G01C19/20

Stabilization arrangement for stabilization of an antenna mast
10714807 · 2020-07-14 · ·

A stabilization arrangement (10) for stabilizing an antenna mast (3), comprising an antenna mast (3) and a gyroscopic stabilizer device (12), wherein the gyroscopic stabilizer device (12) in turn comprises a flywheel (11), a flywheel axis (14), wherein the flywheel (11) is arranged about the flywheel axis (14), and a gimbal structure (13), wherein the flywheel (11) is suspended in the gimbal structure (13) and the gimbal structure (13) is configured to permit flywheel precession or tilting about at least one gimbal output axis (16). The gyroscopic stabilizer device (12) is fixedly arranged in connection to a first end portion (31) of the antenna mast (3) and the antenna mast (3) is fastenable to a supporting structure at a second end portion (32) of the antenna mast (3), wherein the gyroscopic stabilizer device (12) is configured to reduce movements in a plane perpendicular to the extension of the antenna mast (3).

SIIS level 2 sensor offset distance extender
10254140 · 2019-04-09 · ·

A method of increasing the maximum offset distance for underwater sensors, the method including the steps of: providing at least one sensor on a sensor bus, and emulating at least one additional sensor on the sensor bus. This has the effect of lowering the total network resistance, which increases the maximum possible offset distance. The additional sensor(s) by be emulated by one of: a smart plug-in module, a printed circuit board assembly, and a virtual sensor.

Method for controlling a rotation damper functioning according to the gyroscopic principle

A method for controlling a rotation damper operating according to the gyroscopic principle for a motor vehicle, wherein the rotation damper includes a flywheel, which is driven by a drive and rotating about a rotation axis with an angular velocity .sub., which is cardanically mounted via a first bearing element and via a second bearing element, wherein the flywheel is rotatably mounted on a first bearing element and at a rotation angle , and the first bearing element is rotatably mounted on a second bearing means about a first axis that is oriented orthogonally to the rotation axis of the flywheel, and the second bearing element is rotatably mounted at a second rotational angle ().

Three-axis micro gyroscope with ring spring
10066941 · 2018-09-04 · ·

Disclosed is a three-axis micro gyroscope having a ring spring. The three-axis micro gyroscope of the present invention comprises: a main spring part; a driving part; an x mass part; an y mass part; a z mass part; and a sensing part. The x mass part moves in the y axis direction depending on the contraction and expansion of the main spring part. The y mass part moves in the x axis direction depending on the contraction and expansion of the main spring part. The z mass part comprises an x vibration mass means and an y vibration mass means. The sensing part senses vibration shaking of the x mass part, the y mass part and the z mass part. The three-axis micro gyroscope of the present invention is capable of effective measurement of rotational movements for all three of the x, y and z axes.

Conduction cooled autonomous gimbaled inertial measurement unit

Conductive cooled gimbaled inertial measurement units are disclosed herein. An example apparatus includes an inertial measurement unit, a gimbal assembly in which the inertial measurement unit is disposed, the gimbal assembly having gaps between each gimbal of the gimbal assembly, the gaps including a gas to conduct heat from the gimbal assembly, and an isothermal dome at least partially surrounding the gimbal assembly, the isothermal dome having a cooling tube disposed on an external surface of the isothermal dome to transfer heat from the gimbal assembly via conduction.

Mechanism for causing inverted-gyroscopic precession
09561445 · 2017-02-07 · ·

A mechanism that relies on round magnets (or an alternative modification that imitates round magnets) and their property that when magnetically attached tangentally and parallel to their axis of symmetry they have the tendency to counter-rotate rotate freely when their structural containment is tilted or turned or either magnet is moved, and that they resist twisting on their respective axes such that when an Inner Magnet is arranged so that its rotational circumference is less than an Outer Magnet, and Mechanical Force is applied to either the Outer Magnet or the Inner Magnet, the system exhibits the inverted gyroscopic effect when the apparatus implements one or more features of Mechanical Give is disclosed.

Gyroscopic boat roll stabilizer with bearing cooling

A gyroscopic roll stabilizer includes an enclosure, a flywheel assembly, a bearing, a motor, and a bearing cooling circuit. The enclosure is mounted to a gimbal for rotation about a gimbal axis and configured to maintain a below-ambient pressure. The flywheel assembly includes a flywheel and flywheel shaft. The bearing rotatably mounts the flywheel assembly inside the enclosure for rotation about a flywheel axis. The bearing has an inner race and an outer race. The inner race is rotationally fixed relative to the flywheel shaft, and the outer race is held rotationally fixed relative to the enclosure. The motor is operative to rotate the flywheel assembly. The bearing cooling circuit is configured to transfer heat away from the bearing by recirculating coolant along a closed fluid pathway. The gyroscopic roll stabilizer is configured to transfer heat away from the inner and/or outer race of the bearing to the coolant.

Gyrocompass

A gyrocompass includes: a binnacle; a gyro case having a gyro rotor; a vertical ring mounted on the binnacle for rotation about a vertical axis, the vertical axis extending perpendicular to a gimbal axis and a horizontal axis, the gimbal axis extends in a direction of a spin axis of the gyro rotor and the horizontal axis extends perpendicular to the gimbal axis and parallel to a horizontal plane; a horizontal ring supported by the vertical ring for rotation about the gimbal axis and supporting the gyro case for rotation about the horizontal axis or supported by the vertical ring for rotation about the horizontal axis and supporting the gyro case for rotation about the gimbal axis; a horizontal servo motor for rotating the gyro case about the horizontal axis; and an azimuth servo motor mounted on the vertical ring for rotating the vertical ring about the vertical axis.

Gyrocompass

A gyrocompass includes: a binnacle; a gyro case having a gyro rotor; a vertical ring mounted on the binnacle for rotation about a vertical axis, the vertical axis extending perpendicular to a gimbal axis and a horizontal axis, the gimbal axis extends in a direction of a spin axis of the gyro rotor and the horizontal axis extends perpendicular to the gimbal axis and parallel to a horizontal plane; a horizontal ring supported by the vertical ring for rotation about the gimbal axis and supporting the gyro case for rotation about the horizontal axis or supported by the vertical ring for rotation about the horizontal axis and supporting the gyro case for rotation about the gimbal axis; a horizontal servo motor for rotating the gyro case about the horizontal axis; and an azimuth servo motor mounted on the vertical ring for rotating the vertical ring about the vertical axis.