Backward inclined fan impeller
Blade configurations for Francis-type turbine runners
Blade for a centrifugal pump impeller
Blade for a cooling fan
Blade for fluid pump
Blade part in turbofan
Blade wheel for a centrifugal pump
Blower and the blade structure thereof
Blower fan
Blower fan structure
Blower impeller and method of lofting their blade shapes
Blower wheel apparatus
Blowing apparatus for refrigerators