Abstract: The present subject matter disclosed herein relates to an engine mounting intermediate bracket (200) for improving NVH and strength performance. The 5 engine mounting intermediate bracket (200) has a vertical side (202a) and a horizontal side (202b). The vertical side (202a) has a first through hole (204a) defined at top vertex (209) and a first tapped hole (203a) provided adjacent to the through hole (204a), the tapped hole (203a) is provided in a boss (210a) and the horizontal side (202b) angularly connects with the base of the triangular shaped 10 vertical side (202a), the horizontal side (202b) has a second through hole (204b) and a third through hole (204c) wherein a second tapped hole (203b) is provided adjacent to the second through hole (204b) and a third tapped hole (203c) is provided adjacent to the third through hole (204c) and located ahead of the third through hole (204c).
Description:AN ENGINE MOUNTING INTERMEDIATE BRACKET
TECHNICAL FIELD
[0001] The present subject matter described herein relates to an engine mounting for a vehicle. The present invention is particularly related to an engine mounting intermediate bracket provided between the engine mount and a body panel of the vehicle for improving strength and overall vibrations in a vehicle cabin.
BACKGROUND
[0002] Background description includes information that may be useful in understanding the present subject matter. It is not an admission that any of the information provided herein is prior art or relevant to the presently claimed invention, or that any publication specifically or implicitly referenced is prior art.
[0003] Ref. Fig. 1a. A vehicle has a body panel (102) and an engine side part (103). A gap is maintained between the body panel (102) and the engine side part (103). This gap is filled by an engine mount (101) that connects or mount the body panel (102) to the engine side part (103).
[0004] Therefore the function of the engine mount (101) is to connect the body panel (102) to the engine side part (103) and avoid the vibrations that originate from the engine such that less vibrations are received in a vehicle cabin.
[0005] In the existing design, the body panel (102) has a transverse surface and an embossed horizontal surface. Further, the engine mount (101) has a plurality of flanges, where two flanges are mounted on the embossed horizontal surface and one flange is protruded upwards from the engine mount (101) and is mounted on the transverse surface of the body panel (102).
[0006] Also, in the existing design a new type of powertrain is introduced. In respect of the new powertrain, the engine has moved in a front direction in respect of a center of the vehicle because of which the mounting points on the engine have shifted due to which an offset is created.
[0007] The challenges that are faced in the existing design is that mounting of the new powertrain was fouling (104) in the vehicle platform as shown in Fig. 1b.
[0008] Further, the existing engine mounting concept cannot be used in this case in order to mount new powertrain in the existing vehicle platform.
[0009] It is therefore desirable to provide solution that can cater to the requirement of packaging both old as well new powertrain simultaneously in existing vehicle platform is required.
OBJECTS OF THE DISCLOSURE
[0010] It forms an object of the present disclosure to overcome the aforementioned and other drawbacks/limitations in the existing solutions available in the form of related prior arts.
[0011] It is a primary object of the present disclosure is to package multiple powertrains (old as well as new) in existing vehicle platform with minimum changes.
[0012] It is another object of the present disclosure to meet NVH and strength performance to endure the increased stresses ensuring minimum vibration transfer to a body panel.
[0013] It is another object of the present disclosure to reduce noise in vehicle cabin due to vibrations.
[0014] It is another object of the present disclosure to maintain adequate clearance with an engine mount insulator (main rubber).
[0015] It is another object of the present disclosure to provide a cost-effective solution to achieve the above objectives.
[0016] These and other objects and advantages of the present subject matter will be apparent to a person skilled in the art after consideration of the following detailed description taken into consideration with accompanying drawings in which preferred embodiments of the present subject matter are illustrated.
SUMMARY
[0017] A solution to one or more drawbacks of existing technology and additional advantages are provided through the present disclosure. Additional features and advantages are realized through the technicalities of the present disclosure. Other embodiments and aspects of the disclosure are described in detail herein and are considered to be a part of the claimed disclosure.
[0018] The present disclosure provides a solution in the form of an engine mounting intermediate bracket provided between an engine mount and a body panel of a vehicle for improving strength and NVH. The engine mounting intermediate bracket comprise a vertical side and a horizontal side which is angular to the vertical side, the vertical side and the horizontal side defines a L shape profile when view from front side of the vehicle. The vertical side defines a triangular shape profile where a first through hole is defined at top vertex to mount the engine mounting intermediate bracket with the body panel and a first tapped hole provided adjacent to the through hole, the tapped hole is provided in a boss and the horizontal side angularly connects with the base of the triangular shaped vertical side, the horizontal side defines a second through hole and a third through hole corresponding to base vertices of the triangular shaped vertical side, wherein a second tapped hole provided adjacent to the second through hole and located ahead of the second through hole, where a third tapped hole provided adjacent to the third through hole and located ahead of the third through hole.
[0019] In an aspect, a rib connects the first tapped hole and the third tapped hole and a rib connects the first through hole and the second through hole, the ribs are protruded forward toward the engine
[0020] In an aspect, a rib connects the second tapped hole and the third tapped hole, the rib defines a curved shape profile.
[0021] In an aspect, a cut out provided in between the second tapped hole and the third through hole, the cut out extend on the horizontal side and the vertical side.
[0022] In an aspect, the second tapped hole is provided in a boss to receive complete length of a mounting fastener.
[0023] In an aspect, the third tapped hole is provided in a boss to receive complete length of a mounting fastener, the third tapped hole is provided towards the front side of the vehicle.
[0024] In an aspect, the tapped holes are configured to receive the engine mount on the engine mounting intermediate bracket.
[0025] In an aspect, the through holes are provided to mount the engine mounting intermediate bracket on the side body panel.
[0026] In an aspect, the engine mounting intermediate bracket shifts a center point of the engine mount for efficient handling of Noise, vibration and Harshness (NVH) generated by the engine.
[0027] In an aspect, the engine mounting intermediate bracket is a ferrous casting bracket.
[0028] The foregoing summary is illustrative only and is not intended to be in any way limiting. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features will become apparent by reference to the drawings and the following detailed description.
BRIEF DESCRIPTION OF ACCOMPANYING DRAWINGS
[0029] It is to be noted, however, that the appended drawings illustrate only typical embodiments of the present subject matter and are therefore not to be considered for limiting of its scope, for the present disclosure may admit to other equally effective embodiments. The detailed description is described with reference to the accompanying figures. In the figures, a reference number identifies the figure in which the reference number first appears. The same numbers are used throughout the figures to reference like features and components. Some embodiments of system or methods or structure in accordance with embodiments of the present subject matter are now described, by way of example, and with reference to the accompanying figures, in which:
[0030] Fig. 1(a) and Fig. 1(b) illustrates an engine mounting connected to the body panel of a vehicle according to the prior art ;
[0031] Fig. 2a illustrates an engine mounting intermediate bracket connected to the engine mount and the body panel according to the present disclosure;
[0032] Fig. 2b illustrates the engine mounting intermediate bracket according to the present disclosure;
[0033] Fig. 2c illustrates a rib on the engine mounting intermediate bracket according to the present disclosure;
[0034] Fig. 2d illustrates a back side of the engine mounting intermediate bracket according to the present disclosure;
[0035] Fig. 3 illustrates an exploded view of the assembly of engine mounting intermediate bracket on the body panel of vehicle; and assembly of engine mount on engine mounting intermediate bracket according to the present disclosure.
[0036] The figures depict embodiments of the present subject matter for illustration only. A person skilled in the art will easily recognize from the following description that alternative embodiments of the structures and methods illustrated herein may be employed without departing from the principles of the disclosure described herein.
DETAILED DESCRIPTION OF INVENTION
[0037] The detailed description of various exemplary embodiments of the disclosure is described herein with reference to the accompanying drawings. It should be noted that the embodiments are described herein in such details as to communicate the disclosure. However, the amount of details provided herein is not intended to limit the anticipated variations of embodiments; on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the present disclosure as defined by the appended claims.
[0038] It is also to be understood that various arrangements may be devised that, although not explicitly described or shown herein, embody the principles of the present disclosure. Moreover, all statements herein reciting principles, aspects, and embodiments of the present disclosure, as well as specific examples, are intended to encompass equivalents thereof.
[0039] It should also be noted that in some alternative implementations, the functions/acts noted may occur out of the order noted in the figures. For example, two figures shown in succession may be executed concurrently or may sometimes be executed in the reverse order, depending upon the functionality/acts involved.
[0040] Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which example embodiments belong. It will be further understood that terms, e.g., those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
[0041] In the following detailed description of the embodiments of the disclosure, reference is made to the accompanying drawings that form a part hereof, and in which are shown by way of illustration of specific embodiments in which the disclosure may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the disclosure, and it is to be understood that other embodiments may be utilized and that changes may be made without departing from the scope of the present disclosure. The following description is, therefore, not to be taken in a limiting sense.
[0042] Hereinafter, a description of an embodiment with several components in communication with each other does not imply that all such components are required. On the contrary, a variety of optional components are described to illustrate the wide variety of possible embodiments of the present disclosure.
[0043] The present invention discloses an engine mounting intermediate bracket that is provided between a body panel and an engine mount. The function of the engine mounting intermediate bracket is to attain an improved Noise, vibration and Harshness (NVH) generated by the engine and also improve the strength of the engine mount.
[0044] Referring to FIG. 2a, it shows the engine mounting intermediate bracket (200). Also, the engine mounting intermediate bracket (200) is a ferrous casting bracket with robust designed shape and improved rigidity and stiffenss along with improved strength to sustain offset loading. The engine mounting intermediate bracket (200) is sandwiched between the engine mount (101) and the body panel (102) for attaining improved strength and NVH performance like better engine idling feel inside passenger cabin.
[0045] The engine mounting intermediate bracket (200) is mounted on the body panel (102) in a vertical orientation of a vehicle front side. Further, the engine mounting intermediate bracket (200) is mounted in a horizontal orientation of the vehicle front side.
[0046] Referring to FIG. 2b, the engine mounting intermediate bracket (200) is illustrated. The engine mounting intermediate bracket (200) has a vertical side (202a) and a horizontal side (202b). Further, a back of the vertical side (202a) faces the body panel (102) and the horizontal side (202b) faces an engine mount insulator (not shown in the figure) on the engine mount (101) on one side and the body panel (102) on the other side. Also, the horizontal side (202b) is angular to the vertical side (202b).
[0047] Further, the vertical side (202a) and the horizontal side (202b) in combination defines an L shape profile when view from the front side (303 as provided in Fig. 3) of a vehicle.
[0048] The vertical side (202a) defines a triangular shape profile. On a top vertex (209) of the vertical side (202a), a first through hole (204a) is provided. The first through hole (204a) mounts the engine mounting intermediate bracket (200) with the body panel (102). Also, a first tapped hole (203a) is provided adjacent to the through hole (204a). The tapped hole (203a) is provided in a boss (210a). The boss (210a) is extened in an upwards direction from the engine mounting intermediate bracket (200).
[0049] The horizontal side (202b) angularly connects with the base of the triangular shaped vertical side (202a). Further, the horizontal side (202b) defines a second through hole (204b) and a third through hole (204c) corresponding to the base vertices of the triangular shaped vertical side (202a).
[0050] Furthermore, the second tapped hole (203b) is provided adjacent to the second through hole (204b) and the second tapped hole (203b) is located ahead of the second through hole (204b) in the front direction of the vehicle. Also, the a third tapped hole (203c) is provided adjacent to the third through hole (204c) and located ahead of the third through hole (204c) in the front direction of the vehicle.
[0051] The tapped holes (203b, 203c) are provided in a boss (210b, 210c). The boss (210b, 210c) extened in an upwards direction from the engine mounting intermediate bracket (200).
[0052] A plurality of ribs (205a, 205b) are provided on two inclined surfaces of the triangular shaped vertical side (202a). The rib (205a) connects the first tapped hole (203a) and the third tapped hole (203c) and the rib (205b) connects the first through hole (204a) and the second through hole (204b). Further, the ribs (205a, 205b) are protruded forward towards the engine.
[0053] The plurality of ribs (205a, 205b) are placed on the two inclined surfaces of the triangular shaped vertical side (202a) in such a manner as to provide strength to the engine mounting intermediate bracket (200).
[0054] Referring to FIG. 2b and FIG. 2c. A rib (206) is provided in a curved shape profile. The rib (206) connects the second tapped hole (203b) and the third tapped hole (203c). Further, the rib (206) is curved in order to accommodate a cut out (208) that is also provided in between the second tapped hole (203b) and the third through holes (204c).
[0055] Also, sufficient depth is provided on the horizontal side (202b) of the engine mounting intermediate bracket (200) to maintain clearance from a bolt head (not shown in figure) after the engine mount (101) is mounted on the engine mounting intermediate bracket (200).
[0056] Referring to FIG. 2b and FIG. 2d The cut out (208) is provided in between the second tapped hole (203b) and the third through hole (204c). Also, the cut out (208) is extended on the horizontal side (202b) as well as the vertical side (202a).
[0057] The cut out (208) faces the engine mount insulator that is located on the engine mount (101) and the cut out (208) maintains adequate clearance for the engine mount insulator to expand towards the direction of the body panel (102) in a vehicle dynamic condition.
[0058] Referring to FIG. 2b and FIG. 3. The third tapped hole (203c) is provided in a boss (210c) to receive complete length of mounting fastener-Stud (301c) i.e. a bolt and a nut. Also, the third tapped hole (203c) is provided towards the front side (303) of the vehicle.
[0059] The tapped holes (203a, 203b, 203c) are constituted to receive the engine mount (101) and fasten the engine mount (101) on the engine mounting intermediate bracket (200) using the mounting fasteners (301a, 301b, 301c). Further, the through holes (204a, 204b, 202c) are provided to mount the engine mounting intermediate bracket (200) on the body panel (102) using nut and bolts.
[0060] Also, the engine mounting intermediate bracket (200) shifts a center point of the engine mount (101) for efficient handling of Noise, vibration and Harshness (NVH) generated by the engine and remove any fouling in the vehicle platform.
TECHNICAL ADVANTAGES
[0061] With the help of the solution as proposed herein in the context of the present disclosure, the engine mounting intermediate bracket contributes to stiffness improvement and Noise, Vibration and Harshness (NVH) performance enhancement.
[0062] With the help of the engine mounting intermediate bracket the mount center of the engine mount is shifted as per the requirement, which benefited into better isolation of powertrain modes and gave better NVH performance overall.
[0063] The engine mounting intermediate bracket provides a solution to the existing problem of packaging both old as well new powertrain simultaneously in existing vehicle platform.
[0064] It will be understood by those within the art that, in general, terms used herein, and especially in the appended claims (e.g., bodies of the appended claims) are generally intended as “open” terms (e.g., the term “including” should be interpreted as “including but not limited to,” the term “having” should be interpreted as “having at least,” the term “includes” should be interpreted as “includes but is not limited to,” etc.). It will be further understood by those within the art that if a specific number of an introduced claim recitation is intended, such an intent will be explicitly recited in the claim, and in the absence of such recitation, no such intent is present. For example, as an aid to understanding, the following appended claims may contain usage of the introductory phrases “at least one” and “one or more” to introduce claim recitations. However, the use of such phrases should not be construed to imply that the introduction of a claim recitation by the indefinite articles “a” or “an” limits any particular claim containing such introduced claim recitation to disclosures containing only one such recitation, even when the same claim includes the introductory phrases “one or more” or “at least one” and indefinite articles such as “a” or “an” (e.g., “a” and/or “an” should typically be interpreted to mean “at least one” or “one or more”); the same holds true for the use of definite articles used to introduce claim recitations. Also, even if a specific number of an introduced claim recitation is explicitly recited, those skilled in the art will recognize that such recitation should typically be interpreted to mean at least the recited number (e.g., the bare recitation of “two recitations,” without other modifiers, typically means at least two recitations or two or more recitations). Furthermore, in those instances where a convention analogous to “at least one of A, B, and C, etc.” is used, in general, such construction is intended in the sense one having skill in the art would understand the convention (e.g., “a system having at least one of A, B, and C” would include but not be limited to systems that have A alone, B alone, C alone, A and B together, A and C together, B and C together, and/or A, B, and C together, etc.). In those instances, where a convention analogous to “at least one of A, B, or C, etc.” is used, in general, such construction is intended in the sense one having skill in the art would understand the convention (e.g., “a system having at least one of A, B, or C” would include but not be limited to systems that have A alone, B alone, C alone, A and B together, A and C together, B and C together, and/or A, B, and C together, etc.). It will be further understood by those within the art that virtually any disjunctive word and/or phrase presenting two or more alternative terms, whether in the description, claims, or drawings, should be understood to contemplate the possibilities of including one of the terms, either of the terms or both terms. For example, the phrase “A or B” will be understood to include the possibilities of “A” or “B” or “A and B.”
[0065] It will be further appreciated that functions or structures of a plurality of components or steps may be combined into a single component or step, or the functions or structures of one-step or component may be split among plural steps or components. The present disclosure contemplates all of these combinations. Unless stated otherwise, dimensions and geometries of the various structures depicted herein are not intended to be restrictive of the disclosure, and other dimensions or geometries are possible. Also, while a feature of the present disclosure may have been described in the context of only one of the illustrated embodiments, such feature may be combined with one or more other features of other embodiments, for any given application. It will also be appreciated from the above that the fabrication of the unique structures herein and the operation thereof also constitute methods in accordance with the present disclosure. The present disclosure also encompasses intermediate and end products resulting from the practice of the methods herein. The use of “comprising” or “including” also contemplates embodiments that “consist essentially of” or “consist of” the recited feature. , Claims:We claim:
1. An engine mounting intermediate bracket (200) provided between an engine mount (101) and a body panel (102) of a vehicle, the engine mounting intermediate bracket (200) comprising:
a vertical side (202a) and a horizontal side (202b) which is angular to the vertical side (202a), the vertical side (202a) and the horizontal side (202b) defines a L shape profile when view from a front side (303) of the vehicle;
the vertical side (202a) defines a triangular shape profile where a first through hole (204a) is defined at top vertex (209) to mount the engine mounting intermediate bracket (200) with the body panel (102) and a first tapped hole (203a) provided adjacent to the through hole (204a), the tapped hole (203a) is provided in a boss (210a); and
the horizontal side (202b) angularly connects with base of the triangular shaped vertical side (202a), the horizontal side (202b) defines a second through hole (204b) and a third through hole (204c) corresponding to base vertices of the triangular shaped vertical side (202a), wherein a second tapped hole (203b) provided adjacent to the second through hole (204b) and located ahead of the second through hole (204b), where a third tapped hole (203c) provided adjacent to the third through hole (204c) and located ahead of the third through hole (204c).
2. The engine mounting intermediate bracket (200) as claimed in claim 1, wherein a rib (205a) connects the first tapped hole (203a) and the third tapped hole (203c) and a rib (205b) connects the first through hole (204a) and the second through hole (204b), the ribs (205a, 205b) are protruded forward toward the engine.
3. The engine mounting intermediate bracket (200) as claimed in claim 1, wherein a rib (206) connects the second tapped hole (203b) and the third tapped hole (203c), the rib (206) defines a curved shape profile.
4. The engine mounting intermediate bracket (200) as claimed in claim 1, wherein a cut out (208) provided in between the second tapped hole (203b) and the third through hole (204c), the cut out (208) extend on the horizontal side (202b) and the vertical side (202a).
5. The engine mounting intermediate bracket (200) as claimed in claim 1, wherein the second tapped hole (203b) is provided in a boss (210b) to receive complete length of a mounting fastener (301b).
6. The engine mounting intermediate bracket (200) as claimed in claim 1, wherein the third tapped hole (203c) is provided in a boss (210c) to receive complete length of a mounting fastener (301c), the third tapped hole (203c) is provided at towards the front side (303) of the vehicle.
7. The engine mounting intermediate bracket (200) as claimed in claim 1, wherein the tapped holes (203a, 203b, 203c) are configured to receive the engine mount (101) on the engine mounting intermediate bracket (200).
8. The engine mounting intermediate bracket as claimed in claim 1, wherein the through holes (204a, 204b, 204c) are provided to mount the engine mounting intermediate bracket (200) on the body panel (102).
9. The engine mounting intermediate bracket as claimed in claim 1, wherein the engine mounting intermediate bracket (200) shifts a center point or mount center of the engine mount (101) for efficient handling of Noise, vibration and Harshness (NVH) generated by the engine.
10. The engine mounting intermediate bracket (200) as claimed in claim 1, wherein the engine mounting intermediate bracket (200) is a ferrous casting bracket.
| # | Name | Date |
|---|---|---|
| 1 | 202311030725-STATEMENT OF UNDERTAKING (FORM 3) [28-04-2023(online)].pdf | 2023-04-28 |
| 2 | 202311030725-FORM 1 [28-04-2023(online)].pdf | 2023-04-28 |
| 3 | 202311030725-FIGURE OF ABSTRACT [28-04-2023(online)].pdf | 2023-04-28 |
| 4 | 202311030725-DRAWINGS [28-04-2023(online)].pdf | 2023-04-28 |
| 5 | 202311030725-DECLARATION OF INVENTORSHIP (FORM 5) [28-04-2023(online)].pdf | 2023-04-28 |
| 6 | 202311030725-COMPLETE SPECIFICATION [28-04-2023(online)].pdf | 2023-04-28 |
| 7 | 202311030725-FORM-26 [23-06-2023(online)].pdf | 2023-06-23 |
| 8 | 202311030725-Proof of Right [12-09-2023(online)].pdf | 2023-09-12 |
| 9 | 202311030725-POA [22-06-2024(online)].pdf | 2024-06-22 |
| 10 | 202311030725-FORM 13 [22-06-2024(online)].pdf | 2024-06-22 |
| 11 | 202311030725-AMENDED DOCUMENTS [22-06-2024(online)].pdf | 2024-06-22 |
| 12 | 202311030725-FORM 18 [28-06-2024(online)].pdf | 2024-06-28 |