GB536580A - Improvements in internal combustion engines - Google Patents
Improvements in internal combustion enginesInfo
- Publication number
- GB536580A GB536580A GB2556039A GB2556039A GB536580A GB 536580 A GB536580 A GB 536580A GB 2556039 A GB2556039 A GB 2556039A GB 2556039 A GB2556039 A GB 2556039A GB 536580 A GB536580 A GB 536580A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cylinder
- chamber
- passages
- block
- inlet
- 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
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
- F02B75/222—Multi-cylinder engines with cylinders in V, fan, or star arrangement with cylinders in star arrangement
-
- 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
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
536,580. Two-stroke-cycle radial-cylinder engines. HVID, R. M. Sept. 11, 1939, No. 25560. [Class 7 (ii)] In a compression-ignition or other engine, a cylindrical block 12 is formed with a number of radial cylinder bores 14, 15 and with an axially extending central chamber 19 forming a common compression space spaced inwardly from the cylinder bores and connected to them by open continuations 18 of these bores. The cylinder walls are intersected by annularly arranged axial passageways extending inwardly from an end of the block, where some of them are connected to an inlet chamber 29 and the others to an exhaust chamber 31. The intersection of the axial passageways with the cylinder walls. forms ports which extend around the cylinders and are interrupted only by narrow bridging members 41, 54. As shown, the central chamber 19 is formed in a cylindrical member 17 having a force fit in the cylinder block and having tapered apertures 18 forming the continuations of the cylinder bores, which are formed in two axially-spaced groups of six radial bores. An air-intake manifold 28 on the lower part of the cylinder block is fed from a blower and is connected by the inlet chamber 29 and passages 36, 37, Fig. 3, to the piston-controlled inlet ports 38 on the three lower cylinders. An exhaust manifold 30 on the upper part of the cylinder block is connected by the exhaust chamber 31 and passages 47 ... 50 to the piston-controlled exhaust ports 52 on the three upper cylinders. The bridging members 41 on the inlet ports are curved to avoid interference with the entering air, and two of them are connected to form a passage for cooling water. The bridging members 54 on the exhaust ports are formed as hollow lugs for the passage of cooling water. The water jackets comprise passages 105-107 connected by passages between the apertures 18 and connected by passages 108-110 to water spaces 100, 101, 103 and to passages 96, 97 in the member 11. A plug 22 is adjustable to vary the clearance provided by the chamber 19 and may be reduced in diameter at 22a to form a "hot spot," and a fuel-injection device 24 is fitted in the other end of the chamber 19. Each engine piston 20 is provided with a reduced portion 21 conforming to the shape of the aperture 18, and is connected to a crankshaft 65 provided with spiral gears 67, 68 engaging internal gear teeth in annular flywheel members 74, 75 secured together by bolts 76. The member 74 is formed externally with slots engaged by teeth 85 on a cup-shaped member 84 integral with a main shaft 82; and the assembly is enclosed by cast members 10, 11 bolted together, the cylinder block 12 being secured to the member 11 by bolts 13, 13a. The crankshafts 65 are carried by a ring 60 provided with rollers running on steel rings 79 ... 81 in the annular flywheel. In a modification, Fig. 10, a pair of cylinder blocks 115, 116 are arranged in axial alignment and have their pistons connected to a single main shaft 120, the power strokes of the pistons in the second block being displaced 180 degrees from those of the pistons in the first block to give twice the number of power impulses. Axially extending inlet passageways are connected to a single inlet manifold 117 and a single exhaust manifold 118 and the crankshaft gears are arranged to mesh with a common flywheel 119 made in annular sections to facilitate assembly. The compression chambers in the blocks 115, 116 are separate and are provided with fuel injector valves 122, 123 operating alternately.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2556039A GB536580A (en) | 1939-09-11 | 1939-09-11 | Improvements in internal combustion engines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2556039A GB536580A (en) | 1939-09-11 | 1939-09-11 | Improvements in internal combustion engines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB536580A true GB536580A (en) | 1941-05-20 |
Family
ID=10229658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2556039A Expired GB536580A (en) | 1939-09-11 | 1939-09-11 | Improvements in internal combustion engines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB536580A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2280221A (en) * | 1993-07-19 | 1995-01-25 | Wci Outdoor Products Inc | Uniflow scavenged two-stroke portable tool engine |
US20170328277A1 (en) * | 2016-05-16 | 2017-11-16 | Frank J. Ardezzone | Modular Internal Combustion Engine with Adaptable Piston Stroke |
-
1939
- 1939-09-11 GB GB2556039A patent/GB536580A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2280221A (en) * | 1993-07-19 | 1995-01-25 | Wci Outdoor Products Inc | Uniflow scavenged two-stroke portable tool engine |
GB2280221B (en) * | 1993-07-19 | 1997-09-03 | Wci Outdoor Products Inc | Two-cycle air-cooled uniflow gasolene engine for powering a portable tool |
US20170328277A1 (en) * | 2016-05-16 | 2017-11-16 | Frank J. Ardezzone | Modular Internal Combustion Engine with Adaptable Piston Stroke |
US11028771B2 (en) * | 2016-05-16 | 2021-06-08 | Frank J. Ardezzone | Modular internal combustion engine with adaptable piston stroke |
US11725576B2 (en) | 2016-05-16 | 2023-08-15 | Frank J. Ardezzone | Internal combustion engine with adaptable piston stroke |
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