GB524955A - Improvements in or relating to the scavenging of engine cylinders in two-stroke internal-combustion engines - Google Patents
Improvements in or relating to the scavenging of engine cylinders in two-stroke internal-combustion enginesInfo
- Publication number
- GB524955A GB524955A GB4489/39A GB448939A GB524955A GB 524955 A GB524955 A GB 524955A GB 4489/39 A GB4489/39 A GB 4489/39A GB 448939 A GB448939 A GB 448939A GB 524955 A GB524955 A GB 524955A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cylinder
- valves
- charge
- stroke
- 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.)
- Expired
Links
- 238000002485 combustion reaction Methods 0.000 title abstract 2
- 230000002000 scavenging effect Effects 0.000 title abstract 2
- 229910000737 Duralumin Inorganic materials 0.000 abstract 1
- 239000000498 cooling water Substances 0.000 abstract 1
- 239000000446 fuel Substances 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
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
- F02B2720/00—Engines with liquid fuel
- F02B2720/13—Two stroke engines with ignition device
- F02B2720/131—Two stroke engines with ignition device with measures for removing exhaust gases from the cylinder
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
524,955. Cylinders and valves of two-stroke engines. AKTIEBOLAGET SVENSKA KULLAGERFABRIKEN. Feb. 10, 1939, No. 4489. Convention date, Feb. 24, 1938. [Classes 7 (ii), 7 (iii) and 7 (vi)] In a two-stroke engine cylinder having uniflow scavenging, suction-actuated admission valves 3, which are supplied through an annular chamber 30, are arranged around a combustion chamber 11 which is wider than the bore so that the charge is deflected by the walls 12 towards the cylinder axis. These walls may be conical, as shown, curved, or cylindrical; in the last-mentioned arrangement the deflection is effected by the face of the cylinder block. Recesses 14 may be provided for mounting the valves, which may be made of a light material, such as "Duralumin" (Registered Trade Mark) ; they are actuated against light springs 4, stops 20 being provided. Compressed charge is admitted by a tangential passage 6 so as to whirl round the chamber 30. After the engine has started, this supply may be cut off and charge induced through a further passage 24 by outflow of exhaust through ports 9, the height of which may be less than 10 per cent. of the piston stroke. A sparking plug 7 or a liquid fuel injection device is mounted in a cavity 10 which may be removable. Two annular chambers 16, 17 are connected with the cooling-water circuit by passages 18, 19 located on opposite sides of the cylinder.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE524955X | 1938-02-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB524955A true GB524955A (en) | 1940-08-19 |
Family
ID=20311243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4489/39A Expired GB524955A (en) | 1938-02-24 | 1939-02-10 | Improvements in or relating to the scavenging of engine cylinders in two-stroke internal-combustion engines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB524955A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160090938A1 (en) * | 2014-09-26 | 2016-03-31 | Caterpillar Inc. | Internal Combustion Engine Cylinder Flow Deflector |
-
1939
- 1939-02-10 GB GB4489/39A patent/GB524955A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160090938A1 (en) * | 2014-09-26 | 2016-03-31 | Caterpillar Inc. | Internal Combustion Engine Cylinder Flow Deflector |
US9638131B2 (en) * | 2014-09-26 | 2017-05-02 | Caterpillar Inc. | Internal combustion engine cylinder flow deflector |
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