Convective heater employing foam metal diffuser
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 26, 2002
Grant Date -
N/A
app pub date -
Feb 2, 2001
filing date -
Feb 2, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A heater box for PCB boards uses open cell metal foam as a heat sink and diffuser of heated gas. The heated gas is dispensed through a metal fabric mesh and then to the PCB to be heated. The gas is introduced under pressure and flow regulated to conduits in the metal foam diffuser. The conduits have side holes that allow the gas to diffuse evenly through the foam. The gas is heated by electrical resistance heaters built into the conduits or by a resistance heated layer between the conduits and the foam. The frame that holds the PCB to be heated and the metal fabric mesh and the heater box itself are all laterally floating with respect to each other.
First Claim
Family
International Classification(s)
Cited Art Landscape
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