Supersonic jet ionizer

Details Supersonic jet ionizer Supersonic jet ionizer

1980-03-27

1982-07-13

Nozick, Bernard

Electricity: electrical systems and devices

Electric charging of objects or materials

By charged gas irradiation

55131, 55138, 55152, H01H14332, B03C 300

Patent

active

043397824

ABSTRACT:
A supersonic jet ionizer (10) comprises dielectric structure defining a chamber (30) for receiving pressurized gas and a convergent-divergent nozzle (31) for causing the gas to issue from the chamber (30) in a jet at supersonic velocity. A high-voltage electrode tip (51) and a grounded metallic ring (60) are mounted in a diverging region (41) of the nozzle (31) so that a corona can be maintained in the diverging region (41). Ions formed in the corona are swept out of the nozzle (31) by the supersonic gas jet. The supersonic jet ionizer (10) can be utilized as a particulate charging means in a system (75) for filtering charged particulates from a particulate-laden gas stream.

REFERENCES:
patent: 1442052 (1923-01-01), Dane
patent: 2822058 (1958-02-01), Roos
patent: 3317790 (1967-05-01), Whitby
patent: 3400513 (1968-09-01), Boll
patent: 3757491 (1973-09-01), Gourdine
patent: 4039145 (1977-08-01), Felici et al.

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