Enclosed integral polyurethane blade wheel and mould for making it

Application Number: 00112339
Application Date: 2000.06.09
Publication Number: 1328217
Publication Date: 2001.12.26
Priority Information:
International: F04D29/22;F04D29/02
Applicant(s) Name: Huohua Special Materials and Apparatus Factory, Yixing City
Inventor(s) Name: Pan Guoyu;Chen Hongde
Patent Agency Code: 32208
Patent Agent: cao weihua
Abstract An enclosed integral polyurethane blade wheel features that its top and bottom cover plates and blades are made up of directly poured polyurethane. Its mould is made up of ordinary iron and the brittle material for easy demoulding and low cost. Its advantages are no need of skeleton, high integral strength and antiwear performance, light weight, long service life, saving electric energy by 1/5, and low cost.