[Problem] First and second heat exchangers are cooled in a compact layout. [0002] [Solution] A hydraulic excavator as an electric work machine includes a plurality of electric devices, a first heat exchanger that cools a refrigerant passing through at leas...

[Problem] To provide a traveling control method, a traveling control system, and a traveling control program that can improve the operability of an operator in a work vehicle that performs work while switching between autonomous traveling and manual travel...

[Problem] To provide an electric work machine having a compact layout and facilitating an increase in capacity of a battery unit while taking into consideration cooling efficiency when cooling an electric motor, a hydraulic pump, and a hydraulic oil tank.[...

[Problem] To reduce workload related to preparatory work for work by autonomous traveling. [0002] [Solution] A work area management method includes storing first area information that represents a first work area 640 that determines a first work route 650 ...

[Problem] To provide a technology preferable for an engine having an overall width likely to be large relative to an overall length of the engine, or to provide a new technology that can prevent a turbocharger, which is provided in the engine, from becomin...

[Problem] There is provided an exhaust system capable of sufficiently exhausting a fuel leakage gas leaked from a marine internal combustion engine without diffusing the fuel leakage gas into an engine room.[Solution] An exhaust system according to an aspe...

[Problem] To provide an engine system that efficiently discharges blow-by gas from a crank chamber with ease, and that is capable of providing a further backfire countermeasure. [0002] [Solution] An engine system in which blow-by gas with a specific gravit...

[Problem] To provide a Stirling engine having a high degree of freedom in installation of a heater heat exchanger. [0002] [Solution] A Stirling engine 10 includes an engine main body E including at least an engine unit 11 and a cooler heat exchanger 14, an...