An apparatus for shutting off a power supply in a construction vehicle driven by an engine, including a power supply, functional electrical devices connected to the power supply, and a main relay (102) applying or shutting off the power supply to the funct...

A control system and method for a hybrid construction machine is provided. The control system for a hybrid construction machine includes an engine (10), a hydraulic pump (13) driven by the engine (10) to drive a hydraulic actuator (15), a motor-generator (...

A system and method for controlling engine revolutions for a hybrid construction machine is provided. The system for controlling engine revolutions for a hybrid construction machine, including an engine (10), a hydraulic pump (13) which is driven by the en...

Disclosed is a heating apparatus for a cabin of a construction equipment in which hot air ejected from an oil cooler is used for heating in winter while it is ejected out in summer to maximize cooling or heating efficiency of the cabin of the construction ...

The present invention A hydraulic control valve with a regeneration function, including a main body (103) formed of a supply fluid passage (106) to which pressurized fluid is supplied, at least one port, a tank fluid passage (110a,110b) for discharging the...