Coil cleaning machine

Details Coil cleaning machine Coil cleaning machine

2005-04-11

2010-11-30

Barr, Michael (Department: 1711)

Cleaning and liquid contact with solids

Apparatus

With movably or flexibly mounted spray or jet applying...

C239S154000, C222S175000

Reexamination Certificate

active

07841351

ABSTRACT:
A machine for cleaning coils in HVAC installations including particularly the coils located in outdoor HVAC units and coils located in interior ductwork the machine comprising a shell housing enclosing cleaning fluids, an electrical system for line power or battery operation, and a fluid control system for selecting cleaning fluid and the pressure and volume of fluid applied in cleaning coils.

REFERENCES:
patent: 3525912 (1970-08-01), Wallin
patent: 3575348 (1971-04-01), MacKay
patent: 5421900 (1995-06-01), Clontz
patent: 5752661 (1998-05-01), Lewis
patent: 6448732 (2002-09-01), Block
patent: 2005/0194024 (2005-09-01), Wadsworth et al.

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