×

Ultrasonic cleaning method and apparatus for heat exchangers

  • US 4,244,749 A
  • Filed: 11/24/1978
  • Issued: 01/13/1981
  • Est. Priority Date: 11/24/1978
  • Status: Expired due to Term
First Claim
Patent Images

1. An apparatus for effecting useful heat exchange in a liquid environment and a device for cleaning said apparatus in said liquid environment without removal therefrom comprising in combination:

  • heat exchange means comprising a plurality of substantially parallel spaced apart banks of pipes each having external surfaces exposed to said liquid environment wherein said surfaces are subject to having substances accumulate thereon as a result of said liquid being in contact therewith, said substances affecting adversely the transfer of heat through said surfaces;

    ultrasonic cleaning means for producing ultrasonic energy in sufficient quantities to produce cavitation of said liquid to dislodge said substances, said ultrasonic cleaning means comprising a plurality of transducers arranged in a portable array and powered by suitable power supply means; and

    means for positioning said ultrasonic cleaning means adjacent to said surfaces between said banks of pipes without removal of said surfaces from said liquid environment.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×