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Patent No. 5996127

Wearable Device For Feeding and Observing Birds and Other Flying Animals

A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.

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Class 73/862.17 - Having magnetic or electromagnetic brake means


Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein the load is applied by an absorbing
No. of patents: 27
Last issue date: 04/22/2008


NumberTitleIssue Date
7362066Overload protection system
An overload protection system and method of protecting a drive unit includes a torque arm assembly mounted to a fixture and a gear reducer. The reducer includes a bracket mounted to an axle of the reducer which is positioned adjacent to a measuring device. The torqu...
04/22/2008
7350414Mechanical barometer
An analog pressure indicator assembly, particularly useful as a barometer, accurately indicates pressure or pressure changes using the fewest number of and/or least expensive components possible. The assembly is typically gearless, and includes a pressure sensitive ...
04/01/2008
7282807Systems and methods for testing a wind turbine
A system for testing is described. The system includes a wind turbine, a grid generator configured to generate power and coupled to the wind turbine, and a portable load coupled to the grid generator. ...
10/16/2007
7071656Torque computation unit for vehicle generator
A torque computation unit of a vehicle generator includes a rotor, an armature winding, a field coil and a field current switching element. The torque computation unit includes a field current detecting circuit, an output current detecting circuit and a rotation spe...
07/04/2006
7023219A/C generator rotor test apparatus
An assembly is provided for testing a circuit of a rotor of an AC generator. The assembly includes a base, a rack, a coil housing, one or more coils, and a rotor stand. The rack is coupled to the base and the coil housing is coupled to the rack. The one or more coil...
04/04/2006
6834558Combined torque measurement and clutch apparatus
A method of using a magnetic fluid clutch for torque measurement comprises steps of modulating electric current through a coil of the magnetic fluid clutch to maintain a steady-state quasi-solid phase of a magnetic fluid medium contained within the magnetic fluid cl...
12/28/2004
5844145Chassis dynamometer employing laterally moving roller assemblies during alignment of vehicle
A chassis dynamometer for simulating the road load and inertia of a vehicle comprised of two axially-movable roller assemblies and a track to guide their axial movement is described. The two independent roller assemblies are free to slide right or left al...
12/01/1998
5663494Chassis Dynamometer
A chassis dynamometer for testing motor vehicles in place includes a frame, at least one roll for engaging the wheel(s) driven by the vehicle engine and an eddy current brake/inertia unit in which the brake rotor is attached to one end of the roll to form...
09/02/1997
5623104Apparatus for testing power performance of electric motor for electric vehicle
A test motor 2 is controlled by a controller 7 in accordance with travelling pattern (i.e. vehicle speed) data of an electric vehicle. A load motor 3 is controlled by a controller 9 in accordance with a load pattern. A host controller 10 generates the loa...
04/22/1997
5533388Apparatus for electromagnetically isolating an automobile
An electromagnetic compatibility simulating apparatus for an automobile including an electromagnetically shielded cell having a wall dividing the interior of the cell into a first chamber for the automobile and a second chamber. Road simulator units are m...
07/09/1996
5483841Method and apparatus for monitoring motor operated valve motor output torque and power at valve seating
A method and apparatus are provided for monitoring a motor operated valve during the brief period when the valve seats and the torque switch trips to deenergize the valve motor. The method uses voltage measurements on the load side of a deenergizing switc...
01/16/1996
5142902Twin roller chassis dynamometer
A twin roller type chassis dynamometer includes two coxially arranged load rollers and two coaxially free rollers. The two pairs of rollers are arranged parallel to one another. One of the free rollers includes an outer rotor dynamometer. The rotor of thi...
09/01/1992
5136878Air cooled dynamometer vehicle emissons test stand
An air-cooled eddy current dynamometer for the use in a vehicle emissions test stand application. The dynamometer housing includes an air inlet manifold for drawing cooling air radially inwardly into the dynamometer and an air outlet manifold permitting t...
08/11/1992
5086647Power testing apparatus
A power testing apparatus includes a brake mechanism which is operated to brake an inertial load adjusting flywheel at a desired timing. A clutch is provided for controlling transmission of an inertial load from the adjusting flywheel to a tested object. ...
02/11/1992
4989458Apparatus for detecting torque for oscillation-type electric dynamometer
An apparatus for detecting a torque quantity of an oscillation-type electric dynamometer which comprises a vibration detector installed on a torque arm extended from an oscillator of the dynamometer for detecting the vibration of the torque arm in the dir...
02/05/1991
4870585Dynamometer engine performance analyzer system
A dynamic engine performance analyzer system measures engine torque and power continuously from an absorption brake and produces a statistically corrected and deskewed value of torque and power for each of a number of RPM bands. Torque and power values ar...
09/26/1989
4785674Torque sensor
An arrangement for sensing rotational torque in an exercise machine utilizes a torque measuring collar, which is generally tubular with a flange at each end. One flange is mounted to a stationary member, such as the frame of a machine. A shaft which is to...
11/22/1988
4718286Dynamometer system for rotary blade-type lawm mowers
A dynamometer system for applying a controlled variable operating load against the blade of a rotary-type lawn mower while the mower is in stationary operation atop the system. The system includes a frame for supporting and securing the lawn mower thereup...
01/12/1988
4638673Method and apparatus for determining the torque of a torque generator
An engine or a similar torque generator with internal torque M1 and moment of inertia T1 and an electrical drive with electrical torque M2 and moment of inertia T2 coupled thereto interchange an interchange torque MA over a coupling according to the equat...
01/27/1987
4576051Ergometer having an eddy current brake serving as a loading device
The present invention relates to an ergometer having an eddy current brake serving as a loading device, comprising a rotatably mounted brake wheel placed into rotation by means of a drive device and having a cylindrical ring made from an electrically cond...
03/18/1986
4538097Process and apparatus for recovering energy, in the form of electric energy, from a motor test bench
A process and an apparatus for the recovery of energy, in the form of electricity, from a engine on a test bench. The apparatus includes, in particular, a brake coupled to the engine being tested, and an asynchronous motor/generator or dynamo connected to...
08/27/1985
4530248Dynamometer having torque and horsepower readout
The dynamometer has a fixed frame in which a Hall effect generator measures the flux density at a location indicative of the flux in the gap between the rotor and the inductor rings. The gap flux density is influenced by the flux induced by the field and ...
07/23/1985
4509374Electric dynamometer
An electric dynamometer which includes a rotor mounted for rotation on a shaft and a stator surrounding the rotor, the stator including a yoke surrounding the rotor in radially spaced relation therewith, and a loss drum disposed between the yoke and the r...
04/09/1985
4435987Device for correcting torque detected by an electric dynamometer
A device for correcting the torque detected by an electric dynamometer, which is capable of very accurately correcting loss torques of the operation-type dynamometer based upon a simply constructed mechanism. Among many loss torques involved in the operat...
03/13/1984
4416160Apparatus for detecting torque in electric dynamometer
An apparatus for detecting torque in an electric dynamometer which is arranged such that accurate counter-voltage is obtained by utilizing an interpole winding resistance inside the DC machine, magnetic flux is computed from the aforesaid counter-voltage ...
11/22/1983
4335619Motor load test apparatus
This invention provides a unique system for measuring torque and speed characteristics of motors. This invention employs the principle of driving an induction generator beyond its synchronous speed until it generates power fed back into the power supply. ...
06/22/1982
4154097Apparatus and method for measuring motor power
A dynamometer and method for determining the power of a prime mover includes drive means mounted for rotation by a prime mover, and oscillatory means adapted to move in a linear reciprocal manner. Translation means are provided whereby the rotary motion o...
05/15/1979
 
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