KR20160043733A - Canister for vehicles - Google Patents

Canister for vehicles Download PDF

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Publication number
KR20160043733A
KR20160043733A KR1020140138306A KR20140138306A KR20160043733A KR 20160043733 A KR20160043733 A KR 20160043733A KR 1020140138306 A KR1020140138306 A KR 1020140138306A KR 20140138306 A KR20140138306 A KR 20140138306A KR 20160043733 A KR20160043733 A KR 20160043733A
Authority
KR
South Korea
Prior art keywords
canister
strainer
partition
filter
hole
Prior art date
Application number
KR1020140138306A
Other languages
Korean (ko)
Inventor
강희진
정재웅
Original Assignee
현대자동차주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 현대자동차주식회사 filed Critical 현대자동차주식회사
Priority to KR1020140138306A priority Critical patent/KR20160043733A/en
Publication of KR20160043733A publication Critical patent/KR20160043733A/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
    • F02M25/0836—Arrangement of valves controlling the admission of fuel vapour to an engine, e.g. valve being disposed between fuel tank or absorption canister and intake manifold
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
    • F02M25/0854—Details of the absorption canister
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B01D2259/4516—Gas separation or purification devices adapted for specific applications for fuel vapour recovery systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B01D2259/4566—Gas separation or purification devices adapted for specific applications for use in transportation means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
    • F02M2025/0863—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir with means dealing with condensed fuel or water, e.g. having a liquid trap

Abstract

The present invention relates to a canister for a vehicle. According to an embodiment of the present invention, the canister for a vehicle comprises: a canister body (10) having a first partition wall (11) and a penetration unit (12); a second partition wall (20) wherein an upper penetration hole (71) and a lower penetration hole (72) are provided; an engine and fuel tank side nipple (30) and an atmosphere side nipple (40); and an upper filter (50) and a lower filter (60). According to the present invention, movement of fine dust can be restricted to prevent a filter from being blocked. Moreover, negative pressure inside a fuel tank can be removed.

Description

{CANISTER FOR VEHICLES}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a canister for a vehicle, and more particularly, to a canister for a vehicle that removes an internal space of the canister body and suppresses generation of differential due to vibration of activated carbon filled in the canister body.

An apparatus for storing and supplying fuel consumed in an engine, comprising: a fuel tank for storing fuel; a fuel pump for supplying fuel in the fuel tank to a vaporizer; a fuel filter for removing impurities of fuel; And a canister that collects and stores the evaporated gas of the vaporized fuel in the tank.

When the engine is stopped, the canister adsorbs the fuel vapor by the built-in activated carbon. When the engine is operated, the canister removes fuel vapor adsorbed on the activated carbon by the intake pressure of air injected from the outside of the canister, Fuel vapor gas is mixed with air and supplied to the intake system of the engine.

The operation of supplying the fuel vapor to the engine in this manner is generally referred to as purge operation.

As described above, the canister according to the prior art shown in FIG. 1 can be clogged by dust (or foreign matter) introduced from the outside and activated carbon powder (hereinafter referred to as differential) generated from the inside when the canister is used for a long time. In this case, the smooth flow of the air is interrupted, and when the canister is purged, the outside air is not sufficiently supplied, so that negative pressure is formed inside the fuel tank, which may cause deformation or cracking of the fuel tank.

Registered Patent Publication No. 10-0528195 (November 4, 2005)

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and an object of the present invention is to suppress generation of fine particles, prevent clogging of the filter, and eliminate negative pressure inside the fuel tank.

The canister according to an embodiment of the present invention includes a first partition 11 for partitioning the interior of the canister into an upper portion and a lower portion and a through portion 12 disposed on one side of the first partition 11 to communicate with the evaporation gas A canister body (10) comprising; And a second partition wall (12) having a through hole (71) and a lower through hole (72) arranged vertically to the first partition wall (11) 20); An engine and a fuel tank side nipple 30 and an atmospheric side nipple 40 which are respectively disposed on upper and lower sides of the side surface of the canister body 10 on the opposite side of the penetration portion 12; And an upper filter (50) and a lower filter (60) disposed in upper and lower portions of the canister body (10) in parallel with the second partition wall (20), respectively, the canister body The upper strainer 81 and the lower strainer 82 penetrating through the upper through hole 71 and the lower through hole 72 in order to remove the internal space generated by the activated carbon filled in the inside .

In the automotive canister, the upper strainer 81 and the lower strainer 82 may have a conical shape or a conical shape and a cylindrical shape.

The vehicle canister presses the upper strainer 81 and the lower strainer 82 so as to press the upper strainer 81 and the lower strainer 82 toward the engine and fuel tank side nipple 30 and the atmosphere side nipple 40, And an upper spring 91 and a lower spring 92 that connect the bottom surface of the lower strainer 82 to the canister body 10, respectively.

The upper and lower strainer (81) and (82) of the vehicle canister are individually operable.

The canister according to another embodiment of the present invention includes a through hole 101 disposed in the first partition 11 between the atmospheric side nipple 40 and the lower filter 60 .

The vehicle canister includes a valve (102) disposed on an upper surface of the first partition (11) to open and close the through hole (101).

The vehicle canister includes a valve spring 103 that connects the lower portion of the valve 102 and the upper portion of the lower surface of the canister body 10 and restores the valve 102 by the elastic force when the valve 102 is opened. And a control unit.

The canister according to another embodiment of the present invention includes a plurality of third partitions 110 arranged on a plane of the first partition 11.

The canister includes a plurality of fourth partition walls 120 disposed on the bottom of the canister body 10.

As described above, according to the present invention, the internal space of the canister body can be removed, and generation of fine particles due to vibration of the activated carbon filled in the canister body can be suppressed.

Further, it is possible to prevent clogging of the filter by suppressing the flow of the fine particles by adding a plurality of partition structures inside the canister body.

Further, when the canister is purged after the filter is clogged, the negative pressure inside the fuel tank can be removed by the valve even if negative air pressure is formed inside the fuel tank due to insufficient supply of outside air.

1 is a schematic view of a vehicle canister according to the prior art and a photograph of the filter.
Fig. 2 and Fig. 6 are views for explaining the problem of the canister according to the related art. Fig.
3 is a schematic view of a vehicle canister according to one embodiment of the present invention.
4 is a view for explaining the operation of a vehicle canister according to an embodiment of the present invention;
5 is a schematic view of a vehicle canister according to another embodiment of the present invention and its operation.
7 is a schematic view of a vehicle canister according to another embodiment of the present invention.

It is to be understood that the words or words used in the present specification and claims are not to be construed in a conventional or dictionary sense and that the inventor can properly define the concept of a term to describe its invention in the best way And should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents It should be understood that water and variations may be present. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 is a schematic view of a canister according to an embodiment of the present invention. FIG. 4 is a cross-sectional view of the canister according to an embodiment of the present invention. Fig. 2 to 4, a canister according to an embodiment of the present invention includes a canister body 10, a second partition 20, an engine and a fuel tank side nipple 30, an atmospheric side nipple 40, An upper filter 50, a lower filter 60, an upper strainer 81, and a lower strainer 82. [

The canister body 10 may typically be in the shape of an empty hexahedron. The canister body 10 includes a first partition 11 dividing the interior of the canister into an upper portion and a lower portion and a through portion 12 disposed on one side of the first partition 11 to communicate with the evaporation gas. That is, the first partition 11 is horizontally disposed inside the canister body 10, and most of the interior of the canister body 10 is divided into an upper portion and a lower portion. 11 can not be divided into the upper part and the lower part of the canister body 10.

The second partition 20 is disposed on the side of the penetration portion 12 of the canister body 10 and is disposed perpendicularly to the first partition 11. That is, the second partition 20 is a wall passing through the penetration portion 12, and divides the inside of the canister body 10 in the vertical direction. Referring to FIG. 2, the canister according to the related art moves the second partition 20 to remove the internal space of the canister body 10 filled with activated carbon. 3 and 4, the second canister 20 is held in a fixed state in the vehicle canister according to an embodiment of the present invention.

The engine and the fuel tank side nipple 30 are connected to the side surface of the canister body 10 which faces the second partition 20 and is disposed on the opposite side of the penetration portion 12, As shown in FIG. The atmospheric side nipple 40 is connected to a side surface of the canister body 10 which is opposite to the second partition 20 and is disposed on the opposite side of the through portion 12, . That is, the engine, the fuel tank side nipple 30 and the atmosphere side nipple 40 serve as passages for allowing the evaporation gas or air to flow in and out of the canister body 10, Respectively.

The upper filter 50 is disposed on the inner upper portion of the canister body 10 in parallel with the second partition wall and the lower filter 60 is disposed on the inner lower portion of the canister body 10 in parallel with the second partition wall Respectively. That is, the upper filter 50 and the lower filter 60 are filters that vertically divide the upper and lower spaces of the interior of the canister body 10, respectively. The upper filter 50, the lower filter 60, The activated carbon is filled in the space between the first and second exhaust pipes 20 and 20 to collect the steam gas.

The vehicle canister includes an upper through hole 71 and a lower through hole 72 disposed at the upper portion and the lower portion of the second partition 20. The upper through hole 71 and the lower through hole 72 And the upper strainer 81 and the lower strainer 82 are connected to the engine and fuel tank side nipple 30 and the atmosphere side nipple 80. The upper strainer 81 and the lower strainer 82, And an upper spring 91 and a lower spring 92 for connecting the bottom surface of the upper strainer 81 and the lower strainer 82 to the canister body 10 so as to press the upper and lower strainer 81 and 40 respectively.

This is to remove the internal space generated by the activated carbon filled in the canister body 10, thereby suppressing the generation of fine particles due to the vibration of the activated carbon filled in the canister body.

The upper strainer 81 and the lower strainer 82 can be operated individually. Further, the upper strainer 81 and the lower strainer 82 may be in the form of a cone, or a combination of a cone and a cylinder. Accordingly, the inner space of the main body 10 can be removed more efficiently than in the prior art.

2, the movable strainer serving as the second partition 20 moves to remove the internal space of the canister body 10 filled with the activated carbon, but the canister body 10, The inner space can not be sufficiently removed because a large force is required to remove the inner space by the resistance. 3 and 4, the canister according to the embodiment of the present invention includes the canister main body 10 in which the strainer 81, 82 is filled with activated carbon while the second partition 20 is kept fixed, So that the inner space can be efficiently removed. Accordingly, it is possible to prevent the filter from clogging by suppressing the generation of fine particles due to the vibration of the activated carbon.

5 is a schematic view of a vehicle canister according to another embodiment of the present invention and its operation. Referring to FIG. 5, a vehicle canister according to another embodiment of the present invention includes a through hole 101, a valve 102, and a valve spring 103.

The through hole 101 is disposed in the first partition 11 between the atmospheric side nipple 40 and the lower filter 60 and the valve 102 is disposed in the first partition 11 between the atmospheric side nipple 40 and the lower filter 60, And the valve spring 103 connects the lower portion of the valve 102 and the upper portion of the bottom surface of the canister main body 10 by the elasticity of the valve 102 when the valve 102 is opened, Thereby restoring the valve 102. That is, when the state of the lower filter 60 is good (not blocked), the valve 102 closes the through hole 101 by the elastic force of the valve spring 103, The atmosphere is discharged to the engine and the fuel tank side nipple 30 through the upper portion of the canister body 10 via the penetration portion 12 through the lower portion of the canister body 10. [ However, when the lower filter 60 is clogged by foreign substances in the air (dust, etc.), the pressure at the front end of the lower filter 60 is increased, and when the elastic force of the valve spring 103 is exceeded, And the atmosphere flows through the through hole 101. [ That is, when the canister is purged after the filter is clogged, the negative pressure inside the fuel tank can be removed by the valve even if negative air pressure is formed in the fuel tank due to insufficient supply of outside air.

FIG. 6 is a view for explaining a problem of a car canister according to the related art, and FIG. 7 is a schematic view of a car canister according to another embodiment of the present invention. 6 and 7, a canister according to another embodiment of the present invention includes a plurality of third partitions 110 disposed on a plane of the first partition 11 and / And a plurality of fourth barrier ribs 120 disposed on an upper portion of the bottom surface. That is, in the vehicle canister according to the related art, the fine particles of activated carbon are deposited inside the filter according to the flow of the air, thereby blocking the filter. However, the vehicle canister according to another embodiment of the present invention can prevent the flow of the differential by obstructing the air flow by the third partition 110 and / or the fourth partition 120 to prevent the upper filter 50 and / Clogging of the lower filter 60 can be prevented. Thereby, the lifetime of the upper filter 50 and / or the lower filter 60 is increased.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory only and are not restrictive of the invention, as claimed, and will be fully understood by those of ordinary skill in the art. The present invention is not limited thereto. It will be apparent to those skilled in the art that various substitutions, modifications and variations are possible within the scope of the present invention, and it is obvious that those parts easily changeable by those skilled in the art are included in the scope of the present invention .

10 Canister body
11 First partition
12 penetration
20 second partition
30 Engine and fuel tank side nipple
40 Atmospheric Nipple
50 upper filter
60 lower filter
71 upper through hole
72 Lower through hole
81 Upper strainer
82 Lower strainer
91 upper spring
92 Lower spring
101 through hole
102 valve
103 valve spring

Claims (9)

1. A canister (10) comprising a first partition (11) for partitioning the interior of the canister into an upper part and a lower part, and a penetration part (12) disposed on one side of the first partition (11)
And a second partition wall (12) having a through hole (71) and a lower through hole (72) arranged vertically to the first partition wall (11) 20);
An engine and a fuel tank side nipple 30 and an atmospheric side nipple 40 which are respectively disposed on upper and lower sides of the side surface of the canister body 10 on the opposite side of the penetration portion 12; And
The canister of the present invention includes an upper filter (50) and a lower filter (60) disposed in upper and lower portions of the canister body (10) in parallel with the second partition (20)
An upper strainer 81 and a lower strainer 82 which penetrate the upper through hole 71 and the lower through hole 72 to remove the internal space generated by the activated carbon filled in the canister body 10, (82). ≪ / RTI > The method according to claim 1,
Wherein the upper strainer (81) and the lower strainer (82) are in the form of a cone or a cone-cylinder combination. 3. The method of claim 2,
The upper strainer 81 and the lower strainer 82 are provided so as to press the upper strainer 81 and the lower strainer 82 in the direction of the engine and the fuel tank side nipple 30 and the atmosphere side nipple 40, And an upper spring (91) and a lower spring (92) connecting the bottom surface of the canister body (10) and the canister body (10). The method according to claim 1,
Characterized in that the upper strainer (81) and the lower strainer (82) are each individually operable. The method according to claim 1,
And a through hole (101) disposed in the first partition (11) between the atmospheric side nipple (40) and the lower filter (60). 6. The method of claim 5,
And a valve (102) disposed on an upper surface of the first partition (11) to open and close the through hole (101). The method according to claim 6,
And a valve spring 103 connecting the lower portion of the valve 102 and the upper portion of the lower surface of the canister body 10 and restoring the valve 102 by the elastic force when the valve 102 is opened Characterized by a canister for a vehicle. The method according to claim 1,
And a plurality of third partitions (110) arranged in a plane of the first partition (11). The method according to claim 1,
And a plurality of fourth partitions (120) disposed on an upper portion of a bottom surface of the canister body (10).
KR1020140138306A 2014-10-14 2014-10-14 Canister for vehicles KR20160043733A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020140138306A KR20160043733A (en) 2014-10-14 2014-10-14 Canister for vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140138306A KR20160043733A (en) 2014-10-14 2014-10-14 Canister for vehicles

Publications (1)

Publication Number Publication Date
KR20160043733A true KR20160043733A (en) 2016-04-22

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Family Applications (1)

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KR1020140138306A KR20160043733A (en) 2014-10-14 2014-10-14 Canister for vehicles

Country Status (1)

Country Link
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