JPS6120707B2 - - Google Patents
Info
- Publication number
- JPS6120707B2 JPS6120707B2 JP15447879A JP15447879A JPS6120707B2 JP S6120707 B2 JPS6120707 B2 JP S6120707B2 JP 15447879 A JP15447879 A JP 15447879A JP 15447879 A JP15447879 A JP 15447879A JP S6120707 B2 JPS6120707 B2 JP S6120707B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel vapor
- fuel
- vapor storage
- air
- storage bed
- 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.)
- Expired
Links
- 239000000446 fuel Substances 0.000 claims description 85
- 238000010926 purge Methods 0.000 claims description 14
- 239000002828 fuel tank Substances 0.000 claims description 11
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 230000000153 supplemental effect Effects 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
- F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
-
- 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
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/04—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
【発明の詳細な説明】 本発明は内燃機関燃料蒸発制御系に関する。[Detailed description of the invention] The present invention relates to an internal combustion engine fuel evaporation control system.
現代の自動車内燃機関において、機関燃料タン
クおよび気化器燃料ボールからの通気管路を燃料
蒸気貯蔵罐に連結せしめることは知られている。
機関が作動していない時に周囲温度を増大せしめ
ることにより空気および燃料蒸気が通気管路を介
して変位するにつれて、罐は燃料蒸気を捕捉して
その大気中への損失を防止する。 In modern motor vehicle internal combustion engines, it is known to connect vent lines from the engine fuel tank and carburetor fuel bowl to a fuel vapor storage can.
As the air and fuel vapors are displaced through the vent line by increasing the ambient temperature when the engine is not running, the can captures the fuel vapors and prevents their loss to the atmosphere.
かかる系内における罐が燃料蒸気で飽和すれ
ば、燃料タンクまたは気化燃料ボールから変位せ
しめられるすべての付加的な蒸気は罐を介し且つ
その通気孔を介して大気中へと移動する。しか
も、罐が飽和していない時でも、罐を介する空気
および燃料蒸気の流れは先に罐内に貯えられた燃
料蒸気の若干を罐通気孔を経て大気中へと一掃せ
しめる。 Once the can in such a system is saturated with fuel vapor, any additional vapor displaced from the fuel tank or vaporized fuel ball will pass through the can and into the atmosphere through its vents. Moreover, even when the can is not saturated, the flow of air and fuel vapor through the can causes some of the fuel vapor previously stored in the can to be swept out into the atmosphere through the can vent.
罐を介する燃料蒸気の損失を防止しようとする
切期の提案は罐の大きさを増大せしめるかまたは
罐を補充罐を介して通気せしめることを伴つてい
た。 Recent proposals to prevent the loss of fuel vapor through the can have involved increasing the size of the can or venting the can through a refill can.
かかる提案は燃料蒸気による罐の飽和を防止し
うるが、罐を介する空気および燃料蒸気の流れに
より罐からの燃料蒸気の損失が増大するものであ
る。 Although such proposals may prevent saturation of the can with fuel vapor, the flow of air and fuel vapor through the can increases the loss of fuel vapor from the can.
本発明によれば、かかる損失は燃料蒸気貯蔵罐
を機関空気クリーナに通気せしめ且つ空気クリー
ナ内に補完的燃料蒸気貯蔵ベツドを配置して罐か
ら失われた燃料蒸気を捕捉することにより防止さ
れる。補完的貯蔵ベツドは機関の作動時に機関空
気流により完全にパージされ、そしてほぼ完全に
パージされた補完的貯蔵ベツドは次いで罐から失
われるほぼすべての燃料蒸気を捕捉することがで
きる。 In accordance with the present invention, such losses are prevented by venting the fuel vapor storage can to the engine air cleaner and locating a supplemental fuel vapor storage bed within the air cleaner to capture fuel vapor lost from the can. . The supplemental storage bed is completely purged by the engine air flow during engine operation, and the nearly completely purged supplemental storage bed can then capture substantially all of the fuel vapor lost from the can.
以下本発明の好ましい一実施例を図面によつて
説明する。 A preferred embodiment of the present invention will be described below with reference to the drawings.
第１図は気化器１２と空気誘導通路１６が貫通
する空気クリーナ１４とを有する内燃機関１０を
示す。 FIG. 1 shows an internal combustion engine 10 having a carburetor 12 and an air cleaner 14 through which an air guide passage 16 passes.
気化器１２は燃料タンク２０から燃料管路（不
図示）を介して液体燃料を受取る燃料ボール１８
を有する。燃料ボール１８は公知のようにして空
気誘導通路１６へ燃料を送出すものであつて燃料
ボール圧力を空気誘導通路１６の入口部分内の圧
力と等しく維持するための内部通気孔２２を有す
る。 The carburetor 12 includes a fuel bowl 18 that receives liquid fuel from a fuel tank 20 via a fuel line (not shown).
has. The fuel ball 18 has an internal vent 22 for delivering fuel to the air guide passage 16 in a known manner and for maintaining the fuel ball pressure equal to the pressure within the inlet portion of the air guide passage 16.
燃料タンク２０から燃料蒸気貯蔵罐２６へと燃
料タンク通気管路２４が延び、また気化器燃料ボ
ール１８から燃料蒸気貯蔵罐２６へと燃料ボール
通気管路２８が延びている。燃料蒸気貯蔵罐２６
についてはここでは本発明の理解に必要な程度し
か述べない。 A fuel tank vent line 24 extends from the fuel tank 20 to a fuel vapor storage can 26, and a fuel ball vent line 28 extends from the carburetor fuel bowl 18 to a fuel vapor storage can 26. Fuel vapor storage can 26
will be described here only to the extent necessary for understanding the present invention.
燃料蒸気貯蔵罐２６は底部をグリツド３２およ
びカバー３４で閉鎖されたカツプ状ハウジング３
０で形成されている。環状仕切板３６が燃料蒸気
貯蔵罐２６の内部を内側部分３８と外側部分４０
とに分割しておりその各々には主燃料蒸気貯蔵ベ
ツドを形成するために活性炭が充填されている。
燃料タンク通気管路２４は金具４２を介して外側
部分４０の上部内へと開口し、燃料ボール通気管
路２８は金具４４を介して内側部分３８の上部に
連結されている。金具４４内に配置された燃料ボ
ール通気弁４６は機関が作動していない時に燃料
ボール１８から燃料ボール通気管路２８を介して
燃料蒸気貯蔵罐２６へと至る蒸気流を許容すべく
ばね４８により付勢されている。機関１０が作動
している時には、ダイアフラム５０が絞り５２の
下流で空気誘導通路１６内の大気圧以下の圧力に
応答して燃料ボール通気弁４６をばね４８の付勢
に抗して上昇せしめて金具４４を閉鎖する。 The fuel vapor storage can 26 has a cup-shaped housing 3 closed at the bottom with a grid 32 and a cover 34.
It is made up of 0. An annular partition plate 36 divides the interior of the fuel vapor storage can 26 into an inner portion 38 and an outer portion 40.
It is divided into two parts, each filled with activated carbon to form a main fuel vapor storage bed.
The fuel tank vent line 24 opens into the top of the outer section 40 via a fitting 42 and the fuel ball vent line 28 is connected to the top of the inner section 38 via a fitting 44. A fuel ball vent valve 46 located within fitting 44 is activated by a spring 48 to permit vapor flow from fuel ball 18 through fuel ball vent line 28 to fuel vapor storage can 26 when the engine is not operating. energized. When engine 10 is operating, diaphragm 50 causes fuel ball vent valve 46 to rise against the bias of spring 48 in response to subatmospheric pressure in air guide passage 16 downstream of restriction 52. Close the fitting 44.
機関１０が作動していない時に温度が増大する
と、空気および燃料蒸気は燃料ボール１８および
燃料タンク２０から変位してそれぞれの通気管路
２８，２４を介して燃料蒸気貯蔵罐２６へと流れ
る。その流れは主燃料蒸気貯蔵ベツドの内側およ
び外側部分３８，４０を介してグリツド３２とカ
バー３４間の空間５４内へと下方に移動し、次い
でスタンドパイプ５６および罐通気管路５８を介
して空気クリーナ１４へと上方に移動する。燃料
蒸気貯蔵ベツド内の活性炭は燃料蒸気を捕捉して
その大気中への損失を防止する。 As temperatures increase when engine 10 is not operating, air and fuel vapors are displaced from fuel bowl 18 and fuel tank 20 and flow through respective vent lines 28, 24 to fuel vapor storage can 26. The flow moves downwardly through the inner and outer portions 38, 40 of the main fuel vapor storage bed into the space 54 between the grid 32 and the cover 34, and then through the standpipe 56 and canister vent line 58 to air. Move upward to cleaner 14. Activated carbon in the fuel vapor storage bed traps fuel vapor and prevents its loss to the atmosphere.
機関１０の作動時には、絞り５２の下流におけ
る空気誘導通路１６内の大気圧以下の圧力がフイ
ルタ要素６０により浄化された空気を空気クリー
ナ１４から罐通気管路５８およびスタンドパイプ
５６を介して空間５４内へと引込み次いで主燃料
蒸気貯蔵ベツドの内側および外側部分３８，４０
を介してパージ金具６２へと上方に引込む。かか
る空気流は機関１０が作動していない時に活性炭
が再び燃料蒸気を吸収するように活性炭から燃料
蒸気を一掃する。そのパージ空気流量は１対のパ
ージ・オリフイス６３ａ，６３ｂにより決定され
る。 During operation of the engine 10 , subatmospheric pressure in the air guide passage 16 downstream of the restriction 52 directs air purified by the filter element 60 from the air cleaner 14 via the can vent line 58 and the standpipe 56 to the space 54 . then the inner and outer portions 38, 40 of the main fuel vapor storage bed.
through the purge fitting 62. Such airflow sweeps fuel vapor away from the activated carbon so that the activated carbon can absorb fuel vapor again when the engine 10 is not operating. The purge air flow rate is determined by a pair of purge orifices 63a, 63b.
所望とあれば、ダイアフラム・パージ弁６４が
閉鎖絞り機関作動時にばね６６の付勢のもとにパ
ージ金具６２を横切つて閉じてもよい。絞り５２
が開放されると、その下方の大気圧以下の誘導通
路圧がダイアフラム・パージ弁６４をばね６６の
付勢に抗して上昇せしめてパージ金具６２を開放
せしめる。付加的なパージ・オリフイス６３ｃが
ダイアフラム・パージ弁６４をバイパスして閉鎖
絞り機関作動時に制限されたパージ流を許容する
ことができる。 If desired, diaphragm purge valve 64 may close across purge fitting 62 under the bias of spring 66 during closing throttle operation. Aperture 52
When the purge fitting 62 is opened, the subatmospheric induction passage pressure below it causes the diaphragm purge valve 64 to rise against the bias of the spring 66, causing the purge fitting 62 to open. An additional purge orifice 63c can bypass diaphragm purge valve 64 to allow limited purge flow during closed throttle operation.
燃料蒸気貯蔵罐２６は燃料ボール１８および燃
料タンク２０から変位せしめられる燃料蒸気を捕
捉するのにきわめて有効である。しかし、主燃料
蒸気貯蔵ベツドを介する空気および燃料の流れは
若干の燃料蒸気を該主燃料蒸気貯蔵ベツドから一
掃せしめ空間５４、スタンドパイプ５６、罐通気
管路５８および空気クリーナ１４を介して大気中
へと運ばせてしまう恐れがある。かかる燃料蒸気
を捕捉するために補完的燃料蒸気貯蔵ベツド６８
が空気クリーナ１４内に設けられている。特に第
２図に示すごとく、補完的燃料蒸気貯蔵ベツド６
８はフイルタ要素６０の内方に位置し環状外形を
有し、上側および下側キヤツプ７４，７６内に装
着された内側および外側スクリーン７０，７２に
より保持された活性炭で形成されている。補完的
燃料蒸気貯蔵ベツド６８は下側空気クリーナ板７
８に固定され上側空気クリーナ板８０へと一部上
方に延びている。従つて、機関誘導空気流の一部
はベツド６８を通過してそこから燃料蒸気を一掃
する一方、機関１０誘導空気流の若干は補完的燃
料蒸気貯蔵ベツド６８と上側空気クリーナ板８０
との間の空間８２を通過する。従つて補完的燃料
蒸気貯蔵ベツド６８内に貯えられた燃料蒸気は空
気誘導通路１６を介する空気流によりほぼ完全に
一掃されることができ補完的燃料蒸気貯蔵ベツド
６８は誘導空気流を不当に限定することがない。 Fuel vapor storage can 26 is highly effective in capturing fuel vapor displaced from fuel bowl 18 and fuel tank 20. However, the flow of air and fuel through the main fuel vapor storage bed causes some fuel vapor to be swept out of the main fuel vapor storage bed and into the atmosphere via space 54, standpipe 56, can vent line 58 and air cleaner 14. There is a risk that it will lead to. A complementary fuel vapor storage bed 68 is provided to capture such fuel vapor.
is provided within the air cleaner 14. In particular, as shown in FIG.
8 is located inside the filter element 60 and has an annular profile and is formed of activated carbon held by inner and outer screens 70,72 mounted within upper and lower caps 74,76. A supplementary fuel vapor storage bed 68 is connected to the lower air cleaner plate 7.
8 and extends partially upwardly to an upper air cleaner plate 80. Thus, a portion of the engine induced air flow passes through the bed 68 to purge fuel vapor therefrom, while a portion of the engine 10 induced air flow passes through the complementary fuel vapor storage bed 68 and the upper air cleaner plate 80.
It passes through the space 82 between. Therefore, the fuel vapor stored in the supplementary fuel vapor storage bed 68 can be almost completely swept away by the airflow through the air induction passage 16, and the supplementary fuel vapor storage bed 68 can unduly limit the induced airflow. There's nothing to do.
罐通気管路５８は補完的燃料蒸気貯蔵ベツド６
８の内方に配置された金具８４を介して空気クリ
ーナ１４に連結されている。所望とあれば、金具
８４上に案内羽根（不図示）を配置して罐通気管
路５８を介して補完的燃料蒸気貯蔵ベツド６８内
へ至るすべての燃料蒸気の分散を確実ならしめる
ようにしてもよい。 Can vent line 58 connects to complementary fuel vapor storage bed 6
The air cleaner 14 is connected to the air cleaner 14 via a metal fitting 84 disposed inside the air cleaner 8 . If desired, guide vanes (not shown) may be placed on the fitting 84 to ensure the dispersion of all fuel vapors through the can vent line 58 and into the supplemental fuel vapor storage bed 68. Good too.
空気クリーナ１４は誘導空気流をほぼ一定の温
度に維持するために熱センサ８６および真空作動
される吸気弁機構８８（第１図）を含む。 Air cleaner 14 includes a thermal sensor 86 and a vacuum operated intake valve mechanism 88 (FIG. 1) to maintain the induced air flow at a substantially constant temperature.
この構成により、補完的燃料蒸気貯蔵ベツド６
８内に貯えられたすべての燃料蒸気は機関の作動
時に空気クリーナ１４を介する機関誘導空気流に
よりほぼ完全に一掃されることにより、燃料貯蔵
罐２６から失われたほぼすべての燃料蒸気は機関
が作動していない時には補完的燃料蒸気貯蔵ベツ
ド６８内に貯えられることが可能となる。 This configuration provides a complementary fuel vapor storage bed 6
8 is almost completely swept away by the engine induced air flow through the air cleaner 14 during engine operation, so that almost all the fuel vapor lost from the fuel storage can 26 is removed by the engine. Supplemental fuel can be stored in vapor storage bed 68 when not in operation.
第１図は本発明による燃料蒸発制御系をそなえ
た内燃機関の概略図、第２図は機関空気クリーナ
の垂直断面図であつて補完的燃料蒸気貯蔵ベツド
および燃料貯蔵罐のための通気連結を示す図であ
る。
〔主要部分の符号の説明〕、１６……空気誘導
通路、３８，４０……主燃料蒸気貯蔵ベツド、５
８……罐通気管路、６８……補完的燃料蒸気貯蔵
ベツド。
FIG. 1 is a schematic diagram of an internal combustion engine equipped with a fuel evaporation control system according to the invention, and FIG. 2 is a vertical cross-sectional view of the engine air cleaner, including a supplementary fuel vapor storage bed and a vent connection for the fuel storage can. FIG. [Description of symbols of main parts], 16... Air guide passage, 38, 40... Main fuel vapor storage bed, 5
8... Can vent line, 68... Supplementary fuel vapor storage bed.
Claims (1)
８，４０を収容する燃料蒸気貯蔵罐２６と、前記
燃料タンクから失われた燃料蒸気を前記主燃料蒸
気貯蔵ベツドに送出するための燃料タンク通気管
路２４と、機関へ空気を送出するための空気誘導
通路１６と、前記主燃料蒸気貯蔵ベツド内に貯え
られた燃料蒸気を前記空気誘導通路へ送出するた
めのパージ金具６２と、 前記主燃料蒸気貯蔵ベツド３８，４０から失な
われた燃料蒸気を補完的燃料蒸気貯蔵ベツド６８
へ送出すべく配置された罐通気管路５８とを有す
る内燃機関において；前記補完的燃料蒸気貯蔵ベ
ツドは、その内部に貯えられた燃料蒸気が機関の
作動時に前記空気誘導通路１６を介する空気流に
よりほぼ完全に一掃されるような位置において前
記空気誘導通路１６に配置されていることを特徴
とする内燃機関。[Claims] 1. Fuel tank 20 and main fuel vapor storage bed 3
a fuel vapor storage can 26 for accommodating fuel vapors 8 and 40, a fuel tank vent line 24 for delivering fuel vapor lost from the fuel tank to the main fuel vapor storage bed, and a fuel vapor storage can for delivering air to the engine. an air guide passage 16; a purge fitting 62 for delivering fuel vapor stored in the main fuel vapor storage bed to the air guide passage; and a purge fitting 62 for discharging fuel vapor stored in the main fuel vapor storage bed to the air guide passage; Complementary fuel vapor storage bed 68
in an internal combustion engine having a can vent conduit 58 arranged to deliver the fuel vapor stored therein to the air flow through the air guide passage 16 during operation of the engine. An internal combustion engine, characterized in that the internal combustion engine is arranged in the air guide passage 16 in such a position that it is almost completely swept away by the air.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US96492578A | 1978-11-30 | 1978-11-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5575561A JPS5575561A (en) | 1980-06-06 |
| JPS6120707B2 true JPS6120707B2 (en) | 1986-05-23 |
Family
ID=25509174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15447879A Granted JPS5575561A (en) | 1978-11-30 | 1979-11-30 | Internal combustion engine having evaporation control system |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5575561A (en) |
| AU (1) | AU522505B2 (en) |
| CA (1) | CA1124594A (en) |
| DE (1) | DE2943452A1 (en) |
| FR (1) | FR2442972A1 (en) |
| GB (1) | GB2035451B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59136554A (en) * | 1983-01-25 | 1984-08-06 | Nissan Motor Co Ltd | Evaporated fuel control device for internal-combustion engine equipped with supercharger |
| JPS59213941A (en) * | 1983-05-19 | 1984-12-03 | Fuji Heavy Ind Ltd | Fuel evaporation gas suppressor |
| US4714485A (en) * | 1986-04-14 | 1987-12-22 | General Motors Corporation | Fuel vapor storage canister |
| US4683862A (en) * | 1986-04-14 | 1987-08-04 | General Motors Corporation | Fuel vapor storage canister |
| US5148793A (en) * | 1991-05-20 | 1992-09-22 | General Motors Corporation | Compartmental evaporative canister and pressure control valve assembly |
| US5429099A (en) * | 1994-09-08 | 1995-07-04 | Lectron Products, Inc. | Anti-permeation filter for vapor management valve |
| WO1997044581A1 (en) * | 1996-12-09 | 1997-11-27 | Hideaki Watase | Combustion enhancing apparatus |
| US6637415B2 (en) | 2000-11-17 | 2003-10-28 | Toyota Jidosha Kabushiki Kaisha | Evaporative fuel leakage preventing device for internal combustion engine |
| DE10102604A1 (en) * | 2001-01-20 | 2002-07-25 | Mann & Hummel Filter | Air intake system, for an IC motor, has a connected fuel vapor filter to adsorb hydrocarbons and prevent their escape into the ambient environment |
| JP2003041975A (en) * | 2001-08-01 | 2003-02-13 | Nippon Soken Inc | Discharge preventing device for hydrocarbon in intake system for internal combustion engine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3352294A (en) * | 1965-07-28 | 1967-11-14 | Exxon Research Engineering Co | Process and device for preventing evaporation loss |
| DE1955220A1 (en) * | 1966-05-09 | 1970-07-16 | Exxon Research Engineering Co | Method and device for operating an internal combustion engine |
| US3515107A (en) * | 1968-05-31 | 1970-06-02 | Calgon C0Rp | Two-bed evaporative loss control device |
| US3572014A (en) * | 1968-11-01 | 1971-03-23 | Ford Motor Co | Engine air cleaner carbon bed filter element construction |
| DE1927046A1 (en) * | 1969-05-28 | 1970-12-10 | Porsche Kg | Device for separating fuel from the air emerging from the fuel supply system of an internal combustion engine |
| US3575152A (en) * | 1969-10-01 | 1971-04-20 | Gen Motors Corp | Vapor recovery using a plurality of progressively absorbent beds connected in series |
| US3747303A (en) * | 1971-06-01 | 1973-07-24 | Gen Motors Corp | Air-filter and carbon-bed element for an air cleaner assembly |
| US3844739A (en) * | 1972-10-05 | 1974-10-29 | Dow Chemical Co | Apparatus and method for the prevention of evaporative loss of mixed organic liquids |
-
1979
- 1979-10-23 CA CA338,242A patent/CA1124594A/en not_active Expired
- 1979-10-24 AU AU52124/79A patent/AU522505B2/en not_active Ceased
- 1979-10-25 DE DE19792943452 patent/DE2943452A1/en active Granted
- 1979-11-08 GB GB7938684A patent/GB2035451B/en not_active Expired
- 1979-11-26 FR FR7929061A patent/FR2442972A1/en active Granted
- 1979-11-30 JP JP15447879A patent/JPS5575561A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| AU522505B2 (en) | 1982-06-10 |
| DE2943452C2 (en) | 1987-03-19 |
| JPS5575561A (en) | 1980-06-06 |
| CA1124594A (en) | 1982-06-01 |
| DE2943452A1 (en) | 1980-06-12 |
| FR2442972B1 (en) | 1985-04-12 |
| GB2035451A (en) | 1980-06-18 |
| FR2442972A1 (en) | 1980-06-27 |
| GB2035451B (en) | 1983-04-13 |
| AU5212479A (en) | 1980-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4203401A (en) | Evaporative emissions canister | |
| US5722374A (en) | Fuel storing device for an automobile | |
| US4175526A (en) | Apparatus for venting fuel vapors from a carburetor fuel bowl | |
| US4280466A (en) | Evaporative emission control device | |
| US3646731A (en) | Air cleaner and fuel vapor storage assembly remotely associated with an engine | |
| US4300511A (en) | Multi-functional assembly | |
| CA1151030A (en) | Proportional flow fuel vapor purge control device | |
| US3678663A (en) | Air cleaner remote from engine and having integrated fuel vapor adsorption means | |
| US4308841A (en) | Emission control system with integrated evaporative canister purge | |
| US4193383A (en) | Vacuum operated valve arrangement | |
| US4153025A (en) | Fuel tank vapor flow control valve | |
| JP2538101B2 (en) | Fuel tank device | |
| US4085721A (en) | Evaporation purge control device | |
| US3517654A (en) | Evaporative emission control system | |
| JPS60199727A (en) | Fuel tank for car | |
| JPS6120707B2 (en) | ||
| US3554175A (en) | Evaporative emission control system | |
| JPS5974332A (en) | Lawnmower | |
| US4137882A (en) | Emission control system with altitude compensated purge valve | |
| US3852381A (en) | Carburetor | |
| US4306520A (en) | Water vapor injector for combustion engine air intake | |
| US6786227B2 (en) | System and method including a fuel tank isolation valve | |
| US4387062A (en) | Carburetor float chamber venting system | |
| JPH0741885Y2 (en) | Canister | |
| US2844364A (en) | Fuel supply system for internal combustion engines |