Abstract
The invention relates to a device (10) for fastening a component (1) to a wall (101) of a fuel tank (100). According to the invention, such a device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) comprises an anchoring element (3) that is able to be secured to said wall (101) of the fuel tank (100); a connecting element (2) comprising a first end (20) and a second end (21); a first means (4) for connecting said first end (20) to said anchoring element (3) and a second means (5) for connecting said second end (21) to said component (1).
Claims
1. A device for fastening a component to a wall of a fuel tank having a thickness, comprising: an anchoring element suitable for being secured to said wall of the fuel tank and for penetrating at least partially into said thickness, a connecting element comprising a first end and a second end, a first connection means for connecting said first end to said anchoring element, and a second connection means for connecting said second end to said component.
2. The device for fastening a component to a wall of a fuel tank according to claim 1, wherein said anchoring element is a square, polygonal, rectangular or cylindrical ring.
3. A device for fastening a component to a wall of a fuel tank according to claim 1, wherein said first connection means is selected from the group consisting of a hoop, a rivet, a thread, a screw, a clip, a dovetail assembly, a straight shank assembly, a relief assembly, and a undercut assembly.
4. A device for fastening a component to a wall of a fuel tank according to claim 1, wherein said second connection means is selected from the group consisting of a hoop, a rivet, a thread, a screw, a clip, a dovetail assembly, a straight shank assembly, a relief assembly, and a undercut assembly.
5. A device for fastening a component to a wall of a fuel tank according to claim 1, wherein said anchoring element comprises a plastic material, wherein said plastic material comprises a polyolefin base.
6. A device for fastening a component to a wall of a fuel tank according to claim 1, wherein said connecting element comprises a plastic material, said plastic material based on a material selected from the group consisting of polyoxymethylene, polyphenylene sulfide, polyamide, polyphthalamide, polyetheretherketone, polyamide imide, polyaryletherketone, polyketone and polyolefin.
7. A device for fastening a component to a wall of a fuel tank according to claim 1, wherein said anchoring element comprises a part capable of being fused to said wall of said fuel tank.
8. A device for fastening a component to a wall of a fuel tank according to claim 1, wherein said wall of said fuel tank has a fuel-impermeable layer and wherein said interface element is not in contact with said layer.
9. A fuel tank comprising a device for fastening a component to a wall of a fuel tank according to claim 1.
10. The fuel tank according to the claim 9, wherein the anchoring element is secured to said wall of the fuel tank without passing through it.
11. The fuel tank according to claim 9, wherein said wall of the fuel tank comprises a layer made of a polyolefin-based material into which the anchoring element penetrates.
12. A method of manufacturing a fuel tank comprising a device according to claim 1, the method comprising at least the following steps: Providing a wall of a fuel tank having a thickness; Securing said anchoring element to said wall by causing it to penetrate at least partially into said thickness.
13. A device for fastening a component to a wall of a fuel tank according to claim 1, wherein said first connection means is selected from the group consisting of a weld, a glue, a mechanical assembly with a seal, and an overmold.
14. A device for fastening a component to a wall of a fuel tank according to claim 1, wherein said first connection means is an overmolding.
15. A device for fastening a component to a wall of a fuel tank according to claim 1, wherein said first connection means is an overmolding by bi-injection.
16. A device for fastening a component to a wall of a fuel tank according to claim 1, wherein said second connection means is selected from the group consisting of a weld, a glue, a mechanical assembly with a seal, and an overmold.
17. A device for fastening a component to a wall of a fuel tank according to claim 1, wherein said second connection means is a weld.
18. A device for fastening a component to a wall of a fuel tank according to claim 1, wherein said anchoring element comprises a plastic material, wherein said plastic material is polyethylene.
19. A device for fastening a component to a wall of a fuel tank according to claim 1, wherein said anchoring element comprises a plastic material, wherein said plastic material is maleic anhydride grafted polyethylene.
Description
LIST OF FIGURES
[0078] Other features and advantages of the invention will become clear on reading the following description of a preferred embodiment, given merely as an illustrative and non-limiting example, and the appended drawings, in which:
[0079] FIG. 1a shows a device for fastening a component to a wall of a fuel tank according to the invention.
[0080] FIG. 1b shows an enlargement of a device for fastening a component to a wall of a fuel tank according to the invention.
[0081] FIG. 2 shows a cross-section of a device for fastening a component to a wall of a fuel tank according to the invention shown in FIG. 1a.
[0082] FIG. 3 shows a cross-section of the device for fastening a component to a wall of a fuel tank according to the invention in a second particular embodiment, in which the device for fastening a component to a wall of a fuel tank comprises a triangular anchoring element, partially anchored in the wall of a fuel tank.
[0083] FIG. 4 shows a cross-section of the device for fastening a component to a wall of a fuel tank according to the invention in a third particular embodiment, in which said device for fastening a component to a wall of a fuel tank comprises a triangular anchoring element, completely anchored in the wall of a fuel tank.
[0084] FIG. 5 shows a cross-section, in a fourth particular embodiment, of the device for fastening a component to a wall of a fuel tank according to the invention, in which the part of the anchoring element comprising the larger dimensions has a protuberance allowing a new melting point of the anchoring element to a wall of a fuel tank.
[0085] FIG. 6 depicts a cross-section of the device for fastening a component to a wall of a fuel tank according to the invention in a fifth particular embodiment, in which said device for fastening a component to a wall of a fuel tank comprises a connecting element, comprising a first end defining a first connection means by a triangular core surrounded by an anchoring element.
DESCRIPTION OF AT LEAST ONE EMBODIMENT OF THE INVENTION
[0086] Referring to FIG. 1a, an embodiment of a device for fastening a component to a wall (101) of a fuel tank (100) according to the invention is presented. The device for fastening a component to a wall (101) of a fuel tank (100) comprises a connecting element (2) capable of being connected to a component, said component not being shown in FIG. 1a.
[0087] FIG. 1b shows an enlargement of the embodiment of a device (10) for fastening a component to a wall (101) of a fuel tank (100) according to the invention illustrated in FIG. 1a. The device for fastening a component to a wall (101) of a fuel tank (100) comprises a connecting element (2) comprising a second connection means (5) suitable for connecting a component to a second end (21), said component not being shown in FIG. 1b.
[0088] FIG. 2 shows a cross-section of an embodiment of a device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) according to the invention illustrated in FIG. 1. The fastening device (10) comprises an anchoring element (3) suitable for being secured to said wall (101) of the fuel tank (100), as well as a connecting element (2) comprising a first end (20) defining a first connection means (4) to said anchoring element, said connection means (4) being an overmolding by bi-injection. The device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) comprises a second connection means (5) connecting the second end (21) of said connecting element (2) to said component (1), said second connection means (5) being a weld. The device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) also comprises an anchoring element (3) in which said anchoring element (3) has a portion fused (30) to said wall (101) of said tank (100); said portion fused (30) to said wall (101) of said tank (100) is a portion formed by at least one end of a portion of the anchoring element (3) having the largest dimension of said anchoring element (3). In a particular embodiment illustrated in FIG. 2, said anchoring element (3) of said device has two fusion points (30) with said wall (101) of said tank (100). The wall (101) of a fuel tank (100) also has a thickness (102) in that said anchoring element (3) penetrates at least partially into said thickness (102). The anchoring element (3) of the device (10) for fastening a component (1) to a wall of a fuel tank (100) is not in contact with the fuel-impermeable layer (103) of a fuel tank (100).
[0089] FIG. 3 shows a cross-section of the device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) according to the invention, in a second particular embodiment. It is observed that the device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) comprises an anchoring element (3) suitable for being secured to said wall (101) of the fuel tank (100), as well as a connecting element (2) comprising a first end (20) defining a first connection means (4) to said anchoring element, said connection means (4) being an overmolding by bi-injection. The device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) comprises a second connection means (5) connecting the second end (21) of said connecting element (2) to said component (1), said second connection means (5) being a weld. The device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) also comprises an anchoring element (3) in which said anchoring element (3) has a portion fused (30) to said wall (101) of said tank (100); said portion fused (30) to said wall (101) of said tank (100) is a portion formed by at least one end of a portion of the anchoring element (3) having the largest dimension of said anchoring element (3). In the particular embodiment illustrated in FIG. 3, said anchoring element (3) of said device has two fusion points (30) with said wall (101) of said tank (100). The wall (101) of a fuel tank (100) also has a thickness (102) in that said anchoring element (3) penetrates at least partially into said thickness (102). The anchoring element (3) of the device (10) for fastening a component (1) to a wall of a fuel tank (100) is not in contact with the fuel-impermeable layer (103) of a fuel tank (100). In addition, in this particular embodiment, the anchoring element (3) is triangular in shape. The triangular shape of the anchoring element (3) of the device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) is given by way of simple illustrative and non-limiting example. Indeed, the anchoring element (3) according to the invention can assume inter alia a trapezoidal, spherical, helical, cubic, rectangular or any other regular or irregular geometric shape.
[0090] FIG. 4 illustrates a cross-section of the device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) according to the invention, in a third particular embodiment. It is observed that the device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) comprises an anchoring element (3) suitable for being secured to said wall (101) of the fuel tank (100), as well as a connecting element (2) comprising a first end (20) defining a first connection means (4) to said anchoring element, said connection means (4) being an overmolding by bi-injection. The device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) comprises a second connection means (5) connecting the second end (21) of said connecting element (2) to said component (1), said second connection means (5) being a weld. The device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) also comprises an anchoring element (3) in which said anchoring element (3) has a portion fused (30) to said wall (101) of said tank (100); said portion fused (30) to said wall (101) of said tank (100) is a portion formed by at least one end of a portion of the anchoring element (3) having the largest dimension of said anchoring element (3). In the particular embodiment illustrated in FIG. 4, said anchoring element (3) of said device has two fusion points (30) with said wall (101) of said tank (100). The wall (101) of a fuel tank (100) also has a thickness (102) in that said anchoring element (3) penetrates completely into said thickness (102). The anchoring element (3) of the device (10) for fastening a component (1) to a wall of a fuel tank (100) is not in contact with the fuel-impermeable layer (103) of a fuel tank (100). In addition, in this embodiment, the anchoring element (3) is triangular in shape. The triangular shape of the anchoring element (3) of the device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) is given by way of simple illustrative and non-limiting example. Indeed, the anchoring element (3) according to the invention can assume inter alia a trapezoidal, spherical, helical, cubic, rectangular or any other regular or irregular geometric shape.
[0091] FIG. 5 describes a cross-section of the device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) according to the invention, in a fourth particular embodiment. It is observed that the device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) comprises an anchoring element (3) to be secured to said wall (101) of the fuel tank (100), as well as a connecting element (2) comprising a first end (20) defining a first connection means (4) to said anchoring element, said connection means (4) being an overmolding by bi-injection. The device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) comprises a second connection means (5) connecting the second end (21) of said connecting element (2) to said component (1), said second connection means (5) being a weld. The device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) also comprises an anchoring element (3) in which said anchoring element (3) has a protuberance, in the lower part of said anchoring element (3), oriented toward the wall (102) of a fuel tank (100) allowing a new fusion point (30) of the anchoring element (3) to a wall (101) of a fuel tank (100), as well as an increase in the fuel leakage path reinforcing the low permeability of the assembly. The assembly is made up of the device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) and a fuel tank (100) comprising said device (10) for fastening a component (1). The device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) also comprises an anchoring element (3) in which said anchoring element (3) has a portion fused (30) to said wall (101) of said tank (100); said portion fused (30) to said wall (101) of said tank (100) is a portion formed by at least one end of a portion of the anchoring element (3) having the largest dimension of said anchoring element (3). In the particular embodiment illustrated in FIG. 5, said anchoring element (3) of said device has three fusion points (30) with said wall (101) of said tank (100). The wall (101) of a fuel tank (100) also has a thickness (102) in that said anchoring element (3) penetrates completely into said thickness (102). The anchoring element (3) of the device (10) for fastening a component (1) to a wall of a fuel tank (100) is not in contact with the fuel-impermeable layer (103) of a fuel tank (100). In addition, in this embodiment, the anchoring element (3) is triangular in shape. The triangular shape of the anchoring element (3) of the device (10) for fastening a component (1) to a wall (101) of a fuel tank (100) is given by way of simple illustrative and non-limiting example. Indeed, the anchoring element (3) according to the invention can assume inter alia a trapezoidal, spherical, helical, cubic, rectangular or any other regular or irregular geometric shape.
[0092] FIG. 6 shows another embodiment of the fastening device by a cross-section of the device (10) for fastening a component (1) according to the invention, in a fifth particular embodiment. It is observed that the device (10) for fastening a component (1) comprises an anchoring element (3), as well as a connecting element (2) comprising a first end (20) defining a first connection means (4) to said anchoring element, said connection means (4) being an overmolding by bi-injection. The device (10) for fastening a component (1) also comprises an anchoring element (3) in which said anchoring element (3) has a suitable for being fused portion (30); said portion suitable for being fused (30) is a portion formed by at least one end of a portion of the anchoring element (3) having the largest dimension of said anchoring element (3). In the particular embodiment illustrated in FIG. 6, said anchoring element (3) of said device has two fusion points (30). In addition, in this embodiment, the device (10) for fastening a component (1) comprises a connecting element (2) comprising a first end (20) defining a first connection means (4) by a triangular core surrounded by an anchoring element (3). The triangular shapes of the anchoring element (3) and of the first connection means (4) of the device (10) for fastening a component (1) are given by way of simple illustrative and non-limiting example; the anchoring element (3) and the first connection means (4) according to the invention can assume inter alia a trapezoidal, spherical, helical, cubic, rectangular or any other regular or irregular geometric shape.
