Abstract: A heat recovery system for an electric vehicle, including first and second switchable heat sources and a controller operable to selectively switch one of the heat sources into thermal communication with a compressor in a thermodynamic cycling system, the thermodynamic cycling system being in thermal communication with a heat sink; and a detector of a temperature differential between each of the switchable heat sources and a fluid entering the compressor; wherein the controller is operable to switch one of the first and second switchable heat sources into thermal communication with the thermodynamic cycling system when a temperature differential is detected between the fluid entering the compressor in the thermodynamic cycling system and the heat available from the switchable heat source, the temperature differential being such that the compressor is operable to upgrade low grade heat from the switchable heat source to a higher grade heat upon operation of the compressor.

Abstract: A controller (100) for a vehicle (1), the vehicle comprising: a powertrain (1P) comprising an electric machine (50) for providing motive power; cooling means (60, 80); and electrical energy storage means (70) for powering the electric machine (50), wherein the cooling means (60, 80) is configured to cool the electrical energy storage means (70) and a cabin (1C) of the vehicle and the vehicle (1) is configured to operate in a first or second driving mode, the controller (100) comprising: an input for receiving information indicative of a temperature of the energy storage means (70); and a processor arranged to generate a control signal in dependence on the information indicative of temperature of the energy storage means (70) and information indicative of the selected driving mode of the vehicle, wherein: if the vehicle is in the first driving mode the processor is configured to generate the control signal to limit or reduce an amount of power consumed by the powertrain (1P) in dependence on the information

Abstract: A controller (100) for a vehicle (1), the vehicle comprising: a powertrain (1P) comprising an electric machine (50) for providing motive power; cooling means (60, 80); and electrical energy storage means (70) for powering the electric machine (50), wherein the cooling means (60, 80) is configured to cool the electrical energy storage means (70) and a cabin (1C) of the vehicle and the vehicle (1) is configured to operate in a first or second driving mode, the controller (100) comprising: an input for receiving information indicative of a temperature of the energy storage means (70); and a processor arranged to generate a control signal in dependence on the information indicative of temperature of the energy storage means (70) and information indicative of the selected driving mode of the vehicle, wherein: if the vehicle is in the first driving mode the processor is configured to generate the control signal to limit or reduce an amount of power consumed by the powertrain (1P) in dependence on the information in

Abstract: Embodiments of the present invention provide a heat recovery system for an electric vehicle (1), comprising first and second switchable heat sources (65, 19) and a control means (20) operable to selectively switch one of the heat sources into thermal communication with a compressor (11) in a thermodynamic cycling system (12), the thermodynamic cycling system being in thermal communication with a heat sink (59, 159); and a detection means (39, 71, T3) operable to detect a temperature differential between each of the switchable heat sources and a fluid entering the compressor; wherein the control means is operable (adapted, arranged) to switch one of the first and second switchable heat sources into thermal communication with the thermodynamic cycling system when a temperature differential is detected between the fluid entering the compressor in the thermodynamic cycling system and the heat available from the switchable heat source, the temperature differential being such that the compressor (11) is operable to