NZ758273A - Power supply assembly with fan assembly for electronic device - Google Patents

Power supply assembly with fan assembly for electronic device

Info

Publication number
NZ758273A
NZ758273A NZ758273A NZ75827318A NZ758273A NZ 758273 A NZ758273 A NZ 758273A NZ 758273 A NZ758273 A NZ 758273A NZ 75827318 A NZ75827318 A NZ 75827318A NZ 758273 A NZ758273 A NZ 758273A
Authority
NZ
New Zealand
Prior art keywords
electronic device
disposed
wearable electronic
assembly
airflow opening
Prior art date
Application number
NZ758273A
Other versions
NZ758273B2 (en
Inventor
John Aguirre
Youlin Jin
Ralph Remsburg
Guillermo Padin Rohena
Evan Francis Rynk
Carlos Julio Suate Pedroza
Jr Gary Quartana
Bradley Fraser
Haney Awad
William Wheeler
Shigeru Natsume
Original Assignee
Magic Leap Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Magic Leap Inc filed Critical Magic Leap Inc
Publication of NZ758273A publication Critical patent/NZ758273A/en
Publication of NZ758273B2 publication Critical patent/NZ758273B2/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/18—Packaging or power distribution
    • G06F1/183—Internal mounting support structures, e.g. for supporting printed circuit boards
    • G06F1/188—Mounting of power supply units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
    • F04D25/062—Details of the bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F04D29/5853—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps heat insulation or conduction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/163—Wearable computers, e.g. on a belt
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1635—Details related to the integration of battery packs and other power supplies such as fuel cells or integrated AC adapter
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/18—Packaging or power distribution
    • G06F1/181—Enclosures
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/20—Cooling means
    • G06F1/203—Cooling means for portable computers, e.g. for laptops
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T19/00—Manipulating three-dimensional [3D] models or images for computer graphics
    • G06T19/006—Mixed reality
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/623—Portable devices, e.g. mobile telephones, cameras or pacemakers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6563—Gases with forced flow, e.g. by blowers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0213—Venting apertures; Constructional details thereof
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20172—Fan mounting or fan specifications
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B2027/0178—Eyeglass type

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Thermal Sciences (AREA)
  • Optics & Photonics (AREA)
  • Software Systems (AREA)
  • Computer Graphics (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Secondary Cells (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

Described herein is a wearable electronic device. The wearable electronic device comprises a housing configured to be worn by a user. The housing comprises a first compartment in which a first electronic component is disposed. The housing comprises a second compartment in which a second electronic component is disposed, one or both of the first and second electronic components electrically communicating with another component of the electronic device. The housing comprises a fan assembly disposed in the first compartment. The housing comprises one or more ports to provide fluid communication between the fan assembly and outside environs. The housing comprises a connection portion extending between the first and second compartments, the connection portion comprising a channel providing fluid communication between the first and second compartments. The first compartment is separated from the second compartment at a location spaced away from the connection portion by a gap to provide thermal separation between the first and second electronic components.

Claims (44)

WHAT IS CLAIMED IS:
1. A wearable electronic device comprising: a housing configured to be worn by a user, the housing comprising: a first compartment in which a first electronic component is disposed; a second compartment in which a second electronic component is disposed, one or both of the first and second electronic components electrically communicating with another component of the electronic device; a fan assembly disposed in the first compartment; one or more ports to provide fluid communication between the fan assembly and outside environs; and a connection portion extending between the first and second compartments, the connection portion comprising a channel providing fluid communication between the first and second compartments, wherein the first compartment is separated from the second compartment at a location spaced away from the connection portion by a gap to provide thermal separation between the first and second electronic components.
2. The wearable electronic device of claim 1, wherein the first electronic component comprises a processor.
3. The wearable electronic device of claim 1 or 2, wherein the second electronic component comprises a power supply.
4. The wearable electronic device of claim 3, wherein the power supply comprises a battery.
5. The wearable electronic device of any one of claims 1 to 4, wherein the first compartment, the second compartment, and the channel of the connection portion are filled with a gas.
6. The wearable electronic device of any one of claims 1 to 5, wherein the one or more ports comprise one or more inlet ports to permit gas to enter the housing and one or more exhaust ports to permit the gas to exit the housing.
7. The wearable electronic device of any one of claims 1 to 6, wherein the channel has a side cross-sectional area that is smaller than a cross-sectional area of the first compartment taken along a direction parallel to a maximum dimension of the first compartment.
8. The wearable electronic device of any one of claims 1 to 7, wherein the electronic device comprises an augmented reality device.
9. The wearable electronic device of claim 8, further comprising a connector configured to connect to a headpiece to be worn by a user.
10. The wearable electronic device of any one of claims 1 to 9, wherein the first electronic component electrically communicates with the second electronic component by way of one or more electrical connectors extending through the channel.
11. The wearable electronic device of any one of claims 1 to 10, further comprising a clip disposed in the gap between the first and second compartments.
12. The wearable electronic device of any one of claims 1 to 11, further comprising a heat pipe in the first compartment, the heat pipe comprising a thermally conductive channel and a working fluid in the thermally conductive channel, the heat pipe arranged to transfer heat generated by the first electronic component to the outside environs, the fan assembly arranged to move air over and/or around the heat pipe.
13. The wearable electronic device of claim 12, further comprising a finned heat sink in thermally conductive communication with the heat pipe.
14. The wearable electronic device of any one of claims 1 to 13, wherein the fan assembly further comprises: an impeller coupled with a shaft assembly, the impeller configured to rotate about a longitudinal axis of the shaft assembly; a first airflow opening disposed about the longitudinal axis; and a second airflow opening having a face disposed about an axis non-parallel to the longitudinal axis, wherein an airflow pathway of the fan assembly extends between the first airflow opening and the second airflow opening.
15. The wearable electronic device of claim 14, wherein the fan assembly comprises an elongate member extending across at least a portion of the first airflow opening, the elongate member angularly positioned across the first airflow opening at an angle relative to the non-parallel axis that permits at least a local maximum of airflow through the first airflow opening.
16. A wearable electronic device comprising: a housing comprising a first compartment in which a first electronic component is disposed, a second compartment in which a second electronic component is disposed, and a connection portion extending between the first and second compartments, the connection portion comprising a channel providing fluid communication between the first and second compartments, wherein at least one of the first and second electronic component comprises a processor for operating the wearable electronic device; a wearable connector mechanically coupled with the housing, the wearable connector configured to be worn by a user; a battery disposed in the housing, the battery supplying power for at least a portion of the wearable electronic device; and a thermal mitigation assembly comprising a frame assembly, comprising: a shaft assembly having a first end and a second end opposite the first end, the first and second ends supported by the frame assembly; an impeller having fan blades coupled with a hub, the hub being coupled with the shaft assembly for rotation within the housing about a longitudinal axis of the shaft assembly; wherein loading transverse to the longitudinal axis of the shaft assembly is controlled by the frame assembly at the second end of the shaft assembly; and wherein the thermal mitigation assembly removes heat generated from one or both of the battery and the at least one processor.
17. The wearable electronic device of claim 16, wherein the processor and the thermal mitigation assembly are disposed in the first enclosure and the battery is disposed in the second enclosure.
18. The wearable electronic device of claim 17, wherein the wearable connector comprises a clip disposed in a gap between the first and second enclosures.
19. The wearable electronic device of any one of claims 16 to 18, wherein the shaft assembly comprises a first shaft portion connected to a first frame of the frame assembly and a second shaft portion connected to a second frame of the frame assembly, the first and second shaft portions disposed at least partially on opposing sides of the hub.
20. A wearable electronic device comprising: a housing comprising a first compartment in which a first electronic component is disposed, a second compartment in which a second electronic component is disposed, and a connection portion extending between the first and second compartments, the connection portion comprising a channel providing fluid communication between the first and second compartments; a wearable connector mechanically coupled with the housing, the wearable connector configured to be worn by a user; a fan assembly in the housing, the fan assembly comprising: a first support frame; a shaft assembly having a first end coupled with the first support frame and a second end disposed away from the first end; a second support frame coupled with the first support frame and disposed at or over the second end of the shaft assembly; and an impeller having fan blades coupled with a hub, the hub being disposed over the shaft assembly for rotation between the first and second support frames about a longitudinal axis, wherein transverse loading on the shaft assembly is controlled by the first and second support frames, and wherein the impeller is arranged to convey heat away from a processor to outside environs.
21. The wearable electronic device of claim 20, wherein the second support frame comprises an airflow opening disposed about the longitudinal axis which extends between the first and second ends of the shaft assembly.
22. The wearable electronic device of claim 21, wherein the fan assembly further comprises a shaft support coupled with the second end of the shaft assembly, the shaft support being rigidly attached to the second support frame across the airflow opening.
23. The wearable electronic device of claim 22, wherein the shaft support is supported at respective first and second portions of the second support frame, the respective first and second portions spaced apart about a periphery of the airflow opening.
24. The wearable electronic device of claim 23, wherein the first portion of the second support frame is generally on an opposite side of the airflow opening relative to the second portion of the second support frame.
25. The wearable electronic device of any one of claims 22 to 24, wherein the shaft support is disposed in a rotational position of the airflow opening corresponding to a maximum of air flow when the impeller is operating.
26. The wearable electronic device of any one of claims 22 to 25, wherein the shaft support comprises an elongate member between first and second ends thereof, the elongate member having an airfoil shape.
27. The wearable electronic device of any one of claims 22 to 26, wherein the shaft support comprises an elongate member between first and second ends thereof, the elongate member having varying width along the length thereof.
28. The wearable electronic device of any one of claims 22 to 27, wherein the shaft support comprises an elongate member between first and second ends thereof, the elongate member having varying thickness along the length thereof.
29. The wearable electronic device of any one of claims 20 to 28, wherein the shaft assembly comprises a first shaft portion rotationally fixed to the first support frame and a second portion rotationally fixed to the impeller, the second portion being rotatable over a free end of the first shaft portion of the shaft assembly.
30. The wearable electronic device of any one of claims 20 to 29, wherein the shaft assembly comprises an elongate member having a first end disposed on a first side of the impeller and a second end disposed on a second side of the impeller, the second side being opposite the first side.
31. The wearable electronic device of claim 30, wherein the fan assembly further comprises a concave member coupled with the second support frame and configured to rotationally support the second end of the elongate member.
32. The wearable electronic device of claim 31, wherein the fan assembly further comprises an additional concave member coupled with the first support frame and configured to rotationally support the first end of the elongate member.
33. The wearable electronic device of claim 21, wherein an airflow pathway of the fan assembly extends between the airflow opening disposed about the longitudinal axis and a second airflow opening having a face disposed about an axis non-parallel to the longitudinal axis.
34. The wearable electronic device of claim 33, wherein the axis non-parallel to the longitudinal axis is disposed generally perpendicular to the longitudinal axis and along a radial-extending axis of the impeller.
35. A wearable electronic device comprising: a housing comprising a first compartment in which a first electronic component is disposed, a second compartment in which a second electronic component is disposed, and a connection portion extending between the first and second compartments, the connection portion comprising a channel providing fluid communication between the first and second compartments; a wearable connector mechanically coupled with the housing, the wearable connector configured to be worn by a user; a fan assembly in the housing, the fan assembly comprising: an enclosure supporting a shaft assembly at a first end, the shaft having a second end opposite the first end; an impeller having fan blades coupled with a hub, the hub being coupled with the shaft for rotation within the enclosure about a longitudinal axis; a first airflow opening disposed about the longitudinal axis; and a second airflow opening disposed about an axis non-parallel to the longitudinal axis, wherein transverse loading on the shaft assembly is controlled by the enclosure at the second end of the shaft assembly, and wherein the impeller, the first airflow opening, and the second airflow opening are arranged to convey heat away from a processor to outside environs.
36. A wearable electronic device comprising: a housing comprising a first compartment in which a first electronic component is disposed, a second compartment in which a second electronic component is disposed, and a connection portion extending between the first and second compartments, the connection portion comprising a channel providing fluid communication between the first and second compartments; a wearable connector mechanically coupled with the housing, the wearable connector configured to be worn by a user; a fan assembly in the housing, the fan assembly comprising: a fan housing comprising a shaft support and a shaft assembly supported by the shaft support; an impeller disposed in the fan housing and coupled with the shaft assembly, the impeller configured to rotate about a longitudinal axis of the shaft assembly; a first airflow opening disposed about the longitudinal axis; a second airflow opening having a face disposed about an axis non- parallel to the longitudinal axis; and an airflow pathway of the fan assembly extending between the first airflow opening and the second airflow opening, wherein the shaft support comprises an elongate member extending across at least a portion of the first airflow opening, the elongate member angularly positioned across the first airflow opening at an angle relative to the non-parallel axis that permits at least a local maximum of airflow through the first airflow opening, and wherein the impeller, the first airflow opening, and the second airflow opening are arranged to convey heat away from a processor to outside environs.
37. The wearable electronic device of claim 36, wherein the angle relative to the non-parallel axis is acute.
38. The wearable electronic device of claim 37, wherein the angle relative to the non-parallel axis is in a range of -45° to 45°.
39. The wearable electronic device of claim 37 or 38, wherein the angle relative to the non-parallel axis is in a range of -30° to 30°.
40. A method of manufacturing a wearable electronic device including a fan assembly, the method comprising: providing a housing comprising a first compartment in which a first electronic component is disposed, a second compartment in which a second electronic component is disposed, and a connection portion extending between the first and second compartments, the connection portion comprising a channel providing fluid communication between the first and second compartments; providing a wearable connector mechanically coupled with the housing, the wearable connector configured to be worn by a user; providing the fan assembly in the housing, the fan assembly comprising: a fan housing ; an impeller disposed in the fan housing and coupled with a shaft assembly, the impeller configured to rotate about a longitudinal axis of the shaft assembly; a first airflow opening disposed about the longitudinal axis; and a second airflow opening having a face disposed about an axis non- parallel to the longitudinal axis, wherein an airflow pathway of the fan assembly extends between the first airflow opening and the second airflow opening, wherein the impeller, the first airflow opening, and the second airflow opening are arranged to convey heat away from a processor to outside environs; computing an airflow profile through the fan assembly; and based on the computing, providing a shaft support to support an end of the shaft assembly, the shaft support comprising an elongate member extending across at least a portion of the first airflow opening.
41. The method of claim 40, further comprising, based on the computing, angularly positioning the elongate member at least partially across the first airflow opening at an angle relative to the non-parallel axis that permits at least a local maximum of airflow through the first airflow opening.
42. The method of claim 41, wherein angularly positioning comprises orienting the angle relative to the non-parallel axis at an acute angle.
43. The method of claim 42, wherein angularly positioning comprises orienting the angle relative to the non-parallel axis in a range of -45° to 45°.
44. The method of claim 42 or 43, wherein angularly positioning comprises orienting the angle relative to the non-parallel axis in a range of -30° to 30°.
NZ758273A 2018-05-29 Power supply assembly with fan assembly for electronic device NZ758273B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762512635P 2017-05-30 2017-05-30
US201862671379P 2018-05-14 2018-05-14
PCT/US2018/034948 WO2018222618A1 (en) 2017-05-30 2018-05-29 Power supply assembly with fan assembly for electronic device

Publications (2)

Publication Number Publication Date
NZ758273A true NZ758273A (en) 2023-11-24
NZ758273B2 NZ758273B2 (en) 2024-02-27

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US20210240236A1 (en) 2021-08-05
AU2024201816A1 (en) 2024-04-11
KR20240012612A (en) 2024-01-29
CA3059984A1 (en) 2018-12-06
JP2022173346A (en) 2022-11-18
IL303933B2 (en) 2024-08-01
JP2020524831A (en) 2020-08-20
US10871806B2 (en) 2020-12-22
CN110710014B (en) 2023-06-20
KR20240069815A (en) 2024-05-20
EP3631874A4 (en) 2021-03-03
KR20200014752A (en) 2020-02-11
AU2018277530A1 (en) 2019-11-07
WO2018222618A1 (en) 2018-12-06
KR102664361B1 (en) 2024-05-10
JP2024036439A (en) 2024-03-15
CN116666814A (en) 2023-08-29
JP7319927B2 (en) 2023-08-02
US20230409093A1 (en) 2023-12-21
KR102627882B1 (en) 2024-01-22
IL270856B1 (en) 2023-08-01
US11797065B2 (en) 2023-10-24
US20180348826A1 (en) 2018-12-06
EP3631874B1 (en) 2025-01-08
EP3631874A1 (en) 2020-04-08
AU2018277530B2 (en) 2024-02-22
US20240393844A1 (en) 2024-11-28
EP4513253A2 (en) 2025-02-26
JP7480236B2 (en) 2024-05-09
AU2024201816B2 (en) 2024-05-09
CA3059984C (en) 2024-01-30
CN110710014A (en) 2020-01-17
IL303933A (en) 2023-08-01
IL270856A (en) 2020-01-30
IL303933B1 (en) 2024-04-01
IL270856B2 (en) 2023-12-01
EP4513253A3 (en) 2025-04-30
US12085999B2 (en) 2024-09-10
IL311011A (en) 2024-04-01

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