US4504446A — Ozone generator

Claim 1

Independent Claim 122 words

A gas-cooled ozone generator having paired tubular concentric electrodes and a solid dielectric disposed therebetween, characterized in that the outer electrode is provided with cooling flanges and spaced from the dielectric such that an annular gap is formed, that the axial ends of said gap are sealed by annular spacers, that the dielectric and the inner electrode have open ends to allow throughflow of cooling gas, and that cooling of the dielectric and of the inner electrode is effected by means of at least one expandable body which is disposed inside the inner electrode, against which the body abuts, and which is open to throughflow of cooling gas, said body comprising a sheet formed into a cylinder with two inwardly directed flanges.

Claim 2

Dependent Claim 122 words

A gas-cooled ozone generator having paired tubular concentric electrodes and a solid dielectric disposed therebetween, characterized in that the outer electrode is provided with cooling flanges and spaced from the dielectric such that an annular gap is formed, that the axial ends of said gap are sealed by annular spacers, that the dielectric and the inner electrode have open ends to allow throughflow of cooling gas, and that cooling of the dielectric and of the inner electrode is effected by means of at least one expandable body which is disposed inside the inner electrode, against which the body abuts, and which is open to throughflow of cooling gas, said body comprising a sheet formed into a cylinder with two inwardly directed flanges.

Claim 3

Dependent Claim 31 words

Ozone generator as claimed in claim 1, in which the body abutting against the inner electrode further serves as an electric connection for connecting the inner electrode to a voltage source.

Claim 4

Dependent Claim 21 words

Ozone generator as claimed in claim 1, in which the body is comprised of a light weight metal or metal alloy.

Claim 5

Dependent Claim 13 words

Ozone generator as claimed in claim 3, in which the body is aluminum.

Claim 6

Dependent Claim 30 words

Ozone generator as claimed in claim 1, in which the outer electrode is provided with cooling flanges arranged substantially at an angle to the longitudinal axis of the ozone generator.

Claim 7

Dependent Claim 15 words

Ozone generator as claimed in claim 5, in which the cooling flanges are discoid shaped.

Claim 8

Dependent Claim 51 words

Ozone generator as claimed in claim 5, in which each cooling flange has a central opening of a diameter corresponding to the outer diameter of the outer electrode, and a collar surrounding the central opening and bearing on the outer electrode outside of an electric discharge space of the ozone generator.

Claim 9

Dependent Claim 26 words

Ozone generator as claimed in claim 5, in which the cooling flanges are arranged substantially at right angles to the longitudinal axis of the ozone generator.

Claim 10

Dependent Claim 16 words

Ozone generator as claimed in claim 4, in which the cooling flanges have inwardly directed recesses.

Claim 11

Dependent Claim 22 words

Ozone generator as claimed in claim 4, in which the cooling flanges are comprised of light weight metal or an alloy thereof.

Claim 12

Dependent Claim 26 words

Ozone generator as claimed in claim 1, in which the inner electrode is formed by depositing a metal coating on the inner side of the dielectric.

Claim 13

Dependent Claim 26 words

Ozone generator as claimed in claim 1, in which the dielectric is formed by depositing a dielectric coating on the outer side of the inner electrode.

Claim 14

Dependent Claim 18 words

Ozone generator as claimed in claim 1, in which the outer electrode is comprised of a corrosion-resistant material.

Claim 15

Dependent Claim 15 words

Ozone generator as claimed in claim 13, in which the outer electrode is stainless steel.

Claim 16

Dependent Claim 111 words

An ozone generator comprising an outer tubular electrode having external flanges adapted for dissipating heat to ambient gases, a tubular dielectric substantially concentrically spaced within said outer electrode, a tubular inner electrode in contact with the inner surface of said dielectric, said dielectric and said inner electrode having a substantially unrestricted bore which has both ends open to throughflow of cooling gases, and a body disposed within and in contact with said inner electrode, said body including means for dissipating heat from said inner electrode to gases passing through said bore of said dielectric, wherein said heat dissipating means comprise a sheet formed into a cylinder with two inwardly directed flanges.

Claim 17

Dependent Claim 111 words

An ozone generator comprising an outer tubular electrode having external flanges adapted for dissipating heat to ambient gases, a tubular dielectric substantially concentrically spaced within said outer electrode, a tubular inner electrode in contact with the inner surface of said dielectric, said dielectric and said inner electrode having a substantially unrestricted bore which has both ends open to throughflow of cooling gases, and a body disposed within and in contact with said inner electrode, said body including means for dissipating heat from said inner electrode to gases passing through said bore of said dielectric, wherein said heat dissipating means comprise a sheet formed into a cylinder with two inwardly directed flanges.

Claim 18

Dependent Claim 20 words

An ozone generator as claimed in claim 15 wherein said inner and outer electrodes are both shorter than said dielectric.

Claim 19

Dependent Claim 22 words

An ozone generator as claimed in claim 15 wherein said inner and outer electrodes have effective corona-generating lengths which are substantially equal.

Claim 20

Dependent Claim 28 words

An ozone generator as claimed in claim 15 wherein said dielectric is spaced within said outer electrode by a distance substantially equal to the thickness of said dielectric.

Claim 21

Dependent Claim 112 words

A portable ozone generator comprising an outer tubular electrode having external flanges adapted for dissipating heat to ambient gases, a tubular dielectric substantially concentrically spaced within said outer electrode, a tubular inner electrode in contact with the inner surface of said dielectric, said dielectric and said inner electrode having a substantially unrestricted bore which has both ends open to throughflow of cooling gases, and a body disposed within and in contact with said inner electrode, said body including an expandable tubular portion which in expanded form firmly abuts said inner electrode and reinforces said dielectric and inner electrode, said body comprising a sheet formed into a cylinder with two inwardly directed flanges.

Claim 22

Dependent Claim 112 words

A portable ozone generator comprising an outer tubular electrode having external flanges adapted for dissipating heat to ambient gases, a tubular dielectric substantially concentrically spaced within said outer electrode, a tubular inner electrode in contact with the inner surface of said dielectric, said dielectric and said inner electrode having a substantially unrestricted bore which has both ends open to throughflow of cooling gases, and a body disposed within and in contact with said inner electrode, said body including an expandable tubular portion which in expanded form firmly abuts said inner electrode and reinforces said dielectric and inner electrode, said body comprising a sheet formed into a cylinder with two inwardly directed flanges.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1988-03-11	1988-09-10	1989-03-12	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1992-03-11	1992-09-10	1993-03-12	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1996-03-11	1996-09-10	1997-03-12	$7700.00	Window Closed / Lapsed

Ozone generator

Abstract

Inventors

Bibliographic Details

Claims Analysis

References Cited (Backward Citations)

USPTO Annuity & Maintenance Windows

Assigned Categories & Tags

Assign Category Tag