WO2022075282A1 - 車両のキャニスタ配置構造 - Google Patents

車両のキャニスタ配置構造 Download PDF

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Publication number
WO2022075282A1
WO2022075282A1 PCT/JP2021/036703 JP2021036703W WO2022075282A1 WO 2022075282 A1 WO2022075282 A1 WO 2022075282A1 JP 2021036703 W JP2021036703 W JP 2021036703W WO 2022075282 A1 WO2022075282 A1 WO 2022075282A1
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WO
WIPO (PCT)
Prior art keywords
canister
vehicle
cross member
sub
floor pan
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.)
Ceased
Application number
PCT/JP2021/036703
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
昇治 谷澤
孝幸 佐野
雄介 岡田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Motors Corp
Original Assignee
Mitsubishi Motors Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Motors Corp filed Critical Mitsubishi Motors Corp
Priority to JP2022555477A priority Critical patent/JP7327689B2/ja
Publication of WO2022075282A1 publication Critical patent/WO2022075282A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • 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
    • 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

Definitions

  • the present invention relates to a vehicle canister arrangement structure.
  • Vehicles driven by an internal combustion engine are provided with a canister that prevents the release of fuel evaporative gas into the atmosphere by adsorbing fuel evaporative gas evaporating from the fuel in the fuel tank.
  • a large-capacity canister for vehicles for countries where the release of fuel evaporative gas into the atmosphere is strictly regulated by law.
  • the canister is often placed in the front space (engine room) of the vehicle in front of the passenger compartment, but it is difficult to place a large-capacity canister in the engine room of a limited space. Therefore, it has been proposed to arrange the canister below the rear floor pan, which makes it relatively easy to secure space (see Patent Document 1).
  • the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a vehicle canister arrangement structure that is advantageous for protecting the canister arranged below the rear floor pan in the event of a rear collision of the vehicle.
  • one embodiment of the present invention includes a rear cross member connecting a pair of side members, a floor pan supported by the pair of side members and the rear cross member, and a fuel tank.
  • a vehicle canister arrangement structure comprising a canister that adsorbs fuel evaporative gas and a canister bracket that is attached to the floor pan and holds the canister, wherein the canister is arranged directly under the rear cross member. It is characterized by being.
  • the canister bracket is held by the canister bracket attached to the floor pan supported by the pair of side members and the rear cross member, and is arranged directly under the rear cross member. Therefore, the canister bracket is mounted near the location of the rear floor pan supported by the rear cross member as well as the pair of rear side members, in other words, the canister bracket is mounted at the location of the rear floor pan with high strength and rigidity.
  • FIG. 2 is a cross-sectional view taken along the line AA of FIG.
  • FIG. 2 is a cross-sectional view taken along the line BB of FIG.
  • the reference numeral UP indicates the upper part of the vehicle
  • the reference numeral FR indicates the front of the vehicle
  • the reference numeral IN indicates the inside in the vehicle width direction
  • the reference numeral OUT indicates the outside in the vehicle width direction.
  • the present invention describes only the engine. Of course, it can also be applied to the vehicle that is the source.
  • the vehicle 10 includes a vehicle body 12, an engine (not shown), a front wheel (not shown), a rear wheel 14, a fuel tank 16, a motor 18, an inverter 20, a transaxle 22, a main canister 24, and a sub. Includes canister 26.
  • the fuel tank 16, the motor 18, the inverter 20, the transaxle 22, the main canister 24, and the sub canister 26 are arranged at the rear of the vehicle 10.
  • the rear portion of the vehicle body 12 includes a pair of rear side members 28, a plurality of rear cross members, a rear suspension cross member 34, and a rear floor pan 36.
  • the pair of rear side members 28 extend in the vehicle front-rear direction at intervals in the vehicle width direction of the vehicle 10.
  • the rear side member 28 has a cross-sectional hat shape, and the rear side member lower surface portion 2802 facing downward and the rear side member inner surface portion 2804 standing up from the inner end portion of the rear side member lower surface portion 2802 in the vehicle width direction.
  • a pair of rear side member flanges protruding from the upper ends of the rear side member outer surface portion 2804 and the rear side member outer surface portion 2806, and the rear side member outer surface portion 2806 that stands up from the outer end portion of the rear side member lower surface portion 2802 in the vehicle width direction. It is provided with a unit 2808.
  • a pair of rear side member flange portions 2808 are overlapped with the lower surface 3602 of the rear floor pan 36 and joined by welding.
  • the rear side member 28 has a closed cross-sectional structure by being joined to the rear floor pan 36, and is a member having high strength and rigidity.
  • the plurality of rear cross members extend in the vehicle width direction to connect the pair of rear side members 28, and FIGS. 1 and 3 show the vehicle of the first rear cross member 30 and the first rear cross member 30.
  • Two rear cross members are drawn at the rear with the second rear cross member 32 located closest to the first rear cross member 30.
  • the first rear cross member 30 includes a first rear cross member upper 38 and a first rear cross member lower 40 extending in the vehicle width direction while facing each other in the vertical direction. ..
  • the first rear cross member upper 38 has a cross-sectional hat shape, and the upper surface portion 3802 of the first rear cross member upper facing upward and the upper surface portion 3802 of the first rear cross member upper are in the vehicle front-rear direction.
  • first rear cross member upper front surface 3804 and 1st rear cross member upper rear surface 3806 and 1st rear cross member upper front surface 3804 and 1st rear cross member upper rear surface 3806 lower end It is provided with a pair of first rear cross member upper flange portions 3808 that project in directions away from each other.
  • the pair of first rear cross member upper flange portions 3808 are joined to the upper surface 3604 of the rear floor pan 36 by welding.
  • the first rear cross member lower 40 extends in the vehicle width direction, and both ends in the vehicle width direction are connected to a pair of rear side members 28.
  • the first rear cross member lower 40 has a cross-sectional hat shape, and the lower surface portion 4002 of the first rear cross member lower and the lower surface portion 4002 of the first rear cross member lower facing downward are in the vehicle front-rear direction.
  • the lower ends of the first rear cross member lower front portion 4004 and the first rear cross member lower rear surface portion 4006, and the first rear cross member lower front portion 4004 and the first rear cross member lower rear surface portion 4006 projecting upward from the end portion of the first rear cross member lower. It is provided with a pair of first rear cross member lower flange portions 4008 that project in a direction away from each other.
  • the pair of first rear cross member lower flange portions 4008 are joined to the lower surface 3602 of the rear floor pan 36 by welding.
  • the second rear cross member 32 has a cross-sectional hat shape, and a pair of flange portions are welded to the lower surface 3602 of the rear floor pan 36 and extend in the vehicle width direction, and both ends in the vehicle width direction are paired. It is connected to the rear side member 28 of.
  • the first and second rear cross members 30 and 32 both have a closed cross-sectional structure by being joined to the rear floor pan 36, and are members having high strength and rigidity.
  • the rear suspension cross member 34 is a place where the suspension device (not shown) of the rear wheel 14 and the motor 18, the inverter 20, and the transaxle 22 described later are assembled, and has strength and rigidity. It is a high member.
  • the rear suspension cross member 34 extends in the vehicle width direction and is connected to the pair of rear side members 28.
  • the rear suspension cross member 34 has a rectangular frame-shaped main body portion 34A composed of a front member 3402, a rear member 3404, and a pair of connecting members 3406, and a vehicle front portion of the main body portion 34A in the vehicle width direction.
  • the inside of the main body 34A is an opening 34D.
  • the front member 3402 and the rear member 3404 extend in the vehicle width direction, and the pair of connecting members 3406 extend in the vehicle front-rear direction.
  • the pair of front leg portions 34B and the pair of rear leg portions 34C are connected to the rear side member 28, respectively.
  • the rear floor pan 36 is arranged at the lower part of the rear part of the vehicle and is composed of a steel plate.
  • the rear floor pan 36 is supported by a pair of rear side members 28 and first and second rear cross members 30, 32.
  • the engine is placed in the front space of the vehicle in front of the passenger compartment, and the front wheels are rotated by the power generated by burning the fuel.
  • the fuel tank 16 stores fuel and supplies it to the engine.
  • the fuel tank 16 has an elongated shape in the vehicle width direction, and is in front of the first rear cross member 30 and the rear suspension cross member 34, and in the center in the vehicle width direction in front of the main canister 24 described later, the rear floor pan 36. It is located below.
  • the fuel tank 16 is arranged so as to be sandwiched between the fuel tank 16 and the lower surface 3602 of the rear floor pan 36 by a fixed belt 42 straddling the vehicle in the front-rear direction.
  • the fixed belt 42 is arranged. Are provided at intervals in the vehicle width direction.
  • the fixing belt 42 is attached to the intermediate portion 4202 abutting on the lower portion (lower surface) of the fuel tank 16 and the rear floor pan 36 located in front of the fuel tank 16 via screws. And a belt rear mounting portion 4206 that is mounted via a screw at a position of the rear floor pan 36 located behind the fuel tank 16.
  • the motor 18 is driven by electric power supplied from a traveling battery (not shown) to rotate the rear wheels 14.
  • the inverter 20 converts the DC power supplied from the traveling battery into AC power and supplies it to the motor 18.
  • the transaxle 22 transmits the power from the motor 18 to the rear wheels 14, and includes, for example, a fixed gear ratio type reduction gear that does not have a transmission mechanism inside.
  • the motor 18, the inverter 20, and the transaxle 22 are integrally attached to form one unit. This unit is arranged inside the opening 34D of the rear suspension cross member 34, and is supported on the upper surface of the rear suspension cross member 34 via three motor mounts 44 and brackets 46 made of elastic members.
  • this unit is arranged behind the vehicle of the main canister 24 which will be described later.
  • the inverter 20, the motor 18, and the transaxle 22 are all housed in a case having high strength and rigidity. Therefore, this unit is also a place having high strength and rigidity.
  • the main canister 24 and the sub canister 26 prevent the release of the fuel evaporative gas into the atmosphere by adsorbing the fuel evaporative gas evaporating from the fuel in the fuel tank 16 by the fuel adsorbent.
  • the main canister 24 adsorbs the fuel evaporative gas introduced through the valve 1602 provided in the fuel tank 16 and the vapor pipe 48.
  • the sub canister 26 is connected to the main canister 24 via a communication pipe 50, and adsorbs the fuel evaporative gas that could not be completely adsorbed by the main canister 24, and the sub canister 26 adsorbs the fuel evaporative gas that could not be completely adsorbed by the main canister 24.
  • the fuel evaporative gas adsorbed on the sub canister 26 is supplied to the engine through the communication pipe 50, the main canister 24, and the purge pipe 54 together with the outside air introduced from the atmosphere opening pipe 52 and burned. Further, the fuel evaporative gas adsorbed on the main canister 24 is supplied to the engine through the purge pipe 54 together with the outside air introduced from the atmospheric opening pipe 52 and burned.
  • reference numeral 55 indicates an evaporative check module (ELCM) provided in the atmospheric opening pipe 52 and automatically detecting a leak of fuel evaporative gas from the sub-canister 26.
  • ELCM evaporative check module
  • the main canister 24 has a substantially rectangular plate shape, and when viewed in a plan view, the long side is substantially rectangular with the long side facing the front-rear direction of the vehicle 10, and the first rear. It extends in the front-rear direction of the vehicle below the cross member 30 (first rear cross member lower 40).
  • the main canister 24 includes an upper surface 2402, a lower surface 2404, a front surface 2406 facing the front of the vehicle, a rear surface 2408 facing the rear of the vehicle, and a pair of side surfaces 2410 facing the vehicle width direction. ing.
  • a recess 2412 extending over the entire length of the upper surface 2402 in the vehicle width direction is formed, and at the end of the upper surface 2402 in the vehicle front-rear direction, a pair extending in the vehicle width direction.
  • a mounting surface 2414 is formed.
  • the first and second main canister mounting pieces 24A and 24B are projected on one side surface 2410 of the pair of side surface 2410s of the main canister 24 at intervals in the vehicle front-rear direction, and the other side surface 2410 is provided with the first and second main canister mounting pieces 24A and 24B.
  • the third main canister mounting piece 24C is projected, and each of the main canister mounting pieces 24A, 24B, 24C is provided with a screw insertion hole 24D penetrating in the vertical direction.
  • the main canister 24 is held by the main canister bracket 56 and is arranged below the first rear cross member 30 at substantially the center in the vehicle width direction.
  • the main canister bracket 56 includes a main bracket main body 58, a main front mounting portion 60, and a main rear mounting portion 62.
  • the main bracket main body 58 has a rectangular frame shape in a plan view, and includes a front piece 5802, a rear piece 5804, an upright piece 5806, a first side piece 5808, and a second side piece 5810. There is.
  • the front piece 5802 and the rear piece 5804 are arranged at intervals in the front-rear direction of the vehicle 10, extend in the vehicle width direction, and are mounted on the pair of mounting surfaces 2414.
  • the standing piece 5806 stands downward from the ends of each front piece 5802 and each rear piece 5804 in the vehicle width direction and abuts on a pair of side surfaces 2410 of the main canister 24.
  • the first side piece 5808 connects each front piece 5802 and each rear piece 5804 with an upright piece 5806 at one end in the vehicle width direction and extends in the vehicle front-rear direction to extend the first and second main canister mounting pieces 24A. , 24B.
  • the second side piece 5810 connects each front piece 5802 and each rear piece 5804 with an upright piece 5806 at the other end in the vehicle width direction, extends in the vehicle front-rear direction, and is mounted on the third main canister mounting piece 24C. Will be done.
  • the first side piece 5808 is provided with a screw insertion hole 5808A that matches the screw insertion hole 24D of the first and second main canister mounting pieces 24A and 24B.
  • the first side piece 5808 and the first and second main canister mounting pieces 24A and 24B are sandwiched and fixed by the bolt inserted into the screw insertion hole 24D and 5808A and the nut screwed into the bolt.
  • the second side piece 5810 is provided with a screw insertion hole 5810A that matches the screw insertion hole 24D of the third main canister mounting piece 24C.
  • the second side piece 5810 and the third main canister mounting piece 24C are sandwiched and fixed by the bolt inserted into the screw insertion holes 24D and 5810A and the nut screwed into the bolt. In this way, the main canister 24 is held by the main canister bracket 56.
  • the main front mounting portion 60 is a portion to be mounted at a position of the rear floor pan 36 located in front of the vehicle of the first rear cross member 30.
  • the main rear mounting portion 62 is a portion to be mounted at a position of the rear floor pan 36 located behind the vehicle of the first rear cross member 30. Stud bolts (to be connected to the main front mounting portion 60 and the main rear mounting portion 62) are located in front of and behind the vehicle from the first rear cross member 30 (first rear cross member lower 40) of the rear floor pan 36. (Not shown) is projected.
  • the main front mounting portion 60 includes a front mounting piece 6002 projecting from the front portion of the vehicle of the first side piece 5808 in the vehicle width direction.
  • a screw insertion hole 6002A is formed in the front mounting piece 6002.
  • a stud bolt in front of the vehicle of the first rear cross member 30 is inserted into the screw insertion hole 6002A, and the front mounting piece 6002 is attached to the lower surface 3602 of the rear floor pan 36 by a nut screwed into the stud bolt.
  • the main rear mounting portion 62 includes a rear mounting piece 6202 projecting from the end portion of the rear piece 5804 in the vehicle width direction in the direction opposite to the front mounting piece 6002 in the vehicle width direction.
  • a screw insertion hole 6202A is formed in the rear mounting piece 6202.
  • a stud bolt at the rear of the vehicle of the first rear cross member 30 is inserted into the screw insertion hole 6202A, and the rear mounting piece 6202 is attached to the lower surface 3602 of the rear floor pan 36 by a nut screwed into the stud bolt. That is, as shown in FIGS. 3 and 7, the main canister bracket 56 is arranged directly under the first rear cross member 30, and the rear floor pan 36 straddles the first rear cross member 30 in the vehicle front-rear direction. It is attached to the place of. Therefore, the main canister 24 is attached to the rear floor pan 36 in a state of being held by the main canister bracket 56 below the first rear cross member 30 (first rear cross member lower 40).
  • the main canister 24 in a state where the main canister 24 is attached to the rear floor pan 36, the main canister 24 is placed between the first rear cross member 30 and the rear suspension cross member 34 in the vertical direction. Have been placed.
  • the first rear cross member 30 in a state where the main canister 24 is attached to the rear floor pan 36, the first rear cross member 30 (first rear cross member lower 40) is formed in the recess 2412 of the upper surface 2402 of the main canister 24.
  • the lower surface portion 4002 of the rear cross member lower is located, and a space is secured between the upper surface of the recess 2412 and the lower surface portion 4002 of the first rear cross member lower.
  • the fuel tank 16 is arranged in front of the vehicle of the main canister 24, and the motor 18 is arranged behind the vehicle of the main canister 24.
  • FIG. 4 in a state where the main canister 24 is attached to the rear floor pan 36, at least a part of the contour of the main canister 24 is overlapped with the contour of the motor 18 when viewed from the front-rear direction of the vehicle. Most of the contour of the main canister 24 when viewed from the front-rear direction of the vehicle overlaps with the contour of the motor 18.
  • the main front mounting portion 60 of the main canister bracket 56 is located at the same position as the belt rear mounting portion 4206, or the rear floor pan 36 behind the belt rear mounting portion 4206. It is provided in a place. Further, as shown in FIG. 3, the virtual line X connecting the main front mounting portion 60 (screw insertion hole 6002A) of the main canister bracket 56 and the main rear mounting portion 62 (screw insertion hole 6202A) of the main canister bracket 56 is , Crosses in the front-rear direction of the vehicle.
  • the main canister bracket 56 is attached to the rear floor pan 36 located in front of the vehicle of the first rear cross member 30, and the main canister bracket 56 is located behind the vehicle of the first rear cross member 30.
  • the virtual line X connecting the points attached to the 36 points intersects the front-rear direction of the vehicle.
  • the sub-canister 26 has a substantially rectangular plate shape, and is substantially rectangular with the long side facing the front-rear direction of the vehicle 10 when viewed in a plan view.
  • the sub-canister 26 extends in the vehicle front-rear direction below the portion of the rear floor pan 36 near one end in the vehicle width direction and between the first rear cross member 30 and the second rear cross member 32. That is, the sub-canister 26 has a first rear cross member 30 and another second rear cross member arranged closest to the first rear cross member 30 behind the vehicle in the vehicle front-rear direction. It is arranged between 32 and. As shown in FIGS.
  • the sub-canister 26 has an upper surface 2602 and a lower surface 2604, a front surface 2606 facing the front of the vehicle, a rear surface 2608 facing the rear of the vehicle, and a pair of side surfaces 2610 facing the vehicle width direction. And have. Further, the first and second sub-canister mounting pieces 26A and 26B are projected from the rear portion of the vehicle on the upper surface 2602 of the sub-canister 26 at intervals in the vehicle width direction, and the first and second sub-canister mounting pieces 26A and 26B are provided on the respective sub canister mounting pieces 26A and 26B. Is provided with a screw insertion hole 26C penetrating in the vertical direction. Further, the leg portion 26D is projected from the center of the upper surface of the sub canister 26 near the front portion of the vehicle in the vehicle width direction, and the locking piece 26E is provided at the upper end of the leg portion 26D.
  • the sub canister 26 is held by the sub canister bracket 64 and placed close to one of the pair of rear side members 28 on the lower surface 3602 of the rear floor pan 36.
  • the sub canister bracket 64 includes a sub bracket main body 66, a sub front mounting portion 68, and a sub rear mounting portion 70.
  • the sub-bracket main body 66 has a long rectangular shape in the front-rear direction of the vehicle in a plan view, and the main body piece 6602 that abuts on the upper surface 2602 of the sub-canister 26 and the main body piece 6602 from the rear portion of the vehicle to the rear of the vehicle.
  • a hole 6602A for weight reduction is provided in a portion of the main body piece 6602 near the rear of the vehicle.
  • a hole 6602B for weight reduction is provided in a portion of the main body piece 6602 near the rear of the vehicle.
  • a locking groove 6602C that can be locked is formed.
  • the two mounting pieces 6604 are each provided with a screw insertion hole 6604A. As shown in FIGS.
  • the sub canister 26 is sub-inserted with the locking piece 26E inserted from below the insertion / removal hole 6602B, and the main body piece 6602 is in contact with the upper surface 2602 of the sub-canister 26.
  • the locking piece 26E and the leg portion 26D are slid with respect to the canister bracket 64 at the back of the locking groove 6602C, that is, at the front of the vehicle.
  • the locking piece 26E is locked in the locking groove 6602C, and the two mounting pieces 6604 are placed on the first and second sub-canister mounting pieces 26A and 26B.
  • the bolt 80 (FIG.
  • the sub front mounting portion 68 is located on one side of the sub canister 26 in the vehicle front-rear direction and is mounted at the rear side member 28.
  • the sub front mounting portion 68 is a portion to be mounted on the rear side member 28 (rear side member lower surface portion 2802) between the second rear cross members 32 of the first rear cross member 30, and is shown in FIG.
  • female threads made of weld nuts 72 are provided at the corresponding rear side members 28.
  • the sub rear mounting portion 70 is located on the other side of the sub canister 26 in the vehicle front-rear direction and is mounted on the rear floor pan 36 near one of the rear side members 28.
  • the sub rear mounting portion 70 is a portion to be mounted at the position of the rear floor pan 36 between the first rear cross member 30 and the second rear cross member 32, and as shown in FIG. 8, the corresponding rear floor A stud bolt 74 is projected from the pan 36.
  • the sub front mounting portion 68 abuts on the upper surface portion 6802 protruding forward from the vehicle front portion of the main body piece 6602 from the end portion of the upper surface portion 6802 in the vehicle width direction.
  • a standing piece 6804 protruding downward at a position in front of the vehicle of the piece 6606 and a screw insertion hole 6806A protruding downward from the lower end of the standing piece 6804 in the vehicle width direction are formed, and the lower surface of the rear side member 28 (rear side member lower surface portion 2802). ),
  • a front mounting piece 6806 which is abutted against.
  • a bolt 76 is inserted into the screw insertion hole 6806A, and the front mounting piece 6806 is attached to the rear side member lower surface portion 2802 of the rear side member 28 by screwing it into the weld nut 72.
  • the sub-rear mounting portion 70 is projected downward from the vehicle rear portion of the main body piece 6602 and the base piece 7002 protruding in the vehicle width direction from the two mounting pieces 6604 and the base piece 7002. It includes an upright piece 7004 and a rear mounting piece 7006 projecting from the lower end of the upright piece 7004 in the vehicle width direction and abutting against the lower surface 3602 of the rear floor pan 36.
  • a screw insertion hole 7006A is formed in the rear mounting piece 7006. As shown in FIGS.
  • a stud bolt 74 is inserted into the screw insertion hole 7006A, and a rear mounting piece 7006 is attached to the lower surface 3602 of the rear floor pan 36 by a nut 78 screwed into the stud bolt 74. Therefore, the sub-canister 26 is arranged in a state of being held by the sub-canister bracket 64 below the rear floor pan 36 between the first rear cross member 30 and the second rear cross member 32.
  • the sub-canister 26 when viewed in a plan view, is held by the sub-canister bracket 64, and is one of the rear side members 28 of the pair of rear side members 28 and the pair of connecting members 3406. It is arranged between one of the connecting members 3406 and between the front member 3402 and the rear member 3404.
  • the main canister 24 is held by the main canister bracket 56 attached to the rear floor pan 36 supported by the pair of rear side members 28 and the first rear cross member 30, and the first rear cross member 30 is held. It is located directly below. Therefore, the main canister bracket 56 is attached in the vicinity of the portion of the rear floor pan 36 supported by not only the pair of highly rigid rear side members 28 but also the highly rigid first rear cross member 30, in other words, the strength and rigidity. It is attached to the high rear floor pan 36. Therefore, when a collision load is input from the rear of the vehicle at the time of a rear collision of the vehicle 10, the displacement of the vehicle components arranged behind the vehicle of the main canister 24 to the front of the vehicle is suppressed, so that the main canister 24 is protected. This is advantageous in terms of suppressing fuel leakage due to damage to the main canister 24.
  • the main canister bracket 56 is attached to the rear floor pan 36 straddling the first rear cross member 30 in the front-rear direction of the vehicle. Therefore, since the main canister bracket 56 is attached to the rear floor pan 36 having high strength and rigidity, it is arranged behind the vehicle of the main canister 24 when a collision load is input from the rear of the vehicle at the time of a rear collision of the vehicle 10. The displacement of the vehicle components to the front of the vehicle is suppressed. Therefore, it is more advantageous in protecting the main canister 24, and further advantageous in suppressing fuel leakage due to damage to the main canister 24.
  • the rear suspension cross member 34 extending in the vehicle width direction below the first rear cross member 30 and having both sides connected to the rear side member 28 is provided, and the main canister 24 is provided in the vertical direction. Is arranged between the first rear cross member 30 and the rear suspension cross member 34. Therefore, the upper and lower parts of the main canister 24 are surrounded by the highly rigid first rear cross member 30 connected to the rear side member 28 and the highly rigid rear suspension cross member 34 connected to the rear side member 28.
  • the first rear cross member 30 and the rear suspension cross member 34 suppress the displacement of the vehicle components arranged around the main canister 24. Therefore, it is more advantageous in protecting the main canister 24, and further advantageous in suppressing fuel leakage due to damage to the main canister 24.
  • the motor 18 is arranged behind the vehicle of the main canister 24. Therefore, when a collision load is input from the rear of the vehicle at the time of a rear collision of the vehicle 10, the displacement of the vehicle constituent members arranged behind the vehicle of the motor 18 to the front of the vehicle is suppressed by the motor 18 having high strength and rigidity. Therefore, it is advantageous in protecting the main canister 24, and further advantageous in suppressing fuel leakage due to damage to the main canister 24.
  • the contour of the main canister 24 overlaps with the contour of the motor 18 when viewed from the front-rear direction of the vehicle, when a collision load is input from the rear of the vehicle at the time of a rear collision of the vehicle 10. , The motor 18 more reliably suppresses the displacement of the vehicle components to the main canister 24. Therefore, it is more advantageous in protecting the main canister 24, and further advantageous in suppressing fuel leakage due to damage to the main canister 24.
  • the fuel tank 16 is arranged in front of the vehicle of the main canister 24. Therefore, when a collision load is input from the rear of the vehicle at the time of a rear collision of the vehicle 10, the displacement of the vehicle constituent members arranged behind the vehicle of the motor 18 to the front of the vehicle is suppressed by the motor 18 having high strength and rigidity. Therefore, it is advantageous to prevent the main canister 24 from being displaced toward the fuel tank 16 in front of the vehicle and to protect both the main canister 24 and the fuel tank 16, due to damage to the main canister 24 and the fuel tank 16. It is even more advantageous in suppressing fuel leakage. Further, the main canister 24, which is lighter than the heavy fuel tank 16, is arranged behind the vehicle of the fuel tank 16.
  • the main canister 24 having high strength and rigidity can be arranged behind the vehicle of the fuel tank 16, which is advantageous in increasing the degree of freedom in the layout of the main canister 24.
  • the main front mounting portion 60 of the main canister bracket 56 is located at the same location as the belt rear mounting portion 4206 of the fixed belt 42 or at a location rearward of the belt rear mounting portion 4206. positioned. Therefore, when the collision load at the time of the rear surface collision of the vehicle 10 is input to the main canister 24, the main canister 24 can be prevented from being displaced toward the fuel tank 16, so that the main canister 24 and the fuel tank 16 are protected. It will be advantageous on. Further, the main front mounting portion 60 of the main canister bracket 56 is located at the same location as the belt rear mounting portion 4206 of the fixed belt 42, or at a location rearward of the vehicle from the belt rear mounting portion 4206. Therefore, workability is improved because the tool can be inserted into the main front mounting portion 60 of the main canister bracket 56 from below without being disturbed by the fuel tank 16 to mount and remove the main canister bracket 56. It will be advantageous in planning.
  • the main canister bracket 56 is attached to the rear floor pan 36 located in front of the vehicle of the first rear cross member 30, and the main canister bracket 56 is located behind the vehicle of the first rear cross member 30.
  • the virtual line X connecting the portion attached to the location of the rear floor pan 36 located is intersecting with respect to the vehicle front-rear direction. Therefore, the main canister 24 can be stably held at the minimum mounting location, which is advantageous in reducing the space occupied by the main canister bracket 56.
  • the sub-canister 26 is the first rear cross member 30 and another second rear cross member arranged closest to the first rear cross member 30 behind the vehicle of the first rear cross member 30. It is arranged between 32 and. Therefore, when a collision load is input from the rear of the vehicle at the time of a rear collision of the vehicle 10, the displacement of the vehicle components arranged around the main canister 24 by the first rear cross member 30 and the second rear cross member 32 to the front of the vehicle. Is suppressed, which is advantageous in protecting the main canister 24.
  • the sub-canister 26 is placed between the rear side member 28 of the pair of rear side members 28 and the connecting member 3406 of the pair of connecting members 3406, and the front member 3402. It is arranged between the rear member 3404 and the rear member 3404. Therefore, when a collision load is input at the time of a collision of the vehicle 10, the displacement of the vehicle components arranged around the main canister 24 by the rear side member 28, the connecting member 3406, the front member 3402, and the rear member 3404, which have high strength and rigidity, is caused. Since it is suppressed, it is advantageous in protecting the main canister 24.
  • the sub canister 26 is arranged close to one of the pair of rear side members 28, and the sub canister bracket 64 is located at one of the rear side members 28 in the vehicle front-rear direction of the sub canister 26.
  • the sub front mounting portion 68 to be mounted on the rear floor pan 36 located on the other side of the sub canister 26 in the vehicle front-rear direction and near one of the rear side members 28 is provided with the sub rear mounting portion 70. .. Therefore, since the sub canister bracket 64 is attached to the rear side member 28 having high strength and rigidity and the rear floor pan 36 having strength and rigidity in the vicinity of the rear side member 28, the sub canister 26 is stabilized with respect to the vehicle body 12. It is advantageous to hold it.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Body Structure For Vehicles (AREA)
  • Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
PCT/JP2021/036703 2020-10-07 2021-10-04 車両のキャニスタ配置構造 Ceased WO2022075282A1 (ja)

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JP2020-169963 2020-10-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4474255A1 (fr) * 2023-06-07 2024-12-11 Renault s.a.s Véhicule automobile comprenant un ensemble de protection du réservoir de carburant

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0932656A (ja) * 1995-07-18 1997-02-04 Nissan Motor Co Ltd キャニスタ取付構造
JP2001317414A (ja) * 2001-03-30 2001-11-16 Toyota Motor Corp キャニスタの取付構造
JP2006160044A (ja) * 2004-12-06 2006-06-22 Nissan Motor Co Ltd 車両のキャニスタ配設構造
JP2011116209A (ja) * 2009-12-02 2011-06-16 Honda Motor Co Ltd キャニスタの配置構造
JP2012158288A (ja) * 2011-02-02 2012-08-23 Mazda Motor Corp 車両のキャニスタ配設構造
JP2013032117A (ja) * 2011-08-02 2013-02-14 Mazda Motor Corp 下部車体構造
JP2013212719A (ja) * 2012-03-30 2013-10-17 Honda Motor Co Ltd キャニスタの配置構造

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0932656A (ja) * 1995-07-18 1997-02-04 Nissan Motor Co Ltd キャニスタ取付構造
JP2001317414A (ja) * 2001-03-30 2001-11-16 Toyota Motor Corp キャニスタの取付構造
JP2006160044A (ja) * 2004-12-06 2006-06-22 Nissan Motor Co Ltd 車両のキャニスタ配設構造
JP2011116209A (ja) * 2009-12-02 2011-06-16 Honda Motor Co Ltd キャニスタの配置構造
JP2012158288A (ja) * 2011-02-02 2012-08-23 Mazda Motor Corp 車両のキャニスタ配設構造
JP2013032117A (ja) * 2011-08-02 2013-02-14 Mazda Motor Corp 下部車体構造
JP2013212719A (ja) * 2012-03-30 2013-10-17 Honda Motor Co Ltd キャニスタの配置構造

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4474255A1 (fr) * 2023-06-07 2024-12-11 Renault s.a.s Véhicule automobile comprenant un ensemble de protection du réservoir de carburant
FR3149582A1 (fr) * 2023-06-07 2024-12-13 Renault S.A.S Véhicule automobile comprenant un ensemble de protection du réservoir de carburant

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