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
GB19664/37A
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D F ETS
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D F ETS
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Filing date
Publication date
Application filed by D F ETSfiledCriticalD F ETS
Publication of GB477817ApublicationCriticalpatent/GB477817A/en
B64C13/00—Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
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Engineering & Computer Science
(AREA)
Automation & Control Theory
(AREA)
Aviation & Aerospace Engineering
(AREA)
Fluid-Damping Devices
(AREA)
Abstract
477,817. Shock - absorbers. ETABLISSEMENTS D. F. July 15, 1937, No. 19664. Convention date, July 28, 1936. [Class 108 (iii)] [Also in Group XXXIII] The body 1, Figs. 2 and 3, of a radial-vane hydraulic damping device is secured to a fixed aircraft surface 9 and the spindle to a control surface 11 or vice versa in order to prevent control surface flutter. Vane 3 or body 1 may be provided with calibrated liquid transfer passages or a clearance may be left between vane and body. Vane 3 is mounted in a longitudinal groove in spindle 2 and is secured by screw 4.
GB19664/37A1936-07-281937-07-15Improvements in damping joints for control surfaces of aircraft
ExpiredGB477817A
(en)
IMPROVEMENT IN AN APPLIANCE TO RELEASE FLUID PRISONED BETWEEN A PREVIOUSLY FIXED SHUTTER AND A TEST VALVE CLOSED IN A TEST COLUMN OF A ROTARY DRILLING ROD, APPLIANCE FOR USE WITH A TEST COLUMN IN A PUNCH OF A COLUMN OF A PUNCH IN A PUNCH OF A PUMP IN A PUNCH OF A COLUMN DRILLING A WELL AND PROCESS TO TEST A FORMATION OF THE LAND THROUGH A DRILLING THAT EXTENDS FROM THE SURFACE