Exhaust pipe device of marine internal combustion engine generator

By using flexible hose or rubber pipe made of soft materials, the problems of high cost and difficult design of marine engine exhaust pipes are solved, and a more economical, stable and safe exhaust pipe design is achieved, extending the service life of the equipment .

CN222296342UActive Publication Date: 2025-01-03TAIZHOU KEHUA MARINE TECH CO LTD +1
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Patent Information

Application Number
CN202420400282.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-02
Publication Date
2025-01-03
Estimated Expiration
2034-03-02

AI Technical Summary

Technical Problem

The existing marine multi-cylinder engine exhaust pipes are made of rigid materials, which are costly and difficult to design, especially the increased difficulty in designing and casting of water-cooled exhaust manifolds.

Method used

Exhaust pipes and exhaust manifolds are made of flexible hoses or rubber pipes made of soft materials, reducing exhaust temperatures through water-cooled mixed exhaust elbows, simplifying design and production processes.

Benefits of technology

Reduces cost and design difficulty, improves convenience and reliability of use, and extends the working life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an exhaust pipe device of a marine internal combustion engine generator, which comprises an internal combustion engine and a generator, and the internal combustion engine comprises a water inlet pipe and an exhaust pipe; the exhaust pipe is arranged at the bottom of the internal combustion engine, the exhaust pipe comprises a first exhaust manifold, and the exhaust pipe is connected with the motor through the first exhaust manifold; the exhaust pipe and the first exhaust manifold are made of soft materials. The exhaust pipe and the first exhaust manifold are made of high-temperature-resistant silica gel pipes or high-temperature-resistant rubber pipes. The exhaust pipe device of the marine internal combustion engine generator is high in practicability, more reasonable in structure, lower in cost, convenient to use, safe and reliable.
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Description

Technical Field

[0001] The utility model relates to the technical field of marine generators, in particular to an exhaust pipe device for a marine internal combustion generator. Background Art

[0002] Existing exhaust pipes of multi-cylinder marine engines are made of rigid materials and need to be cast by using mold steel or lost foam casting, which is costly and difficult to design. Especially for water-cooled exhaust manifolds of multi-cylinder marine engines, it is necessary to design an inner water-cooling interlayer, which greatly increases the difficulty of design and casting.

[0003] Therefore, in order to simplify the exhaust pipe of a multi-cylinder marine engine, the applicant has invented a multi-cylinder engine exhaust pipe made of a novel flexible rubber hose. Utility Model Content

[0004] The main purpose of the utility model is to provide a marine internal combustion generator exhaust pipe device which has strong practicability, more reasonable structure, reduced cost, convenient use, safety and reliability.

[0005] To achieve the above-mentioned purpose, the utility model proposes an exhaust pipe device for a marine internal combustion generator, comprising an internal combustion engine and a generator, wherein the internal combustion engine comprises a water inlet pipe and an exhaust pipe; the exhaust pipe is arranged at the bottom of the internal combustion engine, and the exhaust pipe comprises a first exhaust manifold, and the exhaust pipe is connected to the motor through the first exhaust manifold; the exhaust pipe and the first exhaust manifold are made of soft material.

[0006] Optionally, the exhaust pipe and the first exhaust manifold are made of high temperature resistant silicone tube.

[0007] Optionally, the exhaust pipe and the first exhaust manifold are made of high temperature resistant rubber tubes.

[0008] Optionally, a second exhaust manifold is arranged on the top of the internal combustion engine.

[0009] Optionally, the motor includes a motor cover.

[0010] Optionally, a flywheel cover of the internal combustion engine is arranged on one side of the internal combustion engine.

[0011] Optionally, a base is provided at the bottom of the internal combustion engine.

[0012] Optionally, a radiator support seat and a water pump bracket are provided on the base.

[0013] Optionally, a shock absorbing plate is provided at the bottom of the base.

[0014] The beneficial technical effect of the utility model is as follows: the utility model is a marine internal combustion generator exhaust pipe device, comprising an internal combustion engine and a generator, the internal combustion engine comprising a water inlet pipe and an exhaust pipe; the exhaust pipe is arranged at the bottom of the internal combustion engine, the exhaust pipe comprises a first exhaust manifold, and the exhaust pipe is connected to the motor through the first exhaust manifold; the exhaust pipe and the first exhaust manifold are made of soft material.

[0015] Through the above-mentioned structural setting, the use of the utility model is more reasonable, the cost is greatly reduced, and the use is more convenient;

[0016] The bottom of the utility model comprises a base and a shock-absorbing plate, which is more reliable and stable to use, prolongs the working life of the utility model, and is suitable for universal promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0018] Figure 1 This is a structural schematic diagram of an embodiment of an exhaust pipe device for a marine internal combustion generator of the utility model;

[0019] Figure 2 The utility model is a disassembled schematic diagram of an exhaust pipe device for a marine internal combustion generator according to an embodiment of the present invention.

[0020] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0023] In the present invention, unless otherwise clearly defined and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0025] The utility model provides an exhaust pipe device for a marine internal combustion generator.

[0026] Example 1

[0027] Reference Figure 1 , Figure 2 In one embodiment of the utility model, a marine internal combustion generator exhaust pipe device includes an internal combustion engine 10 and a generator 20, wherein the internal combustion engine 10 includes a water inlet pipe 12 and an exhaust pipe 14; the exhaust pipe 14 is arranged at the bottom of the internal combustion engine 10, and the exhaust pipe 14 includes a first exhaust manifold 141, and the exhaust pipe 14 is connected to the motor 20 through the first exhaust manifold 141; the exhaust pipe 14 and the first exhaust manifold 141 are made of soft material.

[0028] In this embodiment, preferably, the internal combustion engine 10 includes a diesel engine or a gasoline engine.

[0029] In this embodiment, the exhaust pipe of the existing marine multi-cylinder engine is made of rigid material, and needs to be cast by using mold steel or lost foam casting, which is costly and difficult to design. Especially for the water-cooled exhaust pipe of the multi-cylinder marine engine, it is necessary to design an inner water-cooled interlayer, which greatly increases the design difficulty and casting difficulty. Therefore, in order to simplify the exhaust manifold of the multi-cylinder marine engine, the applicant invented a multi-cylinder engine exhaust manifold made of a new flexible hose.

[0030] The utility model can mix the high-temperature exhaust gas and the cooling seawater through a water-cooled mixed exhaust elbow at the exhaust port (not shown in the figure) of the marine engine, and the exhaust pipe 14 is connected to the internal combustion engine 10 through the exhaust port; thereby, the exhaust temperature of the internal combustion engine 10 is greatly reduced, and the temperature is controlled to be between 50-80°C, so that it is possible to use a flexible hose for the exhaust pipe 14.

[0031] See also Figure 1 , Figure 2 The exhaust pipe 14 of the utility model also includes a first exhaust manifold 141. A second exhaust elbow (not shown) can be provided on the motor 20. One end of the first exhaust manifold 141 is connected to the second exhaust elbow, and the other end is connected to the exhaust pipe 14. The exhaust pipe 14 is arranged at the bottom of the internal combustion engine 10 for collective connection, and then becomes an exhaust main pipe to be discharged outside the ship.

[0032] In this embodiment, the exhaust pipe 14 and the exhaust pipe 14 are made of soft materials, so the production is relatively simple. It only needs to use steel pipes to weld to make a molding mold, and then use silicone and cloth to wrap the coating on the steel pipe, which greatly reduces the cost.

[0033] In this embodiment, further, preferably, the exhaust pipe 14 and the first exhaust manifold 141 are made of high temperature resistant silicone tubes.

[0034] In this embodiment, further, preferably, the exhaust pipe 14 and the first exhaust manifold 141 are made of high temperature resistant rubber tubes.

[0035] According to actual conditions, the exhaust pipe 14 and the first exhaust manifold 141 may be made of other soft materials.

[0036] In this embodiment, preferably, a second exhaust manifold 11 is provided on the top of the internal combustion engine 10. The second exhaust manifold 11 can also be made of soft material, which greatly facilitates the practical application of the utility model.

[0037] In this embodiment, preferably, the internal combustion engine 10 includes a motor shaft 13, and the motor 20 is connected to the internal combustion engine 10 through the motor shaft 13; the motor 20 includes a motor cover 21, and the motor cover 21 is arranged on one side of the motor 20. The motor cover 21 is used to protect the motor 20, thereby greatly extending the service life of the motor 20.

[0038] In this embodiment, preferably, an internal combustion engine flywheel cover 40 is provided on one side of the internal combustion engine 10. One side of the internal combustion engine 10 includes a flywheel (not shown). The internal combustion engine flywheel cover 40 is used to protect the flywheel, thereby greatly extending the service life of the internal combustion engine 10.

[0039] See also Figure 2 In this embodiment, preferably, a base 30 is provided at the bottom of the internal combustion engine 10. The internal combustion engine 10 is provided on the base 30, so that the utility model is more stable, reliable and safer to use.

[0040] In this embodiment, further, preferably, a radiator support seat 31 and a water pump support 32 are provided on the base 30. In this embodiment, a radiator can be provided on the radiator support seat 31, and the radiator is used to dissipate heat for the utility model; the water pump support 32 can be provided with a water pump, and the water pump is used to fill water for the utility model, thereby increasing the function of the utility model and making the use of the utility model more convenient.

[0041] In this embodiment, further, preferably, a damping plate is provided at the bottom of the base 300. The damping plate includes a first damping plate 331 and a second damping plate 332, which are provided at both sides of the bottom of the base to support the base 30; the damping plate is provided to not only damp the motor 20, but also make the use of the utility model more stable and reliable.

[0042] The utility model has reasonable structure and strong practicability, greatly reduces the cost, is more convenient, stable and safe to use, and greatly prolongs the working life of the utility model.

[0043] The above description is only an optional embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A marine internal combustion generator exhaust pipe device, comprising an internal combustion engine and a generator, wherein the internal combustion engine comprises a water inlet pipe and an exhaust pipe; characterized in that: The exhaust pipe is arranged at the bottom of the internal combustion engine, and the exhaust pipe includes a first exhaust manifold. The exhaust pipe is connected to the motor through the first exhaust manifold; the exhaust pipe and the first exhaust manifold are made of soft materials.

2. The exhaust pipe device for a marine internal combustion generator according to claim 1, characterized in that: The exhaust pipe and the first exhaust manifold are made of high temperature resistant silicone tubes.

3. The exhaust pipe device for a marine internal combustion generator according to claim 1, characterized in that: The exhaust pipe and the first exhaust manifold are made of high temperature resistant rubber tubes.

4. The exhaust pipe device for a marine internal combustion generator according to claim 3, characterized in that: A second exhaust manifold is arranged on the top of the internal combustion engine.

5. The exhaust pipe device for a marine internal combustion generator according to claim 4, characterized in that: The motor includes a motor cover.

6. The exhaust pipe device for a marine internal combustion generator according to claim 5, characterized in that: The internal combustion engine flywheel cover is arranged on one side of the internal combustion engine.

7. The exhaust pipe device for a marine internal combustion generator according to claim 6, characterized in that: A base is arranged at the bottom of the internal combustion engine.

8. The exhaust pipe device for a marine internal combustion generator according to claim 7, characterized in that: A radiator support seat and a water pump bracket are arranged on the base.

9. The exhaust pipe device for a marine internal combustion generator according to claim 7, characterized in that: A shock absorbing plate is arranged at the bottom of the base.