Extraction Cleaning with Heating

Abstract

A portable extraction surface cleaner apparatus wherein a surface to be cleaned is heated to an elevated temperature and a cleaning fluid is applied to the surface to be cleaned sequentially or simultaneously. The cleaning fluid is removed from the surface by suction from a vacuum source. Power is applied alternatively or simultaneously to a heating element and to the vacuum source for recovering the deposited cleaning fluid.

1 . A method for cleaning a surface comprising the steps of:
 heating the surface to be cleaned;   thereafter, applying a cleaning fluid to the heated surface to be cleaned: and   recovering a soiled cleaning fluid from the surface to be cleaned.   
   
   
       2 . A method for cleaning a surface according to  claim 1  and further comprising scrubbing or agitating the surface to be cleaned between the applying and the recovering step. 
   
   
       3 . A method for cleaning a surface according to  claim 2  wherein the recovery step includes the step of applying a suction force to the surface to be cleaned. 
   
   
       4 . A method for cleaning a surface according to  claim 3  wherein the heating step includes the step of applying radiant energy to the surface to be cleaned. 
   
   
       5 . A method for cleaning a surface according to  claim 3  wherein the heating step includes the step of applying a heated vapor to the surface to be cleaned. 
   
   
       6 . A method for cleaning a surface according to  claim 5  wherein the heated vapor is air heated to an elevated temperature 
   
   
       7 . A method for cleaning a surface according to  claim 5  wherein the heated vapor is a vaporized liquid. 
   
   
       8 . A method for cleaning a surface according to  claim 7  wherein the vaporized liquid is water or an aqueous solution. 
   
   
       9 . A method for cleaning a surface according to  claim 8  wherein the aqueous solution is a cleaning solution. 
   
   
       10 . A method for cleaning a surface according to  claim 3  wherein the heating step includes the step of applying a liquid heated to an elevated temperature to the surface to be cleaned. 
   
   
       11 . A method for cleaning a surface according to  claim 10  wherein the liquid that is heated is the cleaning solution. 
   
   
       12 . A method for cleaning a surface according to  claim 3  wherein the heating step includes the step of heating the surface to be cleaned to a temperature in the range of 95-200° F. 
   
   
       13 . A method for cleaning a surface according to  claim 3  wherein the heating step includes the step of heating the surface to be cleaned to a temperature in the range of 100-130° F. 
   
   
       14 . A method for cleaning a surface according to  claim 1  wherein the recovery step includes the step of applying a suction force to the surface to be cleaned. 
   
   
       15 . A method for cleaning a surface according to  claim 1  wherein the heating step includes the step of applying radiant energy to the surface to be cleaned. 
   
   
       16 . A method for cleaning a surface according to  claim 1  wherein the heating step includes the step of applying a heated vapor to the surface to be cleaned. 
   
   
       17 . A method for cleaning a surface according to  claim 1  wherein the heated vapor is air heated to an elevated temperature 
   
   
       18 . A method for cleaning a surface according to  claim 1  wherein the heated vapor is a vaporized liquid. 
   
   
       19 . A method for cleaning a surface according to  claim 1  wherein the vaporized liquid is water or an aqueous solution. 
   
   
       20 . A method for cleaning a surface according to  claim 19  wherein the aqueous solution is a cleaning solution. 
   
   
       21 . A method for cleaning a surface according to  claim 1  wherein the heating step includes the step of applying a liquid heated to an elevated temperature to the surface to be cleaned. 
   
   
       22 . A method for cleaning a surface according to  claim 21  wherein the liquid that is heated is the cleaning solution. 
   
   
       23 . A method for cleaning a surface according to  claim 1  wherein the heating step includes the step of heating the surface to be cleaned to a temperature in the range of 95-200° F. 
   
   
       24 . A method for cleaning a surface according to  claim 1  wherein the heating step includes the step of heating the surface to be cleaned to a temperature in the range of 100-130° F.