Patent ID: 6886755
Filing Date: 2005-05-03
Classification: G05D,Y10T

Abstract:
1. Sanitary mixing faucet, comprising: a housing, a thermostat means with a thermostatic element for controlling the temperature of a flow of mixed hot water and cold water formed in the faucet, a temperature control part comprised of a sleeve, an over-travel spring, and a reset spring acting on the thermostatic element located in said sleeve, wherein the over-travel spring and the reset spring act on the thermostatic element in the same direction so that spring forces of the over-travel spring and the reset spring are added to one another during over-travel; wherein the over-travel spring is supported on a peripheral collar within the sleeve, wherein the reset spring is supported on a part of the housing which is stationary in an axial direction relative to the sleeve; wherein a receiving part is provided, one side of the receiving part being adjoined by the thermostatic element and an opposite side of the receiving part being adjoined by the over-travel spring and the reset spring; and wherein the receiving part is located within the temperature control part, hot water supplied to said faucet being routed through the temperature control part; wherein the over-travel spring and the reset spring are helical springs, and wherein one spring is located within the other; and wherein the thermostatic element has a thermostatic area which rests against the receiving part, wherein the thermostatic area has a first part which exposed to a flow of unmixed hot water and a second part which is exposed to said flow of mixed hot and cold water.