JPH01142503U - - Google Patents
Info
- Publication number
- JPH01142503U JPH01142503U JP3942088U JP3942088U JPH01142503U JP H01142503 U JPH01142503 U JP H01142503U JP 3942088 U JP3942088 U JP 3942088U JP 3942088 U JP3942088 U JP 3942088U JP H01142503 U JPH01142503 U JP H01142503U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- internal combustion
- combustion engine
- valve
- rotary 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
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 1
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図から第７図は本考案の一実施例を示して
おり、第１図は本考案に係る回転弁装置を適用し
た自動二輪車用エンジンの要部を示す断面図、第
２図は吸気通路と２つの吸気側回転弁との関係を
示す断面図、第３図ａは回転弁が閉弁位置直前の
位置にある状態を示す断面図、第３図ｂは回転弁
が閉弁位置にある状態を示す断面図、第４図は２
つの吸気側回転弁及びこれらに関連する部品を示
す分解斜視図、第５図は動弁機構を示す断面図、
第６図は横軸にクランク角を、縦軸にバルブ開口
面積をとつたグラフ、第７図は横軸にクランク角
を、縦軸に一方の吸気支路中の流速をとつたグラ
フである。
１……自動二輪車用エンジン（内燃機関）、９
……吸気通路、９１，９２……吸気支路、１１…
…熱焼室、１２，１３……吸気側回転弁、２０…
…動弁機構。
1 to 7 show an embodiment of the present invention, FIG. 1 is a sectional view showing the main parts of a motorcycle engine to which the rotary valve device according to the present invention is applied, and FIG. 2 is an intake A cross-sectional view showing the relationship between the passage and the two intake-side rotary valves. Figure 3a is a cross-sectional view showing the rotary valve in a position just before the valve closing position. Figure 3b is a cross-sectional view showing the rotary valve in the valve closing position. A cross-sectional view showing a certain state, Figure 4 is 2
An exploded perspective view showing the two intake-side rotary valves and their related parts; FIG. 5 is a sectional view showing the valve mechanism;
Figure 6 is a graph with crank angle on the horizontal axis and valve opening area on the vertical axis, and Figure 7 is a graph with crank angle on the horizontal axis and flow velocity in one intake branch on the vertical axis. . 1... Motorcycle engine (internal combustion engine), 9
...Intake passage, 9 1 , 9 2 ...Intake branch, 11...
...Heating chamber, 12, 13...Intake side rotary valve, 20...
...Valve mechanism.
Claims (1)
路に夫々連通する２つの吸気支路と、該各吸気支
路中に介装された２つの吸気側回転弁と、該各吸
気側回転弁を独立して間欠的に開閉駆動する動弁
機構とを備えた内燃機関の回転弁装置において、
前記２つの吸気側回転弁の閉弁時期が互いにずれ
るように前記動弁機構を構成したことを特徴とす
る内燃機関の回転弁装置。 Two intake branch passages each communicating with a combustion chamber of an internal combustion engine on the downstream side and an intake passage on the upstream side, two intake side rotary valves interposed in each of the intake branch passages, and each intake side rotary valve. In a rotary valve device for an internal combustion engine equipped with a valve train that is independently and intermittently driven to open and close,
A rotary valve device for an internal combustion engine, wherein the valve operating mechanism is configured such that the closing timings of the two intake side rotary valves are shifted from each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3942088U JPH01142503U (en) | 1988-03-25 | 1988-03-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3942088U JPH01142503U (en) | 1988-03-25 | 1988-03-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01142503U true JPH01142503U (en) | 1989-09-29 |
Family
ID=31265924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3942088U Pending JPH01142503U (en) | 1988-03-25 | 1988-03-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01142503U (en) |
-
1988
- 1988-03-25 JP JP3942088U patent/JPH01142503U/ja active Pending