Single lever power control

Abstract

A single lever system including a condition cable controlling mechanism configured for controlling adjustment of a condition cable, a power cable controlling mechanism configured for controlling adjustment of a power cable, and a single lever coupled to the condition cable controlling mechanism and to the power cable controlling mechanism. The condition cable controlling mechanism prevents adjustment of the condition cable when the lever is controlling adjustment of the power cable. The power cable controlling mechanism prevents adjustment of the power cable when the lever is controlling adjustment of the condition cable.

1 - 9 . (canceled) 
     
     
         10 . A single control lever system comprising:
 a condition cable controlling mechanism configured for controlling adjustment of a condition cable;   a power cable controlling mechanism configured for controlling adjustment of a power cable;   a lever coupled to the condition cable controlling mechanism and to the power cable controlling mechanism;   wherein the condition cable controlling mechanism prevents adjustment of the condition cable when the lever is controlling adjustment of the power cable, and   wherein the power cable controlling mechanism prevents adjustment of the power cable when the lever is controlling adjustment of the condition cable.   
     
     
         11 . The system of  claim 10 , wherein the condition cable controlling mechanism comprises:
 a condition arm coupled to the condition cable;   a condition latch; and   a biasing device configured to bias the condition latch toward the condition arm so as to prevent movement of the condition arm when the lever is controlling adjustment of the power cable.   
     
     
         12 . The system of  claim 10 , further comprising:
 a first rod providing a first axis of rotation about which the lever is configured to rotate; and   a second rod providing a second axis of rotation about which the lever is configured to rotate, wherein the first axis differs from the second axis.   
     
     
         13 . The system of  claim 12 , wherein the lever is pivotally coupled to the second rod so as to be movable between a first position to engage the condition cable controlling mechanism and a second position to engage the power cable controlling mechanism, wherein the power cable controlling mechanism prevents adjustment of the power cable when the lever is in the first position and the condition cable controlling mechanism prevents adjustment of the condition cable when the lever is in the second position. 
     
     
         14 . The system of  claim 13 , wherein the power cable control mechanism further comprises a power arm coupled to the power cable and rotatable about the first rod, and wherein the lever includes a cam that engages the power cable control mechanism when the lever is in the first position so as to prevent the power arm from rotating about the first rod when the lever is in the first position. 
     
     
         15 . The system of  claim 13 , wherein the condition cable controlling mechanism further comprises a condition arm coupled to the condition cable and rotatable about the first rod, and wherein the lever further comprises a condition pin that engages a slot formed in the condition arm when the lever is in the first position such that the condition arm rotates about the first rod when the lever rotates about the first rod. 
     
     
         16 . The system of  claim 13 , wherein the power cable controlling mechanism further comprises a power arm with a power arm drive receiver, the power arm being coupled to the power cable and rotatable about the first rod, and wherein the lever further comprises a power arm drive that engages the power arm drive receiver when the lever is in the second position such that the power arm rotates about the first rod when the lever rotates about the first rod. 
     
     
         17 . A single control lever system comprising:
 a condition cable controlling mechanism configured for controlling adjustment of a condition cable;   a power cable controlling mechanism configured for controlling adjustment of a power cable;   a lever coupled to the condition cable controlling mechanism and to the power cable controlling mechanism, the lever being movable between a first position to engage the condition cable controlling mechanism and a second position to engage the power cable controlling mechanism;   wherein the power cable controlling mechanism prevents adjustment of the power cable when the lever is in the first position, and   wherein the condition cable controlling mechanism prevents adjustment of the condition cable when the lever is in the second position.   
     
     
         18 . The system of  claim 17 , wherein the condition cable controlling mechanism comprises:
 a condition arm coupled to the condition cable;   a condition latch; and   a biasing device configured to bias the condition latch toward the condition arm so as to prevent movement of the condition arm when the lever is in the second position.   
     
     
         19 . The system of  claim 17 , further comprising:
 a first rod providing a first axis of rotation about which the lever is configured to rotate; and   a second rod providing a second axis of rotation about which the lever is configured to rotate between the first and second position, wherein the first axis differs from the second axis.   
     
     
         20 . The system of  claim 17 , wherein the power cable control mechanism further comprises a power arm coupled to the power cable, and wherein the lever includes a cam that engages the power cable control mechanism when the lever is in the first position so as to prevent rotation of the power arm when the lever is in the first position. 
     
     
         21 . The system of  claim 17 , wherein the condition cable controlling mechanism further comprises a condition arm coupled to the condition cable, and wherein the lever further comprises a condition pin that engages a slot formed in the condition arm when the lever is in the first position such that the condition arm rotates about a first axis when the lever rotates about the first axis. 
     
     
         22 . The system of  claim 21 , wherein the condition cable controlling mechanism further comprises:
 a condition latch; and   a biasing device configured to bias the condition latch to engage the slot so as to prevent movement of the condition arm when the lever is in the second position;   wherein the condition pin is configured to prevent the condition latch from engaging the slot when the lever is in the first position.   
     
     
         23 . The system of  claim 17 , wherein the power cable controlling mechanism further comprises a power arm with a power arm drive receiver, the power arm being coupled to the power cable, and wherein the lever further comprises a power arm drive that engages the power arm drive receiver when the lever is in the second position such that the power arm rotates about a first axis when the lever rotates about the first axis. 
     
     
         24 . A control system for an aircraft with an engine, the control system comprising:
 a condition cable controlling mechanism for controlling fuel delivery to the aircraft engine;   a power cable controlling mechanism for controlling the revolutions per minute of the aircraft engine;   a lever movable between a first position to engage the condition cable controlling mechanism and a second position to engage the power cable controlling mechanism;   wherein the power cable controlling mechanism prevents adjustment of the power cable when the lever is in the first position, and   wherein the condition cable controlling mechanism prevents adjustment of the condition cable when the lever is in the second position.   
     
     
         25 . The control system of  claim 24 , wherein the condition cable controlling mechanism further comprises
 a condition arm coupled to a condition cable, wherein adjustment of the condition cable adjusts the fuel delivery to the aircraft engine;   a condition latch; and   a biasing device configured to bias the condition latch toward the condition arm so as to prevent movement of the condition arm when the lever is in the second position.   
     
     
         26 . The control system of  claim 24 , further comprising:
 a first rod providing a first axis of rotation about which the lever is configured to rotate; and   a second rod providing a second axis of rotation about which the lever is configured to rotate between the first and second position, wherein the first axis differs from the second axis.   
     
     
         27 . The control system of  claim 24 , wherein the power cable control mechanism further comprises a power arm coupled to a power cable, wherein adjustment of the power cable adjusts the revolutions per minute of the aircraft engine, and wherein the lever includes a cam that engages the power cable control mechanism when the lever is in the first position so as to prevent rotation of the power arm when the lever is in the first position. 
     
     
         28 . The control system of  claim 24 , wherein the condition cable controlling mechanism further comprises a condition arm coupled to a condition cable, wherein adjustment of the condition cable adjusts the fuel delivery to the aircraft engine, and wherein the lever further comprises a condition pin that engages a slot formed in the condition arm when the lever is in the first position such that the condition arm rotates about a first axis when the lever rotates about the first axis. 
     
     
         29 . The control system of  claim 24 , wherein the power cable controlling mechanism further comprises a power arm with a power arm drive receiver, the power arm being coupled to a power cable, and wherein the lever further comprises a power arm drive that engages the power arm drive receiver when the lever is in the second position such that the power arm rotates about a first axis when the lever rotates about the first axis.