Integrated combustion chamber of diesel generating set

By designing a piston protrusion arc surface in the combustion chamber of the diesel generator set to guide the mixing of diesel gas and air, using a cylinder head protrusion ring for sealing, an exhaust seal block to guide exhaust gas, an oil guide pipe to guide oil mist, and an intake shroud to store debris, the problem of carbon deposits caused by uneven oil mist mixing is solved, combustion efficiency and sealing performance are improved, and stable operation of the unit is ensured.

CN121066705APending Publication Date: 2025-12-05JIANGSU KAICHEN POWER EQUIP CO LTD
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Patent Information

Application Number
CN202511311326.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-15
Publication Date
2025-12-05

AI Technical Summary

Technical Problem

Incomplete combustion of fuel mist and air in the combustion chamber of a diesel generator set leads to incomplete combustion, resulting in carbon deposits and affecting the operation of the unit.

Method used

An integrated diesel generator set combustion chamber was designed. The diesel gas is guided by the raised arc surface at the center of the piston top, so that it can be fully mixed with air. The combustion chamber sealing is improved by the raised ring and sealing gasket ring of the cylinder head. The exhaust block guides the exhaust gas, the oil guide pipe guides the oil mist, and the intake shroud stores debris to avoid uneven mixing and carbon deposits.

Benefits of technology

This achieves thorough mixing of diesel and air, reduces carbon deposits, improves combustion efficiency and combustion chamber sealing, avoids exhaust pipe blockage, and ensures stable unit operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an integrated combustion chamber of a diesel generating set, and relates to the technical field of diesel engines. When oil mist and air are not uniformly mixed, the phenomenon that the oil mist cannot be fully combusted during combustion occurs, and a large amount of carbon deposit occurs in the combustion chamber, according to the combustion chamber of the integrated diesel generating set, through cooperation of the protruding cambered surface at the center of the top of the piston and the cambered surface at the edge of the piston, when diesel oil is injected after the air is guided in, the combustion efficiency is improved, and the combustion efficiency is improved. The spraying direction of diesel oil corresponds to the center position of the top of the piston, the diesel oil is matched with upward movement of the piston when the diesel oil gas impacts downwards, the gas is guided through the protruding cambered surface, the diesel oil gas is diffused all around and fully mixed with air, and the situation that combustion is insufficient and carbon deposition is serious at the combustion position due to uneven mixing of the diesel oil is avoided.
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Description

Technical Field

[0001] This invention relates to the field of diesel engine technology, specifically to an integrated diesel generator set combustion chamber. Background Technology

[0002] An integrated diesel generator set is a power generation device that integrates a diesel engine, generator, control system and other auxiliary equipment into a compact space. It consists of a diesel engine and a generator. The diesel engine is the power source of the entire unit. It converts chemical energy into mechanical energy by burning diesel fuel. It usually adopts a four-stroke cycle, namely intake, compression, power, and exhaust processes to generate power. The generator, driven by the diesel engine, converts mechanical energy into electrical energy based on the principle of electromagnetic induction. The combustion chamber of the diesel generator set is the space where fuel and compressed air are mixed and burned. Its design directly affects combustion efficiency, power output and emission performance.

[0003] When a diesel generator is working, oil mist mixes with air in the combustion chamber and then burns. However, when the oil mist and air are not mixed evenly, the oil mist will not burn completely, resulting in a large amount of carbon deposits in the combustion chamber, which will affect the operation of the diesel generator. Summary of the Invention

[0004] To achieve the above objectives, the present invention provides the following technical solution:

[0005] An integrated diesel generator set combustion chamber includes:

[0006] The cylinder block has cylinder liner grooves evenly distributed on its top, and an inner cylinder liner is engaged at each of the cylinder liner grooves.

[0007] A cylinder head mechanism is installed on the top of the cylinder block, and the cylinder head mechanism corresponds one-to-one with the inner cylinder liner;

[0008] An air guide mechanism is installed inside the cylinder head mechanism. An injector is fixedly installed on the top of the cylinder head mechanism, and the bottom end of the injector passes through the cylinder head mechanism and extends into its interior.

[0009] A piston is slidably mounted on the inner wall of the inner cylinder liner. A connecting plate is fixedly mounted on the bottom of the piston. The connecting plate is symmetrically mounted along the center of the piston's axis, and a circular groove is formed on the outer side of the connecting plate. An arc groove is formed on the opposite side of the circular groove of the connecting plate. An annular oil groove is uniformly formed on the outer side of the piston, and an annular groove is formed on the outer side of the piston, with the annular groove located above the annular oil groove. A sealing ring is engaged at the annular groove of the piston. An arc groove is formed on the top of the piston, and the top of the piston has a centrally protruding arc surface. Through the centrally protruding arc surface of the piston top, the arc surface at the edge of the piston... In conjunction with the introduction of air and the injection of diesel fuel, the diesel fuel injection direction corresponds to the center position of the piston top. When the diesel fuel gas impacts downwards, it works in conjunction with the upward movement of the piston. The convex arc surface guides the gas, allowing the diesel fuel gas to diffuse in all directions and mix thoroughly with the air. This avoids uneven mixing of diesel fuel, which can lead to incomplete combustion and severe carbon buildup at the combustion site. At the same time, the arc shape of the piston position, during reciprocating motion, provides a storage location for the carbon deposits when the arc surface at the edge comes into contact with the attached carbon deposits. Furthermore, the center position of the piston top is lower than the edge position, and the edge position of the piston is symmetrically equipped with arc surfaces.

[0010] Preferably, the cylinder head mechanism includes a cylinder head with perforated plates evenly distributed on its outer side. The cylinder head is fixedly mounted on the top of the cylinder block by bolts, and a through groove is formed at the center of the top of the cylinder head. The fuel injector is fixedly mounted in the through groove on the top of the cylinder head. An annular groove is formed at the bottom of the cylinder head, and a sealing gasket is fixedly installed in the annular groove. The bottom of the sealing gasket is tightly fitted to the top of the cylinder block. A convex ring is provided at the bottom of the cylinder head. Through the cooperation between the convex ring and the sealing gasket, and the tight fit between the outer side of the convex ring and the top of the inner wall of the inner cylinder liner, the position of the convex ring is restricted, ensuring the accuracy of the installation position. At the same time, it increases the tortuosity of the clearance path between the combustion chamber and the outside. Combined with the tight fit between the sealing gasket and the cylinder block, it improves the sealing effect of the combustion chamber, and the outer side of the convex ring is tightly fitted to the top of the inner wall of the inner cylinder liner.

[0011] Preferably, the top of the cylinder head is symmetrically provided with sliding grooves, and sliding blocks are fixedly installed in the sliding grooves of the cylinder head. Sliding rods are slidably installed on the inner walls of the sliding blocks. A disc is provided on the top of each sliding rod, and a spring is fixedly installed between the disc and the sliding block. The bottom end of the sliding rod extends to the inner wall of the cylinder head. An intake seal block is fixedly installed at the bottom end of one sliding rod, and an exhaust seal block is fixedly installed at the bottom end of the other sliding rod. The top of the intake seal block is a conical surface with a central protrusion. The outer diameter of the exhaust seal block gradually decreases from top to bottom. By changing the outer diameter of the exhaust seal block, the conical shape of the exhaust seal block guides the gas during exhaust, allowing the exhaust gas that needs to enter the exhaust pipe to flow along the surface of the conical seal block. At the same time, carbon deposits in the exhaust gas adhere to the surface of the exhaust seal block, preventing blockage of the exhaust pipe. The outer sides of both the exhaust seal block and the intake seal block are tightly fitted with the sliding grooves of the cylinder head.

[0012] Preferably, the air guiding mechanism includes an intake pipe and an exhaust pipe, both of which are fixedly installed on the inner wall of the cylinder head. The ends of the intake pipe and the exhaust pipe near the cylinder head penetrate the cylinder head and extend into its interior. The intake pipe is located above the intake seal block, and the exhaust pipe is located above the exhaust seal block. An oil guide pipe is fixedly installed on the inner wall of the cylinder head, and the oil guide pipe is located directly above the piston.

[0013] Preferably, a guide groove is formed at the center of the bottom of the oil guide pipe. This guide groove, in conjunction with the piston, guides the sprayed oil mist during injection, directing it towards the center of the piston top. This, combined with the characteristics of the piston top, ensures thorough mixing of the oil mist with air, guaranteeing complete combustion and preventing uneven mixing that could lead to severe carbon buildup. Furthermore, an intake hood and an exhaust hood are fixedly installed on the outside of the oil guide pipe. The intake hood is located near the intake pipe, and the exhaust hood is located near the exhaust pipe. The bottom of the exhaust hood has an arc-shaped groove. An arc-shaped groove is provided on the inner wall near the oil guide pipe, and an inner retaining ring is fixedly installed at the arc-shaped groove on the inner wall of the air intake shroud. The inner retaining ring cooperates with the air intake shroud, and the arc-shaped groove on the inner wall of the air intake shroud near the oil guide pipe provides storage space for impurities in the air. When air is introduced into the air intake shroud, the impurities are carried into the arc-shaped groove by the air flow. At the same time, the inner retaining ring cooperates with the air intake shroud to block the air and avoid affecting the storage of impurities at the arc-shaped groove. A guide groove is provided on the bottom of the air intake shroud away from the oil guide pipe.

[0014] This invention provides an integrated combustion chamber for a diesel generator set. It offers the following advantages:

[0015] 1. The combustion chamber of this integrated diesel generator set utilizes the convex arc surface at the center of the piston top and the arc surface at the piston edge. When diesel is injected after air is introduced, the diesel injection direction corresponds to the center of the piston top. When the diesel gas impacts downwards, it cooperates with the upward movement of the piston. The convex arc surface guides the gas, allowing the diesel gas to diffuse in all directions and mix thoroughly with the air. This avoids uneven mixing of diesel and incomplete combustion, which can lead to severe carbon buildup at the combustion site. At the same time, the arc shape of the piston position, during reciprocating motion, provides a storage location for the carbon deposits when the arc surface at the edge comes into contact with the attached carbon deposits.

[0016] Second, the combustion chamber of this integrated diesel generator set, through the cooperation of the convex ring of the cylinder head and the sealing gasket ring, utilizes the tight fit between the outer side of the convex ring and the top of the inner wall of the inner cylinder liner to restrict the position of the inner cylinder liner, ensuring the accuracy of the installation position, while improving the tortuosity of the clearance path between the combustion chamber and the outside world. Combined with the tight fit between the sealing gasket ring and the cylinder body, the sealing effect of the combustion chamber is improved.

[0017] Third, the combustion chamber of this integrated diesel generator set, through the change of the outer diameter of the exhaust seal, guides the gas during exhaust by utilizing the conical shape of the exhaust seal, so that the exhaust gas that needs to enter the exhaust pipe flows along the surface of the conical seal, while the carbon deposits in the exhaust gas adhere to the surface of the exhaust seal, thus avoiding blockage of the exhaust pipe.

[0018] Fourth, the combustion chamber of this integrated diesel generator set, through the guide groove of the oil guide pipe and its cooperation with the piston, guides the injected oil mist during injection, directing the oil mist towards the center position of the piston top. Combined with the characteristics of the piston top, this ensures that the oil mist is fully mixed with air, guaranteeing complete combustion of the oil mist and avoiding uneven mixing that leads to severe carbon buildup.

[0019] 5. The combustion chamber of this integrated diesel generator set, through the cooperation of the inner baffle ring and the air intake shroud, utilizes the arc-shaped groove on the inner wall of the air intake shroud near the oil guide pipe to provide storage space for impurities in the air. When air is introduced into the air intake shroud, the impurities are carried into the arc-shaped groove by the air flow. At the same time, in cooperation with the inner baffle ring, the inner baffle ring blocks the air and avoids affecting the storage of impurities in the arc-shaped groove. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the combustion chamber of an integrated diesel generator set according to the present invention;

[0021] Figure 2 This is a cross-sectional view of the combustion chamber of an integrated diesel generator set according to the present invention;

[0022] Figure 3 This is a partial structural diagram of the combustion chamber of an integrated diesel generator set according to the present invention;

[0023] Figure 4 This is a partial sectional view of the combustion chamber of an integrated diesel generator set according to the present invention;

[0024] Figure 5 This is a schematic diagram of the piston structure of the present invention;

[0025] Figure 6 This is a sectional view of the piston structure of the present invention;

[0026] Figure 7 This is a schematic diagram of the cylinder head mechanism of the present invention;

[0027] Figure 8 This is a sectional view of the cylinder head mechanism of the present invention;

[0028] Figure 9 This is a cross-sectional view of the air guiding mechanism of the present invention.

[0029] In the diagram: 1. Cylinder block; 2. Cylinder head mechanism; 3. Air guide mechanism; 4. Injector; 5. Inner cylinder liner; 6. Piston; 7. Sealing ring; 8. Connecting plate; 21. Cylinder head; 22. Sliding hole block; 23. Sliding rod; 24. Spring; 25. Exhaust seal block; 26. Intake seal block; 27. Sealing gasket ring; 31. Intake pipe; 32. Exhaust pipe; 33. Intake shroud; 34. Exhaust shroud; 35. Inner retaining ring; 36. Oil guide pipe. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] First embodiment, such as Figures 1 to 6 As shown, the present invention provides a technical solution:

[0032] An integrated diesel generator set combustion chamber includes:

[0033] Cylinder body 1, cylinder liner grooves are evenly provided on the top of cylinder body 1, and inner cylinder liners 5 are snapped into the cylinder liner grooves of cylinder body 1.

[0034] Cylinder head mechanism 2 is installed on the top of cylinder block 1, and cylinder head mechanism 2 corresponds one-to-one with inner cylinder liner 5;

[0035] The air guide mechanism 3 is installed inside the cylinder head mechanism 2. The top of the cylinder head mechanism 2 is fixedly installed with an injector 4. The bottom end of the injector 4 passes through the cylinder head mechanism 2 and extends into its interior.

[0036] A piston 6 is slidably mounted on the inner wall of the inner cylinder liner 5. A connecting plate 8 is fixedly mounted on the bottom of the piston 6. The connecting plate 8 is symmetrically mounted along the center of the piston 6's axis. When the piston 6 moves, it slides on the inner wall of the inner cylinder liner 5, moving from top dead center to bottom dead center, drawing in air through the air guide mechanism 3. Subsequently, the piston 6 moves from bottom dead center to top dead center, compressing the air and raising its internal temperature. Simultaneously, the fuel injector 4 injects diesel fuel into the combustion chamber, allowing the diesel fuel and air to mix thoroughly. After the temperature reaches the diesel fuel's ignition point, the diesel fuel burns in the combustion chamber, generating pressure that pushes the piston 6 from top dead center to bottom dead center. Through the connecting rod connected by the connecting plate 8, mechanical energy is transmitted to the crankshaft. The outer side of the connecting plate 8 has a circular groove. Arc grooves are provided on the circular grooves on opposite sides of the receiving plate 8. Annular oil grooves are uniformly provided on the outer side of the piston 6, and an annular groove is provided on the outer side of the piston 6, with the annular groove located above the annular oil groove. A sealing ring 7 is engaged with the annular groove of the piston 6. During the compression of gas and the injection of diesel fuel, the protrusion at the center of the top of the piston 6 is used to guide the injected diesel fuel gas during compression, allowing it to diffuse outwards and fully mix with the internal air. An arc groove is provided on the top of the piston 6, and the top of the piston 6 has a centrally protruding arc surface, with the center of the top of the piston 6 lower than the edge. The edges of the piston 6 are symmetrically provided with arc surfaces.

[0037] The second embodiment is based on the first embodiment; please refer to [link / reference]. Figure 7 As shown, the cylinder head mechanism 2 includes a cylinder head 21. Perforated plates are evenly distributed on the outer side of the cylinder head 21. The cylinder head 21 is fixedly mounted on the top of the cylinder block 1 by bolts. A through groove is formed at the center of the top of the cylinder head 21. The fuel injector 4 is fixedly mounted in the through groove on the top of the cylinder head 21. An annular groove is formed at the bottom of the cylinder head 21. During gas intake and exhaust, the control system of the diesel generator controls the slide rod 23. When air is drawn in, the slide rod 23, connected to the intake seal block 26, moves downward, compressing the spring 24 and opening the guide at the bottom of the circular groove of the cylinder head 21. The air passage allows air to be introduced into the circular groove through the air guide mechanism 3. The piston 6 moves from top to bottom to draw in the air, causing it to move downwards along the circular groove and be introduced into the interior through the gap between the intake seal block 26 and the circular groove. Subsequently, during the compression of the air, the spring 24 rebounds, causing the intake seal block 26 to close the intake gap. A sealing gasket 27 is fixedly installed at the annular groove of the cylinder head 21. The bottom of the sealing gasket 27 is tightly fitted to the top of the cylinder body 1. A convex ring is provided at the bottom of the cylinder head 21, and the outer side of the convex ring is tightly fitted to the top of the inner wall of the inner cylinder liner 5.

[0038] The top of the cylinder head 21 is symmetrically provided with sliding grooves. Sliding blocks 22 are fixedly installed in each sliding groove of the cylinder head 21. Sliding rods 23 are slidably installed on the inner walls of each sliding block 22. A disc is provided on the top of each sliding rod 23, and a spring 24 is fixedly installed between the disc and the sliding block 22. The bottom end of each sliding rod 23 extends to the inner wall of the cylinder head 21. An intake seal block 26 is fixedly installed at the bottom end of one of the sliding rods 23. During exhaust, the other side is controlled by the diesel generator control system. The slide rod 23 drives the exhaust seal block 25 to open the exhaust gas outlet gap, so that the exhaust gas after combustion is pushed out by the piston 6 as it moves from the bottom dead center to the top dead center. The bottom end of the other slide rod 23 is fixedly installed with an exhaust seal block 25. The top of the intake seal block 26 is a conical surface with a central protrusion. The outer diameter of the exhaust seal block 25 gradually decreases from top to bottom. The outer sides of both the exhaust seal block 25 and the intake seal block 26 are tightly fitted with the sliding groove of the cylinder head 21.

[0039] The third embodiment is based on embodiments one and two; please refer to [link / reference]. Figures 8 to 9 As shown, the air guide mechanism 3 includes an intake pipe 31 and an exhaust pipe 32. Both the intake pipe 31 and the exhaust pipe 32 are fixedly installed on the inner wall of the cylinder head 21, and the ends of the intake pipe 31 and the exhaust pipe 32 near the cylinder head 21 pass through the cylinder head 21 and extend into its interior. The intake pipe 31 is located above the intake seal block 26, and the exhaust pipe 32 is located above the exhaust seal block 25. An oil guide pipe 36 is fixedly installed on the inner wall of the cylinder head 21. Through the cooperation of the intake shroud 33 and the intake pipe 31, during the intake process, the gas rushes into the interior of the intake shroud 33. Utilizing the arc-shaped groove of the intake shroud 33 and the cooperation of the inner baffle ring 35, when foreign objects rush in, the foreign objects are driven by the air to enter the arc-shaped groove position. The inner baffle ring 35 blocks the impact force of the subsequent air introduced on the foreign objects in the arc-shaped groove position. Subsequently, the air is introduced into the combustion chamber through the through groove position of the intake shroud 33. The oil guide pipe 36 is located directly above the piston 6.

[0040] A guide groove is provided at the center of the bottom of the oil guide pipe 36, and an air intake shroud 33 and an exhaust shroud 34 are fixedly installed on the outside of the oil guide pipe 36. The air intake shroud 33 is located on the side near the air intake pipe 31, and the exhaust shroud 34 is located on the side near the exhaust pipe 32. An arc-shaped groove is provided at the bottom of the exhaust shroud 34, and an arc-shaped groove is provided on the inner wall of the air intake shroud 33 near the oil guide pipe 36. During exhaust, the exhaust gas is squeezed by the piston 6 moving upward, and the exhaust gas outlet gap is opened, so that the exhaust gas passes through the guide groove of the exhaust shroud 34 and is introduced into the exhaust pipe 32 through the gap. The exhaust gas is then discharged outward through the exhaust pipe 32. An inner retaining ring 35 is fixedly installed at the arc-shaped groove on the inner wall of the air intake shroud 33, and a guide groove is provided on the bottom of the air intake shroud 33 away from the oil guide pipe 36.

[0041] When the diesel generator is working, it is connected to the fuel injector 4 through the diesel supply system and to the air guide mechanism 3 through the intake and exhaust systems. The diesel fuel is injected into the combustion chamber formed between the cylinder head mechanism 2, the inner cylinder liner 5 and the piston 6 through the fuel injector 4. During operation, the crankshaft is connected to the piston 6 through the connecting rod. The piston 6 compresses the air in the combustion chamber, which raises the temperature in the combustion chamber and causes the injected diesel fuel to burn. The impact force generated by the combustion pushes the piston 6 to slide inside the inner cylinder liner 5. The connecting rod drives the crankshaft to rotate and do work outward, so that the diesel generator works.

[0042] When piston 6 moves, it slides on the inner wall of cylinder liner 5, moving from top dead center to bottom dead center, drawing in air through the air guide mechanism 3. Then, piston 6 moves from bottom dead center to top dead center, compressing the air and raising the internal air temperature. At the same time, injector 4 injects diesel fuel into the combustion chamber, allowing the diesel fuel gas to mix fully with the air. After the temperature reaches the diesel fuel ignition point, the diesel fuel burns in the combustion chamber, generating pressure that pushes piston 6 from top dead center to bottom dead center. Through the connecting rod connected by connecting plate 8, mechanical energy is transmitted to the crankshaft. Simultaneously, during the compression of gas and the injection of diesel fuel, the protrusion at the center of the top of piston 6 is used to guide the injected diesel fuel gas during compression, causing it to diffuse outwards and mix fully with the internal air.

[0043] In cylinder head mechanism 2, during gas introduction and exhaust, the control system of the diesel generator controls slide rod 23. When air is drawn in, slide rod 23, which is connected to intake seal block 26, moves downward, compresses spring 24, and opens the passage at the bottom of the cylinder head 21 through groove, allowing air to be introduced into the through groove through guide mechanism 3. The piston 6 draws air from top to bottom, causing it to move downward along the through groove and be introduced into the interior through the gap between intake seal block 26 and through groove. Subsequently, during the compression of air, spring 24 rebounds, causing intake seal block 26 to close the intake gap. During exhaust, the control system of the diesel generator controls slide rod 23 on the other side, causing slide rod 23 to drive exhaust seal block 25, opening the exhaust gas outlet gap, allowing the exhaust gas after combustion to be discharged by the push of piston 6 as it moves from bottom dead center to top dead center.

[0044] In the air guiding mechanism 3, the intake hood 33 cooperates with the intake pipe 31. During the intake process, the gas rushes into the interior of the intake hood 33. The arc-shaped groove of the intake hood 33 cooperates with the inner baffle ring 35. When foreign objects rush into the gas, they are driven into the arc-shaped groove by the air. The inner baffle ring 35 blocks the impact of the subsequent air intake on the foreign objects in the arc-shaped groove. Then, the air is introduced into the combustion chamber through the through slot of the intake hood 33. During the exhaust process, the piston 6 moves upward and compresses the exhaust gas. With the opening of the exhaust gas outlet gap, the exhaust gas passes through the guide groove of the exhaust hood 34 and is introduced into the exhaust pipe 32 through the gap. The exhaust gas is then discharged outward through the exhaust pipe 32.

[0045] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0046] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An integrated diesel generator set combustion chamber, characterized by, Include: The cylinder (1), the top of the cylinder (1) is uniformly provided with cylinder sleeve groove, and the cylinder sleeve groove of the cylinder (1) is clamped with inner cylinder sleeve (5); Cylinder cover mechanism (2), the cylinder cover mechanism (2) is installed on the top of cylinder (1), and the cylinder cover mechanism (2) corresponds to the inner cylinder sleeve (5) one by one; Air guide mechanism (3), the air guide mechanism (3) is installed in the inside of cylinder cover mechanism (2), the top of the cylinder cover mechanism (2) is fixedly installed with oil injector (4), the bottom end of the oil injector (4) penetrates through the cylinder cover mechanism (2) and extends to its inside; The inner wall of the inner cylinder sleeve (5) is slidably installed with a piston (6), the bottom of the piston (6) is fixedly installed with a connecting plate (8), the connecting plate (8) is installed along the axis center position of the piston (6), and the outer side of the connecting plate (8) is provided with a circular groove, the opposite circular grooves of the connecting plate (8) are provided with arc grooves, the outer side of the piston (6) is uniformly provided with annular oil groove, and the outer side of the piston (6) is provided with annular groove, and the annular groove is located above the annular oil groove, the piston (6) is clamped with a sealing ring (7), the top of the piston (6) is provided with an arc groove, the top of the piston (6) is a convex arc surface at the center position, and the center position of the top of the piston (6) is lower than the edge position, and the edge position of the piston (6) is symmetrically provided with an arc surface.

2. An integrated diesel generator set combustion chamber as claimed in claim 1, characterized in that: The cylinder cover mechanism (2) includes cylinder cover (21), the outer side of the cylinder cover (21) is uniformly provided with hole plate, the cylinder cover (21) is fixedly installed on the top of the cylinder (1) through bolt, and the center position of the top of the cylinder cover (21) is provided with through groove, and the oil injector (4) is fixedly installed in the through groove of the top of the cylinder cover (21).

3. An integrated diesel generator set combustion chamber as claimed in claim 2, characterized in that: The bottom of the cylinder cover (21) is provided with annular groove, and the annular groove of the cylinder cover (21) is fixedly installed with sealing gasket ring (27), the bottom of the sealing gasket ring (27) is closely combined with the top of the cylinder (1), the bottom of the cylinder cover (21) is provided with convex ring, and the outer side of the convex ring is closely combined with the top of the inner wall of the inner cylinder sleeve (5).

4. An integrated diesel generator set combustion chamber as claimed in claim 3, characterized in that: The top of the cylinder cover (21) is symmetrically provided with sliding through groove, the sliding through groove of the cylinder cover (21) is fixedly installed with sliding hole block (22), the inner wall of the sliding hole block (22) is slidably installed with sliding rod (23), and the top of the sliding rod (23) is provided with disc, and the disc and the sliding hole block (22) are fixedly installed with spring (24).

5. An integrated diesel generator set combustion chamber as claimed in claim 4, characterised in that: The bottom end of the sliding rod (23) extends to the inner wall of the cylinder cover (21), the bottom end of one of the sliding rod (23) is fixedly installed with air inlet sealing block (26), and the bottom end of the other sliding rod (23) is fixedly installed with exhaust sealing block (25).

6. An integrated diesel generator set combustion chamber as claimed in claim 5, characterized in that: The top of the air inlet sealing block (26) is a conical surface protruding at the center position, the outer diameter of the exhaust sealing block (25) gradually decreases from top to bottom, and the outer side of the exhaust sealing block (25) and the air inlet sealing block (26) is closely combined with the sliding through groove of the cylinder cover (21).

7. An integrated diesel generator set combustion chamber as claimed in claim 6, characterised in that: The air guide mechanism (3) comprises an air inlet pipe (31) and an air outlet pipe (32), the air inlet pipe (31) and the air outlet pipe (32) are fixedly installed on the inner wall of the cylinder cover (21), and the air inlet pipe (31) and the air outlet pipe (32) are both penetrated through the cylinder cover (21) and extended to the inside of the cylinder cover (21).

8. An integrated diesel generator set combustion chamber as claimed in claim 7, characterized in that: The air inlet pipe (31) is located above the air inlet block (26), the air outlet pipe (32) is located above the air outlet block (25), the inner wall of the cylinder cover (21) is fixedly installed with an oil guide pipe (36), and the oil guide pipe (36) is located directly above the piston (6).

9. An integrated diesel generator set combustion chamber as claimed in claim 8, characterised in that: The bottom of the oil guide pipe (36) is provided with a guide groove at the center position, and the outer side of the oil guide pipe (36) is fixedly installed with an air inlet cover (33) and an air outlet cover (34), the air inlet cover (33) is close to one side of the air inlet pipe (31), and the air outlet cover (34) is close to one side of the air outlet pipe (32).

10. The integrated diesel generator set combustion chamber of claim 9, wherein: The bottom of the air outlet cover (34) is provided with an arc through groove, the inner wall of the air inlet cover (33) is provided with an arc-shaped groove close to the oil guide pipe (36), and the inner wall of the air inlet cover (33) is fixedly installed with an inner blocking ring (35) at the arc-shaped groove, and the bottom of the air inlet cover (33) is provided with a guide groove away from the oil guide pipe (36).

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