82358 ⎘
Other constructional features or details; Control systems or devices for electric drives; Circuits for controlling the lowering of the load by ac motors utilising regenerative braking for controlling descent of heavy loads and having means for preventing rotation of motor in the hoisting direction when load is released
ELECTRIFIED CONSTRUCTION AND/OR MATERIAL HANDLING MACHINE, IN PARTICULAR CRANE
#2Lifting device and method for operating a lifting device
#3Electrically driven machine with reverse power storage
#4Winch control apparatus and crane
#5Electric winch device
#6Electric winch device
#7Electric winch device
#8Motor assembly and hoist drive
#9Rubber-tyred gantry crane (RTG) dual power energy saving system
#10Container yard and feeding method
#11Crane apparatus, container yard, and feeding method
#12Apparatus and method in connection with crane sheave
#13Method and apparatus for recovering inertial energy
#14Crane, in particular mobile port crane, comprising a hybrid drive system
#15Crane and method for operating a crane using recovery of energy from crane operations as a secondary energy source
#16Hybrid excavator and method of controlling hybrid excavator
#17Device for recovering energy
#18CRANE APPARATUS
#19Load-lifting apparatus and method of storing energy for the same
#20Energy storage method for load hoisting machinery
#21Mobile handling device