| 摘要 |
The invention relates to an air core filling system for reclining or seating furniture, for example, for a mattress, an armchair, a car seat, a piece of camping furniture or similar, comprising an air core and an integrated air core filling system, reacting to a load, which independently, supplies a dosed amount of air into the air core, in order to maintain the same at a given adjustable pressure in the non-loaded state. Said air core filling system comprises an air pump system ( 3 ) with at least two separate chambers ( 2, 6 ) and control system ( 17 ), whereby the first chamber ( 2 ) is directly connected to the air core by a line ( 1 ) and a second chamber ( 6 ) is connected to the air core by a line ( 7 ) through a pressure regulation valve ( 13 ) and to the ambient air by a line ( 9 ). The air pump system ( 3 ) is preferably embodied in the form of a double-chamber bellows, whereby the chambers ( 2, 6 ) have a common defining surface ( 4 ), on which a return device, for example, a spring ( 5 ), acts, in order to almost completely empty the chambers ( 2, 6 ) on relief of the air core.
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