Gas generator for an airbag system
CA 2249340 A1 · Owner: Dynamit Nobel Gmbh Explosivstoff-Und Systemtechnik · Inventors: Brede, Uwe; Bayer, Karl; Kraft, Josef
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a gas generator comprising: a combustion chamber part (12) which contains a gas-generating material (18); and a dust separator (13) for separating solids present in the gas flow generated. According to the invention, in order to prevent the air bag from inflating too suddenly and thereby injuring vehicle occupants, the combustion chamber part (12) is divided into at least two combustion chambers (16 17) which operationally are , independent of each other each comprising its own ignition element (19 20). , The ignition elements (19, 20) are controlled successively in a chronologically staggered manner in order to lengthen the gas-generation time interval.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed March 20, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 20, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 20, 2019.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.