Mixing system and faucet sensor system for a touch free automatic faucet

Abstract

A water flow and temperature mixing system for touch free automatic faucets comprises motorized actuator mechanisms coupled to a water flow mechanism. The water flow mechanism comprises a housing, hot and cold water inlets, a solenoid valve, and a water outlet. The water is mixed in the water flow mechanism, and exits through the solenoid valve and the water outlet. A faucet sensor system for a touch free automatic faucet comprises a sensor housing, a plurality of sensor assemblies coupled to a sensor holding element and a securing nut to secure the plurality of sensor assemblies within the sensor housing, and a faucet stationary base. The plurality of sensor assemblies comprise a primary sensor assembly, a secondary sensor assembly, and a tertiary sensor assembly. The secondary sensor assembly and the tertiary sensor assembly can be interchangeably placed on either side of the sensor housing to control water flow and temperature.

1 . A water flow and temperature control mixing system for a touch free automatic faucet, comprising:
 a water flow mechanism, comprising:
 a water flow housing; 
 a hot water inlet connector; 
 a cold water inlet connector; 
 to a water mixing chamber; 
 a solenoid valve housing; and 
 a water outlet connector 
   a first motorized actuator mechanism coupled to the water flow mechanism, the first motorized actuator mechanism configured to receive hot water and comprising:
 a stem portion; and 
 a hot water flow valve; and 
   a second motorized actuator mechanism coupled to the water flow mechanism, the second motorized actuator mechanism configured to receive cold water and comprising:
 a stem portion; and 
 a cold water flow valve. 
   
     
     
         2 . The system of  claim 1 , wherein the water flow housing comprises a first tubular portion to house the stem portion of the first motorized actuator mechanism and a second tubular portion to house the stem portion of the second motorized actuator mechanism, and the two tubular portions are parallel and adjacent to each other. 
     
     
         3 . The system of  claim 1 , wherein the water flow housing comprises a bracket portion disposed at the distal end of the first tubular portion and a bracket portion disposed at the distal end of the second tubular portion. 
     
     
         4 . The system of  claim 1 , further comprising a water temperature sensor disposed within the water flow housing. 
     
     
         5 . The system of  claim 1 , wherein the hot water inlet connector and the cold water inlet connector each comprises an inlet water filter and a check valve. 
     
     
         6 . The system of  claim 1 , wherein the hot water valve and the cold water valve comprise a rotating hot water cartridge with a first opening and a cold water cartridge with a second opening respectively. 
     
     
         7 . The system of  claim 1 , wherein:
 the first motorized actuator mechanism comprises a rotating hot water cartridge, a gasket, a cartridge locking nut, a motor actuator adapter, and a motorized actuator; and   the second motorized actuator mechanism comprises a rotating cold water cartridge, a gasket, a cartridge locking nut, a motor actuator adapter, and a motorized actuator.   
     
     
         8 . The system of  claim 1 , wherein the hot and cold water flow are mixed in the water mixing chamber, and the mixed water is directed through the solenoid valve housing and out of the water outlet connector. 
     
     
         9 . A water flow and temperature control mixing system for a touch free automatic faucet, comprising:
 a water flow mechanism, comprising:
 a water flow housing; 
 a hot water inlet connector; 
 a cold water inlet connector; 
 a water mixing chamber; 
 a solenoid valve housing; and 
 a water outlet connector 
   a first motorized actuator mechanism coupled to the water flow mechanism, the first motorized actuator mechanism configured to receive hot water and comprising:
 a stem portion; and 
 a hot water flow valve; 
   a second motorized actuator mechanism coupled to the water flow mechanism, the second motorized actuator mechanism configured to receive cold water and comprising:
 a stem portion; and 
 a cold water flow valve; 
   wherein the first motorized actuator mechanism and the second motorized actuator mechanism are parallel to each other on the distal end of the water flow mechanism, the hot water inlet connector is coaxial to the first motorized actuator mechanism, and the cold water inlet connector which is coaxial to the second motorized actuator mechanism.   
     
     
         10 . The system of  claim 9 , wherein the solenoid valve housing is positioned medially between the first motorized actuator mechanism and the second motorized gear mechanism, and medially between the distal end and the proximal end of the water flow mechanism. 
     
     
         11 . The system of  claim 9 , wherein the water flow housing of claim comprises a first tubular portion to house the stem portion of the first motorized actuator mechanism and a second tubular portion to house the stem portion of the second motorized actuator mechanism, and the two tubular portions are parallel and adjacent to each other. 
     
     
         12 . The system of  claim 11 , wherein the water flow housing comprises a bracket portion disposed at the distal end of the first tubular portion and a bracket portion disposed at the distal end of the second tubular portion. 
     
     
         13 . The system of  claim 9 , further comprising a water temperature sensor disposed in a water temperature sensor housing coupled to the water mixing chamber. 
     
     
         14 . The system of  claim 9 , wherein the hot and cold water flow are mixed in the water mixing chamber, and the mixed water is directed through the solenoid valve housing and out of the water outlet connector. 
     
     
         15 . A water flow and temperature control mixing system for a touch free automatic faucet, comprising:
 a water flow mechanism, comprising:
 a water flow housing; 
 a hot water inlet connector; 
 a cold water inlet connector; 
 a water mixing chamber; 
 a solenoid valve housing; and 
 a water outlet connector 
   a first motorized actuator mechanism coupled to the water flow mechanism, the first motorized actuator mechanism configured to receive hot water and comprising:
 a rotating hot water cartridge; 
 an actuator; 
   a second motorized actuator mechanism coupled to the water flow mechanism, the second motorized actuator mechanism configured to receive cold water and comprising:
 a rotating cold water cartridge; 
 an actuator; 
   wherein the first motorized actuator mechanism and the second motorized actuator mechanism are parallel to each other on the distal end of the water flow mechanism, the hot water inlet connector is coaxial to the first motorized actuator mechanism, and the cold water inlet connector which is coaxial to the second motorized actuator mechanism.   
     
     
         16 . The system of  claim 15 , wherein the solenoid valve housing is positioned medially between the first motorized actuator mechanism and the second motorized actuator mechanism, and medially between the distal end and the proximal end of the water flow mechanism. 
     
     
         17 . The system of  claim 16 , wherein the solenoid valve housing is coaxial to the water outlet connector, and the water outlet connector is parallel to the cold water inlet connector and the hot water inlet connector. 
     
     
         18 . The system of  claim 15 , wherein the water flow housing comprises a first tubular portion to house the stem portion of the first motorized actuator mechanism and a second tubular portion to house the stem portion of the second motorized actuator mechanism, wherein the first and second tubular portions are parallel and adjacent to each other. 
     
     
         19 . The system of  claim 15 , further comprising a water temperature sensor disposed within a water temperature sensor housing coupled to the water mixing chamber. 
     
     
         20 . The system of  claim 15 , wherein the hot and cold water flow are mixed in the water mixing chamber, and the mixed water is directed through the solenoid valve housing and out of the water outlet connector. 
     
     
         21 . The system of  claim 15 , wherein the cold water inlet connector is coaxial to the cold water flow valve to collectively form a cold water passage way, and the hot water inlet connector is coaxial to the hot water flow valve to collectively form a hot water passage way. 
     
     
         22 . A faucet sensor system, comprising:
 a faucet spout;   a sensor housing coupled to the faucet spout;   a plurality of sensor assemblies disposed within the sensor housing;   a sensor holding element coupled to the plurality of sensor assemblies disposed within the sensor housing;   a securing nut coupled to the sensor holding element disposed within the sensor housing; and   a faucet stationary base.   
     
     
         23 . The system of  claim 22 , wherein the plurality of sensor assemblies comprises a primary sensor assembled on a first printed circuit board and placed inside a sensor cover to form a primary sensor assembly, a plurality of secondary sensors assembled on a second printed circuit board and placed inside a sensor cover to form a secondary sensor assembly, and a plurality of tertiary sensors assembled on a third printed circuit board and placed inside a sensor cover to form a tertiary sensor assembly. 
     
     
         24 . The system of  claim 23 , wherein the sensor housing comprises a window configured to align with the primary sensor assembly, a window configured to align with the secondary sensor assembly, and a window configured to align with the tertiary sensor assembly. 
     
     
         25 . The system of  claim 22 , further comprising a water outlet spray head, and wherein the primary sensor assembly is configured in the same direction as the water outlet spray head.