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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 7284984 | Automatic longitudinal pitch trim in aircraft combat simulation An AutoTrim function automatically adjusts the trim of the elevator of a simulated aircraft to compensate for pitching moments that are not caused by a user affirmatively controlling the elevator. A flight simulator program determines a sum of the pitching moments a... | 10/23/2007 |
| 7281418 | System and method of measuring weight of passengers and luggage, and weight distribution of aircraft In certain example embodiments there is provided a method and/or system for operating an aircraft, including (a) before an aircraft is loaded with passengers and luggage, performing a first measuring to measure a load on front landing gear strut(s) and rear landing ... | 10/16/2007 |
| 7226018 | Landing gear method and apparatus for braking and maneuvering Aircraft landing gear comprised of a wheel hub motor/generator disks stack, includes alternating rotor and stator disks mounted with respect to the wheel support and wheel. The invention can provide motive force to the wheel when electrical power is applied, e.g. pr... | 06/05/2007 |
| 7000465 | Attitude error self-correction for thermal sensors of mass flow meters and controllers A system for and method of compensating for attitude sensitivity of at least two thermal sensor coils mounted on a tube through which a fluid flows along a common axis of flow for use in generating a flow measurement signal representative of the flow of fluid throug... | 02/21/2006 |
| 6934611 | Vehicle stability operator feedback system System for monitoring vehicle operating conditions and parameters and issuing warnings to the operator when a predetermined vehicle status is present. The predetermined vehicle status includes a variety of unsafe driving conditions and is responsive to a changing ce... | 08/23/2005 |
| 5571953 | Method and apparatus for the linear real time estimation of an aircraft center of gravity A method and apparatus for the real time estimation of the location of the center of gravity in an aircraft using a linear estimation technique. The center of gravity estimate is used in the aircraft's flight control system (12) to implement flight contro... | 11/05/1996 |
| 5521827 | On-board aircraft weighting and center of gravity determing apparatus and method An apparatus for determining the weight and/or center of gravity of an aircraft is disclosed and includes a plurality of fittings attached to each oleo strut on the aircraft for accessing the working fluid in the oleo strut, a computer, a first, electroni... | 05/28/1996 |
| 5167385 | Aircraft and system and method for operating thereof An aircraft and a method and system for operating thereof as force/moment sensors integrated in elastic connecting joints of parts and units of the aircraft. The various force/moment components determined by the sensors are processed in order to generate ... | 12/01/1992 |
| 5034896 | Method and apparatus for real time estimation of aircraft center of gravity Disclosed is a method of and an arrangement for real time estimation of the location of the center of gravity of an aircraft. The center of gravity estimate is utilized in an aircraft flight control system for effecting flight control laws in which the ce... | 07/23/1991 |
| 4949269 | Process and system for determining the longitudinal position of the center of gravity of an aircraft provided with an adjustable horizontal stabilizer Method and system for determining the longitudinal position of the gravity center of an aircraft having an adjustable stabilizer. At a flight point for which the aircraft is in equilibrium with its elevator in aerodynamic prolongation of the adjustable st... | 08/14/1990 |
| 4937754 | Process and system for determining the longitudinal position of the center of gravity of an aircraft provided with an adjustable horizontal stabilizer and application to the monitoring of said center of gravity near the focus of the aircraft Method and system for determining the longitudinal position of the gravity center of an aircraft provided with an adjustable stabilizer. At a point of flight for which the aircraft is in equilibrium with its elevator in aerodynamic prolongation of the adj... | 06/26/1990 |
| 4935885 | Method and apparatus for determining weight and center of gravity of a vehicle An apparatus for use in determining the weight and the location of the center of gravity of a vehicle, particularly an aircraft prior to its taking off, comprising in combination at least one load-measuring device secured in a roadway or support for the v... | 06/19/1990 |
| 4782706 | Holding device for mounting an electric transducer A holding device for mounting a shear strain gauge 14 in an airplane axle 1 in which the shear strain gauge 14 consists of a coil part 18 with two magnet coils 19 spaced apart from each other and of a disk part 20. The disk part 20 has a disk 21 which, in... | 11/08/1988 |
| 4639872 | Method and apparatus for determining weight and center of gravity of a vehicle An apparatus for use in determining the weight and the location of the center of gravity of a vehicle, particularly an aircraft prior to its taking off, comprising in combination at least one load-measuring device secured in a roadway and adapted for cont... | 01/27/1987 |
| 4622639 | Aircraft center of gravity and fuel level advisory system An aircraft center of gravity and fuel level advisory system connected to the aircraft's fuel tank gauges and operated by an aircraft personnel. The system provides the aircraft's personnel with real time display of the aircraft's center of gravity and a ... | 11/11/1986 |
| 4545019 | Aircraft in-flight center of gravity measuring system In order to determine the location of the center of gravity of an aircraft in flight, an accelerometer is placed in the forward part of the aircraft and another is placed in the after part to produce signals representing the rotation of aircraft about an ... | 10/01/1985 |
| 4502555 | Portable weighing system for aircraft This portable weighing system for aircraft includes a plurality of individual load cells which are connected to a central computing and display unit capable of storing dimensional characteristics of commonly encountered aircraft. The computer within the c... | 03/05/1985 |
| 4463428 | Aircraft weight and center of gravity cockpit readout system An aircraft system which provides the pilot with a continuous cockpit reat of the weight and center of gravity of an aircraft carrying an externally lifted load together with the impact on aircraft controllability of load shifts and fuel burnoff, by tran... | 07/31/1984 |
| 4312042 | Weight, balance, and tire pressure detection systems A weight and balance system for an aircraft or the like which measures the bend in a structural member of the aircraft, such as a landing gear element or a wing or fuselage section, by use of inclinometers mounted to the member and each having a signal ou... | 01/19/1982 |
| 4225926 | Apparatus for loading and unloading an aircraft and ascertaining the weight of the load The present apparatus is used for ascertaining the individual weight of any type of load including that of passengers and of hand baggage, that is added to the total payload of an aircraft. Each individual weight is ascertained and, if desired, displayed ... | 09/30/1980 |
| 4224597 | System for detecting underinflated tire in a rolling vehicle The speeds of two wheels are detected by means of wheel speed transducers associated with each wheel, each producing a DC voltage signal proportional to the respective wheel speed. The circuit includes two electric comparators, each having two inputs and ... | 09/23/1980 |
| 4110605 | Weight and balance computer apparatus for aircraft Aircraft weight and balance computer apparatus processes sensor outputs to generate an electrical signal that is proportional to aircraft gross weight at the time take-off thrust is initially applied to the aircraft on the runway and continually updates t... | 08/29/1978 |
| 4034334 | Airfoil position range selecting, indicating and warning system for an aircraft To assure takeoff controllability of aircraft of the type having movably mounted stabilizers, a plurality of different stabilizer position ranges are established, any one of which may be selected by a range selector switch operated by the pilot. Proper pi... | 07/05/1977 |
| 4032083 | Automatic gain control for stability augmentation systems The gain of a stability augmentation system for an aircraft, particularly a helicopter, is automatically varied in accordance with the gross weight and deviations of the center of gravity of the aircraft. Gross weight and center of gravity are identified ... | 06/28/1977 |
