FR2163772A1 - - Google Patents

Info

Publication number
FR2163772A1
FR2163772A1 FR7245341A FR7245341A FR2163772A1 FR 2163772 A1 FR2163772 A1 FR 2163772A1 FR 7245341 A FR7245341 A FR 7245341A FR 7245341 A FR7245341 A FR 7245341A FR 2163772 A1 FR2163772 A1 FR 2163772A1
Authority
FR
France
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
FR7245341A
Other languages
French (fr)
Other versions
FR2163772B1 (de
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.)
Howorth Air Conditioning Ltd
Original Assignee
Howorth Air Conditioning 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 Howorth Air Conditioning Ltd filed Critical Howorth Air Conditioning Ltd
Publication of FR2163772A1 publication Critical patent/FR2163772A1/fr
Application granted granted Critical
Publication of FR2163772B1 publication Critical patent/FR2163772B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • 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
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F21V29/677—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for discharging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/20—Lighting for medical use
    • F21W2131/205—Lighting for medical use for operating theatres

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
FR7245341A 1971-12-15 1972-12-14 Expired FR2163772B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5815271 1971-12-15

Publications (2)

Publication Number Publication Date
FR2163772A1 true FR2163772A1 (de) 1973-07-27
FR2163772B1 FR2163772B1 (de) 1977-02-04

Family

ID=10480885

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7245341A Expired FR2163772B1 (de) 1971-12-15 1972-12-14

Country Status (5)

Country Link
CH (1) CH560865A5 (de)
DE (1) DE2261059A1 (de)
FR (1) FR2163772B1 (de)
GB (1) GB1355826A (de)
IT (1) IT986893B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111928168B (zh) * 2020-09-08 2024-09-06 云清(深圳)空气技术集团有限公司 一种低温升无影灯及其降温方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
GB1355826A (en) 1974-06-05
DE2261059A1 (de) 1973-06-20
IT986893B (it) 1975-01-30
FR2163772B1 (de) 1977-02-04
CH560865A5 (de) 1975-04-15

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse