Patent US3581470A successfully refreshed from Google Patents.
US3581470A
Expired / Lapsed
US
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Electronic air cleaning cell
Assignee: Emerson Electric Co
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Filing: 1969-12-30
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Granted: 1971-06-01
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Expires: 1989-12-30
Abstract
Abstract An electronic air cleaner having a series of alternate groups of parallel collecting plates, each group having spaced aligned predrawn holes and clearance holes and sections of metal tubes of equal length expanded and locked in precise position in the aligned drawn holes of each group and passing through the clearance holes of another group of collecting plates. The metal tubes are rigidly held between spaced parallel panels to equally space the groups of collecting plates therebetween and a means to maintain lateral alignment of the metal tubes is provided to maintain the alternate groups of collecting plates in position and equally spaced in parallel relation to each other. The metal tubes are preferably expanded to a nonround shape such as rifled or polysided to enhance engagement with the plates. The preferred end panel is conductive with spaced cutouts having overlying insulating plates with at least one tube aligning hole. The plate is loosely attached to the end panel to permit alignment of the holes with selected conductor tubes. Depressions are also provided in the panel for other selected tubes to permit engagement of the tube ends with the end panels in the same plane.
Inventors
- 👤 Paul Aitkenhead
- 👤 Ross Township
- 👤 Robert Ruhlman
- 👤 Lewis G Mcclintock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:20
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/34; B03C3/40; B03C3/45; B03C3/47; B03C3/86; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53113
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
28 words
The electronic air-cleaning collector cell of claim 1 which also includes a nonround expanded outer surface on said conductor tubes interlocked in their reshaped respective collector plate-mounting holes.
Claim 2
Dependent Claim
34 words
The electronic air-cleaning collector cell of claim 2 which also includes a bore of nonround configuration in said conductor tubes which formed said expanded conductor tube surfaces interlocking their reshaped respective collector plate-mounting holes.
Claim 3
Dependent Claim
33 words
The electronic air-cleaning collector cell of claim 3 which also includes a spiraled bore in said conductor tubes which expanded said conductor tube surfaces in their interlocked and reshaped respective collector plate-mounting holes.
Claim 4
Dependent Claim
37 words
The electronic air-cleaning collector cell of claim 2 including a nonround polygonal bore as said nonround bore in said conductor tubes which formed said expanded conductor tube surfaces in their interlocked and reshaped respective collector plate-mounting holes.
Claim 5
Dependent Claim
18 words
The electronic air-cleaning collector cell of claim 1 including selected of said conductor tubes of matched gauge length.
Claim 6
Dependent Claim
31 words
The electronic air-cleaning collector cell of claim 1 wherein all of said conductor tubes supporting said conductor plates are of equal length to space said conductor plates equally from each other.
Claim 7
Dependent Claim
62 words
The electronic air-cleaning cleaning collector cell of claim 1 including predrawn mounting holes in said interleaved collector plates each having a frustoconical section extending beyond the plane of its collecting plate, said expanded exterior surface of each conductor tube having changed the shape of said conical section to interlock with said predrawn mounting hole to retain said plates in uniform spaced relation.
Claim 8
Dependent Claim
111 words
An electronic air-cleaning collector cell including spaced opposed end panels with outward extending parallel flanges, a series of alternate parallel collecting plates each having aligned clearance and mounting holes, said mounting holes fixed on spaced and expanded conductor tubes of different polarity and of equal length with their ends against the inner faces of said opposed end panels, insulation means between said conductor tubes on said end panels carrying those tubes to receive a charge, and bolt means extending through said end panels and selected of said conductor tubes to clamp said end panels against said conductor tubes to support said series of collector plates for the width of said cell.
Claim 9
Dependent Claim
105 words
The structure of claim 9 including a unitary ionizing ground plate shaped to form upper and lower parallel bars with uniformly rearwardly struck equally spaced parallel ionizing electrodes therebetween, spaced insulators on each bar supporting opposed bus rods above and below the ends of said rearwardly struck ionizing electrodes and between which are suspended ionizing wires substantially centered between said ionizing electrodes, a flange extending rearwardly from the top and bottom marginal edges of said upper and lower bars of said ionizing ground plate, and the outer ends of said bars of said ionizing ground plate secured to the front flanges of said end panels.
Claim 10
Dependent Claim
242 words
An electronic air-cleaning cell including opposed spaced cell end panels with parallel edge flanges, a series of alternately disposed collector plates providing groups of different polarity and with spaced clearance and predrawn mounting holes, spaced and expanded conductor tubes of equal length with their ends abutting against the inner faces of said end panels, insulation means between said conductor tubes and said end panels to insulatingly support said conductor tubes of different polarity from each other, hole means in said end panels smaller than the outer diameter of said conductor tubes and aligned with the bores of said conductor tubes each to receive an aligning means, selected of said panel hole means and conductor tubes receiving bolt stems with their heads against the ouTer face of one panel and bolt fastening means against the outer surface of said other panel to secure said end panels in clamping engagement against the ends of said conductor tubes to equally space said collecting plates from each other and support them relative to said parallel flanges, a unitary ionizing ground plate having upper and lower parallel bars with rearwardly struck uniformly spaced parallel ionizing electrodes, spaced insulators on each bar carrying opposed bus rods above and below said ionizing electrodes, ionizing wires suspended between said bus rods and substantially centered between said ionizing electrodes to complete the ionizer, and the opposite ends of said ionizing ground plate bars secured to said parallel flanges of said panels.
Claim 11
Dependent Claim
43 words
The electronic air-cleaning cell of claim 11 which also includes a flange extending rearwardly from the top and bottom marginal edges of said upper and lower bars of said ionizing ground plate to overlie top and bottom parallel flanges on said end panels.
Claim 12
Dependent Claim
80 words
The electronic air-cleaning cell of claim 11 which also includes an opposed top and bottom having inturned marginal side flanges extended beyond the side flange of said end panels with the intermediate portion of the ends of said top and bottom secured to top and bottom marginal end flanges on said end panels to form opposed troughs on the up and down stream sides of said cell to receive mechanical filter screens and add to the rigidity of said cell.
Claim 13
Dependent Claim
38 words
The electronic air-cleaning cell of claim 11 which also includes end panels of insulating material with marginal side flanges, top and bottom cross angles secured to each of said end panels to provide top and bottom end flanges.
Claim 14
Dependent Claim
103 words
The electronic air-cleaning cell of claim 11 which also includes opposed upper cutouts in said end panels of metal and closed by overlying attached insulating plates for each upper charge-carrying tube, opposed lower cutouts in said end panels closed by lower attached insulating plates to receive the ends of said conductor tubes, said attached insulated plates loosely attached to said end panels to permit alignment of their aligning conductor tube holes with the bores of said conductor tubes, and independent depressions in said steel panels for selected grounded tubes to compensate for the cutout to equalize the spacing between said end panel surfaces.
Claim 15
Dependent Claim
35 words
The electronic air-cleaning cell of claim 15 which also includes a conductor strap means connecting said charged tubes on the outside of said lower insulating plates for lateral electrical cell connection to an energy source.
Claim 16
Dependent Claim
48 words
The electronic air-cleaning cell of claim 16 which also includes a conductor strap on each of said lower insulating plates connected to the adjacent end of said ionizing wire bus rod for lateral electrical end connection on either end panel side of said cell to an energy source.
Claim 17
Dependent Claim
92 words
An electronic air-cleaning cell end panel comprising a metal panel member having spaced cutouts, insulating plates overlying selected of said cutouts and having at least one aligning hole therethrough, and attachment means loosely securing said insulating plates to said end panel member to permit alignment of said holes with selected collecting plate conductor tubes, and depressions in said panel members for other selected collecting plate conductor tubes to compensate for the depth of said cutouts thereby permitting the ends of said tubes to engage said end panel in the same vertical plane.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |