CENTRIFUGAL TURBOMACHINE
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United States of America Patent
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N/A
Issued Date -
Nov 21, 2013
app pub date -
Dec 1, 2011
filing date -
Dec 10, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A plurality of vaned diffusers is disposed on a concentric plate at intervals in a circumferential direction thereof, and each of the diffusers is a curvilinear element three-dimensional diffuser having blades which are extended from a hub side of a impeller to a shroud side thereof. The blades are formed in a form in which a blade serving as a reference is stacked in a direction of the height of the blade, which is a direction of a gap between the hub and the shroud. A dihedral distribution in which moving in a direction perpendicular to a chord direction linking a leading edge of the blade as the reference with a tailing edge thereof, is set as a positive movement is non-uniform from an end portion on the hub side to an intermediate portion of the height of the blade.
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