Motor cooling and exhaust diluting blower housing with heat...

Details Motor cooling and exhaust diluting blower housing with heat... Motor cooling and exhaust diluting blower housing with heat...

2003-12-12

2009-10-20

Kramer, Devon C (Department: 3746)

Pumps

Motor driven

Electric or magnetic motor

C417S366000, C417S423140, C417S423100

Reexamination Certificate

active

07604463

ABSTRACT:
A blower housing may be used with a climate control furnace or with a water heater and provides cooling of the motor that rotates the blower fan and also provides dilution and cooling of exhaust gases drawn from the furnace or water heater. The housing is constructed with one side that is positioned in a single plane that is easily mounted to a flat surface of the furnace or water heater and can be sealed against the surface. The housing is provided with an interior heat shield that insulates the exterior surface of the housing and with a noise muffler.

REFERENCES:
patent: 4767285 (1988-08-01), Jyoraku et al.
patent: 5610456 (1997-03-01), Wille et al.
patent: 6231311 (2001-05-01), Gatley et al.
patent: 6398512 (2002-06-01), Stewart
patent: 6474981 (2002-11-01), Morgan
patent: 6602058 (2003-08-01), Stewart
patent: 6622660 (2003-09-01), Bajic et al.

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