Piston internal combustion engine double-acting
The invention relates to mechanical engineering and can be used in the conversion mechanisms swinging movement into rotational. The technical result is to increase the efficiency of the engine. The invention consists in that the engine includes a work cylinder with Windows in its upper and lower parts of the walls, the piston divides the working cylinder on the motor and compression chamber and fixed to the rod passing through a tight hole in the lid compression chamber. According to the invention on the outside of the side wall of the cylinder is the saddle valve rotor in diametrically opposite edge and looking out the window of the working cylinder. And the spool, the rotor is made in the form of a gear wheel, crowned by side and closely adjacent to the saddle valve rotor in diametrically opposite edges are made through two Windows and two combustion chambers in the form of recesses. Moreover, the window and the camera are arranged circumferentially at intervals of a width less than the width of the Windows in the saddle valve rotor. 1 Il.
The invention relates to reciprocating internal combustion engines.
Investieren, separating the slave cylinder on the motor and compression chamber and fixed to the rod passing through a tight hole in the lid compression chamber (U.S. patent No. 5862781, IPC F 02 B 33/12, 1999).
The disadvantage of this two-stroke engine is the low quality of cleaning of the cylinder from the exhaust gases and filling it with fresh fuel mixture, the consequence of this is the low power density of the engine.
The problem to which the invention is directed, is to increase the specific power of the engine.
The technical result of the invention is the implementation of the four-stroke cycle gas exchange during one revolution of the crankshaft by combining cycles of expansion and contraction and ejection and suction.
The mentioned technical result is achieved in that the internal combustion engine double-acting (DWSD) contains the slave cylinder with Windows in the top and bottom of the cylinder walls, the piston divides the working cylinder on the motor and compression chamber and fixed to the rod passing through a tight hole in the lid compression chamber. Feature DWSD is that outside of the side wall of the cylinder is the saddle valve rotor in which n in the form of a gear wheel, in the crown which side tight to the saddle valve rotor in diametrically opposite edges are made through two Windows and two combustion chambers in the form of recesses, and the window and the camera are arranged circumferentially at intervals of a width less than the width of the window in the saddle spool rotor.
The drawing shows DWSD.
The engine includes a work cylinder 1 with Windows 2 and 3 in the upper and lower parts, the piston 4 mounted on the rod 5, the motor chamber 6 and the compression chamber 7, the saddle valve rotor 8, slide the rotor 9 through the Windows 10 and the combustion chambers 11.
The engine works as follows.
At the beginning of the movement of the piston 4 upward through the Windows 10 rotating spool rotor 9 open window 3 and 2. During almost the entire period of movement of the piston in the compression chamber 7 there is an intake of air, and in the propulsion chamber 6 is pushing out the exhaust gases, while in the short to box 2 in the direction of rotation of spool rotor 9 of the combustion chamber 11 is filled with compressed air, is injected and combustion, and in the other combustion chamber 11 is released to the atmosphere residual gases. When the piston 4 reaches the upper dead point of the window 2 Auda with combustion chambers 11, and during almost the entire period of movement of the piston 4 down in the motor chamber 6 expands and useful work of hot gases, and in the compression chamber 6 compression and expulsion of air in the other combustion chamber 11. After the piston 4 reaches the bottom dead point, the cycle repeats.
Piston internal combustion engine is double-acting, containing a working cylinder with Windows in the top and bottom of the cylinder walls, the piston divides the working cylinder on the motor and compression chamber and fixed to the rod passing through a tight hole in the lid compression chamber, characterized in that the outside of the side wall of the cylinder is the saddle valve rotor in diametrically opposite edge and looking out the window of the working cylinder, and the valve rotor is made in the form of a gear wheel, crowned by side and closely adjacent to the seat of slide valve rotor, in the diametrically opposite edges are made through two Windows and two combustion chambers in the form of recesses, and the window and the camera are arranged circumferentially at intervals of a width less than the width of the window in the saddle valve rotor.
FIELD: mechanical engineering; rotary internal combustion engines.
SUBSTANCE: proposed engine contains two variable-volume chambers and external combustion chamber. One variable-volume chamber provides intake and expansion, and the other, exhaust and delivery. Combustion chamber communicates with variable-volume chambers by means of delivery and bypass channels with valves. According to invention, combustion chamber is provided with free displacer installed for movement and made in form of pistons dividing combustion chambers into two parts operating in series. Each part communicates with variable-volume chambers through delivery and bypass channels, and one part of chamber is furnished with additional scavenge channel with valve.
EFFECT: simplified design, improved efficiency of internal combustion engine.
FIELD: mechanical engineering; internal combustion engines.
SUBSTANCE: invention relates to valve timing system of internal combustion engines. According to invention, rotary valve timing mechanism of engine consisting of cylinder block head installed on in line four cylinder engines with rotors consists of rotors with combustion chambers, turbine with angle drive and drive gears. Pistons in cylinders play part of air booster of fuel mixture feeder into combustion chamber where fuel is combusted at combusted volume, and exhaust flows of gases act onto blades of turbine from which power is taken.
EFFECT: improved efficiency of engine operation.
4 cl, 4 dwg
FIELD: transport and power engineering; engines.
SUBSTANCE: proposed multicylinder engine has pump and power cylinders interconnected by transfer chamber, with pistons moving synchronously and rigidly connected with rods on ends of which crossmember with two pins is arranged, with connecting rods fitted on pins and rotation opposite to each other, and two synchronizing gears. One more power cylinder operating on steam is added to pump and power cylinders. Steam is formed owing to water heating in heat exchanger arranged in transfer chamber and in exhaust space of power cylinder.
EFFECT: increased efficiency of engine and reduced overall dimensions of engine.
FIELD: mechanical engineering; engines.
SUBSTANCE: proposed piston engine consists of cylinder block with corresponding number of crank-and-piston groups operating to common crankshaft, timing gear, for instance, valve type, fuel system, lubrication, cooling and ignition systems, combustion chamber, system of gas lines, receiver, heat exchanger. Engine combustion chamber to which fuel-air mixture is delivered is brought outside cylinder block being common for all operating cylinders. Part of cylinders is used as delivery ones providing delivery of compressed air into combustion chamber, while other part of operating cylinders is used as expansion machine which is supplied with high-temperature gas delivery from combustion chamber through timing gear. All cylinders, delivery and operating ones, operate according to two stroke cycle. Air from delivery cylinders passes along channels of heat exchanger before getting into combustion chamber. Air is preliminarily heated in heat exchanger by exhaust gases flowing along other channels of the same heat exchangers after which exhaust gases are discharge into atmosphere.
EFFECT: increased thermal efficiency of engine, improved ecological characteristics, reduced specific fuel consumption and specific weight.
2 cl, 2 dwg
FIELD: mechanical engineering; two-stroke piston engines.
SUBSTANCE: proposed two-stroke piston engine with combustion chamber out of the limits of cylinder volume and connected with cylinder through system of valves has piston, cylinder, nozzle, cylinder head, turbocompressor with reservoir, combustion chamber out of the limits of cylinder and provided with prechamber and heat insulation, air outlet valve from reservoir of turbocompressor to cylinder, air inlet valve from cylinder to combustion chamber, gas inlet valve from combustion chamber into cylinder and exhaust gas valve. Invention provides increase of engine efficiency by heat up to 70% and by power, 1.6 times.
EFFECT: increased efficiency and power output.
SUBSTANCE: invention relates to the field of propulsion engineering. According to the invention, working medium is generated as a stationary high pressure gas flow by combustion in a fuel combustion chamber in the continuous flow of compressed air delivered by compressor. Further, energy of working medium is transferred to useful mechanical work - first, in the constant pressure cylinders, and then - in the expansion cylinders. Aerodynamic pressure of operating gas flow works in the constant pressure cylinders; further on the operating gas flow is delivered to the expansion cylinders, where it works due to thermodynamic expansion.
EFFECT: enhancing power and efficiency of internal-combustion engine at lower degree of compression or fuel consumption; reduction of maximal operating pressure; exclusion of impact change of pressure and temperature from work process.
2 cl, 16 dwg
FIELD: engines and pumps.
SUBSTANCE: invention relates to machine building, particularly to internal combustion engines. In compliance with the invention, the engine incorporates an integrated operating and compressing cylinders and a cutoff combustion chamber. The geometrical axis of peripheral compressing cylinder is shifted, relative to the operating cylinder axis, towards the combustion chamber. The engines pistons are linked to the common crankshaft to allow their asynchronous displacement, the said shaft driving a phase gas distributor arranged in the cylinder head. The said rotary phase gas distributor houses the cutoff combustion chamber, gas ducts and passageways. There is an inner piston translating inside the said cutoff combustion chamber to timely vary the compression rate till the fuel mix self-ignition. Air is fed into the engine through the one-way non-gear valve system.
EFFECT: heightened engine efficiency and improved ecological properties.
FIELD: engines and pumps.
SUBSTANCE: power plant includes piston internal combustion engine and its power supply system, engine of external heat supply, electric generator interacting with engine of external heat supply, and cooling system of internal combustion engine and engine of external heat supply, the heat exchangers of which interact with environment. Heat accumulator interacts with internal combustion engine for utilisation of non-used heat and with engine of external heat supply for supply of heat required for its operation. Electrolysis bath receives electric energy from electric generator and supplies generated hydrogen to the power supply system of internal combustion engine. Unit is connected to the power supply system of internal combustion engine and includes monitoring sensor of toxic level of waste gases, which is installed at the gas duct outlet of heat accumulator, and temperature sensors installed in heat exchange circuits of each magnetic-heat engine.
EFFECT: reducing toxicity level of waste gases and increasing the efficiency of the engine.
4 cl, 7 dwg
FIELD: engines and pumps.
SUBSTANCE: piston engine includes converter for conversion of energy of working medium to mechanical energy, fuel pump; at that, hydraulic pump is equipped with external combustion chamber which is located outside the converter, steam generator and compressor; at that, compressor is pneumatically connected to external combustion chamber which is connected through steam generator to converter, and fuel pump is hydraulically connected to external combustion chamber, and hydraulic pump is hydraulically connected to steam generator. External combustion chamber is arranged in steam generator, equipped with gas chamber separating combustion products from steam. At that, gas chamber has the volume which is more than twenty cyclic volumes of converter. Steam generator has the volume which is more than twenty cyclic volumes of converter. Air cooler is installed between compression steps of compressed air. Engine is equipped with external liquid cooling system which is hydraulically connected to hydraulic pump, heat insulating jacket and turbo-compressor. Turbo-compressor is pneumatically connected to converter and compressor, which are combined into one unit. Converter has oil case which is separated from compressor and equipped with outlet openings. Engine has one external combustion chamber per several converters. Supply of fuel, cooling liquid and working medium is controlled. Converter is made in the form of Kazantsev pneumatic engine, or in the form of Kazantsev adiabatic engine, or in the form of Diesel engine, or in the form of Wankel engine, or in the form of rotary engine, and in the form of Stirling engine. Compressor is piston-type or turbine-type or centrifugal.
EFFECT: invention provides improvement of engine power and efficiency, fuel economy, and the design is simplified.
25 cl, 5 dwg
FIELD: engines and pumps.
SUBSTANCE: in the engine the first pair of cylinders is interconnected through inlet controlled valves with air inlet path and through discharge automatic valves with bypass channel, and the second pair of cylinders is interconnected through inlet controlled valves with bypass channel and through outlet controlled valves with exhaust main line. In the near-valve area of bypass channel at each expansion cylinder there installed is injector and ignition plug, and injector is installed in the head of each expansion cylinder. According to the invention, the first pair of cylinders is also equipped with the channel connecting both cylinders and with controlled bypass valves installed at the joint of channel with each cylinder. Drive opens each of the controlled valves when pistons of the first group of cylinders are located at the following points: one at upper dead point, and the other one at lower dead point.
EFFECT: higher engine efficiency.
4 cl, 3 dwg