JPH0526016A - Variable lift mechanism for intake and exhaust valve of reciprocating internal combustion engine - Google Patents
Variable lift mechanism for intake and exhaust valve of reciprocating internal combustion engineInfo
- Publication number
- JPH0526016A JPH0526016A JP26993291A JP26993291A JPH0526016A JP H0526016 A JPH0526016 A JP H0526016A JP 26993291 A JP26993291 A JP 26993291A JP 26993291 A JP26993291 A JP 26993291A JP H0526016 A JPH0526016 A JP H0526016A
- Authority
- JP
- Japan
- Prior art keywords
- intake
- cam
- combustion engine
- internal combustion
- exhaust valve
- 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
Landscapes
- Valve Device For Special Equipments (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、特にモータースポーツ
の分野において簡単な装置で内燃機関の馬力をアップさ
せる装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for increasing the horsepower of an internal combustion engine with a simple device, particularly in the field of motor sports.
【０００２】[0002]
【従来の技術】従来の内燃機関の可変リフト機構は、低
速と高速の二段階にしかならない装置である。2. Description of the Related Art A conventional variable lift mechanism for an internal combustion engine is a device that has only two stages, low speed and high speed.
【０００３】[0003]
【発明が解決しようとする課題】従来の内燃機関の可変
リフト弁機構は、低回転用と高回転用の二段階にしか可
変出来なかった。The conventional variable lift valve mechanism for an internal combustion engine can only be changed in two stages, one for low rotation and the other for high rotation.
【０００４】本発明は、内燃機関の吸、排気弁のリフト
を無段階に変化させて吸入量、排気量を負荷に応じて無
段階に変化させ、内燃機関の馬力をスムースにアップさ
せるものである。The present invention continuously changes the intake and exhaust valve lifts of the internal combustion engine to continuously change the intake amount and the exhaust amount according to the load, thereby smoothly increasing the horsepower of the internal combustion engine. is there.
【０００５】[0005]
【課題を解決する為の手段】上記目的を達成する為の本
発明の無段階可変リフト弁機構においては、吸、排気弁
（１）のリフトを無段階に変化させる為のロッカーム
（２）、ロッカーム（２）にはカム（３）が無段階に移
動する為のカム軸（３−ａ）の移動線と平行の平面を持
っている。In the stepless variable lift valve mechanism of the present invention for achieving the above object, a rocker arm (2) for steplessly changing the lift of the intake / exhaust valve (1), The rockam (2) has a plane parallel to the movement line of the cam shaft (3-a) for the cam (3) to move steplessly.
【０００６】また、カム（３）を平行移動させる為にカ
ム軸（３−ａ）の軸受を備えたスライドハウジング
（４）、それを平行移動させる為の偏芯カム（５）、そ
して偏芯カム（５）を回転させるアーム（６）、リンク
（７）よりなる。Further, a slide housing (4) provided with a bearing of a cam shaft (3-a) for moving the cam (3) in parallel, an eccentric cam (5) for moving it in parallel, and an eccentricity. It comprises an arm (6) for rotating the cam (5) and a link (7).
【０００７】[0007]
【作用】上記のように形成された無段階可変リフト弁機
構において運転者がペダル、またはアクセルレバーを操
作するとリンク（７）がアーム（６）を動かし、偏芯カ
ム（５）を回転させる。偏芯カム（５）がスライドハウ
ジング（４）の溝の中を回転することにより、スライド
ハウジング（４）が左右に移動する。するとスライドハ
ウジング（４）に軸受を持つカム軸（３−ａ）も移動す
る。カム（３）がロッカーム（２）のカム接触面上を平
行移動すると、ロッカーム（２）の支点からカム（３）
までの距離が変化する。すなわち、支点からカム（３）
までの距離が遠いとバルブ（１）を押し下げるロッカー
ム（２）の先端が小さく動く。また、支点からカム
（３）までの距離が近いとバルブ（１）を押し下げるロ
ッカーム（２）の先端が大きく動く。すなわち、When the driver operates the pedal or the accelerator lever in the continuously variable lift valve mechanism formed as described above, the link (7) moves the arm (6) to rotate the eccentric cam (5). When the eccentric cam (5) rotates in the groove of the slide housing (4), the slide housing (4) moves left and right. Then, the cam shaft (3-a) having the bearing in the slide housing (4) also moves. When the cam (3) moves in parallel on the cam contact surface of the rocker arm (2), the cam (3) moves from the fulcrum of the rocker arm (2).
The distance to changes. That is, from the fulcrum to the cam (3)
If the distance is too long, the tip of the rocker (2) that pushes down the valve (1) will move slightly. If the distance from the fulcrum to the cam (3) is short, the tip of the rocker (2) that pushes down the valve (1) moves greatly. That is,
【図１】において、（Ａ）の位置を低負荷時、（Ｂ）の
位置を高負荷時を示し、その間は無段階に変化させるこ
とが出来る。In FIG. 1, the position of (A) shows a low load, the position of (B) shows a high load, and during that period, it can be changed steplessly.
【０００８】[0008]
【実施例】実施例について図面を参照して説明すると、
図（１）において吸、排気弁（１）を開閉するロッカー
ム（２）、ロッカーム（２）を動かすカム（３）、カム
（３）の軸受を備えたスライドハウジング（４）、それ
を左右に移動させる偏芯カム（５）、偏芯カム（５）を
回転させるアーム（６）、リンク（７）を取り付ける。EXAMPLES Examples will be described with reference to the drawings.
In Fig. 1 (1), a rocker (2) for opening and closing the intake and exhaust valves (1), a cam (3) for moving the rocker (2), a slide housing (4) equipped with a bearing for the cam (3), and a left and right thereof. An eccentric cam (5) to be moved, an arm (6) to rotate the eccentric cam (5), and a link (7) are attached.
【０００９】[0009]
【発明の効果】往復動内燃機関の吸、排気弁のリフトを
運転中に負荷に応じて無段階にスムースに変化させるこ
とにより、空気または、混合気体の吸入面積、そして排
気の面積を変え馬力を滑らかに増大させるものである。EFFECTS OF THE INVENTION By changing the intake and exhaust valve lifts of a reciprocating internal combustion engine smoothly and steplessly according to the load during operation, the intake area of air or mixed gas and the area of exhaust gas are changed. Is smoothly increased.
【図１】本発明の可変リフト弁機構の実施例を示す断面
図である。FIG. 1 is a cross-sectional view showing an embodiment of a variable lift valve mechanism of the present invention.
【図２】[Fig. 2]
【図１】の可変リフト弁機構におけるカムの水平移動機
構を示す。FIG. 1 shows a horizontal movement mechanism of a cam in the variable lift valve mechanism of FIG.
（１）吸、排気弁 （２）ロッカーム （３）カム （３−ａ）カム軸 （４）スライドハウジング （５）偏芯カム （６）アーム （７）リンク （Ａ）低負荷時の位置を示す。 （Ｂ）高負荷時の位置を示す。 (1) Intake and exhaust valves (2) Rockam (3) Cam (3-a) Cam shaft (4) Slide housing (5) Eccentric cam (6) Arm (7) Link (A) Position at low load Show. (B) Shows the position when the load is high.
Claims (1)
トを無段階に変化させる為のロッカーム（２）があり、
ロッカーム（２）にはカム（３）が無段階に移動する為
の直線的な平面を持っている可変リフト弁機構。[Claims] [Claim 1] There is a rocker (2) for continuously changing the intake / exhaust valve (1) lift of a reciprocating internal combustion engine,
A variable lift valve mechanism in which the cam (3) has a linear plane for continuously moving the rocker (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26993291A JPH0526016A (en) | 1991-07-18 | 1991-07-18 | Variable lift mechanism for intake and exhaust valve of reciprocating internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26993291A JPH0526016A (en) | 1991-07-18 | 1991-07-18 | Variable lift mechanism for intake and exhaust valve of reciprocating internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0526016A true JPH0526016A (en) | 1993-02-02 |
Family
ID=17479210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26993291A Pending JPH0526016A (en) | 1991-07-18 | 1991-07-18 | Variable lift mechanism for intake and exhaust valve of reciprocating internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0526016A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101039897B1 (en) * | 2009-08-13 | 2011-06-09 | 기아자동차주식회사 | Continuously variable valve lift device of engine |
| KR101241719B1 (en) * | 2007-12-11 | 2013-03-08 | 현대자동차주식회사 | Variable valve lift and timing apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4423442Y1 (en) * | 1969-04-03 | 1969-10-03 | ||
| JPS60113005A (en) * | 1983-11-25 | 1985-06-19 | Suzuki Motor Co Ltd | Valve timing variable device of four-cycle engine |
-
1991
- 1991-07-18 JP JP26993291A patent/JPH0526016A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4423442Y1 (en) * | 1969-04-03 | 1969-10-03 | ||
| JPS60113005A (en) * | 1983-11-25 | 1985-06-19 | Suzuki Motor Co Ltd | Valve timing variable device of four-cycle engine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101241719B1 (en) * | 2007-12-11 | 2013-03-08 | 현대자동차주식회사 | Variable valve lift and timing apparatus |
| KR101039897B1 (en) * | 2009-08-13 | 2011-06-09 | 기아자동차주식회사 | Continuously variable valve lift device of engine |
| US8245676B2 (en) | 2009-08-13 | 2012-08-21 | Hyundai Motor Company | Continuously variable valve lift device of engine |
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