FR2361620A1 - Dispositif de nettoyage pour l'objectif d'un detecteur de temperature convenant en particulier pour un echangeur de chaleur recuperateur - Google Patents

Dispositif de nettoyage pour l'objectif d'un detecteur de temperature convenant en particulier pour un echangeur de chaleur recuperateur

Info

Publication number
FR2361620A1
FR2361620A1 FR7724811A FR7724811A FR2361620A1 FR 2361620 A1 FR2361620 A1 FR 2361620A1 FR 7724811 A FR7724811 A FR 7724811A FR 7724811 A FR7724811 A FR 7724811A FR 2361620 A1 FR2361620 A1 FR 2361620A1
Authority
FR
France
Prior art keywords
lens
objective
temperature detector
heat exchanger
cleaning device
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
FR7724811A
Other languages
English (en)
French (fr)
Other versions
FR2361620B1 (Direct
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.)
Svenska Rotor Maskiner AB
Original Assignee
Svenska Rotor Maskiner AB
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 Svenska Rotor Maskiner AB filed Critical Svenska Rotor Maskiner AB
Publication of FR2361620A1 publication Critical patent/FR2361620A1/fr
Application granted granted Critical
Publication of FR2361620B1 publication Critical patent/FR2361620B1/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D17/00—Regenerative heat-exchange apparatus in which a stationary intermediate heat-transfer medium or body is contacted successively by each heat-exchange medium, e.g. using granular particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Radiation Pyrometers (AREA)
  • Cleaning In General (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Lens Barrels (AREA)
  • Optical Measuring Cells (AREA)
FR7724811A 1976-08-13 1977-08-11 Dispositif de nettoyage pour l'objectif d'un detecteur de temperature convenant en particulier pour un echangeur de chaleur recuperateur Granted FR2361620A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/714,164 US4040473A (en) 1976-08-13 1976-08-13 Annular lens cleaner

Publications (2)

Publication Number Publication Date
FR2361620A1 true FR2361620A1 (fr) 1978-03-10
FR2361620B1 FR2361620B1 (Direct) 1983-10-14

Family

ID=24868979

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7724811A Granted FR2361620A1 (fr) 1976-08-13 1977-08-11 Dispositif de nettoyage pour l'objectif d'un detecteur de temperature convenant en particulier pour un echangeur de chaleur recuperateur

Country Status (9)

Country Link
US (1) US4040473A (Direct)
JP (1) JPS5324154A (Direct)
BR (1) BR7705279A (Direct)
CA (1) CA1062043A (Direct)
DE (1) DE2735610C2 (Direct)
FR (1) FR2361620A1 (Direct)
IN (1) IN146053B (Direct)
MX (1) MX4372E (Direct)
OA (1) OA05740A (Direct)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2905506A1 (de) * 1979-02-14 1980-09-04 Bosch Gmbh Robert Zuendbeginnsensor, insbesondere bei brennkraftmaschinen
US4383572A (en) * 1981-12-07 1983-05-17 The Air Preheater Company, Inc. Fire detection cleaning arrangement
US5762128A (en) * 1996-11-15 1998-06-09 Abb Air Preheater, Inc. On-line regenerative air preheater fouling sensing system
US7300630B2 (en) * 2002-09-27 2007-11-27 E. I. Du Pont De Nemours And Company System and method for cleaning in-process sensors
US8182613B2 (en) * 2009-08-04 2012-05-22 University Corporation For Atmospheric Research Radiometer including a cleaning system
CN103152025A (zh) * 2013-03-14 2013-06-12 镇江市欧菱电气自动化系统设备有限公司 具有自清洁功能的光电开关
CN103399451B (zh) * 2013-08-16 2015-09-16 深圳市帅映科技有限公司 一种激光投影机
EP2887330B1 (de) * 2013-12-17 2016-09-21 Minimax GmbH & Co KG Verfahren und Vorrichtung zum Reinigen eines optischen Eintrittsfensters eines Brandmelders
US12001014B2 (en) * 2019-12-11 2024-06-04 Caterpillar Global Mining Equipment Llc Dust mitigation for optical devices
CN112718702A (zh) * 2020-12-30 2021-04-30 中国科学院微电子研究所 可控微透镜阵列清洁装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB975497A (en) * 1963-09-13 1964-11-18 Temescal Metallurgical Corp High vacuum observation apparatus
US3662174A (en) * 1969-12-15 1972-05-09 Industrial Nucleonics Corp Nucleonic gauges having source window protector plates with compressed air wipe arrangements for use in oil spray environments
US3861458A (en) * 1973-06-04 1975-01-21 Air Preheater Multi-head infra-red ray detector
BE830896A (fr) * 1975-07-01 1976-01-02 Procede pour assurer et maintenir la proprete d'un orifice d'observation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4212208Y1 (Direct) * 1964-12-28 1967-07-10
US3476945A (en) * 1968-02-23 1969-11-04 Bailey Meter Co Flame detector for a multiple fuel-fired furnace
US3802967A (en) * 1971-08-27 1974-04-09 Rca Corp Iii-v compound on insulating substrate and its preparation and use
US3730259A (en) * 1972-03-02 1973-05-01 Air Preheater Hot-spot detector for heat exchanger

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB975497A (en) * 1963-09-13 1964-11-18 Temescal Metallurgical Corp High vacuum observation apparatus
US3662174A (en) * 1969-12-15 1972-05-09 Industrial Nucleonics Corp Nucleonic gauges having source window protector plates with compressed air wipe arrangements for use in oil spray environments
US3861458A (en) * 1973-06-04 1975-01-21 Air Preheater Multi-head infra-red ray detector
BE830896A (fr) * 1975-07-01 1976-01-02 Procede pour assurer et maintenir la proprete d'un orifice d'observation

Also Published As

Publication number Publication date
IN146053B (Direct) 1979-02-10
FR2361620B1 (Direct) 1983-10-14
DE2735610A1 (de) 1978-02-16
US4040473A (en) 1977-08-09
JPS568279B2 (Direct) 1981-02-23
MX4372E (es) 1982-04-19
OA05740A (fr) 1981-05-31
JPS5324154A (en) 1978-03-06
CA1062043A (en) 1979-09-11
DE2735610C2 (de) 1986-12-18
BR7705279A (pt) 1978-05-23

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Legal Events

Date Code Title Description
ER Errata listed in the french official journal (bopi)

Free format text: 15/78

ST Notification of lapse