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WO/1989/009724A1 |
An MHD (magnetohydrodynamic) propulsion arrangement for ships or other marine vessels, in which the magnetic field is trapped in a closed path (B) by solenoids (51) and, optionally, magnetic shunts (52). The interacting current (I) is th...
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WO/1989/005404A1 |
An ion propulsion system is disclosed. The invention includes an ionizing system for ionizing a gaseous propellant within a chamber to produce a plasma. The ionizing system includes a cathode (14) to provide a source of electrons and ano...
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WO/1988/008488A1 |
An axial electrostatic ion thruster (10) for use on a dual-spin stabilized spacecraft (70) is disclosed. The thruster (10) is mounted on the spun portion (72) of the spacecraft (70) and continuously fired for an integral number of spin p...
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WO/1988/004364A1 |
A gyroscopic thrust apparatus which releases rotational energy of gyroscopic mass along the axis of precession via a gyroscopic couple, to generate thrust. In particular, the gyroscopic thrust apparatus has two gyroscopic diametrically o...
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WO/1988/004363A1 |
A gyroscopic apparatus (100), having application as a prime mover, comprises a pair of discs (102) disposed opposite one another with arms (104) rotatably supporting the discs (102) connected at a pivot point, the pivot axis therof lying...
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WO/1988/001020A1 |
An emission current control system for balancing the individual emission currents from an array of hollow cathodes (12, 14) has current sensors (28, 30) for determining the current drawn by each cathode from a power supply (18). Each cur...
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WO/1985/003743A1 |
Propulsion apparatus consisting of a diverting duct (1) connected to a converging duct (2), with movable rear walls (4) to control the outlet area (9). When the apparatus is moved in the direction of arrow (5) in a body of fluid, the flu...
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WO/1985/000201A1 |
Power-processing unit uses AC buses (30, 32) to supply all current dependent needs such as connections (54, 56) to an ion thruster through an inductor (88) and the primary of a transformer (90), to assure limited currents to such loads. ...
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WO/1984/001982A1 |
In a manned conveyance device for flight such as an airplane or a rocket the vehicle is held aloft and propelled about by firstly the effect of aerodynamics and/or secondly by the effect of thrust or propulsion by a rocket or jet engine ...
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WO/1982/003367A1 |
A method of obtaining propellent force by articles (1) accelerated on loci (3). The articles (1) are concurrently launched by their respective propelling units (2) such as catapults from the respective directions of 90 to the right side ...
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JP7455439B1 |
The present invention provides a method for controlling an artificial object that does not require a special propellant and controls the artificial object with a high degree of freedom, a control device for the artificial object, and an ...
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JP2024034990A |
[Problem] To provide a thrust engine that does not require atmospheric pressure or space particles. [Solution] This centrifugal body (18) is mechanically controlled so that the generation of centrifugal force is maximized in one directio...
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JP7428799B2 |
The invention relates to a space cold gas thruster operating with a solid propellant. The cold gas thruster of the invention comprises a tank (1) suitable for containing a solid propellant and a tank (1) heating device suitable for subli...
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JP7426714B2 |
[Problem] To provide an optical device which makes it possible to variously change the direction in which the radiation pressure of light acts. [Solution] This optical device extends along a reference plane, and is provided with a plural...
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JP2023182683A |
To provide methods, apparatuses, and systems for controlling the density of fluid in the vicinity of a functional object to improve one or more related performance determination criteria.In a certain embodiment, the invention utilizes a ...
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JP2023550513A |
An electrical heating system for heating a fluid stream, the housing having an inlet for the fluid stream to be heated by the electrical heating system and an outlet for the fluid stream heated by the electrical heating system; and a res...
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JP2023163346A |
To provide a structure which prevents electric discharge between devices without needing a dedicated device when mounted on an artificial satellite.A charging mitigation device for reducing a potential difference between multiple objects...
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JP2023544748A |
The Thermasat propulsion system uses water as a safe, non-explosive propellant, and the water is not pressurized during launch. By using solar propulsion, a small and efficient capacitor heats water to steam, producing high thrust and hi...
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JP2023124004A |
To provide a heat shield that can measure temperature to evaluate the temperature distribution of a cathode during heating.A heat shield 10 includes a cylindrical portion 11 that surrounds the outer periphery of a cathode 20 that extends...
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JP7338450B2 |
To provide an electric propulsion machine testing device capable of suppressing decrease in exhaust speed by a large quantity of ion discharged from an electric propulsion machine.An electric propulsion machine testing device 10 includes...
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JP7302083B1 |
A spacecraft apparatus capable of being fully electrified in a substantial sense is provided. A spacecraft device capable of canceling or mitigating at least one or more points of reaction occurring with respect to stress wave generation...
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JP2023524988A |
A levitation propulsion unit-2 (LPU-2) is a thrust-generating device that can generate a resultant force to create motion without mass flow and/or momentum exchange. The technology primarily uses electromagnet energy, permanent magnet re...
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JP2023075698A |
To provide a hollow cathode that has high heat insulation property even in an axial direction and is less likely to deteriorate over time.A hollow cathode includes: a cathode tube; a heater provided on an inside or outside of the cathode...
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JP2023511608A |
The present invention provides a solid attitude orbit control engine gas valve and method for controlling the same. The gas valve utilizes a portion of the gas generated in the combustion chamber of the solid rocket engine of the aircraf...
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JP7241924B2 |
This power supply device (100) that supplies power to a Hall thruster (40) which is an electrical propulsion device having a channel (45) that accelerates ions and generates thrust, is provided with an anode power supply (11) that genera...
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JP2023509591A |
Ion booster for thrust generation. The present invention relates to electrical propulsion produced by rapid acceleration of ions between asymmetric electrodes. The invention is applicable to propulsion generation in atmospheric and space...
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JP2023031217A |
To provide a direction inversion thrust device for bidirectional translation motion.A direction inversion thrust device for bidirectional translation motion is a thruster comprising a drive motor, a magnetic inversion mechanism, and a sy...
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JP2023029155A |
To provide a thrust generation device capable of varying a thrust direction using ultra-high frequency band electromagnetic waves.Provided is a thrust generation device that since a direction in which an object to be irradiated with ultr...
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JP7224031B2 |
To provide an ion thruster having an electrostatic acceleration portion using a flat-plate grid capable of preventing ion beamlets from excessively diverging from through holes over the entire grid and taking a wide thrust range.An ion t...
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JP2023504324A |
A sequential impulse thruster is a system that provides permanent thrust to any aerospace vehicle to which it is applicable. The thrust of the system is generated from the thrust against the ejection of air or compressed gas in the form ...
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JP7171699B2 |
The invention relates to a field emission propulsion system (1) for spacecraft, comprising: a control unit (4); a propulsion assembly (2) with a plurality of field emission propulsion units (23) that comprise an ion source with a plurali...
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JP2022547467A |
SUMMARY OF THE INVENTION In one aspect of the invention, a plasma thruster device is provided that includes an insulating substrate. The substrate contains one or more supply channels for supplying conductive liquid to the bridge structu...
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JP7154708B2 |
To provide an ozone gas utilization system capable of utilizing ozone gas in various fields including an oxide film formation technique.An oxygen gas injection device 8001 comprises a microwave resonance chamber 8100 and a rectifying gas...
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JP7129074B1 |
A pulse-type propulsion machine using a vacuum cathodic arc discharge that reduces the effects of carbon deposits during use, converts the carbon deposits into fuel, prolongs service life, and enhances triggering accuracy and control acc...
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JP7125948B2 |
The present disclosure relates launch systems, launch vehicles for use with the launch system, and methods of launching articles utilizing the launch vehicle and/or the launch system. In particular, various improvements for electroantima...
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JP2022120862A |
To generally achieve a space propulsion technology that is far safer than extremely dangerous rocket propulsion of the existing space propulsion technology.To put it very briefly, not the physical phenomenon based on the established theo...
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JP2022119333A |
To provide a heater integrated type cathode tube that is excellent in vibration and shock resistance of a heater and has good heating efficiency.A heater integrated type cathode tube includes: a bottomed cylindrical cathode tube 20 havin...
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JP2022110077A |
To provide a photon discharge part/emission part or particle acceleration part by electric fields/magnetic fields to a solar plane including a thin-film-like solar battery to obtain propulsive power.A solar plane 3, an aircraft, includes...
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JP7087216B1 |
To match the vibration period of a sine wave of a vibrating plate and a sine half-pulse wave of a reaction plate to a synthetic vibration on the ground and in space without requiring a reaction force by a jet substance such as fossil fue...
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JP7057657B2 |
An injection system (150) includes a reservoir (152) for containing liquid (158), and a gating plate (216) having a circular array of gating plate apertures (218). The injection system (150) additionally includes a faceplate (250) positi...
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JP3237079U |
To provide a so-called flying car which is a vehicle or a drone capable of flying in the sky. An electromagnetic propulsion unit 102 is provided at a plurality of locations of an airframe unit 101, and includes an asymmetric high-voltage...
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JP2022053568A |
To provide a flight, propulsion method enabling flight and cruising in on-ground space, on-water space, aero-space, and even underwater space in some manner, or in any place by an electron single-pole field.An AC-like pulsating current o...
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JP7039619B2 |
Device (52) for regulating the rate of flow of propellant fluid for an electric thruster, of the thermo-capillary device type comprising at least one capillary duct that is electrically conductive and capable of regulating the rate of fl...
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JP3236807U |
To install a steam turbine outside a combustion chamber of a rocket power system and a ram jet engine system by quoting related technologies of "efficient composite hybrid system" and "energy conversion system", and to install a rocket e...
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JP7036719B2 |
A thruster for a micro-satellite is disclosed. The thruster includes a cathode composed of a propellant material and an anode composed of ablative material. The thruster includes a housing having a proximate end and an opposite distal en...
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JP2022027046A |
To provide a light- weight and small-sized thruster.The inventive thruster has: a first tank 5 that stores a liquid propulsion agent 11; a vaporization chamber 4 that generates a gas 12 by heating the propulsion agent 11; and a pump that...
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JP2022018947A |
To provide an ion thruster capable of performing control with high accuracy so that thrust approaches zero in an off state.An ion thruster 100 includes: an ion source 101; a first electrode plate 102 extracting ion from the ion source 10...
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JP6986272B2 |
Disclosed herein is a propulsion system comprising: a solid conductive or semiconductive cathode (130); an anode (110) having a potential difference relative to said cathode (130), said potential difference creating an electric field bet...
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JP2021182537A |
To prevent deterioration and wall thinning of a cathode due to atomic oxygen and plasma ions in outer space, and prolong the life of a field emission cathode type electron source.A field emission cathode electron source for outer space i...
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JP2021169302A |
To provide an electrically controlled interfacial force generation device and a propulsion engine using the device.An electrically controlled interfacial force generation device includes a first electrode, a second electrode and a cell d...
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