Patent ID: 8646380
Filing Date: 2014-02-11
Classification: A47J,Y10T

Abstract:
1. Multi-path valve arrangement in a beverage making unit, particularly an espresso machine by which optionally various beverages can be prepared and which includes at least one cold milk inlet, a cold water inlet, a valve outlet and at least one valve body via which said cold milk inlet or said cold water inlet may be connected with said valve outlet, wherein said multi-path valve arrangement comprises a multi-path valve having a housing which includes said cold milk inlet, said cold water inlet, said valve outlet and an air opening and in which a valve body is suited to connect said cold milk inlet having an adjustable throttling with said valve outlet, said valve body is adjustable by a step motor, said step motor is provided with a programmable control of the valve body position, and a frothing head is in flow connection with said valve outlet of said multi-path valve and an air solenoid valve, in a first valve body position controlled by said programmable control, said cold milk inlet is connected non-throttled or minimally throttled, respectively, with said valve outlet, in a second valve body position controlled by said programmable control, said cold milk inlet is connected, throttled, with said valve outlet, in a third valve body position controlled by said programmable control, said cold water inlet is connected, non-throttled, with said valve outlet, in a fourth valve body position controlled by said programmable control, said air opening is connected with said valve outlet, said valve body is either shaped as a tap having a plurality of valve paths, in which or said valve body is shaped as a slider having at least one valve path, in which