US 10,160,667 B2Granted

Inductively coupled dielectric barrier discharge lamp

AssigneeAccess Business Group International LLC

InventorsKarlis Vecziedins, Michael E. Miles, Joshua K. Schwannecke, David A. Meekhof, Donovan L. Squires, William T. Stoner, Matthew J. Norconk, Richard B. Bylsma, Matthew J. Lilley

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Abstract

A dielectric barrier discharge lamp assembly for a fluid treatment system. The lamp assembly can include an inductive secondary, first and second electrodes coupled to the inductive secondary, and a lamp including a dielectric barrier interposed between the first and second electrodes. The dielectric barrier can define a discharge chamber including a discharge gas, and one of the first and second electrodes can extend within the discharge chamber. The inductive secondary can be adapted to receive power from a nearby inductive primary to promote a dielectric barrier discharge in the discharge chamber. The resulting dielectric barrier discharge can generate ultraviolet light for the treatment of air or water, or for other applications.

Claims20

Dependent claims

A fluid treatment system comprising:

a base station defining a fluid flow path and including:
a water quality sensor adapted to provide an output based on a characteristic of water in the fluid flow path,
a water flow rate sensor adapted to provide an output based on a flow rate of water in the fluid flow path,
a primary coil adapted to generate a time-varying electromagnetic field and having a variable power output, and
a controller adapted to control the power output of the primary coil based on the output of the water quality sensor and the output of the water flow rate sensor;
and
a lamp assembly configured to be received within the base station and including a secondary coil that is inductively coupled to the primary coil, the lamp assembly being adapted to radiate ultraviolet light for treatment of water in the fluid flow path in response to the time-varying electromagnetic field generated by the primary coil, the ultraviolet light having an intensity based, at least in part, on the power output of the primary coil.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/015,983Filed 22 Jun 2018 · continuation
Priority: 4 Jun 2010
Published: US 2018/0319678 A18 Nov 2018
Granted: 25 Dec 2018
Term ends: Not estimatedThe source records don’t support an estimate.

Classification21 codes

C02F 1/325
With ultraviolet light: irradiation devices or lamp constructions
C02F 1/283
By sorption: using coal, charred products, or inorganic mixtures containing them
H01F 38/14
Adaptations of transformers or inductances for specific applications or functions: inductive couplings
H01J 5/54
Means forming part of the tube or lamps for the purpose of providing electrical connection to it: supported by a separate part, e.g. base

Family

Application61/351,604Us provisional application · filed 4 Jun 2010
Application13/152,351Parent of this continuation · filed 3 Jun 2011
Application15/279,566Parent of this continuation · filed 29 Sep 2016
US 9,493,366 B2Parent of this continuation · filed 15 Nov 2016
US 2018/0319678 A1Pre-grant publication · published 8 Nov 2018
US 10,035,715 B2Parent of this continuation
US 2011/0297844 A1Published application
US 2017/0015566 A1Published application
US 10,160,667 B2This patent

From the US filing history. Foreign family members aren’t listed.