METHOD AND FILLING SYSTEM FOR FILLING CONTAINERS IN A VOLUME AND/OR QUANTITY CONTROLLED MANNER
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Abstract
A filling element includes a channel that forms a delivery opening for delivering filling into a container, a valve arranged in the channel for opening and closing the filling element, the valve being connected by a control valve device to sources for a main and additional component of the filling, and a filling-material section common to the components and forming a space. The element also includes flow meters for measuring volumetric flow of the filling and generating corresponding electrical measurement signals.
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Citations
34 Claims
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1-13. -13. (canceled)
- 14. A method for quantity-controlled filling of a container with a filling material having a main component and an additional component, said method comprising during a filling process, controlling introduction of said main component and said additional component into said container through a common filling-material section and a filling element by using a flow-metering device associated with said filling element so as to end said filling process when said main component and said additional component have been introduced according to a required fill volume, wherein controlling introduction of said main component and said additional component comprises providing at least two magnetically inductive flow meters for use as a flow-metering device, said magnetically inductive flow meters being spaced apart from one another relative to a direction of flow of said filling material, at the beginning of a filling process, filling said filling-material section and a liquid space of said filling element with only said main component, said liquid space of said filling element being permanently connected to said filling-material section, during said filling process, in at least one preceding process section, introducing said additional component into a space formed by said filling-material section, said space being selected from the group consisting of a storage space and a proportioning space, using at least one of said flow meters through which only said main component flows, indirectly determining a volume of said additional component flowing into said space by measuring a volume of said main component displaced by said additional component from one of said filling-material section and said space, ending introduction of said additional component into said space when a volume of first component displaced by said second component from one of said filling-material section and said space, as measured with at least one flow meter, has reached a particular value, in a subsequent process step, introducing said main component into said filling-material section, through said filling element, and into said container, while concurrently entraining said additional component from said space, and measuring a volume of said main component flowing to said container using at least one flow meter through which only said main component flows.
- 27. An apparatus for filling containers, said apparatus comprising a filling system for quantity-controlled filling of containers with a filling material comprising a main component and an additional component, said filling system comprising a filling element comprising a liquid channel that forms a delivery opening for delivering said filling material into a container arranged at said filling element, a liquid valve arranged in said liquid channel for controlled opening and closing of said filling element, said liquid valve being connected by a control valve device, which comprises at least two control valves, to a source for said main component and to a source for said additional component, a filling-material section common to said main component and to said additional component and forming a space, said space being selected from the group consisting of a storage space and a proportioning space for proportioning of said additional component, a first flow meter configured for measuring volumetric flow of said filling material and generating a corresponding electrical measurement signal, said first flow meter being arranged in one of said filling-material section downstream of said space in a direction of flow of said filling material and in a controlled connection connecting said liquid channel of said filling element to a channel selected from the group consisting of an auxiliary channel and an additional channel, said controlled connection comprising a further control valve, and a second flow meter configured for measuring volumetric flow of said filling material and generating a corresponding electrical measurement signal, said second flow meter being arranged in one of said filling-material section downstream of said control valve device in said direction of flow of said filling material and in a connection carrying only said additional component upstream of said control valve array in a direction of flow of said main component.
Specification