Carrier

An energy storage device (ESD) (240A) system includes a battery module (310) that includes individual cases (320). Each of the individual cases includes a battery cell (326). The ESD system (240A) further includes an ESD pump (340) and a battery management system (BMS) (330). The ESD pump (340) is operable to flow immersion fluid into, through, and out of the battery module (310) and the individual cases (320). The BMS (330) is operable to make a determination that a status of the battery cell (326) is out-of-range, and, responsive to the determination that the status of the battery cell (326) is out-of-range, control operations of the ESD pump (340).

According to embodiments, an energy storage device, ESD, holder (310, 310A) includes a main body (310B), one or more ESD openings (310F) in the main body (310B), and one or more vacancy regions (310G) in the main body (310B). Each of the one or more vacancy regions (310G) is operable to hold a fluid. A first ESD opening of the one or more ESD openings (310G) is operable to prevent the fluid from contacting an ESD (320) within the first ESD opening.

A compact heat exchanger assembly for a refrigeration system includes a heat rejection heat exchanger assembly (22) and a heat absorption heat exchanger assembly (24). The heat rejection heat exchanger assembly (22) includes a primary heat exchanger (50) and a secondary heat exchanger (52). The primary heat exchanger (50) has a tube bank (60, 62; 120, 122) extending between a first manifold (70; 130) and a second manifold (72; 132). The tube bank (60, 62; 120, 122) being provided with at least one bend (124) such that the primary heat exchanger (50) has a generally curvilinear shape. The secondary heat exchanger (52) is disposed between the first manifold (130) and the second manifold (132).

An electronics enclosure system includes an enclosure (10), one or more electronics racks (12) positioned in the enclosure (10) and a cooling system to cool the one or more electronics racks (12). The cooling system includes a plurality of spray nozzles (22) positioned inside the enclosure (10) and configured to spray a cooling fluid onto the electronics rack (12) to cool the electronics rack (12). The plurality of spray nozzles (22) are operably connected to a vapor compression circuit (26) configured to cool the cooling fluid.A method of cooling an electronics rack (12) includes positioning one or more electronics racks (12) in an enclosure (10), operating a cooling system to spray a cooling fluid onto the electronics rack (12) from a plurality of spray nozzles (22) positioned inside the enclosure (10) to cool the electronics rack (12), and cooling the cooling fluid via a vapor compression circuit (26) operably connected to the plurality of spray nozzles (22).

A system for conditioning air, the system having: a controller; an energy storage system (ESS) that is a battery, wherein the ESS is operable to power the system; and an AC power bus for connecting the system to an AC power grid to selectively charge the ESS; wherein the controller is configured to: request, from the ESS, health state data of the ESS; determine a health state of the ESS from the health state data; and request a replacement ESS responsive to the health state of the ESS.

A system (100), having: a cargo box (120) defining an interior cargo space (122); a TRU (150) at the front end (130) of the cargo box (120), and includes a cooling system (155) to maintain the interior cargo space (122) at a set temperature, the TRU (150) consumes of at least one type of energy source (158) to run the cooling system (155); and a controller (160) for selectively cooling the interior cargo space (122) by switching a run mode of the cooling system (155) between a start-stop mode and a continuous-run mode, depending on a consumption of energy from an energy source (158) by the TRU (150), the controller (160) determines the consumption from at least one factor, including: an atmospheric condition; a time of day; a geographic location of the cargo box (120); the set temperature for the interior cargo space; a type of goods; or a type of energy source.

A heating system (130) having a first heating appliance (132) powered by electricity provided via: a transmission line (160) from an electric power grid (150) that provides electricity to a plurality of buildings including the building (130); a second heating appliance (134) powered via a fuel; and a controller (131) operationally coupled to the first heating appliance (132) and the second heating appliance (134), and configured to receive control signals over a telecommunications network (240), wherein the control signals are associated with reducing consumption of electricity via the electric power grid (150), wherein, responsive to receiving the control signals, the controller (131) is configured to switch between powering the first heating appliance (132) via the electric power grid (150) and the second heating appliance (134) with the fuel.

A transportation refrigeration system (100), having: a cargo box (120) extending from a front end (130) to an aft end (140); a transportation refrigeration unit (TRU) (150) at the front end of the cargo box; wherein the TRU includes: a controller (160); a flow motivator (170); an evaporator coil (185); a first temperature sensor (305A) mounted near the evaporator coil; and a second temperature sensor (305B) mounted within the cargo box; wherein the controller is configured to cycle the flow motivator between an on-phase when a cargo box temperature is at or above an upper setpoint and an off-phase when the cargo box temperature is at a lower setpoint; and wherein following a defrost event that defrosts the evaporator coil, the controller is configured to monitor the second temperature sensor for determining when to transition between the on-phase and the off-phase, until a stable condition of the first sensor is determined.

A cooling system (100) includes a heat removal device (102) operable to cool a stacked microchip assembly (64). The heat removal device (102) includes a structure (104) having a first end (106), a second end (108), at least one sidewall (110) extending between and connecting the first end (106) and the second end (108), and a hollow interior. The stacked microchip assembly (64) is positionable within the hollow interior. An inlet cavity (112) and an outlet cavity (114) are arranged within the hollow interior and are fluidly connectable to at least one passageway (66) formed in the stacked microchip assembly (64). An inlet opening (116) is formed in the structure (102) and is fluidly connected with the inlet cavity (112). An outlet opening (118) formed in the structure (102) is fluidly connected with the outlet cavity (114). A first cooling fluid (C1) is movable from the inlet cavity (112) to the outlet cavity (114) through the at least one passageway (66) formed in the stacked microchip assembly (64).

This application provides a heat exchanger (1) capable of recovering lubricating oil according to liquid level changes using the heat exchanger (1) as an evaporator.The heat exchanger (1) includes a heat exchanger shell (101), a refrigerant inlet (102), a refrigerant outlet (103), a heat exchange tube bundle (104), a first lubricating oil return port (105) opened on a side surface of the heat exchanger shell (101), and a second lubricating oil return port (106) opened on the side surface of the heat exchanger shell (101) and closer to the top of the heat exchanger shell (101) than the first lubricating oil return port (105).By arranging the first lubricating oil return port (105) and the second lubricating oil return port (106) at different positions in a height direction of the heat exchanger shell (101), when the working condition of the heat exchanger (101) changes, the lubricating oil return port (105,106) matched with a liquid level in a heat exchanger shell cavity (101a) is switched, thereby avoiding the problem that an operation of a compressor is affected due to no oil recovery that may occur when the liquid level in the heat exchanger shell (101) fluctuates excessively due to only using one fixed lubricating oil return port.