Multi-connected filter assembly

By designing a multi-unit filter assembly, the problem of generator sets needing to stop when removing and installing filters was solved, enabling maintenance and filter replacement without stopping the machine, reducing equipment wear and maintenance frequency, and ensuring filtration effect.

CN224282805UActive Publication Date: 2026-05-26ZHEJIANG YONGYU FILTER SYST CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG YONGYU FILTER SYST CO LTD
Filing Date
2025-06-25
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

In existing technologies, generator sets need to be shut down when removing and installing filters, which leads to power outages and system wear, affecting the generator's lifespan.

Method used

Design a multi-filter assembly by installing multiple filters on the back plate, with the oil inlet and outlet of each filter connected by a valve, allowing the filters to be maintained and replaced without shutting down the equipment.

Benefits of technology

This allows for filter maintenance without shutting down the generator set, reducing equipment maintenance frequency and wear, while ensuring filtration effectiveness.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224282805U_ABST
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Abstract

The utility model discloses a multi-connected filter assembly which comprises a back plate, a plurality of installation positions are arranged on the front side of the back plate left and right, and a filter is clamped in each installation position through a clamping assembly. The utility model discloses an oil inlet manifold and an oil outlet manifold, the oil inlet in each filter is communicated with the inside of the oil inlet manifold through an oil inlet branch pipe and a first valve, and the oil outlet in each filter is communicated with the inside of the oil outlet manifold through an oil outlet branch pipe and a second valve. A plurality of filters are arranged on the back plate, an oil inlet and an oil outlet in each filter are communicated with each other and are independently controlled to be opened and closed through a valve, so that the equipment can be used for sequentially maintaining each filter without stopping, and the problems that the equipment cannot work and the power is cut off when the generator is maintained are solved; all the filters work together, the maintenance frequency can be reduced, and the filtering effect is guaranteed.
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Description

Technical Field

[0001] This utility model relates to the field of filter technology, and in particular to a multi-stage filter assembly. Background Technology

[0002] A generator is a device that converts chemical energy into electrical energy by burning fuel. The filter is a key protective component in the generator, mainly used to filter impurities and moisture from the fuel to ensure stable system operation.

[0003] The filter screen in the air purifier is a consumable and needs to be replaced after a certain period of use. However, currently, when removing and installing the filter screen, it is generally necessary to first shut down the generator set before removing and installing the filter screen. Shutting down the generator will affect the power supply, and during the restart process after shutdown, the wear and tear on various components in the system is relatively large, which will affect the life of the generator. Therefore, improvements are needed to address the above issues. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a multi-stage filter assembly to solve the problems mentioned in the background section.

[0005] This utility model provides the following technical solution: a multi-unit filter assembly, including a back plate, with several mounting positions arranged on the left and right sides of the front side of the back plate, and each mounting position is fitted with a filter by a clamping assembly;

[0006] It also includes an oil inlet main pipe and an oil outlet main pipe. The oil inlet of each of the filters is connected to the oil inlet main pipe through an oil inlet branch pipe and valve No. 1, and the oil outlet of each of the filters is connected to the oil outlet main pipe through an oil outlet branch pipe and valve No. 2.

[0007] Preferably, the oil inlet manifold and the oil outlet manifold are staggered.

[0008] Preferably, both valve number one and valve number two are ball valves and are installed vertically, and the handle inside valve number two can extend between the oil inlet manifold and the oil outlet manifold.

[0009] Preferably, the clamping assembly includes a clamping ring fixed to the front side of the back plate. The clamping ring includes a ring that fits around the filter. The ring has a notch, and the notch extends rearward to form a locking plate. The rear end of the locking plate extends laterally to form a fixing plate. The fixing plate is fixed to the back plate by a first bolt. The two locking plates in one clamping ring are also penetrated by a second bolt with a nut.

[0010] Preferably, one of the filters is locked by the upper and lower clamping rings.

[0011] Preferably, the oil outlet faces rearward, and the oil outlet branch pipe extends forward around the right side of the filter connected to it.

[0012] Preferably, the back plate has an integrally formed mounting plate on both the left and right sides that extends backward and then bends laterally, so that the back plate is suspended in the air, and the mounting plate has a bolt pre-drilled hole, so that the last side of the oil outlet pipe will not extend to the rear side of the mounting plate.

[0013] This utility model provides a multi-stage filter assembly, which has the following advantages:

[0014] This utility model is used inside a generator, and it has multiple filters on the back plate. The oil inlet and oil outlet of each filter are interconnected and controlled by a valve. The equipment can be maintained by maintaining each filter in sequence without stopping the machine, which solves the problem of power outage when the equipment cannot work during generator maintenance.

[0015] The various filters in this invention work together to reduce maintenance frequency and ensure filtration effectiveness. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the appearance of the present invention when it is equipped with two filters;

[0017] Figure 2 yes Figure 1 A schematic diagram of the appearance of one of the clamping rings;

[0018] Figure 3 This is a schematic diagram of the appearance of the present invention when it is equipped with three filters;

[0019] Figure 4 yes Figure 3 The main view.

[0020] In the picture:

[0021] 11. Backplate; 12. Filter; 13. Main oil inlet pipe; 14. Main oil outlet pipe; 15. Branch oil inlet pipe; 16. Valve No. 1; 17. Branch oil outlet pipe; 18. Valve No. 2; 21. Clamping ring; 22. Ring; 23. Locking plate; 24. Fixing plate; 25. Bolt No. 2; 31. Mounting plate. Detailed Implementation

[0022] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0023] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0025] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0026] Reference Figures 1-4 According to an embodiment of the present invention, a multi-unit filter assembly includes a back plate 11, and several mounting positions are arranged on the left and right sides of the front side of the back plate 11, and a filter 12 is mounted in each mounting position by a clamping assembly.

[0027] In addition, it includes an oil inlet main pipe 13 and an oil outlet main pipe 14. The oil inlet of each filter 12 is connected to the oil inlet main pipe 13 through an oil inlet branch pipe 15 and a first valve 16, while the oil outlet of each filter 12 is connected to the oil outlet main pipe 14 through an oil outlet branch pipe 17 and a second valve 18.

[0028] The oil inlet manifold 13 is connected to the oil tank, and the oil outlet manifold 14 is connected to the diesel fuel-using equipment (such as a generator). When the diesel fuel-using equipment is working, a suction force is generated in the oil outlet manifold 14, causing the oil in the oil tank to pass through the oil inlet manifold 13 and the filter 12 before moving through the oil outlet manifold 14. This is existing technology and will not be described in detail here.

[0029] In this embodiment, since multiple filters 12 are provided, the load on a single filter 12 can be greatly reduced when the diesel fuel equipment is working, thereby reducing its maintenance and filter element replacement frequency.

[0030] In addition, since multiple filters 12 are provided, when a single filter 12 is maintained or its filter element is replaced, the other filters 12 can remain in operation, allowing the diesel fuel equipment to be maintained sequentially without shutting down.

[0031] The specific replacement process is as follows: when the staff needs to maintain and replace the filter element of one of the filters 12, the staff will close the first valve 16 and the second valve 18 connected to it. At this time, the oil in the filter 12 will no longer flow, so that the staff can replace the filter screen inside. After the replacement is completed, the staff will open the corresponding first valve 16 and second valve 18. At this time, the maintenance of one filter 12 is completed, and the staff can maintain each filter 12 in sequence. During this process, only the filter 12 in the maintenance state stops working, while the other filters 12 can continue to filter oil.

[0032] In this embodiment, the oil inlet manifold 13 and the oil outlet manifold 14 are staggered. The first valve 16 and the second valve 18 are both ball valves and are installed vertically. The handle inside the second valve 18 can extend between the oil inlet manifold 13 and the oil outlet manifold 14 for easy control. When the handles inside the first valve 16 and the second valve 18 are set vertically, the first valve 16 and the second valve 18 are in a flowing state, while when the handles are set horizontally, they are in a closed state.

[0033] like Figure 2 As shown, the clamping assembly includes a clamping ring 21 fixed to the front side of the back plate 11. The clamping ring 21 includes a ring 22, which is fitted around the filter 12. The ring 22 has a notch, and the notch extends rearward to form a locking plate 23. The rear end of the locking plate 23 extends laterally to form a fixing plate 24. The fixing plate 24 is fixed to the back plate 11 by a first bolt. The two locking plates 23 in one clamping ring 21 are also penetrated by a second bolt 25 with a nut.

[0034] The operator can tighten the second bolt 25 or the nut to retract the ring 22 and further clamp the filter 12. In addition, to further improve the stability of the filter 12 when it is clamped, one of the filters 12 is locked by the upper and lower clamping rings 21.

[0035] In this embodiment, the oil outlet faces rearward, and the oil outlet branch pipe 17 extends forward around the right side of the filter 12 connected to it.

[0036] To prevent the oil outlet pipe 17 from interfering with the back plate 11, the left and right sides of the back plate 11 are integrally formed with a rearward extension and a lateral bend, so that the back plate 11 is suspended in the air. The mounting plate 31 is provided with bolt pre-drilled holes, and the operator can fix the back plate 11 to the mounting platform through the bolt pre-drilled holes and fasteners. The rear side of the oil outlet pipe 17 will not extend to the rear side of the mounting plate 31.

[0037] The above description is only a specific embodiment of the present utility model, but the technical features of the present utility model are not limited thereto. Any changes or modifications made by those skilled in the art within the scope of the present utility model are covered by the patent scope of the present utility model.

Claims

1. A multi-stage filter assembly, comprising a backplate (11), characterized in that: The back plate (11) has several mounting positions arranged on the left and right sides of its front side, and each mounting position is fitted with a filter (12) by a clamping assembly. It also includes an oil inlet main pipe (13) and an oil outlet main pipe (14). The oil inlet of each filter (12) is connected to the oil inlet main pipe (13) through an oil inlet branch pipe (15) and a first valve (16), while the oil outlet of each filter (12) is connected to the oil outlet main pipe (14) through an oil outlet branch pipe (17) and a second valve (18).

2. The multi-unit filter assembly according to claim 1, characterized in that: The oil inlet manifold (13) and the oil outlet manifold (14) are misaligned.

3. A multi-unit filter assembly according to claim 2, characterized in that: Both valve No. 1 (16) and valve No. 2 (18) are ball valves and are installed vertically. The handle inside valve No. 2 (18) can extend between the oil inlet manifold (13) and the oil outlet manifold (14).

4. A multi-unit filter assembly according to claim 1, characterized in that: The clamping assembly includes a clamping ring (21) fixed to the front side of the back plate (11). The clamping ring (21) includes a ring (22) which is fitted over the filter (12). There is a notch in the ring (22), and the notch in the ring (22) extends rearward to form a locking plate (23). The rear end of the locking plate (23) extends laterally to form a fixing plate (24). The fixing plate (24) is fixed to the back plate (11) by a first bolt. The two locking plates (23) in one clamping ring (21) are also penetrated by a second bolt (25) with a nut.

5. A multi-unit filter assembly according to claim 4, characterized in that: One of the filters (12) is locked by the upper and lower clamps (21).

6. A multi-unit filter assembly according to claim 1, characterized in that: The oil outlet faces rearward, and the oil outlet branch pipe (17) extends forward around the right side of the filter (12) connected to it.

7. A multi-unit filter assembly according to claim 6, characterized in that: The back plate (11) has an integrally formed mounting plate (31) that extends backward and bends laterally on both sides, so that the back plate (11) is suspended in the air. The mounting plate (31) has a bolt pre-drilled hole, and the last side of the oil outlet pipe (17) will not extend to the rear side of the mounting plate (31).