Electric resistance heating devices – Heating devices – Continuous flow type fluid heater
Reexamination Certificate
2004-07-16
2009-02-24
Campbell, Thor S (Department: 3742)
Electric resistance heating devices
Heating devices
Continuous flow type fluid heater
C392S465000, C392S485000
Reexamination Certificate
active
07496285
ABSTRACT:
A multi-pass parallel tube heat exchanger is disclosed. The multi-pass parallel tubes heat exchanger provides a compact, light and inexpensive heat exchanger that may be oriented in any direction. These features and others make the disclosed exchanger ideal for use in a restricted area such as that available when providing localized cooling systems. This design is more efficient than the prior art and allows for a versatile operation with multiple circuiting options for the flow path and enhanced performance with multiple fluid and heat transfer operations.
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Campbell Thor S
Liebert Corporation
Locke Lord Bissell & Liddell LLP
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