Refrigeration – Automatic control – Preventing – removing or handling atmospheric condensate
Reexamination Certificate
2005-10-11
2005-10-11
Norman, Marc (Department: 3744)
Refrigeration
Automatic control
Preventing, removing or handling atmospheric condensate
C062S080000, C165S103000, C165S298000, C417S243000
Reexamination Certificate
active
06952932
ABSTRACT:
Method and apparatus for heating gases cooled by an aftercooler that receives hot gases from a compressor. The method includes the steps of directing at least a portion of said hot gases to means for bypassing the aftercooler, and using the bypass means to direct hot gases to a location that receives cooled gases from the aftercooler. The hot gases are used at the location to heat the cooled gases when ambient temperature is at or below freezing, and are used downstream from the aftercooler when moisture freezes in the aftercooler.
REFERENCES:
patent: 4697551 (1987-10-01), Larsen et al.
patent: 5669363 (1997-09-01), Francis
patent: 6273076 (2001-08-01), Beck et al.
patent: 6752125 (2004-06-01), Bruch et al.
Cunkelman Brian L.
Drummond Roger
Goettel Walter E.
Wagner Daniel G.
Norman Marc
The Webb Law Firm
Westinghouse Air Brake Co.
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