JPS57179331A - Intake device for internal combustion engine - Google Patents
Intake device for internal combustion engineInfo
- Publication number
- JPS57179331A JPS57179331A JP56063566A JP6356681A JPS57179331A JP S57179331 A JPS57179331 A JP S57179331A JP 56063566 A JP56063566 A JP 56063566A JP 6356681 A JP6356681 A JP 6356681A JP S57179331 A JPS57179331 A JP S57179331A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- engine
- scavenging
- suction
- air
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
PURPOSE:To enable complete combustion of lean mixture in a four-cycle internal combustion engine, by providing a scavenging valve in a cylinder head, said scavenging valve being opened and closed at a position near the top dead center between the exhaust stroke and the suction stroke, and thereby the scavenging residual gas in a combustion chamber effectually. CONSTITUTION:A carburetor 1 is formed with an air passage 5 into which air restricted by an air jet 5' is introduced, and the suction side of a pump 6 driven by a motor or an engine in association therewith is connected to the air passage 5. Further, in a cylinder head, there is provided a scavenging valve 7 which is opened and closed at a position near the top dead point between the exhaust stroke and the suction stroke of the engine. A port 8 of the scavenging valve 7 is directed, for instance, from the side of an exhaust valve to the side of a suction valve. The discharge side of the pump 6 is connected to an inlet port of the scavenging valve 7. With such an arrangement, it is enabled to scavenge the residual gas in a combustion chamber 9 of the engine effectually and to achieve complete combustion of air-fuel mixture even if the mixture is lean.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56063566A JPS57179331A (en) | 1981-04-27 | 1981-04-27 | Intake device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56063566A JPS57179331A (en) | 1981-04-27 | 1981-04-27 | Intake device for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57179331A true JPS57179331A (en) | 1982-11-04 |
Family
ID=13232912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56063566A Pending JPS57179331A (en) | 1981-04-27 | 1981-04-27 | Intake device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57179331A (en) |
-
1981
- 1981-04-27 JP JP56063566A patent/JPS57179331A/en active Pending
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