Abstract: An air conditioner includes an indoor unit, an outdoor unit, and a controller. The outdoor unit is connected to the indoor unit, and the outdoor unit includes a housing, a compressor, a four-way valve, an outdoor fan, a separating device, and a plurality of outdoor heat exchangers arranged in parallel.

Abstract: A system for electric aircraft navigation includes a sensor configured to detect a navigation signal, a flight controller, wherein the flight controller is configured to receive the navigation signal, identify a navigation status as a function of the navigation signal, and determine an aircraft adjustment as a function of the navigation status, and a pilot display, wherein the pilot display is configured to display the aircraft adjustment to a user, and present an autonomous function configured to enact the aircraft adjustment automatically.

Abstract: A method comprising reducing the pressure of a carbon dioxide injection stream with a first pressure reducer having a depth and producing a reduced pressure carbon dioxide stream; reducing the pressure of the reduced pressure carbon dioxide stream with a second pressure reducer positioned at a lower depth than the first pressure reducer to produce a further reduced pressure carbon dioxide stream; and injecting the further reduced pressure carbon dioxide stream into a reservoir having a depth; wherein the pressure of the carbon dioxide stream at the depth of the first pressure reducer is greater than a bubble point pressure of the carbon dioxide injection stream at the depth of the first pressure reducer; wherein the pressure of the further reduced pressure carbon dioxide stream at the depth of the reservoir is less than a minimum fracture pressure of the reservoir at the depth of the reservoir.

Abstract: An air conditioner includes a chassis and an electric control box vertically installed on the chassis. The chassis includes a socket. The electric control box includes a pre-positioning member and a fixation structure provided at a bottom of the electric control box. The pre-positioning member corresponds to the socket. The pre-positioning member is configured to be inserted in the socket of the chassis to position the electric control box. The fixation structure is configured to connect and fix the electric control box to the chassis.

Abstract: A system and method for controlling and diagnosing an automotive climate control or environmental system with an electronic or mobile device is disclosed. The system provides for wireless control between the system controllers and an electronic device, such as an electronic device or computer, with instructions executed on a processor to display on the electronic device or the computer-human interface display device with a user interface region or a graphical user interface. Using wireless technology features of an electronic device, the automotive climate control system is wirelessly controlled from the electronic device containing software connected with the climate control system software and firmware mounted within the vehicle that rotates servo motors, and operates fan speed and compressor activity. The user interface regions may be used to create preset, predetermined desired positions of system mode, temperature, fan speed, and the display color and appearance of the user interface region.

Abstract: A rotating detonation combustor (RDC) and an associated system is disclosed herein. The RDC can be operably coupled with a vehicle to provide additional power capability over the primary motive power source. The RDC can be operated on demand to provide power to a turbine connected to an electrical power generator in some forms. The RDC can be used in stationary systems as well as moving vehicle systems.

Abstract: A damper of a heating, ventilation, and/or air conditioning (HVAC) system includes a damper blade having a blade body with a hollow portion extending to an end of the blade body. The damper also includes an axle defining an axis about which the damper blade is configured to rotate, where the axle extends from the end of the blade body. The damper also includes a spring thrust bearing having a spring thrust bearing opening through which the axle extends. The spring thrust bearing is configured to support an axial load of the damper blade. The damper also includes an end cap disposed within the hollow portion of the blade body such that the end cap is flush with the end of the blade body.

Abstract: A process for separating carbon dioxide from a feed gas comprising carbon dioxide may comprise compressing the feed gas in a feed gas compressor to produce a compressed feed gas. The process may also comprise separating the compressed feed gas by an adsorption process comprising: using a plurality of adsorbent beds to produce a carbon dioxide-enriched product stream and a carbon dioxide-depleted stream, and a blowdown step. A blowdown gas may be removed from the adsorbent bed. The process may also comprise compressing the blowdown gas in the feed gas compressor and combining the blowdown gas with the compressed feed gas.

Abstract: Disclosed are an indoor unit and an air conditioner. The indoor unit has a chassis, a washing module, and a water blocking structure. The chassis has a condensate area and an effluent area adjacent to the condensate area and positioned above the condensate area. A portion of a bottom of the effluent area adjacent to the condensate area is recessed with a water outlet hole in communication with the condensate area. The washing module is mounted on the chassis and has a discharge pipe extending into the effluent area. The water blocking structure is arranged between the condensate area and the effluent area. A top end of the water blocking structure is connected to the washing module, and a lower end of the water blocking structure is in front of the water outlet hole to shield a part of the water outlet hole.

Abstract: An apparatus for swarm communication for an electric aircraft fleet, wherein the apparatus includes a plurality of electric aircraft connected by a mesh network. The apparatus further includes a computing device communicatively connected to the mesh network, wherein the computing device includes an authentication module configured to authenticate each electric aircraft and facilitate communication of a plurality of aircraft data between the plurality of electric aircraft. The computing device includes a plurality of communication components, each assigned to an electric aircraft of the electric aircraft fleet, wherein each communication component is configured to transmit the aircraft data to the communication component of its assigned electric aircraft. The apparatus further includes a cloud database configured to record the plurality of aircraft data.

Abstract: Hydrogen is liquefied through a process utilizing refrigeration from hydrogen at one, two, or three different pressures as well as a nitrogen refrigeration cycle. One or more stages of catalyst are used to convert ortho-hydrogen to para-hydrogen as the hydrogen is cooled and liquefied. Subcooled liquid hydrogen feeds the final stage of ortho-hydrogen to para-hydrogen conversion to reduce or eliminate vaporization of the hydrogen during the exothermic ortho-hydrogen to para-hydrogen conversion.

Abstract: The present disclosure is directed to a sunshade system that monitors a position of the sun and adjusts a position of a frame and/or blades based on a position of the sun. For example, a heating, ventilation, and air conditioning (HVAC) unit of an HVAC system may be exposed to adverse, external weather conditions, such as sunlight, which may heat up components of the HVAC unit and decrease an efficiency of the HVAC system. Accordingly, a control system of the sunshade system may monitor the position of the sun and adjust the position of the frame and/or the blades to provide adequate shading for the HVAC unit.

Abstract: An adsorber for utilization in purification systems for cryogenic fluid processing can include a first layer of adsorbent material and a second layer of adsorbent material within a bed of adsorbent material within the adsorber. The first layer can include alumina or other water removal adsorbent material while the second layer can include NaMSX or other suitable molecular sieve adsorbent material. The first layer can be sized to be substantially smaller than the second layer to facilitate a pre-selected ratio of water adsorption to molecular sieve adsorption so that water can break through the first layer to the second layer during purification operations while the volume of the adsorber can be provided in a much smaller size with much less adsorbent material utilized in the bed as compared to conventional designs. Embodiments can provide an increased purification operational capacity with reduced need for adsorbent material.

Abstract: A multi-split air-conditioning system, a fault positioning method, and a fault diagnosis model training method are provided. The multi-split air-conditioning system includes an outdoor unit, a plurality of indoor units, a plurality of electronic expansion valves, and a controller. The controller is configured to: obtain feature data of each of the plurality of indoor units in a case where an electronic expansion valve in the multi-split air-conditioning system is faulty, the feature data including a temperature difference between a temperature value of a liquid pipe correspondingly connected to the indoor unit and a temperature value of an air pipe correspondingly connected to the indoor unit; determine an abnormal indoor unit in the plurality of indoor units according to the feature data of each of the plurality of indoor units; and determine the electronic expansion valve corresponding to the abnormal indoor unit as a faulty electronic expansion valve.

Abstract: A system with a safety feature for charging an electric aircraft. The system includes an electric aircraft port of an electric aircraft, a sensor on the electric aircraft, and a computing device communicatively connected to the electric aircraft port and the sensor. The electric aircraft port is configured to mate with a charging connector. The sensor is configured to detect a sensor datum of the charging connector. The computing device is configured to receive the sensor datum, generate a charging instruction set as a function of the sensor datum, transmit the charging instruction set to the electric aircraft port, and enable charging of the electric aircraft, by the charging connector and through the electric aircraft port, as a function of the charging instruction set. The charging instruction set includes a safety lock instruction. A method with a safety feature for charging an electric aircraft is also provided.

Abstract: A field emission (FE) cathode for a vacuum electronic device (VED) includes a metallic substrate configured to be connected to one of an electrical power supply and an electrical ground, and at least one continuous carbon nanotube (CNT) fiber in tension around at least a portion of the metallic substrate. The substrate can be a cylinder, hoop, plate, stub etc. The at least one continuous CNT fiber can include a filament, yarn, braided yarn, film, fabric, or combination thereof. The at least one continuous CNT fiber is secured to the electrically conductive substrate by vacuum brazing or any other suitable means. Also, a continuous CNT fabric can be secured in either tension or compression to maintain a uniform height of the continuous CNT fabric.

Abstract: A multi-coil microchannel heat exchanger includes a first coil including a first inlet header, a first outlet header and first microchannel tubes; a second coil including a second inlet header, a second outlet header and second microchannel tubes; a first inlet connector fluidly connected to the first inlet header; a first outlet connector fluidly connected to the first outlet header; a second inlet connector fluidly connected to the second inlet header; and a second outlet connector fluidly connected to the second outlet header. The first coil and the second coil are arranged successively along the length direction of the multi-coil microchannel heat exchanger. The multi-coil microchannel heat exchanger includes a first side and a second side along the length direction, the first inlet connector, the first outlet connector, the second inlet connector and the second outlet connector are all located at the first side.

Abstract: An inflator inflates inflatable webs. The inflator includes a web supply holding device that holds a supply of an inflatable web, a first gas moving device having a first inlet for receiving gas and a first outlet for expelling gas, a second gas moving device having a second inlet for receiving gas and a second outlet for expelling gas, and a nozzle. The first outlet is coupled to the second inlet such that gas expelled from the first outlet is received by the second inlet. The nozzle is coupled to the second outlet and inserts gas expelled from the second outlet into the inflatable web to inflate the inflatable web. Parameters of the first and second gas moving devices are selected based on a type of the inflatable web.