公开(公告)号：US20110243762A1

公开(公告)日：2011-10-06

申请号：US13076084

申请日：2011-03-30

Applicant: Kensuke DAIKOKU ,  Takaharu SATO

Inventor： Kensuke DAIKOKU ,  Takaharu SATO

IPC: F04B17/00 ,  F16C32/06

CPC classification number: F04D29/057 ,  F02B33/40 ,  F02B39/10 ,  F04D25/0606 ,  F04D29/584 ,  F16C17/024 ,  F16C17/042 ,  F16C17/10 ,  F16C37/002

Abstract: A motor-driven centrifugal compressor includes a journal air bearing having a bump foil and a top foil for restraining a bearing shaft in a resting state and forming an air layer between the top foil and the bearing shaft in a rotating state. The top foil and the bump foil are fixed to an inner circumferential surface of a ring member, which is fixed to an inner circumferential surface of a first stationary holding member of the ring member. The first stationary holding member has a coolant water channel defined therein. The bearing shaft, the air layer, the top foil, the bump foil, and the coolant water channel are arranged in the order named along a normal direction.

Abstract translation: 电动离心压缩机包括具有凸块箔的轴颈空气轴承和用于将轴承轴限制在静止状态的顶部箔片，并且在旋转状态下在顶部箔片和轴承轴之间形成空气层。 顶部箔片和凸块箔片固定在环状部件的内周面上，环状部件固定于环状部件的第一固定保持部件的内周面。 第一固定保持构件具有限定在其中的冷却水通道。 轴承轴，空气层，顶部箔，凸块箔和冷却水通道按照正常方向按顺序排列。