JPS56110518A - Suction device of internal combustion engine - Google Patents
Suction device of internal combustion engineInfo
- Publication number
- JPS56110518A JPS56110518A JP1170680A JP1170680A JPS56110518A JP S56110518 A JPS56110518 A JP S56110518A JP 1170680 A JP1170680 A JP 1170680A JP 1170680 A JP1170680 A JP 1170680A JP S56110518 A JPS56110518 A JP S56110518A
- Authority
- JP
- Japan
- Prior art keywords
- throttle valve
- fuel
- nozzle
- channel
- 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
- F02B31/00—Modifying induction systems for imparting a rotation to the charge in the cylinder
- F02B2031/003—Modifying induction systems for imparting a rotation to the charge in the cylinder with an auxiliary intake conduit starting upstream of personally controlled throttle valve and ending upstream of and close to the intake valve, or with an auxiliary intake conduit being an independent passage, e.g. having its own carburettor
Abstract
PURPOSE: To improve combustion characteristics of the internal combustion engine and thereby save fuel cost by a method wherein air bypassing a throttle valve is jetted from a nozzle in between the throttle valve and an intake port, thereby causing turbulence in fuel-air mixture.
CONSTITUTION: The fuel gasified in a carburetor 8 turns to be fuel-air mixture, which is sent to a cylinder 1 through the throttle valve 9, an intake pipe 7, the intake port 7' and an intake valve 3. A channel 12 is connected with an idle-time by-pass orifice 10 located on the upstream side of the throttle valve 9 and with a low-speed-time by-pass orifice 11 and the area of the by-pass orifice 11 that faces the upstreame side of the throttle valve 9 increases sequentially as the throttle valve 9 opens to a prescribed degree of opening. Since the air or superthinned fuel-air mixture bypassing the throttle valve 9 flows in the channel 12, a difference in pressure is caused between the channel 12 and the tip part of the nozzle 13, whereby high-speed flow is jetted out from the nozzle 13.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1170680A JPS56110518A (en) | 1980-02-02 | 1980-02-02 | Suction device of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1170680A JPS56110518A (en) | 1980-02-02 | 1980-02-02 | Suction device of internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56110518A true JPS56110518A (en) | 1981-09-01 |
Family
ID=11785481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1170680A Pending JPS56110518A (en) | 1980-02-02 | 1980-02-02 | Suction device of internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56110518A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10487721B2 (en) | 2015-03-31 | 2019-11-26 | Husqvarna Ab | Two-stroke internal combustion engine |
-
1980
- 1980-02-02 JP JP1170680A patent/JPS56110518A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10487721B2 (en) | 2015-03-31 | 2019-11-26 | Husqvarna Ab | Two-stroke internal combustion engine |
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