External combustion engine

FIELD: engines and pumps.

SUBSTANCE: external combustion engine includes sealed housing in the form of flattened cone, which is partially filled with heat carrier. Housing includes evaporator and condenser. The housing includes heat-insulating ring being the element of the housing and rigidly attached both to evaporative section, and to condensation section of the engine housing. Turbine impellers with moving blades enclosed with a rim are rigidly attached to heat-insulating ring. Turbine impellers are rigidly attached to engine shaft. Turbine wheels with guide vanes enclosed with the rim representing an internal annular magnet are installed on the shaft. Rims of all wheels are installed so that an annular gap with housing is formed. Wheels with guide vanes are installed with possibility of being rotated in relation to the shaft - on bearings. External annular magnet rigidly attached to the housing is installed above internal annular magnet. Propeller is rigidly fixed on the engine shaft. The condenser includes bars, on which there rigidly fixed are cone-shaped plates of wave-like profile both on internal, and external sides of the housing. Combustion chamber with injectors is located around evaporator.

EFFECT: reducing mass and dimensions characteristics of the engine; enlarging its functional capabilities.

3 cl, 6 dwg


The invention relates to the field of power engineering and can be used, in particular, as the engine of the aircraft (L.A.).

A device called a Stirling engine that converts heat energy into mechanical energy of rotation of the shaft [1].

The disadvantages of this invention should include the complexity of the device caused by the use of four-crank mechanism (CRG).

As the prototype device is selected by the RF patent №2056606 called "Converter of thermal energy into mechanical work" [2].

The disadvantages of the devices of the prototype should include large overall dimensions, due to the inefficient system of heat removal from the condenser.

The aim of the present invention is the reduction in weight and size characteristics of the engine, and extending its functionality.

The essence of the invention is as follows.

To improve the efficiency of heat exchange in the area of the capacitor are radially mounted rods rigidly fixed to the motor housing. The rods are rigidly fixed conical plates both inside and outside of the sealed enclosure. Tapered plates made with the developed heat exchange surface, such as wave-like. With Stour which are the vertices of a truncated cone set screw. The rod and cone plates made of copper or alloys based on it.

The proposed solution significantly increases the efficiency of heat removal from the condenser, reduces its size, which in the end leads to achievement.

The invention is illustrated by drawings.

Figure 1 shows the appearance of the engine (in section).

Figure 2 presents a sealed enclosure with rods and cone plates.

Figure 3 shows the cone plate.

Figure 4 presents turbine engine (increased).

Figure 5 shows the profile of the conical plates.

Figure 6 shows a variant of the engine using solar energy.

The device of the external combustion engine.

The external combustion engine comprises a sealed housing 1 in the form of a truncated cone, partially filled with coolant. The body contains the evaporator 2 and the condenser 3. In the case contains insulating ring 4, which is the element housing and rigidly fastened as with evaporative section 5 and the condensing section 6 of the engine block. By insulating ring rigidly attached impellers 7 of the turbine with the rotor blades 8, covered by the rim 9. The impellers of the turbine is rigidly attached to the shaft 10 of the engine. Shaft mounted wheel 11 of the turbine with guide vanes 12, Oh uchennymi rim 13, representing the inner ring magnet. Rims all wheel installed with the formation of the annular gap 14 with the body. Wheel with guide vanes mounted for rotation relative to the shaft - bearings 15. Over the inner ring magnet has an external annular magnet 16, is rigidly connected with the casing (housing) 17 L.A. On the motor shaft rigidly fastens the screw 18. In the motor housing, in the condensation zone, contains the rods 19, which is rigidly fixed conical plate 20 wave-like profile, with both internal and external to the housing. Around the evaporator is located 2 spiral combustion chamber 21 with opposed spaced nozzles 22.

When stationary version of application engine, using solar energy, the engine is provided with a protective casing 23, which protects the capacitor from heat, spokes 24 for fastening the casing and the generator 25. This screw serves as the compressor and fan.

With the purpose of clarity and ease of illustration, figures 1 and 6 the inner and outer conical plates with rods not shown.

Engine work

When the fuel supply to the injectors 22 and the compressed air in 2 spiral combustion chamber 21, is heated and evaporation of the coolant in the evaporator 2. Steam under pressure postopia is on the rotor blades 8 and the guide vanes 12 multi-stage turbine. Because the rim 13 of the wheel with guide vanes are fixed against rotation with the help of magnets 13 and 16, and the impellers 7 rigidly connected (with screws) case 1, the engine comes into rotation. The coolant in the vapor, after passing through the turbine enters the condenser 3 where it is cooled and transformed into a liquid phase. The cooling is caused by the case of the capacitor, and through the inner cone of the plates 20, rigidly secured to the rods 19. The heat flux through the rods to the outer cone plates, washed by the flow of the air pumped by the screw 18 in a spiral combustion chamber 21.

Going in the liquid phase on the inner cone plates, the fluid is deposited on the inner wall of the condenser 3 and in the form of a thin film by centrifugal force, is returned to the evaporator 2. For this purpose between the housing 1 and the rim of the turbine 9 and 13 provides a gap 14. In the evaporator, the fluid again passes into the vapor state and is supplied to the turbine wheel. The cycle is closed.

The advantages of the proposed technical solution.

Any heat engine must contain at least four devices: 1. The energy source. 2. Thermal machine. 3. The capacitor. 4. A pump.

Usually, all of these devices are their own, occupy large areas and the volume and connect the us among them, a complex communication system. In the proposed technical solution, all necessary devices are combined in one mobile unit, and the function of the pump keeps the engine, the body of which is made in the form of a cone.

1. Setting the value to the desired taper of the body (the angle α), and the number of revolutions of the engine, you are guaranteed to provide reliable heat carrier passage with opposing directions. Namely, in the gaseous state from the evaporator to the condenser, passing through the turbine and back into the liquid state from the condenser to the evaporator. While L.A. with a similar engine which does not depend on orientation in space, can do any aerobatics.

2. The engine is omnivorous, i.e. undemanding to as fuel. The nozzle can be adjusted to any type of fuel, in liquid or gaseous form. The engine can run on solar energy.

3. High reliability of the engine by its design, since all moving parts are enclosed in a sealed housing. The presence of two opposed spaced nozzles and 2 spiral combustion chamber increases the reliability of L.A.

4. High efficiency, since the heat transferred from the condenser to an external conical plates, utilized and additionally heats the air entering the combustion chamber.

information Sources

1. Polytechnical dictionary. Publishing house "Soviet encyclopedia", Moscow, 1980 S-501. Article."Stirling engine".

2. RF patent №2056606 priority from 21.01.93,

1. The external combustion engine, containing a sealed enclosure in the shape of a truncated cone, partially filled with fluid, the body contains the evaporator and the condenser, the body contains insulating ring, which is the element housing and rigidly fastened as with evaporating section and the condensing section of the casing of the engine, to the insulation ring rigidly attached impellers of the turbine with the rotor blades covered by the rim, the impellers of the turbine is rigidly attached to the shaft of the motor, shaft mounted wheel turbine with guide vanes covered by the rim of an inner ring magnet, rims all wheel installed with the formation of the annular gap with the housing, wheel with guide vanes mounted for rotation relative to the shaft - bearings, over an internal ring magnet has an external ring magnet rigidly connected with the casing, wherein the motor shaft is rigidly secures the screw in the condenser contains the rods are rigidly fixed conical plate wave-like profile, with both internal and narodnostey housing, around the evaporator is located combustor nozzles.

2. The engine according to claim 1, characterized in that around the evaporator is 2-spiral combustor.

3. The engine according to claim 1, characterized in that the combustion chamber contains 2 located opposite the nozzle.


Same patents:

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Disk heat exchanger // 2255282

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Heat hydraulic // 2228503

Fan-heat exchanger // 2224913
The invention relates to heat exchange apparatus in which fluids are not mixed with each other, and can be used, for example, in ventilation systems and air conditioning for the heat exchange between the intake and exhaust air flows

The invention relates to the field of heat, the primary area of application - heat-and-power