System for washing an aero gas turbine engine
CA 2714809 C · Owner: Pratt & Whitney Line Maintenance Services, Inc. · Inventors: Hjerpe, Carl-Johan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
System for washing a gas turbine engine (1). The system comprises a spray device (33; 90) including at least one nozzles (54) adapted to inject liquid into an inlet (110) of said engine during a washing operation; a wash unit (31 35) adapted to distribute said liquid to said spray device (33; 90); and a positioning device (34) adapted to move said spray device in three dimensions thereby enabling a positioning of said spray device in a washing operation position in said three dimensions relative said engine inlet (110) without any contact between the spray device (33; 90) and the engine (1). The invention further relates to a vehicle for making the inventive system mobile and to a mobile …
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 June 8, 2005 and granted November 19, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 8, 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.