B64G1/222

Device for unfurling and refurling a flexible structure, and a flexible unfurlable structure and satellite both equipped with such a device

A device is provided for unfurling and refurling comprising at least one tape spring having an axis of unfurling and of refurling parallel to an axis X and a rotor capable of rotating about an axis Y perpendicular to the axis X, the tape spring being able, autonomously, to pass from a state in which it is wound around the rotor to an unwound state. The tape spring is mounted bent in two in the shape of a U and comprises a first end fixed rigidly to a first anchor point that may be secured to a stator or to the rotor and a second end wound around the rotor.

Deployable tensegrity structure, especially for space applications

A deployable structure comprises a first and second flexible tension members respectively defining a first and second contours of a ring. A first plurality of rigid compression members extends between the first and second contours. Only one end of each first plurality compression member is mounted on the first contour. A second plurality of rigid compression members extends between the first and second contours. Only one end of each second plurality compression member is mounted on the second contour. The first and second plurality of compression members are arranged with a repetitive crossing pattern around the ring. A first plurality of flexible tension members link each end of a compression member mounted on one of said contours to an end of another non-mounted compression member and a second plurality of flexible tension members link each end of a non-mounted compression member to an end of another non-mounted compression member.

Solar Panel and Flexible Radiator for a Spacecraft

A spacecraft (10), comprising a body (12), a solar array (30) with a support panel (32) which is connected to the body, and a thermal radiator (50) that is connected to the body and which includes a radiator substrate (52) that is thermally coupled to the body via at least one heat link (64). The solar array and thermal radiator are configured to be transitioned from a stowed state wherein the support panel and the radiator substrate are held fixed in an overlapping arrangement along and near the body, to a deployed state wherein the solar array is unfolded with the support panel positioned at a distance from the body and the radiator substrate is folded away from the body and the solar array.

Preferably, the solar array and thermal radiator are flexible, to allow them to be kept in an overlapping and temporarily bent shape in the stowed state.

MODULAR AND CONFIGURABLE SPACECRAFT ATTACHMENT AND DEPLOYMENT ASSEMBLIES
20170320597 · 2017-11-09 ·

A configurable spacecraft attachment and deployment system and a method of constructing a configurable spacecraft attachment and deployment system are provided herein. In one embodiment, the configurable spacecraft attachment and deployment system includes: (1) a connecting structure configured to secure at least one spacecraft to a launch interface, (2) an actuating assembly configured to constrain the spacecraft to the connecting structure before deployment thereof and release the spacecraft from the connecting structure when deployed, and (3) a deploying mechanism coupled to the connecting structure and configured to eject the spacecraft from the attaching structure, wherein the connecting structure, the actuating assembly, and the deploying mechanism are modular components and the connecting structure and deploying mechanism are selected to form the system based on parameters of the spacecraft.

SOLAR PANEL TRUSS DEPLOYABLE FROM MOVING CARRIER
20170321414 · 2017-11-09 ·

A novel system and related methods for sequentially deploying, in automated or semi-automated fashion, a strip of a plurality of truss bays with integral solar panels from a moving carrier onto a surface being traversed, resulting in a long, contiguous truss structure laid upon on the surface. The solar panels are angled at a predetermined orientation for solar operation at the deployment location. The carrier is easily and quickly reloaded with another set of truss bays for repeated deployment of a series of strips of solar truss structures in a solar array. The solar array thus is constructed in substantially less time and with substantially less labor that conventional support racking in the filed using prior art piece-wise assembly operations.

Space craft comprising at least one pair of supporting arms, said arm pair being equipped with a hollow mounting module, and method for employing such a craft

Space craft comprising a body, at least one pair of supporting arms, a first device mounted on a first supporting arm and a second device mounted on a second supporting arm. The first arm is rotatably mounted on the body of the craft about an axis of rotation. The second arm is fixed to the body, and in which craft of the first device and the second device at least one is offset from the axis of rotation of the first arm. The pair of supporting arms further comprises a hollow module for the rotatable mounting of the first arm on the body. The mounting module comprising an opening through which the axis of rotation and the second supporting arm pass.

Deployable mast with spontaneous autonomous deployment, and satellite

A deployable mast with spontaneous autonomous deployment comprises at least one elementary structural block with a longitudinal axis of deployment X, the elementary structural block comprising two, respectively lower and upper platforms parallel to a plane YZ orthogonal to axis X, and N stages stacked on one another parallel to axis X, where N is more than 1, and where i is between 1 and N−1. Each stage comprises at least six flexible longitudinal connection arms which are articulated by tape springs, which arms are, in the deployed position, on planes parallel to axis X and are inclined relative to axis X, the N stages being secured to one another in pairs by means of connection platforms parallel to the plane YZ; two adjacent lower and upper stages are offset angularly relative to one another by rotation around the axis of deployment X.

System and method for collection and distribution of space based solar power
11251658 · 2022-02-15 ·

The present invention generally is a system and method for ground, atmospheric and space based solar powered electrical energy generation and transmission of beamed microwave power. Specifically it is a system and method for generating electrical energy from a plurality of photovoltaic cells dispersed on a flexible surface each in close proximity to and functionally connected to microwave generating and transmitting means for controllably forming one or more stronger microwave beams by combining a plurality of much weaker individual microwave beams. The invention can be a microwave beam weapon for detecting and transferring microwave energy to non-cooperative targets or it clear orbital debris by momentum transfer to space object through microwave radiation pressure. Most practically it can provide electric power and microwave beam weapon defense to remote military and civilian facilities, including forward operating bases.

DEVICE FOR CONNECTING OBJECTS USING A STRIP

A link device comprising a first object and a second object comprises a first strip, capable of passing from a configuration wound about an axis Z about a support fixed to the first object to a configuration deployed along an axis X substantially at right angles to the axis Z, the strip having an end intended to come into contact with the second object, so as to link the first object to the second object.

Low volume micro satellite with flexible winded panels expandable after launch
09758260 · 2017-09-12 · ·

Micro satellite is disclosed with foldable solar panels that may be winded around the body of the micro satellite so that the growth in outer dimensions of the satellite is no more than 10-20 mm along each one of the length, width and height of the microsatellite so that the micro satellite may be launched in an auxiliary payload volume of a launcher. The foldable solar panels may be deployed to employ area that exceeds 9 times the product of the length by the width of the satellite and 6 times the product of the height by the length. The solar power produced by the solar panel and their light weight enable carrying of cargo that is at least 0.6 of the of the total mass of the satellites.