WO2018159979A1 - Ultrasonic fuel supply apparatus, and internal combustion engine and combustion apparatus using same - Google Patents
Ultrasonic fuel supply apparatus, and internal combustion engine and combustion apparatus using same Download PDFInfo
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- WO2018159979A1 WO2018159979A1 PCT/KR2018/002393 KR2018002393W WO2018159979A1 WO 2018159979 A1 WO2018159979 A1 WO 2018159979A1 KR 2018002393 W KR2018002393 W KR 2018002393W WO 2018159979 A1 WO2018159979 A1 WO 2018159979A1
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- Prior art keywords
- fuel
- ultrasonic
- fuel tank
- fuel supply
- atomized
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/06—Fuel tanks characterised by fuel reserve systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/077—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M27/00—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like
- F02M27/08—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like by sonic or ultrasonic waves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
Definitions
- the present invention relates to an ultrasonic fuel supply device, an internal combustion engine and a combustion device using the same.
- Crude oil extracted from the ground is mainly a mixture of hydrocarbons and a mixture of various impurities such as sulfur.
- the boiling point vaporization point
- the boiling point is evaporated and evaporated in descending order from the lowest material to the highest material.Gasoline, kerosene, diesel oil, heavy oil, etc. ) Can be obtained.
- diesel In general, diesel is about 10% higher in heat efficiency than gasoline and is mainly used as a fuel for diesel engine vehicles, but diesel contains sulfur, which emits sulfuric acid, which reacts with water vapor to produce sulfuric acid. May have harmful effects.
- the fuel system of a general internal combustion engine is composed of a fuel pump for supplying fuel from a fuel tank and a mixing device for mixing a fuel and air (oxygen) supplied by the fuel pump at a predetermined ratio.
- Fuel is supplied from the fuel tank to the fuel filter by the fuel pump, and impurities are filtered out of the fuel filter and then supplied to the injection pump.
- the injection pump pressurizes the fuel and injects the fuel into the cylinder through the injection valve.
- the fuel injected into the combustion chamber of a diesel engine has a smaller size of fuel particles, evaporation, better mixing with air, and the like, require atomization of the fuel with the smallest possible particle size.
- Patent Documents 1 to 6 below disclose an apparatus for saving fuel and suppressing the generation of harmful exhaust gases by promoting complete combustion by applying ultrasonic energy to fuel and atomizing ultrasonic fuel using an ultrasonic vibrator to supply an injector through a compressor. Doing.
- Patent Document 1 Korean Patent Publication No. 1992-0010716
- Patent Document 2 Korean Patent Publication No. 1996-0012376
- Patent Document 3 Korean Utility Model Publication 20-1999-0041915
- Patent Document 4 Korean Unexamined Patent Publication 10-2001-0025533
- Patent Document 5 Korean Patent Publication 10-0840410
- Patent Document 6 Korean Unexamined Patent Publication 10-2012-0051462
- ultrasonic oscillators at constant speeds in normal speeds (e.g., about 3000 rpm or less) used in daily life or at these speeds It is necessary to use the atomized fuel as the main fuel supply system or to operate the engine only with the atomized fuel through the ultrasonic vibrator.
- the fuel atomized by the ultrasonic vibrator is used as the main fuel supply system to effectively reduce fuel and suppress generation of harmful emissions. It is necessary to drive the combustion apparatus using only fuel that has been used or atomized through ultrasonic vibrators.
- the internal combustion engine or the atomized fuel is atomized by using an ultrasonic vibrator, and the atomized fuel is used as the main fuel supply system or the fuel is atomized only by the ultrasonic vibrator. It is an object of the present invention to provide an ultrasonic fuel supply device capable of driving a combustion device.
- an ultrasonic fuel tank including a fuel storage space and an atomization space, an input pipe for supplying fuel to an ultrasonic fuel tank from an external main fuel tank, between an input pipe and an ultrasonic fuel tank A flow control device installed to maintain a constant fuel storage amount of the fuel storage space, at least one ultrasonic vibrator installed at the bottom of the ultrasonic fuel tank to atomize the fuel stored in the fuel storage space, and ultrasonic waves for driving the ultrasonic vibrator
- An output pipe for supplying fuel atomized by the ultrasonic vibrator to the fuel injection device, and when the internal pressure decreases as the atomized fuel is supplied to the fuel injection device through the output pipe, air is introduced into the ultrasonic fuel tank. With an air inlet for injecting It provides acoustic fuel supply.
- the internal combustion engine is configured to be driven using the atomized fuel supplied from the ultrasonic fuel supply device as a main fuel supply system in a rotational speed section which is used in daily use.
- a main fuel tank for storing fuel
- a fuel pump connected to the main fuel tank for supplying fuel
- an ultrasonic fuel supply device for supplying fuel
- a fuel pump and an ultrasonic fuel supply device An internal combustion engine having a fuel injection device for supplying fuel to a cylinder chamber is provided.
- an ultrasonic fuel tank including a fuel storage space and an atomization space, an input pipe for supplying fuel to an ultrasonic fuel tank from an external main fuel tank, between an input pipe and an ultrasonic fuel tank
- a flow control device installed to maintain a constant fuel storage amount of the fuel storage space
- at least one ultrasonic vibrator installed at the bottom of the ultrasonic fuel tank to atomize the fuel stored in the fuel storage space
- ultrasonic waves for driving the ultrasonic vibrator
- An ultrasonic fuel supply device having an oscillator controller and an output pipe for supplying fuel atomized by an ultrasonic vibrator to a fuel injection device.
- a main fuel tank for storing fuel, an ultrasonic fuel supply device, and a fuel injection device for supplying fuel supplied from the main fuel tank and the ultrasonic fuel supply device to a combustion chamber.
- a combustion device for supplying fuel supplied from the main fuel tank and the ultrasonic fuel supply device to a combustion chamber.
- the combustion device is configured to be operable in the normal operating state, using the atomized fuel supplied from the ultrasonic fuel supply device as the main fuel supply system.
- an atomizer may be atomized using an ultrasonic vibrator to use the atomized fuel as a main fuel supply system or to drive an internal combustion engine or a combustion apparatus using only atomized fuel through an ultrasonic vibrator.
- an ultrasonic vibrator to use the atomized fuel as a main fuel supply system or to drive an internal combustion engine or a combustion apparatus using only atomized fuel through an ultrasonic vibrator.
- FIG. 1 is a block diagram showing a configuration of an internal combustion engine according to at least one embodiment of the present invention.
- FIG. 2 is a conceptual diagram illustrating a structure of an ultrasonic fuel supply device according to at least one embodiment of the present invention.
- FIG 3 is a conceptual diagram of a flow rate control valve configured to maintain a constant flow rate in the ultrasonic fuel tank of the ultrasonic fuel supply device according to at least one embodiment of the present invention.
- FIG. 4 is a conceptual view illustrating a flow rate adjusting device for maintaining a constant flow rate in an ultrasonic fuel tank of an ultrasonic fuel supply device according to at least one embodiment of the present invention, comprising an oil level gauge, a valve, and a valve controller.
- FIG. 5 is a conceptual view illustrating a flow rate adjusting device for maintaining a constant flow rate in an ultrasonic fuel tank of an ultrasonic fuel supply device according to at least one embodiment of the present invention, including a fuel tank for controlling a flow rate, an oil gauge, a valve, and a valve controller .
- FIG. 6 is a conceptual diagram illustrating an operation of an air intake unit of the ultrasonic fuel supply device according to at least one embodiment of the present invention.
- FIG. 7 is a conceptual diagram illustrating an output pipe extension of the ultrasonic fuel supply device according to at least one embodiment of the present invention.
- FIG. 9 is a graph showing an example of an operation sequence of each fuel supply system of the internal combustion engine using the ultrasonic fuel supply device according to at least one embodiment of the present invention.
- FIG. 10 is a graph showing another example of an operation sequence of each fuel supply system of the internal combustion engine using the ultrasonic fuel supply device according to at least one embodiment of the present invention.
- FIG. 11 is a block diagram showing a configuration of a combustion apparatus according to at least one embodiment of the present invention.
- FIG. 12 is a conceptual diagram illustrating a structure of an ultrasonic fuel supply device according to at least one embodiment of the present invention.
- injection pump 42 injection nozzle
- valve controller 511 wall surface
- valve controller 533 oil gauge
- connection pipe 561 output pipe extension
- valve 1170 valve controller
- a diesel engine using diesel as an internal combustion engine will be described as an example, but the present invention is not limited thereto, and all internal combustion engines and boilers using a fuel having a vaporization point of 150 degrees Celsius or more (eg, kerosene, diesel, heavy oil, etc.), Applicable to all combustion devices such as heaters and generators.
- a fuel having a vaporization point of 150 degrees Celsius or more eg, kerosene, diesel, heavy oil, etc.
- the present invention is the type of combustion chamber of the internal combustion engine (e.g., direct injection and indirect injection), the type of fuel injection pump (e.g. Inline Injection Pump, Distributor Pump It can be applied regardless of injection pump, unit injector and fuel injection method (eg mechanical injection and electronic injection).
- fuel injection pump e.g. Inline Injection Pump, Distributor Pump It can be applied regardless of injection pump, unit injector and fuel injection method (eg mechanical injection and electronic injection).
- FIG. 1 is an example of an internal combustion engine according to at least one embodiment of the present invention, a block diagram showing the configuration of a diesel engine.
- an internal combustion engine is connected to a main fuel tank 10 for storing fuel and a fuel pump 20 for supplying fuel to the main fuel tank 10.
- a fuel supply line is shown, not a fuel recovery line in a conventional diesel engine.
- Fuel stored in the main fuel tank 10 is pumped by the fuel pump 20 and atomized by the first fuel supply system and the ultrasonic fuel supply device 50 which are directly supplied to the fuel injection device 40 in a liquid state. It is supplied to the cylinder chamber 30 through the 2nd fuel supply system supplied to the fuel injection device 40 in a state.
- the fuel supply through the second fuel supply system is always in the OPEN (opening degree 100%) state, while the fuel supply through the first fuel supply system is in an operating state of the internal combustion engine. Therefore, it is changed to OPEN (opening degree 100%), CLOSE (opening degree 0%), or partially OPEN (0% ⁇ opening degree ⁇ 100%).
- the fuel injection device 40 is composed of an injection pump 41 and an injection nozzle 42.
- the fuel supplied to the fuel injection device 40 through the first fuel supply system and / or the second fuel supply system is injected into the cylinder chamber 30 through the injection nozzle 42 by the injection pump 41.
- the fuel filter for removing impurities in the fuel and the mixer for mixing the injected air with the air sucked from the air cleaner at the time of fuel injection may use a conventional apparatus and structure, and thus the description thereof is omitted.
- FIG. 2 is a conceptual diagram illustrating a structure of an ultrasonic fuel supply device 50 according to at least one embodiment of the present invention.
- the ultrasonic fuel supply device 50 includes an ultrasonic fuel tank 51 and a main fuel tank including a fuel storage space 513 and an atomization space 514.
- Flow control device 53 for maintaining a constant storage amount, at least one ultrasonic vibrator 54, which is installed in the lower portion of the ultrasonic fuel tank 51 to atomize the fuel stored in the fuel storage space to drive the ultrasonic vibrator 54
- the atomized fuel is injected through the ultrasonic vibrator controller 55, the output pipe 56 for supplying the fuel atomized by the ultrasonic vibrator 54 to the fuel injection device 40, and the output pipe 56.
- the air inlet 57 is opened to inject air into the ultrasonic fuel tank 51.
- the diaphragm 58 is installed on the bottom surface of the ultrasonic fuel tank 51, and the ultrasonic vibrator 54 is attached to the rear surface of the diaphragm 58.
- the ultrasonic vibrator 54 may use a general piezoelectric ceramic. When a current flows through the ultrasonic vibrator 54, the diaphragm 58 vibrates, and ultrasonic waves are generated by this vibration to cause vibration in the fuel.
- the ultrasonic vibrator 54 vibrates from the bottom of the fuel. These vibrations cause the molecules of the fuel to collide with each other to transfer the vibrations between the molecules, and when the vibrations reach the surface of the fuel, the fuel particles on the fuel surface are released onto the fuel surface in the form of fine particles. Thus, if the core is too deep or too low, the fuel will not be atomized efficiently.
- the atomization space 514 which is about several times larger than the fuel storage space 513, is required.
- the ultrasonic vibrator 54 has a difference in atomization amount depending on the flow rate of the stored fuel (the oil level, that is, the height from the bottom to the oil level OL1), so it is necessary to maintain the flow rate of the fuel stored in the fuel storage space appropriately.
- the oil level that is, the height from the bottom to the oil level OL1
- an appropriate height from the bottom to the oil level OL1 is about 20 mm to 50 mm
- the amount of atomization is about 200 ml to 500 ml per hour.
- FIG 3 is a conceptual diagram of a flow rate control valve 53 for maintaining a constant flow rate in the ultrasonic fuel tank 51 of the ultrasonic fuel supply device 50 according to at least one embodiment of the present invention.
- the flow regulating device 53 includes a valve 531 for regulating the supply amount of fuel and a valve controller for regulating the opening amount of the valve 531. 532).
- the opening amount of the valve 531 is adjusted through the valve controller 532 so that the fuel is supplied from the fuel pump 20 by the amount of atomized fuel that is supplied to the cylinder chamber 30 and consumed.
- the fuel pump 20 is provided by the amount of atomized fuel supplied to the cylinder chamber 3.
- the valve 531 may be opened by about several mm to supply fuel to the ultrasonic fuel tank 51.
- FIG. 4 is a oil level gauge, a valve, and a valve controller of a flow control device 53 for maintaining a constant flow rate in the ultrasonic fuel tank 51 of the ultrasonic fuel supply device 50 according to at least one embodiment of the present invention. It is a conceptual diagram composed of.
- the flow regulating device 53 includes a valve 531 for adjusting the supply amount of fuel, a valve controller 532 for adjusting the opening amount of the valve 531, and an oil level. It is comprised by the oil level meter 533 for detecting the height of OL1.
- the oil level meter 533 detects the height (flow level) of the oil level OL1 indicating the amount of fuel in the ultrasonic fuel tank 51 and outputs the detection result to the valve controller 532.
- the valve controller 532 compares the height of the oil level OL1 detected by the oil level meter 533 with a preset value and controls the opening degree of the valve 531 according to the comparison result. That is, when it is determined that the height of the detected oil level OL1 is higher than the predetermined value by a predetermined value or more, the valve controller 532 closes the valve 531 to reduce the fuel supply to the ultrasonic fuel tank 51. Or block it. On the contrary, if it is determined that the height of the detected oil level OL1 is lower than the predetermined value by a predetermined value or more, the valve controller 532 opens the valve 531 to start supplying fuel to the ultrasonic fuel tank 51. Increase.
- the oil level meter 533 divides the interval by time and takes the average value of the values detected in each interval and outputs the average value to the valve controller 532 as a detection result.
- the height of the oil level OL1 is randomly obtained by dividing the detection result received from the oil level meter 533 by the time interval and taking the average value for each time interval. The influence of the error due to rocking can be reduced.
- a flow rate control device 53 for maintaining a constant flow rate in the ultrasonic fuel tank 51 of the ultrasonic fuel supply device 50 according to at least one embodiment of the present invention, the fuel tank, the oil gauge, It is a conceptual diagram comprised of a valve and a valve controller.
- the flow rate regulating device 53 includes a valve 531 for adjusting the supply amount of fuel, a valve controller 532 for adjusting the opening amount of the valve 531, and a flow control A fuel tank 534 and a oil level gauge 535 for detecting the height of the oil level OL1 in the fuel tank 534 for controlling the flow rate.
- the flow rate of the ultrasonic fuel tank 51 was adjusted by taking an average value of the heights of the oil level OL1 detected using the oil level meter 533 for each section, but in this embodiment, a separate fuel tank for controlling flow rate 534. The flow rate in the ultrasonic fuel tank 51 is more efficiently controlled by using the?
- the flow rate control fuel tank 534 is connected to the ultrasonic fuel tank 51 and the connection pipe 536, so that the oil level OL1 of the fuel in the ultrasonic fuel tank 51 and the fuel tank for the flow rate control (
- the oil level OL2 of the fuel in 534 is arranged to substantially coincide. Therefore, if the height of the oil level OL1 is changed due to the increase or decrease of the fuel in the ultrasonic fuel tank 51, the oil level OL2 in the flow rate control fuel tank 534 is also changed accordingly, so that the flow rate control fuel tank 534 is the same.
- the flow rate in the ultrasonic fuel tank 51 can be controlled by detecting the height of the oil level OL2 therein.
- the vibration of the ultrasonic vibrator 54 since the uprising of the oil surface OL1 due to the vibration of the ultrasonic vibrator 54 may be a greater obstacle in detecting the height of the oil surface than the rocking caused by driving of the vehicle.
- a separate flow control fuel tank 534 that is not affected by the there is an advantage that can control the flow rate in the ultrasonic fuel tank 51 more efficiently.
- the oil level meter 535 detects the height of the oil level OL2 in the fuel tank 534 for flow control and outputs the detection result to the valve controller 532.
- the valve controller 532 compares the height of the oil level OL2 detected by the oil level meter 535 with a preset value and controls the opening degree of the valve 531 according to the comparison result. That is, when it is determined that the height of the detected oil level OL2 is higher than the predetermined value by a predetermined value or more, the valve controller 532 closes the valve 531 to reduce the fuel supply to the ultrasonic fuel tank 51. Or block it. On the contrary, if it is determined that the height of the detected oil level OL2 is lower than the predetermined value by a predetermined value or more, the valve controller 532 opens the valve 531 to start supplying fuel to the ultrasonic fuel tank 51. Increase.
- the oil level meter 535 divides the sections by time, takes the average value of the values detected in each section, and outputs the result to the valve controller 532 as the detection result, or the valve controller 532 receives the oil level meter.
- an apparatus such as an oil gauge or a float switch can be used.
- the ultrasonic vibrator 54 when the ultrasonic vibrator 54 is operated in a state where the bottom of the ultrasonic fuel tank 51 is exhausted for some reason, there is a fear that the adhesive part may be peeled off and cause a failure.
- the fuel level in the ultrasonic fuel tank 51 is exhausted by continuously monitoring the fuel amount of the ultrasonic fuel tank 51 using the oil level gauges 533 and 535. If it is determined, the ultrasonic vibrator controller 55 stops the operation of the ultrasonic vibrator 54.
- the ultrasonic vibrator controller 55 receives the monitor result from the oil level gauges 533 and 535 and determines that the fuel in the ultrasonic fuel tank 51 is exhausted when the received result is equal to or less than a predetermined amount. When this happens, the ultrasonic vibrator controller 55 outputs an alarm signal to cause the driver to eliminate the cause or the valve controller 532 immediately opens the valve 531 to supply fuel to the ultrasonic fuel tank 51. Outputs a signal to be supplied.
- the atomized fuel in the ultrasonic fuel supply device 50 When driving an internal combustion engine (for example, a diesel engine) using the ultrasonic fuel supply device 50 according to at least one embodiment of the present invention, the atomized fuel in the ultrasonic fuel supply device 50 according to the stroke of the combustion process. Is sucked into the cylinder chamber 30, the pressure in the ultrasonic fuel tank 51 becomes a vacuum state (low pressure state), the phenomenon that the wall of the ultrasonic fuel tank 51 is contracted inward. Therefore, even if atomized fuel in the fuel supply device 50 is sucked into the cylinder chamber 30, the inside of the ultrasonic fuel tank 51 does not become a vacuum state and the ultrasonic fuel tank as necessary to maintain a normal pressure (atmospheric pressure). It is necessary to inject air into the interior of 51.
- a vacuum state low pressure state
- FIG. 6 is a conceptual diagram illustrating the operation of the air intake unit 57 of the ultrasonic fuel supply device 50 according to at least one embodiment of the present invention.
- an air inlet 512 having a predetermined size is formed on the wall surface 511 of the ultrasonic fuel tank 51.
- the air intake part 57 is fitted into the pin 571 slidably inserted into the air inlet 512, the sucker 572 attached to the first end of the pin, and the pin 571 so as to fit the first of the pin 571.
- It is composed of a spring (elastic member) 573 positioned between the second end opposite the end and the sucker 572.
- the second end of the pin 571 is formed in the shape of a rivet head, through which the spring 573 is inserted into the pin 571 and the pin 571 through the air inlet 512 through the first end. Attaching the distal end and the sucker 572 allows the spring 573 to be contracted and stretched without falling between the second end of the fin 571 and the sucker 572.
- the diameter of the air intake port 512 is set smaller than the diameters of the second ends of the spring 573 and the pin 571.
- the diameter of the air intake port 512 is such that the fin 571 freely travels inside the air intake port 512 and a predetermined space is formed between the pin 571 and the air intake port 512. It is set larger than the diameter of the pin 571 except the two ends. Accordingly, the pin 571 is inserted into the air inlet 512 while the spring 573 is inserted into the pin 571 through the first end, and then the pin 571 is slightly compressed. When the first end and the sucker 572 are attached, the sucker 572 is pulled toward the wall surface 511 due to the tensile force of the compressed spring 573, and is in close contact with the inner wall of the wall surface 511.
- the air intake portion 57 is caused by the tension of the spring 573, as shown in Fig. 6 (a).
- the sucker 572 is in close contact with the inner wall of the wall surface 511 to seal the air inlet 512. Therefore, in this state, air cannot come and go through the air intake port 512.
- the spring 573 is used as an elastic member for providing an elastic force.
- an elastic material may be used as a elastic member or a solenoid using a material such as rubber or silicone having elastic force. It can also function as a member.
- the wall surface 511 is described as the side wall surface of the ultrasonic fuel tank 51, but the present invention is not limited thereto, and may be a ceiling surface or a bottom surface of the ultrasonic fuel tank 51.
- a technique for atomizing a liquid by ultrasonic waves is widely used in humidifiers, aspirators, and the like.
- a humidifier when a piezoceramic vibrator is installed at the bottom of a tank and high frequency AC voltage is applied thereto, ultrasonic vibration energy generated is transferred to the surface, and a part of the surface is raised under specific conditions to generate fine particles therefrom.
- the resonant frequency of the vibrator and the water depth greatly influence the amount of atomization. For example, even at the same frequency, atomization may or may not occur depending on depth. Accordingly, in the ultrasonic fuel supply device 50 according to at least one embodiment of the present invention, the flow depth of the fuel in the ultrasonic fuel tank 51 is adjusted within a predetermined range by using the flow regulating device 53. Keep the depth constant.
- a piezoelectric vibrator is a device in which metal electrodes are formed on both surfaces of a piezoelectric ceramic plate, and functions as an ultrasonic vibrator when a high frequency voltage is applied from a driving circuit.
- the generated vibration energy concentrates on the oil surface to form the fuel column, and the fine particles of the fuel are diverted from the tip of the fuel column whose surface tension is greatly reduced.
- the fuel pillar is formed in the vertical direction immediately above the ultrasonic vibrator, and the discharged particles are concentrated in the vertical direction directly above the formed fuel pillar to form a high density region of the atomized fuel (see FIG. 7). Therefore, the distal end portion of the output pipe 56 connected to the ultrasonic fuel tank 51 can be located in the high density region of the atomized fuel inside the ultrasonic fuel tank 51 so that the supply of atomized fuel can be made more efficient.
- FIG. 7 is a conceptual diagram illustrating an output pipe extension of the ultrasonic fuel supply device 50 according to at least one embodiment of the present invention.
- the output pipe 56 of the ultrasonic fuel supply device 50 may include an output pipe extension extending into the ultrasonic fuel tank 51. 561).
- An opening 562 is formed at the end of the output pipe extension 561 to set the length of the output pipe extension 561 such that the opening 562 is located in the high density region (eg, the center) of the atomized fuel. do.
- FIG. 7B a funnel-shaped opening 564 is shown in which the distal end of the output pipe extension 561 is flared.
- the ultrasonic fuel supply device 50 was manufactured and applied to a diesel engine of an automobile.
- the fuel atomized by the ultrasonic vibrator during constant speed driving at a rotational speed section (about 3000 rpm or less) used in daily life or at this rotational speed section It was confirmed that only the engine can be driven.
- an ultrasonic fuel tank 51 was manufactured using plastic containers having widths, heights, and depths of 14 cm, 18 cm, and 9 cm, respectively.
- the ultrasonic vibrator 54 a humidifier vibrator and controller of TDK product having an atomization amount of about 200 ml per hour and a particle size of about 3 to 4 mm were used.
- the valve shown in FIG. 3 is formed of only the valve except the valve controller, and the valve opening is fixed at about 1 mm to 2 mm so that the height (flow level) from the bottom to the oil surface in the container is about 20. It was kept constant at about mm.
- a total of four ultrasonic vibrators were installed on the bottom of the plastic container, and the number of movable parts was adjusted as needed.
- the produced ultrasonic fuel supply device 50 was applied to an engine of a 1993 Hyundai Galloper, and an engine driving test was conducted.
- the Galloper is an SUV with a 2.5-litre (2,476cc exhaust) diesel engine, a four-wheel drive vehicle with a five-speed manual transmission.
- the engine type is D4BX with diesel as fuel, with peak power of 73 / 4,200 ps / rpm, maximum torque of 14,9 / 2,500 kg * m / rpm and fuel economy of 17.3 km / l.
- the fuel supply pipe connecting the fuel pump and the injection pump of the galloper is cut and connected to the input pipe 52 of the ultrasonic fuel supply device 50, in which the pipe on the fuel pump side is manufactured, and the pipe on the injection pump side is connected to the output pipe ( 56, the fuel is injected into the ultrasonic fuel tank 51 so that the oil level is about 25 mm, and the ultrasonic vibrator 54 is vibrated through the ultrasonic vibrator controller 55 to make the ultrasonic fuel tank ( After the atomization in 51) was started, the engine was started and the accelerator was operated to change the engine speed in various ways.
- the fuel pump is located between the fuel pump 20 and the fuel injection device 40.
- a valve 60 for opening and closing the fuel supply from the 20 and a valve controller 70 for controlling the opening and closing of the valve 60 are provided.
- FIG. 9 is a graph showing an example of an operating sequence of each fuel supply system of the internal combustion engine using the ultrasonic fuel supply device 50 according to at least one embodiment of the present invention.
- the ratio (%) of the opening degree of a 1st fuel supply system and the opening degree of a 2nd fuel supply system at the time of engine start is 100: 100, and this ratio is maintained until predetermined time t1 passes. do.
- the predetermined time t1 can be arbitrarily set within a range of about several tens of seconds to several minutes.
- the valve controller 70 closes the valve 60 to open the first fuel supply system and supply the second fuel.
- valve controller 70 When the engine speed is increased to a high rotational section of about 3,000 rpm or more while driving (for example, during a rapid acceleration, a slope plate, or at a high speed in which the engine speed exceeds 3,000 rpm, etc.), the valve controller 70 generates a valve ( 60) to open the first fuel supply system to the cylinder chamber 30 by setting the ratio (%) of the opening of the second fuel supply system to 100: 100 or x: 100 (0 ⁇ x ⁇ 100). This prevents abnormal operation of the engine due to the reduced density of fuel.
- a ratio of 100: x (0 * x * 100) may be realized by controlling the driving of the ultrasonic vibrator 54 by the ultrasonic vibrator controller 55.
- FIG. 10 is a graph showing another example of an operation sequence of each fuel supply system of the internal combustion engine using the ultrasonic fuel supply device 50 according to at least one embodiment of the present invention.
- Figure 10 shows the change in the opening degree of the main fuel supply system and the ultrasonic fuel supply system according to the change in the engine speed.
- the opening degree of the main fuel supply system changes as shown in FIG. 10 (b). That is, in the rotational speed section that is mainly used in daily life when the engine speed is about 3,000 rpm or less, the valve 60 is closed to maintain an opening degree of 0%, and the high rotational speed section at which the engine speed is about 3,000 rpm or more (for example, In case of rapid acceleration, slope climbing, or high speed driving with more than 3,000 rpm, the valve 60 can be opened and maintained at 100% opening or adjusted to any opening between 0% and 100%. .
- the opening degree of the ultrasonic fuel supply system is always maintained at 100%, as shown in FIG. Even if the ultrasonic fuel supply system is always operated at 100%, the atomized liquid does not increase indefinitely because the atomized fuel in the atomization space 514 is reduced back to the liquid. This will dramatically increase fuel economy and reduce hazardous emissions by using atomized fuel from the ultrasonic fuel supply system as the main fuel supply system or by running the engine with only atomized fuel in the rotational speed range that is used in daily life. Can be.
- using the atomized fuel supplied from the ultrasonic fuel supply device 50 as the main fuel supply system is to supply the fuel supplied through the fuel pump 20 (the first fuel supply system).
- Ratio is 49% or less of the total fuel supply
- the ratio of the supply (second fuel supply system) of the atomized fuel through the ultrasonic fuel supply device 50 is 51% or more of the total fuel supply.
- using the atomized fuel supplied from the ultrasonic fuel supply device 50 as the main fuel supply system is the supply of fuel supplied through the fuel pump 20 (first fuel supply system) It means that the ratio is 19% or less of the total fuel supply and the ratio of the supply of fuel (second fuel supply system) atomized through the ultrasonic fuel supply device 50 is 81% or more of the total fuel supply.
- driving the engine with only atomized fuel supplied from the ultrasonic fuel supply device 50 cuts off the supply of fuel supplied through the fuel pump 20 (first fuel supply system). (0%) means supplying only 100% of the total fuel supply to the atomized fuel (second fuel supply system) through the ultrasonic fuel supply device 50.
- the ultrasonic fuel supply device and the internal combustion engine using the same have been described using a diesel engine as an example, but the present invention is not limited thereto.
- kerosene diesel Applicable to all internal combustion engines and combustion systems using heavy oil or heavy oil.
- only the second fuel supply system may be used without starting the first fuel supply system.
- the high-speed section of the engine speed has been described as about 3,000 rpm or more, but this value may vary depending on the type and specification of the engine in the technical field to which at least one embodiment according to the present invention belongs. Those of ordinary skill will understand.
- various controllers for controlling various valves and ultrasonic vibrators may be provided independently or may be integrated and operated in an electronic control device such as an engine control unit (ECU) or an engine control module (ECM). In either case, the various controllers may operate independently or under the control of an ECU or an ECM.
- ECU engine control unit
- ECM engine control module
- FIG. 11 is a block diagram showing a configuration of a combustion apparatus according to at least one embodiment of the present invention.
- a combustion apparatus supplies a fuel supplied from a main fuel tank 1110 and a main fuel tank 1110 to store fuel to the combustion chamber 1130.
- a pump or blower for sending fuel from the main fuel tank 1110 to the combustion chamber 1130 or from the ultrasonic fuel supply device 1150 to the combustion chamber 1130 may be installed in an appropriate position as needed, which is in accordance with the present invention.
- various modifications and changes may be made without departing from the essential characteristics of the present embodiment, and thus descriptions thereof will be omitted.
- the fuel stored in the main fuel tank 1110 is atomized by the first fuel supply system and the ultrasonic fuel supply apparatus 1150 supplied directly to the fuel injection apparatus 1140 in a liquid state. Is supplied to the cylinder chamber 1130 through the second fuel supply system which is supplied to the fuel injection device 1140.
- FIG. 12 is a conceptual diagram illustrating a structure of an ultrasonic fuel supply device 1150 according to at least one embodiment of the present invention.
- the difference between the ultrasonic fuel supply device 1150 shown in FIG. 12 and the ultrasonic fuel supply device 50 shown in FIG. 2 is that an air inlet for injecting air into the ultrasonic fuel tank 51 in the case of a combustion device. (57) is not necessary. Except for the air inlet 57, the ultrasonic fuel supply device 1150 may be regarded as the same as the ultrasonic fuel supply device 50. For a detailed description thereof, the ultrasonic fuel supply device 50 except for the air inlet 57 is described. See the description of).
- the ultrasonic fuel supply device 1150 for the combustion device may further include an air suction unit 57.
- the air intake unit 57 is required due to the vacuum due to the cylinder action, but in the case of the combustion engine, the air intake unit 57 may be provided if there is a concern that a decrease in internal pressure due to combustion may occur.
- the air intake unit 57 may be provided if there is a concern that a decrease in internal pressure due to combustion may occur.
- the combustion device Unlike the internal combustion engine, the combustion device dramatically improves combustion efficiency by using atomized fuel supplied from the ultrasonic fuel supply unit as a main fuel supply system or operating the device using only atomized fuel from start-up to normal operation. It can reduce the emission of harmful substances.
- using the atomized fuel supplied from the ultrasonic fuel supply device 1150 as the main fuel supply system may include supplying the fuel supplied from the main fuel tank 1110 (first fuel supply system). ) Ratio is 49% or less of the total fuel supply, and the ratio of the supply (second fuel supply system) of the atomized fuel through the ultrasonic fuel supply device 1150 is 51% or more of the total fuel supply.
- using the atomized fuel supplied from the ultrasonic fuel supply device 1150 as the main fuel supply system is to supply the fuel supplied from the main fuel tank 1110 (first fuel supply system). This means that the ratio is 19% or less of the total fuel supply and the ratio of the supply of fuel (second fuel supply system) atomized through the ultrasonic fuel supply device 1150 is 81% or more of the total fuel supply.
- operating the combustion device only with atomized fuel supplied from the ultrasonic fuel supply device 1150 blocks supply of fuel (first fuel supply system) supplied from the main fuel tank 1110. (0%) to supply only 100% of the total fuel supply to the atomized fuel (second fuel supply system) through the ultrasonic fuel supply device 1150.
- the combustion device may be configured to include a valve controller (a) when the atomized fuel is not properly supplied due to a failure of the ultrasonic fuel supply device 1150 during operation through the second fuel supply system in normal operation. And a safety device (not shown) for opening the valve 1160 through 1170 to allow fuel to be supplied from the main fuel tank 1110.
- the combustion apparatus further includes a switching device (not shown) including a plurality of ultrasonic fuel supply devices 1150 and capable of switching the ultrasonic fuel supply device 1150 in the event of a failure. .
- the internal combustion engine and the combustion using only the fuel atomized by using the ultrasonic vibrator and atomized fuel as the main fuel supply system or by atomizing the fuel through the ultrasonic vibrator An ultrasonic fuel supply device capable of driving the device can be provided.
- an ultrasonic fuel supply device as described above, by providing an internal combustion engine and a combustion device, it is possible to significantly increase fuel efficiency and thereby reduce various emissions of harmful substances.
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Abstract
Description
Claims (22)
- 연료 저장 공간 및 무화 공간을 포함하는 초음파 연료탱크;An ultrasonic fuel tank including a fuel storage space and an atomization space;외부의 주 연료탱크로부터 상기 초음파 연료탱크로 연료를 공급하기 위한 입력 파이프;An input pipe for supplying fuel from an external main fuel tank to the ultrasonic fuel tank;상기 입력 파이프와 상기 초음파 연료탱크 사이에 설치되어 상기 연료 저장 공간의 연료 저장량을 일정하게 유지시키도록 구성된 유량 조절 장치;A flow rate adjusting device installed between the input pipe and the ultrasonic fuel tank and configured to maintain a constant fuel storage amount of the fuel storage space;상기 초음파 연료 탱크의 하부에 설치되어 상기 연료 저장 공간에 저장된 연료를 무화시키기 위한 최소한 하나의 초음파 진동자;At least one ultrasonic vibrator installed under the ultrasonic fuel tank to atomize the fuel stored in the fuel storage space;상기 초음파 진동자를 구동하기 위한 초음파 진동자 컨트롤러;An ultrasonic vibrator controller for driving the ultrasonic vibrator;상기 초음파 진동자에 의해 무화된 상기 연료를 연료분사장치로 공급하기 위한 출력 파이프; 및An output pipe for supplying the fuel atomized by the ultrasonic vibrator to a fuel injection device; And상기 출력 파이프를 통해 무화된 상기 연료가 연료분사장치로 공급됨에 따라 내부 압력이 저하되면 개방되어 상기 초음파 연료탱크 내부로 공기를 주입하기 위한 공기 흡입부Air inlet for injecting air into the ultrasonic fuel tank is opened when the internal pressure is lowered as the atomized fuel is supplied to the fuel injection device through the output pipe를 구비하는 초음파 연료 공급 장치.Ultrasonic fuel supply device having a.
- 제1항에 있어서,The method of claim 1,상기 유량 조절 장치는, 상기 연료 저장 공간에 저장된 상기 연료의 유위를 검출하기 위한 유면계, 상기 입력 파이프와 상기 초음파 연료탱크 사이에 설치된 유량 조절 밸브, 및 상기 유면계가 검출한 유위에 따라 상기 유량 조절 밸브의 개방량을 조절하는 밸브 컨트롤러를 포함하는 초음파 연료 공급 장치.The flow rate adjusting device may be configured to adjust the flow rate according to a level gauge for detecting a level of the fuel stored in the fuel storage space, a flow rate regulating valve provided between the input pipe and the ultrasonic fuel tank, and a level level detected by the level gauge. Ultrasonic fuel supply device comprising a valve controller for adjusting the opening amount of the valve.
- 제1항에 있어서,The method of claim 1,상기 유량 조절 장치는, 상기 입력 파이프와 상기 초음파 연료탱크 사이에 연결되어 상기 초음파 연료탱크의 유위와 동일한 유위를 유지하도록 구성된 유량 제어용 연료탱크, 상기 유량 제어용 연료탱크의 유위를 검출하기 위한 유면계, 상기 입력 파이프와 상기 유량 제어용 연료탱크 사이에 설치된 밸브, 및 상기 유면계가 검출한 유위에 따라 상기 밸브의 개방량을 조절하는 밸브 컨트롤러를 포함하는 초음파 연료 공급 장치.The flow rate adjusting device may include a flow rate control fuel tank connected between the input pipe and the ultrasonic fuel tank and configured to maintain a flow level equal to that of the ultrasonic fuel tank, a level gauge for detecting a flow level of the flow control fuel tank; And a valve installed between the input pipe and the fuel tank for controlling the flow rate, and a valve controller for adjusting the opening amount of the valve according to the oil level detected by the oil level gauge.
- 제1항에 있어서,The method of claim 1,상기 공기 흡입부는, 상기 초음파 연료탱크의 벽면에 형성된 공기 흡입구, 상기 공기 흡입구를 상기 초음파 연료탱크의 내부에서 밀폐하기 위한 빨판, 및 상기 빨판이 상기 공기 흡입구를 밀폐하도록 탄성력을 제공하는 탄성 부재를 포함하고, 상기 초음파 연료탱크 내의 압력이 통상 압력일 때는 상기 탄성 부재의 탄성력에 의해 상기 빨판이 상기 흡입구를 밀폐하고, 상기 초음파 연료탱크 내의 압력이 통상 압력 이하로 내려가 이로 인한 내부 수축력이 상기 탄성 부재의 탄성력을 초과하면 상기 빨판이 당겨져 상기 공기 흡입구를 개방하도록 구성된 초음파 연료 공급 장치.The air intake unit may include an air intake formed on a wall of the ultrasonic fuel tank, a sucker for sealing the air intake in the ultrasonic fuel tank, and an elastic member providing an elastic force to seal the air intake. When the pressure in the ultrasonic fuel tank is a normal pressure, the sucker closes the suction port by the elastic force of the elastic member, and the pressure in the ultrasonic fuel tank drops below the normal pressure so that the internal shrinkage force of the elastic member is reduced. And when the elastic force is exceeded, the sucker is pulled to open the air inlet.
- 제1항에 있어서,The method of claim 1,상기 출력 파이프로부터 상기 초음파 연료탱크 내부로 연장되어 무화된 상기 연료의 고밀도 영역 내에 개구부를 갖는 출력 파이프 연장부를 더 포함하는 초음파 연료 공급 장치.And an output pipe extension portion extending from the output pipe into the ultrasonic fuel tank and having an opening in the high density region of the atomized fuel.
- 제5항에 있어서,The method of claim 5,상기 출력 파이프 연장부는, 상기 개구부가 나팔 모양으로 벌어진 깔때기 형상으로 형성된 초음파 연료 공급 장치.The output pipe extension, the ultrasonic fuel supply device formed in a funnel shape, the opening is flared.
- 연료를 저장하기 위한 주 연료탱크;A main fuel tank for storing fuel;상기 주 연료탱크에 연결되어 연료를 공급하기 위한 연료펌프;A fuel pump connected to the main fuel tank to supply fuel;제1항에서 제6항 중 어느 한 항에 따른 초음파 연료 공급 장치; 및Ultrasonic fuel supply device according to any one of claims 1 to 6; And상기 연료펌프 및 상기 초음파 연료 공급 장치로부터 공급되는 연료를 실린더실로 공급하기 위한 연료분사장치A fuel injection device for supplying fuel supplied from the fuel pump and the ultrasonic fuel supply device to a cylinder chamber;를 구비하는 내연기관.Internal combustion engine having a.
- 제7항에 있어서,The method of claim 7, wherein일상적으로 사용하는 회전수 구간에서, 상기 초음파 연료 공급 장치로부터 공급되는 무화된 연료를 주 연료 공급 계통으로 사용하여 구동 가능한 내연기관.An internal combustion engine which can be driven by using atomized fuel supplied from the ultrasonic fuel supply device as a main fuel supply system at a rotational speed section which is used daily.
- 제8항에 있어서,The method of claim 8,상기 주 연료 공급 계통에 있어서, 상기 연료 펌프를 통해 공급되는 연료의 공급 비율이 총 연료 공급의 49% 이하이고 상기 초음파 연료 공급 장치로부터 공급되는 무화된 연료의 공급 비율이 총 연료 공급의 51% 이상인 내연기관.In the main fuel supply system, the supply ratio of fuel supplied through the fuel pump is 49% or less of the total fuel supply and the supply ratio of atomized fuel supplied from the ultrasonic fuel supply device is 51% or more of the total fuel supply. Internal combustion engine.
- 제8항에 있어서,The method of claim 8,상기 주 연료 공급 계통에 있어서, 상기 연료 펌프를 통해 공급되는 연료의 공급 비율이 총 연료 공급의 19% 이하이고 상기 초음파 연료 공급 장치로부터 공급되는 무화된 연료의 공급 비율이 총 연료 공급의 81% 이상인 내연기관.In the main fuel supply system, the supply ratio of fuel supplied through the fuel pump is 19% or less of the total fuel supply, and the supply ratio of atomized fuel supplied from the ultrasonic fuel supply device is 81% or more of the total fuel supply. Internal combustion engine.
- 제8항에 있어서,The method of claim 8,일상적으로 사용하는 회전수 구간에서, 상기 초음파 연료 공급 장치로부터 공급되는 무화된 연료만으로 구동 가능한 내연기관.An internal combustion engine that can be driven only with atomized fuel supplied from the ultrasonic fuel supply device in a rotational speed section that is commonly used.
- 연료 저장 공간 및 무화 공간을 포함하는 초음파 연료탱크;An ultrasonic fuel tank including a fuel storage space and an atomization space;외부의 주 연료탱크로부터 상기 초음파 연료탱크로 연료를 공급하기 위한 입력 파이프;An input pipe for supplying fuel from an external main fuel tank to the ultrasonic fuel tank;상기 입력 파이프와 상기 초음파 연료탱크 사이에 설치되어 상기 연료 저장 공간의 연료 저장량을 일정하게 유지시키도록 구성된 유량 조절 장치;A flow rate adjusting device installed between the input pipe and the ultrasonic fuel tank and configured to maintain a constant fuel storage amount of the fuel storage space;상기 초음파 연료 탱크의 하부에 설치되어 상기 연료 저장 공간에 저장된 연료를 무화시키기 위한 최소한 하나의 초음파 진동자;At least one ultrasonic vibrator installed under the ultrasonic fuel tank to atomize the fuel stored in the fuel storage space;상기 초음파 진동자를 구동하기 위한 초음파 진동자 컨트롤러; 및An ultrasonic vibrator controller for driving the ultrasonic vibrator; And상기 초음파 진동자에 의해 무화된 상기 연료를 연료분사장치로 공급하기 위한 출력 파이프An output pipe for supplying the fuel atomized by the ultrasonic vibrator to a fuel injection device;를 구비하는 초음파 연료 공급 장치.Ultrasonic fuel supply device having a.
- 제12항에 있어서,The method of claim 12,상기 유량 조절 장치는, 상기 연료 저장 공간에 저장된 상기 연료의 유위를 검출하기 위한 유면계, 상기 입력 파이프와 상기 초음파 연료탱크 사이에 설치된 유량 조절 밸브, 및 상기 유면계가 검출한 유위에 따라 상기 유량 조절 밸브의 개방량을 조절하는 밸브 컨트롤러를 포함하는 초음파 연료 공급 장치.The flow rate adjusting device may be configured to adjust the flow rate according to a level gauge for detecting a level of the fuel stored in the fuel storage space, a flow rate regulating valve provided between the input pipe and the ultrasonic fuel tank, and a level level detected by the level gauge. Ultrasonic fuel supply device comprising a valve controller for adjusting the opening amount of the valve.
- 제12항에 있어서,The method of claim 12,상기 유량 조절 장치는, 상기 입력 파이프와 상기 초음파 연료탱크 사이에 연결되어 상기 초음파 연료탱크의 유위와 동일한 유위를 유지하도록 구성된 유량 제어용 연료탱크, 상기 유량 제어용 연료탱크의 유위를 검출하기 위한 유면계, 상기 입력 파이프와 상기 유량 제어용 연료탱크 사이에 설치된 밸브, 및 상기 유면계가 검출한 유위에 따라 상기 밸브의 개방량을 조절하는 밸브 컨트롤러를 포함하는 초음파 연료 공급 장치.The flow rate adjusting device may include a flow rate control fuel tank connected between the input pipe and the ultrasonic fuel tank and configured to maintain a flow level equal to that of the ultrasonic fuel tank, a level gauge for detecting a flow level of the flow control fuel tank; And a valve installed between the input pipe and the fuel tank for controlling the flow rate, and a valve controller for adjusting the opening amount of the valve according to the oil level detected by the oil level gauge.
- 제12항에 있어서,The method of claim 12,상기 출력 파이프를 통해 무화된 상기 연료가 연료분사장치로 공급됨에 따라 내부 압력이 저하되면 개방되어 상기 초음파 연료탱크 내부로 공기를 주입하기 위한 공기 흡입부를 더 구비하고,Further provided with an air inlet for opening the air into the ultrasonic fuel tank when the internal pressure is lowered as the atomized fuel is supplied to the fuel injection device through the output pipe,상기 공기 흡입부는, 상기 초음파 연료탱크의 벽면에 형성된 공기 흡입구, 상기 공기 흡입구를 상기 초음파 연료탱크의 내부에서 밀폐하기 위한 빨판, 및 상기 빨판이 상기 공기 흡입구를 밀폐하도록 탄성력을 제공하는 탄성 부재를 포함하고, 상기 초음파 연료탱크 내의 압력이 통상 압력일 때는 상기 탄성 부재의 탄성력에 의해 상기 빨판이 상기 흡입구를 밀폐하고, 상기 초음파 연료탱크 내의 압력이 통상 압력 이하로 내려가 이로 인한 내부 수축력이 상기 탄성 부재의 탄성력을 초과하면 상기 빨판이 당겨져 상기 공기 흡입구를 개방하도록 구성된 초음파 연료 공급 장치.The air intake unit may include an air intake formed on a wall of the ultrasonic fuel tank, a sucker for sealing the air intake in the ultrasonic fuel tank, and an elastic member providing an elastic force to seal the air intake. When the pressure in the ultrasonic fuel tank is a normal pressure, the sucker closes the suction port by the elastic force of the elastic member, and the pressure in the ultrasonic fuel tank drops below the normal pressure so that the internal shrinkage force of the elastic member is reduced. And when the elastic force is exceeded, the sucker is pulled to open the air inlet.
- 제12항에 있어서,The method of claim 12,상기 출력 파이프로부터 상기 초음파 연료탱크 내부로 연장되어 무화된 상기 연료의 고밀도 영역 내에 개구부를 갖는 출력 파이프 연장부를 더 포함하는 초음파 연료 공급 장치.And an output pipe extension portion extending from the output pipe into the ultrasonic fuel tank and having an opening in the high density region of the atomized fuel.
- 제16항에 있어서,The method of claim 16,상기 출력 파이프 연장부는, 상기 개구부가 나팔 모양으로 벌어진 깔때기 형상으로 형성된 초음파 연료 공급 장치.The output pipe extension, the ultrasonic fuel supply device formed in a funnel shape, the opening is flared.
- 연료를 저장하기 위한 주 연료탱크;A main fuel tank for storing fuel;제12항에서 제17항 중 어느 한 항에 따른 초음파 연료 공급 장치; 및An ultrasonic fuel supply device according to any one of claims 12 to 17; And상기 주 연료탱크 및 상기 초음파 연료 공급 장치로부터 공급되는 연료를 연소실로 공급하기 위한 연료분사장치A fuel injection device for supplying fuel supplied from the main fuel tank and the ultrasonic fuel supply device to a combustion chamber;를 구비하는 연소장치.Combustion apparatus having a.
- 제18항에 있어서,The method of claim 18,정상 운전 상태에서, 상기 초음파 연료 공급 장치로부터 공급되는 무화된 연료를 주 연료 공급 계통으로 사용하여 운전 가능한 연소장치.And a combustion apparatus operable by using atomized fuel supplied from the ultrasonic fuel supply device as a main fuel supply system in a normal operation state.
- 제19항에 있어서,The method of claim 19,상기 주 연료 공급 계통에 있어서, 상기 주 연료탱크로부터 공급되는 연료의 공급 비율이 총 연료 공급의 49% 이하이고 상기 초음파 연료 공급 장치로부터 공급되는 무화된 연료의 공급 비율이 총 연료 공급의 51% 이상인 연소장치.In the main fuel supply system, the supply ratio of fuel supplied from the main fuel tank is 49% or less of the total fuel supply, and the supply ratio of atomized fuel supplied from the ultrasonic fuel supply device is 51% or more of the total fuel supply. Combustion device.
- 제19항에 있어서,The method of claim 19,상기 주 연료 공급 계통에 있어서, 상기 주 연료탱크로부터 공급되는 연료의 공급 비율이 총 연료 공급의 19% 이하이고 상기 초음파 연료 공급 장치로부터 공급되는 무화된 연료의 공급 비율이 총 연료 공급의 81% 이상인 연소장치.In the main fuel supply system, the supply ratio of fuel supplied from the main fuel tank is 19% or less of the total fuel supply, and the supply ratio of atomized fuel supplied from the ultrasonic fuel supply device is 81% or more of the total fuel supply. Combustion device.
- 제19항에 있어서,The method of claim 19,정상 운전 상태에서, 상기 초음파 연료 공급 장치로부터 공급되는 무화된 연료만으로 운전 가능한 연소장치.A combustion apparatus operable with only atomized fuel supplied from the ultrasonic fuel supply apparatus in a normal operating state.
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