|
US2287822A
(en)
|
|
Blower
|
|
US2641191A
(en)
|
|
Guide means on impeller for centrifugal pumps or blowers
|
|
GB1465198A
(en)
|
|
Suction cleaner with auxiliary air flow
|
|
WO2016119473A1
(zh)
|
|
一种空调室内机冷交换系统
|
|
US1865918A
(en)
|
|
Impeller and method of making same
|
|
US2037880A
(en)
|
|
Fan
|
|
US1447915A
(en)
|
|
Centrifugal fan
|
|
US2390879A
(en)
|
|
Propeller fan
|
|
US2104233A
(en)
|
|
Blower
|
|
US2366251A
(en)
|
|
Blower impeller
|
|
SE70867C1
(cg-RX-API-DMAC7.html)
|
|
|
|
US1787655A
(en)
|
|
Apparatus and method of controlling fans
|
|
US949150A
(en)
|
|
Centrifugal fan.
|
|
US2139112A
(en)
|
|
Blower
|
|
US2106040A
(en)
|
|
Blower rotor for very high peripheral velocity
|
|
US1462557A
(en)
|
|
Blower or suction fan
|
|
US2213497A
(en)
|
|
Airplane propeller
|
|
US3237850A
(en)
|
|
Axial flow fan with boundary layer control
|
|
US2348792A
(en)
|
|
Propelling plant for aircraft
|
|
US2283068A
(en)
|
|
Propeller
|
|
GB631231A
(en)
|
|
Improvements relating to cased screw fans
|
|
US2245179A
(en)
|
|
Vacuum cleaner
|
|
US2325154A
(en)
|
|
Vortex eliminator in air handling apparatus
|
|
US851457A
(en)
|
|
Centrifugal fan.
|
|
US1805055A
(en)
|
|
Blower
|