A method for adjusting compression efficiency for an HVACR system having a variable-frequency drive (VFD) is disclosed. The method includes determining a first compression efficiency, determining an operating point, determining a region of an operating map when a difference between the operating point and a previously determined operating point exceeds a predetermined threshold, adjusting a VFD input to a first input based on the region of the operating map, and controlling the VFD using the first input for a predetermined period of time. The method also includes determining a second compression efficiency and an operation restriction, adjusting the VFD input to a second input based on the operation restriction and a difference between the first compression efficiency and the second compression efficiency, and controlling the VFD using the second input. The method also includes utilizing machine learning control techniques to control several system variables to optimize the compression efficiency.

A disconnect system to be connected between a DC power source formed by the battery system of a vehicle and a load of the vehicle comprises at least one relay switch and at least one thermostat switch. The at least one relay switch is electrically connected between the DC power source and the load to form a power circuit. The at least one thermostat switch is secured to a sensed portion of the load. The at least one thermostat switch is connected to the at least one relay switch to form a control circuit. The at least one relay switch is closed when current flows through the control circuit. When a temperature of the at least one thermostat switch reaches a predetermined temperature level, the at least one thermostat switch prevents current from flowing through the control circuit.

A vehicle heating and cooling system has a vehicle evaporator coil, a vehicle HVAC user interface, a compressor, a compressor coil, and a controller. The controller is connected between the vehicle HVAC user interface and the compressor. The compressor and compressor coil are connected to the vehicle evaporator coil.

A clutch and a compressor including the same, and may include a hub fastened to a rotary shaft of a compressor and rotatable with the rotary shaft in a state where its position has been fixed, a disk fastened to the hub and rotatable with the hub, a pulley rotated by receiving power from a driving source of the compressor, an elastic member fastening the hub and the disk, fastening the hub and the disk so that the disk approaches or is away from the pulley based on the hub, a field coil assembly magnetized when power is applied to contact or space the disk and the pulley, an attenuation member interposed between the elastic member and the disk, thereby reducing the noise and vibration due to the contact and spacing between the disk and the pulley by the elastic member and the attenuation member.

A transport climate control system is disclosed. The transport climate control system includes a self-configuring matrix power converter having a charging mode, an inverter circuit, a controller, a first DC energy storage and a second DC energy storage, and a compressor. The first DC energy storage and the second DC energy storage have different voltage levels. During the charging mode, the inverter circuit is configured to convert a first AC voltage from an energy source to a first DC voltage, the controller is configured to control the self-configuring matrix power converter to convert the first DC voltage to a first output DC voltage to charge the first DC energy storage, and/or to a second output DC voltage to charge the second DC energy storage.

The various embodiments described herein include methods, devices, and systems for conditioning air and heating water in a vehicle. In one aspect, a method includes: (1) obtaining a desired temperature for an interior of the vehicle; (2) obtaining a desired temperature for water in a water storage tank of the vehicle; (3) determining a current interior temperature; (4) and a current water temperature; (5) if the current water temperature is below the desired water temperature, and if the current interior temperature is below the desired interior temperature, operating a system in a first mode to concurrently heat the water and heat the interior; and (6) if the current water temperature is below the desired water temperature, and if the current interior temperature is above the desired interior temperature, operating the system in a second mode to concurrently heat the water and cool the interior.

An interface system for connecting a vehicle and a transport climate control system (TCCS) is disclosed. The interface system includes a two-way communication interface that connects a vehicle electrical system (VES) controller and a TCCS controller. The interface system also includes a power interface that connects a vehicle energy source of the VES to the TCCS and a TCCS energy source of the TCCS to the VES. The two-way communication interface is configured to distribute a TCCS status from the TCCS controller to the VES controller, and is configured to distribute a VES status from the VES controller to the TCCS controller. The power interface is configured to distribute power from the vehicle energy source to the TCCS when a VES instruction is received, and distribute power from the TCCS energy source to the VES when a TCCS instruction is received.

A device for driving a compressor of a vaporous fluid, in particular an electric motor. The device includes a rotor and a stator having a stator core, arranged extending along a common longitudinal axis. A carrier element, which is formed having at least one receptacle element for a plug housing for accommodating at least one plug connector and also at least one clamping element for fixing the carrier element on the stator core as a coherent unit and one-piece component, is arranged pressing against a first end face of the stator aligned in an axial direction. The at least one clamping element is arranged on a side of the carrier element aligned in the axial direction and facing toward the stator core and having an inner side pressing against an outer side of an outer wall of the stator core, centering the carrier element on the stator core.

A seal arrangement for a plug-in connector for establishing electrical connections via a housing, in particular a device for driving a compressor. The seal arrangement exhibits a mounting element to accommodate plug-in connectors for transmitting electrical energy and data, and a sealing element located between the housing and the mounting element. The mounting element is designed with a flange with a sealing surface facing in the direction of the housing. The sealing surface of the flange thus exhibits a first contour and the housing exhibits a second contour in the area of the location of the sealing surface surrounding a pass-through opening.

A method for adjusting compression efficiency for an HVACR system having a variable-frequency drive (VFD) is disclosed. The method includes determining a first compression efficiency, determining an operating point, determining a region of an operating map when a difference between the operating point and a previously determined operating point exceeds a predetermined threshold, adjusting a VFD input to a first input based on the region of the operating map, and controlling the VFD using the first input for a predetermined period of time. The method also includes determining a second compression efficiency and an operation restriction, adjusting the VFD input to a second input based on the operation restriction and a difference between the first compression efficiency and the second compression efficiency, and controlling the VFD using the second input. The method also includes utilizing machine learning control techniques to control several system variables to optimize the compression efficiency.