NL7012043A - - Google Patents

Info

Publication number
NL7012043A
NL7012043A NL7012043A NL7012043A NL7012043A NL 7012043 A NL7012043 A NL 7012043A NL 7012043 A NL7012043 A NL 7012043A NL 7012043 A NL7012043 A NL 7012043A NL 7012043 A NL7012043 A NL 7012043A
Authority
NL
Netherlands
Application number
NL7012043A
Other versions
NL161870B (nl
NL161870C (nl
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 filed Critical
Publication of NL7012043A publication Critical patent/NL7012043A/xx
Publication of NL161870B publication Critical patent/NL161870B/xx
Application granted granted Critical
Publication of NL161870C publication Critical patent/NL161870C/xx

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
NL7012043.A 1969-08-15 1970-08-14 Lichtdetector, geschikt voor het signaleren van vlamdoving in branders. NL161870C (nl)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NL7012043A true NL7012043A (de) 1971-02-17
NL161870B NL161870B (nl) 1979-10-15
NL161870C NL161870C (nl) 1980-03-17

Family

ID=25308612

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7012043.A NL161870C (nl) 1969-08-15 1970-08-14 Lichtdetector, geschikt voor het signaleren van vlamdoving in branders.

Country Status (5)

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

Families Citing this family (9)

* 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
FR2394757A1 (fr) * 1977-06-17 1979-01-12 Forney International Perfectionnements aux detecteurs de flamme
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

Also Published As

Publication number Publication date
DE2040587A1 (de) 1971-05-27
DE2040587B2 (de) 1979-08-23
GB1315357A (en) 1973-05-02
FR2058100A5 (de) 1971-05-21
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
V1 Lapsed because of non-payment of the annual fee
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: FORNEY INT