JPS56118513A - Accelerating fuel supply device for two-cycle engine - Google Patents
Accelerating fuel supply device for two-cycle engineInfo
- Publication number
- JPS56118513A JPS56118513A JP2202280A JP2202280A JPS56118513A JP S56118513 A JPS56118513 A JP S56118513A JP 2202280 A JP2202280 A JP 2202280A JP 2202280 A JP2202280 A JP 2202280A JP S56118513 A JPS56118513 A JP S56118513A
- Authority
- JP
- Japan
- Prior art keywords
- mixture
- check valve
- scavenging
- crank chamber
- supply device
- 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
- 239000000446 fuel Substances 0.000 title abstract 5
- 230000002000 scavenging effect Effects 0.000 abstract 5
- 239000000203 mixture Substances 0.000 abstract 4
- 230000001133 acceleration Effects 0.000 abstract 3
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
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
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/04—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers
- F02B61/045—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers for marine engines
-
- 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
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
Landscapes
- Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
PURPOSE: To prevent a mixture from thinning at sharp acceleration, by providing an on-wall fuel film collecting section on the bottom of a crank chamber and connecting the collecting section through a communication passage and a check valve to a scavenging passage near a scavenging port.
CONSTITUTION: When a piston 14 is moved leftward in a two-cycle horizontal- cylinder engine as an outboard motor, a mixture in a crank chamber 22 is pressurized and then introduced into a combustion chamber 18 through a scavenging passage 24 by opening a scavenging port. In idling or slow operation, some of the mixture clings as a fuel film on the wall surface of the crank chamber 22. The fuel film is collected into an opening 40 through the groove of a bearing 30 and then collected at the upstream side of a check valve 46 in a pipe 44 through a hole 42. When sharp acceleration is effected in that state, the fuel in the pipe 44 is injected into the scavenging passage 24 through the check valve 46 to prevent the mixture from thinning at said acceleration.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2202280A JPS56118513A (en) | 1980-02-22 | 1980-02-22 | Accelerating fuel supply device for two-cycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2202280A JPS56118513A (en) | 1980-02-22 | 1980-02-22 | Accelerating fuel supply device for two-cycle engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56118513A true JPS56118513A (en) | 1981-09-17 |
Family
ID=12071352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2202280A Pending JPS56118513A (en) | 1980-02-22 | 1980-02-22 | Accelerating fuel supply device for two-cycle engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56118513A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0361107U (en) * | 1989-06-09 | 1991-06-14 |
-
1980
- 1980-02-22 JP JP2202280A patent/JPS56118513A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0361107U (en) * | 1989-06-09 | 1991-06-14 |
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