Patent ID: 11872952
Assignee: SUBARU CORPORATION
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A collision damage reduction device to be applied to a vehicle, the vehicle being provided with
a door provided to be openable and closable at a door opening provided on a side surface of a vehicle body of the vehicle, and
a side sill disposed along a lower edge of the door, the collision damage reduction device comprising:
an airbag configured to be deployed from a container to be disposed on a lower side of the door on the vehicle body to a region on a vehicle-widthwise outside of the door; and
a door beam to be disposed across a front part and a rear part inside the door, wherein
the airbag comprises a first air chamber, a second air chamber and a third air chamber,
the first air chamber is configured to, after being deployed, have an upper end disposed at a higher position than the door beam and a lower end disposed at a lower position than an upper end of the side sill, within a range that is, in a vehicle front-rear direction, rearward of a front end of a seating surface of a seat for an occupant and forward of a rear end of the seating surface,
the second air chamber is configured to extend across and below a lower part of the first air chamber and the container within the range, and have a lower internal pressure than the first air chamber after being deployed, and
the third air chamber is configured to protrude above the upper end of the first air chamber within the range, and have a lower internal pressure than the first air chamber after being deployed.