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1. 发明专利

JPH04153556A EVAPORATED FUEL PROCESSING DEVICE 失效
公开(公告)号：JPH04153556A
公开(公告)日：1992-05-27
申请号：JP27403390
申请日：1990-10-13
申请人： TOYOTA MOTOR CORP , TOYODA GOSEI KK , TOYOTA CENTRAL RES & DEV
发明人： ITO TAKAAKI , MORIMITSU NOBUTAKA , OHASHI TAMIYOSHI , OTA TAKASHI
IPC分类号： F02M25/08
摘要： PURPOSE:To improve the purging faculty by installing a purge air selector means for selecting the stream of the purge air according to the swelling state of an organic polymer layer and introducing the purge air into an organic polymer layer when the organic polymer layer is swollen. CONSTITUTION:A selector mechanism 18 formed at the inside center position of an organic polymer layer 15 is constituted of a valve 14 and a leaf spring 21, and the valve 14 is shifted in the vertical direction by the leaf spring 21 in deflected state. The outer shape of a filter 17 is changed by the pressure due to the swelling of the organic polymer compound 16 introduced into the lower part of the filter 17, and the volume change due to the swelling is concentrated at the part opposed to the leaf spring 21, and urges the leaf spring 21 upwardly through the filter 17. A large quantity of liquid fuel and high boiling point vapor are absorbed by the organic high polymeric layer 15, and when the organic polymer compound 16 is swollen, the first branched passage 13 is closed by the selector mechanism 18, and the second branched passage 24 is opened. In this state, the purge air introduced from an atmosphere conduit 25 is sucked into an engine, and the fuel caught by a canister 1 is discharged.

2. 发明专利

JPH03130570A TRAPPER AND CAPTURE ABSORBING AGENT AND UNIT FOR FUEL OR THE LIKE 失效
公开(公告)号：JPH03130570A
公开(公告)日：1991-06-04
申请号：JP5472190
申请日：1990-03-06
申请人： TOYOTA CENTRAL RES & DEV , TOYODA GOSEI KK , TOYOTA MOTOR CORP
发明人： KURAUCHI NORIO , OKADA AKANE , HIROSE MIHARU , OTA TAKASHI , MATSUSHITA MITSUMASA , OHASHI TAMIYOSHI , MIZUNO MASAMI , AOKI TOMOHIDE , OKUMOTO TADAOKI , SASAKI KOJI , ITO HIROSHI , NODA FUMIYOSHI , MORIMITSU NOBUTAKA
IPC分类号： F02M25/08
摘要： PURPOSE:To increase ability of capture-absorbing fuel or the like by using an organic high molecule, which has nature of dissolving or swelling in fuel further with good heat resistance, as an absorbing agent for capturing the fuel or the like received in a trapper vessel such as a canister. CONSTITUTION:An automobile canister 1 is formed of a granular absorbing agent 2 and a main unit 10 which is a vessel for housing this absorbing agent 2, and in the main unit 10, the first and second introducing pipes 13, 14 and a purge pipe 16 are fixed to 4 cover unit 11, provided in the upper end of the main unit 10, with a point end part 141 of the second introducing pipe 14 inserted to a position in the vicinity of the center of the main unit 10. Here as the absorbing agent 2, an organic high molecule, having nature of dissolving or swelling in fuel further with good heat resistance, for instance, polycarbonate resin, acrylic resin, ABS resin, acetal resin, etc., is used. This absorbing agent is formed in a shape with a diameter or thickness in about 3mm or less so that absorption is advanced to the center part.

3. 发明专利

JPH05215022A VAPORIZED FUEL TREATING EQUIPMENT 失效
公开(公告)号：JPH05215022A
公开(公告)日：1993-08-24
申请号：JP4630992
申请日：1992-01-31
申请人： TOYODA GOSEI KK , TOYOTA MOTOR CORP , TOYOTA CENTRAL RES & DEV , NIPPON DENSO CO , AISAN IND
发明人： HANABUSA HISAO , OHASHI TAMIYOSHI , MIZUNO MASAMI , AOKI TOMOHIDE , MORIMITSU NOBUTAKA , ITO TAKAAKI , OTA TAKASHI , SATO NORIO , OKADA AKANE , KOYAMA NOBUHIKO , KOEDA KENJI , YAMADA HIDEO
IPC分类号： F02M25/08
摘要： PURPOSE:To prevent deterioration of absorbing performance of activated carbon in the case where a liquid content in vaporized fuel is absorbed to the activated carbon, and prevent a polymeric absorbent from being filled excessively during traveling of an automobile. CONSTITUTION:A lower chamber 34 is disposed under an activated carbon chamber 11. A polymer chamber 12 filled with an organic polymeric absorbent 5 is divided into a plurality of division chambers 121-125. An introducing pipe 15 for introducing vaporized fuel and a purge pipe 16 are connected to a first space chamber 31 disposed above the polymer chamber 12. A third space chamber 33 for sucking the atmosphere is provided above the activated carbon chamber 11, and is connected to an atmosphere pipe 17. The lower chamber 34 is communicated with a second space chamber 32 in the lower portion. The shallow filling depth of the polymeric absorbent 5 can prevent the polymeric absorbent 5 from being filled excessively. Consequently, the polymeric absorbent can be freely swelled, thereby enhancing absorbing performance of the polymer chamber.

4. 发明专利

JPH05202818A EVAPORATE FUEL DISPOSAL DEVICE 失效
公开(公告)号：JPH05202818A
公开(公告)日：1993-08-10
申请号：JP4008992
申请日：1992-01-30
申请人： TOYODA GOSEI KK , TOYOTA MOTOR CORP , TOYOTA CENTRAL RES & DEV , NIPPON DENSO CO , AISAN IND
发明人： HANABUSA HISAO , OHASHI TAMIYOSHI , MIZUNO MASAMI , AOKI TOMOHIDE , MORIMITSU NOBUTAKA , ITO TAKAAKI , OTA TAKASHI , SATO NORIO , OKADA AKANE , KOYAMA NOBUHIKO , KOEDA KENJI , YAMADA HIDEO
IPC分类号： F02M25/08
摘要： PURPOSE:To provide an evaporated fuel disposal device which may prevent liquid evaporated fuel from making contact with activated carbon and which may efficiently separate evaporated fuel from a polymer absorbent which absorbs evaporated fuel so as to be swelled. CONSTITUTION:An activated carbon chamber 11 filled therein with activated carbon is provided below a polymer chamber 12 filled with polymer absorbent 5. Further, an introduction pipe 15 and a purge pipe 17 are provided above the polymer chamber 12. An atmospheric air introduction pipe 17 is connected to the upper part of the activated carbon chamber 11. Further, a communication pipe 12 is connected between a second space chamber 32 and a fourth space chamber 35 below the activated carbon chamber 11. Columnar bodies 16 for promoting the separation of evaporated fuel is disposed in the polymer chamber 12.

5. 发明专利

JPH0515722A EVAPORATIVE FUEL TREATMENT DEVICE 失效
公开(公告)号：JPH0515722A
公开(公告)日：1993-01-26
申请号：JP19707191
申请日：1991-07-11
申请人： TOYODA GOSEI KK , TOYOTA CENTRAL RES & DEV , TOYOTA MOTOR CORP
发明人： HANABUSA HISAO , OHASHI TAMIYOSHI , MIZUNO MASAMI , AOKI TOMOHIDE , OTA TAKASHI , SATO NORIO , OKADA AKANE , YASUKAWA MASAO , ITO TAKAAKI
IPC分类号： B01D53/04 , B01D53/14 , F02M25/08
摘要： PURPOSE:To make the size of an evaporative fuel treatment device smaller by making liquid evaporative fuel absorbed into an organic macromolecular absorbent in a macromolecule chamber while making only gas thereof adsorbent activated carbon, thereby eliminating degradation of evaporative fuel capturing performance due to the adsorption of the liquid on activated carbon. CONSTITUTION:An activated carbon chamber 11 filled with acitivated carbon 4 is provided under a macromolecule chamber 12 loaded with organic macromolecular absorbents 5 (e.g. polypropylene). And an admitting pipe 15 for admitting evaporative fuel and a purge pipe 16 are connected to a first space 31 provided above the chamber 12. A third space 33 for admitting the atmosphere is provided above the chamber 11 and an atmosphere pipe 17 is connected to the space 33. Further, a communication pipe 36 is interconnected between a second space 32 and a fourth space 35 under the chamber 11. As a result, liquid of evaporative fuel is absorbed into the absorbents 5 in the chamber 12, while only gas thereof is adsorbed on the activated carbon, whereby degradation of evaporative fuel capturing performance due to the adsorption of liquid on activated carbon can be avoided, thereby reducing the size of an evaporative fuel treatment device.

6. 发明专利

JPH05195884A EVAPORATED FUEL PROCESSING DEVICE 失效
公开(公告)号：JPH05195884A
公开(公告)日：1993-08-03
申请号：JP26536192
申请日：1992-09-08
申请人： TOYODA GOSEI KK , TOYOTA MOTOR CORP , TOYOTA CENTRAL RES & DEV
发明人： HANABUSA HISAO , OHASHI TAMIYOSHI , MIZUNO MASAMI , AOKI TOMOHIDE , SAWADA YOSHIHIRO , NAKAGAWA MASAYUKI , MORIMITSU NOBUTAKA , HIYOUDOU YOSHIHIKO , ITO TAKAAKI , OTA TAKASHI , SATO NORIO , OKADA AKANE
IPC分类号： B01D53/04 , F02M25/08
摘要： PURPOSE:To prevent transfer of evaporated fuel absorbed in high polymer absorbent to the activated carbon in an activated carbon chamber and prevent evaporated fuel of liquid to be absorbed into activated carbon, in parking or stopping of an automobile. CONSTITUTION:The evaporated fuel processing device is provided with a high polymer chamber 12 filled with high polymer absorbent 3 and an activated carbon chamber 11 filled with activated carbon 4, and a fuel storage device 82, an engine intake passage 85, and the high polymer chamber 12 are respectively communicated to each other with an introducing pipe 15 of evaporated fuel and a purge pipe 16. An atmospheric pipe 17 is connected to the activated carbon chamber 11. A vapor transfer communicating passage to pass evaporated fuel is provided between the high polymer chamber 12 and activated carbon 4. As for the vapor transfer communicating passage, for example, a helical passage 35 helically formed on the outer circumference of the high polymer chamber 12 is provided.

7. 发明专利

JPH04121451A EVAPORATED FUEL TREATING EQUIPMENT 失效
公开(公告)号：JPH04121451A
公开(公告)日：1992-04-22
申请号：JP23944690
申请日：1990-09-10
申请人： TOYOTA MOTOR CORP , TOYODA GOSEI KK , TOYOTA CENTRAL RES & DEV
发明人： ITO TAKAAKI , MORIMITSU NOBUTAKA , OHASHI TAMIYOSHI , MIZUNO MASAMI , OTA TAKASHI
IPC分类号： F02M25/08
摘要： PURPOSE:To ensure a regularly normal purge action by providing a bypass means for communicating a purge conduit with an active charcoal layer when the negative pressure of the purge conduit is a determined value or more, in a one having an active charcoal layer and an organic polymer layer in which the purge conduit is communicated with the organic polymer layer. CONSTITUTION:A canister body 2 is partitioned by porous plates 3-5 into three layers, and an active charcoal 8 is charged in an active charcoal layer 7 in the top part. A space layer 11 and an organic polymer layer 15 are formed in the middle and the bottom part, respectively, and an organic polymer compound 16 is charged in the layer 15. A space chamber 18 is formed in the internal center position of the organic polymer layer 15, so that vapor can be introduced into the space chamber 18 through a porous plate 19 and a filter 20. On the upper wall of the space chamber 18, a valve 14 energized upward by a spring 21 to clog a bypass hole 22 is provided, so that the valve 14 is opened against the spring 21 when the organic polymer compound 16 is in swollen state and an intake negative pressure is applied to a purge port 24 to increase the negative pressure value in the space chamber 18.

8. 发明专利

JPH04121450A EVAPORATED FUEL TREATING EQUIPMENT 失效
公开(公告)号：JPH04121450A
公开(公告)日：1992-04-22
申请号：JP24145990
申请日：1990-09-12
申请人： TOYOTA MOTOR CORP , TOYODA GOSEI KK , TOYOTA CENTRAL RES & DEV
发明人： YASUKAWA MASAO , OTA TAKASHI , AOKI TOMOHIDE
IPC分类号： F02M25/08
摘要： PURPOSE:To ensure a regularly normal purge action by forming an active charcoal chamber on an upper part and a liquid separating chamber in which a mat holding a liquid absorbing agent is charged on a lower part, and forming an opening part opened into the mat and an opening part opened in a determined position on the mat in a purge passage. CONSTITUTION:A canister body 2 is partitioned by partitioning plates 3, 4 into three chamber layers to form an air chamber 5 communicated with the outside air in the top part. The middle part is an active charcoal chamber 7, in which an active charcoal 8 is charged, and in a liquid separating chamber 11 in the bottom part, a plurality of mats 12 containing an organic polymer compound 13 are received in laminated state. A vapor passage 15 and a purge passage 16 are extended through the active charcoal chamber 7 and opened to the liquid separating chamber 11, and the purge passage 16 has a main opening part 17 formed on the lower end part and a bypass 18 formed in the space above the mat 12 close to the partitioning plate 4. Thus, even if the air resistance to the main opening part 17 is increased by the swelling of the organic polymer, the opening state of the bypass hole 18 can be maintained to keep the purge normal.

9. 发明专利

JPH0610781A FUEL ABSORBING BODY AND MANUFACTURE THEREOF 失效
公开(公告)号：JPH0610781A
公开(公告)日：1994-01-18
申请号：JP18765692
申请日：1992-06-22
申请人： TOYODA GOSEI KK , TOYOTA CENTRAL RES & DEV
发明人： ITO HIROSHI , HASEGAWA SHINJI , ICHIKAWA MASAYOSHI , OTA TAKASHI , SATO NORIO , OKADA AKANE
IPC分类号： F02M25/08 , B01J20/28 , B32B37/00 , B60K15/035 , C09K3/32
摘要： PURPOSE:To provide a fuel absorbing body excellent in mechanical durability, fuel absorption and a desorption property in use and manufacture thereof. CONSTITUTION:A fuel absorbing body consists of polymer grains 22 having fuel absorbing performance and a cross-linked binder 21 permeable to fuel to be absorbed, and the polymer grains 22 are dispersed in the matrix of the cross-linked binder 21. The fuel absorbing body 20 is obtained by mixing binder solution having the binder dissolved in the solvent with the polymer grains to prepare and dry mixed liquid having the polymer grains dispersed in the binder solution. The binder 21 covers individually the polymer grains 22 so that both form one continuous body-like fuel absorbing body 20.

10. 发明专利

JPH0411946A PRODUCTION OF FUEL ABSORBER 失效
公开(公告)号：JPH0411946A
公开(公告)日：1992-01-16
申请号：JP11437290
申请日：1990-04-30
申请人： TOYODA GOSEI KK , TOYOTA CENTRAL RES & DEV
发明人： ITO HIROSHI , SASAKI KOJI , OKUMOTO TADAOKI , OTA TAKASHI , MATSUSHITA MITSUMASA , SATO NORIO
IPC分类号： F02M25/08 , B01D53/04 , B01J20/26 , B01J20/30
摘要： PURPOSE:To obtain a fuel absorber having superior durability and evaporated fuel capturing ability by allowing a polymer for capturing fuel to react with thermoplastic resin powder for a binder in the presence of a cross-linking agent, granulating and heating the resulting polymer gel. CONSTITUTION:An org. high molecular compd. having fuel capturing function such as polyisoprene or polybutadiene is dissolved in a solvent such as toluene or benzene and thermoplastic resin powder for a binder such as PP or PE powder is added to the resulting soln. and mixed. A reaction is allowed to take place in the presence of a cross-linking agent such as benzoyl peroxide. After the end of the reaction, polymer gel 50 contg. the thermoplastic resin powder 52 is collected and granulated. Formed intermediate granules are heated to a temp. at which the powder 52 melt-sticks together. The powder 52 present among fine particles of the polymer 50 melt-sticks together and a fuel absorber 5 having high strength is obtd.

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