Method for storage and recovery of electric power, involves providing gravitation force of overall weight to drive rope hoist and electromotor or generator of rope hoist is driven in opposite direction, when lowering weight
DE102011012261A1
Electric power storing device for storage tank power plant, recovers potential energy generated by emptying tank into surrounding waters using pump devices under application of electric energy, during filling of tank
DE102011010222A1
Method for producing electric energy, involves fixing two cable pulleys on drive axle of current generator, where direction of roping is counter-rotating
DE102010027361A1
Electrical power producing device for use in wave stroke power plant for supplying electrical power to household, has float, where buoyant force and potential energy of float perform mechanical work that is converted into electrical power
DE102010023330A1
Electrical energy generation method, involves lifting float by waves, driving generator by mechanical device, and converting potential energy of counter weight into electrical power by lowering mechanical device
DE102010014342A1
Method for storing electrical energy in vehicle e.g. car, during driving in downhill, involves reducing potential energy at specific value around specific losses by back converting assistance of power generators into electrical energy
DE102009036640A1
Method for generating, storing and recovering electrical energy in chain lifting storage power plant, involves lifting arbitrary mass carrier, and converting potential energy of carrier into electrical energy using power generators
DE102007062672A1
Method for generating and storing electrical energy, involves lifting arbitrary ground carrier, where potential energy of ground carrier is reduced to specific level for converting specific losses into electric energy
DE102007017695A1
Electrical energy producing and storing method for e.g. tidal hub power station, involves converting potential energy of arbitrary mass carriers at rate of preset watt second per kilogram meter
