Beverage dispensing system, beverage container and pressurizing system for use in a beverage dispensing system or container

A container comprising an inner volume for storage and a pressure regulating device comprising a pressure regulator and a pressure gas reservoir comprising an outlet with a valve, opening into a gas space of the pressure regulator, wherein the pressure regulator is arranged for opening the valve, wherein the pressure regulator comprises a regulating chamber having at least one wall part defined by a movable and/or deformable element, the regulating chamber being separated from the gas space by said movable and/or deformable element, wherein the regulating chamber comprises a gas, wherein the regulating chamber is provided with a gas passage to a surrounding of the regulating chamber inside the inner volume, said passage allowing gas to flow into and out of the regulating chamber.

A pressurizing device, comprising a pressure regulator and a pressure gas reservoir comprising an outlet with a valve, opening into a gas space having at least one gas outlet, wherein the pressure regulator is arranged for opening the valve, wherein the pressure regulator comprises a chamber having at least one wall part defined by a movable and/or deformable element, separated from the gas space by said movable and/or deformable element, wherein the chamber is substantially liquid tight and comprises a gas, wherein the chamber is provided with a gas passage to a surrounding of the chamber, such that upon movement of the movable and/or deformable element into the chamber, reducing an inner volume of the chamber faster than an amount of gas equal to said reduction of the inner volume can escape through said gas passage, the gas in said chamber is compressed, wherein gas can move into and out of the chamber through said gas passage for equalizing pressure difference between the chamber and a surrounding of the chamber, wherein the gas passage is formed by an opening having at its narrowest point a cross sectional area of about 15 nm2 or less or a series of openings having at their narrowest points a combined smallest cross sectional area of 15 nm2 or less.

A pressurizing device, comprising a pressure regulator and a pressure gas reservoir comprising an outlet with a valve, opening into a gas space having at least one gas outlet, wherein the pressure regulator is arranged for opening the valve, wherein the pressure regulator comprises a chamber having at least one wall part defined by a movable and/or deformable element, separated from the gas space by said movable and/or deformable element, wherein the chamber is substantially liquid tight and comprises a gas, wherein the chamber is provided with a gas passage to a surrounding of the chamber, such that upon movement of the movable and/or deformable element into the chamber, reducing an inner volume of the chamber faster than an amount of gas equal to said reduction of the inner volume can escape through said gas passage, the gas in said chamber is compressed, wherein gas can move into and out of the chamber through said gas passage for equalizing pressure difference between the chamber and a surrounding of the chamber, wherein the gas passage is formed by or comprises a passage formed between two surfaces, in which at least one of said surfaces has a surface roughness such that gas can pass between said surfaces relatively slowly.

A pressurizing device, comprising a pressure regulator and a pressure gas reservoir comprising an outlet with a valve, opening into a gas space having at least one gas outlet, wherein the pressure regulator is arranged for opening the valve, wherein the pressure regulator comprises a chamber having at least one wall part defined by a movable and/or deformable element, separated from the gas space by said movable and/or deformable element, wherein the chamber is substantially liquid tight and comprises a gas, wherein the chamber is provided with a gas passage to a surrounding of the chamber, such that upon movement of the movable and/or deformable element into the chamber, reducing an inner volume of the chamber faster than an amount of gas equal to said reduction of the inner volume can escape through said gas passage, the gas in said chamber is compressed, wherein gas can move into and out of the chamber through said gas passage for equalizing pressure difference between the chamber and a surrounding of the chamber, wherein between the gas passage and the surrounding of the chamber a liquid barrier is provided.

A pressurizing device, comprising a pressure regulator and a pressure gas reservoir comprising an outlet with a valve, opening into a gas space having at least one gas outlet, wherein the pressure regulator is arranged for opening the valve, wherein the pressure regulator comprises a chamber having at least one wall part defined by a movable and/or deformable element, separated from the gas space by said movable and/or deformable element, wherein the chamber is liquid tight and comprises a gas, wherein the chamber is provided with a gas passage to a surrounding of the chamber, such that upon movement of the movable and/or deformable element into the chamber, reducing an inner volume of the chamber faster than an amount of gas equal to said reduction of the inner volume can escape through said gas passage, the gas in said chamber is compressed, wherein gas can move into and out of the chamber through said gas passage for equalizing pressure difference between the chamber and a surrounding of the chamber, wherein the at least one wall part is dome shaped.

A pressure regulator, comprising a pressure regulating chamber having at least one wall part defined by a movable and/or deformable element and a gas space, separated from the pressure regulating chamber by said movable and/or deformable element, wherein the gas space is provided with at least one connector for connecting to a gas container, wherein the pressure regulating chamber is liquid tight and comprises a gas, wherein the pressure regulating chamber is provided with a gas passage to a surrounding of the chamber, such that upon movement of the movable and/or deformable element into the pressure regulating chamber, reducing an inner volume of the pressure regulating chamber faster than an amount of gas equal to said reduction of the inner volume can escape through said gas passage, the gas in said pressure regulating chamber is compressed, wherein gas can move into and out of the pressure regulating chamber through said gas passage for equalizing pressure difference between the pressure regulating chamber and a surrounding of the chamber relatively slowly, and wherein the equalization of a pressure difference over the movable and/or deformable element will occur with a time delay compared to the change in volume of the chamber.