Automobile resonant cavity structure intake manifold

By designing the car's resonant cavity structure intake manifold and utilizing the structure of two balancing and stabilizing chambers, the problem of insufficient airflow stability of the traditional intake manifold at low speeds and torques has been solved, thereby improving airflow stability and reducing noise. effect.

CN222376609UActive Publication Date: 2025-01-21江苏科力达汽车零部件有限公司
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Patent Information

Application Number
CN202421106914.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-01-21
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

Traditional automobile intake manifolds lack airflow stability during low engine torque, resulting in increased design complexity and difficult to meet the reliable and stable needs of airflow.

Method used

Design an automobile resonant cavity structure intake manifold, which includes first and second pressure stabilizing chambers, connecting pipes, intake pipes and branch pipes. The stability of the air flow is improved through two balances, and the intake noise is absorbed and eliminated through the pressure stabilizing cavity.

Benefits of technology

The airflow stability is improved through two balancing steps, and the low-speed engine torque performance is improved by 3%-5%. At the same time, the engine noise is reduced and driving comfort is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile intake manifolds, in particular to an automobile resonant cavity structure intake manifold which comprises a body, a first pressure stabilizing cavity and a second pressure stabilizing cavity are arranged on the body, a connecting pipe is arranged between the first pressure stabilizing cavity and the second pressure stabilizing cavity, an air inlet pipe is arranged at the top end of the body, and an air outlet pipe is arranged at the top end of the body. A branch pipe is arranged on one side of the body and communicated with the first pressure stabilizing cavity, air enters the first pressure stabilizing cavity from an air inlet pipe of the body to be balanced for the first time, enters the second pressure stabilizing cavity through a connecting pipe to be balanced for the second time and then enters an engine through the branch pipe on one side of the body, and the airflow stability is improved through two times of balance. The low-rotating-speed torque performance of the engine is improved by 3%-5%, meanwhile, the first pressure stabilizing cavity and the second pressure stabilizing cavity of the body can absorb and eliminate part of air inlet noise, the noise of the engine is reduced, and the driving comfort is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile intake manifolds, in particular to an automobile intake manifold with a resonance cavity structure. Background Art

[0002] As we all know, the traditional automobile intake manifold is usually made of metal or plastic, and its structure is simple, but there are some problems. First, since the length and diameter of the intake manifold have an important influence on the engine's speed and torque performance, and the airflow stability provided at low engine speed and torque is generally poor, the design of the traditional intake manifold often needs to be adjusted and optimized in actual applications, which increases the complexity of production and design, especially when the airflow at low engine speed and torque needs to be reliable and stable, so it is necessary to propose a solution to this technical problem. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies of the prior art, the utility model provides an intake manifold with an automobile resonance cavity structure.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automobile resonant cavity structure intake manifold, comprising a main body, on which a first pressure-stabilizing chamber and a second pressure-stabilizing chamber are provided, a connecting pipe is provided between the first pressure-stabilizing chamber and the second pressure-stabilizing chamber, an intake pipe is provided at the top of the main body, and a branch pipe is provided on one side of the main body, and the branch pipe is connected to the first pressure-stabilizing chamber.

[0007] Furthermore, the utility model is improved in that a plurality of branch pipes are provided.

[0008] Furthermore, the present invention is improved in that the first pressure-stabilizing chamber and the second pressure-stabilizing chamber are both rectangular in structure.

[0009] Furthermore, the present invention is improved in that the first pressure-stabilizing chamber and the second pressure-stabilizing chamber are both provided with rounded edges around them.

[0010] (III) Beneficial effects

[0011] Compared with the prior art, the utility model provides an automobile resonant cavity structure intake manifold, which has the following beneficial effects:

[0012] The car has a special resonant cavity structure intake manifold. Air enters the first pressure stabilizing chamber from the intake pipe of the main body for the first balance, enters the second pressure stabilizing chamber through the connecting pipe for the second balance, and then enters the engine through the branch pipe on one side of the main body. The two balances improve the airflow stability and the low-speed torque performance of the engine is improved by 3%-5%. At the same time, the first and second pressure stabilizing chambers of the main body can absorb and eliminate part of the intake noise, reduce engine noise, and improve driving comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0014] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0015] Figure 3 This is a schematic diagram of the structure of the utility model Figure 3 ;

[0016] Figure 4 This is a schematic diagram of the structure of the utility model Figure 4 .

[0017] In the figure: 1, main body; 2, first pressure-stabilizing chamber; 3, second pressure-stabilizing chamber; 4, connecting pipe; 5, air inlet pipe; 6, branch pipe. DETAILED DESCRIPTION

[0018] 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 in 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.

[0019] See also Figure 1-4The utility model is an intake manifold with a resonance cavity structure for an automobile, comprising a body 1, on which a first pressure stabilizing cavity 2 and a second pressure stabilizing cavity 3 are provided, a connecting pipe 4 is provided between the first pressure stabilizing cavity 2 and the second pressure stabilizing cavity 3, an intake pipe 5 is provided at the top of the body 1, and a branch pipe 6 is provided at one side of the body 1, and the branch pipe 6 is connected to the first pressure stabilizing cavity 2. In this embodiment, air enters the first pressure stabilizing cavity 2 from the intake pipe 5 of the body 1 for the first balance, enters the second pressure stabilizing cavity 3 through the connecting pipe 4 for the second balance, and then enters the engine through the branch pipe 6 on one side of the body 1. The airflow stability is improved through the two balances, and the low-speed torque performance of the engine is improved by 3%-5%. At the same time, the first pressure stabilizing cavity 2 and the second pressure stabilizing cavity 3 of the body 1 can absorb and eliminate part of the intake noise, reduce the engine noise, and improve the driving comfort.

[0020] In this solution, a plurality of branch pipes 6 are provided, and the air can flow into the engine more evenly through the plurality of branch pipes 6 .

[0021] In this solution, the first pressure-stabilizing chamber 2 and the second pressure-stabilizing chamber 3 are both rectangular structures. The first pressure-stabilizing chamber 2 and the second pressure-stabilizing chamber 3 are rectangular structures, so more air can be balanced and stabilized.

[0022] In the present embodiment, the first pressure-stabilizing chamber 2 and the second pressure-stabilizing chamber 3 are provided with rounded edges around them. The rounded edges provided around the first pressure-stabilizing chamber 2 and the second pressure-stabilizing chamber 3 enable the air to flow more stably inside the first pressure-stabilizing chamber 2 and the second pressure-stabilizing chamber 3, thereby ensuring efficient balanced pressure stabilization of the air.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automobile resonant cavity structure intake manifold, comprising a body (1), characterized in that: The main body (1) is provided with a first pressure-stabilizing chamber (2) and a second pressure-stabilizing chamber (3); a connecting pipe (4) is provided between the first pressure-stabilizing chamber (2) and the second pressure-stabilizing chamber (3); an air inlet pipe (5) is provided at the top of the main body (1); a branch pipe (6) is provided on one side of the main body (1); and the branch pipe (6) is connected to the first pressure-stabilizing chamber (2).

2. The automobile resonant cavity structure intake manifold according to claim 1, characterized in that: The branch pipes (6) are provided in plurality.

3. The automobile resonant cavity structure intake manifold according to claim 2, characterized in that: The first pressure-stabilizing chamber (2) and the second pressure-stabilizing chamber (3) are both rectangular structures.

4. The automobile resonant cavity structure intake manifold according to claim 3, characterized in that: The first pressure-stabilizing chamber (2) and the second pressure-stabilizing chamber (3) are both provided with rounded edges around their perimeters.