GB750493A - Improvements in or relating to internal combustion engines - Google Patents
Improvements in or relating to internal combustion enginesInfo
- Publication number
- GB750493A GB750493A GB2903/52A GB290352A GB750493A GB 750493 A GB750493 A GB 750493A GB 2903/52 A GB2903/52 A GB 2903/52A GB 290352 A GB290352 A GB 290352A GB 750493 A GB750493 A GB 750493A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piston
- burner
- fuel
- engine
- 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
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
750,493. Two-stroke engines; fuel injectors; regulating. NESTOROVIC, M. N. Feb. 4, 1952 [July 16, 1951], No. 2903/52. Classes 7(2), 7(3) and 7(6) The working cylinder (or cylinders) 55, has practically no clearance between the piston and cylinder head at top dead centre, fuel under pressure and high-pressure air from a compresor being fed into the cylinder during a portion of the piston stroke. The fuel is burnt at substantially constant pressure and temperature. In the figures, a four-stroke engine has working cylinders 55, 56 and compressor cylinders 50, 51, which supply a manifold 70, which may have a heating coil 58, supplied with exhaust gases from the engine. Inlet valves 53 are controlled so that, at reduced loads on the engine or compressor, they remain open during the beginning of the compression stroke. This control is effected by axial movement of a camshaft 54 through linkage 69 acted on by a piston 68 under pressure of the air in the manifold 70. The opening of the exhaust valves 57 may also be varied. Sleeve valves may be used. The cylinders 50, 51 are preferably cooled, and may compress the air in series. In addition to a sparking plug 88, in each engine cylinder head, there is a burner 59 supplying combustion gases (see Fig. 2). The burner contains an injection valve 74 provided with helicoidal ribs 75 on an outer conical face. Around the valve 74 is a piston 76 with a conical front portion so that, under the action of a coil spring 77, the piston regulates, and can close, the conical space in the body of the burner 73, except for a small clearance. Air under pressure, from the manifold 70, enters through a passage 78, and fuel through an inlet 81 leading to a duct 82 and a groove 83 behind the cone of a needle valve 79. The position of the latter is controlled through linkage acted upon by the cam shaft 60. The helicoidal grooves cause turbulent entry of the fuel, in a direction opposite to the swirl of the air flow. Fuel leaking past a labyrinth 85 passes through a drain 86. A compressed air bottle 72, charged from the compressor may be used for starting up the engine, by opening a cock 87, which admits compressed air to the burner. Then the cam shaft 60 is moved axially, to bring a cam follower 61 on to the widest section of the cam 60 and actuate the burner piston 76, and needle valve 79 through linkage 61...65. The sparking plug 88 is only used for starting- up purposes, but the burner flame is on continuously, but is varied in intensity. A centrifugal governer 67 is connected, through a bell-crank lever 66, with the linkage 61...65. The Specification states that a hydraulic or electrical control system may replace the mechanical linkage described. Safety valves 71 open under excessive cylinder pressure.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
YU750493X | 1951-07-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB750493A true GB750493A (en) | 1956-06-20 |
Family
ID=25559909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2903/52A Expired GB750493A (en) | 1951-07-16 | 1952-02-04 | Improvements in or relating to internal combustion engines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB750493A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2136875A (en) * | 1983-03-21 | 1984-09-26 | Grow Harlow B | Two stroke internal combustion heat engine and transfer cycle therefor |
EP1170481A3 (en) * | 2000-07-06 | 2003-03-26 | Ford Global Technologies, Inc. | Internal combustion engine having enhanced performance |
-
1952
- 1952-02-04 GB GB2903/52A patent/GB750493A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2136875A (en) * | 1983-03-21 | 1984-09-26 | Grow Harlow B | Two stroke internal combustion heat engine and transfer cycle therefor |
FR2561710A1 (en) * | 1983-03-21 | 1985-09-27 | Grow Harlow | Twostroke internal combustion engine and its cycle |
EP1170481A3 (en) * | 2000-07-06 | 2003-03-26 | Ford Global Technologies, Inc. | Internal combustion engine having enhanced performance |
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