JPS58151303U - Internal combustion engine intake and exhaust valve drive device - Google Patents
Internal combustion engine intake and exhaust valve drive deviceInfo
- Publication number
- JPS58151303U JPS58151303U JP4846382U JP4846382U JPS58151303U JP S58151303 U JPS58151303 U JP S58151303U JP 4846382 U JP4846382 U JP 4846382U JP 4846382 U JP4846382 U JP 4846382U JP S58151303 U JPS58151303 U JP S58151303U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust valve
- intake
- drive device
- internal combustion
- combustion engine
- 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
Landscapes
- Valve Device For Special Equipments (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の内燃機関の吸排気弁駆動装置を示す断面
図、第２図は本考案の吸排気弁駆動装置を示す断面図、
第３図および第４図は同じ（要部の変化状態を示す断面
図、第５図は弁揚程とクランク角との関係を示す暖機前
後について説明するグラフである。
３１・・・吸排気ｈ、３１ａ・・・傘部、３２・・・弁
座、３３・・・吸排気ポート、３９・・田ツカアーム、
４０・・・駆動カム、４１・・・軸平行面、４２・・・
筒体。FIG. 1 is a sectional view showing a conventional intake and exhaust valve drive device for an internal combustion engine, and FIG. 2 is a sectional view showing an intake and exhaust valve drive device of the present invention.
Figures 3 and 4 are the same (cross-sectional views showing changes in the main parts; Figure 5 is a graph explaining the relationship between valve lift and crank angle before and after warm-up. 31... Intake/Exhaust) h, 31a... Umbrella part, 32... Valve seat, 33... Intake/exhaust port, 39... Tatsuka arm,
40... Drive cam, 41... Axis parallel surface, 42...
Cylindrical body.
Claims (1)
平行面を有する吸排気弁と、前記軸平行面に自由端内周
面が接触し他端が弁座または吸排気ボート部に固設され
た、形状記憶合金からなる円筒とを備えてなり、機関の
冷暖機状態に応じて前記吸排気弁の開閉タイミングを制
御するように構成したことを特徴とする内燃機関の吸排
気弁駆動装置。An intake/exhaust valve that is driven by a drive cam that is synchronized with engine rotation and has an axis-parallel surface on the umbrella part, the inner peripheral surface of the free end contacts the axis-parallel surface, and the other end is fixed to the valve seat or intake/exhaust boat part. an intake/exhaust valve drive device for an internal combustion engine, comprising a cylinder made of a shape memory alloy, and configured to control the opening/closing timing of the intake/exhaust valve according to the cooling/warming state of the engine. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4846382U JPS58151303U (en) | 1982-04-03 | 1982-04-03 | Internal combustion engine intake and exhaust valve drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4846382U JPS58151303U (en) | 1982-04-03 | 1982-04-03 | Internal combustion engine intake and exhaust valve drive device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58151303U true JPS58151303U (en) | 1983-10-11 |
| JPS6318729Y2 JPS6318729Y2 (en) | 1988-05-26 |
Family
ID=30059380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4846382U Granted JPS58151303U (en) | 1982-04-03 | 1982-04-03 | Internal combustion engine intake and exhaust valve drive device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58151303U (en) |
-
1982
- 1982-04-03 JP JP4846382U patent/JPS58151303U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6318729Y2 (en) | 1988-05-26 |
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