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WO2018131295A1 - Réservoir de carburant - Google Patents

Réservoir de carburant Download PDF

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Publication number
WO2018131295A1
WO2018131295A1 PCT/JP2017/041776 JP2017041776W WO2018131295A1 WO 2018131295 A1 WO2018131295 A1 WO 2018131295A1 JP 2017041776 W JP2017041776 W JP 2017041776W WO 2018131295 A1 WO2018131295 A1 WO 2018131295A1
Authority
WO
WIPO (PCT)
Prior art keywords
reinforcing band
band member
side wall
fuel tank
wall
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/JP2017/041776
Other languages
English (en)
Japanese (ja)
Inventor
博文 柴崎
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.)
Yachiyo Industry Co Ltd
Original Assignee
Yachiyo Industry Co Ltd
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 Yachiyo Industry Co Ltd filed Critical Yachiyo Industry Co Ltd
Priority to JP2018561837A priority Critical patent/JP6771042B2/ja
Publication of WO2018131295A1 publication Critical patent/WO2018131295A1/fr
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
    • 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
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines

Definitions

  • the present invention relates to a fuel tank.
  • Patent Document 1 As a fuel tank mounted on an automobile or the like, one described in Patent Document 1 is known.
  • the fuel tank of patent document 1 was a form which covered the whole area
  • the conventional fuel tank has a problem that the manufacturing cost increases because the amount of the fiber reinforced resin used is large.
  • the present invention was created to solve such problems, and an object of the present invention is to provide a fuel tank that can reduce manufacturing costs.
  • the present invention provides a fuel tank that is integrally provided with a plurality of reinforcing belt members formed of fiber-reinforced resin on the outer surface of a resin tank body including a lower wall, an upper wall, and a side wall.
  • the reinforcing belt member is continuously formed over the lower wall and the pair of opposing side walls, and is continuously formed over the upper wall and the pair of opposing side walls. It is characterized by.
  • the tank body can be efficiently reinforced by the reinforcing band member, and the amount of the fiber reinforced resin used can be reduced as compared with the conventional case, so that the manufacturing cost can be reduced.
  • the outer surface of the tank body has a concave portion having a concave cross section, and the reinforcing band member is formed in the concave portion and has a bottom portion and a pair of side walls rising from both ends of the bottom portion along the concave portion. It is preferable to have.
  • the strength of the fuel tank can be increased synergistically.
  • the reinforcing band member of the upper wall and the reinforcing band member of the lower wall are arranged so that the end portions face each other at the central portion of the side wall. According to such a configuration, the tank body can be reinforced with a good balance.
  • the tank body can be reinforced more firmly.
  • connection reinforcing band member that connects the adjacent reinforcing band members. According to such a configuration, the strength of the tank body can be partially increased.
  • the side wall of the tank body has an arc shape protruding sideways. According to this configuration, the strength of the side wall can be increased.
  • corner reinforcement formed by the corner portion constituted by the lower wall and the side wall adjacent to the lower wall and the corner portion constituted by the upper wall and the side wall adjacent to the upper wall It is preferable to have a band member.
  • the side wall When a negative pressure is applied to the fuel tank, the side wall may buckle, but according to such a configuration, the side wall can be reinforced efficiently.
  • the tank body is formed of a thermoplastic resin
  • the reinforcing band member is formed by laminating a plurality of fiber base materials and a plurality of resin films
  • the outermost layer of the reinforcing band member is It is preferably formed of a thermoplastic resin film.
  • the weldability between the reinforcing belt member and the tank body can be improved.
  • the corners of the reinforcing band member are formed thicker than other portions. According to such a configuration, it is possible to increase the strength of the corner portion while suppressing the manufacturing cost.
  • the fuel tank of the present invention it can be reinforced efficiently and the manufacturing cost can be reduced.
  • FIG. 1 is a perspective view showing a fuel tank according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view taken along the line II-II in FIG.
  • FIG. 3 is a sectional view taken along line III-III in FIG. 1.
  • FIG. 4 is a sectional view taken along line IV-IV in FIG. 1. It is an expanded sectional view of a reinforcement belt member and a crevice. It is a perspective view which shows the reinforcement band member group (reinforcement band member etc.) which concerns on 1st embodiment. It is a perspective view which shows the laminated body formation process of the manufacturing method of the fuel tank which concerns on 1st embodiment.
  • the fuel tank T is mounted on a moving means such as an automobile, a motorcycle, and a ship, and mainly includes a tank body 1 and a reinforcing band member group 2.
  • the shape of the fuel tank T is not limited to the form shown in FIG. 1, but in the present embodiment, the fuel tank T is formed so as to be symmetrical in the vertical direction, the horizontal direction, and the longitudinal direction.
  • the tank body 1 is a hollow container for storing fuel such as gasoline, and is formed of, for example, a thermoplastic resin including a barrier layer.
  • the tank body 1 is molded by, for example, blow molding.
  • the tank body 1 includes a lower wall 11, an upper wall 12, a first side wall 13, a second side wall 14, a third side wall 15, and a fourth side wall 16.
  • the first side wall 13, the second side wall 14, the third side wall 15, and the fourth side wall 16 are parts constituting the peripheral wall of the tank body 1.
  • the first side wall 13 and the second side wall 14 face each other substantially in parallel.
  • the third side wall 15 and the fourth side wall 16 are opposed to each other.
  • the third side wall 15 and the fourth side wall 16 protrude in a semicircular shape toward the outer side.
  • the lengths of the first side wall 13 and the second side wall 14 are shorter than the lengths of the third side wall 15 and the fourth side wall 16.
  • the lower wall 11, the upper wall 12, the third side wall 15, and the fourth side wall 16 of the tank body 1 are formed with concave portions 3 that are continuous over the entire circumference.
  • four recesses 3 are arranged in parallel in the front-rear direction with a gap therebetween.
  • the concave portion 3 has a bottom portion and a pair of side walls rising from the bottom portion, and is formed to open to the outside.
  • the recess 3 is formed with a constant cross section over the entire circumference. The number of the recesses 3 is not limited.
  • a continuous recess 5 is formed in the lower wall 11, the first side wall 13 and the upper wall 12 of the tank body 1.
  • two recesses 5 are formed in the left-right direction.
  • the concave portion 5 has a bottom portion and a pair of side walls rising from the bottom portion, and is formed to open to the outside.
  • the recessed part 5 is formed in the fixed cross section over the full length.
  • a continuous recess 6 is formed in the lower wall 11, the second side wall 14, and the upper wall 12 of the tank body 1.
  • two recesses 6 are formed in the left-right direction.
  • the concave portion 6 has a bottom portion and a pair of side walls rising from the bottom portion, and is formed to open to the outside.
  • the recessed part 6 is formed in the fixed cross section over the full length.
  • the reinforcing band member group 2 is a member that reinforces the tank body 1 as shown in FIGS. 1 and 6, and is provided on the outer surface of the tank body 1.
  • the reinforcing band member group 2 includes four lower reinforcing band members 21, four upper reinforcing band members 22, four lower corner reinforcing band members 23, and four upper corner reinforcing bands. It is comprised with the member 24.
  • FIG. The reinforcing band member group 2 is a thin band-shaped member made of fiber reinforced resin (FRP: Fiber-Reinforced Plastics), and is integrally formed on the outer surface of the tank body 1.
  • FRP Fiber-Reinforced Plastics
  • the four lower reinforcing band members (reinforcing band members) 21 are juxtaposed in parallel in the front-rear direction with a gap on the outer surface of the lower wall 11 as shown in FIGS. 1 and 6.
  • Each lower reinforcing band member 21 is disposed and integrally formed in each recess 3 of the lower wall 11 of the tank body 1.
  • the lower reinforcing band member 21 has a substantially U shape in appearance.
  • the lower reinforcing band member 21 includes a bottom portion 21a and side walls 21b and 21b that rise from both sides in the front-rear direction of the bottom portion 21a (see also FIG. 5).
  • the lower reinforcing band member 21 has a groove formed by the bottom 21a and the side walls 21b and 21b, and has a constant cross-sectional shape over the entire length.
  • the lower reinforcing band member 21 is continuously disposed across the third side wall 15, the lower wall 11, and the fourth side wall 16.
  • the four upper reinforcing band members (reinforcing band members) 22 are arranged in parallel in the front-rear direction with a gap on the outer surface of the upper wall 12, as shown in FIGS. Each upper reinforcing band member 22 is disposed and integrally formed in each concave portion 3 of the upper wall 12 of the tank body 1.
  • the upper reinforcing band member 22 has a substantially U shape in appearance.
  • the upper reinforcing band member 22 includes a bottom portion 22a and side walls 22b and 22b that rise from both sides in the front-rear direction of the bottom portion 22a. That is, the upper reinforcing band member 22 has a groove formed by the bottom 22a and the side walls 22b and 22b, and has a constant cross-sectional shape over the entire length.
  • the upper reinforcing band member 22 is continuously disposed across the third side wall 15, the upper wall 12 and the fourth side wall 16. Further, the upper end portion of the lower reinforcing band member 21 and the lower end portion of the upper reinforcing band member 22 are spaced apart from each other on the third side wall 15. Further, the upper end portion of the lower reinforcing band member 21 and the lower end portion of the upper reinforcing band member 22 are arranged on the fourth side wall 16 so as to be separated from each other.
  • the lower corner reinforcing band member 23 has a substantially L shape in appearance.
  • the lower corner reinforcing band member 23 includes a bottom portion 23a and side walls 23b and 23b rising from both sides of the bottom portion 23a. That is, in the lower corner reinforcing band member 23, a groove is formed by the bottom 23a and the side walls 23b, 23b, and has a constant cross-sectional shape over the entire length.
  • the other two lower corner reinforcing band members 23 are integrally formed in the concave portions 6 corresponding to the corner portions of the lower wall 11 and the second side wall 14, respectively.
  • the upper corner reinforcing band member 24 has a substantially L shape in appearance.
  • the upper corner reinforcing band member 24 includes a bottom portion 24a and side walls 24b and 24b rising from both sides of the bottom portion 24a. That is, the upper corner reinforcing band member 24 is formed with a concave groove by the bottom 24a and the side walls 24b, 24b, and has a constant cross-sectional shape over the entire length.
  • the other two upper corner reinforcing band members 24 are integrally formed in the recesses 6 corresponding to the corners of the upper wall 12 and the second side wall 14, respectively.
  • the lower corner reinforcing band members 23 and 23 are installed at the corners of the first side wall 13 and the lower wall 11, and the upper corner reinforcing band members are formed at the corners of the first side wall 13 and the upper wall 12. Since 24 and 24 are installed, in particular, it is possible to efficiently reinforce the negative pressure acting on the first side wall 13. Further, lower corner reinforcing band members 23 and 23 are installed at the corners of the second side wall 14 and the lower wall 11, and upper corner reinforcing band members 24 and 24 are installed at the corners of the second side wall 14 and the upper wall 12. Therefore, in particular, the negative pressure acting on the second side wall 14 can be efficiently reinforced.
  • the reinforcing band member group 2 only needs to be provided with at least one pair of the lower reinforcing band member 21 and the upper reinforcing band member 22.
  • the arrangement of the lower reinforcing band member 21 and the upper reinforcing band member 22 is not limited to the present embodiment, and the design can be changed as appropriate.
  • the lower reinforcing band member 21 and the upper reinforcing band member 22 may be arranged in a staggered manner instead of corresponding positions.
  • the lower reinforcing band member 21 may be disposed continuously to the first side wall 13, the lower wall 11, and the second side wall 14.
  • the upper reinforcing band member 22 may also be disposed continuously with the first side wall 13, the upper wall 12 and the second side wall 14.
  • the lower reinforcing band member 21 and the upper reinforcing band member 22 may be arranged in a cross shape in plan view.
  • the lower corner reinforcing band member 23 and the upper corner reinforcing band member 24 may be arranged to be staggered instead of corresponding positions.
  • the lower corner reinforcing band member 23 may be disposed at the corner between the lower wall 11 and the third side wall 15 or at the corner between the lower wall 11 and the fourth side wall 16.
  • the upper corner reinforcing band member 24 may be disposed at the corner between the upper wall 12 and the third side wall 15 or at the corner between the upper wall 12 and the fourth side wall 16. Further, the lower corner reinforcing band member 23 and the upper corner reinforcing band member 24 may be omitted.
  • the lower reinforcing band member 21, the upper reinforcing band member 22, the lower corner reinforcing band member 23, and the upper corner reinforcing band member 24 are all formed in a concave cross section, but the semicircular cross section, triangular cross section, plate shape, etc. The shape may also be
  • a method for manufacturing a fuel tank will be described.
  • a laminated body forming step, a reinforcing band member forming step, an arranging step, and a fuel tank forming step are mainly performed.
  • the laminated body forming step is a step of forming a laminated body 33 by overlapping a plurality of fiber base materials 31 and a plurality of resin films 32 as shown in FIG.
  • the fiber substrate 31 is a thin sheet formed of carbon fiber, glass fiber, resin fiber, or the like. Each fiber base material 31 is laminated so that the fiber orientation angles are different.
  • the resin film 32 is a thin film formed of a thermoplastic resin (high density polyethylene, polyethylene, nylon, etc.) or a thermosetting resin (phenol resin, epoxy resin, etc.). The resin films 32 and 32 are laminated so as to sandwich the fiber base material 31 therebetween.
  • the laminated body 33 is impregnated with the melted resin film 32 inside the fiber base material 31 to express a predetermined strength, and is melted at a predetermined temperature during a fuel tank molding process to be described later. It sets suitably so that it may weld. Further, the laminated body 33 is appropriately set so that each reinforcing band member is formed by being deformed at a predetermined temperature during a reinforcing band member forming step described later.
  • the design of the laminate 33 can be changed as appropriate. For example, you may laminate the fiber base material 31 which consists of a different material for every base material. Moreover, you may laminate
  • the material constituting the laminated body 33 and the order of lamination are appropriately set in consideration of the adhesiveness with the material of the tank body 1 and the strength characteristics (matching between the fiber base material 31 and the resin film 32) exhibited by the laminated body 33. Is preferred.
  • the stacking order is not limited to the configuration in which the fiber base material 31 and the resin film 32 are alternately stacked, and the thermosetting resin film 32 and the tank body 1 having good impregnation with respect to the fiber base material 31 are included.
  • a thermoplastic resin film 32 having good weldability may be laminated adjacently.
  • the reinforcing band member forming step is a step of forming the lower reinforcing band member 21, the upper reinforcing band member 22, the lower corner reinforcing band member 23, and the upper corner reinforcing band member 24, respectively.
  • the reinforcing band member is formed using a reinforcing band forming die K constituted by a lower die K1 and an upper die K2.
  • the lower mold K1 and the upper mold K2 are each formed with a temperature adjustment unit M capable of adjusting the temperature.
  • the laminate 33 is sandwiched between the lower mold K1 and the upper mold K2 and heated at a predetermined temperature, for example, to form the lower reinforcing band member 21 shown in FIG.
  • the placement step is a step of placing the reinforcing band member group 2 on the fuel tank mold J as shown in FIG.
  • the fuel tank molding die J has a first die J1 that molds the lower side and a second die J2 that molds the upper side.
  • Installation convex portions J1a and J1b are formed on the one mold J1 and the other mold J2 of the fuel tank mold J, respectively.
  • the installation convex portions J1a are formed on the bottom surfaces of the one mold J1 and the other mold J2 with a predetermined gap therebetween.
  • the installation convex portion J1a is a portion where the lower reinforcing belt member 21 or the upper reinforcing belt member 22 is disposed, and is formed in a substantially rectangular cross section.
  • the installation convex part J1a is also a part for molding the concave part 3 of the tank body 1.
  • the installation convex part J1b is formed in the corner
  • the installation convex portion J1b is a portion where the lower corner reinforcing band member 23 and the upper corner reinforcing band member 24 are disposed, and is formed in a substantially rectangular cross section.
  • the installation protrusion J1b is also a part for forming the recesses 5 and 6 of the tank body 1 respectively.
  • the lower reinforcing band members 21 are arranged on the installation protrusions J1a of the one-sided J1, and the lower corner reinforcing band members 23 are arranged on the installation protrusions J1b. Further, in the arranging step, each upper reinforcing band member 22 is arranged on each installation convex portion J1a of the other mold J2, and each lower corner reinforcing band member 23 is arranged on each installation convex portion J1b. Since the one mold J1 and the other mold J2 are preheated to a predetermined temperature, when the reinforcing band member group 2 is disposed, the reinforcing band member group 2 and the one mold J1 and the other mold J2 are attached so as not to fall. become.
  • the fuel tank molding step is a step of blow molding the fuel tank T with a fuel tank mold J as shown in FIGS.
  • a cylindrical or sheet-like parison P (FIG. 10) is discharged from the die D between the one mold J1 and the other mold J2.
  • the parison P is, for example, a thermoplastic resin composed of a plurality of layers including a barrier layer inside.
  • the fuel tank mold J is preheated to a predetermined temperature so that the parison P is plastically deformed.
  • the parison P is transferred to the molding surface of the fuel tank mold J, and the parison P and the reinforcing band member group 2 (lower reinforcing band member 21, upper reinforcing band member 22, lower corner reinforcing band member 23 and upper corner reinforcing member).
  • the belt member 24 is welded and integrated.
  • the parison P may be sucked using the vacuuming means provided in the one mold J1 and the other mold J2, and the parison P may be transferred to the fuel tank mold J.
  • the mold is removed and the fuel tank T is taken out.
  • the tank body 1 can be efficiently reinforced by the reinforcing band member group 2. More specifically, the lower reinforcing member 21 and the upper reinforcing member 22 are installed on the lower wall 11 and the upper wall 12 respectively, thereby efficiently reinforcing the lower wall 11 and the upper wall 12 on which a large positive pressure acts. Can do.
  • the lower reinforcing band member 21 is formed continuously over the third side wall 15, the lower wall 11, and the fourth side wall 16, the reinforcement efficiency can be increased.
  • the upper reinforcement belt member 22 is continuously formed over the third side wall 15, the upper wall 12, and the fourth side wall 16, the reinforcement efficiency can be increased.
  • the first side wall 13 and the second side wall 14 on which a large negative pressure acts can be reinforced.
  • the lower corner reinforcing band member 23 is formed continuously over the first side wall 13 and the lower wall 11 and is formed continuously over the second side wall 14 and the lower wall 11.
  • the reinforcement efficiency can be increased.
  • the upper corner reinforcing band member 24 is formed continuously over the first side wall 13 and the upper wall 12 and continuously formed over the second side wall 14 and the upper wall 12. The reinforcement efficiency can be increased.
  • the reinforcing band member group 2 (the lower reinforcing band member 21, the upper reinforcing band member, the lower corner reinforcing band member 23, and the upper corner reinforcing band member 24) is integrally formed in the recesses 3, 5, and 6 and Since it is comprised by the bottom part and a pair of side wall so that the shape of 3,5,6 may be followed, reinforcement efficiency can be raised synergistically.
  • the strength of the fuel tank T can be increased in a well-balanced manner. Further, since the lower reinforcing band member 21 and the upper reinforcing band member 22 are arranged in parallel with a gap therebetween, the strength of the fuel tank T can be increased in a well-balanced manner.
  • both ends of the lower reinforcing band member 21 and the upper reinforcing band member 22 which are vertically opposed to each other, and the end portions of the lower corner reinforcing band member 23 and the upper corner reinforcing band member 24 are the first side wall 13, the second side wall 14, The third side wall 15 and the fourth side wall 16 are spaced apart from each other at the center in the vertical direction.
  • both ends of the lower reinforcing band member 21 and the upper reinforcing band member 22 and the ends of the lower corner reinforcing band member 23 and the upper corner reinforcing band member 24 are spaced apart with the parting line of the tank body 1 interposed therebetween. Is arranged. Thereby, the intensity
  • the reinforcing band member group 2 is arranged on the installation convex portion J1a and the installation convex portion J1b provided in the fuel tank mold J, so that the positional displacement of the reinforcing band member group 2 is prevented at the time of molding. Can do. Further, in the fuel tank molding process, the reinforcing band member group 2 is welded to the parison P during blow molding, so that it can be easily integrally molded and the step between the tank body 1 and the reinforcing band member group 2 can be reduced. it can.
  • the third side wall 15 and the fourth side wall 16 of the tank main body 1 have an arc shape protruding sideways.
  • strength with respect to the external force which acts from the outer side of the 3rd side wall 15 and the 4th side wall 16 can be raised.
  • the fuel tank TA is mainly different from the first embodiment in that the fuel tank TA includes the opening 17, the connection reinforcing belt members 25, 25, and the auxiliary reinforcing belt members 26, 26.
  • the description will focus on the parts that are different from the first embodiment.
  • the first side wall 13 is formed with three recesses 5, lower corner reinforcing band members 23, and three upper corner reinforcing band members 24, respectively.
  • the second side wall 14 is formed with three recesses 6, three lower corner reinforcing band members 23 and three upper corner reinforcing band members 24, respectively.
  • a circular opening 17 is formed at the center of the upper wall 12 of the tank body 1.
  • the opening 17 is a part where a built-in component such as a pump module (not shown) is installed.
  • the upper wall 12 has recesses 7 and 7 connected to the recesses 3 and 3 at both ends with the opening 17 interposed therebetween.
  • the recesses 7 and 7 extend in the front-rear direction, have a rectangular cross section, and open upward.
  • the recesses 7 and 7 are formed perpendicular to the recesses 3 and 3.
  • connection reinforcing belt member 25 is disposed inside the recess 7 and is integrally formed with the recess 7.
  • the connection reinforcing belt member 25 includes a bottom portion 25a and side walls 25b and 25b rising from both ends of the bottom portion 25a.
  • the connection reinforcing belt member 25 and the concave portion 7 are connected to the adjacent upper reinforcing belt members 22, 22 and the concave portion 3, respectively.
  • the connection reinforcing band members 25 and 25 are integrally formed by welding to the upper reinforcing band members 22 and 22 by being overlapped during the fuel tank forming process.
  • the connection reinforcing band members 25 and 25 may be integrally formed with the upper reinforcing band members 22 and 22 in advance in the reinforcing band member forming step.
  • the auxiliary reinforcing belt member 26 is disposed inside the middle recess 3 and is integrally formed with the recess 3.
  • the right auxiliary reinforcing belt member 26 is formed from the right connecting reinforcing belt member 25 to the center of the third side wall 15.
  • the left auxiliary reinforcing band member 26 is formed from the left connecting reinforcing band member 25 to the center of the fourth side wall 16.
  • the auxiliary reinforcing belt member 26 includes a bottom portion 26a and side walls 26b and 26b rising from both ends of the bottom portion 26a.
  • the auxiliary reinforcing band members 26 and 26 are integrally formed by being welded to the connecting reinforcing band members 25 and 25, respectively, by being overlapped during the fuel tank forming process.
  • the auxiliary reinforcing band members 26 and 26 may be integrally formed with the connection reinforcing band members 25 and 25 in advance in the reinforcing band member forming step.
  • the fuel tank T according to the second embodiment described above can also provide substantially the same effect as the first embodiment.
  • the strength in the front-rear direction can be increased by providing the connection reinforcing band members 25, 25 connected to the upper reinforcing band members 22, 22. Further, by providing the connection reinforcing band members 25, 25, it is possible to locally reinforce a portion where the strength is to be increased, such as around the opening 17.
  • FIG. 13 is a schematic cross-sectional view showing a modified example of the laminated body forming step.
  • FIG. 14 is a schematic cross-sectional view showing a modification of the reinforcing band member.
  • the auxiliary laminated body 41 is provided in a part of the laminated body 33.
  • a composite laminate 42 may be formed.
  • the auxiliary laminated body 41 is provided so as to be laminated on a part of the laminated body 33 so that the thickness is increased.
  • the auxiliary laminated body 41 is disposed so as to be gradually shortened as it is separated from the laminated body 33 (so that the lateral length in FIG. 13 is shortened).
  • the reinforcing band member 2A is formed by the composite laminate 42 of FIG.
  • the thickness of the outer corner is larger than that of other portions.
  • the strength of a part of the reinforcing band member is increased, if the thickness of the entire laminate is increased, the thickness of a portion that does not require reinforcement is increased, which is uneconomical.
  • the strength of the reinforcing band member 2A can be locally increased and the strength can be efficiently increased. That is, the reinforcing band member may be appropriately formed so that its thickness varies depending on the application of the fuel tank T. Further, by forming the auxiliary laminated body 41 so as to be gradually shortened as it is separated from the laminated body 33, it is possible to prevent a step on the outer surface of the corner from becoming large after molding.
  • the reinforcing band members are formed so as to be separated from each other at the central portions of the first side wall 13, the second side wall 14, the third side wall 15, and the fourth side wall 16, but they may be overlapped.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Laminated Bodies (AREA)

Abstract

La présente invention aborde le problème de la fourniture d'un réservoir de carburant qui permet de réduire les coûts de fabrication. Le réservoir de carburant selon l'invention est doté d'un seul tenant d'une pluralité de groupes d'éléments de bande de renforcement (2) qui sont formés d'une résine renforcée par des fibres et sont disposés sur la surface externe d'un corps de réservoir de résine (1) comprenant une paroi inférieure (11), une paroi supérieure (12) et une première paroi latérale (13), une deuxième paroi latérale (14), une troisième paroi latérale (15) et une quatrième paroi latérale (16). Le réservoir de carburant est caractérisé en ce que les éléments de bande renforcés sont formés de façon continue à travers la paroi inférieure (11) et la paire opposée de la troisième paroi latérale (15) et la quatrième paroi latérale (16) et sont formés de façon continue à travers la paroi supérieure (12) et la paire opposée de la troisième paroi latérale (15) et de la quatrième paroi latérale (16).
PCT/JP2017/041776 2017-01-13 2017-11-21 Réservoir de carburant Ceased WO2018131295A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2018561837A JP6771042B2 (ja) 2017-01-13 2017-11-21 燃料タンク

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-004675 2017-01-13
JP2017004675 2017-01-13

Publications (1)

Publication Number Publication Date
WO2018131295A1 true WO2018131295A1 (fr) 2018-07-19

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PCT/JP2017/041776 Ceased WO2018131295A1 (fr) 2017-01-13 2017-11-21 Réservoir de carburant

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JP (1) JP6771042B2 (fr)
WO (1) WO2018131295A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020093673A (ja) * 2018-12-13 2020-06-18 株式会社Fts 燃料タンク
CN114450183A (zh) * 2019-09-20 2022-05-06 考特克斯·特克斯罗恩有限公司及两合公司 具有至少一个加固结构的汽车用塑料容器

Citations (4)

* Cited by examiner, † Cited by third party
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