JP 4802282A JP H0116322 B2 JPH0116322 B2 JP H0116322B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- intake
- exhaust
- engine
- opening
- 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.)
- Expired
Links
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 239000012781 shape memory material Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000009466 transformation Effects 0.000 description 8
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 7
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 229910000734 martensite Inorganic materials 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
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
- F01L1/28—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of coaxial valves; characterised by the provision of valves co-operating with both intake and exhaust ports
-
- 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
-
- 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
- F01L3/20—Shapes or constructions of valve members, not provided for in preceding subgroups of this group
-
- 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
- F02D2013/0292—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation in the start-up phase, e.g. for warming-up cold engine or catalyst
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4802282A JPS58165512A (ja) | 1982-03-25 | 1982-03-25 | 内燃機関の吸排気弁駆動装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4802282A JPS58165512A (ja) | 1982-03-25 | 1982-03-25 | 内燃機関の吸排気弁駆動装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58165512A JPS58165512A (ja) | 1983-09-30 |
| JPH0116322B2 true JPH0116322B2 (enrdf_load_stackoverflow) | 1989-03-23 |
Family
ID=12791682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4802282A Granted JPS58165512A (ja) | 1982-03-25 | 1982-03-25 | 内燃機関の吸排気弁駆動装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58165512A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004512455A (ja) * | 2001-01-31 | 2004-04-22 | ティーアールダブリュ・ドイチュラント・ゲーエムベーハー | 内燃機関の吸気弁 |
-
1982
- 1982-03-25 JP JP4802282A patent/JPS58165512A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58165512A (ja) | 1983-09-30 |
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