Inline vent fan

Details Inline vent fan Inline vent fan

2007-11-06

2007-11-06

Nguyen, Ninh H. (Department: 3745)

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

C415S191000, C415S206000, C415S169200, C415S214100, C415S208200

Reexamination Certificate

active

11078747

ABSTRACT:
A vent fan is for directing a fluid along a vent pipe. The vent fan has a housing defining an inlet, an outlet and an internal space for a fluid flow path. A separating wall divides the internal space into an inlet and outlet chamber. The vent fan also includes first and second baffles to block the fluid flow from traveling into the outlet and inlet chambers respectively. The separating wall may also include at least one fin for directing the fluid flow towards a first passageway.

REFERENCES:
patent: 886268 (1908-04-01), Stuart
patent: 2588012 (1952-03-01), Kirkpatrick
patent: 2617371 (1952-11-01), Resek et al.
patent: 4447189 (1984-05-01), Jensen et al.
patent: 4750433 (1988-06-01), Guzorek
patent: 5030061 (1991-07-01), Meissgeier
patent: 5385444 (1995-01-01), Kobayashi et al.

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