Abstract: A system is described for storing, delivering and recovering energy, provided with a cylinder-piston assembly for absorbing a mass-induced load, which assembly is in fluid connection with a pressure source. The effective surface area of the piston of the cylinder-piston assembly is variable. The cylinder-piston assembly consists of, for instance, a number of cylinders connected in parallel, which can be selectively powered by the pressure source.
Abstract: A vehicle (1) for installing a cable (2) in a ground formation, in particular in a seabed, comprising a frame (3), propulsion means (4, 6), a cutter assembly (8) for forming a trench and a guide (15) for placing the cable (2) in the trench. The guide (2) is releasably connected to the vehicle (1). The vehicle and guide according to the present invention facilitate installing a cable in a ground formation, in particular in a seabed, as well as interrupting installation.
Abstract: A vehicle (1) for installing a cable (2) in a ground formation, in particular in a seabed, comprising a frame (3), propulsion means (4, 6), a cutter assembly (8) for forming a trench and a guide (15) for placing the cable (2) in the trench. The guide (2) is releasably connected to the vehicle (1). The vehicle and guide according to the present invention facilitate installing a cable in a ground formation, in particular in a seabed, as well as interrupting installation.
Abstract: A system is described for storing, delivering and recovering energy, provided with a cylinder-piston assembly for absorbing a mass-induced load, which assembly is in fluid connection with a pressure source. The effective surface area of the piston of the cylinder-piston assembly is variable. The cylinder-piston assembly consists of, for instance, a number of cylinders connected in parallel, which can be selectively powered by the pressure source.
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