Ventilator or ventilating apparatus with thermal exchanger...

Details Ventilator or ventilating apparatus with thermal exchanger... Ventilator or ventilating apparatus with thermal exchanger...

2005-09-27

2005-09-27

Smith, Duane (Department: 1724)

Gas separation

With gas flow effecting means

With heating or cooling means

C055S385100, C055S470000, C055S471000, C055S472000, C055S478000, C055S481000, C055S485000, C055S506000, C055S524000, C096S154000, C165S165000, C165S166000

Reexamination Certificate

active

06949131

ABSTRACT:
A compact ventilator with high efficiency thermal exchanger and a conveniently exchangeable air filter. The conveniently exchangeable filter enables a ventilator with thermal exchanger to be easily and regularly maintained and serviced, thereby enhancing its practical utility.

REFERENCES:
patent: 1825498 (1931-09-01), Wogan
patent: 4377201 (1983-03-01), Kruse et al.
patent: 4415019 (1983-11-01), Hunzicker
patent: 5285842 (1994-02-01), Chagnot
patent: 5761908 (1998-06-01), Oas et al.
patent: 6059023 (2000-05-01), Kurematsu
patent: 6289974 (2001-09-01), DeGregoria et al.
patent: 2003/0051861 (2003-03-01), Yeung

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