Diaphragms for axial flow fluid machines

Details Diaphragms for axial flow fluid machines Diaphragms for axial flow fluid machines

1976-10-21

1979-03-27

Croyle, Carlton R.

Rotary kinetic fluid motors or pumps

Working fluid bypass

415DIG1, F01B 3500, F01D 1302

Patent

active

041463528

ABSTRACT:
A diaphragm for an axial flow fluid machine comprising inner and outer walls for defining an annular fluid flow passage therebetween, a blade lattice having a plurality of stationary blades disposed in the fluid flow passage, each of the blades having a concave side surface and a convex side surface, adjacent two stationary blades defining an inter-blade fluid flow path together with the inner and outer walls, a suction port open to a first portion of the fluid flow path adjacent to the concave side surface and the inner or outer wall to suck the fluid therefrom, a blowoff port open to blow off the fluid to a second portion of the fluid flow path adjacent to the inner or outer wall and at which the pressure is lower than that at the first portion, and a passageway for communicating between the suction port and the blowoff port, thereby reducing the secondary flow loss and the blade configuration loss in the blade lattice.

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