GB201212923D0 - Improved apparatus - Google Patents

Improved apparatus

Info

Publication number
GB201212923D0
GB201212923D0 GBGB1212923.5A GB201212923A GB201212923D0 GB 201212923 D0 GB201212923 D0 GB 201212923D0 GB 201212923 A GB201212923 A GB 201212923A GB 201212923 D0 GB201212923 D0 GB 201212923D0
Authority
GB
United Kingdom
Prior art keywords
heat
improved apparatus
conductive material
melting point
thermally conducting
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
GBGB1212923.5A
Other versions
GB2504133B (en
GB2504133A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aurora Ltd
Original Assignee
Aurora Ltd
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 Aurora Ltd filed Critical Aurora Ltd
Priority to GB1212923.5A priority Critical patent/GB2504133B/en
Publication of GB201212923D0 publication Critical patent/GB201212923D0/en
Priority to CN201380049260.1A priority patent/CN104641176B/en
Priority to PCT/GB2013/051933 priority patent/WO2014013265A1/en
Publication of GB2504133A publication Critical patent/GB2504133A/en
Application granted granted Critical
Publication of GB2504133B publication Critical patent/GB2504133B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/12—Flameproof or explosion-proof arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
    • F21V29/713—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements in direct thermal and mechanical contact of each other to form a single system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/89—Metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/15—Thermal insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2101/00—Point-like light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)

Abstract

A heat sink assembly for dissipating heat from an LED downlight comprises a first body 14 of heat conductive material having a melting point or decomposition point at or below 900°C, the first body having a first end, a second end and at least one sidewall; a second body 9 of heat conductive material having a melting point at or above 900°C, the second body having a first side and a second side; wherein the first side of the second body 9 is adapted to form a thermally conducting fit with the object 7 from which heat is to be dissipated, and the second side of the second body 9 is adapted to form a thermally conducting fit with the first end of the first body 14.
GB1212923.5A 2012-07-20 2012-07-20 Improved apparatus Expired - Fee Related GB2504133B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1212923.5A GB2504133B (en) 2012-07-20 2012-07-20 Improved apparatus
CN201380049260.1A CN104641176B (en) 2012-07-20 2013-07-19 The radiator improved
PCT/GB2013/051933 WO2014013265A1 (en) 2012-07-20 2013-07-19 Improved heat sink

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1212923.5A GB2504133B (en) 2012-07-20 2012-07-20 Improved apparatus

Publications (3)

Publication Number Publication Date
GB201212923D0 true GB201212923D0 (en) 2012-09-05
GB2504133A GB2504133A (en) 2014-01-22
GB2504133B GB2504133B (en) 2014-11-12

Family

ID=46881705

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1212923.5A Expired - Fee Related GB2504133B (en) 2012-07-20 2012-07-20 Improved apparatus

Country Status (3)

Country Link
CN (1) CN104641176B (en)
GB (1) GB2504133B (en)
WO (1) WO2014013265A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201316817D0 (en) * 2013-09-23 2013-11-06 Aurora Ltd Improvements in and relating to a lighting unit
US9853267B2 (en) 2014-02-03 2017-12-26 Ursatech Ltd. Intumescent battery housing
US9089726B1 (en) 2014-05-16 2015-07-28 Pyrophobic Systems, Ltd. Passthrough firestops
US9797563B2 (en) 2014-11-26 2017-10-24 Ursatech Ltd. Downlight firestop
US10704751B2 (en) 2014-11-26 2020-07-07 Ursatech Ltd. Downlight firestop
US9803845B2 (en) 2014-11-26 2017-10-31 Ursatech Ltd. Downlight firestop
GB2545242B (en) * 2015-12-10 2018-08-01 Aurora Ltd Improved downlight
GB2557957B (en) * 2016-12-20 2019-02-20 Integral Memory Plc A fire resistant recessable light unit
GB2561035B (en) * 2017-03-30 2021-06-23 Kinace Innovations Ltd LED lighting unit
US11794043B2 (en) 2019-12-10 2023-10-24 Ursatech Ltd. Ceiling fixture firestop

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201072101Y (en) * 2007-07-05 2008-06-11 武良举 Barrel-type fireproof lamp
WO2009006786A1 (en) * 2007-07-05 2009-01-15 Liangju Wu A fireproof lamp
GB0817817D0 (en) * 2008-09-29 2008-11-05 Cole Robert Light fitting
US8142057B2 (en) * 2009-05-19 2012-03-27 Schneider Electric USA, Inc. Recessed LED downlight
US20130034818A1 (en) * 2010-01-26 2013-02-07 Robertson Transformer Co. Passive Thermal Impedance Matching Using Common Materials

Also Published As

Publication number Publication date
CN104641176A (en) 2015-05-20
GB2504133B (en) 2014-11-12
CN104641176B (en) 2016-08-17
WO2014013265A1 (en) 2014-01-23
GB2504133A (en) 2014-01-22

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20161110 AND 20161116

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20190131 AND 20190206

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20230720