Particulate sampling system and method

Details Particulate sampling system and method Particulate sampling system and method

2007-11-27

2007-11-27

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Simulating operating condition

Marine

C073S023310, C073S863010

Reexamination Certificate

active

11411088

ABSTRACT:
A method for controlling the flow through an exhaust sampling system includes sensing an operating characteristic of a power source, extracting a sample of an exhaust flow of the power source, combining the sample with an additional flow of fluid, and measuring a particulate level of the combined flow. A flow rate of the extracted sample is controlled to be substantially proportional to a flow rate of the exhaust flow based on a difference between the combined flow and the additional flow.

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