Hybrid gas pressure spring system and piece of furniture with such a hybrid gas pressure spring system

摘要

The invention relates to a hybrid gas pressure spring system (10) comprising: - a gas pressure spring (12) with a cylinder (14), with a piston rod (16) that is movable in the cylinder (14) in the direction of an axis of movement (16) and with a compressed gas chamber (22) for a compressed gas G for providing a spring force Fs with which the piston rod (16) can be acted upon; - a compressed gas reservoir (26); - an electrically actuated pressure compressor (24), by means of which the compressed gas G contained in the compressed gas chamber (22) can be fed into the Compressed gas storage (26) can be transported; - a controllable outlet valve (44), via which the compressed gas storage (26) can be fluidly connected to the compressed gas chamber (22) in order to guide the compressed gas G from the compressed gas storage (26) into the compressed gas chamber (22) ; and - a control device (48) with a pressure sensor (53) for detecting a gas pressure P2 of the pressure gas G prevailing in the pressure gas chamber (22) in each case for determining the spring force Fs corresponding to the gas pressure P2 and with a sensor (54) for determining a spring force F-opposite axial force F, wherein the control device (48) is programmed to control the outlet valve (44) and the pressure compressor (24) on the basis of the determined axial force Fderart that the spring force F is the axial force Fim balance of forces or have a value difference D that in a predetermined interval of difference.