发明名称 |
Compressors |
摘要 |
The present invention provides a compressor comprising a housing 1 defining an air inlet passage 2 and a volute duct. A rotary impeller 6 is located within the housing 1 between the inlet passage 2 and the volute duct. A sleeve 3 is mounted axially in the inlet passage 2 and divides the inlet passage into a radially outer portion 4 and a radially inner portion 5. A plurality of inlet guide vanes 8 are positioned in the radially outer portion 4 and impart a rotary component of movement pre-swirl) to air passing through the inlet passage 2. A fluid cut-off valve 9 is positioned in the radially inner portion 5 and for selectively preventing fluid flow therethrough and diverting all of the air through the radially outer portion 4 of the inlet passage 2 at low mass flow rates.
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申请公布号 |
US2004009061(A1) |
申请公布日期 |
2004.01.15 |
申请号 |
US20030614788 |
申请日期 |
2003.07.09 |
申请人 |
IMRA EUROPE S.A. UK RESEARCH CENTRE. |
发明人 |
MCDONALD GARY |
分类号 |
F04D29/44;F02C7/04;F04D27/02;F04D29/42;F04D29/46;(IPC1-7):F03B1/04 |
主分类号 |
F04D29/44 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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