Steam frothing device with froth flow regulation system

Coffee machine comprising a frothing device adaptable to a steam outlet for producing milk froth comprising:

• a steam inlet,
• a milk inlet,
• an air inlet,
• a vacuum chamber adapted to receive steam, liquid milk and air therein,
• a restriction with a limited cross-section adapted for conducting a product there through at a high velocity,
• an emulsifying chamber of larger cross section than the restriction from which the product froth is emulsified, the emulsifying chamber having an outlet for draining the product froth out of the chamber, and
• downstream of the outlet is provided a froth flow regulation system which comprises a flow dampening member positioned in front of the outlet which is configured to break the kinetic energy of a froth stream and to change a direction of the froth stream.

A frothing device adaptable to a steam outlet for producing milk froth comprising:

• a steam inlet,
• a milk inlet,
• an air inlet,
• a vacuum chamber adapted to receive steam, liquid milk and air therein,
• a restriction with a limited cross-section adapted for conducting a product therethrough at high velocity,
• an emulsifying chamber of larger cross section than the restriction from which the product froth is emulsified, the emulsifying chamber having an outlet for draining the product froth out of the chamber,
• downstream of the outlet is provided a froth flow regulation system which is configured to break the kinetic energy of a froth stream in a manner effective for the froth stream to flow in a substantially vertical direction by gravity even when the device is positioned at a certain inclination with respect to vertical.

Coffee machine comprising

• a coffee delivery outlet,
• a frothing device adaptable to a steam outlet for producing milk froth;
• the frothing device comprising:
• a steam inlet,
• a milk inlet,
• an air inlet,
• a vacuum chamber adapted to receive steam, liquid milk and air therein,
• a restriction with a limited cross-section adapted for conducting a product therethrough at high velocity,
• an emulsifying chamber of larger cross section than the restriction from which the product froth is emulsified;
• the emulsifying chamber having an outlet for draining the product froth out of the chamber,
• a froth delivery outlet,
• wherein the coffee delivery outlet and steam frothing device are set on the machine so that they are, in a first position of the steam frothing device, distant one another of a distance effective to serve coffee and milk froth independently, the steam frothing device being so constructed and arranged to deliver milk froth in a substantially vertical manner,
• the steam frothing device is controllably moveable in a second position so that its delivery outlet can be moved closer to a vertical line of the coffee outlet in a manner that the milk froth can be delivered without substantially moving the cup underneath and,
• the steam frothing device comprises a froth flow regulation system configured for the milk froth to flow in substantially vertical direction substantially only by effect of gravity.

A frothing device for producing milk froth comprising:

• a steam inlet,
• a milk inlet,
• an air inlet,
• a vacuum chamber adapted to receive steam, liquid milk and air therein,
• a restriction adapted for conducting a product there through,
• an emulsifying chamber having an outlet,
• downstream of the outlet a froth flow regulation system comprising a flow dampening member positioned in front of an outlet which is designed to reduce the kinetic energy of a froth stream and to change its direction.