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Aircraft autothrottle system

  • US 5,188,316 A
  • Filed: 12/30/1991
  • Issued: 02/23/1993
  • Est. Priority Date: 12/30/1991
  • Status: Expired due to Fees
First Claim
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1. In a throttle control system for an aircraft having a throttle control lever and automatic control means for automatically controlling the positioning of said lever wherein the improvement comprises means for alternatively connecting said lever to said automatic control means for control of the throttle thereby or disconnecting said lever from said automatic control means to enably manual control of said lever comprising:

  • a first plate member connected to said control lever,a second plate member connected to said automatic control means,a clutch mechanism for alternatively either connecting said first and second plate members together or disconnecting said plate members from each other, said clutch mechanism including wedge member means having a surface which abuts against one of said plate members, roller member means which abuts against the other of said plate members, said wedge member means having a wedge shaped surface positioned directly opposite said roller member means, andmeans responsive to manual actuation for alternatively engaging or disengaging said clutch mechanism by driving said wedge member means, said roller member means and said first and second plate members into locking engagement with each other to interconnect the control lever and the automatic control means or releasing the driving of said plate members and said wedge and roller member means from locking engagement thereby disconnecting the control lever from said automatic control means to permit manual control thereof.

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