Fan mounting means and method of making the same

Details Fan mounting means and method of making the same Fan mounting means and method of making the same

2007-03-13

2007-03-13

Nguyen, Ninh H. (Department: 3745)

Rotary kinetic fluid motors or pumps

Casing and spaced housing with space vented to working fluid

C415S119000, C415S213100

Reexamination Certificate

active

10884697

ABSTRACT:
A fan arrangement comprises a fan (10) having a fan housing (30) within which is arranged a blower wheel (18) which, in operation, moves air from an intake side of the fan (10) to a delivery side. Arranged radially outside the fan housing (30) is a surrounding mounting frame (34) that serves to support the fan housing (30). A membrane (32), made of an elastic material, elastically connects the fan housing (30) and mounting frame (34) to one another and is formed with through holes or apertures (33) that, in the event of a closure of the output or delivery side of the fan arrangement (40), enable a return flow, from the delivery side to the intake side of the fan arrangement (40), of air moved by the blower wheel (18).

REFERENCES:
patent: 3317124 (1967-05-01), Morrill
patent: 3584469 (1971-06-01), Butts
patent: 4171190 (1979-10-01), Hudson
patent: 4568243 (1986-02-01), Schubert
patent: 6050890 (2000-04-01), Bayer
patent: 6507135 (2003-01-01), Winkler
patent: 32 37 017 (1983-04-01), None
patent: 196 43 760 (1997-12-01), None
patent: 00-13294 (2000-03-01), None

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