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1. WO2020142763 - CEILING FAN WITH STOWABLE BLADES AND RELATED METHODS

Publication Number WO/2020/142763
Publication Date 09.07.2020
International Application No. PCT/US2020/012340
International Filing Date 06.01.2020
IPC
F04D 29/34 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
26Rotors specially adapted for elastic fluids
32for axial-flow pumps
34Blade mountings
F04D 29/38 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
26Rotors specially adapted for elastic fluids
32for axial-flow pumps
38Blades
F04D 25/08 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
25Pumping installations or systems specially adapted for elastic fluids
02Units comprising pumps and their driving means
08the working fluid being air, e.g. for ventilation
F04D 29/36 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
26Rotors specially adapted for elastic fluids
32for axial-flow pumps
34Blade mountings
36adjustable
CPC
F04D 25/088
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
25Pumping installations or systems
02Units comprising pumps and their driving means
08the working fluid being air, e.g. for ventilation
088Ceiling fans
F04D 29/329
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
26Rotors specially for elastic fluids
32for axial flow pumps
325for axial flow fans
329Details of the hub
F04D 29/34
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
26Rotors specially for elastic fluids
32for axial flow pumps
34Blade mountings
F04D 29/646
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
60Mounting; Assembling; Disassembling
64of axial pumps
644especially adapted for elastic fluid pumps
646Mounting or removal of fans
Applicants
  • DELTA T, LLC [US]/[US]
Inventors
  • NOBLE, Ernest, John
  • TAN, Ken, Siong
  • BIN MUSA, Muhammed Yusuf
Agents
  • DORISIO, Andrew, D.
Priority Data
62/788,18904.01.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) CEILING FAN WITH STOWABLE BLADES AND RELATED METHODS
(FR) VENTILATEUR DE PLAFOND À PALES ESCAMOTABLES ET PROCÉDÉS ASSOCIÉS
Abstract
(EN)
A ceiling fan includes a hub adapted to be rotated, such as by an onboard motor in a low-profile motor housing. One or more fan blades are adapted to extend radially from the hub. At least one magnet is provided for coupling at least one fan blade to the hub. A hinge may connect the at least one fan blade to the hub, and may be located radially outwardly of overlapping portions of the fan blade and hub. In this manner, the blade may be adapted to extend radially from the hub when deployed and generally vertically when stowed, but in a deployed configuration, the radial extension overlies and contacts at least a portion of the fan blade along an overlapping region, but does not contact the portion of the at least one stowable fan blade when stowed. Related methods are also described.
(FR)
L'invention concerne un ventilateur de plafond comprenant un moyeu conçu pour être entraîné en rotation, par exemple par un moteur embarqué dans un boîtier de moteur à profil bas. Une ou plusieurs pales de ventilateur sont conçues pour s'étendre radialement à partir du moyeu. Au moins un aimant est prévu pour coupler au moins une pale de ventilateur au moyeu. Une charnière peut relier l'une ou les pales de ventilateur au moyeu, et peut être située radialement vers l'extérieur de parties chevauchantes de la pale de ventilateur et du moyeu. De cette manière, la pale peut être conçue pour s'étendre radialement à partir du moyeu lorsqu'elle est déployée et généralement verticalement lorsqu'elle est rangée, mais dans une configuration déployée, l'extension radiale recouvre et vient en contact avec au moins une partie de la pale de ventilateur le long d'une région de chevauchement, mais ne vient pas en contact avec la partie de l'au moins une pale de ventilateur escamotable lorsqu'elle est rangée. Des procédés correspondants sont également décrits.
Also published as
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