Water Electrolyzer System and Method

Abstract

A water electrolyzer comprises a reservoir of water, one or more cells, a source of pulse width modulated direct current electricity, a positive terminal, a negative terminal, and a cooling system. Said electrode cells are submerged in said reservoir of water. Said source of pulse width modulated direct current electricity attaches to said positive terminal and said negative terminal of said water electrolyzer. Said electrode cells each comprise a cathode having a positive terminal and an anode having a negative terminal. Said cathode and said anode comprise different materials. Said positive terminal attaches to said electrode cells with one or more positive lines. Said negative terminal attaches to said electrode cells with one or more negative lines. Said cooling system is capable of cooling said reservoir of water. Said water electrolyzer produces and can deliver one or more gases through a fluid connection with an engine.

1 . A water electrolyzer comprising:
 a casing, a reservoir of water, one or more electrode cells, a source of pulse width modulated direct current electricity, a positive terminal, a negative terminal, and a cooling system; wherein,
 said casing holds said reservoir of water and said one or more cells, 
 said electrode cells are submerged in said reservoir of water, 
 said reservoir of water comprises an electrolyte, 
 said source of pulse width modulated direct current electricity comprises a positive current and a negative current, 
 said source of pulse width modulated direct current electricity attaches to said water electrolyzer by attaching said positive current to said positive terminal and said negative current to said negative terminal of said water electrolyzer, 
 said electrode cells each comprise a cathode and an anode, 
 said cathode comprises a positive charge, 
 said cathode comprises a titanium (Ti) metal plate comprising a ruthenium (Ru) coating, 
 said cathode and said anode are arranged parallel to one another with one or more spacers between them, 
 said one or more spacers are nonconductive, 
 said positive terminal of said water electrolyzer attaches to said cathodes of said electrode cells with one or more positive lines, 
 said negative terminal of said water electrolyzer attaches to said anodes of said electrode cells with one or more negative lines, 
 said cooling system is capable of cooling said reservoir of water, 
 said water electrolyzer produces one or more gases, 
 said water electrolyzer is in fluid connection with an engine, 
 said water electrolyzer is capable of delivering said gases to said engine, and 
 an inlet and an outlet in said casing; further wherein,
 a portion of said reservoir of water is capable of circulating through said cooling system; and, 
 said cooling system comprises a circulation pump, heat exchanger and a cooling fan. 
 
   
     
     
         2 . A water electrolyzer comprising:
 a casing, a reservoir of water, one or more electrode cells, a source of pulse width modulated direct current electricity, a positive terminal, a negative terminal, and a cooling system; wherein,
 said casing holds said reservoir of water and said one or more cells, 
 said electrode cells are submerged in said reservoir of water, 
 said source of pulse width modulated direct current electricity comprises a positive current and a negative current, 
 said source of pulse width modulated direct current electricity attaches to said water electrolyzer by attaching said positive current to said positive terminal and said negative current to said negative terminal of said water electrolyzer, 
 said electrode cells each comprise a cathode and an anode, 
 said cathode and said anode comprise different materials, 
 said positive terminal of said water electrolyzer attaches to said cathodes of said electrode cells with one or more positive lines, 
 said negative terminal of said water electrolyzer attaches to said anodes of said electrode cells with one or more negative lines, 
 said cooling system is capable of cooling said reservoir of water, 
 said water electrolyzer produces one or more gases, 
 said water electrolyzer is in fluid connection with an engine, and 
 said water electrolyzer is capable of delivering said gases to said engine. 
   
     
     
         3 . The water electrolyzer of  claim 2  wherein
 said source of pulse width modulated direct current electricity comprises a positive output terminal and negative output terminal of a pulse width modulator; wherein 
 said pulse width modulator is attached to a source of direct current. 
 
     
     
         4 . The water electrolyzer of  claim 3  wherein said source of direct current can comprise a battery. 
     
     
         5 . The water electrolyzer of  claim 2  wherein
 said water electrolyzer comprises a casing and 
 said casing comprises a nonconductive airtight vessel. 
 
     
     
         6 . The water electrolyzer of  claim 2  further comprising an inlet and an outlet in said casing; wherein,
 a portion of said reservoir of water is capable of circulating through said cooling system; and, 
 said cooling system comprises a circulation pump, heat exchanger and a cooling fan. 
 
     
     
         7 . The water electrolyzer of  claim 2  further comprising a sensor and a controller; wherein,
 said sensor is capable of
 measuring an internal temperature of said water electrolyzer and 
 reporting said internal temperature to said controller; and 
 
 said controller is capable of
 comparing said internal temperature to a temperature control range and 
 cutting off said source of direct current electricity from said water electrolyzer if said internal temperature is outside of said temperature control range. 
 
 
     
     
         8 . The water electrolyzer of  claim 2  wherein
 said cathode comprises a metal plate having a positive charge, and 
 said cathode comprises titanium (Ti) material. 
 
     
     
         9 . The water electrolyzer of  claim 8  wherein
 said metal plate comprises a coating and 
 said coating comprises a ruthenium (Ru) material. 
 
     
     
         10 . The water electrolyzer of  claim 2  wherein
 said cathode comprises a metal plate having a positive charge; 
 said metal plate comprises a material chosen from a refractory group consisting of Ti, V, Cr, Zr, Nb, Mo, Hf and Ta and combinations thereof; and 
 said metal plate comprises a coating comprising a material from a group consisting of Ru, Rh, Pd, Os, Lr, Pi, Ag, Au and combinations thereof 
 
     
     
         11 . The water electrolyzer of  claim 2  wherein said anode comprises a plate comprising a material chosen from a group consisting of graphite and stainless steel. 
     
     
         12 . The water electrolyzer of  claim 2  further comprising a sealant; wherein,
 said sealant is capable of preventing electric current contact with electrolyte; 
 a first portion of said sealant coats said positive lines at said positive terminal of said electrode cells; and 
 a second portion of said sealant coats said negative lines at said negative terminal said electrode cells. 
 
     
     
         13 . The water electrolyzer of  claim 12  wherein said sealant comprises an epoxy coating. 
     
     
         14 . The water electrolyzer of  claim 2  further comprising one or more spacers; wherein,
 said cathode and said anode are arranged parallel to one another with said spacers between them, and 
 said spacers are nonconductive. 
 
     
     
         15 . The water electrolyzer of  claim 2  wherein said electrode cells comprise one or more cells arranged parallel to one another and within said water electrolyzer. 
     
     
         16 . The water electrolyzer of  claim 2  wherein said reservoir of water comprises an electrolyte. 
     
     
         17 . The water electrolyzer of  claim 16  wherein said electrolyte comprises a distilled water. 
     
     
         18 . A water electrolysis method comprising:
 submerging one or more electrode cells in a reservoir of water within a water electrolyzer;   applying a source of pulse width modulated direct current electricity to said electrode cells;   generating one or more gases within said water electrolyzer;   attaching said water electrolyzer to an engine with a fluid connection;   feeding said gases from said water electrolyzer into said engine; and, regulating a temperature of said reservoir of water with a cooling system; wherein,
 said water electrolyzer comprises a casing, 
 said casing comprises an airtight vessel, 
 said water electrolyzer comprises a positive terminal and a negative terminal, 
 said reservoir of water comprises an electrolyte, 
 said source of pulse width modulated direct current electricity comprises a positive current and a negative current, 
 said source of pulse width modulated direct current electricity attaches to said water electrolyzer by attaching said positive current to said positive terminal and said negative current to said negative terminal of said water electrolyzer, 
 said electrode cells each comprise a cathode and an anode, 
 said positive terminal of said water electrolyzer attaches to said cathodes of said electrode cells with one or more positive lines, 
 said negative terminal of said water electrolyzer attaches to said anodes of said electrode cells with one or more negative lines, 
 said cathode and said anode comprise different materials, 
 said cathode and said anode are held apart by one or more spacers, and 
 said spacers comprise a nonconductive material. 
   
     
     
         19 . The water electrolysis method of  claim 18  wherein
 said source of pulse width modulated direct current electricity comprises a positive output terminal and negative output terminal of a pulse width modulator and 
 said pulse width modulator is attached to a source of direct current. 
 
     
     
         20 . The water electrolysis method of  claim 18  further comprising:
 modifying one or more signals from an oxygen sensor of said engine to indicate a balanced stoichemical mixture in an exhaust system of said engine when an original signal indicates a lean mixture.