DE3676221D1 - Optische staubnachweisvorrichtung. - Google Patents

Optische staubnachweisvorrichtung.

Info

Publication number
DE3676221D1
DE3676221D1 DE8686303322T DE3676221T DE3676221D1 DE 3676221 D1 DE3676221 D1 DE 3676221D1 DE 8686303322 T DE8686303322 T DE 8686303322T DE 3676221 T DE3676221 T DE 3676221T DE 3676221 D1 DE3676221 D1 DE 3676221D1
Authority
DE
Germany
Prior art keywords
dust detector
optical dust
optical
detector
dust
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 - Lifetime
Application number
DE8686303322T
Other languages
English (en)
Inventor
Fumiaki Fujie
Tetsuro Adachi
Fukui-Tomonori Fukui-Tomonori
Noboru Oyama
Yukiyasu Ueno
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.)
Denso Corp
Original Assignee
NipponDenso Co 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
Priority claimed from JP9476585A external-priority patent/JPS61253445A/ja
Priority claimed from JP60193324A external-priority patent/JPS6252439A/ja
Application filed by NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Application granted granted Critical
Publication of DE3676221D1 publication Critical patent/DE3676221D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
DE8686303322T 1985-05-01 1986-05-01 Optische staubnachweisvorrichtung. Expired - Lifetime DE3676221D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9476585A JPS61253445A (ja) 1985-05-01 1985-05-01 車両用粉塵センサ
JP60193324A JPS6252439A (ja) 1985-09-02 1985-09-02 車両用光学式検出装置

Publications (1)

Publication Number Publication Date
DE3676221D1 true DE3676221D1 (de) 1991-01-31

Family

ID=26436001

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686303322T Expired - Lifetime DE3676221D1 (de) 1985-05-01 1986-05-01 Optische staubnachweisvorrichtung.

Country Status (3)

Country Link
US (1) US4748336A (de)
EP (1) EP0200553B1 (de)
DE (1) DE3676221D1 (de)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
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US4825094A (en) * 1988-02-04 1989-04-25 High Yield Technology Real time particle fallout monitor with tubular structure
KR910006887B1 (ko) * 1988-06-15 1991-09-10 마쯔시다덴기산교 가부시기가이샤 전기소제기의 쓰레기 검지장치
US5252828A (en) * 1992-04-07 1993-10-12 Hughes Aircraft Company Mobile exhaust tracking system
US5412221A (en) * 1994-04-26 1995-05-02 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Particle fallout/activity sensor
US5852398A (en) * 1998-03-13 1998-12-22 Norman Leon Helman Apparatus for indicating failure of an air filtration system in a diesel engine
ES2160471B1 (es) * 1999-01-22 2002-09-16 Payper Sa Perfeccionamientos en el grupo de salida de maquinas ensacadoras.
US8412377B2 (en) 2000-01-24 2013-04-02 Irobot Corporation Obstacle following sensor scheme for a mobile robot
US8788092B2 (en) 2000-01-24 2014-07-22 Irobot Corporation Obstacle following sensor scheme for a mobile robot
US6956348B2 (en) * 2004-01-28 2005-10-18 Irobot Corporation Debris sensor for cleaning apparatus
US6690134B1 (en) 2001-01-24 2004-02-10 Irobot Corporation Method and system for robot localization and confinement
US7571511B2 (en) 2002-01-03 2009-08-11 Irobot Corporation Autonomous floor-cleaning robot
US8396592B2 (en) 2001-06-12 2013-03-12 Irobot Corporation Method and system for multi-mode coverage for an autonomous robot
US7429843B2 (en) 2001-06-12 2008-09-30 Irobot Corporation Method and system for multi-mode coverage for an autonomous robot
US9128486B2 (en) 2002-01-24 2015-09-08 Irobot Corporation Navigational control system for a robotic device
US8386081B2 (en) 2002-09-13 2013-02-26 Irobot Corporation Navigational control system for a robotic device
US8428778B2 (en) 2002-09-13 2013-04-23 Irobot Corporation Navigational control system for a robotic device
JP3917096B2 (ja) * 2003-03-25 2007-05-23 シャープ株式会社 光電式ほこりセンサ
US7332890B2 (en) 2004-01-21 2008-02-19 Irobot Corporation Autonomous robot auto-docking and energy management systems and methods
US7720554B2 (en) 2004-03-29 2010-05-18 Evolution Robotics, Inc. Methods and apparatus for position estimation using reflected light sources
WO2006002385A1 (en) 2004-06-24 2006-01-05 Irobot Corporation Programming and diagnostic tool for a mobile robot
US7706917B1 (en) 2004-07-07 2010-04-27 Irobot Corporation Celestial navigation system for an autonomous robot
US8972052B2 (en) 2004-07-07 2015-03-03 Irobot Corporation Celestial navigation system for an autonomous vehicle
US7620476B2 (en) 2005-02-18 2009-11-17 Irobot Corporation Autonomous surface cleaning robot for dry cleaning
ES2346343T3 (es) 2005-02-18 2010-10-14 Irobot Corporation Robot autonomo de limpieza de superficies para una limpieza en seco y en mojado.
US8392021B2 (en) 2005-02-18 2013-03-05 Irobot Corporation Autonomous surface cleaning robot for wet cleaning
US8930023B2 (en) 2009-11-06 2015-01-06 Irobot Corporation Localization by learning of wave-signal distributions
ES2522926T3 (es) 2005-12-02 2014-11-19 Irobot Corporation Robot Autónomo de Cubrimiento
US7441298B2 (en) 2005-12-02 2008-10-28 Irobot Corporation Coverage robot mobility
EP2816434A3 (de) 2005-12-02 2015-01-28 iRobot Corporation Roboter mit autonomem Wirkungsbereich
ES2413862T3 (es) 2005-12-02 2013-07-17 Irobot Corporation Robot modular
EP2544066B1 (de) 2005-12-02 2018-10-17 iRobot Corporation Robotersystem
US8087117B2 (en) 2006-05-19 2012-01-03 Irobot Corporation Cleaning robot roller processing
US8417383B2 (en) 2006-05-31 2013-04-09 Irobot Corporation Detecting robot stasis
KR101458752B1 (ko) 2007-05-09 2014-11-05 아이로보트 코퍼레이션 소형 자율 커버리지 로봇
JP5027735B2 (ja) * 2007-05-25 2012-09-19 サッポロビール株式会社 発泡性アルコール飲料の製造方法
JP5647269B2 (ja) 2010-02-16 2014-12-24 アイロボット コーポレイション 掃除機ブラシ
US10668414B2 (en) 2014-07-23 2020-06-02 Cummins Filtration Ip, Inc. Intake bypass flow management systems and methods
FR3035511A1 (fr) * 2015-04-24 2016-10-28 Peugeot Citroen Automobiles Sa Dispositif d’analyse optique de la qualite de l’air circulant dans une installation de chauffage/ climatisation de vehicule
US11470766B2 (en) 2019-10-31 2022-10-18 Deere & Company Device and method for detecting objects passing through a passageway
US11493426B2 (en) 2019-10-31 2022-11-08 Deere & Company Device and method for adjusting a signal for an object detector
US11187688B2 (en) 2019-11-18 2021-11-30 Gm Cruise Holdings Llc Systems and methods to track cleanliness of vehicle exterior and reduce operating expenses

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3313946A (en) * 1962-11-30 1967-04-11 Goodwin Smoke, flame, critical temperature and rate of temperature rise detector
US3659278A (en) * 1970-04-15 1972-04-25 Jensen Ind Inc Fire and smoke alarm device
ES403465A1 (es) * 1971-05-26 1975-05-01 Tecneco Spa Perfeccionamientos en dispositivos medidores de la opacidadde fluidos, particularmente de humos.
GB1478124A (en) * 1973-08-31 1977-06-29 Emi Ltd Apparatus for examining bodies by means of penetrating radiation
SU679904A1 (ru) * 1978-02-09 1979-08-15 Государственное Специальное Конструкторское Бюро Теплофизического Приборостроения Счетчик лед ных дер
SU673890A2 (ru) * 1978-02-13 1979-07-18 Институт Газа Ан Украинской Сср Устройство дл исследовани пылевоздушной смеси
US4662758A (en) * 1983-05-18 1987-05-05 Nippondenso Co., Ltd. Optical detector assembly

Also Published As

Publication number Publication date
US4748336A (en) 1988-05-31
EP0200553A3 (en) 1988-01-13
EP0200553B1 (de) 1990-12-19
EP0200553A2 (de) 1986-11-05

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee