JP2017082612A - Fuel filter and fuel feeding device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a technology for suppressing reaction force of filter members when bending a fuel filter.SOLUTION: A fuel filter 50 comprises a pair of filter members 54, 54 stacked on each other. The fuel filter includes: a communication part CP where a gap between the pair of filter members 54, 54 from one ends in an X' direction of the filter members 54 to the other ends is communicated, and a section part DP where the gap is divided into plural sections 51A, 51B, 51C in the X' direction, when the filter members 54 are viewed along the Z axis direction. The gap between the pair of filter members 54, 54 in each of the plural sections 51A, 51B, 51C communicate with the communication part 51D adjacent in the Z axis direction. End edges in the X' direction of each of the plural divisions 51A, 51B, 51C are closed by welding, and the welded portions 58 of the end edges of the sections adjacent to one another in the X' direction are separated from each other.SELECTED DRAWING: Figure 3

Description

  The present specification relates to a fuel filter that removes foreign matters from fuel sucked into a fuel pump.

  Patent Document 1 discloses a fuel filter connected to a suction port of a fuel pump. The fuel filter is formed in a bag shape by facing a pair of filter members and welding the outer peripheral edge. The fuel filter is curved along the outer peripheral surface of the cylindrical fuel pump.

JP 2013-245651 A

  When the fuel filter is curved along the fuel pump, the outer filter member is pulled and the inner filter member is compressed due to the difference in the line length between the inner side and the outer side of the fuel filter. As a result, a reaction force is generated in the inner and outer filter members, and the filter members attempt to return to the original shape. For this reason, it is difficult to assemble the fuel filter when the fuel filter is curved. In this specification, the technique which suppresses the reaction force of the filter member at the time of bending a fuel filter is provided.

  The present specification discloses a fuel filter that is disposed in a fuel tank and removes foreign matters from fuel sucked into a fuel pump. The fuel filter includes a pair of filter members that face each other and whose outer peripheral edges are closed. In each filter member, a plurality of sheet-shaped filter media are stacked. When the filter member is viewed along the first direction orthogonal to the direction in which the filter media overlap, in the direction in which the filter media overlap and in the second direction orthogonal to the first direction, the pair of filter members from one end of the filter member to the other end It has a communication part with which a crevice is connected, and a division part by which a crevice between a pair of filter members is divided into a plurality of divisions in the 2nd direction. The gap between each pair of filter members in the plurality of compartments communicates with the gap between the pair of filter members in the communication portion adjacent in the first direction. The edge in the second direction of each of the plurality of compartments is closed. The edges of the sections adjacent in the second direction are separated from each other.

  In the fuel filter, the filter member is separated for each section in the section. For this reason, the force applied to a filter member can be suppressed in a division part by bending a fuel filter along the fold line parallel to a 1st direction between adjacent divisions. Thereby, the reaction force generated in the filter member can be suppressed.

  The present specification further includes a fuel pump, a reserve cup that accommodates the fuel pump, and a fuel filter that is bent along the outer periphery of the fuel pump and accommodated in the reserve cup. An apparatus is disclosed. The fuel filter includes a pair of filter members that face each other and whose outer peripheral edges are closed. The suction port of the fuel pump communicates with the gap between the pair of filter members. Each filter member In each filter member, a plurality of sheet-like filter media are piled up. When the filter member is viewed along the height direction of the fuel pump, in the outer peripheral direction of the fuel pump of the filter member, a communication portion in which a gap between the pair of filter members communicates from one end to the other end of the filter member; And a partition portion in which a gap between the pair of filter members is divided into a plurality of partitions in the outer peripheral direction of the fuel pump. The gaps between the pair of filter members in each of the plurality of compartments communicate with the gaps between the pair of filter members in the communication portion adjacent in the height direction of the fuel pump. The peripheral edges of the fuel pumps in the plurality of compartments are closed. The edges of the sections adjacent to each other in the outer circumferential direction of the fuel pump are separated from each other. The fuel filter is bent between adjacent compartments.

  According to this configuration, when the fuel filter is bent along the outer periphery of the fuel pump, the force applied to the filter member can be suppressed at the partition portion by bending between the adjacent partitions. Thereby, the reaction force generated in the filter member can be suppressed.

The structure around the fuel tank of the embodiment is shown. The bottom view of the fuel pump and filter of 1st Example is shown. The perspective view of the filter before the assembly | attachment of 1st Example is shown. The back view of the filter before the assembly | attachment of 1st Example is shown. The perspective view of the frame of the filter of the 1st example is shown. The disassembled perspective view of the filter member of 1st Example is shown. The top view of the filter after the assembly | attachment of 1st Example is shown. The reverse view of the filter before the assembly | attachment of 2nd Example is shown. The back view of the filter before the assembly | attachment of a modification is shown. The back view of the filter before the assembly | attachment of another modification is shown.

  The main features of the embodiments described below are listed. The technical elements described below are independent technical elements and exhibit technical usefulness alone or in various combinations, and are not limited to the combinations described in the claims at the time of filing. Absent.

(Feature 1) In the fuel filter of the present embodiment, the sections adjacent in the second direction may be adjacent to each other. The edges in the second direction of the plurality of sections may be separated from each other by slits extending in the first direction. According to this configuration, the sections adjacent in the second direction can be arranged without a gap. According to this configuration, the surface area of the filter member in the plurality of compartments can be increased, and by providing the compartment portion, it is possible to suppress a decrease in the filtration performance of the fuel filter.

(Feature 2) In the fuel filter of the present embodiment, the outer peripheral edges of the pair of filter members may be closed by welding. A cutout may be disposed on the extension line of the slit at the welded portion of the outer peripheral edge of the pair of filter members. According to this configuration, the welded portion can be easily bent according to the slit.

(Characteristic 3) In the fuel filter of this embodiment, the slit and the notch may be continuous. According to this configuration, by bending the fuel filter along the notch and the slit, the reaction force of the filter member can be reduced and the reaction force against the bending of the relatively rigid welded portion can be reduced.

(Characteristic 4) In the fuel filter of the present embodiment, the communication portion may be disposed at an end portion in the first direction. According to this structure, when arrange | positioning a fuel filter in a fuel tank, it can arrange | position so that a communication part may be located in a lower end. According to this configuration, the fuel filtered by the pair of filter members can easily flow to the communicating portion in the plurality of sections. For this reason, the fuel filtered by the fuel filter can be smoothly sucked into the fuel pump by connecting the suction port of the fuel pump to the communicating portion.

(First embodiment)
FIG. 1 shows a state in which the fuel supply device 10 is mounted on a vehicle such as an automobile. In FIG. 1, in order to make the fuel supply device 10 easier to see, a fuel tank 2, a set plate 16, and a reserve cup 30 described later are represented by a cross section parallel to the XZ plane passing through the center of the set plate 16. The fuel supply device 10 is mounted on a vehicle such as an automobile and supplies fuel to an engine (not shown). The fuel supply device 10 is disposed in the fuel tank 2. The fuel tank 2 stores fuel such as gasoline. The fuel supply device 10 supplies the fuel stored in the fuel tank 2 to the engine.

  The fuel tank 2 is made of metal or resin. The fuel tank 2 has an opening 2a on the upper wall. The opening 2 a is used for disposing the fuel pump 20 of the fuel supply device 10 in the fuel tank 2.

  The fuel supply device 10 includes a set plate 16, a fuel pump 20, a reserve cup 30, a fuel filter 50, and a locking wall 24. The set plate 16 is made of resin and has a flat plate shape. The set plate 16 is disposed at the upper end of the opening 2a and closes the opening 2a. The set plate 16 includes a discharge port 12 and a case 14. The discharge port 12 and the case 14 are formed integrally with the set plate 16 on the upper surface of the set plate 16. The discharge port 12 is connected to the engine and supplies fuel discharged from the fuel pump 20 to the engine. The case 14 houses a control circuit that controls the fuel supply device 10.

  One end of a supply pipe 18 is connected to the discharge port 12. The supply pipe 18 extends from the discharge port 12 through the set plate 16 into the fuel tank 2. A fuel pump 20 is connected to the other end of the supply pipe 18. The fuel pump 20 has a cylindrical shape, and its central axis extends parallel to the depth direction of the fuel tank 2 (hereinafter referred to as “Z-axis direction”). That is, the height direction of the fuel pump 20 is equal to the Z-axis direction. The fuel pump 20 is a Wesco pump, and the fuel in the fuel tank 2 is sucked into the fuel pump 20 by the rotation of the impeller, the pressure is increased, and the fuel pump 20 is supplied from the discharge port 12 to the engine via the supply pipe 18. The fuel pump 20 is connected to a control circuit in the case 14 via the wiring 19. The fuel pump 20 is controlled by a control circuit.

  The fuel pump 20 is accommodated in the reserve cup 30. The reserve cup 30 is attached to the fuel pump 20 and is disposed in the fuel tank 2. The reserve cup 30 has a bottomed cylindrical shape. The reserve cup 30 is placed on the bottom surface of the fuel tank 2. A jet pump (not shown) is attached to the lower end of the reserve cup 30. The jet pump causes fuel outside the reserve cup 30 to flow into the reserve cup 30 using part of the fuel discharged from the fuel pump 20 while the fuel pump 20 is driven. As a result, even if the fuel level in the fuel tank 2 decreases, the fuel level in the reserve cup 30 can be maintained at a relatively high position.

  A fuel filter 50 is disposed between the outer peripheral surface of the fuel pump 20 and the inner peripheral surface of the reserve cup 30. The fuel filter 50 removes foreign matters in the fuel from the fuel by filtering the fuel drawn into the fuel pump 20 from the reserve cup 30. Thereby, it is possible to prevent foreign matters other than fuel from entering the fuel pump 20.

  FIG. 2 is a view of the fuel pump 20 and the fuel filter 50 as viewed from the bottom side of the fuel tank 2. The fuel filter 50 is bent along the outer periphery of the fuel tank 2 so as to surround the fuel pump 20. The fuel filter 50 is locked by the three locking walls 24. The locking wall 24 is fixed to an arm 22 that extends from the fuel pump 20 toward the reserve cup 30. The arm 22 is fixed to the upper end of the fuel pump 20. The locking wall 24 extends from the arm 22 toward the bottom of the fuel tank 2 in parallel with the Z-axis direction. The locking wall 24 has a rectangular flat plate shape. The three locking walls 24 are arranged at intervals along the outer periphery of the fuel pump 20.

  Next, the fuel filter 50 will be described. FIG. 3 is a perspective view showing a state before the fuel filter 50 is assembled as a part of the fuel supply device 10. 4 is a rear view showing a state before the fuel filter 50 is assembled as a part of the fuel supply device 10, and is a view showing a surface when the surface of the fuel filter 50 shown in FIG. . The fuel filter 50 before assembly is not bent and has a flat plate shape. The fuel filter 50 includes a pair of filter members 54 and 54 and a skeleton 76 (see FIG. 5). The pair of filter members 54, 54 are integrally configured, have the same shape and the same structure. FIG. 6 shows an exploded perspective view of the pair of filter members 54, 54. The filter member 54 includes a plurality of non-woven fabrics 72 and a protective sheet 74. The nonwoven fabric 72 is a nonwoven fabric of a material that can be welded (for example, polyamide, polypropylene). The nonwoven fabric 72 has a rectangular thin sheet shape. In the filter member 54, a plurality of non-woven fabrics 72 having the same configuration are overlapped. The outermost nonwoven fabric 72 is covered with a protective sheet 74. The protective sheet 74 is a thin film of a weldable material (for example, polyamide or polypropylene). The protective sheet 74 has a thin sheet shape having the same dimensions as the nonwoven fabric 72. The protective sheet 74 prevents the nonwoven fabric 72 from being exposed. The pair of filter members 54, 54 are produced by overlapping a plurality of nonwoven fabrics 72 and the outermost protective sheet 74 and bending them in half.

  More specifically, the plurality of non-woven fabrics 72 and the protective sheet 74 are overlapped and bent with the skeleton 76 interposed therebetween, whereby the pair of filter members 54 and 54 are arranged to face each other. The outer peripheral edges of the pair of filter members 54 and 54 are closed by welding and formed in a bag shape. The plurality of nonwoven fabrics 72 and the protective sheet 74 are overlapped in the Y′-axis direction. Hereinafter, the welded portion on the outer peripheral edge is referred to as “welded portion 56”. Further, the pair of filter members 54, 54 are welded downward in the Z-axis direction from a welded portion 56 on the outer peripheral edge located on the set plate 16 side (that is, the upper end) of the filter member 54. Hereinafter, the welded portion extending in the Z-axis direction is referred to as “welded portion 58”. When viewed along the Z-axis direction, in the portion where the welded portion 58 is formed, the pair of filter members 54, 54 has three compartments 51 A, 51 B, 51 C in a direction perpendicular to the depth direction of the fuel tank 2. It is divided into.

  Two welds 58 are arranged in the fuel filter 50. The two welded portions 58 are arranged apart from each other in the X′-axis direction (that is, the direction perpendicular to the depth direction of the fuel tank 2 (that is, the circumferential direction of the fuel tank 2)). The welded portion 58 extends to the middle position of the fuel filter 50 in the Z-axis direction. Each welded portion 58 is divided into two at the center in the X′-axis direction by a slit 59 extending in the Z-axis direction. As a result, the three sections 51A, 51B, 51C are separated from each other.

  The three sections 51A, 51B, 51C are arranged adjacent to each other. Both ends in the X′-axis direction of the section 51 </ b> A are closed by a welded portion 56 and a welded portion 58. Similarly, both ends in the X′-axis direction of the section 51 </ b> B are closed by the welded portion 58 and the welded portion 58, and both ends in the X′-axis direction of the section 51 </ b> C are closed by the welded portion 58 and the welded portion 56. . One end (that is, the upper end) of each section 51A, 51B, 51C in the Z-axis direction is closed by a welded portion 56. In each of the compartments 51A, 51B, 51C, a pair of filter members 54, 54 have a pair of gaps positioned at the other end in the Z-axis direction of the compartments 51A, 51B, 51C (ie, the bottom end of the fuel tank 2). It communicates with the gap between the filter members 54, 54.

  A gap between the pair of filter members 54 and 54 communicates from one end to the other end of the fuel filter 50 in the X′-axis direction at a portion located on the other end side in the Z-axis direction of the three sections 51A, 51B, and 51C. The communication section 51D is disposed. Hereinafter, when the pair of filter members 54 and 54 are viewed along the X′-axis direction, a portion where the gap between the pair of filter members 54 and 54 communicates from one end to the other end of the fuel filter 50 is referred to as “communication”. A part divided by three sections 51A, 51B, 51C is called a "part CP".

  Next, the skeleton 76 sandwiched between the pair of filter members 54 and 54 will be described with reference to FIG. The skeleton 76 is used to maintain the shape of the pair of filter members 54, 54 and to secure a gap between the pair of filter members 54, 54. The skeleton 76 is made of resin. The skeleton 76 includes a longitudinal bone 76a disposed parallel to the Z-axis direction, and a lateral bone 76b disposed in a vertical direction (that is, the X′-axis direction) from the longitudinal bone 76a (in FIG. 5, some lateral bones are shown). 76b is a reference numeral). In a portion sandwiched between the filter members 54 of the communication section 51D of the communication portion CP, the lateral bone 76b extends from one end of the fuel filter 50 to the other end in the X′-axis direction. Further, the longitudinal bone 76a extends in the Z-axis direction from the communication section 51D toward the three sections 51A, 51B, 51C. Further, the skeleton 76 is provided with a protruding portion 76c protruding toward each of the pair of filter members 54, 54 at a position where the vertical bone 76a and the vertical bone 76a intersect. Thereby, a clearance gap is formed between a pair of filter members 54 and 54 in each division 51A, 51B, 51C, 51D.

  A suction pipe 62 that communicates with the suction port of the fuel pump 20 is attached to the skeleton 76. One end of the suction pipe 62 is fixed to the bottom end of the fuel tank 2 of the skeleton 76, while the other end of the suction pipe 62 holds the holder 60 that covers the bottom end of the fuel tank 2 of the fuel pump 20. Have.

  When the fuel filter 50 is assembled to the fuel supply device 10, the fuel filter 50 is bent from the flat plate shape shown in FIG. 3 to the shape shown in FIG. 7. FIG. 7 is a diagram viewed from above in the Z-axis direction. The fuel filter 50 is bent at a right angle along the Z-axis direction by the slit 59. As a result, in the sections 51A and 51C and the communication section 51D positioned below the Z-axis direction, the direction in which the nonwoven fabric 72 overlaps is the X-axis direction, and in the section 51B and the communication section 51D positioned below the Z-axis direction, the nonwoven fabric The direction in which 72 overlaps is the Y-axis direction. Since the filter member 54 is cut off at the slit 59, even if the partition portion DP is bent by the slit 59, a difference in line length due to the bending does not occur in the filter member 54. Thereby, it can prevent that reaction force generate | occur | produces with respect to the force bent to a pair of filter members 54 and 54 in division part DP. Thereby, the fuel filter 50 can be easily maintained in a bent state.

  In the pair of filter members 54, 54, a plurality of non-woven fabrics 72 and a protective sheet 74 covering them are overlapped. For this reason, if it is going to bend in the position where the welding part 58 and the slit 59 are not arrange | positioned, the line length difference of the inner side and outer side in a bending position will become large with the thickness of the fuel filter 50. FIG. For this reason, reaction force with respect to the force for bending the fuel filter 50 is generated in the non-woven fabric 72 and the protective sheet 74 near the inner side and the non-woven fabric 72 and the protective sheet 74 near the outer side, and the fuel filter 50 can be maintained in the folded state. difficult. In the fuel filter 50, this situation can be avoided.

  Further, in the portion where the slit 59 is formed, the skeleton 76 is shorter in the Z-axis direction than the portion arranged in the sections 51A, 51B, 51C. For this reason, the skeleton 76 can be easily bent.

  Further, the slit 59 reaches the welded portion 56. As a result, the welded portion 56 can be easily bent. This configuration is an example of a configuration in which “the slit and the notch are continuous”. That is, the portion of the slit 59 that is located at the welded portion 58 is an example of “slit”, and the portion that is located at the welded portion 56 is an example of “notch”.

  As shown in FIG. 1, when the fuel pump 20 is driven, the fuel in the reserve cup 30 passes through the gap between the pair of filter members 54, 54 of the fuel filter 50 and enters the fuel pump 20 from the suction pipe 62. Inhaled. The fuel pump 20 boosts the sucked fuel and supplies it to the engine from the discharge port 12. The fuel passes through one of the filter members 54 of the sections 51A, 51B, 51C, 51D of the fuel filter 50 and reaches the gap between the pair of filter members 54, 54. The fuel that has passed through the filter members 54 in the compartments 51A, 51B, 51C flows to the gap between the pair of filter members 54, 54 in the communication section 51D, and further, the suction pipe passes through the gap between the pair of filter members 54, 54 in the communication section 51D. It flows toward 62. Since the suction pipe 62 communicates with the gap between the pair of filter members 54, 54, the fuel in the gap between the pair of filter members 54, 54 passes through the suction pipe 62 and reaches the fuel pump 20. The communication section 51D is provided at the lower end of each section 51A, 51B, 51C. For this reason, the fuel that has flowed into each of the sections 51A, 51B, 51C tends to smoothly flow into the communication section 51D.

  By bending the fuel filter 50 along the outer periphery of the fuel pump 20, the outer dimensions of the fuel supply device 10 can be reduced. As a result, the operation of arranging the fuel supply device 10 in the fuel tank 2 through the opening 2a of the fuel tank 2 can be facilitated.

  As is clear from the above embodiment, the Z-axis direction is an example of the “first direction”, and in the state of FIGS. 3 and 4, the X′-axis direction is an example of the “second direction”. 2 and 7, in the sections 51A and 51C and the communication section 51D located below the Z-axis direction, the Y-axis direction is an example of the “second direction”, and the section 51B and the Z-axis direction below In the communication section 51D located at, the X-axis direction is an example of the “second direction”.

(Second embodiment)
Differences from the first embodiment will be described. FIG. 8 shows a rear view of the fuel supply device 10 of the second embodiment before the fuel filter 250 is bent. In the fuel filter 250, the welded portion 258 parallel to the Z-axis direction is disposed at the center portion of the fuel filter 250 in the Z-axis direction and does not reach both ends in the Z-axis direction. For this reason, the fuel filter 250 has communication portions CP having communication sections 251D and 251E communicating from one end to the other end in the X′-axis direction at both ends in the Z-axis direction. The communication sections 251D and 251E have the same configuration as the communication section 51D. A partition portion DP having three partitions 251A, 251B, and 251C divided by the welded portion 258 is disposed between the communication portions CP. In the sections 251A, 251B, and 251C, the gap between the pair of filter members 54 and 54 communicates with the gap between the pair of filter members 54 and 54 in the communication sections 251D and 251E.

  Each welded portion 258 is divided by a slit 259 parallel to the Z-axis direction. In other words, the welded portion 258 that closes the edges of the adjacent partitions 251A and 251B is separated by the slit 259 into the partition 251A side and the partition 251B side. The same applies to the welded portion 258 that closes the edges of the adjacent sections 251B and 251C. In the modification, the welded portion 258 that closes the edges of the adjacent sections 251A and 251B is separated into the section 251A side and the section 251B side by an opening. That is, the welded portion 258 that closes the edge of the partition 251A and the welded portion 258 that closes the edge of the partition 251B may be spaced apart in the X′-axis direction.

  A welded portion 256 that closes the outer peripheral edge of the fuel filter 250 is provided with a notch 256 a on the extended line of the slit 259. The notch 256 a has a V shape, and the center in the X′-axis direction is disposed on the extension line of the slit 259. Thereby, when the fuel filter 250 is bent along the slit 259, the welded portion 256 can be bent smoothly.

  As mentioned above, although embodiment of this invention was described in detail, these are only illustrations and do not limit a claim. The technology described in the claims includes various modifications and changes of the specific examples illustrated above.

  For example, in the fuel filter 50 of the first embodiment, in the partition portion DP, the adjacent sections 51A and 51B and the adjacent sections 51B and 51C are in contact with each other at the weld portion 58. However, as shown in FIG. 9, in the partition portion DP, the adjacent sections 51A and 51B may be separated from each other. That is, the welded portion 58a that closes the edge in the X′-axis direction of the section 51A and the welded portion 58b that closes the edge of the section 51B in the direction perpendicular to the depth direction of the fuel tank 2 may be separated from each other. Good. The same applies to the adjacent sections 51B and 51C.

  Furthermore, as shown in FIG. 10, the welded portion 58a and the welded portion 58b may be inclined with respect to the Z-axis direction.

  Moreover, in said Example, a pair of filter members 54 and 54 are produced by bending the some nonwoven fabric 72 and the protection sheet 74 in half. However, each of the pair of filter members 54 and 54 may be formed by stacking a plurality of non-woven fabrics and a protective sheet and closing the outer peripheral edge by welding or the like over the entire circumference.

  In the above embodiment, the filter members 54 and 55 include a plurality of nonwoven fabrics 72 and a protective sheet 74. That is, in the above embodiment, the nonwoven fabric 72 and the protective sheet 74 are examples of “filter material”. However, the filter members 54 and 55 do not need to include the protective sheet 74 while including the plurality of nonwoven fabrics 72. In this case, the nonwoven fabric 72 is an example of a “filter medium”.

  The technical elements described in this specification or the drawings exhibit technical usefulness alone or in various combinations, and are not limited to the combinations described in the claims at the time of filing. In addition, the technology illustrated in the present specification or the drawings achieves a plurality of objects at the same time, and has technical utility by achieving one of the objects.

2: Fuel tank 2a: Opening 10: Fuel supply device 16: Set plate 20: Fuel pump 24: Locking wall 30: Reserve cup 50: Fuel filters 51A, 51B, 51C: Section 51D: Communication section 54: Filter member 56, 58: welding part 59: slit 60: holder 62: suction pipe 72: nonwoven fabric 74: protective sheet 76: skeleton 250: fuel filter 251A: section 251B: section 251C: section 251D: communication section 251E: communication section 254: fuel filter 256a : Notch 258: Welding part 259: Slit CP: Communication part DP: Partition part

Claims (6)

A fuel filter that is disposed in a fuel tank and removes foreign matter from fuel sucked into a fuel pump,
A pair of filter members that are opposed to each other and whose outer peripheral edge is closed,
In each filter member, a plurality of sheet-shaped filter media are stacked,
When the filter member is viewed along the first direction orthogonal to the direction in which the filter media overlap, in the direction in which the filter media overlap and in the second direction orthogonal to the first direction, the pair of filter members from one end of the filter member to the other end A communication portion in which the gap communicates, and a partition portion in which the gap between the pair of filter members in the second direction is divided into a plurality of partitions,
The gap between each pair of filter members of the plurality of compartments communicates with the gap between the pair of filter members in the communication portion adjacent in the first direction.
The edges in the second direction of each of the plurality of compartments are closed,
A fuel filter in which edges of sections adjacent to each other in the second direction are separated from each other. The sections adjacent in the second direction are adjacent to each other,
2. The fuel filter according to claim 1, wherein end edges in a second direction of the plurality of sections are separated from each other by a slit extending in the first direction. The outer peripheral edges of the pair of filter members are closed by welding,
The fuel filter according to claim 2, wherein a notch is disposed on an extension line of the slit at a welded portion of the outer peripheral edge of the pair of filter members.   The fuel filter according to claim 3, wherein the slit and the notch are continuous.   The fuel filter according to any one of claims 1 to 4, wherein the communication portion is disposed at an end portion in the first direction. A fuel pump;
A reserve cup that houses the fuel pump;
A fuel filter that is bent along the outer periphery of the fuel pump and is housed in a reserve cup;
The fuel filter includes a pair of filter members that face each other and whose outer periphery is closed,
The suction port of the fuel pump communicates with the gap between the pair of filter members,
Each filter member In each filter member, a plurality of sheet-like filter media are stacked,
When the filter member is viewed along the height direction of the fuel pump, in the outer peripheral direction of the fuel pump of the filter member, a communication portion in which a gap between the pair of filter members communicates from one end to the other end of the filter member; A partition portion in which the gap between the pair of filter members is divided into a plurality of partitions in the outer peripheral direction of the fuel pump,
The gap between each pair of filter members in the plurality of sections communicates with the gap between the pair of filter members in the communication portion adjacent in the height direction of the fuel pump.
The peripheral edge of each fuel pump in the plurality of compartments is closed,
The edges of the sections adjacent to the outer periphery of the fuel pump are separated from each other,
The fuel supply device, wherein the fuel filter is bent between adjacent sections.

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