a fluid filter

A fluid filter and filter technology, which is applied in fixed filter element filters, filtration and separation, chemical instruments and methods, etc., can solve the problems of inconvenient maintenance, large workload, troublesome disassembly and assembly, and reduce workload. and difficulty, reduce the use of materials, facilitate replacement and cleaning

Active Publication Date: 2015-09-16
TOKHEIM HENGSHAN TECH GUANGZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When disassembling, the end caps of the two filter channels need to be disassembled, which will cause trouble in disassembly and inconvenient maintenance
When filtering, the fluid needs to flow through two filter channels in sequence, resulting in a large pressure loss in the filtering process
At the same time, in order to ensure the pressure of the filtration process, the filter area of ​​the primary filter element is small, so the service life of the primary filter element is not long, and the filter element needs to be replaced or cleaned frequently
The above-mentioned fluid filter not only requires more processing techniques, such as the processing of end faces and filter channels, which requires a large workload and increases the difficulty of processing.
And the length of this fluid filter is longer, the material that needs is more, because manufacturing cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as Figure 1 to Figure 3 A fluid filter shown includes a filter body 1, a primary filter element 2 and a secondary filter element 3, the filter body 1 is provided with an inlet channel 11, an outlet channel 12 and a filter cavity 13, the inlet The channel 11 and the outlet channel 12 are connected through the filter cavity 13 ; the primary filter element 2 is installed in the filter cavity 13 , and the secondary filter element 3 is installed in the primary filter element 2 .

[0027] In order to further reduce the fluid flow, one end of the filter body 1 is provided with a connection port I14 and a connection port II15, the inlet channel 11 communicates with the filter cavity 13 through the connection port I14, and the filter cavity 13 communicates with the filter cavity 13 through the connection port II15. The outlet channel 12 is connected, and the other end of the filter body 1 is provided with an end cover 4; one end of the first-stage filter element 2 is provi...

Embodiment 2

[0037] This fluid filter is the same as Embodiment 1 except the following technical features: the first-stage filter element 2 is a wire mesh filter element, and the second-stage filter element 3 is a water-absorbing filter element. The secondary filter element 3 can be selected according to different requirements of customers. When the secondary filter element 3 is a water-absorbing filter element, the secondary filter element 3 adopts a paper filter element, which has good water absorption effect and low cost.

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PUM

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Abstract

The invention discloses a fluid filter. The fluid filter comprises a filter body, a primary filter element and a secondary filter element, wherein an inlet channel, an outlet channel and a filter chamber are formed in the filter body; the inlet channel and the outlet channel are communicated through the filter chamber; the primary filter element is arranged in the filter chamber; the secondary filter element is arranged in the primary filter chamber. By eliminating one filter chamber, the flow of a fluid is reduced, so that the pressure loss of the fluid in a filtering process is reduced, and the filtering effect is improved. Meanwhile, the fluid filter is convenient to assemble and disassemble, and the collection difficulty of the fluid during assembly and disassembly is reduced.

Description

technical field [0001] The invention relates to a filter, in particular to a fluid filter. Background technique [0002] Today, there are a wide variety of filters for fluids such as gasoline, diesel, and kerosene. For example, Chinese invention patent 200910039372.4 discloses a fluid filter. The fluid filter is provided with two filtering passages, which are connected through connecting passages, and the two filtering passages are respectively located on both sides of the fluid inlet, and a primary filter element and a secondary filter element are installed in the two filtering passages respectively. This will require disassembly and assembly of the end caps of the two filter passages during disassembly and assembly, which will cause disassembly and assembly troubles and inconvenient maintenance. When filtering, the fluid needs to flow through two filtering channels in sequence, resulting in a large pressure loss in the filtering process. At the same time, in order to en...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D29/50
Inventor 欧阳军
Owner TOKHEIM HENGSHAN TECH GUANGZHOU
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