Blower

Details Blower Blower

2005-05-18

2010-02-02

Look, Edward (Department: 3745)

Rotary kinetic fluid motors or pumps

Plural runners supported for relative motion or on separate...

Serially spaced in working fluid flow path

C415S199400, C415S214100

Reexamination Certificate

active

07654792

ABSTRACT:
Blower made up of at least two axially stacked, interlocking fans. Each fan is enclosed in a housing the axially opposite ends of which are flanged. Opposing flats on immediately neighboring flanges are formed with complementary twist-locking features. The twist-locking features are configured in such a way that when the fans are stacked, the opposing flats will not be in contact with each other unless the housings are twisted out of axial alignment to bring the opposing flats flush together, and such that with the opposing flats flush in contact, twisting the housings back into axial alignment locks them together.

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patent: 2004/0033135 (2004-02-01), Chang

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