Cooling arrangement for an accessory gearbox and method of cooling
CA 2573076 C · Owner: Brouillet, David · Inventors: Brouillet, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The housing or box enclosing the gearing which is used to transmit power to various accessories (AGB) (30) serviced by a gas turbine requires cooling. The invention provides cooling to the accessory (20) externally without the need for any coolant flow inside the accessory (20). This is done by using the accessory gearbox (AGB) (30) as the outer boundary of a cylindrical cooling jacket with the inner boundary being on or in the exterior surface of the accessory. A coolant then flows from an inlet on the AGB (30) through the cooling jacket, to an outlet on the AGB (30). The coolant may then be sent to other heat exchangers or elements of the system. This eliminates the need for …
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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 July 6, 2005 and granted September 2, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 6, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.