Retrofit pulsator apparatus and method for an air/water mixer of
Reversed-jet contacting of a gas stream having variable...
Reversible housing for evaporative cooler
Reversible humidifier housing
Rigid cooling tower
Rigid cooling tower and method of constructing a cooling tower
Rigid evaporative heat exchangers
Ring controlled variable venturi downdraft carburetor
Rod scrubber
Rollover valve for carburetor float bowls
Room humidification system
Room humidifier and the humidification system
Room humidifying assembly
Rotary aerator
Rotary carburetor
Rotary disk humidifier
Rotary drum humidifier
Rotary drum humidifier
Rotary flow control balancing valve for cross-flow cooling tower
Rotary gas washers