Abstract

The present invention provides kits and compositions for e.g., hypergolic ignition of rocket propellant. The disclosed kits and the compositions comprise inter alia a fuel, a gelling agent, and an ignition agent; wherein the ignition agent is stably dissolved within the fuel.

IPC Classes  ?

• C06B 27/00 - Compositions containing a metal, boron, silicon, selenium or tellurium or mixtures, intercompounds or hydrides thereof, and hydrocarbons or halogenated hydrocarbons
• C06B 23/00 - Compositions characterised by non-explosive or non-thermic constituents
• C06B 47/02 - Compositions in which the components are separately stored until the moment of burning or explosion, e.g. "Sprengel"-type explosivesSuspensions of solid component in a normally non-explosive liquid phase, including a thickened aqueous phase the components comprising a binary propellant

Abstract

An oxidizer tank is disclosed. The oxidizer tank comprises: a first shell and a second shell; and a flexible diaphragm separating the first shell from the second shell, thus defining: a first compartment, configured to contain the oxidizer; and a second compartment, configured to contain a pressurized gas. In some embodiments, the flexible diaphragm comprises a fluoro-organic polymeric material.

IPC Classes  ?

• B64G 1/22 - Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
• B64G 1/40 - Arrangements or adaptations of propulsion systems

Abstract

The present invention provides a particle and a composition for e.g., hypergolic ignition of rocket propellant. The disclosed particle and the composition comprise an energetic fuel additive and an ignition agent wherein the ignition agent is deposited on a surface of the particle.

IPC Classes  ?

• C06B 47/00 - Compositions in which the components are separately stored until the moment of burning or explosion, e.g. "Sprengel"-type explosivesSuspensions of solid component in a normally non-explosive liquid phase, including a thickened aqueous phase
• C06B 45/30 - Compositions or products which are defined by structure or arrangement of component or product comprising a coated component the component base containing an inorganic explosive or an inorganic thermic component
• C06B 27/00 - Compositions containing a metal, boron, silicon, selenium or tellurium or mixtures, intercompounds or hydrides thereof, and hydrocarbons or halogenated hydrocarbons
• C06B 47/02 - Compositions in which the components are separately stored until the moment of burning or explosion, e.g. "Sprengel"-type explosivesSuspensions of solid component in a normally non-explosive liquid phase, including a thickened aqueous phase the components comprising a binary propellant
• C06B 47/10 - Compositions in which the components are separately stored until the moment of burning or explosion, e.g. "Sprengel"-type explosivesSuspensions of solid component in a normally non-explosive liquid phase, including a thickened aqueous phase the components comprising a binary propellant a component containing free boron, an organic borane or a binary compound of boron, except with oxygen
• C06B 45/00 - Compositions or products which are defined by structure or arrangement of component or product
• C06B 45/18 - Compositions or products which are defined by structure or arrangement of component or product comprising a coated component
• C06B 45/12 - Compositions or products which are defined by structure or arrangement of component or product having contiguous layers or zones
• C06B 45/14 - Compositions or products which are defined by structure or arrangement of component or product having contiguous layers or zones a layer or zone containing an inorganic explosive or an inorganic thermic component
• C06B 45/04 - Compositions or products which are defined by structure or arrangement of component or product comprising solid particles dispersed in solid solution or matrix
• D03D 23/00 - General weaving methods not special to the production of any particular woven fabric or the use of any particular loomWeaves not provided for in any other single group
• D03D 43/00 - Looms with change-boxes

Abstract

The present invention provides kits and compositions for e.g., hypergolic ignition of rocket propellant. The disclosed kits and the compositions comprise inter alia a fuel, a gelling agent, and an ignition agent; wherein the ignition agent is stably dissolved within the fuel.

IPC Classes  ?

• C10L 7/00 - Fuels produced by solidifying fluid fuels
• C06B 47/02 - Compositions in which the components are separately stored until the moment of burning or explosion, e.g. "Sprengel"-type explosivesSuspensions of solid component in a normally non-explosive liquid phase, including a thickened aqueous phase the components comprising a binary propellant
• C06B 47/04 - Compositions in which the components are separately stored until the moment of burning or explosion, e.g. "Sprengel"-type explosivesSuspensions of solid component in a normally non-explosive liquid phase, including a thickened aqueous phase the components comprising a binary propellant a component containing a nitrogen oxide or acid thereof
• C06B 27/00 - Compositions containing a metal, boron, silicon, selenium or tellurium or mixtures, intercompounds or hydrides thereof, and hydrocarbons or halogenated hydrocarbons

Abstract

The present invention provides a particle and a composition for e.g., hypergolic ignition of rocket propellant. The disclosed particle and the composition comprise an energetic fuel additive and an ignition agent wherein the ignition agent is deposited on a surface of the particle.

IPC Classes  ?

• C06B 47/00 - Compositions in which the components are separately stored until the moment of burning or explosion, e.g. "Sprengel"-type explosivesSuspensions of solid component in a normally non-explosive liquid phase, including a thickened aqueous phase
• C06B 45/30 - Compositions or products which are defined by structure or arrangement of component or product comprising a coated component the component base containing an inorganic explosive or an inorganic thermic component
• C06B 27/00 - Compositions containing a metal, boron, silicon, selenium or tellurium or mixtures, intercompounds or hydrides thereof, and hydrocarbons or halogenated hydrocarbons
• C06B 47/02 - Compositions in which the components are separately stored until the moment of burning or explosion, e.g. "Sprengel"-type explosivesSuspensions of solid component in a normally non-explosive liquid phase, including a thickened aqueous phase the components comprising a binary propellant
• C06B 47/10 - Compositions in which the components are separately stored until the moment of burning or explosion, e.g. "Sprengel"-type explosivesSuspensions of solid component in a normally non-explosive liquid phase, including a thickened aqueous phase the components comprising a binary propellant a component containing free boron, an organic borane or a binary compound of boron, except with oxygen
• C06B 45/00 - Compositions or products which are defined by structure or arrangement of component or product
• C06B 45/18 - Compositions or products which are defined by structure or arrangement of component or product comprising a coated component
• C06B 45/12 - Compositions or products which are defined by structure or arrangement of component or product having contiguous layers or zones
• C06B 45/14 - Compositions or products which are defined by structure or arrangement of component or product having contiguous layers or zones a layer or zone containing an inorganic explosive or an inorganic thermic component
• C06B 45/04 - Compositions or products which are defined by structure or arrangement of component or product comprising solid particles dispersed in solid solution or matrix
• D03D 23/00 - General weaving methods not special to the production of any particular woven fabric or the use of any particular loomWeaves not provided for in any other single group
• D03D 43/00 - Looms with change-boxes

Abstract

The present invention provides a particle and a composition for e.g., hypergolic ignition of rocket propellant. The disclosed particle and the composition comprise an energetic fuel additive and an ignition agent wherein the ignition agent is deposited on a surface of the particle.

IPC Classes  ?

• C10L 7/00 - Fuels produced by solidifying fluid fuels
• C06B 27/00 - Compositions containing a metal, boron, silicon, selenium or tellurium or mixtures, intercompounds or hydrides thereof, and hydrocarbons or halogenated hydrocarbons
• C06B 33/00 - Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide
• C06B 45/30 - Compositions or products which are defined by structure or arrangement of component or product comprising a coated component the component base containing an inorganic explosive or an inorganic thermic component
• C06B 47/02 - Compositions in which the components are separately stored until the moment of burning or explosion, e.g. "Sprengel"-type explosivesSuspensions of solid component in a normally non-explosive liquid phase, including a thickened aqueous phase the components comprising a binary propellant

Abstract

There is provided, in accordance some embodiment, a method for enhancing autorotation performance of a rotary-wing aircraft in emergency events. The method comprises an action of receiving a request for emergency thrust from a user interface. The method comprises an action of sending a start command to an emergency engine coupled to a rotary-wing aircraft following the request. The method comprises an action of thrusting the rotary-wing aircraft coupled to the emergency engine in a direction substantially of a longitudinal axis of the rotary-wing aircraft, thereby enhancing autorotation performance of the rotary-wing aircraft in an emergency event.

IPC Classes  ?

• B64C 27/06 - Helicopters with single rotor
• B64C 27/22 - Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft
• B64D 41/00 - Power installations for auxiliary purposes
• B64C 27/04 - Helicopters