Invention Grant
- Patent Title: Devices, systems and methods for flux removal from furnace process gas
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Application No.: US17453395Application Date: 2021-11-03
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Publication No.: US11896926B2Publication Date: 2024-02-13
- Inventor: Paul Richter
- Applicant: BTU INTERNATIONAL, INC.
- Applicant Address: US MA No. Billerica
- Assignee: BTU International, Inc.
- Current Assignee: BTU International, Inc.
- Current Assignee Address: US MA No. Billerica
- Agency: Preti Flaherty Beliveau & Pachios LLP
- Main IPC: B01D47/06
- IPC: B01D47/06 ; B23K37/00 ; B01D45/08 ; B01D50/40 ; B23K1/008 ; B01D47/05 ; B03D1/02 ; B01D47/02

Abstract:
System and methods for solder flux removal from a gas stream is disclosed. In one aspect, the system includes: a scrubber chamber having a gas inlet and a gas outlet through which the gas stream is introduced into and withdrawn from the scrubber chamber; at least one rinse agent delivery mechanism for introducing a rinse agent into the scrubber chamber for contact with the gas stream, the rinse agent being at a temperature for condensing a first portion of the flux from the gas stream; a condenser portion of the scrubber chamber containing the rinse agent for receiving the gas stream, the rinse agent being at a temperature for condensing a second portion of the flux in the gas stream; and a condensed flux removal apparatus adapted for removal from the scrubber chamber of at least a portion of the rinse agent and the flux which has condensed.
Public/Granted literature
- US20220054970A1 DEVICES, SYSTEMS AND METHODS FOR FLUX REMOVAL FROM FURNACE PROCESS GAS Public/Granted day:2022-02-24
Information query