Filtering apparatus

Details Filtering apparatus Filtering apparatus

2006-03-21

2006-03-21

Pham, Minh-Chau T. (Department: 1724)

Gas separation

Combined or convertible

C096S422000, C096S377000, C096S420000, C096S421000, C219S201000, C219S388000, C219S522000, C219S526000, C228S019000, C228S042000

Reexamination Certificate

active

07014673

ABSTRACT:
A filtering apparatus for a reflow oven includes a contaminated-gas inlet for receiving contaminated gas from a reflow oven; a filtering device configured to filter the received contaminated gas; a returned gas outlet for returning filtered gas to the reflow oven; a gas removal arrangement for allowing gas to escape from the apparatus; and a control arrangement for controlling the rate of gas flow through the gas removal arrangement such that in use the flow rate of contaminated gas flowing from a hotter region of the reflow oven to a cooler region of the reflow oven is controlled.

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