GB890512A - Improvements in or relating to internal combustion engines - Google Patents
Improvements in or relating to internal combustion enginesInfo
- Publication number
- GB890512A GB890512A GB31228/58A GB3122858A GB890512A GB 890512 A GB890512 A GB 890512A GB 31228/58 A GB31228/58 A GB 31228/58A GB 3122858 A GB3122858 A GB 3122858A GB 890512 A GB890512 A GB 890512A
- Authority
- GB
- United Kingdom
- Prior art keywords
- crank
- shaft
- stroke
- rocker
- engine
- 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
- F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
- F02B75/048—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of a variable crank stroke length
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
890,512. Two-stroke and four-stroke engines; driving-gear; spray carburetters; starting. GARCIA DE LA PARA, G.J.M.G. Sept. 30, 1958 [Oct. 1, 1957], No. 31228/58. Classes 7(2), 7(3) and 7(5). To give two crank-shaft revolutions for every complete piston reciprocation, connecting rods 21, 7, Fig. 1, on the working piston 20 and crank-shaft 8 are interconnected by a fixedly fulcrumed rocker 24 which swings to either side of the line connecting the rocker and crank-shaft axes. The firing (and, in the four-stroke engine shown, induction) strokes thus take more than a crank-shaft revolution and so are longer in duration than the compression (and exhaust) strokes. To assist the rocker 24 to leave the dead centre A in the correct direction on starting, it is acted on through buffer springs (not shown) by an arm 29 connected via a link 25 to a crank disc 26 driven at twice crank-shaft speed from a camshaft 28; alternatively or additionally a free or resiliently loaded eccentric pin connection may be used between the rocker 24 and the rod 21 or 7. Instead of the arm 29 the link 25 or disc 26 may have spring means, or friction means may be used. In a two-cylinder four-stroke engine, the rods 21, Fig. 14, may be connected as shown. Fig. 15 shows a twostroke engine having a pump piston 10 supplying air to two working cylinders one only of which is shown; a carburetter preceded by a one-way valve may be incorporated in the transfer passage 57. In Fig. 17 (not shown) opposed pistons of a two-stroke fuel-injection engine are connected in the manner of the invention to individual crank-shafts which are intergeared.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR890512X | 1957-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB890512A true GB890512A (en) | 1962-02-28 |
Family
ID=9380847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB31228/58A Expired GB890512A (en) | 1957-10-01 | 1958-09-30 | Improvements in or relating to internal combustion engines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB890512A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2510187A1 (en) * | 1981-07-23 | 1983-01-28 | Andre Levillain | Reciprocating piston IC engine - has pistons connected to crankshaft by offset articulated linkage |
| WO2015058856A1 (en) * | 2013-10-25 | 2015-04-30 | Audi Ag | Motor vehicle and method for assembling a motor vehicle |
| CN110799739A (en) * | 2017-04-10 | 2020-02-14 | 伊威斯发动机系统有限责任两合公司 | Length-adjustable connecting rod having a cylinder-piston unit with an anti-rotation part |
| RU2800201C1 (en) * | 2023-03-06 | 2023-07-19 | Геннадий Витальевич Кореневский | Two-stroke piston internal combustion engine |
-
1958
- 1958-09-30 GB GB31228/58A patent/GB890512A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2510187A1 (en) * | 1981-07-23 | 1983-01-28 | Andre Levillain | Reciprocating piston IC engine - has pistons connected to crankshaft by offset articulated linkage |
| WO2015058856A1 (en) * | 2013-10-25 | 2015-04-30 | Audi Ag | Motor vehicle and method for assembling a motor vehicle |
| CN110799739A (en) * | 2017-04-10 | 2020-02-14 | 伊威斯发动机系统有限责任两合公司 | Length-adjustable connecting rod having a cylinder-piston unit with an anti-rotation part |
| CN110799739B (en) * | 2017-04-10 | 2021-08-31 | 伊威斯发动机系统有限责任两合公司 | Length-adjustable connecting rod having a cylinder-piston unit with an anti-rotation part |
| RU2800201C1 (en) * | 2023-03-06 | 2023-07-19 | Геннадий Витальевич Кореневский | Two-stroke piston internal combustion engine |
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