Heat exchange coil cleaning apparatus

Details Heat exchange coil cleaning apparatus Heat exchange coil cleaning apparatus

2004-08-17

2009-12-01

Redding, David A (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S302000, C015S312100, C015S312200, C015S314000, C015S318000, C015S318100, C015S345000

Reexamination Certificate

active

07624470

ABSTRACT:
A cleaning apparatus for cleaning a heat exchange coil includes a gas-dispensing member having a cavity for carrying a gas and at least one orifice in communication with the cavity. An actuating device which couples to the gas dispensing member and moves the gas dispensing member relative to a coil such that the gas dispensed from the gas dispensing member through the at least one orifice removes dust and debris from the coil. A timer initiates operation of the gas-dispensing member and the actuating device at given time intervals.

REFERENCES:
patent: 2660410 (1953-11-01), Hofmeister
patent: 2696631 (1954-12-01), Hibner
patent: 4421067 (1983-12-01), Krowech
patent: 4470833 (1984-09-01), Wolfe
patent: 5579726 (1996-12-01), Finucane
patent: 5875833 (1999-03-01), Schluter
patent: 6571420 (2003-06-01), Healy et al.

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