发明名称 |
Ceramic radial turbine rotor |
摘要 |
A ceramic radial turbine rotor made of a ceramic material having a strength s (kg/mm2) includes blade tips having a thickness t (mm). A product st2 of strength s and t2 (square of t) is representative of resistance to breakage of the rotor to foreign objects colliding against blades of the rotor. The product st2 fulfills a relation st2>/=5x104 vm+33. In this case, v is a circumferential speed of tip ends of inducers of blades of the rotating rotor when the blades are damaged by steel balls having a mass m (kg) colliding against the blades in a steel ball collision test of blades of a ceramic radial turbine rotor, and vm is a product of v and m.
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申请公布号 |
US4850803(A) |
申请公布日期 |
1989.07.25 |
申请号 |
US19870100449 |
申请日期 |
1987.09.24 |
申请人 |
NGK INSULATORS, LTD. |
发明人 |
KAWASAKI, KEIJI;KATO, KIMINARI |
分类号 |
F01D5/04;F01D5/14;F01D5/28;F01D21/00 |
主分类号 |
F01D5/04 |
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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