WO2017081911A1 - キャニスタ及びキャニスタの車両搭載構造 - Google Patents
キャニスタ及びキャニスタの車両搭載構造 Download PDFInfo
- Publication number
- WO2017081911A1 WO2017081911A1 PCT/JP2016/075242 JP2016075242W WO2017081911A1 WO 2017081911 A1 WO2017081911 A1 WO 2017081911A1 JP 2016075242 W JP2016075242 W JP 2016075242W WO 2017081911 A1 WO2017081911 A1 WO 2017081911A1
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- Prior art keywords
- chamber
- canister
- passage
- adsorbent
- vehicle
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Classifications
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- 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
- F02M25/089—Layout of the fuel vapour installation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/035—Fuel tanks characterised by venting means
- B60K15/03504—Fuel tanks characterised by venting means adapted to avoid loss of fuel or fuel vapour, e.g. with vapour recovery systems
-
- 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
-
- 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
- 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
- F02M25/0872—Details of the fuel vapour pipes or conduits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/03328—Arrangements or special measures related to fuel tanks or fuel handling
- B60K2015/0348—Arrangements or special measures related to fuel tanks or fuel handling for returning the fuel from the motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/035—Fuel tanks characterised by venting means
- B60K15/03504—Fuel tanks characterised by venting means adapted to avoid loss of fuel or fuel vapour, e.g. with vapour recovery systems
- B60K2015/03514—Fuel tanks characterised by venting means adapted to avoid loss of fuel or fuel vapour, e.g. with vapour recovery systems with vapor recovery means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/003—Adding fuel vapours, e.g. drawn from engine fuel reservoir
- F02D41/0032—Controlling the purging of the canister as a function of the engine operating conditions
- F02D41/004—Control of the valve or purge actuator, e.g. duty cycle, closed loop control of position
Definitions
- the present disclosure relates to a canister that is mounted on a vehicle such as an automobile and that adsorbs and desorbs evaporated fuel, and a vehicle mounting structure of the canister.
- Patent Document 1 discloses a canister that adsorbs and desorbs evaporated fuel.
- a passage through which fluid can flow is formed in the canister.
- An evaporative fuel introduction port for introducing evaporative fuel from the fuel tank and a purge port for communicating with the intake passage of the engine are provided on one end side of the passage. Further, an air release port communicating with the atmosphere is provided on the other end side of the passage. Further, on the passage, in order from the one end side, a first chamber in which a first adsorbent capable of adsorbing and desorbing evaporated fuel is accommodated, and a second adsorption capable of adsorbing and desorbing evaporated fuel. And a second chamber in which the agent is accommodated.
- Such a canister is often mounted on a vehicle in a posture in which the passage is horizontal as disclosed in Patent Document 2 due to the in-vehicle layout.
- the fuel component adsorbed by the adsorbent in the first chamber and the second chamber is typically desorbed using the negative pressure in the intake passage during engine operation.
- the purge introduced into the intake passage is performed.
- the fuel component adsorbed by the adsorbent in the first chamber and the second chamber moves toward the intake passage due to the negative pressure in the intake passage.
- the fuel adsorbed by the second adsorbent in the second chamber moves to the first chamber side.
- the negative pressure in the intake passage disappears, and the fuel component adsorbed (remaining) in the adsorbent in the first chamber and the second chamber is taken into the intake air. While it does not move to the passage side, it moves downward in the adsorbent by gravity.
- a propulsive force is exerted to keep the fuel component concentration in equilibrium inside the adsorbent in the first chamber and the second chamber. For example, when the fuel component remaining in the second adsorbent in the second chamber reaches a certain concentration or higher, the fuel component is propelled toward the atmosphere opening port in the second adsorbent. The fuel component that has reached the end of the second adsorbent on the atmosphere release port side may be released from the atmosphere release port.
- the technology of the present disclosure aims to provide a canister that can suppress the release of such fuel components into the atmosphere, and a vehicle mounting structure of the canister.
- the technology of the present disclosure is intended for a canister that is mounted on a vehicle and performs adsorption / desorption of evaporated fuel.
- a passage through which a fluid can flow is formed.
- An evaporative fuel introduction port for introducing evaporative fuel from the fuel tank and a purge port for communicating with the intake passage of the engine are provided at one end side of the passage.
- an air release port communicating with the atmosphere is provided on the other end side of the passage.
- the passage in order from the one end side, a first chamber in which a first adsorbent capable of adsorbing and desorbing evaporated fuel is accommodated, and a second adsorption capable of adsorbing and desorbing evaporated fuel. And a second chamber in which the agent is accommodated.
- the first passage of the first chamber portion of the passage in the vehicle mounted state, is configured to be substantially horizontal, and the second passage of the second chamber portion of the passage is It is configured so that it is substantially vertical and the atmosphere opening port side is the upper side.
- the second passage of the second chamber portion of the passage is configured to be substantially vertical and the air release port side is on the upper side.
- the propulsion of the residual fuel component of the second adsorbent in the second chamber toward the atmosphere opening port side is delayed by gravity.
- the time from when the engine is stopped until the fuel component reaches the end of the adsorbent on the atmosphere opening port side becomes longer. Therefore, the release of fuel components into the atmosphere is suppressed.
- the canister is configured such that, in a vehicle-mounted state, the end portion on the first chamber side in the second chamber is positioned above the end portion on the second chamber side in the first chamber. It is preferable.
- the canister is configured such that the end portion on the first chamber side in the second chamber is positioned above the end portion on the second chamber side in the first chamber in the vehicle mounted state.
- the second adsorbent is configured such that the atmosphere opening port side in the extending direction of the second passage has higher evaporative fuel adsorbing capacity than the anti-atmosphere opening port side. Is preferred.
- the adsorption capability of the evaporated fuel is higher on the atmosphere opening port side in the extending direction of the second passage than on the anti-atmosphere opening port side.
- the propulsion of the residual fuel component to the atmosphere opening port side due to capillary action becomes slower as it approaches the atmosphere opening port side. Therefore, the time from when the engine is stopped until the fuel component reaches the end of the second adsorbent on the atmosphere opening port side can be further increased. Accordingly, the release of fuel components into the atmosphere is better suppressed.
- a plurality of the second adsorbents are accommodated in the second chamber, and the second adsorbents and the space portions are alternately arranged in the extending direction of the passage in the second chamber. It is preferred that
- a plurality of second adsorbents are accommodated in the second chamber, and in the second chamber, the second adsorbent and the space portion are alternately arranged in the extending direction of the passage.
- the residual fuel component in one second adsorbent becomes difficult to propel to the adjacent second adsorbent. That is, the residual fuel component in the second adsorbent becomes difficult to propel to the atmosphere opening port side.
- the time from when the engine is stopped until the fuel component reaches the end of the adsorbent on the atmosphere opening port side can be made longer. Accordingly, the release of fuel components into the atmosphere is better suppressed.
- the canister has a first case forming the first chamber and a second case forming the second chamber, and the first passage and the second passage are connected using a hose. It is preferred that
- this structure has the 1st case which forms a 1st chamber, and the 2nd case which forms a 2nd chamber, and a 1st channel
- the first case and the second case can be arranged at appropriate positions. Therefore, the degree of freedom in layout when arranging the canister in the vehicle is improved.
- the technique of the present disclosure is also intended for a mounting structure of a canister having the first case and the second case described above on a vehicle.
- the first case is disposed below a floor panel of the vehicle
- the second case is disposed in a space in a rear fender of the vehicle.
- the first case can be arranged using the space below the floor panel of the vehicle effectively, and the second case can be arranged using the space inside the rear fender of the vehicle. .
- the first case is disposed between a vehicle floor panel and a silencer attached below the floor panel.
- the first case is disposed between the vehicle floor panel and the silencer, the lower side of the first case is covered with the silencer, and the first case can be prevented from being damaged by a stepping stone or the like.
- the first case is generally warmed by being disposed above the silencer through which a relatively high temperature exhaust gas having a temperature higher than that of the ambient air flows. Thereby, the active state of the first adsorbent in the first case is enhanced, and the ability to desorb the evaporated fuel component by the first adsorbent can be exhibited well.
- a canister capable of suppressing the release of fuel components to the atmosphere and a vehicle mounting structure suitable for such a canister.
- FIG. 2 is a perspective view illustrating an appearance of a canister according to the first embodiment. It is a bottom view of the vehicle carrying the canister of Embodiment 1. It is a side view of the rear part of the vehicle by which the canister of Embodiment 1 was mounted.
- 1 is a schematic configuration diagram of an evaporated fuel processing system having a canister according to Embodiment 1.
- FIG. FIG. 3 is a cross-sectional view of a first canister among the canisters according to the first embodiment.
- FIG. 3 is a cross-sectional view of a second canister among the canisters according to the first embodiment.
- 6 is a cross-sectional view of a second canister among the canisters of Embodiment 3.
- FIG. It is a bottom view of the vehicle by which the canister of Embodiment 5 was mounted. It is a side view of the rear part of the vehicle by which the canister of Embodiment 5 was mounted.
- FIG. 1 is a perspective view illustrating an appearance of a canister 1 according to the first embodiment.
- the canister 1 includes a first canister 1A and a second canister 1B.
- the first canister 1A has a case 10 as a first case.
- the case 10 has a bottomed cylindrical shape.
- An evaporative fuel introduction port 11, a purge port 12, and a communication port 17 are formed on the bottom wall on one end side in the cylinder axis direction of the case 10.
- the second canister 1B has a case 70 as a second case.
- the case 70 has a bottomed cylindrical shape.
- An air release port 13 is formed on the bottom wall on one end side in the cylinder axis direction of the case 70.
- a communication port 18 is formed on the bottom wall of the case 10 on the other end side in the cylinder axis direction.
- the communication port 17 of the first canister 1A and the communication port 18 of the second canister 1B are connected by a connection pipe 19. Inside the canister 1 (1A, 1B), as will be described in detail later, a passage through which a fluid can flow is formed. An evaporated fuel introduction port 11 and a purge port 12 are provided on one end side of the passage. At the other end of the passage, an air release port 13 communicating with the atmosphere is provided.
- a second chamber (inner space of the second canister 1B) 22 in which a second adsorbent 81 capable of adsorbing and desorbing the evaporated fuel is accommodated shown in FIGS. 5 and 6 to be referred to later.
- the first chamber 21 and the second chamber 22 constitute a part of the entire passage of the canister 1 (first passage and second passage).
- the extending direction of the first passage in the first chamber 21 substantially coincides with the cylinder axis direction of the case 10 of the first canister 1A.
- path in the 2nd chamber 22 substantially corresponds with the cylinder axial direction of the case 70 of the 2nd canister 1B.
- the canister 1 according to the first embodiment is mounted on a vehicle such as an automobile.
- FIG. 2 is a bottom view of the vehicle on which the canister 1 according to the first embodiment is mounted.
- FIG. 3 is a side view of the rear portion of the vehicle on which the canister 1 according to the first embodiment is mounted.
- a pair of left and right side frames 41L and 41R extend from the front portion to the rear portion of the vehicle.
- An engine 30 is mounted between the left and right side frames 41L and 41R at the front of the vehicle.
- the exhaust pipe 39 extends from the engine 30 to the rear of the vehicle and is connected to a silencer 40 attached below the floor panel 101.
- the fuel tank 31 is disposed on the lower surface side of the floor panel 101 on the rear side of the vehicle.
- the first canister 1A is disposed behind the fuel tank 31, near the front of the silencer 40, and inside the left side frame 41L in the vehicle width direction.
- the canister 1 is arranged near the front of the silencer 40 because the canister 1 is warmed by the silencer 40, and when the inside of the canister 1 is purged, the temperature drop in the activated carbon (the latent heat of vaporization) is suppressed to improve the desorption performance.
- the purpose is to let you.
- the first canister 1A is placed horizontally so that the tube axis direction is substantially horizontal. Further, as shown in FIG. 3, the first canister 1 ⁇ / b> A is arranged at the same height position as the fuel tank 31 using the space below the floor panel 101.
- the second canister 1B is opposite to the first canister 1A across the left side frame 41L, and in the space in the rear fender 45 behind the left rear wheel 42L. Has been placed.
- the left side frame 41L can prevent the second canister 1B from coming into contact with the exhaust pipe 39 during a side collision or the like.
- the connection port (communication port 17) of the first canister 1A and the connection port (communication port 18) of the second canister 1B are connected using a connection pipe 19.
- the purge passage 35 that connects the engine 30 (the intake passage 34 thereof) and the purge port 12 of the canister 1 extends in the vehicle front-rear direction along the left side frame 41L.
- An evaporative fuel introduction passage 32 connecting the fuel tank 31 and the evaporative fuel introduction port 11 of the canister 1 extends in the front-rear direction therebetween.
- An air release pipe (not shown) connected to the air release port 13 of the canister 1 extends to a space in the rear fender 45 behind the left rear wheel 42L of the left and right rear wheels 42L, 42R.
- the second canister 1B is arranged vertically so that the cylinder axis direction is substantially vertical and the air release port 13 side is on the upper side.
- substantially vertical includes being inclined at an angle in the range of 0 degrees to about 45 degrees with respect to the vertical.
- the second canister 1B is configured such that, in the vehicle mounted state, the end of the second chamber 22 on the first chamber 21 side is positioned above the end of the first chamber 21 on the second chamber 22 side. Has been. This is because even when the fuel component biased downward in the second chamber 22 breaks down due to gravity and liquefies, the first adsorbent 51 in the first chamber 21 does not accumulate in the connection pipe 19 or the like. , 61 to be adsorbed by the first adsorbents 51, 61.
- FIG. 4 is a schematic configuration diagram of an evaporative fuel processing system having the canister 1 according to the first embodiment.
- the evaporative fuel processing system is a system that processes evaporative fuel generated in the fuel tank 31.
- the evaporated fuel gas containing the evaporated fuel generated in the fuel tank 31 is introduced into the canister 1 (1A, 1B) through the evaporated fuel introduction passage 32 and the evaporated fuel introduction port 11, and the introduced evaporated fuel is introduced into the canister.
- 1 (1A, 1B) is adsorbed by the adsorbent (first adsorbent 51, 61, second adsorbent 81) inside.
- the purge port 12 is connected to the intake passage 34 of the engine 30 via the purge passage 35.
- air is introduced into the canister 1 through the atmosphere release port 13, thereby causing the adsorbent (first adsorbent 51, 61, the fuel component adsorbed by the second adsorbent 81) is desorbed, and the desorbed fuel component is introduced from the purge passage 35 through the intake passage 34 into the combustion chamber of the engine 30 and used as a fuel for combustion. Used.
- a purge valve 36 is provided in the middle of the purge passage 35. By controlling the opening degree of the purge valve 36, the amount of evaporated fuel introduced into the intake passage 34 by purging can be controlled.
- the opening degree of the purge valve 36 is controlled by an engine controller (ECU) (not shown) based on the operating state of the engine 30 and the like.
- FIG. 5 is a cross-sectional view of the first canister 1A of the canister 1 according to the first embodiment.
- the first canister 1 ⁇ / b> A has a case 10.
- the case 10 includes a bottomed cylindrical case body 10A and a lid 10B that closes an opening end surface of the case body 10A.
- the case 10 is made of, for example, resin, and is installed in a posture in which the cylinder axis direction is the front-rear direction with the lid 10B facing rearward and the bottom plate 10x facing frontward in a vehicle-mounted state.
- an evaporated fuel introduction port 11 a communication port 17, and a purge port 12 are formed outside the canister of the bottom plate 10x of the case body 10A.
- the communication port 17 is a port connected to the communication port 18 of the second canister 1B via the connection pipe 19 described above.
- a first chamber 21 for accommodating the first adsorbents 51 and 61 is provided.
- a first partition wall 14 and a second partition wall 15 projecting toward the opening side (that is, the lid 10B side) along the cylinder axis direction in the space of the case body 10A in the interior of the canister of the bottom plate 10x of the case body 10A. Is formed.
- the first chamber 21 is partitioned by the first partition wall 14 and the second partition wall 15.
- the first partition wall 14 has a distal end extending to the vicinity of the lid 10B, an A chamber 21A communicating the first chamber 21 with the purge port 12 and the evaporated fuel introduction port 11, and a B chamber 21B communicating with the communication port 17. Partition.
- the second partition wall 15 is formed with a protrusion amount smaller than the protrusion amount of the first partition wall 14. The second partition wall 15 partitions the space on the one end side in the cylinder axis direction of the first chamber 21 into two spaces of the evaporated fuel introduction port 11 side and the purge port 12 side.
- the A chamber 21A accommodates a ventilation plate 54, a filter plate 53, a first adsorbent 51, a filter plate 53, and a ventilation plate 54 in this order from the bottom plate 10x side of the case main body 10A.
- a stopper 16 projecting inward of the A chamber 21A is formed in the vicinity of the bottom plate 10x of the case body 10A on the cylindrical wall and the first partition wall 14 of the case body 10A, and the lid 10B of the case 10 and its lid A spring 55 is interposed between the ventilation plate 54 on the 10B side.
- the spring 55 presses the ventilation plate 54, the filter plate 53, the first adsorbent 51, the filter plate 53, and the ventilation plate 54 toward the stopper 16 side. Therefore, adjacent members of the ventilation plate 54, the filter plate 53, and the first adsorbent 51 are pressed against each other so that no gap is generated between the members or between the first adsorbent 51 and the case 10. It has become. According to the configuration as described above, the present structure can be easily realized by putting the above-described members into the A chamber 21A in the above order from the opening side of the case main body 10A.
- the B chamber 21B accommodates a ventilation plate 54, a filter plate 63, a first adsorbent 61, a filter plate 63, and a ventilation plate 64 in this order from the bottom plate 10x side of the case body 10A.
- a stopper 16 protruding inward of the second chamber 22 is formed in the vicinity of the bottom plate 10x of the case body 10A on the cylindrical wall and the first partition wall 14 of the case body 10A.
- a spring 65 is interposed between the lid 10B.
- the spring 65 presses the ventilation plate 64 against the stopper 16 side. Therefore, adjacent members of the ventilation plate 64, the filter plate 63, and the first adsorbent 61 are pressed against each other so that no gap is generated between the members or between the first adsorbent 61 and the case 10. It has become. According to the configuration as described above, this structure can be easily realized by putting each of the above members into the B chamber 21B in the above order from the opening side of the case main body 10A.
- the first adsorbents 51 and 61 in the A chamber 21A and the B chamber 21B adsorb and desorb the evaporated fuel generated in the fuel tank 31 as described above.
- activated carbon capable of adsorbing and desorbing evaporated fuel can be used.
- the activated carbon for the first adsorbents 51 and 61 for example, one having a pellet shape having a diameter of about 2 mm and an axial length of about 4 mm and having a peak in the vicinity of 5 nm in the volume distribution of the pore size is used.
- the filter plates 53 and 63 in the A chamber 21A and the B chamber 21B are made of non-woven fabric, for example. These filter plates 53 and 63 suppress the activated carbon finely pulverized by vibration or the like from entering each passage through each port.
- the ventilation plates 54 and 64 in the A chamber 21A and the B chamber 21B are, for example, lattice-shaped plates having a large number of through holes 64a. These ventilation plates 54 and 64 are made of, for example, resin.
- springs 55 and 65 are interposed between the vent plate 54 and the lid 10B of the A chamber 21A and between the vent plate 64 and the lid 10B of the B chamber 21B. And a gap is formed between the end of the partition plate 14 on the lid 10B side and the lid 10B. And the communication part T which connects A chamber 21A and B chamber 21B is comprised by these space and clearance gaps.
- FIG. 6 is a cross-sectional view of the second canister 1B in the canister 1 of the first embodiment.
- the second canister 1 ⁇ / b> B has a case 70.
- the case 70 includes a bottomed cylindrical case body 70A and a lid 70B that closes an open end surface of the case body 70A.
- the case 70 is made of, for example, resin, and is installed in a posture in which the cylinder axis direction is the vertical direction with the lid 70B facing upward and the bottom plate 70x facing downward in a vehicle-mounted state.
- An air release port 13 is formed on the lid 70B (that is, the wall portion on the upper end side of the case 70).
- a communication port 18 that communicates with the communication port 17 of the first canister 1 ⁇ / b> A through the connection pipe 19 is formed in the bottom plate 70 x of the case main body 70 ⁇ / b> A (that is, the wall portion on the lower end side of the case 70).
- the 2nd chamber 22 which accommodates the 2nd adsorption agent 61 is formed.
- a ventilation plate 84, a filter plate 83, a second adsorbent 81, a filter plate 83, and a ventilation plate 84 are accommodated in this order from the bottom plate 70x side of the case body 70A.
- a stopper 76 projecting inward of the second chamber 22 is formed on the cylindrical wall of the case body 70A in the vicinity of the bottom plate 70x of the case body 70A, and between the ventilation plate 84 and the lid 70B of the case 70. Is provided with a spring 85.
- the spring 85 presses the ventilation plate 84, the filter plate 83, the second adsorbent 81, the filter plate 83, and the ventilation plate 84 against the stopper 76 side. Therefore, adjacent members of the vent plate 84, the filter plate 83, and the second adsorbent 81 are pressed against each other so that no gap is generated between the members or between the second adsorbent 81 and the case 70. It has become. According to the above configuration, the structure can be easily realized by putting the above-described members into the second chamber 22 from the opening side of the case main body 70A in the above order.
- the second adsorbent 81 adsorbs / desorbs the evaporated fuel generated in the fuel tank 31.
- the second adsorbent 81 for example, activated carbon capable of adsorbing and desorbing evaporated fuel can be used. More specifically, the second adsorbent 81 is activated carbon that has a lower adsorption capacity than the first adsorbent 51 in the first canister 1A but has a high desorption performance. This is because the first adsorbent 51 is required to adsorb as much fuel as possible and hold the adsorbed fuel so as not to move as much as possible to the second chamber 22 side. This is because, while adsorbing fuel, the adsorbed fuel component is required to be easily desorbed during purging.
- the activated carbon for the second adsorbent 81 has, for example, a pellet or monolith shape having a particle size larger than that of the first adsorbents 51 and 61, and has a peak in the vicinity of 1000 nm in the pore size volume distribution. Use things.
- the filter plate 83 is made of, for example, a nonwoven fabric.
- the filter plate 83 suppresses the activated carbon finely pulverized by vibration or the like from entering each passage through each port.
- the ventilation plate 84 is, for example, a lattice-shaped plate material having a large number of through holes 84a.
- the ventilation plate 84 is made of, for example, resin.
- evaporative fuel gas containing evaporative fuel generated by evaporating fuel in the fuel tank 31 at the time of refueling or parking is transmitted via the evaporative fuel introduction port 11 as the internal pressure of the fuel tank 31 increases.
- the fuel component is adsorbed by the activated carbon in the first chamber 21 (first canister 1A) and the second chamber 22 (second canister 1B), and the gas from which the fuel component is almost removed is released from the atmosphere opening port 13 to the atmosphere. Is done.
- the evaporated fuel gas advances into the communication portion T. Further, when the fuel component concentration in the communication portion T becomes higher than a certain level, the evaporated fuel gas is adsorbed by the second adsorbent 61 in the second chamber 22 from the anti-atmospheric release port 13 side. When the fuel component concentration at the end of the second adsorbent 61 on the atmosphere release port 13 side becomes higher than a certain value, the evaporated fuel gas may be released to the atmosphere via the atmosphere release port 13. When the engine 30 is operated and purged, the fuel component is gradually desorbed from the atmosphere opening port 13 side of the second adsorbent 61.
- the purge valve 36 is opened under the control of an ECU (not shown) or due to a pressure difference, the air is discharged into the atmosphere via the atmosphere release port 13 due to the intake negative pressure of the engine 30. Is introduced into the second chamber 22 and the first chamber 21 in the canister 1. At this time, the evaporated fuel is desorbed (purged) from the first adsorbents 51 and 61 in the first chamber 21 and the second adsorbent 81 in the second chamber 22, and the intake passage of the engine 30 through the purge port 12 together with the air. 34.
- the second passage of the second chamber 22 portion of the passage is configured to be substantially vertical and the atmosphere release port 13 side is on the upper side. . Therefore, the propulsion of the residual fuel component of the second adsorbent 61 in the second chamber 22 toward the atmosphere opening port 13 is delayed by gravity. As a result, the time from when the engine 30 is stopped until the fuel component reaches the end of the second adsorbent 61 on the atmosphere release port 13 side becomes longer. Therefore, the release of fuel components into the atmosphere is suppressed.
- the canister 1 is configured such that the end of the second chamber 22 on the first chamber 21 side is positioned higher than the end of the first chamber 21 on the second chamber 22 side in the vehicle mounted state. Is configured to do. Therefore, even when the fuel component biased downward in the second chamber 22 breaks down due to gravity and is liquefied, the fuel component is guided to the first adsorbent 51 in the first chamber 21, and is absorbed by the first adsorbent 51. Adsorbed.
- the canister 1 includes a case 10 of the first canister 1A that forms the first chamber 21, and a case 70 of the second canister 1B that forms the second chamber 22, and the first passage. And the second passage are connected using a connecting pipe 19.
- case 10 of the 1st canister 1A and case 70 of the 2nd canister 1B can be arranged in an appropriate position, respectively. Therefore, the degree of freedom in layout when arranging the canister 1 in the vehicle is improved.
- the case 10 of the first canister 1A is disposed using the space below the floor panel 101 of the vehicle effectively, and the case 70 of the second canister 1B is disposed in the space inside the rear fender 45 of the vehicle. Can be used effectively.
- Embodiment 2 The canister 1 according to the second embodiment will be described.
- the drawing is common to the first embodiment.
- the second adsorbent 61 has a capability of adsorbing evaporated fuel on the air release port 13 side in the cylinder axis direction of the case 70, that is, in the passage extending direction, on the side of the air release port 13 side. Highly structured.
- the other configuration of the canister 1 according to the second embodiment is the same as that of the first embodiment.
- FIG. 7 is a cross-sectional view of the second canister 1B of the canisters 1 according to the third embodiment.
- a plurality of second adsorbents 61 are accommodated in the second chamber 22, and the second adsorbent 61 is contained in the second chamber 22.
- the space S are alternately arranged in the cylinder axis direction of the case 70, that is, in the extending direction of the passage.
- the ventilation plate 84, the filter plate 83, the second adsorbent 81, the filter plate 83, and the ventilation plate 84 are sequentially arranged from the bottom plate 70 x side (anti-atmosphere release port 13 side) of the case body 70 ⁇ / b> A.
- a filter plate 83 and a vent plate 84 are accommodated.
- the second adsorbent 81 adsorbs / desorbs the evaporated fuel generated in the fuel tank 31.
- the second adsorbent 81 of the third embodiment is different from the second adsorbent 81 of the first embodiment in the length of the case 70 in the cylinder axis direction, but the composition is the same as that of the second adsorbent 81 of the first embodiment.
- activated carbon capable of adsorbing and desorbing evaporated fuel can be used.
- the ventilation plate 84 and the filter plate 83 may be the same as the ventilation plate 84 and the filter plate 83 of the first embodiment.
- the space forming member 86 is interposed between two adjacent ventilation plates 84 and forms a space S between these ventilation plates 84.
- the space forming member 86 is formed of, for example, resin, like the ventilation plate 84.
- the space forming member 86 and the ventilation plate 84 adjacent to the space forming member 86 may be integrally formed, or may be coupled with an adhesive or the like.
- the second chamber 22 includes a plurality of combinations of the second adsorbent 81 and the filter plate 83 and the ventilation plate 84 sandwiching the second adsorbent 81 from both sides in series in the cylinder axis direction of the case 70 (five in this example).
- the space part S is provided between the adjacent sets among the combinations of the second adsorbent 81, the filter plate 83, and the ventilation plate 84.
- a stopper 76 is formed on the cylindrical wall of the case main body 70A so as to protrude inward of the second chamber 22 in the vicinity of the bottom plate 70x of the case main body 70A, and between the ventilation plate 84 and the lid 70B of the case 70.
- a spring 85 is interposed therebetween.
- the spring 85 presses the ventilation plate 84 against the stopper 76 side. Therefore, adjacent members of the ventilation plate 84, the filter plate 83, the second adsorbent 81, and the space forming member 86 are pressed against each other so that no gap is generated between the members. According to the above configuration, the structure can be easily realized by putting the above-described members into the second chamber 22 from the opening side of the case main body 70A in the above order.
- the other configuration of the canister 1 of the third embodiment is the same as that of the first embodiment.
- a plurality of second adsorbents 61 are accommodated in the second chamber 22, and in the second chamber 22, the second adsorbent 61 and the space S are in the extending direction of the passage.
- the remaining fuel components in one second adsorbent 61 are difficult to propel to the adjacent second adsorbent 61. That is, it becomes difficult for the residual fuel component in the second adsorbent 61 to be propelled to the atmosphere opening port 13 side.
- the time from when the engine 30 is stopped until the fuel component reaches the end of the second adsorbent 61 on the atmosphere release port 13 side becomes longer. Accordingly, the release of fuel components into the atmosphere is better suppressed.
- Embodiment 4 The canister 1 according to the fourth embodiment will be described.
- the drawing is common to the third embodiment.
- the plurality of second adsorbents 81 are the second adsorbents in which the second adsorbent 81 located on the atmosphere release port 13 side in the extending direction of the passage is located on the side opposite to the atmosphere release port 13.
- the evaporative fuel adsorption capacity is higher.
- the adsorption capability of the evaporated fuel is generally expressed by butane working capacity (BWC).
- BWC butane working capacity
- the second adsorbent 81 is located on the side of the atmosphere opening port 13 in the extending direction of the passage on the side opposite to the atmosphere opening port.
- the butane working capacity (BWC) after purging is configured to be larger than the 13th side.
- the adsorbent having a large BWC value is obtained by increasing the pore density per unit volume of activated carbon used for the adsorbent.
- the anti-atmosphere release port 13 side is formed by spreading pellets having a larger particle diameter than the atmosphere release port 13 side.
- the adsorption capacity of the second adsorbent 81 on the atmosphere opening port 13 side should be high, but also when performing the purge, it must be able to be desorbed reliably, so the setting of the adsorption capacity is It is preferable to carry out in consideration of the balance with the desorption performance at the time of purging.
- the other configuration of the canister 1 according to the fourth embodiment is the same as that of the first embodiment.
- FIG. 8 is a lower surface portion of a vehicle on which the canister 1 according to the fifth embodiment is mounted.
- FIG. 9 is a side view of the rear part of the vehicle on which the canister 1 according to the fifth embodiment is mounted.
- the first canister 1 ⁇ / b> A is disposed between the floor panel 101 of the vehicle and the silencer 40 attached below the floor panel 101.
- the first canister 1A is disposed horizontally so that the cylinder axis direction is substantially horizontal within a range where heat transfer from the silencer 40 does not contact with the silencer 40 in the vicinity of the upper portion of the silencer 40.
- the silencer 40 is shielded from the ground side. The purpose of arranging the first canister 1A in the vicinity of the upper portion of the silencer 40 is to warm the entire first canister 40 with the heat of the silencer 40 through which a relatively high temperature exhaust gas flows.
- the first canister 1A is disposed at a position higher than the fuel tank 31, as shown in FIG.
- the evaporative fuel introduction port 11 of the first canister 1 ⁇ / b> A is disposed at a position higher than the port 31 a of the fuel tank 31 connected via the evaporative fuel introduction passage 32.
- the positional relationship between the evaporative fuel introduction port 11 and the port 31a of the fuel tank 31 prevents liquid fuel in the fuel tank 31, that is, fuel that is not vapor, from being introduced into the first canister 1A. It is valid.
- the first canister 1A is disposed between the floor panel 101 of the vehicle and the silencer 40 below the vehicle, the lower side of the first canister 1A is covered with the silencer 40, and a stepping stone or the like. This can prevent the first canister 1A from being damaged. Further, since the first canister 1A is generally warmed by being arranged in the vicinity of the upper portion of the silencer 40, the active state of the first adsorbent 51 in the case 10 is enhanced, and the evaporated fuel component by the first adsorbent 51 is increased. Can be exhibited well.
- the canister 1 of the above-described embodiment has the following configuration and characteristics.
- the canisters 1 of the first to fifth embodiments are A canister 1 mounted on a vehicle for adsorbing and desorbing evaporated fuel, A passage through which fluid can flow is formed, An evaporative fuel introduction port 11 for introducing evaporative fuel from the fuel tank 31 and a purge port 12 for communicating the intake passage 34 of the engine 30 are provided on one end side of the passage, At the other end side of the passage, an atmosphere opening port 13 communicating with the atmosphere is provided, A first chamber 21 in which first adsorbents 51 and 61 capable of adsorbing and desorbing evaporated fuel are accommodated in order from the one end side on the passage, and a second chamber capable of adsorbing and desorbing evaporated fuel.
- a second chamber 22 in which the adsorbent 81 is accommodated In the vehicle mounted state, the first passage of the first chamber 21 portion of the passage is configured to be substantially horizontal, and the second passage of the second chamber 22 portion of the passage is substantially vertical and is open to the atmosphere. It is comprised so that the 13th side may become an upper side.
- the canister 1 is configured such that the end of the second chamber 22 on the first chamber 21 side is positioned higher than the end of the first chamber 21 on the second chamber 22 side in the vehicle mounted state. .
- the second adsorbent 81 is configured such that the evaporative fuel adsorbing capacity is higher on the atmosphere opening port 13 side in the extending direction of the second passage than on the anti-atmosphere opening port 13 side.
- a plurality of second adsorbents 81 are accommodated in the second chamber 22, In the second chamber 22, the second adsorbent 81 and the space S are alternately arranged in the extending direction of the passage.
- the canister 1 has a case 10 as a first case forming the first chamber 21 and a case 70 as a second case forming the second chamber 22.
- the first passage and the second passage are connected using a connection pipe 19.
- both cases 10 and 70 can be arranged at appropriate positions. Therefore, the degree of freedom in layout is improved when the canister 1 is arranged in the vehicle.
- the case 10 forming the first chamber 21 is disposed below the floor panel 101 of the vehicle,
- the case 70 forming the second chamber 22 is disposed in a space in the rear fender 45 of the vehicle.
- the case 10 that forms the first chamber 21 is arranged by effectively using the space below the floor panel 101 of the vehicle, and the case 70 that forms the second chamber 22 is disposed in the rear fender 45 of the vehicle. Space can be used effectively.
- the case 10 forming the first chamber 21 is disposed between a vehicle floor panel 101 and a silencer 40 attached below the floor panel 101.
- the following embodiment may be configured as follows.
- the first chamber 21 is formed in the first canister 1A
- the second chamber 22 is formed in the second canister 1B. That is, the first chamber 21 and the second chamber 22 are formed in separate cases 10 and 70.
- the first passage of the first chamber 21 portion of the passage is configured to be substantially horizontal
- the second passage of the second chamber 22 portion of the passage is substantially vertical and atmospheric.
- the first chamber 21 and the second chamber 22 may be integrally configured by, for example, one case 10.
- the first canister 1A is disposed at substantially the same height as the fuel tank 31. Even in such a case, from the viewpoint of preventing the liquid fuel in the fuel tank 31 from being introduced into the first canister 1A, the evaporated fuel introduction port 11 of the first canister 1A is similar to the fifth embodiment described above.
- the fuel tank 31 is preferably disposed at a position higher than the port 31a of the fuel tank 31 connected via the evaporated fuel introduction passage 32.
- the ventilation plate 64 the second adsorbent 61, and the ventilation plate 64 are provided.
- these combinations may be 4 sets or less, or 6 sets or more.
- the canister of the present disclosure may be widely used in a canister that is mounted on a vehicle such as an automobile and that adsorbs and desorbs evaporated fuel.
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Abstract
Description
実施形態1のキャニスタ1について説明する。図1は、実施形態1のキャニスタ1の外観を示す斜視図である。図1に示すように、キャニスタ1は第1キャニスタ1Aと第2キャニスタ1Bとを含む。
実施形態2のキャニスタ1について説明する。図面は上記実施形態1と共通である。この実施形態2では、第2吸着剤61は、ケース70の筒軸方向、つまり通路の延在方向における大気開放ポート13側の方が反大気開放ポート13側よりも、蒸発燃料の吸着能力が高く構成されている。この実施形態2のキャニスタ1について、その他の構成は、上記実施形態1と同様である。
実施形態3のキャニスタ1について説明する。図7は、実施形態3のキャニスタ1のうちの第2キャニスタ1Bの断面図である。この実施形態3の第2キャニスタ1Bでは、図7に示すように、第2室22内に、複数の第2吸着剤61が収容されており、第2室22内において、第2吸着剤61と空間部Sとが、ケース70の筒軸方向、つまり通路の延在方向において交互に配置されている。
実施形態4のキャニスタ1について説明する。図面は上記実施形態3と共通である。この実施形態4では、複数の第2吸着剤81は、通路の延在方向における大気開放ポート13側に位置する第2吸着剤81の方が反大気開放ポート13側に位置する第2吸着剤81よりも、蒸発燃料の吸着能力が高く構成されている。蒸発燃料の吸着能力は、一般に、ブタンワーキングキャパシティ(BWC)により表され、本実施形態では、第2吸着剤81は、通路の延在方向における大気開放ポート13側の方が反大気開放ポート13側よりも、パージ後のブタンワーキングキャパシティ(BWC)の値が大きく構成されている。
実施形態5のキャニスタ1について説明する。図8は、実施形態5のキャニスタ1が搭載された車両の下面部である。図9は、実施形態5のキャニスタ1が搭載された車両の後部の側面図である。この実施形態5では、図8及び図9に示すように、第1キャニスタ1Aは、車両のフロアパネル101と、そのフロアパネル101の下方に取り付けられたサイレンサ40との間に配置されている。
車両に搭載され、蒸発燃料の吸着・脱離を行うキャニスタ1であって、
内部に流体が流通可能な通路が形成され、
前記通路の一端側に、燃料タンク31からの蒸発燃料を導入する蒸発燃料導入ポート11と、エンジン30の吸気通路34とを連通させるためのパージポート12とが設けられ、
前記通路の他端側に、大気に連通する大気開放ポート13が設けられ、
前記通路上に、前記一端側から順に、蒸発燃料の吸着・脱離が可能な第1吸着剤51,61が収容される第1室21と、蒸発燃料の吸着・脱離が可能な第2吸着剤81が収容される第2室22とが設けられ、
車両搭載状態において、前記通路のうちの第1室21部分の第1通路は略水平となるように構成され、前記通路のうちの第2室22部分の第2通路は略鉛直かつ大気開放ポート13側が上側となるように構成されている。
キャニスタ1は、車両搭載状態において、第2室22における第1室21側の端部が、第1室21における第2室22側の端部よりも上方に位置するように、構成されている。
第2吸着剤81は、前記第2通路の延在方向における大気開放ポート13側の方が反大気開放ポート13側よりも、蒸発燃料の吸着能力が高く構成されている。
第2室22内に、複数の第2吸着剤81が収容され、
第2室22内において、第2吸着剤81と空間部Sとが、前記通路の延在方向において交互に配置される。
キャニスタ1は、第1室21を形成する第1ケースとしてのケース10と、第2室22を形成する第2ケースとしてのケース70とを有し、
前記第1通路と前記第2通路とは接続管19を利用して接続される。
第1室21を形成するケース10は、車両のフロアパネル101の下方に配置され、
第2室22を形成するケース70は、車両のリヤフェンダ45内の空間に配置される。
前記第1室21を形成するケース10は、車両のフロアパネル101と、該フロアパネル101の下方に取り付けられたサイレンサ40との間に配置される。
以上のように、本開示の技術の例示として、好ましい実施形態について説明した。しかし、本開示の技術は、これに限定されず、適宜、変更、置き換え、付加、省略などを行った実施の形態にも適用可能である。また、上記実施形態で説明した各構成要素を組み合わせて新たな実施の形態とすることも可能である。また、添付図面及び詳細な説明に記載された構成要素の中には、課題解決のためには必須でない構成要素も含まれ得る。そのため、それらの必須でない構成要素が添付図面や詳細な説明に記載されていることを以て、直ちにそれらの必須でない構成要素が必須であるとの認定をするべきではない。
1A 第1キャニスタ
1B 第2キャニスタ
10 ケース
10A ケース本体
10B 蓋
10x 底板
11 蒸発燃料導入ポート
12 パージポート
13 大気開放ポート
14 仕切壁
15 仕切壁
16 ストッパ
17 連通ポート
18 連通ポート
19 接続管
21 第1室
21A A室
21B B室
22 第2室
30 エンジン
31 燃料タンク
32 蒸発燃料導入通路
34 吸気通路
35 パージ通路
36 パージバルブ
37 スロットルバルブ
39 排気管
40 サイレンサ
41L 左サイドフレーム
41R 右サイドフレーム
42L 左リヤホイール
42R 右リヤホイール
45 リヤフェンダ
51 第1吸着剤
53 フィルタ板
54 通気板
54a 貫通孔
55 スプリング
61 第1吸着剤
63 フィルタ板
64 通気板
64a 貫通孔
65 スプリング
70 ケース
70A ケース本体
70B 蓋
70x 底板
81 第2吸着剤
83 フィルタ板
84 通気板
84a 貫通孔
85 スプリング
86 空間形成部材
S 空間部
T 連通部
Claims (7)
- 車両に搭載され、蒸発燃料の吸着・脱離を行うキャニスタであって、
内部に流体が流通可能な通路が形成され、
前記通路の一端側に、燃料タンクからの蒸発燃料を導入する蒸発燃料導入ポートと、エンジンの吸気通路に連通させるためのパージポートとが設けられ、
前記通路の他端側に、大気に連通する大気開放ポートが設けられ、
前記通路上に、前記一端側から順に、蒸発燃料の吸着・脱離が可能な第1吸着剤が収容される第1室と、蒸発燃料の吸着・脱離が可能な第2吸着剤が収容される第2室とが設けられ、
車両搭載状態において、前記通路のうちの前記第1室部分の第1通路は略水平となるように構成され、前記通路のうちの前記第2室部分の第2通路は略鉛直かつ前記大気開放ポート側が上側となるように構成されている、
キャニスタ。 - 車両搭載状態において、前記第2室における前記第1室側の端部が、前記第1室における前記第2室側の端部よりも上方に位置するように、構成されている、
請求項1に記載のキャニスタ。 - 前記第2吸着剤は、前記第2通路の延在方向における前記大気開放ポート側の方が反大気開放ポート側よりも、パージ後の蒸発燃料の吸着能力が高く構成されている、
請求項1または請求項2に記載のキャニスタ。 - 前記第2室に、複数の前記第2吸着剤が収容され、
前記第2室内において、前記第2吸着剤と空間部とが、前記通路の延在方向において交互に配置される、
請求項1または請求項2に記載のキャニスタ。 - 前記第1室を形成する第1ケースと、前記第2室を形成する第2ケースとを有し、
前記第1通路と前記第2通路とはホースを利用して接続される、
請求項1から請求項4のいずれか1項に記載のキャニスタ。 - 請求項5に記載のキャニスタの車両への搭載構造であって、
前記第1ケースは、車両のフロアパネルの下方に配置され、
前記第2ケースは、車両のリヤフェンダ内の空間に配置される、
キャニスタの車両搭載構造。 - 前記第1ケースは、車両のフロアパネルと、該フロアパネルの下方に取り付けられたサイレンサとの間に配置される
請求項6に記載のキャニスタの車両搭載構造。
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US15/763,531 US20180274490A1 (en) | 2015-11-10 | 2016-08-29 | Canister, and vehicle mounting structure for canister |
CN201680052917.3A CN108026868A (zh) | 2015-11-10 | 2016-08-29 | 炭罐及炭罐的车辆安装结构 |
DE112016005156.5T DE112016005156T5 (de) | 2015-11-10 | 2016-08-29 | Behälter und Fahrzeug-Montagestruktur für einen Behälter |
JP2017550007A JP6597789B2 (ja) | 2015-11-10 | 2016-08-29 | キャニスタ |
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EP3530931A4 (en) * | 2016-12-09 | 2019-11-13 | Mazda Motor Corporation | DEVICE FOR TREATING SPRAY FUEL |
JP2021032211A (ja) * | 2019-08-29 | 2021-03-01 | トヨタ自動車株式会社 | 蒸発燃料処理装置 |
WO2023171453A1 (ja) * | 2022-03-09 | 2023-09-14 | 臼井国際産業株式会社 | 車両用管部材及び車両用管部材の製造方法 |
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Also Published As
Publication number | Publication date |
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CN108026868A (zh) | 2018-05-11 |
JP6597789B2 (ja) | 2019-10-30 |
DE112016005156T5 (de) | 2018-08-02 |
US20180274490A1 (en) | 2018-09-27 |
JPWO2017081911A1 (ja) | 2018-10-18 |
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