US 12,377,718 B2
Motor vehicle having a side door
Michael Fuetterer, Hildrizhausen (DE); and Bernd Orschiedt, Gerlingen (DE)
Assigned to Mercedes-Benz Group AG, Stuttgart (DE)
Appl. No. 18/041,941
Filed by Mercedes-Benz Group AG, Stuttgart (DE)
PCT Filed Jul. 26, 2021, PCT No. PCT/EP2021/070844
§ 371(c)(1), (2) Date Feb. 16, 2023,
PCT Pub. No. WO2022/037906, PCT Pub. Date Feb. 24, 2022.
Claims priority of application No. 10 2020 005 134.0 (DE), filed on Aug. 21, 2020.
Prior Publication US 2024/0025241 A1, Jan. 25, 2024
Int. Cl. B60J 5/04 (2006.01); B62D 25/02 (2006.01)
CPC B60J 5/0427 (2013.01) [B60J 5/0413 (2013.01); B60J 5/0452 (2013.01); B62D 25/025 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A motor vehicle, comprising:
a body that has a doorway and a side sill;
a side door (1) moveably held on the doorway and displaceable between a closed position closing the doorway and an open position at least partially freeing the doorway;
wherein the side door (1) has an inner door part (5), a reinforcement element (25), and a planking element (24) at least partially cladding an outer side of the inner door part (5);
wherein the reinforcement element (25) is an elongated profile part that has an upper deformation region (29) and a lower deformation region (31) in a vertical direction of the motor vehicle, wherein the reinforcement element (25) is disposed at least partially overlapping the side sill (27) of the body when the side door (1) is in the closed position in relation to a transverse direction of the motor vehicle, wherein the upper deformation region (29) is disposed without overlapping the side sill (27) in an undamaged state of the motor vehicle when viewed in the transverse direction of the motor vehicle, wherein the lower deformation region (31) is disposed overlapping the side sill (27) in the undamaged state of the motor vehicle in the transverse direction of the motor vehicle, wherein the upper deformation region (29) is formed by a first corrugation (45), the lower deformation region (31) is formed by a second corrugation (47), and a respective base region of the respective corrugations (45, 47) faces an outer side of the motor vehicle, and wherein via the reinforcement element the side door (1) is supportable on the side sill (27) in an event of a force caused by an accident acting on the side door (1) from an outside inwards in the transverse direction of the motor vehicle;
wherein the upper deformation region (29) and the lower deformation region (31) are disposed at a spacing from each other and opposite a standing surface (35) on which the motor vehicle is parked, such that, in an event of a side impact test with a barrier (37) having a first barrier portion (39) and a second barrier portion (41) protruding forward from the first barrier portion (39) in a direction of the motor vehicle:
the second barrier portion (41) of the barrier (37) is pulled over the lower deformation region (31), and is thus not subjected to force, but instead only hits the upper deformation region (29) such that the second barrier portion (41) is pushed inwards or displaced in the transverse direction of the motor vehicle and such that a banking inward of the upper deformation region (29) occurs around a connecting portion (43) of the reinforcement element (25) that is disposed between the upper deformation region (29) and the lower deformation region (31) counter-clockwise in a direction of the side sill (27), wherein due to the banking inward of the upper deformation region (29) the upper deformation region (29) is caught on the side sill (27) such that the side door (1) is prevented from being pushed or pulled over the side sill (27); and
the lower deformation region (31) is only hit by a portion of the first barrier portion (39) that protrudes downwards in a direction of the standing surface (35) beyond the second barrier portion (41) such that the portion of the first barrier portion (39) shifts the lower deformation region (31) into the side sill 27; and
an impact damper (49), wherein the impact damper (49) is a foam part and is disposed inside the side door (1) between the reinforcement element (25) and the side sill (27) and wherein the impact damper (49) extends over at least a partial length of the reinforcement element (25) and substantially completely fills a cavity (51) delimited between the reinforcement element (25) and the inner door part (5).