FR2058100A5 - - Google Patents

Info

Publication number
FR2058100A5
FR2058100A5 FR7030035A FR7030035A FR2058100A5 FR 2058100 A5 FR2058100 A5 FR 2058100A5 FR 7030035 A FR7030035 A FR 7030035A FR 7030035 A FR7030035 A FR 7030035A FR 2058100 A5 FR2058100 A5 FR 2058100A5
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.)
Expired
Application number
FR7030035A
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.)
Forney International Inc
Original Assignee
Forney International 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 Forney International Inc filed Critical Forney International Inc
Application granted granted Critical
Publication of FR2058100A5 publication Critical patent/FR2058100A5/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/08—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2229/00—Flame sensors
    • F23N2229/06—Flame sensors with periodical shutters; Modulation signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Control Of Combustion (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
FR7030035A 1969-08-15 1970-08-14 Expired FR2058100A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85060369A 1969-08-15 1969-08-15

Publications (1)

Publication Number Publication Date
FR2058100A5 true FR2058100A5 (fr) 1971-05-21

Family

ID=25308612

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7030035A Expired FR2058100A5 (fr) 1969-08-15 1970-08-14

Country Status (5)

Country Link
US (1) US3609382A (fr)
DE (1) DE2040587C3 (fr)
FR (1) FR2058100A5 (fr)
GB (1) GB1315357A (fr)
NL (1) NL161870C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394757A1 (fr) * 1977-06-17 1979-01-12 Forney International Perfectionnements aux detecteurs de flamme

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3737663A (en) * 1972-03-15 1973-06-05 G Quittner Radiation path termination housing
US3825913A (en) * 1972-03-31 1974-07-23 Electronics Corp America Fuel burner supervisory system
GB1506043A (en) * 1974-05-28 1978-04-05 Bosch Gmbh Robert Gas opacimeters
IT1017844B (it) * 1974-08-02 1977-08-10 Sie Soc It Elettronica Otturatore ottico per la verifica del funzionamento di rivelatori di fiamma
US4011448A (en) * 1975-08-08 1977-03-08 Hordeski Michael F Linear shaft encoder
IT1056742B (it) * 1975-11-27 1982-02-20 S I E Otturatore ottico per la verifica del funzionamento di rivelatori di fiamma
FR2666138B1 (fr) * 1990-08-24 1992-12-11 Pillard Chauffage Detecteur de flamme d'un bruleur.
US5495112A (en) * 1994-12-19 1996-02-27 Elsag International N.V. Flame detector self diagnostic system employing a modulated optical signal in composite with a flame detection signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394757A1 (fr) * 1977-06-17 1979-01-12 Forney International Perfectionnements aux detecteurs de flamme

Also Published As

Publication number Publication date
DE2040587A1 (de) 1971-05-27
DE2040587B2 (de) 1979-08-23
GB1315357A (en) 1973-05-02
NL7012043A (fr) 1971-02-17
NL161870B (nl) 1979-10-15
US3609382A (en) 1971-09-28
DE2040587C3 (de) 1980-04-24
NL161870C (nl) 1980-03-17

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Legal Events

Date Code Title Description
ST Notification of lapse