Class 74/5.12 - Rotor spin and cage release type

Subclass of Class 74 - Machine element or mechanism
Definition: Devices having a mechanism to impart spin to a rotor and
No. of patents: 24
Last issue date: 12/21/2010

Number	Title	Issue Date
7854177	Precessional device and method A precessional device having independent control of the output torque generated by the device and the oscillation rate of the device is disclosed. The device comprises a rotor supported by an axle wherein the ends of the axle are supported by a circular race. The ci...	12/21/2010
7832297	Method and apparatus for gyroscopic propulsion A propulsion system includes an engine and a rotating member rotatably engaging the engine. The rotating member comprises a plurality of drive members positioned around the circumference of the rotating member. Each of the drive members has an unlocked state in whic...	11/16/2010
7451667	Precessional device and method A precessional device having independent control of the output torque generated by the device and the oscillation rate of the device is disclosed. The device comprises a rotor supported by an axle wherein the ends of the axle are supported by a circular race. The ci...	11/18/2008
7181987	Precessional device and method A precessional device having independent control of the output torque generated by the device and the oscillation race of the device is disclosed. The device comprises a rotor supported by an axle wherein the ends of the axle are supported by a circular race. The ci...	02/27/2007
7000308	Method of constructing a rotor for a gyroscopic device A method of constructing a rotor for a gyroscopic device is provided comprising fabricating a unitary assembly comprising a rim, a hollow shaft, a hub at each end of the shaft, a web that extends radially inward from the rim to one of the hubs at an angle to a spin ...	02/21/2006
6923090	Device for temporarily locking a rotor, in particular a magnetically suspended rotor of an inertia wheel for space applications According to the invention, a “Geneva” movement mechanism is used which is turned in one direction or the other by an electric motor. The mechanism comprises a “Maltese” cross turning about the axis of rotation of the rotor and supporting an annular piece. T...	08/02/2005
5474263	Reaction wheel and method of safing wheel An improved reaction wheel assembly and method is provided whereby a reaction wheel assembly contains a safing mechanism for securing the assembly. A rotor shaft assembly and bearings are provided whereby a reaction wheel assembly selectively may be eithe...	12/12/1995
5390554	Spacecraft component bearing A spacecraft component bearing unit for resisting axial lead due to launch vibration. This component includes a stator having drive coils, an inertia wheel having a ring magnet, a shaft having a fixed upper bearing cartridge and a floating lower bearing c...	02/21/1995
4788872	Rearmable spring caged and energized free gyro A rearmable spring caged and energized free gyro which will allow repeated rearming for testing and use without requiring the opening of the main instrument enclosure, or requiring auxiliary sources of energy. The gyro is housed in an approximately cylind...	12/06/1988
4724712	Gas driven gyroscope with extended rundown time A gas gyroscope 11 is provided with an aspirator pump 71 in order to evacuate gas from the main chamber 19 of the gyroscope 11. The evacuation of gas reduces windage and other air friction encountered by the gyroscope's rotor 21 and thereby extends the ru...	02/16/1988
4709586	Spring-driven gyroscope The invention relates to a gyroscope which is comprised of a hollow rotor adapted to rotate about a fixed shaft, a leaf spring housed inside the rotor, one end of which is releasably connected to the fixed shaft and the second end of the spring is fixedly...	12/01/1987
4690007	Gyroscope A miniature gyroscope having a gas-turbine reaction rotor of dumb-bell form which comprises a pair of masses (62,63) one spaced from the other at opposite ends of a shaft, and an inner gimbal (61) which extends into the space between the two masses and th...	09/01/1987
4606239	Locking and unlocking device for a gyroscopic rotor The invention relates to a locking and unlocking device for a gyroscopic rotor which is mounted through the intermediary of an internal cardan (5) placed at the end of a shaft (4) which receives a screwthreaded bushing (10) which is capable of being screw...	08/19/1986
4570507	Magnetic fluid gyro bearing and caging mechanism A gyro bearing and caging mechanism in which a spherical gyro rotor is driven by an induction motor with bearing surfaces between the rotor and stator having a magnetic fluid that is held in place at discrete positions around the circumference of the roto...	02/18/1986
4346614	Process and device for installing a vertical gyroscope The present invention relates to a process for setting up a vertical gyroscopic device mounted on a moving craft, wherein the action of roll reset means is eliminated only with a delay time with respect to the rotation of the mass, this delay time being s...	08/31/1982
4322984	Gyroscope cage system for high g environments A gyroscope caging system includes a clamping ring encircling a portion of the rotor of the gyro and adapted to engage an annular groove in the rotor simultaneously with engagement of a groove in a base support member, for clamping to and supporting the r...	04/06/1982
4305304	Motor sustained stored energy gyroscope A stored energy gyroscope includes a power spring contained within the gyroscope rotor. A latching arm is positioned to hold the rotor in place with the spring fully wound, and when the latching arm is released from the hold position the power spring unwi...	12/15/1981
4275604	Device for the leveling of the gyroscopic axis of a compass with a mechanical suspension and an antipendular-torque precession system A gyrocompass with a tilt ring pivotable about a substantially horizontal axis has a U-frame swingable about that axis which forms part of a pendular system and carries a coupling lever engageable with projections on the lower end of the U-frame to immobi...	06/30/1981
4271709	Gas driven gyroscope An improvement in gas driven gyroscopes of the type having a gas driven reaction rotor and integrally contained gas source. A spring loaded valve in the bore of the rotor shaft opens to admit the driving gas to the rotor nozzles and then closes to shut of...	06/09/1981
4024769	Fluid actuated gyroscope A fluid actuated gyroscope having a hollow rotor provided with apertures defining nozzles through which compressed fluid within the housing flows to the interior of the rotor before being discharged. This flow causes the rotor to spin up to speed rapidly....	05/24/1977
3992955	Two axis caging system A caging mechanism for a gyro in which a flat split ring lying in a plane perpendicular to the gyro rotor spin axis is deformable so that its inside diameter is enabled to capture the gyro rotor. A gas activated piston separates tabs formed on the split r...	11/23/1976
3985034	High "G" gyro with fluidic exhaust control for fluidic bearing A high "G" gyro that has a rotor mounted relative to a stator by a fluidic earing with fluidic exhaust control means for producing a lower pressure at the exhaust for the fluidic bearing to prevent the exhaust from the fluidic bearing from impinging on oth...	10/12/1976
3982441	Gyro having fluidic bearing with dual orifices and exhausts A gyro which has a fluidic bearing with two radially spaced circles of orces and two circumferentially and radially spaced exhausts and jet means for producing low pressures in the circumferential exhausts. By using a jet nozzle exhaust control with radi...	09/28/1976
3933096	Gyroscopic rate switch A gyroscopic rate switch is held in an open position by a torsionally resined gimbal in a pressurized compartmentalized housing. Run-up of the rotor, uncaging of the gimbal, and actuation of electrical switches is accomplished by controlled release of pr...	01/20/1976

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Class 74/5.12 - Rotor spin and cage release type