About 89 results
https://drivepatents.com/patents/994663 · 26 Dec 2012
The method involves arranging counterweights (40, 50, 60, 70) on a set of locations. The locations are located on hub envelopes (22, 32) close to ends (22A, 22B, 32A, 32B) of the hub envelopes that are distant from planes (B-B', C-C') of a set of coaxial n...
https://drivepatents.com/patents/994654 · 26 Dec 2012
The method involves eliminating or reducing a possible unbalance of a propulsive system (1) with front and back coaxial non streamlined contra-rotating propellers (2, 3), where the propellers comprise hubs (21, 31) concentrically surrounded by hub envelope...
https://drivepatents.com/patents/995131 · 12 Dec 2012
The method involves determining a value illustrating a thermo-mechanical condition (ET) of a turbine engine to illustrate expansion of an element of the engine based on thermal conditions, from measurement of exhaust or turbine gas temperature (T). The det...
https://drivepatents.com/patents/996765 · 24 Oct 2012
The method involves obtaining (22) a preselected deceleration value, and obtaining (24) current dynamic parameters representing a current position and current speed of a vehicle. Reference position and reference speed of the vehicle are determined (28, 32)...
https://drivepatents.com/patents/997309 · 10 Oct 2012
The method involves measuring current values (N1c1-N1c4) of driving parameters associated to external engines (M1, M4) and internal engines (M2, M3). Detection is made whether difference between the current values of the driving parameters associated with ...
https://drivepatents.com/patents/997612 · 3 Oct 2012
The method involves determining successive standard flight sections (S1A-S4A) e.g. cruise sections, from managing parameters, where each flight section is defined between a section starting point and a section ending point. The determined successive flight...
https://drivepatents.com/patents/999795 · 1 Aug 2012
The device has connection elements (46) e.g. bolts or rivets, housed in passage holes (38, 44) formed in cylindrical parts to be connected, respectively. Each element comprises a rod (48) having ends provided with supports (50, 52) for holding the parts in...
https://drivepatents.com/patents/999991 · 25 Jul 2012
The engine has a noise reducing system for reducing noise generated by ejection of gas stream from a nozzle. The system includes a duct connected in upstream to a recess (24) divided into a central chamber (54) and side chambers (56, 58). The duct opens in...
https://drivepatents.com/patents/1001362 · 13 Jun 2012
The intake (18) has an annular internal shell (30) including fluid passage orifices, and an annular lip (24) connected to external and internal downstream edges (28, 32) of external shroud (26) and the shell, so as to form a leading edge of the intake. The...
https://drivepatents.com/patents/1002810 · 2 May 2012
The aircraft nacelle (10) has limiting element (19) with at least one lock that is integral with the rest of nacelle or respectively the cowl (14). One part of lock occupies locked state in which lock interferes with the cowl and prevents deformation that ...