A transport refrigeration system includes a refrigeration unit including a plurality of components fluidly coupled to form a closed loop refrigeration circuit. A power source is configured to provide electrical power to the refrigeration unit. An exhaust gas generated by the power source is provided at an outlet of the power source. The exhaust gas at the outlet of the power source is supersaturated and the outlet of the power source is fluidly coupled to an outlet of the transport refrigeration system. A source of at least one of heat and fluid is coupled with the exhaust gas at a location upstream from the outlet of the transport refrigeration system. The exhaust gas at a location downstream from the source is not supersaturated.

A cab heating system for a vehicle comprising a turbine engine, a heat exchanger, and a duct. The turbine engine generates exhaust containing waste heat. The heat exchanger comprises a first portion, a second portion, and first and second lines for carrying auxiliary working fluid between the first and second portions. The duct is operatively connected to carry exhaust from the turbine engine to the first portion of the heat exchanger. The first portion of the heat exchanger transfers waste heat of the exhaust generated by the turbine engine to the auxiliary working fluid. The first line carries the auxiliary working fluid to the second portion of the heat exchanger. The heat exchanger extracts heat from the auxiliary working fluid. The second line carries the auxiliary working fluid to the first portion of the heat exchanger.

A thermal management system for a vehicle includes a heating refrigerant circulation circuit, a heat pump cycle and a heat-discharge refrigerant circulation circuit A heating circulation section of the heating refrigerant circulation circuit, a recovery circulation section of the heat pump cycle, and a heat-discharge circulation section of the heat-discharge refrigerant circulation circuit are integrally configured as a combined heat exchanger that is capable of performing heat transfers at least between the cycle refrigerant and the heating refrigerant and between the heat-discharge refrigerant and the heating refrigerant. Furthermore, the heating refrigerant, the cycle refrigerant and the heat-discharge refrigerant are heat mediums each of which has a phase change during the heat transfer.

A combustion chamber assembly unit for a fuel-operated vehicle heater includes a combustion chamber housing, a combustion chamber formed in the combustion chamber housing, an evaporator medium for the absorption of liquid fuel and for the discharge of fuel vapor into the combustion chamber, and a heating/ignition device for heating the evaporator medium or/and for igniting a mixture of fuel and combustion air formed in the combustion chamber. The heating/ignition device includes at least one radiation source for the emission of electromagnetic radiation into the combustion chamber and at least one absorption body for the absorption of electromagnetic radiation emitted into the combustion chamber.

A method is provided for operating a fuel-operated vehicle heater (10) during a start phase of combustion operation. The heater includes a combustion air feed device (26) feeding air and a fuel feed device (22) feeding fuel (B) to a burner area (12) with a combustion chamber (16). An electrically energizable ignition element (32) ignites a fuel/air mixture formed. The method includes energizing the ignition element (32) in a preheating phase prior to the fuel feed, at a time of entry into an ignition phase, detecting electrical resistance of the ignition element (32) and determining a desired resistance based on the electrical resistance of the ignition element (32) detected and operating the ignition element (32) in a resistance-regulating operating mode during the ignition phase such that an actual resistance of the ignition element (32) is in the range of the determined desired resistance of the ignition element (32).

The invention relates to a heating device for heating air, having a primary heat source (10) and a heat exchanger (2). The heat exchanger (2) has an interior space (22) for receiving the primary heat source (10) and transfers thermal energy generated by the primary heat source (10) to the air. The heat exchanger (2) includes a holding element (21) for receiving an electric heating element (11) as a secondary heat source (2). The heat exchanger (2) consists of a first heat exchanger unit (201) and a second heat exchanger unit (202).

A vehicle heater includes a combustion chamber assembly unit (18) to be fed with fuel and combustion air, a housing (22) with a circumferential wall (24) defining a combustion air flow space (26), a combustion air blower (30) adjoining an end face (28) of the circumferential wall (24) of the housing (12) in the direction of a housing longitudinal axis (L), a fuel feed line and a sealing formation with a first sealing formation area arranged between the end face (28) of the circumferential wall (24) and the blower housing (32). A second sealing formation area (62) is positioned to mesh with a fuel feed line passage opening (38) for establishing a closure between the circumferential wall (24) and the fuel feed line (36). The sealing formation (56) includes a sealing element (54) providing the first sealing formation area (58) and the second sealing formation area (62).

A coolant heating apparatus for an electric vehicle includes a sheath heater formed in a coil form at a center side of the coolant heating apparatus; one or more inner tubes, one of which has an inlet formed at one side thereof for introduction of coolant, the one or more inner tubes being arranged to surround the sheath heater or to be surrounded by the sheath heater, and the one or more inner tubes having a plurality of through-holes formed on respective outer peripheral surfaces thereof so that the coolant introduced into the inlet is discharged through the through-holes; and an outer tube surrounding the sheath heater and the one or more inner tubes and having an outlet formed at one side thereof so that the coolant heated by the sheath heater is introduced through the through-holes of the one or more inner tubes and is discharged through the outlet.

A combustion air blower, especially side channel blower, for a fuel-operated vehicle heater, includes a blower housing (38). An air flow space (44), through which combustion air being fed can flow, is formed in the blower housing (38). Air flowing over an inlet area (55) into the air flow space (44) flows to a feed area enclosing a feed wheel (48). At least one hydrocarbon storage element (70, 88) is formed in the air flow space (44), for storing gaseous hydrocarbon present in the air flow space (44).

A combustion chamber assembly unit for a fuel-operated vehicle heater includes a combustion chamber housing (14) elongated in a direction of a housing longitudinal axis (L), with a combustion chamber (16) radially outwardly bounded by a circumferential wall (18), and with a combustion chamber bottom (20) axially delimiting the combustion chamber (16). A combustion air feed volume (36) is provided that is open to the combustion chamber (16) via a plurality of passage openings (38). A cooling medium feed device (46) is provided for feeding a liquid cooling medium to the combustion air feed volume (36).