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:
Aug. 29, 2023
Filed:
Nov. 09, 2021
Safran Transmission Systems, Colombes, FR;
Guillaume Julien Beck, Moissy-Cramayel, FR;
Patrice Jocelyn Francis Gedin, Moissy-Cramayel, FR;
Simon Loic Clement Lefebvre, Moissy-Cramayel, FR;
Balint Pap, Moissy-Cramayel, FR;
Quentin Pierre Henri Pigott, Moissy-Cramayel, FR;
Adrien Louis Simon, Moissy-Cramayel, FR;
SAFRAN TRANSMISSION SYSTEMS, Colombes, FR;
Abstract
A mechanical reduction gear for a turbomachine, in particular for an aircraft, the reduction gear including a sun gear, a ring gear, planet gears which are meshed with the sun gear and the ring gear, hydrodynamic bearings for guiding the planet gears in rotation, these bearings being carried by a planet carrier and including cylindrical bodies which are engaged in the planet gears and which are configured so as to be supplied with oil and so as to form guiding oil films between the bodies and the planet gears, wherein each of the planet gears is guided by two hydrodynamic bearings independent of each other and disposed on either side of the plane.