IMPELLER, PUMP DEVICE, AND MANUFACTURING METHOD OF IMPELLER

To provide a small impeller which can secure a passage area, and to provide a pump device.SOLUTION: An impeller according to one embodiment of the invention includes: a shroud which extends intersecting with a direction of a rotation shaft; and blades each of which is disposed on one surface as seen...

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Bibliographic Details
Main Authors YAMASHITA EIGO, ITO TOMOHIRO, YANAGAWA HIDEAKI
Format Patent
LanguageEnglish
Japanese
Published 24.10.2022
Subjects
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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Summary:To provide a small impeller which can secure a passage area, and to provide a pump device.SOLUTION: An impeller according to one embodiment of the invention includes: a shroud which extends intersecting with a direction of a rotation shaft; and blades each of which is disposed on one surface as seen in a first direction of the shroud, extends in a direction intersecting with the rotation shaft direction, and has a relief part, where a part at the shroud side is retreated in a direction away from the rotation shaft, at a rotation shaft side end part.SELECTED DRAWING: Figure 4 【課題】小型で流路面積を確保することができるインペラ及びポンプ装置を提供する。【解決手段】本発明の一形態にかかるインペラは、回転軸方向に交差して延設するシュラウドと、前記シュラウドの前記第１方向の一方側の面に配置され、前記回転軸方向に交差する方向に延びるとともに、回転軸側の端部においてシュラウド側の一部が、前記回転軸から離れる方向に退避した逃げ部を有する、羽根と、を備える。【選択図】図４
Bibliography:Application Number: JP20210067017