Matches 151 - 200 out of 227 < 1 2 3 4 5 >
Match Document Document Title
4531417 Hinge-type angle setting device  
The invention relates to an angle setting device of hinge type, especially for use in model airplanes. Two hinge members (3,5) are jointed to each other via pins (6). An actuator (1) is pivotable,...
4498647 Surface hold-down mechanism  
A mechanical biasing device to drive an aircraft control surface to a predetermined position relative to the main airfoil, either directly or indirectly through a linkage system, while also...
4497461 Snubbing apparatus for an aircraft control surface actuator  
A snubber (12) includes a fixed member (14) and a movable member (16). A variable volume chamber (20) is defined between these two members (14, 16). The chamber (20) includes an orifice (22). A...
4494716 Wing flap assembly and aircraft provided therewith  
A wing flap assembly, in which each flap (1, 2) has its own suspension and drive mechanism (3-6) and in which two adjacent flaps substantially in line with each other have a part (16) connected for...
4489907 Selectively integrated throttle spoiler actuator for aircraft  
A system for altering the lift/drag characteristics of powered general aviation aircraft whereby flight path control may be exercised. The control device operates in conjunction with such lift/drag...
4483498 Flight control surface coupling system  
A flight control surface coupling system which provides a two-element drive coupling between two control surface segments. The first element is a torsion bar that has adequate spring rate to...
4470569 Locking, redundant slat drive mechanism  
A slat system in which the slats are supported on tracks and the slats are actuated by a simple bell crank linkage oriented so that its plane of motion is parallel to the wing chord reference...
4466586 Directional control device for aircraft  
A yaw control arrangement for tailless aircraft utilizing a plurality of rudder-like surfaces which are normally retracted into the surface of an aircraft wing and extended only momentarily on...
4441675 High lift surface actuation system  
A drive system for high-lift devices on aircraft having two power drive units, one at each end of the connecting torque tube system, so as to force sum the outputs. A one-way brake always insures...
4405105 Airfoil flap actuation  
A rear-edge flap is held on an aircraft wing by means of two pantograph-like guide systems carrying swivel heads on which the flap is pivoted. Control arms extend from the guide systems to cause...
4391424 Method and structure for airfoil thrust and lift control  
A method and structure for selectively conducting pressurized gas flow over the upper surface of an airfoil, the airflow being selectively directable either rearward through a spanwise outlet to...
4372507 Selectively actuated flight simulation system for trainer aircraft  
This invention generally concerns an aircraft useful for training pilots, and specifically involves providing a trainer aircraft having high to moderate aspect ratio wings with selectively operable...
4349169 Continuous force actuator  
A continuous force actuator having a housing, a pair of slidably mounted T-shaped pistons therein and a plurality of resilient, hollow pressure tubes surrounding each of the pistons. The insertion...
4335671 Flap leading edge for hydrofoil vessels and the like  
An improved leading edge contour for control flaps of the type suitable for use with hydrofoil vessels and the like wherein discontinuities or gaps between the leading edge of the flap and the...
4334658 Stalling aerodynamics of the Cessna models 150 and 152 series aircraft  
A pair of metallic strips are provided for the improvement in the stalling aerodynamics of the Cessna Series 150 and 152 aircraft, especially during conditions which would otherwise generate an...
4305177 Hinge assembly for controllable surfaces  
A hinge assembly between a lifting foil (12) and an associated flap (14) wherein the flap (14) includes a series of sections (20, 22). In one embodiment, each section (20,22) may be rotatably...
4284254 Low profile precision actuator  
A precision actuator of minimum thickness which provides high output force with low input torque and includes a single-piece metallic rhombus with a drive assembly made up of a right-hand threaded...
4273006 Aircraft horizontal stabilizer drive  
A mechanical power transmission apparatus, of the differential gear type, for actuating an airplane control surface requiring two independent actuator inputs to a single control surface....
4272046 Hydraulic actuator mechanism to control aircraft spoiler movements through dual input commands  
The present invention is in the field of aircraft flight spoiler control mechanisms. The invention enables the conventional, primary spoiler control system to retain its operational characteristics...
4270712 Method and apparatus for rolling control of airplanes by means of spoilers  
This invention relates to a method for rolling control of an airplane by means of spoilers mounted at lift surfaces, which comprises subdividing the entire control range into a plurality of firmly...
4261533 All-axis control of aircraft in ultra deep stall  
Tilting the stabilizer at an extreme angle to the fuselage, with leading edge down, and controlling and varying engine thrust comprise a method for all-axis control of a generally conventional...
4260121 Drive arrangement for lift control surfaces on all aircraft wings  
A drive arrangement for lift control surfaces on an aircraft wing has a drive motor and a shaft for transmitting motion from the motor to the lift control surfaces. A control circuit is responsive...
4256277 Actuator system for aircraft control surfaces  
An actuator system for use in symmetrically positioning of control surfaces on opposite sides of an aircraft includes a primary load path for providing power to ball-screw mechanisms for moving the...
4248105 Horizontal stabilizer drive  
A mechanical power transmission apparatus, of the differential gear type, for actuating an airplane control surface requiring two independent actuator inputs to a single control surface. Asymmetric...
4243189 Temperature stabilized linkage  
A temperature compensated passive linkage for interconnecting two members having different coefficients of expansion. Preferably the linkage is utilized for interconnecting the stabilizer of a...
4230295 Device to support rudders and trailing edge flaps of aircraft and watercraft  
A supporting device is disclosed for an arrangement of articulated elements such as a fin-rudder arrangement, wing-trailing edge flap arrangement, and the like, for aircraft or watercraft. The...
4227665 Fixed leading edge slat spoiler for a horizontal stabilizer  
A horizontal stabilizer structure for improved stabilizer performance at positive and negative angles of attack is disclosed in which a leading edge slat/spoiler extending lengthwise along the...
4213587 Hinge arrangement for control surfaces  
A hinge arrangement between a lifting foil and a flap. The flap comprises a plurality of sections. Each section is mounted by one coupling restraining hinge device to the foil, the hinge device has...
4181275 Apparatus for operating flap means secured to the wing of an aircraft  
A flap such as an aileron or a landing flap is operatively secured to the rear edge of an aircraft wing in such a manner that the wing construction itself may be thin in the direction...
4143839 Apparatus for combating rolling movements of aircraft  
The apparatus operates to prevent the rolling of an aircraft having an even number of propulsion units when one of the propulsion units stops operating due to a breakdown. Spoilers are mounted on...
4142699 Lateral control system  
Apparatus including a spoiler quadrant coupled to the aileron cable control system of the aircraft, rotation of which spoiler quadrant in either direction causes a bell crank to rotate about its...
4121795 Brake device for use in a remote actuation system  
A braking device for a remote actuation system includes a plurality of balls or rollers interposed between a surface of a rotary member and a notched external surface of a housing. A cage for the...
4120470 Efficient trailing edge system for an aircraft wing  
A trailing edge system including spoilers and flaps in which the spoilers serve as both spoilers and as fairing surfaces which 1) maintain smooth upper wing surface contours for all flap positions...
4099687 All-axis control of aircraft in deep stall  
Tilting the stabilizer at an extreme angle to the fuselage, with leading edge down, and varying engine thrust comprise a method for all-axis control of a generally conventional aircraft in deep...
4087065 Electrical control system for actuating inboard spoilers on aircraft  
An electrical system for actuating the inboard spoilers on the wings of an aircraft in response to the lateral control input from the pilot control wheel and to the position of the pilot speed...
4071208 Mechanical mixer for controlling aircraft spoilers  
In a system for positioning the spoilers on the port and starboard wings of an aircraft, a mechanical mixer that incorporates a three-dimensional cam receives pilot-controlled roll (control wheel)...
4046338 Airfoil for aircraft having improved lift generating device  
An airfoil for an aircraft having a first surface extending between the leading edge and the trailing edge, and a second surface joined to the first along the leading edge and projecting rearwardly...
4039161 Hidden vortex generators  
An improvement to the controllability of aircraft wherein vortex generators are connected to a control surface in front of the hinge line of the control surface so that when the control surface is...
4039162 Spoiler control system  
Control system for aircraft wing spoilers in which the amount of centering moment provided by the downwardly moving or aerodynamically inactive spoiler is increased as the aircraft flaps are...
4017041 Airfoil tip vortex control  
Device for diminishing tip vortices in an aircraft. For the purpose of diminishing the tip vortices generated by aircraft there are provided retractable foils at or near the airfoil, as wing, tips...
4014481 Towed craft for representing aerial targets  
A target aircraft adapted to be towed by an airplane, comprising a fuselage, a tail assembly, two pairs of wings mounted on the fuselage in a cross-like configuration, spoilers mounted in each of...
3986689 Drive arrangements for aircraft control surfaces  
A drive arrangement for an aircraft control surface has an inner shaft extending through a hollow outer shaft. The inner and outer shafts are drivingly connected at their adjacent ends. A drive...
3944170 Apparatus for producing pivotal movement  
An apparatus for causing relative movement of first and second structures about a pivot axis is disclosed wherein a rotatable, elongated member has first and second portions which respectively...
3935754 Failure detector and indicator for aircraft flap actuation system  
Detecting and indicating the failure of the primary drive train of a flap actuator system that includes primary and secondary drive trains driven by a common power supply is disclosed. When the...
3897029 Variable camber multi-slotted flaps  
An airfoil is specified with a double slotted leading edge flap having two members and adapted to be used together with a multi-slotted trailing edge flap. The leading edge flap uses two slots for...
3880384 Direct lift control of aircraft  
A direct lift control device for an aircraft of the type having externally blown flaps comprises two fences, one on either side of an axis of an engine jet efflux impinging on a flap, each fence...
3831887 AIRCRAFT CONTROL METHODS  
Method of apparatus operation are disclosed for advantageously developing fluid-reaction lift control and also attitude control in improved manners in aircraft systems of the type capable of...
3830451 AIRCRAFT CONTROL SYSTEM  
Apparatus is disclosed for advantageously developing longitudinal, lateral, and directional attitude control and also lift control in improved manners in aircraft systems of the type capable of...
3776491 AIRCRAFT WITH COMPOUND WING  
An aircraft is provided with a compound wing which includes a main wing with one or more auxiliary wings. The auxiliary wings are attached to the main wing by positioning means which may be...
3767140 AIRPLANE FLAPS  
A flap and linkage system for a STOL (short takeoff and landing) aircraft having swept tapered wings. The flap linkage fairings are streamlined and the flaps move basically aft in the airstream...
Matches 151 - 200 out of 227 < 1 2 3 4 5 >