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Aerojet Rocketdyne Inc patents

Recent patent applications related to Aerojet Rocketdyne Inc. Aerojet Rocketdyne Inc is listed as an Agent/Assignee. Note: Aerojet Rocketdyne Inc may have other listings under different names/spellings. We're not affiliated with Aerojet Rocketdyne Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | Aerojet Rocketdyne Inc-related inventors

 new patent  Solid rocket motor with barrier

A solid rocket motor includes a propellant grain and a barrier shielding at least a portion of the grain. The barrier is impermeable to water, oxygen, nitrogen, and volatile solid propellant species.. ... Aerojet Rocketdyne Inc

Flow control system with parallel fuel passage network

A flow control system (22) includes a fuel passage network (34) that has first (36) and second (38) network portions that are in a parallel flow arrangement with each other. A fueldraulic device (40) is located in the first network portion. ... Aerojet Rocketdyne Inc

Dual stage catalytic thruster

A catalytic thruster includes a reaction chamber that extends between first and second opposed chamber ends. The first chamber end includes a thermal standoff cup. ... Aerojet Rocketdyne Inc

Process for non-destructive testing using direct strain imaging

A process for non-destructive testing includes applying a photo-curable dye to a surface of an article, selectively curing an array of dots of the photo-curable dye on the surface, removing the photo-curable dye that has not been selectively cured, mechanically testing the article, and direct strain imaging the article during the mechanical testing based on the array of dots.. . ... Aerojet Rocketdyne Inc

Solid rocket motor health monitoring

A solid rocket motor includes a case, a solid propellant, and a seal attached to the motor. The seal isolates the solid propellant from a fluid external of the case, and the seal is at least partially transparent.. ... Aerojet Rocketdyne Inc

Magnetic latch throttle valve

A latch valve includes a ferromagnetic shell, a ferromagnetic pole, a permanent magnet disposed within the ferromagnetic shell, an electromagnet disposed within the ferromagnetic shell, a seal, and a magnetic plunger disposed within the ferromagnetic shell. The ferromagnetic shell, the permanent magnet, the electromagnet and the magnetic plunger are configured in a magnetic circuit, and the magnetic plunger is configured to selectively compresses the seal based on a force produced by the magnetic circuit.. ... Aerojet Rocketdyne Inc

Rocket motor with concentric propellant structures for shock mitigation

A solid rocket motor includes a first solid propellant and a second solid propellant at least partially surrounding the first solid propellant. The second solid propellant is resistant to fragment impact and the first solid propellant has a higher impulse than the second solid propellant.. ... Aerojet Rocketdyne Inc

Ignition system

An ignition system includes a multi-metallic ignition body that has at least two metallic elements in contact with each other. The metallic elements define an ignition initiation temperature above which there is a self-sustaining alloying reaction. ... Aerojet Rocketdyne Inc

Magnetic latch valve

A latch valve includes a ferromagnetic shell, a ferromagnetic pole, a permanent magnet, an electromagnet, and a ferromagnetic plunger that is disposed within the ferromagnetic shell.. . ... Aerojet Rocketdyne Inc

Valve assembly with electronic control

A valve assembly includes a housing (22) that has a fluid input (24) and a fluid output (26). A pintle (30) is disposed in the housing, and an actuator (36) is operatively coupled to move the pintle. ... Aerojet Rocketdyne Inc

Rocket thruster nozzle with connectors and brace

A thruster nozzle (24) includes a throat (28) and a nozzle end portion (30) that is integral with the throat. The nozzle end portion includes an outer wall (32) that has a plurality of circumferentially-disposed nozzle features or connectors (34). ... Aerojet Rocketdyne Inc

Valve assembly with adjustable spring seat

A valve assembly includes a valve body, a first spring seat disposed within the valve body, a preload spring disposed within the valve body and mated with the first spring seat, and a second spring seat disposed within the valve body and mated with the preload spring. The second spring seat is adjustably mated to the valve body.. ... Aerojet Rocketdyne Inc

Power architecture for solar electric propulsion applications

Systems and methods for powering an electrical thruster (112) of a vehicle (100). The methods comprise providing an unregulated high voltage output current of a high voltage solar array (122) directly to an electric propulsion system (104) of the vehicle. ... Aerojet Rocketdyne Inc

Additive manufacturing using pressurized slurry feed

An additive manufacturing process includes pressurizing and heating a slurry, flowing the pressurized heated slurry through a nozzle, and depositing the slurry in a predetermined pattern.. . ... Aerojet Rocketdyne Inc

06/29/17 / #20170184109

Turbopump with axially curved vane

A turbopump includes an impeller (22) that is rotatable about an axis (a). A discharge collector (28) is located radially outward of the impeller. ... Aerojet Rocketdyne Inc

06/15/17 / #20170166491

Hydroxylammonium nitrate monopropellant with burn rate modifier

A monopropellant includes 30-70% by weight of an oxidizer including hydroxylammonium nitrate, 5-50% by weight of a fuel, and a burn rate modifier in a non-zero amount of up to 3% by weight. The burn rate modifier can be selected from vanadium salts, iron salts, and combinations thereof. ... Aerojet Rocketdyne Inc

04/06/17 / #20170096962

Throat area control system

A system includes a combustion chamber that has a throat, and a regulator for changing area cross-sectional area of the throat. The regulator includes a first piston in fluid connection with the combustor, and a second piston that is moveable with the first piston. ... Aerojet Rocketdyne Inc

03/16/17 / #20170074252

Electric propulsion power circuit

A circuit (400, 700, 800) comprising: a first power source (402) supplying first current to a load (470) during a first period of time (“pot”); a second power source (416) supplying a second current to the load during a second pot; a unidirectional current valve (“ucv”) in series with the first power source; a current detector (420, 702, 802) in series with the ucv (422); and a switch (424) in parallel with a series combination of the current detector and ucv to bypass the ucv during the second pot. The current detector determines whether the second period of time has commenced and whether the switch has closed.. ... Aerojet Rocketdyne Inc

01/19/17 / #20170016704

Lightweight munition

A munition includes a composite case, a blast cone housed by the composite case, a grenade aft of the blast cone and housed by the composite case, a first attenuator forward of the blast cone, and a second attenuator aft of the blast cone and forward of the grenade.. . ... Aerojet Rocketdyne Inc

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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Aerojet Rocketdyne Inc in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Aerojet Rocketdyne Inc with additional patents listed. Browse our Agent directory for other possible listings. Page by