Patent ID: 6179613
Filing Date: 2001-01-30
Classification: A61C

Abstract:
Apparatus for supplying pressurized water to a dental instrument and pressurized, purified water to an associated drinking water basin, comprising:an inlet line adapted for connection to a water supply source to receive inlet water therefrom,a preliminary filter means connected to said inlet line,a pump for pressurizing the inlet water after passage through the preliminary filter means,a further filter means connected to said pump, said further filter means including a carbon filter and a reverse osmotic filter,a connecting line between said further filter means and an auxiliary filter,said auxiliary filter having an outlet connected to said drinking water basin,a further line connect to said connecting line at a location between said further filter means and said auxiliary filter,an electric heater connected by a branch line to said further line for heating pressurized water therein,said heater having an outlet connected to said dental instrument for supplying heated pressurized water thereto,a pressure control means in said further line downstream of said branch line, anda storage tank connected to said pressure control means for storing pressurized water and maintaining the water above a specific minimum pressure, said storage tank being connected to deactivate said pump when a given maximum pressure is reached in said storage tank, said storage tank supplying pressurized water therein to said drinking water basin and to said heater, when said pump is deactivated and until said minimum pressure is reached whereupon said pump is re-activated.