GB748976A - Arrangement in two-stroke cycle internal combustion engines with piston-controlled exhaust ports - Google Patents
Arrangement in two-stroke cycle internal combustion engines with piston-controlled exhaust portsInfo
- Publication number
- GB748976A GB748976A GB31255/53A GB3125553A GB748976A GB 748976 A GB748976 A GB 748976A GB 31255/53 A GB31255/53 A GB 31255/53A GB 3125553 A GB3125553 A GB 3125553A GB 748976 A GB748976 A GB 748976A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ports
- exhaust
- outlet pipe
- piston
- shaped
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
748,976. Construction and cooling of cylinders. AKTIESELSKABET BURMEISTER & WAIN'S MASKIN-OG SKIBSBYGGERI. Nov. 11, 1953 [Nov. 12, 1952], No. 31255/53. Class 7(2) In a two-stroke engine having piston-controlled exhaust ports 3 leading to an exhaust belt 6 connected to an outlet pipe 9, a separate guide ring 4 is mounted around the cylinder inside the exhaust belt and provided with ports 5 forming extensions of the cylinder ports 3, said extensions being so directed as to deflect the flow of exhaust gases towards the outlet pipe, 9. The cross-section of the ports 5 preferably decreases towards their outer ends and their height may increase towards the outer ends thereof whilst the width simultaneously decreases. The total cross-sectional area of the ports 5 is preferably approximately equal to the cross-section of the outlet pipe 9 which may supply the exhaust gases to an exhaust turbine. Plate-shaped, rod-shaped, or aerofoil-shaped insertions 10, 11, 12, may be placed in the ports 5. The exhaust belt 6 is surrounded by a cooling water jacket 7 and the guide ring 4 may be provided with detachable vanes forming the side walls of the ports 5. In Fig. 3 the cylinder exhaust ports are divided into two ports 3a, 3b, the ports in the ring 4 being similarly divided into upper and lower ports 5a, 5b.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK748976X | 1952-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB748976A true GB748976A (en) | 1956-05-16 |
Family
ID=8152611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB31255/53A Expired GB748976A (en) | 1952-11-12 | 1953-11-11 | Arrangement in two-stroke cycle internal combustion engines with piston-controlled exhaust ports |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB748976A (en) |
-
1953
- 1953-11-11 GB GB31255/53A patent/GB748976A/en not_active Expired
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