[특허]System for measuring engine exhaust constituents

System for measuring engine exhaust constituents 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01M-015/00
출원번호	US-0633925 (1990-12-26)
발명자 / 주소	Carduner Keith R. (Dearborn MI) Colvin Alex D. (Oak Park MI) Leong Dick Y. W. (Bloomfield Hills MI)
출원인 / 주소	Ford Motor Company (Dearborn MI 02)
인용정보	피인용 횟수 : 22 인용 특허 : 0

초록 ▼

A system for measuring an automotive engine exhaust constituent includes a meter for measuring the mass of air flowing through the engine and for generating a flow signal corresponding to the airflow, and a sample handling apparatus for separating a fraction of the exhaust flowing through the engine and for conducting the exhaust fraction to an analyzer. The system further includes diluent adding means for doping the extracted exhaust fraction with a diluent gas upstream of the analyzer and a processor for receiving the mass flow signal from the engine mass flow meter and for operating the diluent adding device in response to the flow signal. The processor operates the diluent valve such that the flow rate of exhaust gas into the analyzer remains a relatively constant fraction of the total exhaust flowing from the engine.

대표청구항 ▼

A system for measuring an automotive engine exhaust constituent, comprising: a meter for determining the mass of air flowing through said engine and for generating an engine airflow signal corresponding to said airflow; sample handling apparatus for separating a relatively constant fraction of the exhaust flowing from the engine and for conducting said exhaust fraction to an analyzer; diluent adding means for doping said exhaust fraction with a diluent gas upstream of said analyzer; and processor means for receiving said flow signal and for operating said diluent adding means in response to said flow signal. A method for using an analyzer to determine the amount of lubricating oil consumed by an automotive engine, comprising the steps of: a) determining the amount of sulfur dioxide within the room air being drawn into said engine; b) maintaining a constant total flow comprised of a constant fraction of the engine\s exhaust gas and a diluent gas through said analyzer, while: 1) determining the amount of sulfur dioxide contained within the engine\s exhaust, while adding a known quantity of sulfur dioxide to the engine\s intake air supply while the engine is operating; and while 2) determining the amount of sulfur dioxide contained within the engine\s exhaust, while operating the engine on room air; c) determining an efficiency factor for said analyzer by comparing the amounts of sulfur dioxide determined in steps c and d; and d) using said efficiency factor and the concentration of sulfur in the engine oil and the amounts of sulfur dioxide determined in steps a and d to determine the amount of lubricating oil leaving the engine through its exhaust.

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Dickson,Richard R.; Graze, Jr.,Russell R., Exhaust gas particulate measuring system.
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Zarchy Richard R. (Crystal Lake IL), Method and apparatus for performing modal mass analysis of exhaust gas from motor vehicle.
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Cocconi Alan G., Method and apparatus for vehicle exhaust gas pollutant mass flow measurement.
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DiDomenico,John; Rendahl,Craig S.; Johnson,James, Remote emissions sensing system with improved NOdetection.
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Stedman, Donald Hugh; Bishop, Gary Allen, System and method for remote analysis of small engine vehicle emissions.
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Silvis William M., System for controlling flow of a diluted sample and determining pollutants based on water content in engine exhaust emis.
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Peterson, Jay; Nelson, David R; Bahan, Troy P.; Polchin, George C.; Jack, Michael D., Unmanned integrated optical remote emissions sensor (RES) for motor vehicles.
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Peterson, Jay; Nelson, David R; Bahan, Troy P.; Polchin, George C.; Jack, Michael D., Unmanned integrated optical remote emissions sensor (RES) for motor vehicles.
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Gideon Eden, Vehicle mass emission measurement.
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Tripathi Pradeep R. ; Eden Gideon ; Soenen Donald M. ; Ensfield Carl D. ; Ryan Harold M. ; Zummer Robert K., Vehicle mass emission measurement.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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System for measuring engine exhaust constituents 원문보기

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System for measuring engine exhaust constituents 원문보기

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이 특허를 인용한 특허 (22)

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