Patent Number: 8,794,128

Title: Device for frothing milk, comprising means for preventing blockage of an air restriction by milk residue

Abstract: A device for performing a process of treating a liquid including a detachably arranged liquid treating unit and a basic part which is suitable for receiving and accommodating the liquid treating unit. The liquid treating unit has an air restriction for taking in air to be used in the liquid treating processes, wherein the air restriction includes a pin and a hole for receiving the pin. The pin is rotatably arranged in the hole, and means are provided for causing a rotation of the pin in case of a movement of the liquid treating unit relative to the liquid treating device.

Inventors: Fraij; Fred (Hoogeveen, NL), Noordhuis; Joeke (Groningen, NL), Rijskamp; Peter (Fluitenberg, NL), Venema; Yde Johannes (Groningen, NL), Westrup; Gert (Sint Jansklooster, NL), Steunenbeg; Roel (Groningen, NL)

Assignee: Koninklijke Philips N.V.

International Classification: A47J 31/44 (20060101)

Expiration Date: 8/05/12018