Of Weather Control Or Modification Patents (Class 239/2.1)

Abstract: The present invention provides for an ice-nucleating particle for cloud seeding and other applications, which can initiate ice nucleation at a temperature of ?8° C. Further, the ice nucleation particle number increased continuously and rapidly with the reducing of temperature. The ice nucleating particle in the present invention is a nanostructured porous composite of 3-dimensional reduced graphene oxide and silica dioxide nanoparticles (PrGO-SN). The present invention also provides for a process for synthesizing the PrGO-SN.

Abstract: The present invention relates to a method for determining a seeding effect area and a non-seeding effect area in accordance with a wind system according to the present invention can use numerical simulation data, radar precipitation data, and ground precipitation data to systematically specify the steps of determining the seeding effect area and the non-seeding effect area in accordance with the wind system. Moreover, the method according to the present invention can easily divide the seeding effect area and the non-seeding effect area according to the physical properties of clouds and quantitatively verify the effectiveness of artificial precipitation experiments conducted by purpose in the future.

Abstract: The invention concerns a device for seeding a cloud cell, comprising means for conveying an active substance and means for delivering said active substance. In order to comply with standard and safety requirements, said device comprises aerostatic means that cooperate with the means for conveying said active substance. The invention further concerns a system for seeding a cloud cell, comprising a seeding device according to the invention and a remote electronic entity capable of communicating with said device via communication means over a wired or wireless link.

Abstract: An aeronautical car includes a ground-travel system including a drivetrain; an air-travel system including a detachable portion configured to house a propulsion device configured to provide thrust and to be driven by the drivetrain when the detachable portion is connected to the aeronautical car, and at least one flight mechanism configured to provide lift once the aeronautical car is in motion; and a weather manipulation device. The weather manipulation device may be configured to manipulate at least one aspect of a weather condition while the aeronautical car is in the air.

Abstract: Systems and methods are described for generating low altitude clouds saturated with moisture above bodies of water including oceans, lakes, reservoirs, and rivers to generate rain down wind of the location of rain cloud generation.

Abstract: The system uses a specifically modified spray assembly to spray electrically charged fluid below selected clouds so that an updraft carries the charged fluid into the cloud and induces precipitation. The size, charge, and design of the sprayers are specifically designed to elicit precipitation.

Abstract: An aeronautical car comprises a ground-travel system including at least one traction device, an air-travel system including at least one flight mechanism configured to be selectively moved between a first position when the aeronautical car is in a driving mode and a second position when the aeronautical car is in a flying mode, and a weather manipulation device. The weather manipulation device may be configured to manipulate at least one aspect of a weather condition while the aeronautical car is in the air.

Abstract: This invention concerns an aircraft propulsion system in which an engine has an engine core comprising a compressor, a combustor and a turbine driven by a flow of combustion products of the combustor. At least one propulsive fan generates a mass flow of air to propel the aircraft. An electrical energy store is provided on board the aircraft. At least one electric motor is arranged to drive the propulsive fan and the engine core compressor. A controller controls the at least one electric motor to mitigate the creation of a contrail caused by the engine combustion products by altering the ratio of the mass flow of air by the propulsive fan to the flow of combustion products of the combustor. The at least one electric motor is controlled so as to selectively drive both the propulsive fan and engine core compressor.

Abstract: A system for use in inducing rainfall is provided. The system includes an aircraft configured to travel through an ambient environment at a first temperature, and a precipitation system coupled to the aircraft. The precipitation system is configured to form a particle from a substance in the ambient environment, and is configured to discharge the particle at a second temperature lower than the first temperature such that moisture in the air condenses on the particle.

Abstract: The present invention relates to a fog-generating device comprising a reagent (1), ignition means (2), a reservoir (3) containing a fog-generating material (4), and a heat exchanger wherein gas generated by ignition of the reagent (1) drives fog-generating material from said reservoir to said heat exchanger. Further it relates to a removable housing for a fog-generating device comprising a reagent and a reservoir containing a fog-generating material, wherein in that said removable housing further comprises means to allow transmission of an ignition signal from said fog-generating device to said reagent. The invention further provides the use of said device and/or removable housing for the generation of fog, in particular to protect against intruders and physical treat by persons. In a particular embodiment, the fog-generating device of the present invention or the removable housing therefore comprises depressurizing means (18).

Abstract: Disclosed are a warm cloud catalyst, a preparation method and an application thereof. The warm cloud catalyst comprises the following components in parts by weight: plant powder/plant ash/plant carbon powder 80-120 parts; surfactant dry powder 0.5-5 parts or a surfactant solution 15-32 parts; and a thickening agent 2-10 parts. All the components of the catalyst are easily wettable. The plant powder/plant ash/plant carbon powder is used as a dispersing agent and a vapor condensation nucleus; the surfactant can reduce surface tension of some cloud droplets and facilitate combination of the cloud droplets with other cloud droplets upon collision, so as to expand the cloud droplet spectrum; the thickening agent can absorb water and continuously expand to become large droplets in cloud. The catalyst is non-corrosive, is not easily agglomerated, is easy to store, produce and process, and is safe and nontoxic, available in material, and convenient and simple in use.

Abstract: Aspects of the invention are directed to a system including a tracer delivery device and a detector. The tracer delivery device is operative to emit a tracer including at least one of a terpene and a terpene alcohol into air. The detector is operative to detect the tracer in the air. In one or more embodiments, the tracer may include limonene mixed with isopropyl alcohol (LIPA). The corresponding detector may consist of a photoionization detector. The use of LIPA results in no emissions of global warming or environmentally dangerous chemicals, and the LIPA may be measured by photoionization with high sensitivity and in almost real time.

Abstract: This invention consists of a unique apparatus and system consisting of devices, materials and methods specially engineered to perform high precision and smart cloud seeding by the dispersion of micro and nanoparticles of sodium chloride and similar chemistry compounds at specific locations with the purpose of rain induction and related applications. A safe and precise unmanned aerial vehicle UAV device instrumented with portable thermometer, hygrometer, barometer, anemometer and 3D visual register will scrutinize these internal cloud climate parameters. By means of these real time measurements and communications, a meteorological ground operating team is enabled to perform the data acquisition and processing from the clouds. This device and system be enabled to select the locations suitable for rain induction and perform on site accurate particulate seeding dispersion from a device mounted on the same UAV within the eligible clouds.