Patent · US Active

Actuator devices and assemblies for automotive safety devices

US11912221B2 · kind B2 · utility

4Cited by

65References

18Claims

0Family size

Assignee

Autoliv ASP, Inc. · US

Inventors

Francois Peremarty · Salt Lake City, US
Jeff Kida · Layton, US
Brent Parks · Englewood, US
Alan R. Larsen · Layton, US
Lutz Staack · Dachau, DE
Sven Hoffmann · Dachau, DE

Key dates

Filing date	Dec 5, 2019
Grant date	Feb 27, 2024
Priority date	—
Expiry date	May 15, 2041

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60R2021/23388
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

An actuator device with an actuator cup having a first end and a second end. The actuator cup defines a storage chamber containing a pyrotechnic material to produce gas. The storage chamber also includes a coolant. At least one electrical connection coupled to the first end, the electrical connection in reaction initiating communication with the pyrotechnic material. The second end of the actuator cup includes a concave surface before actuation of the pyrotechnic material and during the actuation of the pyrotechnic material the second end transitions from the concave surface to a convex surface.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.