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The actuator for the engine with external heat supply |
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IPC classes for russian patent The actuator for the engine with external heat supply (RU 2035607):
The stirling engine / 2007605
The invention relates to the field of engineering, namely the engine, and can be used in the design of engines with external heat supply
External heating engine / 2332582
Invention relates to power plants and volume expansion engines, particularly to those running by expanding and compressing a working volume of gas heated and cooled in one or several continuously communicating chambers, e.g. operating on the Stirling engine principle. The external heating engine incorporates a hot set and cold set crankshafts, a set of hot cylinders with pistons and a hot con-rod set coupled, on one side, with hot pistons and, on the other side, with the hot set crankshaft, a set of cold cylinders with pistons and a cold con-rod set coupled, on one side, with cold pistons and, on the other side, with the cold set crankshaft. The engine also comprises a set of pipes connecting in pairs the hot and cold cylinders and incorporating a heat regeneration unit, a power train, a combustion chamber, a compressor, a heat exchanger and a fuel pump. The dimensions of the hot cylinders set and cold cylinders set PX are selected from the ration d>0, where d is the cylinder diameter, C=2.185-10-5 is a constant, λ is the operating gas (air) heat conductivity, ω is the maximum crankshaft phase rate at which isothermal operating gas expansion-compression do not vary, Cp is the operating gas (air) specific heat at constant pressure, ρ is the operating gas density.
External heating engine / 2335650
Invention relates to engines running by expanding and compressing the working gas heated in one or several continuously communicating chambers, for example, of the Stirling engines. The external heating engine incorporates the hot group crankshaft and the cold group crankshaft, a group of packages of hot cylinders with pistons and the mating group of con rods, a transmission, a fuel pump, a combustion chamber, a compressor feeding the air into the combustion chamber and a heat exchanger. The engine contains also a group of pipes connecting, by pairs, the packages of the hot and cold cylinders and incorporating a heat recovery unit. The cylinders represent parallelepipeds with their thickness d selected from the ration , where: C=2.185·10-5 is a constant, λ is the heat conductivity factor of working gas (air), ω is the maximum angular speed of rotation of the crankshaft at which isothermal processes of working gas expansion-compression keep running in the cylinders, Cp is the specific working gas heat at a constant pressure, ρ is the working gas density. The cylinder width is selected to make their thickness exceeded by not over four times.
Generation method of mechanical (electric) power by means of stirling engine using heat of secondary power resources, geothermal sources and solar power for its operation / 2406853
Generation method of mechanical (electric) power is performed at thermal power plants (TPP), boiler houses, at transport power plants, and plants for combustion of associated petroleum gas and domestic waste. Stirling engine uses for its operation either heat secondary power resources or heat of geothermal sources or solar energy or heat of burning fuel flame. Heat is supplied directly to heater, cylinders with working medium by means of taps or from gas duct or from steam pipeline or from water pipeline, by means of heat pipes (HP), heat accumulators (HA). Spiral shape of tubes of heater, regenerator and cooler of Stirling engine is used. Cooling machine is used for cooling Stirling engine with liquid air. At TPP and boiler houses there used is Stirling engine and generator, which directly receive heat of the burning fuel flame from common combustion chamber for their operation. Stirling engine is used as the main one at automobile, railroad, aviation, and water transport.
Power plant with opposed stirling engine / 2443889
Power plant with opposed Stirling engine includes heater and cooler. Heater comprises together with a piston a hot cavity. Cooler comprises together with a piston a cold cavity. Hot cavity is connected by means of regenerator to cold cavity. Four tight capsules with hot and cold cavities are introduced to power plant. Pistons of hot and cold cavities of each capsule are connected by means of stocks to toothed racks fixed on them and engaged with rotors of combined electric machines. Hot cavity of the first capsule is connected to cold cavity of the second capsule via the pipeline in series connecting heater, regenerator and cooler. Hot cavity of the second capsule is connected to cold cavity of the third capsule via the pipeline in series connecting heater, regenerator and cooler. Hot cavity of the third capsule is connected to cold cavity of the fourth capsule via the pipeline in series connecting heater, regenerator and cooler. Hot cavity of the fourth capsule is connected to cold cavity of the first capsule via the pipeline in series connecting heater, regenerator and cooler. Inner space of capsules is filled with gas identical to gas in working cavities, the pressure of which is equal to average pressure of working medium in thermodynamic cycle.
Rotary internal combustion engine / 2451811
Proposed engine comprises rotor, vanes, at least, two housings, seals and two sections: hot and cold. Rotors of said sections are rigidly fitted on common shaft. Hot section rotor is longer than that in cold section. Cold section vane operating area and chamber volume are larger than those in hot sections. Engine comprises cold section inlet, cold section outlet, got section inlet and hot section outlet. Hot and cold section chambers are communicated via two tubes, one extending through cooling chamber and another one extending through heating chamber. Both said tubes cross regeneration chamber. Valve is arranged on line extending from regeneration chamber to cold section. Vane parts are located on opposite sides of rotational axis. Every vane is completely extended and fixed relative to rotating rotor, at the moment when distance between opposite walls equals vane length.
External heat supply engine built around parson's oscillating piston engine drive / 2519532
Invention relates to external heat supply engines. This engine comprises working piston and displacer pistons in different cylinders. Output shaft incorporates the crank articulated via con-rod with working piston. Oscillating sleeve with shaft fitted therein are pivoted inside said housing on one axle. Both sleeve and shaft are equipped with cranks articulated via con-rods with displacer pistons. In-cylinder spaces above displacer pistons are hot chambers. In-cylinder spaces under displacer pistons are cold chambers. Working medium is fed from hot chambers into cold chambers via heaters, regenerators and coolers. Cold chambers are communicated via working medium lines with appropriate above-piston and under-piston chambers of the cylinder with working piston. Engine runs with phase shift between working piston and displacer piston.
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(57) Abstract: Usage: engine area, dealing with engines with external heat supply with a closed loop. The inventive actuator for engine with external heat supply contains two shafts 4 and 5 with synchronous rotation, kinematically connected with the working piston 2 and the piston-displacer 3, the intermediate wheel 17, is made with two toothed crowns, internal and external, of which the inner crown is associated with the gear 6 of one shaft and the external gear 7 other shaft, and coupling shaft with the working piston is made through the cranks 11 and 12, each of which is connected through the connecting rods 13 and 14 with a finger beam 15 of the working piston. The connection shaft with a piston-displacer is made in the form of Cams 8 and 9, each of which is located on one of the shaft and communicates with the piston-displacer through the respective spring-loaded support plate 19 and 20 and the rocker, United with the rod of the piston-displacer. The use of Cam support plate and the rocker arm for connection shaft with a piston-displacer optimal law changes the volume of the hot cavity of the cylinder of the engine and thereby improve efficiency. 2 C.p. f-crystals, 3 ill.m heat (DWPT). Known engines with external heat supply, containing two shafts for synchronous rotation, connected by means of gears and provided with cranks, each of which is connected through the connecting rods with your fingers traverse coaxial pistons: working and piston-displacer shifted in phase angle. This motor has higher mechanical losses associated with the fact that when the engine is at a certain point in time, the pressure under the piston becomes higher than the pressure above the piston and torque changes its sign. Gear of one of the crankshafts, which is not connected with the toothed wheel output shaft, rotates in the direction opposite to its rotation, choosing the clearance between the gears on the crankshafts. Gear associated with PTO, remains in the same position due to the inertia of the flywheel. When this happens bias traverse, causing increased friction in the nodes DITCH, thereby reducing mechanical efficiency. In addition, these engines have relatively low life due to uneven wear of the gears on the crankshafts, since one of them is additionally included in the gear output shaft, with a force before which the train engine with external heat supply, equipped with an intermediate wheel, made with two toothed crowns: internal and external, and the internal crown connected with a shaft gear and the external gear of the other shaft (prototype). The disadvantage of this device is that it does not allow for the optimal law of change of volume of the hot cavity of the cylinder of the engine, and hence, lowers the efficiency of its work. This is due to the fact that the device is in the form of rhombic linkage mechanism is not able to accurately reproduce the desired movement of the displacer, the corresponding optimal law changes the amount of hot cavity. In addition, the device has a complex structure, since a large number of rods and joints, which increases the dimensions, especially the height. The aim of the invention is to increase efficiency by ensuring optimal law of change of the volume of the hot cavity of the cylinder of the engine, as well as simplifying the design and size reduction. To achieve this goal in the drive for the engine with external heat supply, containing two shafts for synchronous rotation, kinematically connected with the working piston and the piston-vitezne is it one shaft, and the external gear of the other shaft, the connection of shafts with a working piston made through the cranks, each of which is connected through a connecting rod with a finger traverses the working piston, the connection shaft with a piston-displacer is made in the form of Cams, each of which is located on one of the shaft and communicates with the piston-displacer through the spring-loaded base plate and the arm, pivotally connected with the rod of the piston-displacer, Cams provided with a limiting flange and base plate in contact with the surface between the ribs. The invention is illustrated by drawings, where Fig. 1 shows a kinematic diagram of the device of Fig. 2 section a-a in Fig. 1; Fig. 3 node I in Fig. 2. The engine consists of a cylinder 1 in which is placed the working piston 2 and the piston-displacer 3. The drive contains the shafts 4 and 5, on which is rigidly fixed gears 6 and 7 and the Cams 8 and 9 with restrictive shoulder 10. The shafts 4 and 5 are provided with cranks 11 and 12, each of which is connected through the connecting rods 13 and 14 with the fingers of the bar 15 and the rod 16 of the working piston 2. Gears 6 and 7 are in engagement with the intermediate gear wheel 17, is made with two toothed crowns, internal and external, and is Amnesty. With Cams 8 and 9 interact with the supporting plates 19 and 20 are rigidly connected with the arm 21, which is connected with the rod 22 of the piston-displacer 3. The supporting plates 19 and 20 are biased to the core surfaces of Cams 8 and 9 by means of a spring 23 mounted between the thrust bracket 24 and the rocker 21. The shafts 4, 5 and 18 mounted in the bearings 25. The rocker 21 is connected with the rod 22 of the piston-displacer 3 through a hinge 26. The engine works as follows. With the expansion of the heated gas piston 2 and the piston-displacer 3 moves down, and the work makes only the piston 2, as the gas pressure on both sides of the displacer is approximately the same. The reciprocating movement of the piston 2 is converted through the yoke 15, the connecting rods 13 and 14 and the cranks 11 and 12 in the rotational movement of the shafts 4 and 5, which through gears 6 and 7 and the intermediate gear 17 transmit the rotation shaft 18 of the PTO. During the compression stroke gas piston 2 will move upwards, and the corresponding movement will make United with him the above links. The required optimal law of change of volume of the hot cavity of the cylinder is provided by a Cam, because pornoscheme Cams 8 and 9, specifies the law of motion of the piston-displacer 3. The placement of the supporting plates 19 and 20 between the shoulder 10 of Cams 8 and 9 eliminates the possibility of breaking the orientation of the support plates on Cams, and a rigid connection of the support plates 19 and 20 with the arm 21, which hinge 26 is connected with the rod 22 of the piston-displacer 3 and simultaneously biased by a spring 23 and a thrust bracket 24, allows the process to ensure equal load on the Cams 8 and 9 and the supporting plates 19 and 20 and the constant contact of the latter with the profiled surfaces of the Cams 8 and 9. The proposed device allows you to accurately reproduce the desired movement of the piston-displacer and thus ensure optimal law of change of volume of the hot cavity of the cylinder of the engine, and therefore, increase its efficiency, in addition, simplifies the design and reduces the height. 1. The ACTUATOR FOR the ENGINE WITH EXTERNAL HEAT SUPPLY, containing two shafts for synchronous rotation, kinematically connected with the working piston and the piston-displacer, intermediate wheel, made with two toothed crowns, internal and external, of which the inner crown is associated with one gear shaft, and the which is connected through a connecting rod with a finger traverses the working piston, characterized in that, to improve efficiency, communication shaft with a piston-displacer is made in the form of Cams, each of which is located on one of the shaft and communicates with the piston-displacer through the spring-loaded base plate and the rocker, United with the rod of the piston-displacer. 2. Drive under item 1, characterized in that the connection of the rocker arm with the rod of the piston-displacer is made in the form of a hinge. 3. Drive on PP.1 and 2, characterized in that the Cams are made with restrictive flange and base plate in contact with the surface enclosed between the ribs.
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