Class 73/187 - Rotary

Subclass of Class 73 - Measuring and testing
Definition: Logs wherein a turbine or rotary motor member is rotated
No. of patents: 37
Last issue date: 03/25/2008

Number	Title	Issue Date
7347668	Method and apparatus to determine the wind speed and direction experienced by a wind turbine An apparatus and a method used to determine the speed and direction of the wind experienced by a wind turbine are provided. The apparatus comprises at least one sensor fixed to the rotor of the wind turbine, an angular sensor to measure the angular position of the r...	03/25/2008
7147399	Apparatus for securely yet removably installing an ornament onto a substantively planar surface An apparatus for attaching ornaments onto substantially planar surfaces comprising, a mounting base with an aperture, a coupling device with attachment means and an ornament. The mounting based has a curved surface and is securely attachable to a substantially plana...	12/12/2006
7140320	Device for holding the log transmitter of a boat speedometer A device for holding a boat speedometer log transmitter in a boat hull has a sleeve body fixed in a perforation in the hull with a longitudinal center opening for removably inserting and retaining the log transmitter in a watertight manner. A head part is coupled to...	11/28/2006
7121904	Water jet propulsion watercraft A water jet propulsion watercraft that allows accurate speed detection of a speed detection unit to be achieved. A water jet propulsion watercraft includes a hull bottom plate with left and right guide grooves for guiding water rearwardly of the hull. The left and r...	10/17/2006
7095221	Doppler radar sensing system for monitoring turbine generator components The invention provides a sensing system and a method for monitoring the damage to turbine components in a turbine generator. The sensing system comprises an electromagnetic wave generator that generates an electromagnetic wave; a transmitter that transmits the gener...	08/22/2006
6938506	Sensor head apparatus A sensor head apparatus is configured to include a plurality of sensor ports each configured to receive and electrically interconnect with a sensor head component. The sensor head is further configured to be connectable to a housing for a multi-parameter monitoring ...	09/06/2005
6938472	Static pressure calculation from dynamic pressure for rotary air-data system and methodology therefor A Rotary Air-data System (RADS) periodically samples pressure data from a main rotor blade mounted pitot-scoop integrated with a high accuracy pressure sensor to compute a velocity vector that is resolvable into the aircraft's coordinate system. Mathematical techniq...	09/06/2005
6904798	Multi-functional marine sensing instrument A marine sensor device mounts in a single opening in a hull of a marine vessel. The sensor includes a housing secured in the opening. Positioned within the housing is a body containing at least two sensors. The body is removable from the housing. A magnetized paddle...	06/14/2005
6676461	Speed detecting device mounting structure for a vessel To provide a speed detecting device mounting structure for a vessel in which a paddle is prevented from being entangled with rubbish and seaweed in the sea, and the paddle is prevented from being damaged or picking-up mud or the like from the sea bottom. ...	01/13/2004
5699749	Exhaust system, hull, and speed indicator for watercraft A personal watercraft exhaust system, hull underplate, and speed sensor and sponson arrangement. The exhaust system for the engine provides a compact assembly that incorporates a pair of expansion chamber devices on opposite sides of the tunnel to provide...	12/23/1997
5606253	Guided flow marine speedometer including angularly shaped housing for guiding water to a paddlewheel sensor at that angle A marine speedometer for mounting to the exterior transom of a marine vessel includes a housing mounted to the transom flush with the bottom surface of the hull. A paddlewheel affixed to the housing has an outer periphery which extends no further than the...	02/25/1997
5581025	Marine instrument A through-hull speed sensor of the magnetized paddlewheel sensor type wherein a paddlewheel is rotatably supported in a cavity adjacent a magnetic sensing device which generates electrical pulses corresponding to paddlewheel speed as the wheel rotates whe...	12/03/1996
5483828	Speed indicator for marine vehicles A speed indicator for marine vehicles is mounted on the lower transom area of such a vehicle and includes an impeller. The impeller rotates at an angular velocity dependant on the speed of marine vehicle relative to the water. A mounting bracket secures t...	01/16/1996
5369360	Recessed paddle wheel speed measuring device for personal watercraft A speed measuring device for use with shallow draft jet pump propelled boats includes a magnetized paddle wheel with diametrically opposed paddles having similar charges and adjacent paddles having opposite charges which is mounted in a housing adjacent a...	11/29/1994
5366394	Speed detecting system for marine propulsion unit An improved speed detecting system for a marine propulsion unit that can be integrated into the unit and which comprises an element driven by water flow contained within the propulsion unit and means for generating a digital electrical signal depending up...	11/22/1994
5313834	Phased array sonic transducers for marine instrument A low cost phased array sonic transducer is described in which an array of transducer elements separated by spacers are held within a frame which applies a compressive force transverse the length of the elements....	05/24/1994
5187978	Knotmeter impeller eliminator system A knotmeter impeller eliminator system is provided which includes a circuit that simulates the pulsed output of an impeller-type transducer system by generating pulses having a pulse repetition rate corresponding to speed, with the speed being derived fro...	02/23/1993
5186050	Marine sensor mounting mechanism A marine sensor mounting mechanism having a tubular sleeve in the hull of a boat; valve means mounted for pivotal movement in the sleeve from an open position when a sensor is in place to a closed position when the sensor is removed....	02/16/1993
4911005	Velocity-measuring device A combination of a movable structure (adapted to ride on or over a surface while supporting or carrying at least one person) and a velocity-measuring device which includes means responsive to air flow develop an electrical signal representative of current...	03/27/1990
4898029	Marine instrument A through-hull speed sensor of the magnetized paddlewheel sensor type wherein a paddlewheel is rotatably supported in a cavity adjacent a magnetic sensing device which generates electrical pulses corresponding to paddlewheel speed as the wheel rotates whe...	02/06/1990
4836020	Marine instrument A through-hull speed sensor of the magnetized paddlewheel sensor type wherein a paddlewheel is rotatably supported in a cavity adjacent a magnetic sensing device which generates electrical pulses corresponding to paddlewheel speed as the wheel rotates whe...	06/06/1989
4713967	Method and apparatus for measuring a water condition A method for measuring a water condition such as temperature or speed proximate a desired location in the water such as near a fishing bait. The method comprises positioning a sensor for the condition near the location which provides a signal proportional...	12/22/1987
4676097	Submersible knotmeters Rotary type knotmeters designed to detect relative motion between an underwater vehicle and the water in which it is submersed at relatively great depths comprise a vaned rotor external unit, an electronic counter/display internal unit, a multiplexing tra...	06/30/1987
4653320	Apparatus for measuring and displaying the speed of a craft, especially of a sailboard An apparatus for measuring and displaying the speed of a craft, especially of a sailboard, comprises on one hand an immersed rotator (1) equipped with a permanent magnet and attached to the craft (40) and on the other hand a measuring device mounted on th...	03/31/1987
4644788	Modular marine instrument A modularized marine instrument sensing device is described wherein a paddlewheel assembly for providing an electromagnetic signal proportional to marine vessel speed is separably mountable on retaining members provided in a sensor housing. The sensor hou...	02/24/1987
4586374	Procedure and means for wireless measurement of the speed of small craft such as a surfboard or a boat A procedure and apparatus for wireless measurement of the speed of a small craft, such as a surfboard or a boat, wherein the speed of the craft is measured with the aid of a speed pick-up by means of a separate measuring and transmitting device attached t...	05/06/1986
4555938	Marine instrument A marine speed sensor mounted in a housing which may also include a temperature sensor and a sonic transducer. The speed sensor includes a paddlewheel for producing an electromagnetic field. The paddlewheel is rotatably mounted adjacent the housing and ex...	12/03/1985
4548073	Troll meter This troll meter is used to determine the speed of a boat in the range of one to three knots. Primarily, it consists of a shaft having three marked and different pitched propellers, which are rotated by the forward speed of the boat, and each is freely an...	10/22/1985
4535626	Display system to indicate sailing data of a small size boat A display system for indicating sailing data to an operator of a small sized sailing boat in which a speed sensor in the hull transmits pulses to a speed measuring device which stores the data in a memory. The sailing data is periodically transmitted to a...	08/20/1985
4507960	Speed indicator A speed indicator for water vehicles which has a vane wheel transmitter mounted for rotation about an axis is exposed to the extent of one half thereof to the flow of water. In order to obtain a high measurement precision, the vanes of the vane wheel on t...	04/02/1985
4485671	Miniature electro-optical air flow sensor A sensor for measuring flow direction and airspeed that is suitable, because of its small size, for rapid instrumentation of research airplanes. A propeller driven sphere rotating at a speed proportional to airspeed presents a reflective target to an elec...	12/04/1984
4483191	Airspeed indicator for low-speed conveyances An airspeed indicator for low-speed conveyances which comprises a thin cylindrical hood, a generator supported at the center within the hood and a propeller mounted on the driving shaft of the generator. An indicating means for indicating the magnitude of...	11/20/1984
4399695	Underwater sensing mechanism and method A water speed sensing transmitter unit suspended from a fishing boat at the depth fishing gear is being trolled actuates transmission of a pulse signal through the water for detection by a receiver unit mounted on the boat. The frequency of the pulse sign...	08/23/1983
4324135	Speed indicator for fishing gear A water speed sensor suspended from a fishing boat at the depth fishing gear is being trolled actuates an underwater transducer to transmit a sonic signal detected by an underwater transducer mounted on the boat. The output of the transmitter transducer i...	04/13/1982
4206637	Marine speedometer A paddle wheel transducer for mounting to a marine vehicle utilizes a source of radiant energy for establishing a beam of radiant energy directed perpendicular to the direction of movement of the paddle wheel vanes and a radiant energy responsive element ...	06/10/1980
4159644	Ship's log and speedometer My invention relates to ship'logs and speedometers, comprising magnetometers and associated circuitry located inside the hull of the vessel, for accurately sensing, indicating, and recording the revolutions of an external rotator equipped with a small per...	07/03/1979
4136562	Audible speed indicator for hang glider An audible speed indicator for hang gliders or the like comprises an air driven impeller 16 whose initial point of rotation start-up may be adjusted to correspond to the stall speed by rotating cowling section 14 relative to housing 13 to thereby vary the...	01/30/1979

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Class 73/187 - Rotary