Igwe ikuku ikuku (wheel) bụ otu n'ime ihe ndị bụ isi nke akụrụngwa ikuku, na-aza ihe dịka 15% - 20% nke ọnụ ahịa akụrụngwa.Nhazi ya ga-emetụta arụmọrụ na uru nke akụrụngwa ozugbo.
A na-ejikarị agụba fan na ndị na-efe efe, ndị na-afụ ọkụ, ndị na-afụ mgbọrọgwụ mgbọrọgwụ na ndị compressors turbine.E kewara ha ụzọ asatọ: centrifugal compressors, axial-flow compressors, compressors reciprocating, centrifugal blowers, mgbọrọgwụ blowers, centrifugal Fans, axial-flow Fans na unu.