Return oil filter of oil tank
An oil return filter and oil tank technology, applied in the direction of machine/engine, engine components, engine lubrication, etc., can solve the problems of short service life of the oil outlet filter, large cleaning workload, dirty oil, etc., to reduce the cleaning work. amount, ensure cleaning, and improve the effect of service life
Inactive Publication Date: 2014-01-01
WENZHOU NOVA FILTER
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Problems solved by technology
[0002] At present, in the oil lubrication pipeline of automobiles, only the oil outlet of the fuel tank is equipped with a filter, and the oil return of the fuel tank is not equipped with a filter. Due to the metal wear debris, dust, and carbon deposits oxidized at high temperatures during the working process of the automobile engine And colloidal sediment, water, etc. are constantly mixed into the lubricating oil, so the oil in the oil tank will be dirty, and the oil outlet filter will be easily blocked. The service life of the oil outlet filter is short, and the oil outlet filter and the oil tank need to be cleaned regularly. Heavy cleaning workload
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[0010] As shown in the figure, the fuel tank oil return filter of the present invention includes a housing 1, a connecting cover 4, a sealing ring 5 and a filter element assembly, the connecting cover 4 is installed in the top opening of the housing 1, and the connecting cover 4 is provided with a central oil port 42 And the side oil port 41, the sealing ring 5 is fastened on the top opening of the casing 1 and riveted with the top opening of the casing 1, the filter element assembly is arranged in the inner cavity of the casing 1, and the filter element assembly includes a paper core upper cover 3 and a paper core lower cover 9 And the paper core 2, a one-way valve assembly is arranged between the paper core upper cover 3 and the connecting cover 4. The one-way valve assembly includes a valve seat 6, a valve core 8 and a compression spring 7. The valve seat 6 is stamped from a steel sheet. The middle of the valve seat 6 forms a counterbore cavity 62 with an oil discharge hole ...
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The invention discloses a return oil filter of an oil tank, which comprises a shell, a connecting cover, a sealing ring and a filter element assembly, and is characterized in that a one-way valve assembly is arranged between a paper element upper cover and the connecting cover and comprises a valve seat, a valve element and a compression spring; the valve seat is formed by punching a steel sheet; a counter bore cavity with an oil discharge hole in the bottom is formed in the middle of the valve seat; a leaf spring outwards obliquely extending is formed at the edge of the valve seat; the counter bore cavity is loaded in from an inner hole of the paper element upper cover and is aligned with a central oil port of the connecting cover; the valve element and the compression spring are arranged in the counter bore cavity; under the effect of the compression spring, the valve element is used for sealing the oil discharge hole from the bottom of the counter bore cavity; the sealing ring is arranged between a paper element lower cover and the bottom of the shell; an oil outlet is formed in the bottom of the shell. The oil filter is arranged in the oil tank, filtering is carried out on return oil of a return oil pipeline of the oil tank, engine oil in the oil tank is kept clean, the service life of an oil outlet filter net of the oil tank is prolonged, and the cleaning work load is alleviated.
Description
technical field [0001] The invention relates to an oil tank return filter used for filtering the oil return of the oil tank. Background technique [0002] At present, in the oil lubrication pipeline of automobiles, only the oil outlet of the fuel tank is equipped with a filter, and the oil return of the fuel tank is not equipped with a filter. Due to the metal wear debris, dust, and carbon deposits oxidized at high temperatures during the working process of the automobile engine And colloidal sediment, water, etc. are constantly mixed into the lubricating oil, so the oil in the oil tank will be dirty, and the oil outlet filter will be easily blocked. The service life of the oil outlet filter is short, and the oil outlet filter and the oil tank need to be cleaned regularly. The cleaning workload is heavy. Contents of the invention [0003] In view of the deficiencies in the background technology, the present invention provides an oil return filter for the oil tank to keep ...
Claims
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Inventor 陈迁戴小远
Owner WENZHOU NOVA FILTER