Method and apparatus for supplying compressed air to auxiliary systems of a vehicle
CA 2029167 A1 · Owner: General Electric Company · Inventors: Johnston, Richard P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, An apparatus for supplying compressed air to the auxiliary system of a vehicle such as an aircraft or other device powered by a gas turbine engine comprises an auxiliary compressor which is connected by a differential to the main drive shaft of the compressor of the gas turbine engine. A controller receives a signal from a pressure sensor at the output of the auxiliary compressor representing the pressure and/or flow rate of the compressed air discharged from the auxiliary compressor and compares that signal with a signal from the auxiliary system representing its requirements for compressed air which can be set at predetermined levels or dynamically determined …
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 November 1, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 1, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 1, 2012.
- 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.