Claims:We Claim:

1. An ECU mounting bracket assembly comprising:
a panel wheel house having top portion and bottom portion;
an ECU mounting bracket secured to the panel wheel house, the ECU mounting bracket having top portion and three legs extending downwards from the three sides of the top portion, the ECU mounting bracket having,
a first set of holes adapted for mounting ECU of a diesel vehicle;
a second set of holes adapted for mounting ECU of a CNG vehicle, wherein one hole of the first set of holes and the second set of holes is common for mounting the ECU of the diesel vehicle and the ECU of the CNG vehicle,
at least one hole adapted for mounting a fuse box;
at least one slot configured on one leg of the three legs sides for wiring harness; and
at least one slot for PLP and at least one hole for PLP,
wherein for mounting any one of the ECU of the diesel vehicle and the ECU of the CNG vehicle on the ECU mounting bracket, the common hole of the first set of holes and the second set of holes is selected first which then allows easy locating of remaining holes for mounting the respective ECU thereby eliminating chances of wrong fitment.

2. The ECU mounting bracket assembly as claimed in claim 1, wherein gussets/bird breaks are provided on the legs of bracket to provide stiffness to bracket.

3. The ECU mounting bracket assembly as claimed in claim 1, wherein a cut-out is provided on the top portion of the bracket which helps to reduce the weight of bracket and improves the stiffness.

4. The ECU mounting bracket assembly as claimed in claim 1, wherein the ECU mounting bracket is mounted on the panel wheel house bottom portion by spot welding.

5. The ECU mounting bracket assembly as claimed in claim 1, wherein the panel wheel house top portion is mounted on the panel wheel house bottom portion by spot welding.

, Description:Field of invention

The present invention relates to ECU (Electronic Control Unit) mounting bracket, and more particularly, the present invention relates to the ECU mounting bracket with wheel house assembly for different kind of ECU mounting in different vehicle variants like CNG, Diesel, and for fuse box mounting.

Background of the invention

Generally, ECU (Electronic Control Unit) mounting brackets are inside cabin of a vehicle and include lot of loose parts and hardware. Specifically, a separate bracket is used for mounting different type of ECU in different vehicle models. Hence, there is increase in number of variants of the ECU mounting brackets.

Specifically, the US Patent 8020830 discloses mounting assemblies for securing electronic control unit and vehicles including same. The mounting assembly includes a bracket which can be attached to the vehicle's frame.

Another US Patent discloses 8437134 a housing structure for vehicle electronic control unit. The housing structure includes an ECU case, a mounting bracket, and a seal ring. The ECU case is for housing a vehicle ECU and includes a ventilation opening.

However, the ECU mounting brackets of the prior art are made vehicle specific and cannot be used if needs to be used another type of vehicle. Further, separate brackets have to be used for fuse box mounting in the vehicle cabin.

Accordingly, there exists a need to provide an ECU mounting bracket assembly which overcomes above-mentioned drawbacks.

Objects of the present invention

An object of the present is to provide ECU mounting bracket which is integrated with wheel house/body structure to avoid unwanted contact and loosening of wires.

Another object of the present invention is to provide a common bracket for different ECU variants and to accommodate the fuse box in the same bracket.

Summary of the invention

Accordingly, the present invention provides an ECU mounting bracket assembly. The ECU mounting bracket assembly comprises a panel wheel house having top portion and bottom portion. The ECU mounting bracket assembly further comprises an ECU mounting bracket secured to the panel wheel house. The ECU mounting bracket includes a top portion and three legs extending downwards from the three sides of the top portion. The ECU mounting bracket further comprises a first set of holes adapted for mounting ECU of a diesel vehicle, and a second set of holes adapted for mounting ECU of a CNG vehicle. Specifically, one hole of the first set of holes and the second set of holes is common for mounting the ECU of the diesel vehicle and the ECU of the CNG vehicle.

The ECU mounting bracket assembly furthermore comprises at least one hole adapted for mounting a fuse box, at least one slot configured on one leg of the three legs sides for wiring harness, and at least one slot for PLP and at least one hole for PLP.

Wherein for mounting any one of the ECU of the diesel vehicle and the ECU of the CNG vehicle on the ECU mounting bracket, the common hole of the first set of holes and the second set of holes is selected first, which then allows easy locating of remaining holes for mounting the respective ECU thereby eliminating chances of wrong fitment.

Brief description of the figures

The objectives and features of the present invention will be more clearly understood from the following description of the invention taken in conjunction with the accompanying drawings, wherein,

Figure 1 shows a schematic drawing of an ECU mounting bracket assembly, in accordance with the preset invention;

Figure 2 shows a sectional view of the ECU mounting bracket assembly of figure 1;

Figure 3 shows an ECU mounting bracket of the ECU mounting bracket assembly of figure 1;

Figure 4 shows exploded view of assembly of the ECU on wheel house assembly;

Figure 5 shows a stress analysis chart of the ECU mounitng bracket (20); and

Figure 6 shows modal analysis of untrimmed BIW the ECU mounting bracket (20).

Detailed description of the present invention:

The foregoing objects of the present invention are accomplished and the problems and shortcomings associated with the prior art, techniques and approaches are overcome by the present invention as described below in the preferred embodiment.

For the better understanding of this invention, reference would now be made to the embodiment illustrated in greater depth in the accompanying figures and description herein below, further, in the following figures, the same reference numerals are used to identify the same components in various views/figures.

Referring now to figure 1A to 4, there is shown an ECU mounting bracket assembly (100) (hereinafter ‘the assembly (100)’) for use in vehicle cabin for different kind of ECU mountings in different variants like CNG, Diesel, and for fuse box mounting. The assembly (100) comprises a panel wheel house (10) and
an ECU mounting bracket (20).

The panel wheel house (10) comprises a top portion (12) and a bottom portion (14) as shown in figure 1. In an embodiment, the top portion (12) is mounted on the panel wheel house bottom portion (14) by spot welding.

The ECU mounting bracket (20) is secured to the panel wheel house (10). In an embodiment, the ECU mounting bracket (20) is spot welded to bottom portion of the panel wheel house (10) as shown in figure 2.

The ECU mounting bracket (20) as shown in figure 3, comprises a top portion (22) and three legs (24) extending downwards from the three sides of the top portion (22). The ECU mounting bracket (20) further comprises a first set of holes (26) adapted for mounting ECU of a diesel vehicle. For purpose of explanation, the first set of holes (26) includes at least four holes. The ECU mounting bracket (20) furthermore comprises a second set of holes (28) adapted for mounting ECU of a CNG vehicle. For purpose of explanation, the second set of holes (26) includes at least four holes.

In an embodiment, the M6 Nut (20a) are projection welded to ECU Bracket (20).

In preferred embodiment, one hole (27) of the first set of holes (26) and the second set of holes (28) is common for mounting the ECU of the diesel vehicle and the ECU of the CNG vehicle. While mounting any one of the ECU of the diesel vehicle and the ECU of the CNG vehicle on the ECU mounting bracket (20), the common hole of the first set of holes (26) and the second set of holes (28) is selected first. This allows easy locating of remaining holes for mounting the respective ECU thereby eliminating chances of wrong fitment.

It is evident to that skilled art that ECU of the diesel vehicle and the ECU of the CNG vehicle to be configured on the ECU mounting bracket (20) are described herein for the purpose of explanation only and ECU mounting bracket (20) can be used for mounting other variants of the vehicle also.

The ECU mounting bracket (20) also comprises at least one hole (30) adapted for mounting a fuse box, at least one slot (32) configured on one leg (25) of the three legs sides for wiring harness, at least one slot (33) for mounting wiring clip, and at least one slot (34a) for PLP and at least one hole (34b) for PLP.

In an embodiment, the ECU mounting bracket (20) comprises gussets/bird breaks (not shown) provided on the legs (25) to provide stiffness to bracket

Further, a cut-out (36) is provided on the top portion (22) of the bracket (20) which helps to reduce the weight of bracket, improves the stiffness, or to improve part frequency.

Figure 4 shows an exploded view of assembly of the ECU (50) on the panel wheel house (10). In an embodiment, M6 bolts (52) are used for connecting the ECU (50) and the bracket (20) and M6 bolts (62) are used for connecting fuse box (60) and the bracket (20).

Following charts shows strength analysis of the ECU mounting bracket (20) of the present invention.

Figure 5 shows a stress analysis chart of the ECU mounitng bracket (20).

Further , follwing charts shows ECU mouning bracke (20) modal analysis.

Figure 6 shows modal analysis of untrimmed BIW the ECU mounting bracket (20).

Advantages of the invention

1. The present invention provides a single variant of wheel house assembly with ECU mounting bracket for all variant of vehicle models which leads no rework or rejection and hence reduction in time, low failure and reduction in efforts.
2. The assembly (100) of the present invention is an integrated design of the ECU mounting bracket on wheel house assembly which leads no separate mounting arrangement of the bracket and hence saving in time low failure & reduction in efforts which makes ease of operation.
3. The assembly (100) is very simple in construction.
4. The assembly (100) is integrated design for mounting of the ECU and as well as Fuse box on wheel house assembly as single piece, which leads to reduction in number of parts and components.
5. The assembly (100) saves space as no different mounting bracket are required for different ECU’s or models which leads to space managements and inventory control.
6. The assembly (100) use of resources such as: raw materials, fuel, power, consumables efficiently.
7. The assembly (100) is durable due to compact features and high stiffness, the strength of component is much below than the yield strength of material. This improves fatigue life to meet the design cycles for the ECU mounting bracket.

The foregoing objects of the invention are accomplished and the problems and shortcomings associated with prior art techniques and approaches are overcome by the present invention described in the present embodiment. Detailed descriptions of the preferred embodiment are provided herein; however, it is to be understood that the present invention may be embodied in various forms. Therefore, specific details disclosed herein are not to be interpreted as limiting, but rather as a basis for the claims and as a representative basis for teaching one skilled in the art to employ the present invention in virtually any appropriately detailed system, structure, or matter. The embodiments of the invention as described above and the methods disclosed herein will suggest further modification and alterations to those skilled in the art. Such further modifications and alterations may be made without departing from the spirit and scope of the invention.