The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 28, 2020
Filed:
Apr. 27, 2017
Safran Aircraft Engines, Paris, FR;
Bruno Albert Beutin, Evry, FR;
Nuria Llamas Castro, Tournefeuille, FR;
Maria Natal, Paris, FR;
Bruna Manuela Ramos, Seine Port, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
The main purpose of the invention is an air circulation device () for a turbomachine (), comprising an air conveyance circuit () adapted to bring hot bleed air (A) from the turbomachine () to a part to be heated (), comprising a first segment fixed in rotation to a rotating part () and comprising at least one hot air (A) conveyance conduit (), and a hot air passage device (), comprising an annular compartment fixed in rotation to the first segment, characterise in that the annular compartment comprises a heat exchanger in contact with external air, and in that the hot air passage device () comprises a hot air bypass system to deviate air entering into the device and to make it circulate along the heat exchanger when the temperature of this intake air is above a predetermined threshold.