JPH02103128U - - Google Patents
Info
- Publication number
- JPH02103128U JPH02103128U JP1275589U JP1275589U JPH02103128U JP H02103128 U JPH02103128 U JP H02103128U JP 1275589 U JP1275589 U JP 1275589U JP 1275589 U JP1275589 U JP 1275589U JP H02103128 U JPH02103128 U JP H02103128U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- passage
- speed rotation
- combustion engine
- internal combustion
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Landscapes
- Valve Device For Special Equipments (AREA)
- Characterised By The Charging Evacuation (AREA)
Description
第１図は本考案に基づく吸気装置を具備する内
燃機関の一部の模式的断面図である。第２図は動
弁機構の一部を模式的に示す構成図である。第３
図は動弁機構の要部を示す断面図である。第４図
は第１図の―線についてみた図である。第５
図は本考案に基づく吸気装置の模式的構成図であ
る。第６図は内燃機関の回転速度の変化に伴う動
弁機構及び吸気装置の切換えタイミングと共に内
燃機関の出力トルクの変化を示すグラフである。
１ａ，１ｂ……吸気弁、２……カム軸、３ａ…
…ベース円部、３ｂ……低速カム、４……高速カ
ム、５〜７……ロツカアーム、５ａ，６ａ，７ａ
……スリツパ面、８……ロツカ軸、９ａ，９ｂ…
…タペツトねじ、１０ａ，１０ｂ……ロツクナツ
ト、１１……シリンダヘツド、１２……リフタ、
１４……動弁切換機構、１５ａ，１５ｂ……スプ
リングリテーナ、１６ａ，１６ｂ……バルブスプ
リング、１７，２０，２１……ガイド孔、２５，
２６……ピストン、２７……ストツパ、２８……
圧縮コイルばね、３０……油供給路、３２……通
路、３３……ポート、４０ａ，４０ｂ……吸気ポ
ート、４１……スロツトルボデイ、４２……隔壁
、４３，４４……吸気室、４５……開閉弁、４６
，４７……吸気通路、４８……隔壁、４８ａ……
延長部、４９……第１通路体、５０……第２通路
体、５１……燃料噴射ノズル、５２……連通路、
５３……通路体、５４……開閉制御弁、５５……
アクチユエータ、５６……制御ユニツト、５７…
…アクチユエータ、５８……速度センサ、５９…
…油圧コントローラ。
FIG. 1 is a schematic sectional view of a part of an internal combustion engine equipped with an intake system according to the present invention. FIG. 2 is a configuration diagram schematically showing a part of the valve train. Third
The figure is a sectional view showing the main parts of the valve mechanism. FIG. 4 is a view taken along the - line in FIG. 1. Fifth
The figure is a schematic configuration diagram of an intake device based on the present invention. FIG. 6 is a graph showing changes in the output torque of the internal combustion engine as well as switching timings of the valve train and the intake system due to changes in the rotational speed of the internal combustion engine. 1a, 1b...Intake valve, 2...Camshaft, 3a...
...Base circular part, 3b...Low speed cam, 4...High speed cam, 5-7...Rotsuka arm, 5a, 6a, 7a
...Slipper surface, 8...Rock shaft, 9a, 9b...
... Tappet screw, 10a, 10b ... Lock nut, 11 ... Cylinder head, 12 ... Lifter,
14... Valve switching mechanism, 15a, 15b... Spring retainer, 16a, 16b... Valve spring, 17, 20, 21... Guide hole, 25,
26...piston, 27...stopper, 28...
Compression coil spring, 30... Oil supply path, 32... Passage, 33... Port, 40a, 40b... Intake port, 41... Throttle body, 42... Partition wall, 43, 44... Intake chamber, 45... Open/close valve, 46
, 47... Intake passage, 48... Partition wall, 48a...
Extension part, 49... first passage body, 50... second passage body, 51... fuel injection nozzle, 52... communication passage,
53... Passage body, 54... Opening/closing control valve, 55...
Actuator, 56... Control unit, 57...
...Actuator, 58...Speed sensor, 59...
...Hydraulic controller.
Claims (1)
吸気通路を有する吸気装置であつて、 前記各吸気通路を互いに連通するべく該各通路
の中間部に開口する連通路と、 前記連通路の前記各吸気通路への開口部に各々
設けられた開閉制御弁と、 前記開閉制御弁を当該内燃機関の運転状況に応
じて開閉制御する制御ユニツトとを有することを
特徴とする内燃機関の吸気装置。 (2) 多気筒の内燃機関に於て各気筒毎に個別の
低速回転用吸気通路及び高速回転用吸気通路を有
し、前記低速回転用及び高速回転用吸気通路を当
該内燃機関の運転状況に応じて選択的に用いる吸
気装置であつて、 前記低速回転用吸気通路を互いに連通するべく
該各通路の中間部に開口する連通路と、 前記連通路の前記各低速回転用吸気通路への開
口部に設けられた開閉制御弁と、 前記開閉制御弁を当該内燃機関の運転状況に応
じて開閉制御する制御ユニツトとを有することを
特徴とする内燃機関の吸気装置。 (3) 前記低速回転用吸気通路の通路長が前記高
速回転用吸気通路よりも長いことを特徴とする実
用新案登録請求の範囲第２項に記載の内燃機関の
吸気装置。 (4) 前記各気筒から前記連通路開口までの前記
低速回転用吸気通路の通路長と前記高速回転用通
路の通路長とが略等しいことを特徴とする実用新
案登録請求の範囲第３項に記載の内燃機関の吸気
装置。[Claims for Utility Model Registration] (1) An intake device having separate intake passages for each cylinder in a multi-cylinder internal combustion engine, wherein an intermediate portion of each intake passage is provided so as to communicate the intake passages with each other. a communication passage that opens to the intake passage, an on-off control valve provided at each opening of the communication passage to each intake passage, and a control unit that controls opening and closing of the on-off control valve according to the operating status of the internal combustion engine. An intake device for an internal combustion engine, comprising: (2) In a multi-cylinder internal combustion engine, each cylinder has an individual intake passage for low-speed rotation and an intake passage for high-speed rotation, and the intake passage for low-speed rotation and high-speed rotation is adapted to the operating conditions of the internal combustion engine. The intake device is selectively used according to the above-mentioned conditions, and includes: a communication passage that opens at an intermediate portion of each of the passages to communicate the low-speed rotation intake passages with each other; and an opening of the communication passage to each of the low-speed rotation intake passages. An intake system for an internal combustion engine, comprising: an opening/closing control valve provided in a part thereof; and a control unit that controls opening/closing of the opening/closing control valve according to operating conditions of the internal combustion engine. (3) The intake system for an internal combustion engine according to claim 2, wherein the passage length of the intake passage for low-speed rotation is longer than that of the intake passage for high-speed rotation. (4) The utility model registration claim 3 is characterized in that the passage length of the low-speed rotation intake passage and the passage length of the high-speed rotation passage from each cylinder to the communication passage opening are approximately equal. Intake system for the internal combustion engine described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989012755U JPH0729223Y2 (en) | 1989-02-06 | 1989-02-06 | Internal combustion engine intake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989012755U JPH0729223Y2 (en) | 1989-02-06 | 1989-02-06 | Internal combustion engine intake system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02103128U true JPH02103128U (en) | 1990-08-16 |
| JPH0729223Y2 JPH0729223Y2 (en) | 1995-07-05 |
Family
ID=31222483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989012755U Expired - Lifetime JPH0729223Y2 (en) | 1989-02-06 | 1989-02-06 | Internal combustion engine intake system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0729223Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9476380B2 (en) | 2013-12-24 | 2016-10-25 | Hyundai Motor Company | Engine provided with connecting line connecting each cylinder |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61116019A (en) * | 1984-11-08 | 1986-06-03 | Mazda Motor Corp | Engine intake-air device |
| JPS6354822U (en) * | 1986-09-30 | 1988-04-13 |
-
1989
- 1989-02-06 JP JP1989012755U patent/JPH0729223Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61116019A (en) * | 1984-11-08 | 1986-06-03 | Mazda Motor Corp | Engine intake-air device |
| JPS6354822U (en) * | 1986-09-30 | 1988-04-13 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9476380B2 (en) | 2013-12-24 | 2016-10-25 | Hyundai Motor Company | Engine provided with connecting line connecting each cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0729223Y2 (en) | 1995-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |