JPS55164758A - Internal-combustion engine - Google Patents
Internal-combustion engineInfo
- Publication number
- JPS55164758A JPS55164758A JP7111579A JP7111579A JPS55164758A JP S55164758 A JPS55164758 A JP S55164758A JP 7111579 A JP7111579 A JP 7111579A JP 7111579 A JP7111579 A JP 7111579A JP S55164758 A JPS55164758 A JP S55164758A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- suction
- passage
- low
- primary
- 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
- Output Control And Ontrol Of Special Type Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
PURPOSE: To improve the atomization of fuel and to reduce the production of NOx in an internal-combustion engine by forming a suction system of two passage systems, and stopping an operation of a suction valve in one passage system by means of a valve operation stopping mechanism and increasing an amount of exhaust reflux at low and medium loads.
CONSTITUTION: A suction system 11 comprises a primary suction passage 1 having a primary throttle valve 12 and a primary suction valve 2, and a secondary suction passage 3 having a secondary throttle valve 13 and a secondary suction valve 4. A secondary suction valve 4 is provided with a plunger 15 which is driven by the suction pressure and stops the operation of the valve 4 at low and medium loads by applying the oil pressure. A suction pressure passage 24 for driving a control valve 16 is communicated with an EGR valve 34 and an air valve 35 of a control mechanism 42, so that the amount of exhaust reflux is increased at low and medium loads by opening the valve 34 and closing the valve 35, and the valves 34 and 35 are inversely operated at high loads.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7111579A JPS55164758A (en) | 1979-06-08 | 1979-06-08 | Internal-combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7111579A JPS55164758A (en) | 1979-06-08 | 1979-06-08 | Internal-combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55164758A true JPS55164758A (en) | 1980-12-22 |
| JPS6334289B2 JPS6334289B2 (en) | 1988-07-08 |
Family
ID=13451233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7111579A Granted JPS55164758A (en) | 1979-06-08 | 1979-06-08 | Internal-combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55164758A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5838356A (en) * | 1981-08-28 | 1983-03-05 | Toyota Motor Corp | Internal-combustion engine |
| JPS5887941U (en) * | 1981-12-10 | 1983-06-15 | 三菱自動車工業株式会社 | Hydraulic control device for valve operation stop mechanism |
| JPS5970854A (en) * | 1982-10-18 | 1984-04-21 | Toyota Motor Corp | Internal-combustion engine |
| JP2010138861A (en) * | 2008-12-12 | 2010-06-24 | Mitsubishi Motors Corp | Variable valve gear |
-
1979
- 1979-06-08 JP JP7111579A patent/JPS55164758A/en active Granted
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5838356A (en) * | 1981-08-28 | 1983-03-05 | Toyota Motor Corp | Internal-combustion engine |
| JPS5887941U (en) * | 1981-12-10 | 1983-06-15 | 三菱自動車工業株式会社 | Hydraulic control device for valve operation stop mechanism |
| JPS5970854A (en) * | 1982-10-18 | 1984-04-21 | Toyota Motor Corp | Internal-combustion engine |
| JPH0144891B2 (en) * | 1982-10-18 | 1989-10-02 | Toyota Motor Co Ltd | |
| JP2010138861A (en) * | 2008-12-12 | 2010-06-24 | Mitsubishi Motors Corp | Variable valve gear |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6334289B2 (en) | 1988-07-08 |
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