Fluid handling – With heating or cooling of the system – Air heated or cooled
Reexamination Certificate
2005-05-31
2005-05-31
Chambers, A. Michael (Department: 3753)
Fluid handling
With heating or cooling of the system
Air heated or cooled
C137S375000, C138S158000, C285S047000, C165S045000
Reexamination Certificate
active
06899124
ABSTRACT:
A system and kit for forming an inexpensive protective plenum around pipes and related equipment subject to freezing on a mobile home is disclosed. The system uses thin, flexible material, such as plastic tubes, to form a first protective plenum around the pipes and to connect enclosures around a water box forming a second protective plenum. The first plenum around the pipes may be installed in sections with the sections joined with rings or collars at the joints. The rings and collars may also be formed of inexpensive materials, such as plastics. The second plenum may be connected to the first plenum or to a tube. The first plenum and the tube may be connected to a source of hot air, such as the duct work of the hot air heating system of the home.
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Chambers A. Michael
Fishel Grace J.
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