Blocking system for a main motor shaft with integrated bearing
CA 2500986 C · Owner: Snecma · Inventors: Soupizon, Jean-Luc; Mons, Claude; Hugonie, Aymeric
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Turbomachine comprising at least a first rotary assembly with a first shaft a stator, and bearings secured to the stator and for supporting the first shaft, one of the bearings being capable of giving way when unbalance occurs in the first rotary assembly. The turbomachine comprises among others, braking means for braking the first shaft when unbalance occurs and welding means acting at the end of braking for welding a portion of the first shaft onto a surrounding portion of the turbomachine. The turbomachine is primarily designed to be used in the field of aviation and more specifically as an aircraft turbine engine.
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 24, 2005 and granted October 30, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 24, 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.