A modular thrust control lever assembly for manual pilot control of the forward/idle/reverse thrust operational modes of multiple engine aircraft and including manually manipulable pilot control levers (24L, 24R) each having a fixed lever portion (69L, 69R) and an integral crank (42L, 42R) mounted a
A modular thrust control lever assembly for manual pilot control of the forward/idle/reverse thrust operational modes of multiple engine aircraft and including manually manipulable pilot control levers (24L, 24R) each having a fixed lever portion (69L, 69R) and an integral crank (42L, 42R) mounted about a fixed pivot axis (44) and a radially extendable handle portion (85L, 85R and 26L, 26R) with the fixed pivoted lever portions (69L, 69R) and radially extendable handle portions (85L, 85R) being secured together by a slide assembly (70L, 70R) and a lever assembly (71L, 71R) having a roller (64L, 64R) movable in an arcuate slot (66L, 66R); pivotal inhibit means (48L, 48R, and 49L, 49R) for inhibiting motion of the roller (64L, 64R) within the slot (66L, 66R) when the engines are not properly configured; means (31L, 31 R, 60L, 60R, 58L, 58R, 55L, 55R) for disengaging said inhibit means when the engines are properly configured; a plurality of resolvers (30L, 30R) of opposite hand and disposed at different distances from the pivot axis (44) of the control levers (24L, 24R) and interconnected to respective ones of the cranks (42L, 42R) by linkage assemblies (29L, 29R) of different lengths; with said control levers (24L, 24R) and associated operating components being mounted within a thin, compact housing (22).
대표청구항▼
In a modular thrust control lever assembly for controlling forward/reverse thrust generated by an aircraft engine and of the type including an electric/electronic engine thrust control system, an inhibit mechanism for preventing inadverent or premature establishment of at least one of forward and re
In a modular thrust control lever assembly for controlling forward/reverse thrust generated by an aircraft engine and of the type including an electric/electronic engine thrust control system, an inhibit mechanism for preventing inadverent or premature establishment of at least one of forward and reverse engine thrust comprising, in combination: (a) housing; (b) a control lever assembly pivotally mounted within said housing for fore and aft pivotal movement in single vertical plane, said control lever assembly including laterally projecting roller means mounted thereon and being pivotable between an intermediate forward idle thrust position and a maximum forward thrust limit position and between an intermediate reverse idle thrust position and a maximum reverse thrust limit position; (c) movable inhibit means normally mounted in the path of movement of said laterally projecting roller means on said control lever assembly between at least one of the maximum thrust limit positions of said assembly and the adjacent intermediate idle thrust position, said movable inhibit means being cooperatively engagable with said laterally projecting roller means for preventing movement of said control lever assembly from said adjacent intermediate idle thrust position to said at least one maximum limit thrust position when the engine controlled thereby is not properly configured for the particular thrust condition to which said control lever assembly is being shifted; (d) said electric/electronic engine thrust control system including means for reconfiguring the thrust controls of said engine upon movement of said thrust control lever assembly to said adjacent intermediate idle thrust position and for generating an output signal indicative of reconfiguration of said engine thrust conditions; and (e) means responsive to said output signal for shifting said inhibit means out of the path of movement of said control lever assembly from said adjacent thrust idle position to said one maximum thrust limit position whereby the cooperative engagement between said inhibit means and said laterally projecting roller means on said control lever assembly readily permits of ease of shifting said inhibit means under all operating conditions.
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