US 12,410,813 B2
Household appliance having an improved fan and motor assembly and fan and motor assembly for same
Wayne Ernest Conrad, Hampton (CA)
Assigned to Omachron Intellectual Property Inc., Hampton (CA)
Appl. No. 17/911,226
Filed by Omachron Intellectual Property Inc., Hampton (CA)
PCT Filed Mar. 31, 2021, PCT No. PCT/CA2021/050434
§ 371(c)(1), (2) Date Sep. 13, 2022,
PCT Pub. No. WO2021/195773, PCT Pub. Date Oct. 7, 2021.
Application 17/911,226 is a continuation in part of application No. 17/094,330, filed on Nov. 10, 2020, granted, now 11,517,091.
Application 17/094,330 is a continuation in part of application No. 16/944,388, filed on Jul. 31, 2020, granted, now 11,457,713.
Application 16/944,388 is a continuation in part of application No. 16/938,057, filed on Jul. 24, 2020, granted, now 11,425,979.
Application PCT/CA2021/050434 is a continuation in part of application No. 16/938,057, filed on Jul. 24, 2020, granted, now 11,425,979.
Application PCT/CA2021/050434 is a continuation in part of application No. 16/837,996, filed on Apr. 1, 2020, granted, now 11,425,980, issued on Aug. 30, 2022.
Application 16/938,057 is a continuation in part of application No. 16/837,996, filed on Apr. 1, 2020, granted, now 11,425,980, issued on Aug. 30, 2022.
Claims priority of provisional application 63/062,600, filed on Aug. 7, 2020.
Claims priority of provisional application 63/044,788, filed on Jun. 26, 2020.
Claims priority of provisional application 63/035,282, filed on Jun. 5, 2020.
Claims priority of provisional application 63/027,006, filed on May 19, 2020.
Prior Publication US 2023/0098664 A1, Mar. 30, 2023
Int. Cl. F04D 29/46 (2006.01); A45D 20/00 (2006.01); A47L 11/40 (2006.01); F04D 25/06 (2006.01)
CPC F04D 29/462 (2013.01) [A45D 20/00 (2013.01); A47L 11/4002 (2013.01); F04D 25/06 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A household appliance having an air flow path extending from an air inlet to an air outlet with a fan and motor assembly in the air flow path, the fan and motor assembly comprising a motor drivingly connected to a first rotating fan blade subassembly and a shield, the first rotating fan blade subassembly comprising a plurality of rotatable blades, a vortex finder and a plurality of fan blade air channels, the motor has an axis of rotation, the vortex finder having an outlet that communicates with an inlet of the first rotating fan blade subassembly, and the position of the vortex finder to the inlet is adjustable between a first position in which the fan and motor assembly is in a first configuration and the first rotating fan blade subassembly provides a first level of air flow and a first level of suction and a second position in which the fan and motor assembly is in a second configuration in which the first rotating fan blade subassembly provides a second level of air flow and a second level of suction wherein the first level of air flow is higher than the second level of air flow and the second level of suction is higher than the first level of suction.