63 results about "Air capture" patented technology

An air inlet duct for an air-breathing combined-cycle aircraft engines is internally divided into separate channels for low-speed and high-speed components of the engine, and contains one or more movable panels that are fully contained within the duct and pivotal between an open position in which incoming air is directed to both channels and a closed position in which all incoming air is directed to the channel leading to the high-speed engine. This integrated duct utilizes all incoming air at all stages of flight with no change in either the geometry of the air capture portion of the engine or the engine itself, and no exposure of movable leading edges. The result is a minimum of shock waves and a high degree of efficiency in operation of the engine.

Aft frame assemblies for a gas turbine transition pieces include a body comprising an exterior surface and a plurality of interior surfaces, one or more exterior cooling holes disposed on the exterior surface of the body for capturing compressor discharge air outside of the transition piece, and a supplemental component bonded to at least one of the plurality of interior surfaces of the body. At least one cooling channel is at least partially defined by the supplemental component and the interior surface that the supplemental component is bonded to, wherein the at least one cooling channel fluidly connects at least one of the one or more exterior cooling holes to one or more interior cooling outlets that discharge the compressor discharge air captured from the at least one of the one or more exterior cooling holes.

A vacuum chamber (2) for a direct air capture process and enclosing an interior space (13) for housing an adsorber structure (1) is given comprising a contiguous circumferential wall structure (115) along an axis (15), which circumferential wall structure (115) in an axial direction is closed by an inlet and an outlet axial wall (116), respectively, both axial walls (116) comprising at least one closing stainless steel lid (6) allowing for, in an open position, gas to be circulated through the vacuum chamber (2) for passing an adsorber structure (1), and, in a closed position, to close the interior space (13) and to allow evacuation of the interior space (13) down to pressure of 500 mbar_abs or less.

The invention discloses a solid rocket ramjet based on detonation combustion. The solid rocket ramjet comprises an outer shell, an inner core, an air inlet channel, an isolation section channel, a detonation combustion channel, a gas generator, a flow stabilizing ring cavity, a main fuel injection system, a rotary detonation combustion chamber, a tail spray pipe and other structures, wherein the air inlet channel, the isolation section channel and the detonation combustion channel are formed between the inner wall of the outer shell and the outer wall of the inner core; air captured by the air inlet channel is decelerated and pressurized in an isolation section and then enters the rotary detonation combustion chamber; the front portion of the inner core is of a hollow structure, the gas generator is arranged in the inner core, an oxygen-deficient solid propellant is combusted in the gas generator and forms fuel-rich gas, and the fuel-rich gas enters an expansion section of the isolation section channel through a main fuel injector, is fully mixed with fresh air and then is sprayed into the ring cavity of the rotary detonation combustion chamber; and the rotary detonation combustion chamber is provided with an ignition device, the tail spray pipe is installed at an outlet, chemical energy is converted into kinetic energy, and thrust is generated. The solid rocket ramjet has higher combustion efficiency and work performance.

The present invention relates to a process and an apparatus of ocean carbon capture and storage (Ocean CCS), which can be used for carrying out carbon capture and storage of flue gas discharged from marine facilities using fossil energy such as coastal power plants and marine ships, and direct air capture (DAC). The natural engineering method are adopted in the present invention, and natural seawater is used for washing and dissolving CO₂ gas for carbon capture; and natural seawater carbonate neutralization and formed bicarbonate is used for ocean storage in water column; and low head and large water flow is used to save energy. The discharged water complies with environmental regulations. The present invention provides an affordable and green effective mean for using marine ecosystems of carbon sinks and reservoirs to respond to the climate change.

A self-starting, self-aspirating valveless pulse-jet engine maximized to capture air during static operation. This invention is an improved adaptation of my U.S. Pat. No. 6,216,446, and continues to utilize a combustor tube, a forward-facing intake duct, a flame holder, a fuel supply means, and a spark plug to ignite the fuel-air mixture. To improve static air capture, the intake tubes of the intake duct, forward of the primary intake tube, that is joined to the combustion chamber, feature aggressively enlarged forward inlet mouths. By adjusting the relative diameters of the intake tubes that are inserted into each other, to achieve a greater difference of diameters, this adjustment, combined with aggressively enlarged intake tube mouths dramatically increases the ability of the intake duct to capture a maximum of air during static operation. Tests have shown the enlarged mouths are equally effective either as enlarged cupped mouths or as enlarged cones. Further improvement in air capture has been gained by adjusting the position of the aft end of the intake tube that is inserted inside the primary intake tube, so its position is in a range that is even with the plane created by the combustion chamber forward wall or just outside of the combustion chamber and closer to the mouth of the primary intake tube. (According to my U.S. Pat. No. 6,216,446, this intake tube was located so its aft end was inside the combustion chamber.) Further improvement in static air capture is made by specifying a diameter of the exhaust tube tail that has proved superior for air capture during static research testing. Capture of more air during static operation increases burn rate and thrust, and lowers specific fuel consumption, due to burning of leaner air-fuel mixtures. This invention also has improved thrust during dynamic operation, because the enlarged intake tube mouths capture more air during forward movement of the engine.

A system for providing ventilation to rack-mounted computers includes a plurality of rack-mounted computers on a plurality of motherboards each having a front end near a work space and a back end, a plurality of fans mounted near the back end of each of the plurality of motherboards and adapted to deliver heated air from the computers to a common warm-air plenum, and a plurality of motor controllers coupled to the plurality of fans and adapted to maintain a substantially constant exhaust temperature for each of the fans.

Methods of sequestering carbon dioxide (CO₂) are provided. Aspects of the methods include contacting an aqueous capture liquid, such as an aqueous capture ammonia, with a direct air capture (DAC) generated gaseous source of CO₂ under conditions sufficient to produce an aqueous carbonate liquid, such as an aqueous ammonium carbonate. The aqueous carbonate liquid is then combined with a cation source under conditions sufficient to produce a solid CO₂ sequestering carbonate. Also provided are systems configured for carrying out the methods.

The present invention pertains to a process for producing captured carbon dioxide. Calcium carbonate may be reacted with sulfur dioxide to produce calcium sulfite and gaseous carbon dioxide. Calcium sulfite may be thermally decomposed to produce gaseous sulfur dioxide. The processes may be used in conjunction with combusting various fuels such as a carbonaceous fuel, or a sulfurous fuel, or a nitrogenous fuel, or a hydrogen fuel, or a combination thereof.

The present disclosure provides systems and methods useful in capture of one more moieties (e.g., carbon dioxide) from a gas stream (i.e., direct air capture). In various embodiments, the systems and methods can utilize at least a scrubbing unit, a regeneration unit, and an electrolysis unit whereby an alkali solution can be used to strip the moiety (e.g., carbon dioxide) from the gas stream, the removed moiety can be regenerated and optionally purified for capture or other use, and a formed salt can be subjected to electrolysis to recycle the alkali solution back to the scrubber for re-use with simultaneous production of one or more further chemicals.

The present invention provides a novel system and method for collecting CO₂ and H₂O from ambient air, using the power of a blower forcing air or another gas through a Reverse Venturi device (also called a divergent-convergent duct), to decrease the velocity of the air over a carbon capture device, and thereby increase the pressure of the unit, which results in raising of the dew point and the subsequent condensation of water in the air. This reduces the sorbent that is absorbed by the passing air stream, and increases the uptake of water vapor when a sorbent is used that attracts water.

A helmet cover that has an outer skin, an impact absorbing material and at least one vent comprising an aperture through the helmet cover is described. A helmet cover vent may be aligned with a vent in a helmet, thereby providing for improved ventilation and cooling, and may be attached to a helmet. A helmet cover vent may be configured as a tapered or flared vent, and may be an, air capture vent. The impact absorbing material may be configured over substantially the entire helmet cover surface, or may cover only a portion of the surface. In one embodiment, the impact absorbing material is configured as a discrete pad that is located where impact is most common, such as on the front, sides, or back of the helmet cover. A discrete pad may be interchangeable, allowing for customizing the type and location of impact absorption on the helmet cover.