| Patent Number |
Title Of Patent |
Date Issued |
| RE34082 |
Variable threshold wind shear warning system |
September 29, 1992 |
| An improved wind shear warning system for aircraft. A wind shear signal representing wind shear as modified by the downdraft drift angle of the aircraft is used to provide a warning signal when the wind shear signal exceeds (negatively) a variable threshold. The threshold for the warning |
| D287961 |
Boat hull |
January 27, 1987 |
|
| 7262712 |
Helicopter tactile exceedance warning system |
August 28, 2007 |
| A helicopter tactile accedence warning system includes a control stick and a tactile warning device attached to the control stick. A computer or micro processor and a keyboard for entering a safe temperature profile are also provided as well as a thermocouple for measuring the turbine |
| 7126496 |
Tactile cueing system and method for aiding a helicopter pilot in making landings |
October 24, 2006 |
| A tactile warning system for warning a helicopter pilot of a pre-selected altitude during a landing maneuver includes a collective control arm for control of the aircraft and a tactile warning device operatively connected to the collective control arm. The system includes a radio alt |
| 7082769 |
Helicopter turbine engine protection system |
August 1, 2006 |
| A helicopter having a helicopter turbine engine disposed therein includes an over-stress protection system. The over-stress protection system includes a computer for storing data and an input such as a keyboard for inputting a safe temperature profile for starting the turbine engine. A |
| 6819266 |
System and method for reducing the speed of an aircraft |
November 16, 2004 |
| An aircraft system for reducing the airspeed of an aircraft as it passes through a preselected altitude includes an automatic throttle system including a computer, a device for inputting a preselected altitude and a preselected airspeed into the computer. An altimeter provides the curren |
| 6676088 |
Flare control system |
January 13, 2004 |
| An aircraft flare control system for semi-automatically controlling the pitch and thrust of an aircraft during landing is disclosed. The system includes a flight director and indication of the pitch angle of an aircraft during a landing maneuver and a flare computer. The flare comput |
| 6666623 |
Buoyancy control device and method for controlling divers ascent |
December 23, 2003 |
| A buoyancy control device includes a buoyancy compensator to be worn by a scuba diver, a compressed air tank, a depth or pressure gauge and a valve connecting the buoyancy compensator and compressed air tank for releasing air into and out of the buoyancy compensator. A microprocessor is |
| 6611748 |
Engine synchronization system |
August 26, 2003 |
| An engine synchronization system for a pair of turbo jet engines in a twin jet aircraft includes a subsystem for selecting a power output, a signal generator for producing a first output signal in response to the speed of a first engine and a signal generator for producing a second outpu |
| 6575410 |
Glide slope tracking system |
June 10, 2003 |
| An airborne glide slope tracking system includes a radio altimeter for producing a signal indicative of the instantaneous altitude of the aircraft and a glide slope error indicator for producing a signal indicative of the angular deviation from glide slope. The two signals are multip |
| 6454724 |
Sleep apnea detection system and method |
September 24, 2002 |
| An apnea monitor and alarm for monitoring the breathing of an individual and for sounding an alarm in response to an interruption in the cyclical rhythm of breathing is disclosed. The monitor and alarm includes a respiration detector, an alarm and a signal processor and analyzer. The |
| 6450456 |
Airborne safe landing power control system and method |
September 17, 2002 |
| An airborne power control system for automatically controlling the power of an aircraft during landing is disclssed. The system includes a computer and a minimum airspeed program as a function of altitude. A radio altimeter or the like senses the instantaneous altitude of the aircraft |
| 6212874 |
Propulsion system |
April 10, 2001 |
| A propulsion system or aircraft engine for a helicopter or other aircraft includes an aerodynamic pod with a forward facing inlet for receiving a flow of ram air and a rearwardly facing exhaust or outlet. The system also includes a vertical shaft and one or more rotatable turbine assembl |
| 6002349 |
Helicopter anti-torque limit warning device |
December 14, 1999 |
| A pilot warning system is disclosed for a helicopter having a main rotor rotatable about a yaw axis, a fuselage connected to the main rotor and having a tail boom with a controllable force mechanism to counter-act the torque exerted on the fuselage by rotation of the main rotor. The pilo |
| 6002348 |
Pilot's aid for detecting power lines |
December 14, 1999 |
| An airborne power line detector and warning system includes a low frequency radio and antenna for detecting an AC signal of about 50 to 60 hertz. The system also includes a subsystem for producing a unique audio signal such as a series of clicks for warning a pilot that he is flying clos |
| 5986582 |
Helicopter rotor/engine warning system |
November 16, 1999 |
| A two-stage alarm for a rotary wing aircraft, such as a helicopter which operates on a collective control arm. A moveable mass or weight is operatively connected to the collective control arm. The moveable weight may be of a reciprocating type or a rotor driven mass which is mounted |
| 5982300 |
Airplane safe take-off rotation indicator |
November 9, 1999 |
| A device for indicating that an airplane has reached a safe speed in the presence of headwinds for initiating take-off rotation. The device senses the true ground speed of the airplane and converts the true ground speed into an "indicated ground speed" in accord with the relationship bet |
| 5934873 |
Helicopter rotor tip jet |
August 10, 1999 |
| A helicopter includes a rotor tip jet engine which combines ram compression and centrifugal compression to increase the thrust. A first flow of fuel is dispersed in the ram air and is carried into a combustion area of the engine. A separate flow of fuel is injected into the centrifugally |
| 5874673 |
Air speed and direction indicating system for rotary winged aircraft |
February 23, 1999 |
| An airspeed and direction indicating system for an aircraft of the rotary wing type includes a vertical accelerometer for monitoring the up and down movement of an outer portion or tip of the rotary wing. The vertical accelerometer produces a generally sinusoidal signal in response to th |
| 5769362 |
Aircraft control mechanism for a speed brake |
June 23, 1998 |
| An aircraft control mechanism for a speed brake includes a shaft, an outer sleeve surrounding the shaft and a sprag clutch. The mechanism also includes input and output elements and a control element with the input element tied to the outer sleeve. The control element is tied to the shaf |
| 5675234 |
Multicell battery monitoring system |
October 7, 1997 |
| A continuously monitored battery operated power supply for maritime applications includes four batteries which form a parallel connected pair of banks in which the cells in each bank are series connected to each other. A Wheatstone bridge circuit connects a midpoint between the plura |
| 5613652 |
Aircraft auto throttle system |
March 25, 1997 |
| An auto throttle system for FAYDEC equipped aircraft includes a remote friction element which is separated from a pilot's console. The system also includes an auto throttle control and a manual throttle control which are mechanically coupled through the friction element. The friction |
| 5590853 |
Aircraft control system |
January 7, 1997 |
| An aircraft control system for computing a yaw compensated angle of attack is disclosed. The system includes an angle of attack sensor for generating a signal which represents an aircraft's angle of attack as determined by an angle of attack vane and a transverse accelerometer for genera |
| 5438865 |
Angle of attack sensor |
August 8, 1995 |
| A vane-type forward fuselage mounted angle of attack sensor having an internal force relief feature is disclosed. The sensor includes a cam surface having a first portion which defines a segment of a circle, a second portion which defines a curve with a decreasing radius and a should |
| 5405102 |
Foldaway aircraft air vane |
April 11, 1995 |
| An aerodynamic vane is mounted on the fuselage of an aircraft for purposes such as sensing the angle of attack of an aircraft. The vane is attached to a fuselage mounting hub by means of a deformable hinge member and a weakened linear portion of the vane which is designed to give way und |
| 5115237 |
Combination aircraft yaw/angle of attack sensor |
May 19, 1992 |
| An improved aerodynamic vane is used for sensing the angle of attack of an aircraft during yawed flight. Left and right sensors are rotatably mounted to opposite sides of the fuselage of the aircraft and rotate in the air flow to a position indicative of the angle of attack of the aircra |
| 4855738 |
Variable threshold wind shear warning system |
August 8, 1989 |
| An improved wind shear warning system for aircraft. A wind shear signal representing wind shear as modified by the downdraft drift angle of the aircraft is used to provide a warning signal when the wind shear signal exceeds (negatively) a variable threshold. The threshold for the warning |
| 4686923 |
Sailboat keel having a cantilevered trailing edge flap |
August 18, 1987 |
| A keel assembly for a sailboat, the keel assembly having wing-like appendages at the bottom of a fixed keel and having a rotatable flap located at the trailing edge of the fixed keel. The flap includes a cantilevered portion extending below the vertical portion of the keel. In operat |
| 4609987 |
Aircraft guidance system for take off or go-around during severe wind shear |
September 2, 1986 |
| A system which provides an increased minimum aircraft pitch attitude during take-off or go-around operations in the event that an unsafe wind shear condition is encountered. A control signal from a wind shear warning system, indicative of a dangerous wind shear condition, is fed to a |
| 4530060 |
Aircraft speed control system modified for decreased headwind at touchdown |
July 16, 1985 |
| An aircraft speed control system wherein the commanded lift floor (minimum lift) is increased in accordance with an anticipated decrease in headwind between headwind during final landing approach and that anticipated at touchdown. The system includes means for generating a signal which i |
| 4312071 |
Digital code error detection and alerting system |
January 19, 1982 |
| A digitally coded output is provided from a sensor, such as an aircraft angle of attack sensor. Groups of unused words from the complete unit distance table are omitted between groups of words that are selected to be used in the code, these unused words being "illegal" words indicating a |
| 4079905 |
System for providing an indication of wind shear |
March 21, 1978 |
| The output of a transducer providing a signal representing the instantaneous airspeed of an aircraft is differentiated and fed to a summing device. Also fed to the summing device are a signal representing the horizontal acceleration of the aircraft which is subtracted from the instan |
| 4059993 |
System for monitoring water flow angle relative to a boat keel |
November 29, 1977 |
| A sensing vane is placed near the leading edge of the keel of a sailboat where the water flow splits. The vane is deflected away from a "center" position (i.e., a position aligned with the keel) by the water stream as a function of the water flow angle (the angle between the heading of t |
| 4053883 |
Fixed dual beam range scanning and tracking radar with digital display |
October 11, 1977 |
| A light weight, low power radar principally adapted for use on small vehicles such as sailboats, which has a fixed antenna providing a continuous forward looking beam which provides range information and limited azimuth information in manual and automatic range scanning modes of oper |
| 4040374 |
Automatic pilot for a sailboat |
August 9, 1977 |
| An automatic pilot for a sailboat includes a mode switching arrangement which permits a person to operate the sailboat in any one of several modes. One is the STEER mode, a second is the OFF mode, a third is the STANDBY mode, a fourth is the WIND mode and a fifth is the COMPASS mode. |
| 4022150 |
Sailboat steering indicator system |
May 10, 1977 |
| An electrical signal in accordance with the direction of the wind relative to the heading of a sailboat is generated by means of a wind direction sensor and a transducer. This signal is fed to a summing device where it is summed in opposite polarity relationship with a signal in accordan |
| 4012713 |
System for providing an indication of wind shear |
March 15, 1977 |
| The output of a transducer providing a signal in accordance with the instantaneous air speed of an aircraft is differentiated and fed to a summing device which subtracts therefrom a signal in accordance with the horizontal acceleration of the aircraft, this signal being derived from |
| 4006472 |
Aircraft altitude alerting device |
February 1, 1977 |
| The drive for the indicator mechanism of an altimeter is connected so as to drive altitude marker means, the relative position of such marker means being indicative of altitude. The marker means has a marker which may be implemented by a slot formed therein to reference this position. Se |
| 3955195 |
Fixed beam radar with dual range light display providing both range and azimuth information |
May 4, 1976 |
| A radar principally for use on small vehicles such as sailboats, utilizing a fixed antenna which provides a continuous forward looking beam and has a dual range display providing range and limited azimuth information. Separate antenna elements are utilized to receive echoes in the paths |
| 3950740 |
Sump water detector with isolated probe having AC applied to its electrodes |
April 13, 1976 |
| A system for detecting the presence of water in an aircraft fuel sump with the aid of a pair of electrodes to which a detector circuit is connected. When both electrodes touch water in the sump below the fuel the detector circuit energizes a warning signal. The electrodes are connected t |
| 3946394 |
Fixed beam radar with range light display |
March 23, 1976 |
| A radar principally for use on small vehicles such as sail boats, utilizing a fixed antenna which provides a continuously forward looking beam and which provides a range display only. Utilizing digital techniques, the video representing radar echoes is gated in proper time sequence c |
| 3943764 |
Sailboat steering indicator system |
March 16, 1976 |
| An electrical signal in accordance with the direction of the wind relative to the heading of a sailboat is generated by means of a wind direction sensor and a transducer. This signal is fed to a summing device where it is summed in opposite polarity relationship with a signal in accordan |
| 3940983 |
Faraday effect fluid flow and direction indicator |
March 2, 1976 |
| A pair of concentric electrodes are mounted at one end of a housing fixedly supported on a body and positioned in a fluid, the flow of which is to be measured relative to the body. A permanent magnet is rotatably mounted in the housing proximate to the electrodes and is rotatably driven. |
