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US 10,590,954 B2Granted
Flat flow-conducting grille
Assigneeebm-papst Mulfingen GmbH & Co. KG
InventorsZhang Binyuan, Christian Haag, Carsten Hübner, Björn Sudler, Manuel Vogel
Life of this patent
Estimating the term…
Abstract
The invention relates to a flow-conducting grille designed as a pre-conducting grille for arranging on a suction region of a fan, wherein the flow-conducting grille has a grille web structure about an axial center line, which grille web structure comprises radial webs spaced apart in the circumferential direction and coaxial circumferential webs spaced apart in the radial direction and an outer ring, wherein an inflow side of the flow-conducting grille extends flat and parallel to a radial plane of the flow-conducting grille.
Claims14
A flow-conducting grille comprising
- a grille web structure about an axial center line, the grille web structure includes radial webs spaced apart in a circumferential direction, coaxial circumferential webs spaced apart in a radial direction and an outer ring, wherein the flow-conducting grille is designed flat and a ratio D3/H of a maximum outer diameter (D3) thereof to an axial height (H) is defined to be in a range of 6-25, and
- an inflow side of the flow-conducting grille extends flat and parallel to a radial plane of the flow-conducting grille,
- a first coaxial circumferential web from the axial center line when viewed in the radial direction has an extent from an inflow side to an outflow side and is inclined radially outward with respect to the axial center line by an angle (α), and
- a second coaxial circumferential web from the axial center line when viewed in the radial direction has an extent from the inflow side to the outflow side, and is inclined radially inward with respect to the axial center line by an angle (β).
1 more element
A flow-conducting grille comprising
- a grille web structure about an axial center line, the grille web structure includes radial webs spaced apart in a circumferential direction, coaxial circumferential webs spaced apart in a radial direction and an outer ring, wherein
- an inflow side of the flow-conducting grille extends flat and parallel to a radial plane of the flow-conducting grille,
- a first coaxial circumferential web from the axial center line when viewed in the radial direction has an extent from an inflow side to an outflow side and is inclined radially outward with respect to the axial center line by an angle (α),
- a second coaxial circumferential web from the axial center line when viewed in the radial direction has an extent from the inflow side to the outflow side, and is inclined radially inward with respect to the axial center line by an angle (β),
- the extents of the first and second coaxial circumferential webs viewed in the radial direction form, in an imaginary extension at a spacing (L) from the inflow side, an intersection point, which determines an intersection point diameter (D4) radially spaced apart with respect to the axial center line,
- a ratio D4/D3 of the intersection point diameter (D4) with respect to an outflow-side outer diameter (D3) of the flow-conducting grille is defined to be in a range of 0.01-0.8.
3 more elements
A flow-conducting grille comprising
- a grille web structure about an axial center line, the grille web structure includes radial webs spaced apart in a circumferential direction, coaxial circumferential webs spaced apart in a radial direction and an outer ring, wherein
- an inflow side of the flow-conducting grille extends flat and parallel to a radial plane of the flow-conducting grille,
- a first coaxial circumferential web from the axial center line when viewed in the radial direction has an extent from an inflow side to an outflow side and is inclined radially outward with respect to the axial center line by an angle (α),
- a second coaxial circumferential web from the axial center line when viewed in the radial direction has an extent from the inflow side to the outflow side, and is inclined radially inward with respect to the axial center line by an angle (β),
- the extents of the first and second coaxial circumferential webs viewed in the radial direction form, in an imaginary extension at a spacing (L) from the inflow side, an intersection point, which determines an intersection point diameter (D4) radially spaced apart with respect to the axial center line, and
- a ratio D4/L of the intersection point diameter (D4) with respect to the spacing (L) between the intersection point and the inflow side is defined to be in a range of 0-1.6.
3 more elements
Dependencies are inferred from the claim text.