# US 12,594,995 B2 · Mounting beam for vehicle, front cabin assembly, vehicle and optimization design method for mounting beam > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,594,995 B2 - Document ID: US12594995B2 - Status: Granted - Kind: B2 - Application number: 18/209,369 - Filed: 2023-06-13 - Published: 2024-07-11 - Granted: 2026-04-07 - Earliest claimed: 2023-01-06 - Assignees: Xiaomi EV Technology Co., Ltd. - Applicants: Xiaomi Ev Technology Co., Ltd. - Inventors: Tailiang Dai; Rong Zeng; Tao Ma; Zhibing Han; Dongpo Liu - Web page: https://patentgrep.com/patent/US12594995B2 ## CPC - B62D 21/02: comprising longitudinally or transversely arranged frame members - B62D 25/082: {Engine compartments} - B62D 25/08: Front or rear portions {(sub-frames for mounting engine or suspensions B62D21/11)} - B62D: MOTOR VEHICLES; TRAILERS (steering, or guiding on a desired track, of agricultural machines or implements A01B69/00; wheels, castors, axles, increasing wheel adhesion B60B; vehicle tyres, tyre inflation or tyre changing B60C; connections between vehicles of a train or the like B60D; vehicles for use on rail and road, amphibious or convertible vehicles B60F; suspension arrangements B60G; heating, cooling, ventilating or other air treating devices B60H; windows, windscreens, non-fixed roofs, doors or similar devices, protective coverings for vehicles not in use B60J; propulsion plant arrangements, auxiliary drives, transmissions, controls, instrumentation or dashboards B60K; electric equipment or propulsion of electrically-propelled vehicles B60L; power supply for electrically-propelled vehicles B60M; passenger accommodation not otherwise provided for B60N; adaptations for load transportation or to carry special loads or objects B60P; arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general B60Q; vehicles, vehicle fittings or vehicle parts not otherwise provided for B60R; servicing, cleaning, repairing, supporting, lifting, or manoeuvring, not otherwise provided for, B60S; brake arrangements, brake control systems or parts thereof B60T; air-cushion vehicles B60V; motor-cycles, accessories therefor B62J, B62K; testing of vehicles G01M) ## Abstract A mounting beam includes a beam body provided with a plurality of mounting areas configured to mount a front cabin accessory. The beam body includes a first cross beam, a second cross beam, a first oblique beam and a second oblique beam. The first and second cross beams are arranged in parallel and spaced apart from each other, and both the first and second cross beams are configured to couple a left shock absorber tower to a right shock absorber tower. Each of the first and second oblique beams intersects with the second cross beam, first ends of the first and second oblique beams are coupled to the first cross beam, and second ends of the first and second oblique beams are coupled to each other to form a first joint. The first joint is configured to be coupled to a dash panel. ## Claims ### Claim 1 A mounting beam for a vehicle, comprising: a beam body, the beam body being provided with a plurality of mounting areas, and the plurality of mounting areas being configured to mount a front cabin accessory, and the beam body comprising: a first cross beam and a second cross beam, the first cross beam and the second cross beam being arranged in parallel and spaced apart from each other, and each of the first cross beam and the second cross beam being configured to be coupled between a left shock absorber tower and a right shock absorber tower; and a first oblique beam and a second oblique beam, each of the first oblique beam and the second oblique beam intersecting with the second cross beam, a first end of the first oblique beam and a first end of the second oblique beam being coupled to the first cross beam, a second end of the first oblique beam being coupled to a second end of the second oblique beam to form a first joint, and the first joint being configured to be coupled to a dash panel, wherein the beam body comprises a plurality of longitudinal beams, and the plurality of longitudinal beams is coupled between the first cross beam and the second cross beam and spaced apart from each other along a transverse direction of the beam body; and the plurality of longitudinal beams comprises a first longitudinal beam and a second longitudinal beam, the first longitudinal beam, the second longitudinal beam, the first cross beam and the second cross beam form a rectangular structure, and the rectangular structure forms a first mounting area; and the front cabin accessory comprises a compressor, and the compressor is assembled at the rectangular structure. ### Claim 2 (depends on 1) The vehicle mounting beam according to claim 1, wherein the rectangular structure is provided with a plurality of first mounting points, the plurality of first mounting points is arranged along a circumferential direction of the rectangular structure and spaced apart from each other, and the compressor is coupled to the plurality of first mounting points. ### Claim 3 (depends on 2) The vehicle mounting beam according to claim 2, wherein the plurality of first mounting points are arranged on a joint of the first longitudinal beam and the second cross beam, a joint of the second longitudinal beam and the second cross beam, and a portion of the first cross beam between the first longitudinal beam and the second longitudinal beam, respectively; and/or the rectangular structure is provided with a plurality of damping bushings, the plurality of damping bushings is arranged at the plurality of first mounting points in one-to-one correspondence, and the compressor is assembled at the rectangular structure through the plurality of damping bushings. ### Claim 4 (depends on 1) The vehicle mounting beam according to claim 1, further comprising a second mounting area and a third mounting area, the first mounting area is located between the second mounting area and the third mounting area, and the second mounting area, the first mounting area and the third mounting area are sequentially arranged in the transverse direction of the beam body; and the front cabin accessory comprises a cooling module and an expansion tank, one of the second mounting area and the third mounting area is configured to mount the cooling module, and the other is configured to mount the expansion tank. ### Claim 5 (depends on 4) The vehicle mounting beam according to claim 4, wherein the second mounting area is provided with a plurality of second mounting points, the plurality of second mounting points is arranged along a circumferential direction of the second mounting area and spaced apart from each other; and/or the third mounting area is provided with a plurality of third mounting points, the plurality of third mounting points is arranged along a circumferential direction of the third mounting area and spaced apart from each other. ### Claim 6 (depends on 5) The vehicle mounting beam according to claim 5, further comprising a fourth mounting area, the fourth mounting area is arranged at a side of the second cross beam facing away from the first cross beam and adjacent to the first joint; the fourth mounting area is provided with a plurality of fourth mounting points, the plurality of fourth mounting points is arranged along a circumferential direction of the fourth mounting area and spaced apart from each other; and/or the front cabin accessory comprises an air conditioner motor body, and the fourth mounting area is configured to mount the air conditioner motor body. ### Claim 7 (depends on 1) The vehicle mounting beam according to claim 1, wherein the first end of the first oblique beam is coupled to a first end of the first cross beam to form a second joint, the second joint is configured to be coupled to the left shock absorber tower, the first end of the second oblique beam is coupled to a second end of the first cross beam to form a third joint, and the third joint is configured to be coupled to the right shock absorber tower. ### Claim 8 (depends on 1) The vehicle mounting beam according to claim 1, wherein the beam body is integrally die-cast, and/or the beam body is made of aluminum. ### Claim 9 (depends on 1) The vehicle mounting beam according to claim 1, wherein at least one of a top face of the first oblique beam or a top face of the second oblique beam is provided with a first rib group, and the first rib group is located between the first joint and the second cross beam; and/or at least of a bottom face of the first oblique beam or a bottom face of the second oblique beam is provided with a second rib group, and the second rib group is located between the first joint and the second cross beam. ### Claim 10 (depends on 9) The vehicle mounting beam according to claim 9, wherein the first oblique beam and/or the second oblique beam are provided with a notch for avoiding a wiper envelope, and the first rib group and the second rib group are arranged at the notch; and/or the first rib group has an X shape; and/or the second rib group has a grid shape. ### Claim 11 (depends on 9) The vehicle mounting beam according to claim 9, wherein a third rib group is arranged at an included angle formed by the first oblique beam and the second cross beam, and the first oblique beam, the second cross beam and the third rib group form a triangular structure. ### Claim 12 (depends on 11) The vehicle mounting beam according to claim 11, wherein a fourth rib group is arranged at an included angle formed by the second oblique beam and the second cross beam, and the second oblique beam, the second cross beam and the fourth rib group form a triangular structure. ### Claim 13 (depends on 1) The vehicle mounting beam according claim 1, wherein at least one of a cross section of the first cross beam or a cross section of the second cross beam has a Z shape. ### Claim 14 (depends on 1) The vehicle mounting beam according to claim 1, wherein a plurality of vertical ribs is uniformly distributed on a top face and a bottom face of the beam body, and at least part of the plurality of vertical ribs fluctuate in an extending direction of the plurality of vertical ribs. ### Claim 15 A front cabin assembly, comprising: a left shock absorber tower; a right shock absorber tower; a front cabin accessory; a dash panel; and a mounting beam, comprising: a beam body, the beam body being provided with a plurality of mounting areas, and the plurality of mounting areas being configured to mount the front cabin accessory, wherein the beam body comprises: a first cross beam and a second cross beam, the first cross beam and the second cross beam being arranged in parallel and spaced apart from each other, and each of the first cross beam and the second cross beam being coupled between the left shock absorber tower and the right shock absorber tower; and a first oblique beam and a second oblique beam, each of the first oblique beam and the second oblique beam intersecting with the second cross beam, a first end of the first oblique beam and a first end of the second oblique beam being coupled to the first cross beam, a second end of the first oblique beam being coupled to a second end of the second oblique beam to form a first joint, and the first joint being coupled to the dash panel, wherein the beam body comprises a plurality of longitudinal beams, and the plurality of longitudinal beams is coupled between the first cross beam and the second cross beam and spaced apart from each other along a transverse direction of the beam body; and the plurality of longitudinal beams comprises a first longitudinal beam and a second longitudinal beam, the first longitudinal beam, the second longitudinal beam, the first cross beam and the second cross beam form a rectangular structure, and the rectangular structure forms a first mounting area; and the front cabin accessory comprises a compressor, and the compressor is assembled at the rectangular structure. ### Claim 16 (depends on 15) The front cabin assembly according to claim 15, wherein a first end of the first cross beam and a first end of the second cross beam are coupled to the left shock absorber tower, and a center point of the left shock absorber tower is located between the first cross beam and the second cross beam; and a second end of the first cross beam and a second end of the second cross beam are coupled to the right shock absorber tower, and a center point of the right shock absorber tower is located between the first cross beam and the second cross beam. ### Claim 17 (depends on 15) The front cabin assembly according to claim 15, wherein the front cabin accessory comprises at least one of a compressor, a cooling module, an expansion tank or an air conditioner motor body. ### Claim 18 A vehicle, comprising: a front cabin assembly, comprising: a left shock absorber tower; a right shock absorber tower; a front cabin accessory; a dash panel; and a mounting beam, comprising: a beam body, the beam body being provided with a plurality of mounting areas, and the plurality of mounting areas being configured to mount the front cabin accessory, wherein the beam body comprises: a first cross beam and a second cross beam, the first cross beam and the second cross beam being arranged in parallel and spaced apart from each other, and each of the first cross beam and the second cross beam being coupled between the left shock absorber tower and the right shock absorber tower; and a first oblique beam and a second oblique beam, each of the first oblique beam and the second oblique beam intersecting with the second cross beam, a first end of the first oblique beam and a first end of the second oblique beam being coupled to the first cross beam, a second end of the first oblique beam being coupled to a second end of the second oblique beam to form a first joint, and the first joint being coupled to the dash panel, wherein the beam body comprises a plurality of longitudinal beams, and the plurality of longitudinal beams is coupled between the first cross beam and the second cross beam and spaced apart from each other along a transverse direction of the beam body; and the plurality of longitudinal beams comprises a first longitudinal beam and a second longitudinal beam, the first longitudinal beam, the second longitudinal beam, the first cross beam and the second cross beam form a rectangular structure, and the rectangular structure forms a first mounting area; and the front cabin accessory comprises a compressor, and the compressor is assembled at the rectangular structure.