JPS5738638A - Four cycle internal combustion engine - Google Patents
Four cycle internal combustion engineInfo
- Publication number
- JPS5738638A JPS5738638A JP11037880A JP11037880A JPS5738638A JP S5738638 A JPS5738638 A JP S5738638A JP 11037880 A JP11037880 A JP 11037880A JP 11037880 A JP11037880 A JP 11037880A JP S5738638 A JPS5738638 A JP S5738638A
- Authority
- JP
- Japan
- Prior art keywords
- engine
- valve
- exhaust valve
- valves
- combustion engine
- 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 enable the compression and expansion works in a four cycle engine to act as an engine brake force by shifting operation timings of intake and exhaust valves to open one of the valves through the contraction in a compression stroke of the engine.
CONSTITUTION: When an engine brake of a four cycle engine is acted, an exhaust valve 9 is slightly opened due to the contraction in an compression stroke of the engine and next the exhaust valve 9 is closed to cause a negative pressure in the expansion stroke. At the termination of the expansion stroke a suction valve 3 or the exhaust valve 9 is opened for the first time to recover the negative pressure. Operation characteristics of the suction valve 3 and the exhaust valve 9 are respectively in comformity with a curve 10 and a curve 11. The valves are respectively operated through the rotation of cams 8, 16 and the opening position of each valve 3, 9 is controlled by said each cam 8, 16.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11037880A JPS5738638A (en) | 1980-08-13 | 1980-08-13 | Four cycle internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11037880A JPS5738638A (en) | 1980-08-13 | 1980-08-13 | Four cycle internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5738638A true JPS5738638A (en) | 1982-03-03 |
Family
ID=14534281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11037880A Pending JPS5738638A (en) | 1980-08-13 | 1980-08-13 | Four cycle internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5738638A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63272929A (en) * | 1987-04-30 | 1988-11-10 | Isuzu Motors Ltd | Exhaust brake device |
| JPS63272928A (en) * | 1987-04-30 | 1988-11-10 | Isuzu Motors Ltd | Engine brake device |
| JP2018145807A (en) * | 2017-03-01 | 2018-09-20 | 日野自動車株式会社 | Method and system for controlling engine with compressed pressure releasing type brake mechanism |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5119084A (en) * | 1974-08-07 | 1976-02-16 | Kaunatsusukii Horitefuniichesu | Kozohentai 1 moshikuha 2 nojechiruaminookishipuropiruserukoosujudotaito sonoseiho |
-
1980
- 1980-08-13 JP JP11037880A patent/JPS5738638A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5119084A (en) * | 1974-08-07 | 1976-02-16 | Kaunatsusukii Horitefuniichesu | Kozohentai 1 moshikuha 2 nojechiruaminookishipuropiruserukoosujudotaito sonoseiho |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63272929A (en) * | 1987-04-30 | 1988-11-10 | Isuzu Motors Ltd | Exhaust brake device |
| JPS63272928A (en) * | 1987-04-30 | 1988-11-10 | Isuzu Motors Ltd | Engine brake device |
| JP2018145807A (en) * | 2017-03-01 | 2018-09-20 | 日野自動車株式会社 | Method and system for controlling engine with compressed pressure releasing type brake mechanism |
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