GB640505A - Improvements in or relating to two-stroke cycle internal combustion engines - Google Patents
Improvements in or relating to two-stroke cycle internal combustion enginesInfo
- Publication number
- GB640505A GB640505A GB21561/46A GB2156146A GB640505A GB 640505 A GB640505 A GB 640505A GB 21561/46 A GB21561/46 A GB 21561/46A GB 2156146 A GB2156146 A GB 2156146A GB 640505 A GB640505 A GB 640505A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cylinder
- high pressure
- exhaust
- pressure exhaust
- passage
- 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.)
- Expired
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
- F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
-
- 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
- F02B2700/00—Measures relating to the combustion process without indication of the kind of fuel or with more than one fuel
- F02B2700/03—Two stroke engines
- F02B2700/031—Two stroke engines with measures for removing exhaust gases from the cylinder
- F02B2700/032—Two stroke engines with measures for removing exhaust gases from the cylinder by means of the exhaust gases
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
640,505. Two-stroke engines. RIISE, S.S. July 18, 1946, No. 21561. Convention date, June 23, 1945. [Classes 7(ii) and 7(vi)] In a two-stroke engine exhaust from the cylinder takes place in two stages, high pressure exhaust first passing to atmosphere through non-return means either directly or through a turbine, and low pressure exhaust subsequently passing to a receiver having a capacity 1.5 that of the cylinder and subject to the continuous suction of a pump driven by an exhaustactuated turbine, the engine crank-shaft or a separate source of power. Charge is thus drawn into the cylinder, the arrangement being such that the amount of charge flowing into the cylinder causes the pressure therein to rise to at least atmospheric pressure. As shown, high pressure exhaust passes through a passage 8 from a cylinder 5 when the exhaust valve 6 is lifted and subsequently a sleeve valve 7 attached to the valve uncovers a low pressure passage 9. Alternatively passages below the piston crown register with ports in the cylinder walls. The high pressure exhaust passage is dimensioned so that its resistance prevents air from escaping during the compression stroke. The Specification as open to inspection under Sect. 91 comprises also an ejector through which the high pressure exhaust passes to produce suction in the receiver. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK640505X | 1945-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB640505A true GB640505A (en) | 1950-07-19 |
Family
ID=8151939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB21561/46A Expired GB640505A (en) | 1945-07-23 | 1946-07-18 | Improvements in or relating to two-stroke cycle internal combustion engines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB640505A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996227A (en) * | 2011-11-19 | 2013-03-27 | 摩尔动力(北京)技术股份有限公司 | Split exhaust two-stroke engine |
-
1946
- 1946-07-18 GB GB21561/46A patent/GB640505A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996227A (en) * | 2011-11-19 | 2013-03-27 | 摩尔动力(北京)技术股份有限公司 | Split exhaust two-stroke engine |
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