Inward opening oven intake for gas chromatographic oven

Details Inward opening oven intake for gas chromatographic oven Inward opening oven intake for gas chromatographic oven

2005-05-24

2005-05-24

Pelham, Joseph (Department: 3742)

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

C210S175000, C210S179000, C432S048000

Reexamination Certificate

active

06897412

ABSTRACT:
An inward opening oven intake for a gas chromatographic (GC) oven includes an inward opening intake flap that opens into the GC oven near the bottom of the GC oven. Opening at a flap angle, the inward opening intake flap creates a low-pressure region to draw a large amount of airflow into the GC oven during cool-down. In addition, the inward opening oven intake manipulates the airflow within the GC oven to more efficiently draw heat away from the oven walls. This greater efficiency allows for faster cycle time and higher sample throughput.

REFERENCES:
patent: 3958552 (1976-05-01), Lawler
patent: 4181613 (1980-01-01), Welsh et al.
patent: 4420679 (1983-12-01), Howe
patent: 4752216 (1988-06-01), Hurrell
patent: 5744029 (1998-04-01), Li et al.
patent: 2002-14087 (2002-01-01), None

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