CA2374291A1 - Point-of-use water treatment system - Google Patents

Point-of-use water treatment system Download PDF

Info

Publication number
CA2374291A1
CA2374291A1 CA002374291A CA2374291A CA2374291A1 CA 2374291 A1 CA2374291 A1 CA 2374291A1 CA 002374291 A CA002374291 A CA 002374291A CA 2374291 A CA2374291 A CA 2374291A CA 2374291 A1 CA2374291 A1 CA 2374291A1
Authority
CA
Canada
Prior art keywords
assembly
light
treatment device
lamp assembly
secondary treatment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002374291A
Other languages
French (fr)
Other versions
CA2374291C (en
Inventor
Roy W. Kuennen
Eric K. Bartkus
David W. Baarman
Kenneth E. Conrad
Terry L. Lautzenheiser
Greg Snyder
Scott A. Mollema
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Access Business Group International LLC
Original Assignee
Amway Corporation
Roy W. Kuennen
Eric K. Bartkus
David W. Baarman
Kenneth E. Conrad
Terry L. Lautzenheiser
Greg Snyder
Scott A. Mollema
Access Business Group International Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Amway Corporation, Roy W. Kuennen, Eric K. Bartkus, David W. Baarman, Kenneth E. Conrad, Terry L. Lautzenheiser, Greg Snyder, Scott A. Mollema, Access Business Group International Llc filed Critical Amway Corporation
Priority to CA2634530A priority Critical patent/CA2634530C/en
Priority to CA2634660A priority patent/CA2634660C/en
Priority to CA2634106A priority patent/CA2634106C/en
Priority to CA2634313A priority patent/CA2634313C/en
Priority to CA2634528A priority patent/CA2634528C/en
Publication of CA2374291A1 publication Critical patent/CA2374291A1/en
Application granted granted Critical
Publication of CA2374291C publication Critical patent/CA2374291C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
    • H01J61/20—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/10—Ultra-violet radiation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • C02F1/325—Irradiation devices or lamp constructions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C02F9/20—Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/32—Details relating to UV-irradiation devices
    • C02F2201/322—Lamp arrangement
    • C02F2201/3228—Units having reflectors, e.g. coatings, baffles, plates, mirrors
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/32—Details relating to UV-irradiation devices
    • C02F2201/326—Lamp control systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0003—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being doped with fluorescent agents

Abstract

The present invention is directed to a point-of-use water treatment system (WTS) unit (20) for filtering and treating contaminants in water. WTS
unit (20) may include a first primary coil (74) located in a base unit (22) which inductively power a secondary treatment device such as a UV lamp assembly (24).
A filter assembly (26) is used which has a filter block (90) and an inner sleeve (92) which extends inside filter block (90). Inner sleeve (92) defines a chamber in which the secondary treatment device (24) may be disposed. First and second valves and seals may be interposed between the filter assembly (26), secondary treatment device (24) and base unit (22) to allow the filter assembly (26) and secondary treatment device (24) to be independently replaceable. Secondary treatment device (24) may be a lamp assembly (24) which includes a condensing element (84) to condense mercury in a bulb in the arc path between filaments (444).
Maintaining the condensed mercury between filaments (444) serves to reduce the time needed for lamp assembly (24) to produce light emissions of a predetermined intensity upon subsequent energization as compared to allowing the mercury to condense outside the arc path. A reflector assembly (402) may be used in lamp assembly (24) to focus radiation upon conduits (80) carrying water therethrough and away from returning to a bulb assembly (82) from which the radiation was originally emitted. An outer enclosure or housing (400) surrounds the bulb and reflector assemblies (82, 402) such that lamp assembly (24) becomes a generally closed pressure vessel. Also, a light pipe (250) impregnated with a florescent dye may be used to convert UV light into visible light for ease of monitoring the light output intensity of lamp assembly (24). Light pipe (250) also serves as a filter to primarily emit light of a particular wavelength (green) while significantly inhibiting light transmission through light pipe (250) of other wavelengths.
CA002374291A 1999-06-21 2000-06-14 Point-of-use water treatment system Expired - Fee Related CA2374291C (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA2634530A CA2634530C (en) 1999-06-21 2000-06-14 Point-of-use water treatment system
CA2634660A CA2634660C (en) 1999-06-21 2000-06-14 Point-of-use water treatment system
CA2634106A CA2634106C (en) 1999-06-21 2000-06-14 Point-of-use water treatment system
CA2634313A CA2634313C (en) 1999-06-21 2000-06-14 Point-of-use water treatment system
CA2634528A CA2634528C (en) 1999-06-21 2000-06-14 Point-of-use water treatment system

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US14009099P 1999-06-21 1999-06-21
US14015999P 1999-06-21 1999-06-21
US60/140,090 1999-06-21
US60/140,159 1999-06-21
US09/596,416 2000-06-12
US09/596,416 US6451202B1 (en) 1999-06-21 2000-06-12 Point-of-use water treatment system
PCT/US2000/016422 WO2000078681A2 (en) 1999-06-21 2000-06-14 Point-of-use water treatment system

Related Child Applications (5)

Application Number Title Priority Date Filing Date
CA2634660A Division CA2634660C (en) 1999-06-21 2000-06-14 Point-of-use water treatment system
CA2634313A Division CA2634313C (en) 1999-06-21 2000-06-14 Point-of-use water treatment system
CA2634528A Division CA2634528C (en) 1999-06-21 2000-06-14 Point-of-use water treatment system
CA2634530A Division CA2634530C (en) 1999-06-21 2000-06-14 Point-of-use water treatment system
CA2634106A Division CA2634106C (en) 1999-06-21 2000-06-14 Point-of-use water treatment system

Publications (2)

Publication Number Publication Date
CA2374291A1 true CA2374291A1 (en) 2000-12-28
CA2374291C CA2374291C (en) 2008-10-07

Family

ID=27385443

Family Applications (3)

Application Number Title Priority Date Filing Date
CA2634660A Expired - Fee Related CA2634660C (en) 1999-06-21 2000-06-14 Point-of-use water treatment system
CA2634106A Expired - Fee Related CA2634106C (en) 1999-06-21 2000-06-14 Point-of-use water treatment system
CA002374291A Expired - Fee Related CA2374291C (en) 1999-06-21 2000-06-14 Point-of-use water treatment system

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CA2634660A Expired - Fee Related CA2634660C (en) 1999-06-21 2000-06-14 Point-of-use water treatment system
CA2634106A Expired - Fee Related CA2634106C (en) 1999-06-21 2000-06-14 Point-of-use water treatment system

Country Status (9)

Country Link
US (6) US6451202B1 (en)
JP (6) JP2003502153A (en)
KR (7) KR100449840B1 (en)
CN (6) CN1305775C (en)
AU (1) AU5489300A (en)
CA (3) CA2634660C (en)
HK (5) HK1063307A1 (en)
TW (1) TWI250131B (en)
WO (1) WO2000078681A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9634493B2 (en) 2010-02-10 2017-04-25 Fujitsu Limited Resonant frequency control method, electric power transmitting device, electric power receiving device in magnetic resonant type power transmission system

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* Cited by examiner, † Cited by third party
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