JPS63196434U - - Google Patents
Info
- Publication number
- JPS63196434U JPS63196434U JP8635787U JP8635787U JPS63196434U JP S63196434 U JPS63196434 U JP S63196434U JP 8635787 U JP8635787 U JP 8635787U JP 8635787 U JP8635787 U JP 8635787U JP S63196434 U JPS63196434 U JP S63196434U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- intake passage
- engine
- combustion chamber
- wall portion
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図及び第２図はそれぞれこの考案の実施例
の構成図である。
１０……デイーゼルエンジン、１２……吸気ポ
ート、１８……燃焼室、２０……第一の壁部分、
２２…第二の壁部分、２６……第一の吸気通路、
２８……第二の吸気通路、３８……第一の絞り弁
、４０……第二の絞り弁。
FIGS. 1 and 2 are block diagrams of embodiments of this invention, respectively. 10... Diesel engine, 12... Intake port, 18... Combustion chamber, 20... First wall portion,
22... second wall portion, 26... first intake passage,
28...Second intake passage, 38...First throttle valve, 40...Second throttle valve.
Claims (1)
気ポートが、前記燃焼室に強い渦流が生成される
ように吸入空気を前記燃焼室へ導入する形状の第
一の壁部分と、前記燃焼室に弱い渦流が生成され
るように吸入空気を前記燃焼室へ導入する形状の
第二の壁部分とをもち、第一の吸気通路は、その
第一の吸気通路を介して導かれる吸入空気が前記
第一の壁部分に沿つて流れる方向から前記吸気ポ
ートへ連通し、前記第一の吸気通路に対して並列
に設けられる第二の吸気通路は、その第二の吸気
通路を介して導かれる吸入空気が前記第二の壁部
分に沿つて流れる方向から前記吸気ポートへ連通
し、第一及び第二の絞り弁がそれぞれ前記第一の
吸気通路及び前記第二の吸気通路に配設されてい
ることを特徴とするエンジン用吸気装置。 (2) 前記第一の吸気通路の長さは前記第二の吸
気通路の長さに等しいか又は長いことを特徴とす
る実用新案登録請求の範囲第１項記載のエンジン
用吸気装置。 (3) 前記第一及び第二の絞り弁は、前記エンジ
ンの低速回転時ではそれぞれ開及び閉となり、前
記エンジンの高速回転時ではそれぞれ閉及び開と
なることを特徴とする実用新案登録請求の範囲第
２項記載のエンジン用吸気装置。[Claims for Utility Model Registration] (1) The first intake port connected to the combustion chamber at the downstream end is shaped to introduce intake air into the combustion chamber so as to generate a strong vortex flow in the combustion chamber. the first intake passage has a wall portion and a second wall portion configured to introduce intake air into the combustion chamber such that a weak vortex is generated in the combustion chamber; A second intake passage that communicates with the intake port from the direction in which the intake air guided through the first wall flows along the first wall portion, and is provided in parallel to the first intake passage; The intake air guided through the intake passage communicates with the intake port from the direction in which it flows along the second wall portion, and first and second throttle valves are connected to the first intake passage and the second intake passage, respectively. An intake device for an engine, characterized in that it is arranged in an intake passage of. (2) The engine intake system according to claim 1, wherein the length of the first intake passage is equal to or longer than the length of the second intake passage. (3) The first and second throttle valves are open and closed, respectively, when the engine is rotating at low speed, and closed and open, respectively, when the engine is rotating at high speed. The engine intake system according to scope 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8635787U JPS63196434U (en) | 1987-06-03 | 1987-06-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8635787U JPS63196434U (en) | 1987-06-03 | 1987-06-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63196434U true JPS63196434U (en) | 1988-12-16 |
Family
ID=30942586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8635787U Pending JPS63196434U (en) | 1987-06-03 | 1987-06-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63196434U (en) |
-
1987
- 1987-06-03 JP JP8635787U patent/JPS63196434U/ja active Pending
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