发明名称 |
Self-lubricating rotary vane pump |
摘要 |
The invention comprises a rotary pump with sliding vanes with a self-lubricating solid coating covering the exterior end facing surfaces of the rotor and end facing surfaces of air transfer end plates. Additionally disclosed herein is a rotary pump with sliding vanes with a pair of bushings centrally located in the rotor with the internal bearing facing surfaces of the bushings covered with a self-lubricating solid coating.
|
申请公布号 |
US4820140(A) |
申请公布日期 |
1989.04.11 |
申请号 |
US19870112485 |
申请日期 |
1987.10.26 |
申请人 |
SIGMA-TEK, INC. |
发明人 |
BISHOP, JERRY B. |
分类号 |
F01C21/08;F01C21/10;F16C33/12;(IPC1-7):F04C18/344;F04C29/00;F16C33/24 |
主分类号 |
F01C21/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|