JPH0222632U - - Google Patents
Info
- Publication number
- JPH0222632U JPH0222632U JP10121588U JP10121588U JPH0222632U JP H0222632 U JPH0222632 U JP H0222632U JP 10121588 U JP10121588 U JP 10121588U JP 10121588 U JP10121588 U JP 10121588U JP H0222632 U JPH0222632 U JP H0222632U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- exhaust valves
- intake
- diameter intake
- diameter
- 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
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 230000002000 scavenging effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
- Supercharger (AREA)
- Valve Device For Special Equipments (AREA)
Description
第１図は本考案の複合エンジンの実施例を示す
全体図、第２図は２組の吸、排気弁の形状と配置
を示す図、第３図は動弁機構と弁休止機構を示す
図、第４図ａは第３図のＡ―Ａ断面図、第４図ｂ
は第３図のＢ―Ｂ断面図、第４図ｃは係合手段の
断面図、第５図は作用のフローチヤート図、第６
図ａ，ｂは４サイクルと２サイクルの開弁状態を
示す図、第７図は他の実施例を示す構成図である
。
１……エンジン本体、２……燃焼室、３……大
径吸気弁、４……大径排気弁、３′……小径吸気
弁、４′……小径排気弁、６……掃気ポンプ、２
０……２サイクル用動弁機構、２０′……４サイ
クル用動弁機構、４０……弁休止機構。
Fig. 1 is an overall view showing an embodiment of the compound engine of the present invention, Fig. 2 is a view showing the shape and arrangement of two sets of intake and exhaust valves, and Fig. 3 is a view showing the valve operating mechanism and valve stop mechanism. , Figure 4a is a sectional view taken along line AA in Figure 3, Figure 4b is
is a sectional view taken along line BB in Fig. 3, Fig. 4c is a sectional view of the engaging means, Fig. 5 is a flowchart of the operation, and Fig. 6
Figures a and b are diagrams showing the 4-cycle and 2-cycle valve open states, and Figure 7 is a configuration diagram showing another embodiment. 1...Engine body, 2...Combustion chamber, 3...Large diameter intake valve, 4...Large diameter exhaust valve, 3'...Small diameter intake valve, 4'...Small diameter exhaust valve, 6...Scavenging pump, 2
0... Valve operating mechanism for 2 cycles, 20'... Valve operating mechanism for 4 cycles, 40... Valve stop mechanism.
Claims (1)
と、１組の小径吸、排気弁とを配設し、 上記大径吸、排気弁には２サイクル用動弁機構
を、上記小径吸、排気弁には４サイクル用動弁機
構を弁開閉動作すべく設け、 上記両動弁機構に運転条件によりいずれか一方
を選択する弁休止機構を設け、 少なくとも上記大径吸気弁の吸気系にエンジン
動力で駆動する掃気ポンプを連設することを特徴
とする複合エンジン。[Scope of claim for utility model registration] One set of large-diameter intake and exhaust valves and one set of small-diameter intake and exhaust valves are arranged in the combustion chamber of the engine body, and the large-diameter intake and exhaust valves have two cycles. A 4-cycle valve mechanism is provided for the small-diameter intake and exhaust valves to open and close the valve, and both valve mechanisms are provided with a valve stop mechanism for selecting one of them depending on operating conditions, and at least A compound engine characterized in that a scavenging pump driven by engine power is connected to the intake system of the large-diameter intake valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10121588U JPH0222632U (en) | 1988-07-29 | 1988-07-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10121588U JPH0222632U (en) | 1988-07-29 | 1988-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0222632U true JPH0222632U (en) | 1990-02-15 |
Family
ID=31330007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10121588U Pending JPH0222632U (en) | 1988-07-29 | 1988-07-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0222632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04143423A (en) * | 1990-10-04 | 1992-05-18 | Isuzu Ceramics Kenkyusho:Kk | Two-four cycle selector engine |
-
1988
- 1988-07-29 JP JP10121588U patent/JPH0222632U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04143423A (en) * | 1990-10-04 | 1992-05-18 | Isuzu Ceramics Kenkyusho:Kk | Two-four cycle selector engine |