IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0110597
(2005-04-19)
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등록번호 |
US-7263843
(2007-09-04)
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발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Chernoff, Vilhauer, McClung & Stenzel, LLP
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인용정보 |
피인용 횟수 :
2 인용 특허 :
23 |
초록
▼
A method and system for an improved display case, comprising a display case having air flow paths for circulating air around one or more objects displayable in a display area in the display case, and one or more ultraviolet radiation elements suitably positioned within the air paths for sanitizing t
A method and system for an improved display case, comprising a display case having air flow paths for circulating air around one or more objects displayable in a display area in the display case, and one or more ultraviolet radiation elements suitably positioned within the air paths for sanitizing the circulating air to reduce the amount of airborne contaminants therein. The display case may comprise a produce display case, meats display case, vegetables display case, floral display case, dairy display case, a frozen foods display case, or a similar type case.
대표청구항
▼
What is claimed is: 1. An improved display case, comprising: a display case having air flow paths for circulating air around one or more objects displayable in a display area in the display case and having a continuous air circulation mode of operation, one or more ultraviolet radiation elements su
What is claimed is: 1. An improved display case, comprising: a display case having air flow paths for circulating air around one or more objects displayable in a display area in the display case and having a continuous air circulation mode of operation, one or more ultraviolet radiation elements suitably positioned within the air paths for sanitizing the circulating air during the continuous air circulation mode of operation to reduce an amount of airborne contaminants therein, a lower trough area of the display case through which the circulating air flows, and at least one of the ultraviolet radiation elements positioned suitably within said lower trough area to sanitize air flowing through the lower trough area of the display case during the continuous air circulation mode of operation. 2. The improved display case of claim 1, wherein the lower trough area comprises one or more waste drains for draining liquids from the display case. 3. The improved display case of claim 1, wherein at least one or more of the ultraviolet radiation elements is suitably positioned to sanitize surface areas in the lower trough area of the display case. 4. The improved display case of claim 1, further comprising: one or more refrigeration coils within the air flow paths of the display case, wherein at least one of the ultraviolet radiation elements is positioned suitably to sanitize air received by the one or more refrigeration coils and at least one of the ultraviolet radiation elements is positioned suitably to sanitize air received from the one or more refrigeration coils. 5. The improved display case of claim 1, wherein one or more of the ultraviolet radiation elements include reflective shielding for shielding the display area and areas outside the display case from direct exposure of ultraviolet light or for concentrating ultraviolet light radiated from the ultraviolet radiation elements. 6. The improved display case of claim 1, wherein one or more ultraviolet elements are suitably positioned within the display case proximate to a location at which air is released into the display area and whereby the air released into the display area is sanitized by the one or more ultraviolet radiation elements. 7. The improved display case of claim 1, wherein the one or more ultraviolet radiation elements comprise germicidal ultraviolet lamps. 8. The improved display case of claim 7, wherein the germicidal ultraviolet lamps are suitably designed to deliver a dosage of ultraviolet energy sufficient to sanitize the circulating air within the display case. 9. The improved display case of claim 1, wherein the display case is one of a produce display case, meats display case, vegetables display case, floral display case, dairy display case, or a frozen foods display case. 10. The improved display case of claim 1, wherein the one or more ultraviolet radiation elements include water resistant or water tight sealants for operation within the display case. 11. A method of sanitizing a display case used for displaying one or more objects displayable in a display area, the method comprising: circulating air around one or more objects displayed in said display area of said display case through air flow path in said display case while said display case is operating in a continuous air circulation mode of operation, sanitizing the circulating air during the continuous air circulation mode of operation using one or more ultraviolet radiation elements suitably positioned within the air paths to reduce an amount of airborne contaminants therein, flowing the circulating air through a lower trough area of the display case, and sanitizing the air flowing through the lower trough area of the display case during the continuous air circulation mode of operation using at least one of the ultraviolet radiation elements positioned suitably within said lower trough area. 12. The method of claim 11, further comprising draining liquids from the display case using one or more waste drains positioned in the lower trough area of the display case. 13. The method of claim 11, further comprising sanitizing surface areas in the lower trough area of the display case using at least one or more of the ultraviolet radiation elements suitably positioned to sanitize said surface areas. 14. The method of claim 11, further comprising: refrigerating air circulating within the air flow paths of the display case using one or more refrigeration coils, and sanitizing air received by the one or more refrigeration coils using at least one of the ultraviolet radiation elements and sanitizing air received from the one or more refrigeration coils using at least one of the ultraviolet radiation elements. 15. The method of claim 11, further comprising shielding the display area and areas outside the display case from direct exposure of ultraviolet light or concentrating ultraviolet light radiated from the ultraviolet radiation elements using reflective shielding of the one or more of the ultraviolet radiation elements. 16. The method of claim 11, further comprising sanitizing the air released into the display area using one or more ultraviolet elements suitably positioned within the display case proximate to a location at which air is released into the display area. 17. The method of claim 11, wherein the one or more ultraviolet radiation elements comprise germicidal ultraviolet lamps. 18. The method of claim 17, wherein the germicidal ultraviolet lamps are suitably designed to deliver a dosage of ultraviolet energy sufficient to sanitize the circulating air within the display case. 19. The method of claim 11, wherein the display case is a produce display case, meats display case, vegetables display case, floral display case, dairy display case, or a frozen foods display case. 20. The method of claim 11, wherein the one or more ultraviolet radiation elements include water resistant or water tight sealants for operation within the display case.
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