[특허]Room and area disinfection utilizing pulsed light with modulated power flux and light systems with visible light compensation between pulses

Room and area disinfection utilizing pulsed light with modulated power flux and light systems with visible light compensation between pulses 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61L-002/10 A61L-002/24 A23L-003/28
출원번호	US-0989394 (2018-05-25)
등록번호	US-10245341 (2019-04-02)
발명자 / 주소	Stibich, Mark A. Dale, Charles Guerrero, Jr., Edward C. Froutan, Paul P. Simmons, Sarah E. Ciorneiu, Boris
출원인 / 주소	Xenex Disinfection Services, LLC.
대리인 / 주소	Egan Peterman Enders Huston
인용정보	피인용 횟수 : 0 인용 특허 : 39

초록 ▼

Disinfection methods and apparatuses are provided which generate pulses of germicidal light at a frequency greater than 20 Hz and project the pulses of light to surfaces at least 1.0 meter from the disinfection apparatus. The pulses of light comprise a pulse duration and an energy flux sufficient to generate a power flux between approximately 200 W/m2 and approximately 5000 W/m2 of ultraviolet light in the wavelength range between 200 nm and 320 nm at the surfaces. Other disinfection methods and apparatuses are provided which generate pulses of light comprising germicidal light and visible light from a germicidal light source and generate pulses of light from a visible light source that is distinct from the germicidal light source. The projections of visible light from the light sources produce a continuous stream of visible light or a collective stream of visible light pulsed at a frequency greater than 60 Hz.

대표청구항 ▼

1. A method for reducing bacterial contamination on surfaces in an enclosed space which is suitable for human occupancy, wherein the method comprises: generating pulses of light at a frequency greater than approximately 20 Hz from a germicidal light source of a disinfection apparatus that is arranged in an enclosed space which is suitable for human occupancy; andprojecting the pulses of light to surfaces in the enclosed space at least 1.0 meter from the disinfection apparatus, wherein the pulses of light generated by the germicidal light source comprise a pulse duration and an energy flux sufficient to generate a power flux between approximately 200 W/m2 and approximately 5000 W/m2 of ultraviolet light in the wavelength range between 200 nm and 320 nm at the surfaces. 2. The method of claim 1, further comprising inhibiting or terminating operation of the disinfection apparatus based on a detection signal from an occupancy sensor comprising the disinfection apparatus. 3. The method of claim 1, wherein the step of projecting the pulses of light comprises projecting the pulses of light directly to surfaces in the enclosed space at least 2.0 meters from the disinfection apparatus. 4. The method of claim 1, wherein the step of generating the pulses of light comprises generating the pulses of light at a frequency greater than approximately 40 Hz. 5. The method of claim 1, wherein the step of generating the pulses of light comprises generating the pulses of light at a frequency greater than approximately 60 Hz. 6. The method of claim 1, wherein the step of generating the pulses of light comprises generating the pulses of light at a frequency between approximately 55 Hz and approximately 80 Hz. 7. The method of claim 1, wherein the step of generating the pulses of light comprises generating the pulses of light at a frequency greater than approximately 80 Hz. 8. The method of claim 1, wherein the pulses of light generated by the germicidal light source comprise a pulse duration and an energy flux sufficient to generate a power flux between approximately 200 W/m2 and approximately 2500 W/m2 of ultraviolet light in the wavelength range between 200 nm and 320 nm at the surfaces. 9. The method of claim 1, wherein the pulses of light generated by the germicidal light source comprise a pulse duration and an energy flux sufficient to generate a power flux between approximately 200 W/m2 and approximately 1000 W/m2 of ultraviolet light in the wavelength range between 200 nm and 320 nm at the surfaces. 10. The method of claim 1, further comprising automatically moving the germicidal light source relative to a support structure of the disinfection apparatus during the steps of generating and projecting the pulses of light. 11. The method of claim 1, further comprising automatically moving the disinfection apparatus during the steps of generating and projecting the pulses of light. 12. The method of claim 1, wherein the germicidal light source is a polychromatic germicidal light source. 13. The method of claim 1, wherein the germicidal light source generates ultraviolet light and visible light, wherein the method further comprises generating pulses of light from a visible light source distinct from the germicidal light source such that combined projections of visible light from the visible light source and the germicidal light source produce a continuous stream of visible light or a collective stream of visible light pulsed at a frequency greater than 50 Hz.

이 특허에 인용된 특허 (39)

Dionisio,James L., Air disinfecting system and cartridge device containing ultraviolet light.
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Goldshtein, Yakov Abrammerovich; Shashkovsky, Sergei Gennadevich, Air sterilizing assembly.
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Rocha-Alvarez, Juan Carlos; Nowak, Thomas; Du Bois, Dale R.; Baluja, Sanjeev; Hendrickson, Scott A.; Ho, Dustin W.; Kaszuba, Andrzei; Cho, Tom K., Apparatus and method for exposing a substrate to a rotating irradiance pattern of UV radiation.
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Eliuk, Walter W.; Rob, Ronald H.; Mlodzinski, Lance R.; Reinhardt, Alex H.; Doherty, Thom, Automated pharmacy admixture system (APAS).
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Stibich, Mark A.; Miller, Morris; Flores-Clar, Jr., Ricardo; Simmons, Sarah E.; Sparks, Rachael A.; Froutan, Paul P.; Stachowiak, Julie A.; English, Daniel F. S., Containment curtains as well as systems and apparatuses including same.
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Fulton Steven (Arlington TX) Orthman Lyle T. (Mesquite TX) Snodgrass Eric R. (Arlington TX), Continuous feed, chemical switching unit.
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Bushnell Andrew H. ; Moller H.ang.kan,SEX ; Clark R. Wayne ; Gersten Miriam ; Meader Don ; Naslund Lars-.ANG.ke,SEX ; Mellbin H.ang.kan,SEX ; Olanders Par,SEX ; Stark Olof,SEX, Deactivation of microorganisms.
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Caprari Fausto (East Brunswick NJ), Deep ultraviolet (DUV) flood exposure system.
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Yoshida, Hisashi, Fluorescent transilluminator requiring no visible light-cutting filter.
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Stibich, Mark A.; Froutan, Paul P.; Simmons, Sarah E.; Dale, Charles, Germicidal apparatuses with configurations to selectively conduct different disinfection modes interior and exterior to the apparatus.
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Stibich, Mark A.; Froutan, Paul P.; Simmons, Sarah E.; Dale, Charles, Germicidal apparatuses with configurations to selectively conduct different disinfection modes interior and exterior to the apparatus.
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Stibich, Mark A.; Stibich, Paul R., Germicidal systems and apparatuses having hollow tumbling chambers.
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Gordon, Eugene I., Hand sanitizer/sterilizer.
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Koenck Steven E. (Cedar Rapids IA), LCD backlighting method and apparatus using a xenon flash tube including drive circuit.
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Stibich, Mark A.; Froutan, Paul P.; Ogle, James R.; Smith, Troy D., Lamp and reflector arrangements for apparatuses with multiple germicidal lamps.
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McGregor Gordon L. (Landenberg PA) Minor Raymond B. (Elkton MD) Hannon Gregory E. (Newark DE) Henn Robert Lyon (Wilmington DE), Light reflectant surface for photoinduction chambers.
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Lantis Robert M., Method and apparatus for decontaminating fluids using ultraviolet radiation.
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Brown-Skrobot, Susan K.; Ebel, James A.; Enns, John B.; Hill, Gregory A.; Kimble, Allan W., Method and apparatus of sterilization using monochromatic UV radiation source.
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Brown-Skrobot, Susan K.; Ebel, James A.; Enns, John B.; Hill, Gregory A.; Kimble, Allan W., Method and apparatus of sterilization using monochromic UV radiation source.
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Kamrukov Alexandr Semenovich,RUX ; Shashkovsky Sergei Gennadievich,RUX ; Yalovik Mikhail Stepanovich,RUX ; Korop Evgeny Dmitrievich,RUX ; Arkhipov Vladimir Pavlovich,RUX ; Kozlov Nikolai Pavlovich,RU, Method and device for UV treatment of liquids, air and surfaces.
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Wekhof Alexander (Emeryville CA), Method for destruction of toxic substances with ultraviolet radiation.
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Zamir Tribelski IL, Method for disinfecting liquids and gases and devices for use thereof.
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Lagunas-Solar Manuel C. (Davis CA) Pyne Alvan W. (Kennelon NJ), Method of controlling microorganisms by pulsed ultraviolet laser radiation.
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Dunn Joseph E. (Rancho La Costa CA) Clark R. Wayne (Del Mar CA) Asmus John F. (LaJolla CA) Pearlman Jay S. (Rancho Palos Verde CA) Boyer Keith (Los Alamos NM) Painchaud Fraincois (Charlesbourg CA CAX, Methods for aseptic packaging of medical devices.
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Clark, Reginald Wayne; Lierman, James C.; Lander, Donald; Dunn, Joseph E., Parametric control in pulsed light sterilization.
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Clark Reginald Wayne ; Lierman James C. ; Lander Donald ; Dunn Joseph E., Parametric control in pulsed light sterilization of packages and their contents.
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Kerr, James, Sanitization devices and methods of their use.
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Donati Richard Joseph (Bristol CT) Zeigler ; III John Finley (Canton OH 4), Strobe synchronization for averting convulsive reactions to strobe light.
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Stibich, Mark A., Systems which determine operating parameters and disinfection schedules for germicidal devices.
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Deal, Jeffery L, Ultraviolet area sterilizer and method of area sterilization using ultraviolet radiation.
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Kreitenberg, Arthur, Ultraviolet autonomous trolley for sanitizing aircraft.
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Stibich, Mark Andrew; Wolford, James Blaine; Garfield, Alexander Nathan; Rathgeber, Martin; Frydendall, Eric Martin, Ultraviolet discharge lamp apparatuses with one or more reflectors.
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Isaac B. Horton, III, Ultraviolet wastewater disinfection system and method.
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Gonser Donald I. (York PA), Xenon light apparatus for supplying ultraviolet and visible spectra.
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Room and area disinfection utilizing pulsed light with modulated power flux and light systems with visible light compensation between pulses 원문보기

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Room and area disinfection utilizing pulsed light with modulated power flux and light systems with visible light compensation between pulses 원문보기

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