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US 6,599,088 B2Granted
Dynamically sealing ring fan shroud assembly
AssigneeBorgWarner Inc.
InventorJonathan B. Stagg
Life of this patent
Estimating the term…
Abstract
A fan assembly 10 is provided including at least one impeller blade 12, a rotating ring element 14 having a flared inner discharge surface 22, and a shroud element 20 having a shroud exit surface 32 substantially coincident with the flared inner discharge surface 22.
Claims16
A fan assembly comprising:
- at least one impeller blade;
- a rotating ring element having a flared inner discharge surface;
- and
- a shroud element including a shroud exit surface, said shroud exit surface being substantially coincident with said flared inner discharge surface such that a Coanda effect is generated in air flowing past said flared inner discharge surface and along said shroud exit surface.
1 more element
A fan assembly comprising:
- at least one impeller blade;
- a rotating ring element having a flared inner discharge surface;
- and
- a shroud element including a shroud exit surface and defining a tip gap between said flared inner discharge surface and said shroud exit surface, said shroud exit surface being substantially coplanar with said flared inner discharge surface.
1 more element
A fan assembly comprising at least one impeller blade;
- a rotating ring element having a flared inner discharge surface;
- a shroud element including a shroud exit surface and defining a tip gap between said flared inner discharge surface and said shroud exit surface, said shroud exit surface being substantially coincident with said flared inner discharge surface;
- and
- a front plate including a trailing edge, said trailing edge is positioned inboard of a leading edge of said rotating ring element.
1 more element
A fan assembly comprising at least one impeller blade;
- a rotating ring element having a flared inner discharge surface;
- a shroud element including a shroud exit surface and defining a tip gap between said flared inner discharge surface and said shroud exit surface, said shroud exit surface being substantially coincident with said flared inner discharge surface;
- and
- a front plate including a trailing edge, said trailing edge is substantially coincident with a leading surface of said rotating ring element.
1 more element
Dependencies are inferred from the claim text.