Measuring and testing – Sampler – sample handling – etc. – Withdrawing through conduit or receptacle wall
Reexamination Certificate
2006-02-14
2009-06-23
Williams, Hezron (Department: 2856)
Measuring and testing
Sampler, sample handling, etc.
Withdrawing through conduit or receptacle wall
C073S863830, C073S023310, C073S865500
Reexamination Certificate
active
07549350
ABSTRACT:
A dilution tunnel having a flow chamber structure with an inlet, an outlet, and an internal flow passage for a sample gas, the sample gas being adapted to flow in a flow direction between the inlet and the outlet. The flow chamber structure having a plurality of pores that communicate between an outside region external of the flow chamber structure and the internal flow passage. The pores are adapted to introduce a diluting gas from the outside region into the internal flow passage. The flow chamber structure is adapted to provide a diluting rate of the dilution tunnel that varies in the flow direction of the dilution tunnel.
REFERENCES:
patent: 3771960 (1973-11-01), Kim et al.
patent: 3965749 (1976-06-01), Hadden et al.
patent: 4898190 (1990-02-01), Deal
patent: 5058440 (1991-10-01), Graze, Jr.
patent: 5083422 (1992-01-01), Vogt
patent: 5106240 (1992-04-01), Dirkse et al.
patent: 5220795 (1993-06-01), Dodds et al.
patent: 5239818 (1993-08-01), Stickles et al.
patent: 5410907 (1995-05-01), Strom et al.
patent: 6021678 (2000-02-01), Vardiman et al.
patent: 6260359 (2001-07-01), Monty et al.
patent: 6481299 (2002-11-01), Silvis et al.
patent: 7044009 (2006-05-01), Graze, Jr.
patent: 2003/0205096 (2003-11-01), Gehner et al.
patent: 2003/0232449 (2003-12-01), Mikkanen et al.
patent: 57016333 (1982-01-01), None
patent: 366898 (2003-01-01), None
Caterpillar Inc.
Fayyaz Nashmiya S.
Finnegan Henderson Farabow Garrett & Dunner
Williams Hezron
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