FIELD: fan engineering. ^ SUBSTANCE: centrifugal fan comprises housing that is sectional and is made of thick-walled plates oriented along the tangent to the additional spiral and bent sheet that abuts against the housing from inside through distant longitudinal ribs. The lengths of the plates and the sheet are determined from the formulae presented. ^ EFFECT: simplified manufacturing. ^ 2 dwg
申请公布号
RU2005127620(A)
申请公布日期
2007.03.10
申请号
RU20050127620
申请日期
2005.09.02
申请人
Федеральное государственное унитарное предпри тие"Научно-производственный центр "Полюс" (RU)
发明人
Подлевский Николай Иванович (RU);Хитрук Борис Сергеевич (RU);Абдрахманова Тать на Борисовна (RU);Гарганеев Борис Петрович (RU)
