GB1373446A - Reflectors - Google Patents

Reflectors

Info

Publication number
GB1373446A
GB1373446A GB4941172A GB4941172A GB1373446A GB 1373446 A GB1373446 A GB 1373446A GB 4941172 A GB4941172 A GB 4941172A GB 4941172 A GB4941172 A GB 4941172A GB 1373446 A GB1373446 A GB 1373446A
Authority
GB
United Kingdom
Prior art keywords
reflectors
component
axis
reflector
common plane
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.)
Expired
Application number
GB4941172A
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.)
WORWAG H M DELTSCHAFT BERNHARD
Original Assignee
WORWAG H M DELTSCHAFT BERNHARD
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 WORWAG H M DELTSCHAFT BERNHARD filed Critical WORWAG H M DELTSCHAFT BERNHARD
Publication of GB1373446A publication Critical patent/GB1373446A/en
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
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/505—Cooling arrangements characterised by the adaptation for cooling of specific components of reflectors

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

1373446 Lamp reflectors H M WORWAG [trading as BERNHARD DELTSCHAFT] 26 Oct 1972 [13 Nov 1971] 49411/72 Heading F4R A reflector for floodlamps and similar intensive radiators comprises two component concave reflectors 2, 3 having a common optical axis and focal point, each component reflector extending through 180 degrees about the axis and having its edge disposed in a common plane containing the axis, the component reflectors being arranged on opposite sides of the plane and having different parameters so that a gap 5 for the circulation of cooling air is formed between the edges of the component reflectors in the common plane.
GB4941172A 1971-11-13 1972-10-26 Reflectors Expired GB1373446A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712156465 DE2156465A1 (en) 1971-11-13 1971-11-13 SELF-COOLING REFLECTOR

Publications (1)

Publication Number Publication Date
GB1373446A true GB1373446A (en) 1974-11-13

Family

ID=5825041

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4941172A Expired GB1373446A (en) 1971-11-13 1972-10-26 Reflectors

Country Status (2)

Country Link
DE (1) DE2156465A1 (en)
GB (1) GB1373446A (en)

Also Published As

Publication number Publication date
DE2156465A1 (en) 1973-05-17

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee