[특허]Apparatus for remote analysis of vehicle emissions

Apparatus for remote analysis of vehicle emissions 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01N-021/00
출원번호	US-0633952 (1990-12-26)
발명자 / 주소	Bishop Gary (Louisville CO) Stedman Donald H. (Englewood CO)
출원인 / 주소	Colorado Seminary (Denver CO 02)
인용정보	피인용 횟수 : 73 인용 특허 : 0

초록 ▼

A gas analysis device for the remote detecting, measuring and recording of NOx, CO, CO2, HC and H2O levels from the exhaust of moving motor vehicles. It utilizes a source of collimated infrared and ultraviolet radiation and includes a mechanism for receiving and measuring the infrared and ultraviolet radiation from its source, and another mechanism for measuring background infrared and ultraviolet radiation levels in the ambient atmosphere. The receiving mechanism splits the combined infrared and ultraviolet radiation into separate infrared and ultraviolet beams. A mechanism receives the separate ultraviolet beam and generates a signal indicative of NOx. Another mechanism splits the infrared beam into two to four components, and devices are positioned for receiving each of the infrared components and generating two to four signals indicative of, for example, CO, CO2, HC and H2O. Another associated mechanism then computes and produces signals indicative of the amount of CO, CO2, HC, NOx and H2O in the path of the infrared and ultraviolet radiation from the source, thereby making it capable of measuring emissions of vehicles. The source and the receiving mechanism are aligned on opposite sides of a roadway, both being at the elevation of the to-be-measured vehicle exhaust. Vehicles traveling on that roadway and passing through the radiation emanating from the source interrupt reception of the beam by the detector, thereby initiating a detection sequence. In one embodiment a visual recording device is positioned for visually recording the vehicle and test results.

대표청구항 ▼

A gas analysis device for detecting and measuring levels of gases in the exhaust of moving motor vehicles in the ambient atmosphere selected from the group consisting of carbon monoxide, carbon dioxide, hydrocarbons, nitrogen oxides and water vapor levels, said device comprising: a. source means for producing collimated infrared and ultraviolet radiation and transmitting such radiation through a portion of said motor vehicle exhaust; b. means for splitting said infrared and ultra-violet radiation into separate infrared and ultraviolet beams; c. means for receiving said ultraviolet beam and generating a first electrical signal indicative of the absorption of ultraviolet radiation by nitrogen oxides in said exhaust; d. means for splitting said infrared beam into at least two separate infrared beam components; e. means for receiving a first infrared beam component and generating a second electrical signal indicative of the absorption of said infrared beam by carbon dioxide in said exhaust; f. means for receiving a second infrared beam component and generating at least a third electrical signal therefrom indicative of the absorption of said infrared beam by gases in said exhaust selected from the group consisting of carbon monoxide, hydrocarbons and water vapor; and g. means responsive to said electrical signals for computing and producing output signals indicative of the amount of gases selected from the group consisting of carbon monoxide, hydrocarbons and water in the path of said collimated infrared and ultraviolet radiation in said exhaust.

이 특허를 인용한 특허 (73)

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Quinn Stephen Joseph (91 Breckonwood Cr. Thornhill ; Ontario CAX L3T 5G8 ), Method and apparatus for testing preconditioned vehicle exhaust emission.
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DiDomenico,John; Kyle,Paul F., Method and system for video capture of vehicle information.
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Sachse, Glenn W., Method for balancing detector output to a desired level of balance at a frequency.
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Book Jeffrey J., Method for graphically displaying vehicle test data.
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Morris, Jonathan M.; Zeng, Yousheng, Methods and systems for detecting a chemical species.
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Zeng, Yousheng; Morris, Jonathan M.; Abdelmoati, Hazem M., Methods and systems for detecting a chemical species.
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Zeng, Yousheng; Morris, Jonathan M.; Abdelmoati, Hazem M., Methods for differential image quality enhancement for a multiple detector system, systems and use thereof.
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DiDomenico, John; Gentala, Robert A.; Rendahl, Craig S., Optical path structure for open path emissions sensing.
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Jack Michael D. (Goleta CA) Stephens Robert D. (Sterling Heights MI) Tacelli Christopher B. (Goleta CA) Nelson David R. (Santa Barbara CA) Walter Geoffrey A. (Goleta CA) Santana Jose A. (Goleta CA) R, Optical sensing apparatus for remotely measuring exhaust gas composition of moving motor vehicles.
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Didomenico, John; Rendahl, Craig S., Remote emissions sensing system and method with a composite beam of IR and UV radiation that is not split for detection.
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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

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연합인증

Apparatus for remote analysis of vehicle emissions 원문보기

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Apparatus for remote analysis of vehicle emissions 원문보기

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연구과제 타임라인

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