PUMP

To provide a pump which is constructed to reduce manufacturing man-hours and time while securing sealability between a rotor and a stator.SOLUTION: The pump includes the rotor to be rotated around a center axis, the stator located on the radial outside of the rotor and encircling the rotor, a pump p...

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Bibliographic Details
Main Authors KATAOKA YOSHIHIRO, SHIZUKU OSAMICHI
Format Patent
LanguageEnglish
Japanese
Published 01.06.2023
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Summary:To provide a pump which is constructed to reduce manufacturing man-hours and time while securing sealability between a rotor and a stator.SOLUTION: The pump includes the rotor to be rotated around a center axis, the stator located on the radial outside of the rotor and encircling the rotor, a pump part linked to one axial side of the rotor, a support member having a base part covering the stator from one axial side and a non-magnetic rotor storage part located on the radial inside of the stator and storing the rotor, a fixing member located on the radial outside of the stator and encircling the stator, and a cover having a cover body part located on the other axial side of the rotor storage part, the rotor storage part having a cover part covering the rotor from the other axial side, and a cylindrical part located between the rotor and the stator in the radial direction and opened to one axial side, the stator being fixed to the fixing member, the fixing member being fixed to the support member, the cover being fixed to the other axial side of the fixing member.SELECTED DRAWING: Figure 1 【課題】ロータとステータとの間のシール性を確保しつつ、製造する工数および時間を低減できる構造を有するポンプを提供する。【解決手段】中心軸を中心として回転可能なロータと、ロータの径方向外側に位置し、ロータを囲むステータと、ロータの軸方向一方側に繋がるポンプ部と、ステータを軸方向一方側から覆う基部、およびステータの径方向内側に位置しロータを内部に収容する非磁性体製のロータ収容部を有する支持部材と、ステータの径方向外側に位置し、ステータを囲む固定部材と、ロータ収容部の軸方向他方側に位置するカバー本体部を有するカバーと、を備える。ロータ収容部は、ロータを軸方向他方側から覆う蓋部と、径方向においてロータとステータとの間に位置し、軸方向一方側に開口する筒状部と、を有する。ステータは、固定部材に固定されている。固定部材は、支持部材に固定されている。カバーは、固定部材の軸方向他方側に固定されている。【選択図】図1
Bibliography:Application Number: JP20210189309