Device for cutting a structure in a motor vehicle
First Claim
1. Device for cutting a structure in a motor vehicle comprising a linear pyrotechnic charge placed inside a flattened deformable tube, combustion of the said charge brining about deformation of the tube which increases its cross section, the said deformation causing the structure to break, characterized in that the combustion rate of the pyrotechnic charge is less than 3000 m/s.
1 Assignment
0 Petitions
Accused Products
Abstract
The technical field of the invention is that of motor vehicle safety involving devices for cutting a structure such as, for example, an instrument panel, so as to actuate a safety device.
The object of the present invention relates more specifically to a device (1) for cutting a structure in a motor vehicle comprising a linear pyrotechnic charge (5) placed inside a flattened deformable tube (6), combustion of the said charge (5) bringing about deformation of the tube (6) which increases its cross section, the said deformation causing the structure (3) to break.
The main characteristic of this device is that the combustion rate of the pyrotechnic charge (5) is less than 3000 m/s.
-
Citations
10 Claims
- 1. Device for cutting a structure in a motor vehicle comprising a linear pyrotechnic charge placed inside a flattened deformable tube, combustion of the said charge brining about deformation of the tube which increases its cross section, the said deformation causing the structure to break, characterized in that the combustion rate of the pyrotechnic charge is less than 3000 m/s.
Specification