GB372008A - Improvements in two stroke cycle engines - Google Patents
Improvements in two stroke cycle enginesInfo
- Publication number
- GB372008A GB372008A GB611531A GB611531A GB372008A GB 372008 A GB372008 A GB 372008A GB 611531 A GB611531 A GB 611531A GB 611531 A GB611531 A GB 611531A GB 372008 A GB372008 A GB 372008A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pump
- crank case
- valve
- piston
- air
- 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
- 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)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
372,008. Two-stroke engines. LœCK, A., 20, Ostkaistrasse, Hildesheim, Germany. Feb. 26, 1931, No. 6115. [Classes 7 (ii) and 7 (vi).] In engines wherein a pump a is placed by the side of the power cylinder b both pistons compressing a scavenging charge in the crank case, the pump piston g is driven off the main crank pin P4 through a link k, rocking lever i and connecting rod st. This driving gear is arranged so that both the pistons arrive at the ends of their downstrokes together to give maximum compression effect in the crank case ; the pump piston moves in advance of the power piston on its upstroke to deliver a charge to the power cylinder and allow the usual advance of ignition. There is some dwell in the movement of the pump piston at the top of its stroke. Air is admitted to the crank case by two admission ports o, w but mixture may be used in the crank case. For an oil engine air may be supplied by the upper side of the pump but as shown mixture is admitted from a carburetter first through the valve x, Fig. 2, and then through the terminal port p. The front side of the pump cylinder may be closed to form a separate pumping chamber for scavenging air. Valves.-The combined inlet and delivery valve for the pump consists of two coaxial beat valves l, x, the outer valve l acting as the delivery valve from the pump.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB611531A GB372008A (en) | 1931-02-26 | 1931-02-26 | Improvements in two stroke cycle engines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB611531A GB372008A (en) | 1931-02-26 | 1931-02-26 | Improvements in two stroke cycle engines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB372008A true GB372008A (en) | 1932-05-05 |
Family
ID=9808649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB611531A Expired GB372008A (en) | 1931-02-26 | 1931-02-26 | Improvements in two stroke cycle engines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB372008A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2689574A (en) * | 1950-07-11 | 1954-09-21 | Molins Machine Co Ltd | Manufacture of cigarettes |
-
1931
- 1931-02-26 GB GB611531A patent/GB372008A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2689574A (en) * | 1950-07-11 | 1954-09-21 | Molins Machine Co Ltd | Manufacture of cigarettes |
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