JPS6298734U - - Google Patents
Info
- Publication number
- JPS6298734U JPS6298734U JP19197785U JP19197785U JPS6298734U JP S6298734 U JPS6298734 U JP S6298734U JP 19197785 U JP19197785 U JP 19197785U JP 19197785 U JP19197785 U JP 19197785U JP S6298734 U JPS6298734 U JP S6298734U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- intake port
- valve element
- temperature
- combustion chamber
- 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.)
- Pending
Links
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は本考案による内燃機関の吸気装置の一
つの実施例を示す概略平面図、第２図は本考案に
よる内燃機関の吸気装置に用いられる吸気制御弁
の一つの実施例を示す縦断面図である。
１……燃焼室、１２……シリンダヘツド、１４
……ヘリカル吸気ポート、１６……ストレート吸
気ポート、１８，２０……排気ポート、２２，２
４……吸気弁、２６，２８……排気弁、３０……
吸気通路、３２……吸気制御弁、３４……弁要素
、３６……羽根板、３７……リベツト、３８……
弁軸、４０……弁軸支持部材、４２……駆動レバ
ー。
FIG. 1 is a schematic plan view showing one embodiment of an intake system for an internal combustion engine according to the present invention, and FIG. 2 is a longitudinal section showing an embodiment of an intake control valve used in the intake system for an internal combustion engine according to the present invention. It is a diagram. 1... Combustion chamber, 12... Cylinder head, 14
...Helical intake port, 16...Straight intake port, 18,20...Exhaust port, 22,2
4...Intake valve, 26, 28...Exhaust valve, 30...
Intake passage, 32... Intake control valve, 34... Valve element, 36... Vane plate, 37... Rivet, 38...
Valve stem, 40... Valve stem support member, 42... Drive lever.
Claims (1)
ート及び第二の吸気ポートと、前記第二の吸気ポ
ートを経て燃焼室へ向かう混合気の流量を制御す
る吸気制御弁とを有し、前記吸気制御弁は前記第
二の吸気ポートを開閉する弁要素と前記弁要素に
取付けられた形状記憶合金製の羽根板とを備え、
前記羽根板は前記弁要素が閉弁位置にある時には
所定温度以上であれば吸気流を横切る方向に延在
して前記第一の吸気ポートの入口部の一側部に突
出し所定温度以上でない時には折曲して前記弁要
素と重合し前記第一の吸気ポートの入口部に突出
しないよう構成されていることを特徴とする内燃
機関の吸気装置。 each having a first intake port and a second intake port that guide the air-fuel mixture to one combustion chamber, and an intake control valve that controls the flow rate of the air-fuel mixture heading to the combustion chamber via the second intake port, The intake control valve includes a valve element that opens and closes the second intake port, and a blade plate made of a shape memory alloy attached to the valve element,
When the valve element is in the closed position, if the temperature is above a predetermined temperature, the vane plate extends in a direction transverse to the intake flow and protrudes to one side of the inlet portion of the first intake port, and when the temperature is not above a predetermined temperature, An intake device for an internal combustion engine, characterized in that the intake device is bent so as not to overlap with the valve element and protrude into the inlet of the first intake port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19197785U JPS6298734U (en) | 1985-12-13 | 1985-12-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19197785U JPS6298734U (en) | 1985-12-13 | 1985-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6298734U true JPS6298734U (en) | 1987-06-23 |
Family
ID=31146623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19197785U Pending JPS6298734U (en) | 1985-12-13 | 1985-12-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6298734U (en) |
-
1985
- 1985-12-13 JP JP19197785U patent/JPS6298734U/ja active Pending