Solid fuel body, gas generator, module having a gas generator, and pyrotechnic drive unit

US10501386B2 · kind B2 · utility

Assignee

• TRW AIRBAG SYSTEMS GMBH · DE

Inventors

• Michael Niehaus · Lebanon, US
• Bernd Lorbeer · Rostock, DE
• Torsten Berg · Pulsnitz, DE

Key dates

• Filing date: Aug 4, 2011
• Grant date: Dec 10, 2019
• Expiry date: Aug 4, 2031

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F42B5/16
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A solid propellant compact (10) in the form of a compact made of a powdered and/or granulated solid propellant, especially for inflators and/or actuators of a vehicle occupant restraint system, includes at least one recess on at least one of its sides. Solid propellant compacts (10) of this type are provided in an inflator (14) comprising at least one combustion chamber. A module includes such inflator (14) with an airbag inflatable by the inflator (14). A pyrotechnical drive unit (30) comprising a housing (32), a piston (34) movable in the housing (32) includes solid propellant compacts (10) of this type.