System and method for quantifying the presence of components in the exhaust of commercial and/or heavy-duty vehicles
First Claim
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1. A system, positioned at a site along a roadway, for determining the concentration of one or more constituents present in a sample of exhaust emissions emitted by a vehicle traveling on the roadway, the system comprising:
- a component detection system;
a collector operatively coupled to the component detection system, wherein the collector is positioned above the surface of the roadway and oriented in a direction parallel to a direction of travel of the roadway, and has one or more openings for receiving the exhaust emissions of the vehicle to be analyzed by the component detection system;
a gathering structure having one or more surfaces positioned to direct the exhaust emissions of the vehicle to be analyzed by the component detection system to the one or more openings of the collector prior to measurement by the component detection system; and
wherein the component detection system is configured to receive a sample of the exhaust emissions of the vehicle via the collector, and to determine the concentration of one or more constituents present in the sample of exhaust emissions.
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Abstract
A system and/or method for quantifying the presence of one or more components in vehicle exhaust, and more particularly to a non-contact, extractive sampling system and method for quantifying the presence of one or more components in exhaust emissions of commercial and/or heavy-duty vehicles that emit exhaust at an elevated level, under actual operating conditions.
69 Citations
42 Claims
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1. A system, positioned at a site along a roadway, for determining the concentration of one or more constituents present in a sample of exhaust emissions emitted by a vehicle traveling on the roadway, the system comprising:
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a component detection system; a collector operatively coupled to the component detection system, wherein the collector is positioned above the surface of the roadway and oriented in a direction parallel to a direction of travel of the roadway, and has one or more openings for receiving the exhaust emissions of the vehicle to be analyzed by the component detection system; a gathering structure having one or more surfaces positioned to direct the exhaust emissions of the vehicle to be analyzed by the component detection system to the one or more openings of the collector prior to measurement by the component detection system; and wherein the component detection system is configured to receive a sample of the exhaust emissions of the vehicle via the collector, and to determine the concentration of one or more constituents present in the sample of exhaust emissions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A method of determining the concentration of one or more constituents present in a sample of exhaust emissions emitted by a vehicle traveling on a roadway, the method comprising:
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positioning a collector above the surface of the roadway and oriented in a direction parallel to a direction of travel of the roadway, the collector having one or more openings for receiving vehicle exhaust emissions to be analyzed by a component detection system that is operatively connected to the collector; directing the exhaust emissions of the vehicle to be analyzed by the component detection system to the one or more openings of the collector prior to measurement by the component detection system via one or more surfaces of a gathering structure; drawing a sample of exhaust emissions received in the one or more openings of the collector to the component detection system via suction; and determining the concentration of one or more constituents present in the sample of exhaust emissions of the vehicle via the component detection system. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
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Specification