JPS55107030A - Engine of variable compression ratio - Google Patents
Engine of variable compression ratioInfo
- Publication number
- JPS55107030A JPS55107030A JP1222279A JP1222279A JPS55107030A JP S55107030 A JPS55107030 A JP S55107030A JP 1222279 A JP1222279 A JP 1222279A JP 1222279 A JP1222279 A JP 1222279A JP S55107030 A JPS55107030 A JP S55107030A
- Authority
- JP
- Japan
- Prior art keywords
- engine
- plunger
- compression ratio
- bimetal
- combustion chamber
- 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
Abstract
PURPOSE: To improve the characteristics of friction loss, maximum explosion pressure, durability, noise, NOx, etc., by providing a plunger which is controlled by a thermosensitive element to go into or out of a combustion chamber to reduce the compression ratio of an engine depending on the temperature rise of the engine.
CONSTITUTION: A holder 7 is secured on a cylinder head 4 so that an enclosed chamber 6 which communicates with a combustion chamber 1 through a connection hole 5 is defined. The tip of a plunger 8 slidably fitted in the connection hole 5 is protruded into the combustion chamber 1. A bimetal 9 is mounted in the enclosed chamber 6. The butt of the plunger 8 is secured on the bimetal 9. The bimetal is caused to repond to the temperature of cooling water flowing through a water jacket 10. The plunger 8 is moved into the enclosed chamber 6 with the rise in the temperature of an engine to reduce its compression ratio.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1222279A JPS55107030A (en) | 1979-02-07 | 1979-02-07 | Engine of variable compression ratio |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1222279A JPS55107030A (en) | 1979-02-07 | 1979-02-07 | Engine of variable compression ratio |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55107030A true JPS55107030A (en) | 1980-08-16 |
Family
ID=11799344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1222279A Pending JPS55107030A (en) | 1979-02-07 | 1979-02-07 | Engine of variable compression ratio |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55107030A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5910755A (en) * | 1982-07-07 | 1984-01-20 | Daihatsu Motor Co Ltd | Variable compression ratio internal-combustion engine |
JPS63131838A (en) * | 1986-11-21 | 1988-06-03 | Toyota Motor Corp | Control method for engine with compression ratio changing mechanism |
KR100489117B1 (en) * | 2001-11-12 | 2005-05-17 | 현대자동차주식회사 | Oil supplied to cylinder head controling device |
-
1979
- 1979-02-07 JP JP1222279A patent/JPS55107030A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5910755A (en) * | 1982-07-07 | 1984-01-20 | Daihatsu Motor Co Ltd | Variable compression ratio internal-combustion engine |
JPH0116976B2 (en) * | 1982-07-07 | 1989-03-28 | Daihatsu Motor Co Ltd | |
JPS63131838A (en) * | 1986-11-21 | 1988-06-03 | Toyota Motor Corp | Control method for engine with compression ratio changing mechanism |
KR100489117B1 (en) * | 2001-11-12 | 2005-05-17 | 현대자동차주식회사 | Oil supplied to cylinder head controling device |
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