B64D2013/0674

THERMAL REGULATION OF BATTERIES
20200303788 · 2020-09-24 ·

A battery thermal management system for an air vehicle includes a liquid heat exchange circuit, an air heat exchange circuit in selective fluid communication with ram air, a liquid-air heat exchanger positioned on the liquid heat exchange circuit and the air heat exchange circuit to exchange heat therebetween. The system includes at least one battery in thermal communication with the liquid heat exchange circuit. The at least one battery is configured to at least one of charge or discharge to heat the at least one battery above a pre-determined minimum battery temperature. A method for controlling a thermal management system for an air vehicle includes determining if at least one battery is within a thermal range of operation for heating. The method includes charging and/or discharging the at least one battery to heat the at least one battery if the at least one battery is within the thermal range of operation for heating.

THERMAL REGULATION OF BATTERIES
20200303789 · 2020-09-24 ·

A battery thermal management system for an air vehicle includes a first heat exchange circuit, a battery in thermal communication with the first heat exchange circuit, and a heat exchanger positioned on the first heat exchange circuit. The heat exchanger is operatively connected to a second heat exchange circuit. The system includes a controller operatively connected to the second heat exchange circuit. The controller is configured to variably select whether heat will be rejected to the second heat exchange circuit. A method for controlling a thermal management system for an air vehicle includes determining an expected fluid temperature of fluid in a fluid heat exchange circuit. The method includes commanding a flow restrictor at least partially closed or commanding the flow restrictor at least partially open.

Cooling systems having inline supplemental ram air heat exchangers
10780982 · 2020-09-22 · ·

A cooling system for a vehicle can include a coolant loop having a coolant therein and configured to be in thermal communication with a heat load to receive heat from the heat load, a refrigeration system comprising an evaporator in thermal communication with the coolant loop to receive heat from the coolant loop, and a condenser configured to be in thermal communication with ram air to remove heat from the refrigeration system, an inline ram air heat exchanger disposed in a ram air stream of the condenser, and a ram air cooling branch in fluid communication with the coolant loop and configured to direct coolant to the ram air heat exchanger to cool the coolant.

Fuel tank with water bladder

A tank assembly is provided and includes a housing which has a housing volume and which is chargeable with a volume of a first fluid, a bladder disposed within the housing and chargeable with a second fluid such that the bladder has a minimal volume in an uncharged state and a flow system. The flow system includes a portion thereof which is coupled to the bladder and which has a second volume within the housing. The flow system is configured to at least charge the bladder with a volume of the second fluid which is equal to or less than a difference between the housing volume less a sum of the minimal volume and the second volume and the volume of the first fluid.

Method and device for thermal control of a plurality of cabins of a vehicle
10752365 · 2020-08-25 · ·

Disclosed is a method and a device for thermally controlling a plurality of cabins of a vehicle from a mixing chamber supplied with air from at least one air supply device of which at least the temperature is controlled, each cabin being supplied with air by a supply conduit specific to this cabin. At least one cabin is supplied with air at a temperature adjusted by at least one individual exchanger associated with the supply conduit specific to this cabin, in which a second circuit is supplied with a heat transfer fluid from at least one heat transfer fluid thermal regulation loop of the vehicle. Also disclosed is a vehicle provided with at least one thermal control device.

Temperature Control Equipment for Inside Aircraft or Similar Object
20200231304 · 2020-07-23 · ·

Temperature control equipment for inside aircraft or similar, comprises a closed-cycle cooling circuit, including compression means, a condensation/evaporation exchanger, an expansion valve and an evaporation/condensation exchanger, and further comprises an open-cycle air circuit arranged such that the air from the air circuit crosses through the condensation/evaporation exchanger. The air circuit incorporates an additional heat exchanger which, in heat pump mode operation, is positioned in the air flow path prior to the passage of the air through the condensation/evaporation exchanger, and, in turn, a pressurised and heated coolant flows through the additional heat exchanger from the closed-cycle cooling circuit.

Passive OBOGS temperature supply using conditioned avionics cooling
10710730 · 2020-07-14 · ·

In some examples, a temperature control system comprises a heat exchanger providing thermal communication between inlet air and an avionics temperature controlled fluid, for controlling the temperature of the inlet air for use in an onboard oxygen generating system (OBOGS). The inlet air that exits the heat exchanger can be used as supply air for the OBOGS.

Water injector for aviation cooling system

A water injector for an aviation cooling system includes a body having a first end, a second end, and an intermediate portion extending therebetween. A conduit extends through the body from the first end to the second end. A spray nozzle is fluidically connected to the conduit and arranged at one of the first end and the second end. A mounting plate is arranged at the other of the first end and the second end. The mounting plate is configured and disposed to secure the body to an aviation cooling component. A filter is supported at the body and is fluidically exposed to the conduit. The filter is configured and disposed to capture particulate flowing into the water injector towards the spray nozzle.

Aircraft-Based Atmospheric Water Generation System and Methods
20200198789 · 2020-06-25 ·

The invention is a system and method of use for the aircraft-based generation of usable water from atmospheric water vapor for storage and use within the aircraft.

WATER EXTRACTORS AND METHODS OF MAKING WATER EXTRACTORS
20200179851 · 2020-06-11 ·

A water extractor for an environmental control system includes a primary duct having an inlet and an outlet, a scupper with a scupper inlet extending about the inlet of the primary duct, and a supply duct. The supply duct is in fluid communication with the primary duct and has a wall with an interior surface terminating at the scupper inlet. The interior surface defines one or more one swirl groove within the wall for gathering and conveying liquid water entrained in an airflow traversing the inlet duct to the scupper inlet. Environmental control systems, methods of making water extractors, and methods of removing water from air flows are also described.