- Patent Title: Structure of rotor connection of multi-axial multi-stage roots pump
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Application No.: US17030816Application Date: 2020-09-24
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Publication No.: US11608829B2Publication Date: 2023-03-21
- Inventor: Yi Rong , Yue Li , Miaole Shen
- Applicant: OVG Vacuum Technology (Shanghai) Co., Ltd.
- Applicant Address: CN Shanghai
- Assignee: OVG Vacuum Technology (Shanghai) Co., Ltd.
- Current Assignee: OVG Vacuum Technology (Shanghai) Co., Ltd.
- Current Assignee Address: CN Shanghai
- Agency: Renner, Kenner, Greive, Bobak, Taylor & Weber
- Priority: CN201910960214.6 20191010
- Main IPC: F01C1/08
- IPC: F01C1/08 ; F03C2/00 ; F03C4/00 ; F04C15/00 ; F04C2/00 ; F04C2/18 ; F04C11/00
Abstract:
A structure comprising a rotor body, the rotor body including a rotor shaft arranged on one end face of the rotor body, a sub-shaft cavity opened in the rotor shaft, and locating keyways symmetrically opened on both sides inside the sub-shaft cavity; a sub-shaft arranged on the other end face of the rotor body, and sub-shaft locating keyways symmetrically opened on both sides of the sub-shaft.
Public/Granted literature
- US20210108636A1 STRUCTURE OF ROTOR CONNECTION OF MULTI-AXIAL MULTI-STAGE ROOTS PUMP Public/Granted day:2021-04-15
Information query
IPC分类:
