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:
Jun. 25, 2019
Filed:
Jan. 29, 2015
Snecma, Paris, FR;
Safran, Paris, FR;
Microturbo, Toulouse, FR;
Nicolas Claude Parmentier, Moissy Cramayel, FR;
Pierre Froment, Moissy Cramayel, FR;
Jean-Francois Rideau, Tournefeuille, FR;
Bruno Thoraval, Moissy Cramayel, FR;
Abstract
An aircraft turboprop engine () including at least a low-pressure body () and a high-pressure body (), possibly also an intermediate-pressure body. At least one of the bodies includes a compressor. The low-pressure body drives a first gearbox () The turboprop engine also includes at least one load compressor () for supplying air to an air-conditioning circuit of an aircraft cabin. A rotor () of the load compressor is coupled to the low-pressure body. The load compressor () includes an air inlet () connected to a conduit () to bleed air from the compressor of the turboprop engine when all of the aforementioned bodies include only a single compressor, or from the compressor of the low-pressure body or the compressor of the intermediate-pressure body of the turboprop engine when all of the bodies include at least two compressors.