Heat isolation cover for heat blower

Electric resistance heating devices – Heating devices – Continuous flow type fluid heater

Reexamination Certificate

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Details

C392S385000, C219S222000

Reexamination Certificate

active

07634177

ABSTRACT:
A heat isolation cover for a heat blower comprises a casing having a receiving space; the casing being installed with a protection sleeve, a heat resistance unit and a fan and motor set; one end of the protection sleeve being formed as a converge opening portion; the heat resistance unit having an annular heat isolation unit and a heat emitting unit installed on the heat isolation unit; one end of the heat resistance unit resisting against an inner surface of the guide edge of the protection sleeve and another end thereof being combined to the buckling groove of the casing; and the fan and motor set being installed to a rear end of the heat resistance unit; the actuation of the fan and motor set being controlled by an electronic circuit; and the fan and motor set generating wind to blow the heat resistance unit.

REFERENCES:
patent: 3792230 (1974-02-01), Ray
patent: 3943329 (1976-03-01), Hlavac
patent: 4794225 (1988-12-01), Maese
patent: 4896020 (1990-01-01), Poweleit
patent: 5157757 (1992-10-01), McDougall
patent: 5841943 (1998-11-01), Nosenchuck
patent: 6011903 (2000-01-01), Nosenchuck
patent: 6205674 (2001-03-01), Kaizuka
patent: 6377749 (2002-04-01), Ohmura
patent: 6389710 (2002-05-01), Chou
patent: 6922909 (2005-08-01), Andrew et al.
patent: 7165341 (2007-01-01), Saida et al.
patent: 2005/0229422 (2005-10-01), Mattinger et al.

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