Patent ID: 6371060
Filing Date: 2002-04-16
Classification: F01P,F16K

Abstract:
Control device for a cooling and heating circuit of an internal combustion engine having a radiator, having a delivery pump and having a further part-circuit comprising a heat exchanger for the heating circuit, with the following features:a rotary slide driven by a drive unit is arranged in a valve housing, provided in the valve housing are inlet or outlet openings for a cooling line connected to the radiator, for a feed or discharge of cooling medium to the suction or pressure side of the delivery pump and for at least two further part-circuits, the rotary slide comprising a substantially flat rotary disc having a thickness substantially smaller than a diameter thereof and at least one control edge, and the control edge is formed in such a way that a connection is made from an opening for the feed or discharge of cooling medium to the suction or pressure side of the delivery pump, to an individual inlet or outlet opening or, for mixing operation, an overlapping connection to two adjacently located inlet or outlet openings.