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Filter housings and air filter units for combustion engines

一种过滤器外壳、空气过滤器的技术，应用在发动机元件、机器/发动机、燃烧空气/燃烧-空气处理等方向，能够解决发动机损坏、进入空气系统、污物进入等问题

Active Publication Date: 2016-09-07
SCANIA CV AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although filter replacement is done from the dirty side, there is still the risk that, in the confined space under the vehicle, the new filter unit may graze dirty areas inside and outside the filter housing, potentially allowing dirt to enter filter unit and thus into the clean side of the air system, and thus cause possible damage to the engine

Method used

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  • Filter housings and air filter units for combustion engines
  • Filter housings and air filter units for combustion engines
  • Filter housings and air filter units for combustion engines

Examples

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Embodiment Construction

[0025] in the attached picture The air filter device depicted in includes in known manner an elongated air filter housing 10 for housing a filter unit or filter box 50 comprising a substantially semi-cylindrical Air filter 52. The air to be filtered enters the annular space between the filter unit 50 and the filter housing 10 through the external air inlet 20 ( FIG. 1 ) of the filter housing 10 and, after passing through the filter 52 , continues through the filter unit 52 . The engine exhaust port 40 in the cover portion 30 on the upper side of the engine housing 10. Said engine exhaust port 40 is itself adapted to be connected to a not depicted air intake of a combustion engine via successively arranged air ducts 42 , 80 .

[0026] as in Figure 4 As most clearly depicted in , the filter 52 of the filter unit 50 is connected to the top of the filter in the form of an upper sealing element 60 having a central hole coaxial with the interior of the filter 52 and with the exh...

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Abstract

The invention relates to a filter housing (10) for a filter unit (50) having a substantially semi-cylindrical air filter (52), said filter housing comprising an air inlet ( 20) and engine exhaust port (40). According to the invention, the filter housing (10) has a top hole (12) for introducing and taking out a filter unit (50); a bottom hole (16) arranged to pass through the filter unit being introduced and taken out ( 50) closed filter bottom (70) to close and open; and cover (30), which is used to close the top hole (12). The invention also relates to a filter unit for said filter housing.

Description

technical field [0001] The invention relates to a filter housing for accommodating a filter unit, comprising an air intake and an engine exhaust. The invention also relates to a filter unit for said air filter housing. Background technique [0002] In known air filter devices for combustion engines of trucks, the filter housing usually has a releasable bottom which allows the failed filter unit to be removed and replaced from below, i.e. from the device dirty underside replacement. Although filter replacement is done from the dirty side, there is still the risk that, in the confined space under the vehicle, the new filter unit may graze dirty areas inside and outside the filter housing, potentially allowing dirt to enter The filter unit and thus enters the clean side of the air system and thus leads to possible damage to the engine. The replacement of said filters also involves a considerable amount of work and use of space, notably due to the work involved in the vehicle...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M35/024B01D46/00B01D46/88
CPCB01D46/0004B01D2271/022F02M35/0203F02M35/02483F02M35/0209B01D46/2414B01D46/48F02M35/02416B01D46/88B01D46/0005F02M35/048
Inventor E·彼得松S-E·尼贝里
Owner SCANIA CV AB
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