Ultrasonic cleaning devices and method of cleaning

Claim 1

AN ULTRASONIC CLEANING DEVICE COMPRISING A MEMBER HAVING A FACE FOR CONTACT WITH THE SURFACE TO BE CLEANED, CONDUIT MEANS OPENING ADJACENT THE PERIPHERY OF SAID FACE AND AT LEAST AT ONE LOCATION ON SAID FACE SPACED FROM SAID PERIPHERY, RESPECTIVELY, MEANS, FOR SUPPLYING CLEANING LIQUID TO ONE OF SAID CONDUIT MEANS, MEANS FOR APPLYING SUCTION TO THE OTHER OF SAID CONDUIT MEANS SO THAT THE CLEANING LIQUID ISSING FROM SAID ONE CONDUIT MEANS IS MADE TO TRAVEL ACROSS SAID FACE TOWARD SAID OTHER CONDUIT MEANS AND IS REMOVED THROUGH THE LATTER, AND MEANS OPERATIVE TO VIBRATE SAID FACE OF THE MEMBER AT A HIGH FREQUENCY OF AT LEAST 5000 CYCLES PER SECOND AND LOW AMPLITUDE IN DIRECTIONS PERPENDICULAR TO SAID FACE SO THAT THE LIQUID TRAVELLING ACROSS SAID FACE WHILE THE LATTER IS IN CONTACT WITH THE SURFACE TO BE CLEANED IS PRESSURIZED AND SUBJECT TO CAVITATION FOR ENHANCING THE EFFECTIVENESS OF THE LIQUID IN TAKING-UP DIRT FROM THE SURFACE TO BE CLEANED AND THE VIBRATIONS OF SAID FACE FACILITATE MOVEMENT OF THE LATTER OVER THE SURFACE OF BE CLEANED.

Claim 3

A METHOD OF CLEANING A SOLIED SURFACE, COMPRISING PLACING A MEMBER AGINST THE SOILED SURFACE WHILE VIBRATING THE MEMBER AT A HIGH FREQUENCY OF AT LEAST 5000 CYCLICES PER SECOND AND WITH A SMALL AMPLITUDE IN THE DIREACTION PERPENDICULAR TO THE SOILED SURFACE SO THAT THE VIBRATIONS OF SAID MEMBER FACILITATE MOVEMENT OF THE LATTER OVER THE SOILED SURFACE, SUPPLYING A CLEANING LIQUID TO THE SOILED SURFACE SO THAT CONTACT OF SAID VIBRATED MEMBER WITH THE SOLED SURFACE PRESSURIZES THE LIQUID AND SUBJECTS THE LATTER TO CAVITATION FOR ENHANCING THE EFFECTIVENESS OF THE LIQUID IN TAKING UP DIRECT FROM THE SOILED SURFFACE, AND APPLYING SUCTION TO THE SOILED SURFACE ADJACENT THE VIBRATED MEMBER FOR REMOVING THE DIRT LADEN CLEANING LIQUID FROM THE SURFACE.

Claim 4

A METHOD OF CLEANING A SOLIED SURFACE, COMPRISING PLACING A MEMBER AGINST THE SOILED SURFACE WHILE VIBRATING THE MEMBER AT A HIGH FREQUENCY OF AT LEAST 5000 CYCLICES PER SECOND AND WITH A SMALL AMPLITUDE IN THE DIREACTION PERPENDICULAR TO THE SOILED SURFACE SO THAT THE VIBRATIONS OF SAID MEMBER FACILITATE MOVEMENT OF THE LATTER OVER THE SOILED SURFACE, SUPPLYING A CLEANING LIQUID TO THE SOILED SURFACE SO THAT CONTACT OF SAID VIBRATED MEMBER WITH THE SOLED SURFACE PRESSURIZES THE LIQUID AND SUBJECTS THE LATTER TO CAVITATION FOR ENHANCING THE EFFECTIVENESS OF THE LIQUID IN TAKING UP DIRECT FROM THE SOILED SURFFACE, AND APPLYING SUCTION TO THE SOILED SURFACE ADJACENT THE VIBRATED MEMBER FOR REMOVING THE DIRT LADEN CLEANING LIQUID FROM THE SURFACE.