Disclosed is an underfloor frame system for a vehicle, comprising: a main frame made of a carbon fiber composite and shaped into a closed square using the borders shaped into a square; a center cross member for crossing a vehicle in the lateral direction to connect intermediate portions of both side members of the main frame; a front cross member for crossing the vehicle in the lateral direction to connect front portions of both side members of the main frame and a rear cross member to connect rear portions of both side members of the main frame; and a center tunnel member extended in a longitudinal direction of the vehicle to pass through the upper space of the center cross member to connect the front cross member to the rear cross member.
UNDER-FLOOR FRAME SYSTEM FOR VEHICLE
2015-09-14
Patent
Electronic Resource
Korean
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |