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Class Information
Number: 416/187
Name: Fluid reaction surfaces (i.e., impellers) > Rotor having flow confining or deflecting web, shroud or continuous passage > Radially extending web or end plate > Circumferentially and radially continuous web or end plate > Having opposed annular surface between adjacent blades > Angularly spaced, axially elongated blades (i.e., squirrel cage type)
Description: Apparatus in which the working member* has a dimension along the axis of rotation which is substantially greater than the dimensions along a radius (transverse to the axis of rotation) or across the member (thickness), the plurality of such members arranged and spaced around the annular surface, the member being of substantially constant radial extent along its length and supported between the two surfaces distally from the axis of rotation.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8678768 Vertical axis turbine Mar. 25, 2014
8641364 Blade for an impeller wheel Feb. 4, 2014
8628302 Single or multiple stage blower and nested volute(s) and/or impeller(s) therefor Jan. 14, 2014
8579575 Wind turbine Nov. 12, 2013
8454316 Radial blade wheel Jun. 4, 2013
8419360 Multi-blade centrifugal fan Apr. 16, 2013
8240997 Centrifugal impeller and centrifugal blower using the centrifugal impeller Aug. 14, 2012
8235668 Multiblade air blower Aug. 7, 2012
8192165 Impeller of multiblade fan and multiblade fan having the same Jun. 5, 2012
8177511 Blower wheel May. 15, 2012
8167562 Centrifugal fan and blower having the same May. 1, 2012
8128369 Blower impeller with partial tip blockage Mar. 6, 2012
8113782 Impeller structure of blower Feb. 14, 2012
8096773 Vertical axis wind turbine Jan. 17, 2012
8092181 Resin cross flow fan and manufacturing method thereof Jan. 10, 2012
8061993 Vertical axis turbine Nov. 22, 2011
8025478 Centrifugal pump Sep. 27, 2011
7909577 System and method for pulverizing and extracting moisture Mar. 22, 2011
7905708 Fan and impeller thereof Mar. 15, 2011
7815419 Impeller for blower and air conditioner having the same Oct. 19, 2010
7771169 Centrifugal multiblade fan Aug. 10, 2010
7758299 Wind turbine assembly Jul. 20, 2010
7744350 Multiblade fan Jun. 29, 2010
7742302 Axial-flow fan unit and heat-emitting element cooling Jun. 22, 2010
7503746 Fan of heat sink Mar. 17, 2009
7500830 System and method for pulverizing and extracting moisture Mar. 10, 2009
7481616 Centrifugal fan, cooling mechanism, and apparatus furnished with the cooling mechanism Jan. 27, 2009
7422418 Cross flow fan Sep. 9, 2008
7399161 Centrifugal fan Jul. 15, 2008
7364411 Fan impeller and fan motor Apr. 29, 2008
7351031 Centrifugal blower Apr. 1, 2008
7329100 Centrifugal fan impeller Feb. 12, 2008
7311494 Fan and scroll design for high efficiency and low noise Dec. 25, 2007
7281897 Multi-blade centrifugal blower Oct. 16, 2007
7264446 Centrifugal-fan impeller, and method of its manufacture Sep. 4, 2007
7210907 Centrifugal fan impeller with blades inclined relative to the axis of rotation May. 1, 2007
7195457 Motor-operated fan for air cushion table Mar. 27, 2007
7165942 Fan impeller with integrated grease separation, especially for cooking appliance Jan. 23, 2007
6945753 Smoke exhauster having improved fan device Sep. 20, 2005
6942459 Modified centrifugal fan wheel Sep. 13, 2005
6921330 Front chaffer and cleaning fan Jul. 26, 2005
6893220 Centrifugal fan May. 17, 2005
6883411 Impeller for rotary slicing machine Apr. 26, 2005
6786697 Turbine Sep. 7, 2004
6769876 Centrifugal ventilator fan Aug. 3, 2004
6755617 Method for the early detection of aerodynamic instabilities in a turbomachine compressor Jun. 29, 2004
6648936 Oil mist eliminator Nov. 18, 2003
6634855 Impeller and fan incorporating same Oct. 21, 2003
6609893 Impeller wheel with an improved connection between the center plate and the fan blades Aug. 26, 2003
6468038 Fan, method for producing the fan by molding molten metal, and device for producing the fan by molding molten metal Oct. 22, 2002

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