Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB19624/44A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raytheon Technologies Corp
Original Assignee
United Aircraft Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by United Aircraft CorpfiledCriticalUnited Aircraft Corp
Publication of GB589298ApublicationCriticalpatent/GB589298A/en
B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
B64C11/30—Blade pitch-changing mechanisms
B64C11/38—Blade pitch-changing mechanisms fluid, e.g. hydraulic
B64C11/42—Blade pitch-changing mechanisms fluid, e.g. hydraulic non-automatic
Landscapes
Engineering & Computer Science
(AREA)
Aviation & Aerospace Engineering
(AREA)
Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints
(AREA)
Control Of Velocity Or Acceleration
(AREA)
Abstract
589,298. Variable - pitch propellers. UNITED AIRCRAFT CORPORATION. Oct. 11, 1944, No. 19624. Convention date, Nov. 26, 1943. [Class 114] In an emergency, the control valve 5 of a hydraulic control system is shifted by energizing the reversible electric motor 60, driving the gearing 71, through a screw gear and magnetic clutch 57. Under normal working the valve is shifted by the hydraulic ram 23, under the control of the governor 27.
GB19624/44A1943-11-261944-10-11Improvements in or relating to control for variable pitch propellers
ExpiredGB589298A
(en)