Trane Technologies (TT) USPTO patents

A scroll compressor includes a compressor housing, an orbiting scroll member and non-orbiting scroll member intermeshed to form a compression chamber, a discharge pressure chamber, an intermediate pressure chamber.

Methods and related systems for operating a climate control system for an indoor space are disclosed.

A transport climate control system is described which comprises a controller configured to determine a power demand of a climate control circuit of the system and to provide power to the climate control circuit in a first power mode when the power demand is above a power threshold and to provide power to the climate control circuit in a second power mode when the power demand is at or below the power threshold.

A method for estimating refrigerant charge for an HVACR system is provided.

There is provided a HVAC system comprising: a fluid circuit for conveying a refrigerant; a compressor for compressing the refrigerant; three heat exchangers defining an evaporator, an outdoor exchanger and a heat recovery exchanger provided along the fluid circuit; an expansion valve provided along the fluid circuit; and a receiver connected in parallel to the expansion valve, wherein a fill valve is located between the receiver and a connection upstream of the expansion valve and a drain valve is located between the receiver and a connection downstream of the expansion valve; wherein the fluid circuit comprises a plurality of valves which are configured to be controlled based on a selected operating mode such that at least one of the outdoor exchanger and the heat recovery exchanger is connected to a discharge line of the compressor and in series with one of the other heat exchangers which is connected to a suction line of the compressor, with the expansion valve disposed between the heat exchangers; wherein the fill and drain valves are configured to be controlled to store a volume of refrigerant in the receiver so as to provide an effective refrigerant charge in the fluid circuit that corresponds to the selected operating mode.

Methods and related systems of detecting a temperature deviation in a heat exchanger coil of a climate control system.

A method for adjusting compression efficiency for an HVACR system having a variable-frequency drive (VFD) is disclosed.

Systems and methods for diesel particulate filter regeneration for a transport climate control system are provided.

A scroll compressor includes a compressor housing, an orbiting scroll member and non-orbiting scroll member intermeshed to form a compression chamber, a discharge pressure chamber, an intermediate pressure chamber.

Climate control systems and related methods and systems therefore a disclosed.

Methods and related systems for operating a climate control system for an indoor space are disclosed.

An evaporator apparatus for a refrigeration cycle of an HVAC system or a refrigeration system is disclosed that includes: a primary evaporator pathway for a working fluid of the refrigeration cycle extending through a primary expansion device and a primary evaporator; a secondary evaporator pathway for the working fluid in parallel with the primary evaporator pathway and extending through a secondary expansion device and a secondary evaporator; a coolant circuit for cooling a device, the secondary evaporator configured for heat exchange between the working fluid and process fluid of the coolant circuit; and a controller configured to control: the primary expansion device to maintain a target superheat of working fluid at a primary control location downstream of the primary evaporator; and the secondary expansion device based on monitoring a temperature of process fluid to maintain a target temperature of process fluid at a coolant control location in the coolant circuit.

Centrifugal compressors can incorporate a side stream flow of intermediate pressure vapor between stages of that compressor.

A method is provided for controlling an HVAC system.

This disclosure is directed to systems and methods for controlling compressor motors, particularly varying the operation parameters of the motor to provide heat to a lubricant of the motor.

Architectures or techniques are presented that can prioritize operating a consumption device in a manner that is efficient in terms of consumption of a resource over satisfying a specified demand assigned to the consumption device.

Methods of coupling a heat exchanger into a climate control system and associated systems are disclosed.

An interface system for connecting a vehicle and a transport climate control system (TCCS) is disclosed.