CPC B60L 1/003 (2013.01) [B60H 1/00007 (2013.01); B60H 1/00278 (2013.01); B60H 1/00378 (2013.01); B60H 1/00392 (2013.01); B60H 1/0075 (2013.01); B60H 1/03 (2013.01); B60H 1/2218 (2013.01); B60H 1/2221 (2013.01); B60H 1/3227 (2013.01); B60L 50/60 (2019.02); E02F 9/207 (2013.01); E02F 9/2075 (2013.01); E02F 9/2095 (2013.01); E02F 9/226 (2013.01); E02F 9/2278 (2013.01); F15B 21/0423 (2019.01); F15B 21/0427 (2019.01); B60Y 2200/41 (2013.01); F15B 21/04 (2013.01); Y02T 10/70 (2013.01)] | 21 Claims |
1. A working machine comprising;
a hydraulic fluid circuit arranged to provide hydraulic fluid to one or more hydraulic actuators to perform a working operation;
a ground engaging propulsion structure;
an electrical energy storage device configured to provide, electrical energy to an electric motor to provide, at least in part, tractive power to the ground engaging propulsion structure and power to a hydraulic pump to provide pressurised hydraulic fluid to displace the or each hydraulic actuator;
an operator structure;
an operator structure heater arranged to supply heat energy to selectively warm the operator structure and an operator structure cooler arranged to remove heat energy to selectively cool the operator structure;
a heat exchanger arranged to selectively supply and remove heat energy to/from the hydraulic fluid circuit; and
a thermal management system connecting the heat exchanger to the operator structure heater to transfer heat from the hydraulic fluid to the operator structure heater; and
wherein the thermal management system is configured to preheat at least one or both of the operator structure and the hydraulic fluid to a target temperature prior to operation of the working machine.
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