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Removable spin-on filter and method of filtering fluid therefor

A filter and filter element technology, which is applied in chemical instruments and methods, fixed filter elements, filter separation, etc., can solve the problems that spin-on filters are not economical and environmentally friendly, and achieve ingenious design, reduced specifications and varieties, and guaranteed The effect of good conditions

Active Publication Date: 2018-06-22
SHANGHAI LANGJING FLUID TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a detachable spin-on filter to solve the problem that the existing spin-on filter is not economical and environmentally friendly

Method used

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  • Removable spin-on filter and method of filtering fluid therefor
  • Removable spin-on filter and method of filtering fluid therefor
  • Removable spin-on filter and method of filtering fluid therefor

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Embodiment Construction

[0029] The detachable spin-on filter and its fluid filtering method of the present invention will be further described in detail below in conjunction with specific drawings.

[0030] Such as figure 2 As shown, it is a detachable spin-on filter of the present invention, including a filter housing 10, a sealing gasket 11, a coupling head 12 and a filter element 13 located below the coupling head 12, and the sealing gasket 11 is pressed against the coupling head 12 and the coupling head 12. Between the filter housings 10, the coupling head 12 and the filter housing 10 are connected by threads, and the coupling head 12 is provided with several oil inlet holes 14 (such as image 3 As shown), the center is provided with a central hole 15, and each side of the central hole 15 is provided with a counterbore 16, and the two counterbore holes 16 are arranged symmetrically and communicate with the central hole 15, and the counterbore 16 is provided with a bypass Valve 20, the filter el...

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Abstract

The invention discloses a detachable rotatably-mounted filter. The filter comprises a filter shell, a sealing pad, a connection joint and a filter element arranged below the connection joint. The sealing pad is arranged between the connection joint and the filter shell, and the connection joint is connected with the filter shell through threads; a plurality of oil inlets are formed in the connection joint, and a central hole is formed in the center of the connection joint; the two sides of the central hole are each provided with a counter bore, and the two counter bores are symmetrically formed and communicated with the central hole; a by-pass valve is arranged in each counter bore, and the filter element comprises a filter material and an end cover and is connected with the connection joint through threads on the end cover; and an inner hole is formed in the center of the filter element, and an inner framework is arranged in the central hole of the connection joint and the inner hole of the filter element in a penetrating manner. By the adoption of the structure, the filter has the beneficial effects of being ingenious in structural design, economical and environment-friendly.

Description

technical field [0001] The invention belongs to the field of filters, and in particular relates to a detachable spin-on filter and a method for filtering fluid thereof. Background technique [0002] The spin-on filter is a type of filter developed in the 1970s with filter paper as the filter material. The spin-on filter is compact in structure, light in weight, reliable in use, and convenient in maintenance. It is widely used in engines and hydraulic pressure on the system. According to the incomplete statistics of existing data, more than 90% of the spin-on filters are used on automobile engines, and more than 80% of them are used on construction machinery engines. [0003] But the spin-on filter also has obvious defects, such as figure 1 As shown, the spin-on filter generally includes a sealing ring 1, a threaded cover plate 2, a filter housing 3, a filter element 4 and a spring 5, and the filter element 4 includes an inner frame 42, a bypass valve 43, a filter material ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D29/15B01D35/147F01M11/03F02M37/22
Inventor 李建灵李建忠
Owner SHANGHAI LANGJING FLUID TECH
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