219results about "Cosmonautic components" patented technology

An impeller for a pump is disclosed herein. The impeller can include a hub having a fixed end and a free end. The impeller can also have a plurality of blades supported by the hub. Each blade can have a fixed end coupled to the hub and a free end. The impeller can have a stored configuration and a deployed configuration, the blades in the deployed configuration extending away from the hub, and the blades in the stored configuration being compressed against the hub.

A linerless tank structure has a body that defines an enclosed interior volume. The body has a cylindrical section having an axis of symmetry and a dome section coupled with the cylindrical section. The construction of the pressure vessel includes multiple fiber plies. At least one of the fiber plies is a helical ply having fibers traversing the dome helically about the axis of symmetry. At least a second of the fiber plies is a braided or woven ply.

A pressure vessel and method for producing a pressure vessel is disclosed. The pressure vessel comprises a liner shell fabricated from composite material applied to a soluble mandrel having a body shaped to pattern an interior of the pressure vessel, the liner shell having an opening, a boss having an aperture therethrough, the boss sealingly bonded to the liner shell with the aperture adjacent the opening, and an outer shell fabricated from plies of composite material filament impregnated with matrix material wound over the liner shell and the boss, but not over the aperture.

A system for treating breast tissue includes a cannula having a proximal end, a distal end, and a lumen extending between the proximal and distal ends, the distal end configured for insertion into a breast duct such that the lumen is in fluid communication with the breast duct, and a tissue diagnostic device disposed within the lumen. A system for treating breast tissue includes a cannula having a proximal end, a distal end, and a lumen extending between the proximal and distal ends, the distal end configured for insertion into a breast duct such that the lumen is in fluid communication with the breast duct, an imaging device for providing imaging functionality to the cannula, and an energy delivery device secured to, or slidably disposed within the lumen of, the cannula.

A pressure container manufacturing method for manufacturing a pressure container by forming an outer shell made of a fiber reinforced composite material on a periphery of a liner, by: preparing a first fiber bundle which has a large diameter fiber bundle unimpregnated with a resin, and a second fiber bundle which has a small diameter fiber bundle and a thermoplastic resin covering the small diameter fiber bundle; forming a body on the periphery of the liner by braiding the first fiber bundle and the second fiber bundle with a braider; impregnating the first fiber bundle with the thermoplastic resin in the second fiber bundle which is heated and melted; and curing the thermoplastic resin to form the outer shell, wherein tension applied to the first fiber bundle is larger than tension applied to the second fiber bundle when forming the body and / or impregnating the thermoplastic resin.

A lightweight, ergonomically beneficial, hydrodynamic, and volumetrically efficient hybrid pressure vessel having at least two longitudinally extending, semi-cylindrical sections with flattened rib portions at a common interface between the sections. Additional longitudinally extending sections may be employed to provide additional internal volume. One or more apertures extend through the ribs to provide communication between sections. The pressure vessel comprises a cast metal material, optionally including exterior reinforcing structure for containing internal pressure

A tank for carrying cryogenic fluids and / or hydrogen peroxide and a method of forming the same is provided. A vehicle incorporating such a tank as part of the vehicle structure is also provided. The tank includes an inner wall compatible with the fluid to be carried, an outer wall, and a spacing layer sandwiched between the two walls. In an exemplary embodiment, the outer wall forms part of the structure of a flight vehicle.

A pressure container manufacturing method by forming an outer shell of a fiber reinforced composite material on a periphery of a liner having a cylindrical portion, dome portions connected to both ends of the cylindrical portion, and a mouth piece disposed on one top of the dome portions, has: forming a body on the periphery by braiding fiber bundles provided from bobbins of a braider disposed in a circumferential direction of the liner, while moving the liner in an axial direction, wherein when body formation reaches a root portion of the mouth piece, a movement in a first direction of the liner is stopped, each bobbin is rotated approximately a half-turn in the circumferential direction, and thereafter formation of the body is continued while moving the liner in a second direction opposite to the first direction; and curing a resin impregnated in the fiber bundles, to form an outer shell.

A pressurized gas supply system includes a pressurized container which expands and contracts. The container includes a one-piece liner molded from a polymer which is reinforced by a high tensile fiber such as KEVLAR®. A valve is molded into the liner, and a regulator is connected to the valve. A hose, having a conserver positioned therealong, extends between the regulator and a fitting allowing a user to inhale gas from the container. The container is carried in a carrying bag, which can be in the form of a carrying case, a purse, or a back-pack.

A system is provided by applying pressure to a portion of a body of an individual in a chamber having an aperture along a vertical axis for receiving the portion of the body of the individual. A pressure sensor is coupled to the chamber for measuring a pressure inside the chamber. A negative feedback control system, calibrates, adjusts and maintains the pressure inside the chamber.

A lightweight, ergonomically beneficial, hydrodynamic, and volumetrically efficient hybrid pressure vessel having at least two longitudinally extending, semi-cylindrical sections with flattened rib portions at a common interface between the sections. Additional longitudinally extending sections may be employed to provide additional internal volume. One or more apertures extend through the ribs to provide communication between sections. The pressure vessel comprises a cast metal material, optionally including exterior reinforcing structure for containing internal pressure.

A metallic liner for a composite reinforced high pressure gas cylinder is composed of a seamless metal tube contoured with a top dome and bottom dome. The liner is further composed of a seamless top metal end cap having a mating shape of the top dome and a seamless bottom metal end cap having a mating shape of the bottom dome. Alternatively, an extruded cup is shaped to a dome at the open end and one or two seamless metal end caps are used. In the method of manufacturing, the top and bottom ends of the metal tube are contoured, the end caps are produced, and one or two end caps are attached to the ends of the tube.

A gas cylinder having an aluminum shell, a composite wrap, and a plastic coating. The aluminum shell has an outer side and an inner side defining a storage space. The composite wrap is disposed about the aluminum shell. The plastic coating is disposed on the cylinder inner side.

A container for cryogenic liquids comprises an inner container and an outer container which are positioned with respect to each other and are thermally decoupled from each other by a vacuum insulation layer. In order, with the lowest possible weight and lowest possible costs in series production, to achieve the best possible heat insulation, the inner container and the outer container are in each case composed of prepared fiber-reinforced elements which are in each case wrapped up together with a filament and are thereby connected to one another, and supports which are also composed of a fiber-reinforced plastic are provided on the inner container for the relative positioning of the inner container with respect to the outer container.

An innovative technology for composite overwrapped pressure vessels (COPVs) has been developed which significantly increases cost effectiveness, increases reliability, and reduces weight over state-of-the-art COPVs. This technology combines an innovative thin liner made of a metal having a high modulus of elasticity and a high ductility, a high-performance composite overwrap and a high-performance film adhesive at the overwrap / liner interface. The metal liner can be fabricated from readily available titanium alloy sheet and plate using a combination of spin forming and machining to fabricate components and electron-beam welding for tank assembly. The composite overwrap is filament-wound onto an adhesive-covered titanium liner and the overwrap and adhesive are co-cured in an oven to yield an integrated tank structure.

The present invention relates to a tank for holding a cryogenic liquid. According to the present invention, there is provided a light and durable tank which is airtight even at cryogenic temperatures without generating cracks. The tank includes: a pressure-resistant layer having an inner shell and an outer shell; and an airtight resin layer on an inner surface of the inner shell, wherein the inner shell is comprised of a fiber-reinforced resin composite which can withstand temperatures above the melting point of the airtight resin layer, and the outer shell is comprised of another fiber-reinforced resin composite which can be cured at a temperature below the melting point of the airtight resin layer.

The invention relates to an interplanetary low-thrust transfer orbit design method based on polynomial approximation. Firstly, variable initial value guess is designed, the initial value guess of the transfer orbit design is given, then, the beginning and tail end boundary conditions of a detector are calculated, next, a second type Chebyshev polynomial is adopted for fitting the transfer orbit of the detector, the performance indexes and the constrained conditions are calculated, finally, whether the feasibility conditions are met or not is judged according to the calculated thrust restriction in accordance with whether the calculated performance indexes meet the optimum conditions or not, if all requirements are met, the optimization is successful, the optimum transfer orbit is obtained, and if one requirement is not met, the initial value guess of the design variable in the first step is regulated until the optimization is successful. The method utilizes the Chebyshev polynomial for approximating the low-thrust transfer orbit shape, the time is used as the independent variable, and the flight time restriction is avoided. The polynomial factor is determined through the beginning and tail end orbit state restriction of the detector, and the method has the advantage that the fast design on the low-thrust transfer orbits in different task types can be realized according to the given beginning and tail end boundary conditions.

A pressure vessel (10) and a process for its fabrication, the vessel (10) having a liner shell (16) formed from composite materials cured out-of-autoclave, and an outer structure (18) formed by winding or laying up additional layers of composite material over the liner shell. The liner shell (16) is formed as two halves, each with an opening into which a boss fitting (20) is installed. The two halves may be separately formed by a lay-up process, or first formed as a whole liner shell by filament winding, the whole liner shell then being cut in half to permit installation of the boss fittings (20). After curing, the halves are assembled and the outer structure (18) is wrapped over the liner shell (16) and also cured out-of-autoclave. The resulting pressure vessel (10) can be used for reliable storage of cryogenic or other materials, yet is light in weight and not costly.

A charge station is provided for filling a gas cylinder with gas. The charge station includes a gas output port configured to be fluidly connected to a supply of gas. The gas output port is configured to be fluidly connected to the gas cylinder for filling the gas cylinder with gas from the supply of gas. The charge station also includes a control system operatively connected to the gas output such that the control system is configured to control filling of the gas cylinder, and a radio frequency identification (RFID) reader operatively connected to the control system, the RFID reader configured to read data from an RFID tag on the gas cylinder.

A dual bladed laryngoscope for quickly and easily intubating a patient. The invention has two blades pivotally hinged on one side while the opposing side is open allowing the laryngoscope to be easily removed after intubating a patient. The proximal end of the upper blade has a grip portion which can be moved closer to or farther away from the handle attached to the proximal end of the lower blade to open or close the distal ends of the lower and upper blades. The lower blade of the invention has a distal end adapted as an esophageal obturator for obstructing the esophagus. An arytenoid bumper to prevent the laryngoscope from penetrating too far into the esophagus is preferably secured to the distal end of the lower blade. The arytenoid bumper may have a ramp or wedge shape adapted to deflect an intubation tube through a patient's larynx and into the trachea. The upper blade optionally has a tongue guard adapted to hold the tongue outside of a channel formed by the lower blade, the tongue guard and the upper blade. A suction conduit is optionally built in or secured to either the lower blade or the upper blade for providing a tube for suctioning secretions or emesis. A suction break is located in the handle of the laryngoscope to allow a finger of the hand holding the laryngoscope to control the presence and intensity of suction.

The tank for storing gas at high pressure, such as a tank for a vehicle running on gas, comprises a confinement volume accessible via coupling means and defined by a duct disposed in a spiral coil so that the substantially rectilinear main portions of the duct bear against one another. The forces exerted by the pressure of the gas on the main portions of a turn of the duct are then compensated by the forces exerted on the adjacent turns of the duct.

The invention relates to a method for emitting detector which can select the detected target via swing-by mechanism, belonging to the technique of deep space detecting rail transfer. It can solve the problems of approachability evaluation of detected target with long semi long axis or large eccentric rate. The inventive method comprises: calculating optimized dual impulse transfer track; selecting swing-by track type; and assembling the swing-by tracks. First calculating the optimized dual impulse transfer track from the target star to emitting star; using the emitting star as swing-by star; using the parameter of dual impulse transfer at the emitting star as the match parameter in swing-by flying; using the heliocentric large-ellipse orbit whose period is several times of the revolution period of emitting star and the deep space device at aphelion, to search for the emitting parameter of said match condition. The invention guides in the swing-by mechanism to realize the expansion of former dual impulse transfer, to improve the approachability of the target with long semi long axis or large eccentric rate.

The present invention provides a pressure shell formed by winding reinforcement fibers with resin material for hardening on an outer surface of a hollow tank base body, a high-pressure tank having the pressure shell, a manufacturing method of the high-pressure tank, and an apparatus for manufacturing the high-pressure tank. The pressure shell adopts the laminated structure in which a large number of fiber layers each formed by winding the reinforcement fibers around the tank base body are laminated. In a state the inside of the high-pressure tank is emptied, a compressive stress is applied to a lower fiber layer and a tensile stress is applied to an upper fiber layer. Particularly, in winding the reinforcement fibers around the tank base body, the reinforcement fibers are wound while filling fluid for pressure regulation in the tank base body, regulating a pressure applied to the fluid for pressure regulation, and adjusting a tension applied to the reinforcement fibers.

A storage system useful for storing cryogenic liquids is disclosed. The storage system includes a storage vessel, insulation surrounding the storage vessel and a flexible vacuum jacket enclosing them both. The flexible vacuum jacket can be made from a flexible plastic film such as polyimide. Polyimide is preferred due to its ability to remain flexible at cryogenic temperatures. The inner volume of the flexible vacuum jacket is placed under vacuum such that the insulation is maintained under vacuum. The flexible vacuum jacket can collapse against and conform to the insulation when it is evacuated, saving substantially on volume. A fitting for combining multiple passageways is also disclosed, so that multiple passageways can proceed through the vacuum jacket through a single penetration.

A deployable structure comprising a side wall having a plurality of segments which make the side wall a tube-like shape as a whole. Four adjacent segments are connected with one another at one point to make one module. The folding patterns of the segments along the connecting creases have two purposes, one of which is a closing pattern to reduce an inner angle between connected segments adjacent in a circumferential direction of the side wall, accompanied with a folding in a direction of a central axis, the other of which is an opening pattern to enlarge the inner angle between connected segments adjacent in the circumferential direction of the side wall, accompanied with a folding in the direction of the central axis. As a result the side wall can be deployed and packaged in both directions of the central axis and the radius of the side wall by folding the segments along the connecting creases thereof in the closing and opening patterns.