JPS56141016A - Variable device for exhaust gas expansion chamber of two cycle engine - Google Patents
Variable device for exhaust gas expansion chamber of two cycle engineInfo
- Publication number
- JPS56141016A JPS56141016A JP4391580A JP4391580A JPS56141016A JP S56141016 A JPS56141016 A JP S56141016A JP 4391580 A JP4391580 A JP 4391580A JP 4391580 A JP4391580 A JP 4391580A JP S56141016 A JPS56141016 A JP S56141016A
- Authority
- JP
- Japan
- Prior art keywords
- rotational frequency
- expansion chamber
- engine
- pistons
- exhaust pipes
- 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
- Characterised By The Charging Evacuation (AREA)
Abstract
PURPOSE: To increase the output by a method wherein an expansion chamber is formed by connecting the exhaust pipes of adjacent cylinders and pistons are provided within the expansion chamber to be moved in response to the rotational frequency of an engine in order to change the volume of exhaust pipes.
CONSTITUTION: The expansion chamber is formed within the exhaust pipes 6 and 7 of the adjacent cylinders and the connecting pipe 8 with a circular plate 13 which connects the cylinders. In the expansion chamber, the pistons 9 and 10 are provided to be moved by the output of a transducer 11 responding to the rotational frequency of the engine in order to change the volume of the exhaust pipes 6 and 7. The circular plate 13 is controlled to pivot to bring close the pistons 9 and 10 in the low rotational frequency region of the engine and to keep off the pistons 9 and 10 in the high rotational frequency region of the engine. As a result, the volume of exhaust system is increased at low rotational frequency and decreased at high rotational frequency, enabling to stably improve the output over the range from the low rotational frequency region to the high rotational frequency region.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4391580A JPS56141016A (en) | 1980-04-03 | 1980-04-03 | Variable device for exhaust gas expansion chamber of two cycle engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4391580A JPS56141016A (en) | 1980-04-03 | 1980-04-03 | Variable device for exhaust gas expansion chamber of two cycle engine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56141016A true JPS56141016A (en) | 1981-11-04 |
JPS6363725B2 JPS6363725B2 (en) | 1988-12-08 |
Family
ID=12677005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4391580A Granted JPS56141016A (en) | 1980-04-03 | 1980-04-03 | Variable device for exhaust gas expansion chamber of two cycle engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56141016A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3432047A1 (en) * | 1983-09-19 | 1985-04-11 | Suzuki Motor Co., Ltd., Kami, Shizuoka | TWO-STROKE MACHINE |
JPS60132025A (en) * | 1983-12-19 | 1985-07-13 | Kawasaki Heavy Ind Ltd | Exhaust device for two-cycle engine |
-
1980
- 1980-04-03 JP JP4391580A patent/JPS56141016A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3432047A1 (en) * | 1983-09-19 | 1985-04-11 | Suzuki Motor Co., Ltd., Kami, Shizuoka | TWO-STROKE MACHINE |
DE3432047C2 (en) * | 1983-09-19 | 1993-11-04 | Suzuki Motor Co | TWO-STROKE MACHINE |
JPS60132025A (en) * | 1983-12-19 | 1985-07-13 | Kawasaki Heavy Ind Ltd | Exhaust device for two-cycle engine |
Also Published As
Publication number | Publication date |
---|---|
JPS6363725B2 (en) | 1988-12-08 |
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