JPS6015904U - Internal combustion engine valve drive device - Google Patents
Internal combustion engine valve drive deviceInfo
- Publication number
- JPS6015904U JPS6015904U JP10868883U JP10868883U JPS6015904U JP S6015904 U JPS6015904 U JP S6015904U JP 10868883 U JP10868883 U JP 10868883U JP 10868883 U JP10868883 U JP 10868883U JP S6015904 U JPS6015904 U JP S6015904U
- Authority
- JP
- Japan
- Prior art keywords
- rocker
- combustion engine
- internal combustion
- rocker arm
- drive device
- 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-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来装置の一部縦断面図、第２図は吸気弁の弁
リフト特性図である。第３図は本考案の第１実施例の要
部側面図、第４図は第３図のＡ矢視図、第５図は第４図
のＡ−Ａ断面図、第６図は吸気弁の弁リフト特性図、第
７図は作動例を示す説明図、第８図は軸トルク特性図で
ある。第９図は本考案の他の実施例の要部断面図である
。
２・・・カムシャフト、５・・・吸気弁、７・・・ロッ
カシャフト、１５・・・第１のカム、１６・・・第２の
カム、１７・・・第１のロッカアーム、１Ｂ・・・第２
のロッカアーム、１９・・・ストッパ、２０・・・溝、
２１・・・突起、２４．２５・・・スプリング、３１・
・・ピストン、３３・・・油圧室、３５・・・油圧ポン
プ、３７・・・油圧制御弁、５５・・・絞弁、５６・・
・ワイヤ、５７・・・通路、５８・・・逆止弁、５９・
・・オリフィス。FIG. 1 is a partial vertical sectional view of a conventional device, and FIG. 2 is a valve lift characteristic diagram of an intake valve. Fig. 3 is a side view of essential parts of the first embodiment of the present invention, Fig. 4 is a view taken along arrow A in Fig. 3, Fig. 5 is a sectional view taken along line A-A in Fig. 4, and Fig. 6 is an intake valve. FIG. 7 is an explanatory diagram showing an example of operation, and FIG. 8 is a shaft torque characteristic diagram. FIG. 9 is a sectional view of a main part of another embodiment of the present invention. 2... Camshaft, 5... Intake valve, 7... Rocker shaft, 15... First cam, 16... Second cam, 17... First rocker arm, 1B.・Second
rocker arm, 19...stopper, 20...groove,
21...Protrusion, 24.25...Spring, 31.
... Piston, 33... Hydraulic chamber, 35... Hydraulic pump, 37... Hydraulic control valve, 55... Throttle valve, 56...
・Wire, 57... Passage, 58... Check valve, 59.
...orifice.
Claims (1)
て形成するとともに、これらのカムのそれぞれに従動す
るロッカアームをロッカシャフトの同軸上に並置し、第
１のカムに従動して吸気弁を開閉作動する第１のロッカ
アームに対し、第２のロッカアームは第２のカムに従動
する部分のみから形成され、ロッカシャフトの軸方向に
摺動自在で、かつ前記第１のロッカアームとロッカシャ
フトの回転方向に係合可能に設けるとともに、この係合
を運転条件に応じて選択的に切換えるべくロッカシャフ
トに沿って前記第２のロッカアームを駆動させる手段を
設けたことを特徴とする内燃機関の弁駆動装置。
。A pair of cams with different profiles are formed adjacent to each other on the camshaft, and rocker arms driven by each of these cams are arranged on the same axis of the rocker shaft, and the intake valves are opened and closed by being driven by the first cam. In contrast to the first rocker arm, the second rocker arm is formed only from a portion driven by the second cam, is slidable in the axial direction of the rocker shaft, and is connected to the first rocker arm in the rotational direction of the rocker shaft. 1. A valve driving device for an internal combustion engine, comprising means for driving the second rocker arm along a rocker shaft to selectively switch the engagement according to operating conditions.
.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10868883U JPS6015904U (en) | 1983-07-13 | 1983-07-13 | Internal combustion engine valve drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10868883U JPS6015904U (en) | 1983-07-13 | 1983-07-13 | Internal combustion engine valve drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6015904U true JPS6015904U (en) | 1985-02-02 |
Family
ID=30253479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10868883U Pending JPS6015904U (en) | 1983-07-13 | 1983-07-13 | Internal combustion engine valve drive device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6015904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61252831A (en) * | 1985-04-30 | 1986-11-10 | Mazda Motor Corp | Intake device of engine |
-
1983
- 1983-07-13 JP JP10868883U patent/JPS6015904U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61252831A (en) * | 1985-04-30 | 1986-11-10 | Mazda Motor Corp | Intake device of engine |
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