Patent ID: 7798172

Claim:
An internal housing for a sanitary fitting, the internal housing comprising: a receiving opening open on an upper side for receiving a control cartridge comprising an inlet orifice and a discharge orifice, the receiving opening being bounded along a circumference by a wall, and a discharge opening for discharging water from the discharge orifice, wherein: the receiving opening is bounded at a lower end by a base formed in one piece with the wall, with an inlet opening for supplying water to the inlet orifice, the discharge opening, an inlet seal groove open on an upper side for receiving an inlet seal element and completely surrounding the inlet opening, and a discharge seal groove open on an upper side for receiving a discharge seal element and completely surrounding the discharge opening being formed in the base, the inlet opening and the discharge opening are for guiding water and the discharge opening opens into a water discharge groove open around a circumference and formed in the base, and the discharge opening has a channel section extending downwards away from the receiving opening and opening at least roughly in the middle of a connecting section arranged at least roughly at right angles to the channel section, and a deflection element is formed in the connecting section, in the extension of the channel section, on a channel base of the connecting section for continuously deflecting the water flowing from the control cartridge by at least roughly 90 degrees, with a deflection surface of the deflection element continuously merging into a surface of the channel base.