发明公开
- 专利标题： PUMPING SYSTEM
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申请号： EP22208690.2申请日： 2022-11-22
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公开(公告)号： EP4197912A1公开(公告)日： 2023-06-21
- 发明人: Murray, Christopher A
- 申请人： Rolls-Royce plc
- 申请人地址： GB London N1 9FX Kings Place 90 York Way
- 代理机构： Rolls-Royce plc
- 优先权： GB202118357 20211217
- 主分类号： B64D13/02
- IPC分类号： B64D13/02 ; F01D15/08 ; F01D15/10 ; F02C7/32 ; F04D13/02 ; F04D13/04 ; F04D13/06 ; F04D15/00 ; F02C9/30
摘要：
A variable speed pumping system 200, for an aircraft 50, comprising: a first electrical machine 116, the first electrical machine 116 comprising an electrical machine rotor shaft 202 mechanically connected to an engine 10 of the aircraft and electrical machine stator coils 204; an electric pump motor-generator 206, the electric pump motor-generator 206 comprising an electric pump rotor shaft 208 mechanically connected to the electrical machine rotor shaft 202 via a one way drive arrangement 210 and electric pump stator coils 212; wherein the electric pump rotor shaft 208 is mechanically connected to a fluid pumping system 214.
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