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US 6,672,856 B1Granted
Diffuser guide vanes for high-speed screw compressor
AssigneeCarrier Corporation
InventorsH. Ezzat Khalifa, Michael K. Sahm
Life of this patent
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Abstract
A screw compressor includes a housing containing at least one rotor for generating a discharge flow in a discharge flow direction; a diffuser communicated with the housing and having a collecting portion for receiving the discharge flow, a diffuser throat and a diffuser portion, said diffuser extending from the housing in a diffuser direction; and at least one turning vane positioned in the collecting portion and adapted to guide flow from the discharge flow direction to the diffuser direction.
Claims6
A screw compressor, comprising:
- a housing containing at least one rotor for generating a discharge flow in a discharge flow direction;
- a diffuser communicated with said housing and having a collecting portion for receiving said discharge flow, a diffuser throat and a diffuser portion, said diffuser extending from said housing in a diffuser direction;
- and
- at least one turning vane positioned in said collecting portion and adapted to guide flow from said discharge flow direction to said diffuser direction, wherein said discharge flow has an average leaving velocity vector and wherein said turning vane is an arcuate member having a leading edge, a tangent to said leading edge being substantially parallel to said average leaving velocity vector.
1 more element
Dependencies are inferred from the claim text.