EP0631043A1 - Filtre de charbon actif pour dégazage de réservoir de carburant - Google Patents
Filtre de charbon actif pour dégazage de réservoir de carburant Download PDFInfo
- Publication number
- EP0631043A1 EP0631043A1 EP94104159A EP94104159A EP0631043A1 EP 0631043 A1 EP0631043 A1 EP 0631043A1 EP 94104159 A EP94104159 A EP 94104159A EP 94104159 A EP94104159 A EP 94104159A EP 0631043 A1 EP0631043 A1 EP 0631043A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- activated carbon
- connection
- housing
- carbon filter
- filter according
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 138
- 239000002828 fuel tank Substances 0.000 title claims abstract description 9
- 238000010926 purge Methods 0.000 title 1
- 238000002485 combustion reaction Methods 0.000 claims abstract description 6
- 239000000446 fuel Substances 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 15
- 239000006260 foam Substances 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 238000013022 venting Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
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
- F02M25/0854—Details of the absorption canister
Definitions
- the invention relates to an activated carbon filter for fuel tank ventilation according to the preamble of the main claim.
- Such activated carbon filters are known from practice. These generally have an activated carbon package in a housing made of plastic, the housing being connected via pipes to the fuel tank, the intake manifold of an internal combustion engine and the atmosphere.
- an inner housing made of plastic is surrounded by an outer housing which is impermeable to fuel vapor.
- This filter is very complex, since the outer housing cannot accommodate the connecting piece and therefore an additional cover has to be attached.
- the outer housing must be placed sealingly over the inner housing so that the fuel vapor-permeable inner housing cannot emit harmful gases into the environment.
- the invention has for its object to avoid the disadvantages mentioned and to create an activated carbon filter that is much easier to manufacture and has a high efficiency with regard to the degree of separation.
- the main advantage of the invention is that the arrangement of at least two intersecting partitions creates at least four filter chambers through which the fuel vapors flow in succession and thus a substantial improvement in the adsorption of the fuel vapor is achieved.
- further walls which of course allows the number of filter chambers to be increased as desired.
- this arrangement in particular has considerable advantages for filters which have a flat design and are installed essentially horizontally. This filter does not require any springs to pretension the activated carbon package, since a bypass or short circuit caused by the deposition of the activated carbon is not possible.
- An advantageous development of the invention provides for the partition walls to be designed such that the fuel vapors flow through all the chambers one after the other in a forced manner. Because of Because of the relatively large passage cross section of a respective chamber, a slow flow velocity is achieved and thus a high adsorption is ensured.
- the separation between the first and the last chamber that is to say between the inlet chamber and the outlet chamber, is completely sealed, so that gas exchange between these two chambers is not possible under any operating condition.
- a further embodiment of the invention is concerned with the respective front cover of the activated carbon.
- a so-called filter foam is advantageously provided, which covers the activated carbon on one or both sides and generates a certain pre-tension due to the elasticity.
- a further embodiment of the invention provides channels for guiding the fuel vapors in one or both end covers of the housing. These channels are designed at the same time so that they increase the stability of the covers and enable the function of supporting the activated carbon or the filter foam.
- connections for the connection to the intake manifold of an internal combustion engine and the connection to the fuel tank can be clipped or snapped onto the housing, or can also be welded and molded onto the housing.
- the cover of the housing is also vibration or mirror welded to the housing.
- FIG. 1 An activated carbon filter is shown in a schematic representation in FIG. 1. It consists of a housing 10 which has a first connection 11. This is connected to the intake pipe of an internal combustion engine. Furthermore, a second connection 12 is provided, which is connected to the fuel tank and through which the fuel vapors are supplied. A connection 13 is also provided. This is related to the atmosphere.
- a first partition 14 is located in the housing of the activated carbon filter connected.
- the further partition 16 is connected between the chamber 17 and the chamber 18 with the lid 21 and in the region between the chambers 19, 20 with both the lid 21 and the bottom 15, so that a complete separation between chamber 19 and chamber 20th is guaranteed.
- the chambers 17 to 20 are each filled with an activated carbon package 22, 23, 24, 25, the activated carbon being provided on the end faces with filter fleece layers which prevent activated carbon from escaping.
- the gasoline or fuel vapors flowing in via the tank connection reach the activated carbon package 23, as shown in section CC, flow upwards and reach via a connection to the activated carbon package 22, flow downwards, then reach the activated carbon package 24 and flow through it and subsequently the activated carbon package 25.
- the fuel vapors are thus passed through all four chambers in succession.
- the hydrocarbon compounds are completely absorbed, only the remaining fresh air can flow into the atmosphere.
- FIG. 2 shows a section through an activated carbon filter in a more detailed structure.
- This activated carbon filter has a housing 26 on which a cover 27 is arranged. Both the housing and cover are made of a thermoplastic. This makes it possible to connect the cover to the housing, for example using vibration welding.
- a partition 28 is integrated in the housing.
- a further partition wall 29 running at right angles to the partition wall 28 is provided.
- the activated carbon 31 is only shown in chamber 30.
- the activated carbon is delimited in the lower area by a filter fleece mat 32 with respect to the channels 33.
- a filter foam 34 is arranged in the upper region.
- the filter fleece mat 34 rests on the arc-shaped spacer of the cover 27.
- 36 channels 35 are provided between the arc-shaped spacers for the flow of the fuel vapors.
- the entire activated carbon filter can be attached to a receptacle via a connecting flange 37, 38.
- FIGS. 3a and 3b A further activated carbon filter is shown in FIGS. 3a and 3b.
- a filter is shown in a side view in FIG. 3a.
- a housing 39 is provided with a cover 40, the cover and housing here also being made of a thermoplastic and welded to one another.
- the cover has channels 41 through which the fuel vapors are conducted from one chamber to the next chamber.
- connections 42 for atmosphere, tank and suction pipe.
- these connections can be fastened to an opening of the housing 39 by means of a rotary welding process or mirror welding. Direct injection of the connections is also possible.
- FIG. 3 c shows in a first variant a connection 46 for supplying the fuel vapors, which is clipped into the housing 39.
- This connection 46 is provided with an immersion tube 47 and has a filter element 48 which prevents activated carbon from escaping.
- the connection 46 is sealed on the housing 39 by means of an O-ring seal 49.
- a connection 50 for the supply of fresh air is located on the right-hand chamber of the activated carbon filter.
- connection 46 is provided with a cover element 51, which is welded to the housing 39 by means of vibration welding.
- connection 50 for the supply of fresh air also has a cover element 52. This is also connected to the housing 39 by means of vibration welding.
- FIG. 3e shows a complete cover 53, which contains all the connections and is fastened to the housing 39 in one work step by means of vibration welding.
- the activated carbon 42, 43 within the housing 39 is covered in the lower area with a filter fleece 44 and in the upper area with a filter foam 45.
- the filter foam 45 has an elasticity which creates a certain pre-tension on the activated carbon and thus prevents a relative movement of the activated carbon in the event of shocks or vibrations.
- FIGS. 3a and 3b An activated carbon filter with two chambers is shown in FIGS. 3a and 3b. Of course there is the possibility to expand this activated carbon filter to four or more chambers.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Separation Of Gases By Adsorption (AREA)
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Filtering Materials (AREA)
- Sampling And Sample Adjustment (AREA)
- Filtration Of Liquid (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4320384A DE4320384A1 (de) | 1993-06-19 | 1993-06-19 | Aktivkohlefilter zur Kraftstofftankentlüftung |
DE4320384 | 1993-06-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0631043A1 true EP0631043A1 (fr) | 1994-12-28 |
EP0631043B1 EP0631043B1 (fr) | 1997-09-17 |
Family
ID=6490727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94104159A Expired - Lifetime EP0631043B1 (fr) | 1993-06-19 | 1994-03-17 | Filtre de charbon actif pour dégazage de réservoir de carburant |
Country Status (13)
Country | Link |
---|---|
US (1) | US5501723A (fr) |
EP (1) | EP0631043B1 (fr) |
JP (1) | JP2846241B2 (fr) |
CN (1) | CN1035208C (fr) |
AT (1) | ATE158381T1 (fr) |
BR (1) | BR9401783A (fr) |
CA (1) | CA2125592C (fr) |
CZ (1) | CZ286783B6 (fr) |
DE (2) | DE4320384A1 (fr) |
ES (1) | ES2109532T3 (fr) |
PL (1) | PL173386B1 (fr) |
SI (1) | SI9400243A (fr) |
ZA (1) | ZA944036B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1956228A1 (fr) * | 2007-02-08 | 2008-08-13 | Delphi Technologies, Inc. | Système de récupération de la vapeur pour réservoir de combustible de véhicule |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5641344A (en) * | 1994-12-05 | 1997-06-24 | Tsuchiya Mfg., Co., Ltd. | Fuel vapor treatment device |
JP3305532B2 (ja) * | 1995-03-30 | 2002-07-22 | 本田技研工業株式会社 | キャニスタ |
US5743943A (en) * | 1995-07-06 | 1998-04-28 | Nippondenso Co., Ltd. | Evaporated fuel adsorbing canister preventing diffusion of fuel therethrough |
DE19541873A1 (de) | 1995-11-09 | 1997-05-15 | Rhodia Ag Rhone Poulenc | Filterzigarette |
WO1997033765A1 (fr) * | 1996-03-13 | 1997-09-18 | Filterwerk Mann+Hummel Gmbh | Filtre d'adsorption variable |
JP3748635B2 (ja) * | 1996-09-20 | 2006-02-22 | アルプス電気株式会社 | 通信装置 |
JP3119823B2 (ja) | 1996-09-20 | 2000-12-25 | アルプス電気株式会社 | 通信装置 |
US5762692A (en) * | 1996-10-04 | 1998-06-09 | Ford Motor Company | Evaporative emissions control system for automotive vehicle |
DE19717196A1 (de) * | 1997-04-24 | 1998-10-29 | Mann & Hummel Filter | Kunststoffhohlraumstruktur |
FR2799389B1 (fr) * | 1999-10-12 | 2001-12-07 | Sofrance Sa | Procede et dispositif de traitement de vapeurs emises lors du pompage de liquides renfermant des composes volatils au cours d'operations de nettoyage ou de remplissage. |
DE19952092C1 (de) * | 1999-10-29 | 2000-10-26 | Daimler Chrysler Ag | Aktivkohlefilter |
US7008470B2 (en) * | 2000-12-25 | 2006-03-07 | Aisan Kogyo Kabushiki Kaisha | Canister |
JP4173065B2 (ja) * | 2002-07-16 | 2008-10-29 | 株式会社マーレ フィルターシステムズ | 蒸発燃料処理装置 |
DE60306943T2 (de) * | 2002-09-16 | 2007-02-08 | Aerocrine Ab | Gasreiniger |
DE102004054114A1 (de) * | 2003-12-30 | 2005-08-04 | Hyundai Motor Co. | Speicher eines Fahrzeuges |
JP2006226138A (ja) * | 2005-02-15 | 2006-08-31 | Denso Corp | キャニスタモジュール |
DE102008034901A1 (de) | 2008-07-26 | 2010-01-28 | Mahle International Gmbh | Moduleinsatz zum Einbau in einen Flüssigkeitsfilter |
DE102009007312A1 (de) * | 2009-02-03 | 2010-08-05 | Mahle International Gmbh | Filtereinrichtung zur Kohlenwasserstoffadsorption |
CN102654090A (zh) * | 2012-04-09 | 2012-09-05 | 刘晶 | 一种环保节油防盗多功能油箱 |
US9365109B2 (en) | 2012-06-22 | 2016-06-14 | Bemis Manufacturing Company | Cap with adsorption media |
DE102015015199A1 (de) | 2015-11-24 | 2017-05-24 | Daimler Ag | Aktivkohlefilter für eine Tankanlage eines Kraftwagens |
DE102016106920B4 (de) | 2016-04-14 | 2022-09-29 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Filtereinrichtung für ein Kraftfahrzeug |
DE102016208787A1 (de) | 2016-05-20 | 2017-11-23 | Kautex Textron Gmbh & Co. Kg | Kraftstoffdampffilter für eine Tankentlüftungseinrichtung eines Kraftfahrzeugs mit verbesserten Beladeeigenschaften |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4381929A (en) * | 1980-04-25 | 1983-05-03 | Nippon Soken, Inc. | Apparatus for adsorbing fuel vapor |
EP0514961A1 (fr) * | 1991-05-20 | 1992-11-25 | General Motors Corporation | Ensemble pour récipient de rétention des vapeurs d'essence |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
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AT29704B (de) * | 1905-08-09 | 1907-08-26 | Sauggas Lokomobil Werke Ges Mi | Gasreiniger und -kühler, besonders für Sauggasanlagen mit mehreren mit Filtermaterial gefüllten und mit Wasser berieselten Kammern. |
US1593137A (en) * | 1924-12-01 | 1926-07-20 | Thomas F O'rourke | Gas filter and strainer |
US3683597A (en) * | 1970-09-17 | 1972-08-15 | Gen Motors Corp | Evaporation loss control |
US3730158A (en) * | 1971-07-28 | 1973-05-01 | Gen Motors Corp | Canister for evaporation loss control |
US4058380A (en) * | 1973-03-02 | 1977-11-15 | Ford Motor Company | Carbon cell |
US4193383A (en) * | 1978-07-27 | 1980-03-18 | General Motors Corporation | Vacuum operated valve arrangement |
US4203401A (en) * | 1979-01-29 | 1980-05-20 | General Motors Corporation | Evaporative emissions canister |
JPS55107057A (en) * | 1979-02-09 | 1980-08-16 | Toyota Motor Corp | Preventive device of fuel evaporation loss |
JPS55119419A (en) * | 1979-03-06 | 1980-09-13 | Nippon Denso Co Ltd | Evaporating fuel recovery apparatus |
JPS5610318A (en) * | 1979-07-06 | 1981-02-02 | Nippon Soken Inc | Canister |
JPS57126127A (en) * | 1981-01-27 | 1982-08-05 | Toshiba Corp | Diffusion treating method for semiconductor wafer |
JPS60206969A (ja) * | 1984-03-31 | 1985-10-18 | Toyota Motor Corp | 蒸発燃料処理装置 |
SE448419B (sv) * | 1984-04-19 | 1987-02-23 | Haldex Ab | Anordning vid ett torktorn for en trycktorkare |
US4598686A (en) * | 1985-03-28 | 1986-07-08 | Casco Products Inc. | Fuel vapor recovery system for automotive vehicles |
US4717401A (en) * | 1986-09-24 | 1988-01-05 | Casco Products Corporation | Fuel vapor recovery system |
JP2606269B2 (ja) * | 1988-03-29 | 1997-04-30 | 株式会社デンソー | 車両用蒸発燃料処理装置 |
JP2605377B2 (ja) * | 1987-09-16 | 1997-04-30 | 株式会社デンソー | 車両用蒸発燃料処理装置 |
JP2605336B2 (ja) * | 1988-03-28 | 1997-04-30 | 株式会社デンソー | 車両用蒸発燃料処理装置 |
US5110330A (en) * | 1990-02-08 | 1992-05-05 | Arrow Pneumatics, Inc. | Filter dryer |
US5002596A (en) * | 1990-05-21 | 1991-03-26 | Chrysler Corporation | Fuel vapor canister |
JPH04161215A (ja) * | 1990-10-26 | 1992-06-04 | Hitachi Ltd | 横型吸着塔 |
US5304235A (en) * | 1991-04-04 | 1994-04-19 | Toyo Roki Seizo Kabushikikaisha | Canister |
DE4124653C2 (de) * | 1991-07-25 | 2002-07-11 | Mahle Filtersysteme Gmbh | Aktivkohlefilter zur Kraftstofftankentlüftung eines Verbrennungsmotors |
JPH0571432A (ja) * | 1991-09-10 | 1993-03-23 | Aisan Ind Co Ltd | 蒸発燃料吸着用キヤニスタ |
JP3146570B2 (ja) * | 1991-11-13 | 2001-03-19 | 株式会社日本自動車部品総合研究所 | 蒸発燃料制御装置 |
DE4140255C3 (de) * | 1991-12-06 | 1999-05-20 | Bosch Gmbh Robert | Entlüftungsvorrichtung für einen Brennstofftank einer Brennkraftmaschine |
-
1993
- 1993-06-19 DE DE4320384A patent/DE4320384A1/de not_active Ceased
-
1994
- 1994-03-17 EP EP94104159A patent/EP0631043B1/fr not_active Expired - Lifetime
- 1994-03-17 AT AT94104159T patent/ATE158381T1/de not_active IP Right Cessation
- 1994-03-17 DE DE59404069T patent/DE59404069D1/de not_active Expired - Fee Related
- 1994-03-17 ES ES94104159T patent/ES2109532T3/es not_active Expired - Lifetime
- 1994-04-20 CZ CZ1994948A patent/CZ286783B6/cs not_active IP Right Cessation
- 1994-05-30 SI SI9400243A patent/SI9400243A/sl unknown
- 1994-06-08 BR BR9401783A patent/BR9401783A/pt not_active Application Discontinuation
- 1994-06-08 ZA ZA944036A patent/ZA944036B/xx unknown
- 1994-06-10 CA CA002125592A patent/CA2125592C/fr not_active Expired - Fee Related
- 1994-06-15 US US08/260,309 patent/US5501723A/en not_active Expired - Fee Related
- 1994-06-17 PL PL94303886A patent/PL173386B1/pl not_active IP Right Cessation
- 1994-06-17 JP JP6135614A patent/JP2846241B2/ja not_active Expired - Fee Related
- 1994-06-18 CN CN94106795A patent/CN1035208C/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4381929A (en) * | 1980-04-25 | 1983-05-03 | Nippon Soken, Inc. | Apparatus for adsorbing fuel vapor |
EP0514961A1 (fr) * | 1991-05-20 | 1992-11-25 | General Motors Corporation | Ensemble pour récipient de rétention des vapeurs d'essence |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1956228A1 (fr) * | 2007-02-08 | 2008-08-13 | Delphi Technologies, Inc. | Système de récupération de la vapeur pour réservoir de combustible de véhicule |
Also Published As
Publication number | Publication date |
---|---|
CZ94894A3 (en) | 1995-01-18 |
DE59404069D1 (de) | 1997-10-23 |
DE4320384A1 (de) | 1994-12-22 |
ES2109532T3 (es) | 1998-01-16 |
CN1098369A (zh) | 1995-02-08 |
ZA944036B (en) | 1995-02-02 |
JP2846241B2 (ja) | 1999-01-13 |
ATE158381T1 (de) | 1997-10-15 |
EP0631043B1 (fr) | 1997-09-17 |
CA2125592C (fr) | 2000-11-07 |
PL303886A1 (en) | 1994-12-27 |
BR9401783A (pt) | 1995-01-17 |
PL173386B1 (pl) | 1998-02-27 |
CN1035208C (zh) | 1997-06-18 |
SI9400243A (en) | 1995-02-28 |
CA2125592A1 (fr) | 1994-12-20 |
CZ286783B6 (en) | 2000-07-12 |
US5501723A (en) | 1996-03-26 |
JPH0771337A (ja) | 1995-03-14 |
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