US1304443A - Berton - Google Patents
Berton Download PDFInfo
- Publication number
- US1304443A US1304443A US1304443DA US1304443A US 1304443 A US1304443 A US 1304443A US 1304443D A US1304443D A US 1304443DA US 1304443 A US1304443 A US 1304443A
- Authority
- US
- United States
- Prior art keywords
- air
- cylinder
- ports
- exhaust
- diagonally
- 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 - Lifetime
Links
- 238000002485 combustion reaction Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 230000002000 scavenging effect Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Images
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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/36—Valve-gear or valve arrangements, e.g. lift-valve gear peculiar to machines or engines of specific type other than four-stroke cycle
- F01L1/38—Valve-gear or valve arrangements, e.g. lift-valve gear peculiar to machines or engines of specific type other than four-stroke cycle for engines with other than four-stroke cycle, e.g. with two-stroke cycle
-
- 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
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
Definitions
- This invention relates to the scavenging of internal combustion. engines of the twostroke type and has for its chief ob ect to provide means by which the products of combustion can be displaced by the entering air and driven through the exhaust ports in front of the air without substantial admixture.
- the air and exhaust ports are placed at the same side of the cylinder and the air ports are so formed and disposed as to direct the incoming air diagonally to the opposite upper corner of the cylinder, the exhaust gases being displaced diagonally from this corner in a reverse direction toward the exhaust.
- a complete sweeping out of the products of combustion is effected by this means,"with only a small loss of air, since as soon as the stream of incoming air reaches the corner of the cylinder the displacement of the gases'proceeds from a point at maximum distance from the exhaust ports and the air drives the gases before it in a diagonal direction until the air fills the cylinder space.
- the air ports are placed above the exhaust ports and may be of considerably smaller cross section, the air channels being of substantial length so as to give the necessary direction to the streams of air as they enter the cylinder.
- Figs. 2 and 3 are sectional planstaken respectively through the air inlet and the exhaust ports of the cylinder.
- A is the cylinder with cover a.
- B is the piston.
- C are the air inlet ports.
- D is the air inlet valve in the valve casingd- E, E are the exhaust p0rts in the exhaust casing e situated immediately below the valve casing d.
- the clearance space in the valve casing between the valve D and cylinder should be as small as possible consistent with the free passage of the entering air, as the inlet "ports are uncovered by the piston while the side of the cylinder whilethe air ports are made'narrower, but th'e proportions of the various ports and the relative positions may be varied according to the requirements of the engine.
- Means for scavenging the cylinder of a two-stroke internal combustion engine comprising air admission and exhaust ports placed at the same side of the cylinder, the said air admission ports being. so formed and disposed as to direct the incoming air diagonally to the opposite upper corner of the cylinder and to displace the exhaust gases diagonally from this corner in a reverse direction toward the exhaust, for the purpose specified.
- a cylinder In a two stroke internal combustion engine, a cylinder, exhaustports in the cylinder walls at one side and air inlet ports placedabove the said exhaust ports at the same side of the cylinder and inclined n1 wardly so as to direct the incoming air diagonally to the upper opposite corner of the cylinder, and to" displace the exhaust gases diagonally from this corner in a reverse direction toward the exhaust, for the 10 purpose specified.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
F. BELYAVIN AND 0. e. ROBERTON.
SCAVENGING OF INTERNAL COMBUSTIONENGINES.
APPLICATION FILED Aue.s, I917.
Patented May 205 1919 UNITED STATES PATENT OFFICE,
PAUL BELYAVIN,
OF PETROGRAD, RUSSIA, AND CHARLES GEORGE ROBERTON, OF
BARROW-IN-FURNESS, ENGLAND. v
SCAVENGING OF INTERNAL-COMBUSTION ENGINES.
To all whom it may concern:
Be it known that we, PAUL BELYAVIN, a Russian-citizen, and CHARLES GEORGE Ro- BERTON, a subject of the King of Great Britain, residing, respectively, at 57 Officerskaya street, Petrograd, Russia, and Naval Construction Works, Barrow-in-Furness, 1n the county of Lancaster, England, have 1n vented certain new and useful Improvements in or Relating to the scavenging of Internal-Combustion Engines,'of which the following is a specification.
This invention relates to the scavenging of internal combustion. engines of the twostroke type and has for its chief ob ect to provide means by which the products of combustion can be displaced by the entering air and driven through the exhaust ports in front of the air without substantial admixture.
According to this invention the air and exhaust ports are placed at the same side of the cylinder and the air ports are so formed and disposed as to direct the incoming air diagonally to the opposite upper corner of the cylinder, the exhaust gases being displaced diagonally from this corner in a reverse direction toward the exhaust. A complete sweeping out of the products of combustion is effected by this means,"with only a small loss of air, since as soon as the stream of incoming air reaches the corner of the cylinder the displacement of the gases'proceeds from a point at maximum distance from the exhaust ports and the air drives the gases before it in a diagonal direction until the air fills the cylinder space. In the construction preferred the air ports are placed above the exhaust ports and may be of considerably smaller cross section, the air channels being of substantial length so as to give the necessary direction to the streams of air as they enter the cylinder. y
In order that the said invention may be clearly understood, and readily carried into efi'ect, the same will now be described more fully with reference to the accompanying drawings, in which Figure 1 is a vertical section of an engine cylinder illustrating the present method of scavenging; and
Figs. 2 and 3 are sectional planstaken respectively through the air inlet and the exhaust ports of the cylinder.
Specification of Letters Patent. Patented May 20, 1919. Application filed August 8, 1917. Serial No. 185,221. I
- A is the cylinder with cover a. B is the piston. C, C are the air inlet ports. D is the air inlet valve in the valve casingd- E, E are the exhaust p0rts in the exhaust casing e situated immediately below the valve casing d.
As shown in Fig. 2 three air inlet ports C are employed, the two outer ports being curved round so that the three entering streams of air are directed toward the same point a: at the opposite corner of the cylinder immediately inside the cover a; The number of ports 0 employed would depend upon the size of cylinder. The air channels are of substantial length and are all directed upwardly as shown in Fig. l, and when the inlet valve D is opened, shortly after the piston B begins to uncover the exhaust ports E, the air from the main 03' assing into the sloping air channels is directed upwardly and across the cylinder as shown by the arrows, driving the exhaust gases on each side of the entering streams diagonally toward the ports E in a steady flow. The air valve is arranged to close as soon as the cylinder space is filled with the air, only a small part of the exhaust gases remaining in mix ture with the air.
.The clearance space in the valve casing between the valve D and cylinder should be as small as possible consistent with the free passage of the entering air, as the inlet "ports are uncovered by the piston while the side of the cylinder whilethe air ports are made'narrower, but th'e proportions of the various ports and the relative positions may be varied according to the requirements of the engine.
That we claim' and desire to secure by Letters Patent of the United States is 1. Means for scavenging the cylinder of a two-stroke internal combustion engine, comprising air admission and exhaust ports placed at the same side of the cylinder, the said air admission ports being. so formed and disposed as to direct the incoming air diagonally to the opposite upper corner of the cylinder and to displace the exhaust gases diagonally from this corner in a reverse direction toward the exhaust, for the purpose specified.
2. In a two stroke internal combustion engine, a cylinder, exhaustports in the cylinder walls at one side and air inlet ports placedabove the said exhaust ports at the same side of the cylinder and inclined n1 wardly so as to direct the incoming air diagonally to the upper opposite corner of the cylinder, and to" displace the exhaust gases diagonally from this corner in a reverse direction toward the exhaust, for the 10 purpose specified.
8. In a two stroke internal combustion enweenie gine, a cylinder, exhaust ports at one side of the cylinder, an air inlet easing above the said exhaust ports and at the same side of the cylinder, an air admission valve in the said casing and. upwardly directed air inlet ports leading from the casing into the cylinder, for the'purpose specified.
In testimony whereof we afiix our signatures.
PAUL BELYAVIN. CHARLES GEORGE ROBERTQN.
Publications (1)
Publication Number | Publication Date |
---|---|
US1304443A true US1304443A (en) | 1919-05-20 |
Family
ID=3371974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US1304443D Expired - Lifetime US1304443A (en) | Berton |
Country Status (1)
Country | Link |
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US (1) | US1304443A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2440726A (en) * | 1945-10-15 | 1948-05-04 | Karl K Probst | Internal-combustion engine |
DE2319662A1 (en) * | 1973-04-18 | 1974-11-14 | Zuendapp Werke Gmbh | TWO-STROKE COMBUSTION ENGINE |
US4191141A (en) * | 1977-03-17 | 1980-03-04 | Walter Franke | Two-stroke engine with auxiliary fluid means |
-
0
- US US1304443D patent/US1304443A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2440726A (en) * | 1945-10-15 | 1948-05-04 | Karl K Probst | Internal-combustion engine |
DE2319662A1 (en) * | 1973-04-18 | 1974-11-14 | Zuendapp Werke Gmbh | TWO-STROKE COMBUSTION ENGINE |
US4191141A (en) * | 1977-03-17 | 1980-03-04 | Walter Franke | Two-stroke engine with auxiliary fluid means |
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