US 12,313,234 B2
Bumper lens unit of a vehicle
Chinmay Ubhayakar, Bangalore (IN); and Mini Simon, Bangalore (IN)
Assigned to Volvo Truck Corporation, Gothenburg (SE)
Appl. No. 17/788,012
Filed by Volvo Truck Corporation, Gothenburg (SE)
PCT Filed Dec. 21, 2020, PCT No. PCT/EP2020/087421
§ 371(c)(1), (2) Date Jun. 22, 2022,
PCT Pub. No. WO2021/130159, PCT Pub. Date Jul. 1, 2021.
Claims priority of application No. 201921053838 (IN), filed on Dec. 25, 2019.
Prior Publication US 2023/0039226 A1, Feb. 9, 2023
Int. Cl. B60Q 1/02 (2006.01); B60Q 1/04 (2006.01); F21S 41/25 (2018.01); F21S 41/29 (2018.01)
CPC F21S 41/25 (2018.01) [B60Q 1/0458 (2013.01); F21S 41/295 (2018.01)] 11 Claims
OG exemplary drawing
 
1. A bumper lens unit of a vehicle, the bumper lens unit comprising:
a frame panel,
a lens, the lens comprising a composite material which is transparent, the composite material comprising:
a resin,
fibers, and
nano-particles interphases arranged around the fibers,
wherein a refractive index of the resin matches with a refractive index of the fibers, and a refractive index of the nano-particles interphases is between the refractive index of the resin and the refractive index of the fibers, and
a structural adhesive,
wherein the frame panel and the lens are bonded to each other by the structural adhesive,
wherein a front wall of the bumper lens unit is flush in the vicinity of a junction between the frame panel and the lens,
wherein the junction between the frame panel and the lens comprises a channel in one of an internal edge of the frame panel or an external edge of the lens, and comprises a protrusion projecting from the other of the internal edge of the frame panel or the external edge of the lens, with the protrusion being received inside the channel, and
wherein a space is formed between the channel and the protrusion, the space being filled with the structural adhesive.