An aircraft heating assembly including an internal combustion engine having a liquid coolant system distinct from any fuel and lubricating system of the engine and including cooling passages in the internal combustion engine for circulating a liquid coolant from a coolant inlet to a coolant outlet, a coolant circulation path outside of the internal combustion engine and in fluid communication with the coolant inlet and the coolant outlet, and a heating element in heat exchange relationship with a portion of the aircraft to be heated. The coolant circulation path extends through a heat exchanger configured to remove a portion of a waste heat from the liquid coolant. The heating element is in heat exchange relationship with the coolant circulation path to receive another portion of the waste heat therefrom. A method of heating a portion of an aircraft is also discussed.

Method for operating a power plant for generating energy, comprising at least one stationary internal combustion engine (1) and a district heating system (20) connected to the at least one internal combustion engine (1) in a heat exchange relationship, wherein the at least one internal combustion engine (1) is configured to deliver a mechanical power by burning a fuel, wherein on the one hand the at least one internal combustion engine (1) is cooled and on the other hand heat is supplied to the district heating system (20) through a heat exchange between the district heating system (20) and the at least one internal combustion engine (1) and wherein at least one additional cooling device (12) is provided,
wherein the cooling of the at least one internal combustion engine (1) is effected—at least partially—using the at least one additional cooling device (12) when a transient performance requirement for the at least one internal combustion engine (1) occurs.

A vehicle comprising an interior; a heat source in thermal communication with the interior; a source of ultraviolet light disposed to emit the ultraviolet light into the interior; and a controller in communication with the heat source and the source of the ultraviolet light, the controller configured to cause (i) the heat source to increase a temperature of the interior, (ii) the source of the ultraviolet light to emit the ultraviolet light into the interior, or (iii) both (i) and (ii) upon receiving a command from a remote user interface. The vehicle can further include a combustion engine that combusts fuel to propel the vehicle. The vehicle can further include a battery in electrical communication with the source of the ultraviolet light and in communication with the controller, the battery having a voltage.

A heater comprises a combustion chamber and a jacket extending about the combustion chamber. There is a fan having an output which communicates with the combustion chamber to provide combustion air. There is also a fuel delivery system having a variable delivery rate. A burner assembly is connected to the combustion chamber. The burner assembly has a burner mounted thereon adjacent the combustion chamber. The burner receives fuel from the fuel delivery system. There is an exhaust system extending from the combustion chamber. An oxygen sensor is positioned in the exhaust system to detect oxygen content of exhaust gases. There is a control system operatively coupled to the oxygen sensor and the fuel delivery system. The control system controls the delivery rate of the fuel delivery system according to the oxygen content of the exhaust gases.

A hybrid vehicle has an internal combustion engine and an electric drive, each with a cooling circuit with a heat transfer medium and a cooler. A pre-heating circuit is provided between the cooling circuits and it is thermally coupled to the cooling circuit of the electric drive via heat coupling element as a shared component, for a controlled heat exchange between the heat transfer media of the two cooling circuits. The pre-heating circuit has an electrical auxiliary heater, which is connected to the heat coupling element in series, such that the heat transfer medium of the first cooling circuit likewise flows through the electrical auxiliary heater. The electrical auxiliary heater is arranged and designed such that heat generated by the electrical auxiliary heater can be transferred, where necessary, into at least one of the two cooling circuits.

Method for operating a power plant for generating energy, comprising at least one stationary internal combustion engine (1) and a district heating system (20) connected to the at least one internal combustion engine (1) in a heat exchange relationship, wherein the at least one internal combustion engine (1) is configured to deliver a mechanical power by burning a fuel, wherein on the one hand the at least one internal combustion engine (1) is cooled and on the other hand heat is supplied to the district heating system (20) through a heat exchange between the district heating system (20) and the at least one internal combustion engine (1) and wherein at least one additional cooling device (12) is provided,
wherein the cooling of the at least one internal combustion engine (1) is effected—at least partially—using the at least one additional cooling device (12) when a transient performance requirement for the at least one internal combustion engine (1) occurs.

A pneumatic system installed on a vehicle and method of using the system to preheat compressor oil and/or components of the system to promote operation in cold weather conditions. The pneumatic system includes a compressor that generates compressed air in which oil is entrained, a separation tank that separates the oil from the air prior to the oil being returned to the compressor, and a heating element located within the separation tank and contacting the oil within the separation tank. Engine coolant of an engine cooling system of the vehicle flows through the heating element and the heating element transferring heat from the engine coolant to the oil within the separation tank to increase the temperature of the oil.

The housing includes fastening parts formed integrally with the housing main body and fastening holes formed in correspondence with the fastening parts. The housing main body is fixed to a heating element with fastening members passed through the fastening holes and screwed to the heating element. The fastening holes include at least three fastening holes. The opening of an inlet port is formed inside a triangle that is formed by connecting the three fastening holes.

A hybrid heat transfer assembly includes operating equipment having a coolant loop including a cooling fluid inlet and a cooling fluid outlet. A radiator has a radiator inlet connected to the cooling fluid outlet, and a radiator outlet connected to the cooling fluid inlet. A radiator fan proximate the radiator directs air across the radiator. A chiller includes an evaporator having an evaporator inlet connected to the cooling fluid outlet, and an evaporator outlet connected to the cooling fluid inlet. A compressor is connected to the evaporator, a condenser is connected to the compressor, and an expansion valve is connected to the condenser and evaporator. A refrigerant loop connects the evaporator and compressor, the condenser and compressor, and the expansion valve to the condenser and the evaporator. A condenser fan proximate the condenser directs air across the condenser.

A temperature control apparatus of a vehicle according to the invention stops activating a heat pump and supplies heat exchanging liquid from an engine passage to a battery passage when a warming of the battery is requested and a temperature of the heat exchanging liquid flowing out of the engine passage is equal to or lower than a permitted upper limit temperature. On the other hand, the apparatus activates the heat pump to cool the heat exchanging liquid and supplies the cooled heat exchanging liquid from the engine passage to the battery passage when the warming of the battery is requested and the temperature of the heat exchanging liquid flowing out of the engine passage is higher than the permitted upper limit temperature.