Guide vane and inline fan assembly
First Claim
1. A guide vane for a fan comprising a first vane segment characterized by first and second end portions and a second vane segment characterized by first and second end portions, said second end portion of said first vane segment being in a spaced apart and overlapped arrangement in relation to said first end portion of said second vane segment, said first end portion of said first vane segment being an adjacent most vane guide end portion in relation to an impeller of the fan, said first vane segment being of arcuate configuration, said second vane segment being of linear configuration.
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Accused Products
Abstract
An improved guide vane for an inline fan is provided, as is an inline fan assembly so characterized. The vane guide includes a first vane segment characterized by first and second end portions, and a second vane segment characterized by first and second end portions. The second end portion of the first vane segment is in a spaced apart and overlapped arrangement in relation to the first end portion of the second vane segment. The first end portion of the first vane segment is an adjacent most vane guide end portion in relation to an impeller of the fan. The first vane segment is of arcuate configuration, with the second vane segment being of linear configuration.
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Citations
17 Claims
- 1. A guide vane for a fan comprising a first vane segment characterized by first and second end portions and a second vane segment characterized by first and second end portions, said second end portion of said first vane segment being in a spaced apart and overlapped arrangement in relation to said first end portion of said second vane segment, said first end portion of said first vane segment being an adjacent most vane guide end portion in relation to an impeller of the fan, said first vane segment being of arcuate configuration, said second vane segment being of linear configuration.
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17. An inline fan assembly comprising:
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a. a fan casing; b. a motor; c. a motor base for supporting said motor in a spaced apart condition relative to a circumferential wall of said fan casing; c. an impeller operatively supported by said motor for select bidirectional rotation in furtherance of establishing either of a primary fluid flow or a secondary fluid flow; and
,d. a plurality of uniformly spaced guide vanes, each guide vane of said plurality of guide vanes radially extending from said circumferential wall and axially extending along a segment of said fan casing corresponding to said motor, each guide vane of said plurality of vane guides characterized by a first guide vane segment and a second vane guide segment, said first vane segment being in a spaced apart and partially overlapped arrangement in relation to said second vane segment, said first vane segment upstream of said second vane segment during primary fluid flow.
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Specification