Original document(8 pages)  中文版
    The bladed wheel includes a wheel-disk which supports blades whose transverse section being a closed profile surface. The side of the closed profile surface is symmetrical to the central plane (0-0) of the blade. The curve segment of the profile surface side at the air outlet of the blade is concave towards the previous central plane, and the one at the air inlet is convex outward.
Application Number
申请号		 88103349 Application Date
申请日		 1988.06.04
Title 名称 Vanes for centrifugal air pump with alterable let-in and let-out
Publication Number
公开号		 1038337 Publication Date
公开日		 1989.12.27
Approval Pub. Date Granted Pub. Date
International Classification 分类号 F04D29/30
Applicant(s) Name
申请人		 Vyacheslav Serafimovich Politov
Address 地址
Inventor(s) Name 发明人 Alexandr Nikolaevich Fedorov
Attorney & Agent 代理人 WANG WANQIN
More information 更  多  信  息


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