Process and circuit arrangement for igniting a gas stream
CA 2515944 C · Owner: Blank, Juergen · Inventors: Blank, Juergen; Happe, Barbara
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method and a circuit for igniting a gas flow in a fully automatic, manner. The aim of the invention is to maintain the necessary current consumption so, low that an integratable voltage source can be used. To this end once an , electronic, control unit has been activated a thermoelectric safety pilot valve (2) is opened by an, electromagnet which is temporarily excited by a rush of current is maintained , in the open, position by a safety pilot magnet (6) by means of a holding current provided by a voltage, source (10), and the escaping gas is ignited. Once a thermoelectric couple (4) is provided, for the necessary holding current the voltage source (10) is …
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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 February 12, 2004 and granted January 31, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 12, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 12, 2026.
- 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
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.