Patent ID: 9587650
Date: 2017-03-07
CPC Classifications: F04F,Y10T

Claim:
1. An ejector comprising: a nozzle that ejects a fluid, wherein the nozzle includes therein a fluid passage having a circular shape in cross section, the fluid passage includes: a passage wall surface of the divergent portion includes a recess portion that is recessed from within outward in a radial direction of the passage wall surface, a first uninterrupted surface extending between the throat portion and the recess portion, and a second uninterrupted surface extending from the recess portion to the election port, the recess portion is located adjacent to the ejection port, the recess portion extends continuously in a circumferential direction of the passage wall surface to have an annular shape, a shape of the recess portion in cross section perpendicular to the circumferential direction is a V shape, and the V shape has a larger dimension in width along the flow direction than depth.