Appliance for disinfection of HVAC systems
First Claim
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1. An appliance for disinfecting an HVAC system comprising:
- at least one germicidal lamp located in an enclosure that is mounted on a duct of an HVAC system or appliance;
a source of electrical power for the germicidal lamp; and
a switch that turns off power to the germicidal lamp when the enclosure is not mounted on the duct or appliance.
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Accused Products
Abstract
An application and method for disinfecting HVAC systems that includes features for protecting service personnel from unintended exposure to ultraviolet radiation. The safeguards include an interlock that prevents illumination of germicidal lamps when their enclosure case is not properly attached to a duct.
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Citations
16 Claims
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1. An appliance for disinfecting an HVAC system comprising:
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at least one germicidal lamp located in an enclosure that is mounted on a duct of an HVAC system or appliance;
a source of electrical power for the germicidal lamp; and
a switch that turns off power to the germicidal lamp when the enclosure is not mounted on the duct or appliance. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An appliance for disinfecting an HVAC system comprising:
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at least one germicidal lamp located in an enclosure that is mounted on an HVAC duct or appliance;
a source of electrical power for the germicidal lamp; and
an interlock that turns off power to the germicidal lamp when the enclosure is not mounted on the appliance, and a lamp transparent lamp base that allows monitoring of germicidal lamp illumination. - View Dependent Claims (8)
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9. An appliance for disinfecting an HVAC system comprising:
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at least one germicidal lamp in attached to a lamp assembly, the lamp assembly being removably mounted on an enclosure; and
a switch positioned close to the lamp assembly, and interposed in a circuit carrying power to the at least one lamp, the switch being in an open position when the lamp assembly is removed from the enclosure, and closed when the lamp assembly is present.
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10. Apparatus for monitoring the operation of at least one germicidal lamp used for disinfecting an HVAC system, the apparatus comprising a monitoring circuit, the circuit comprising:
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two pairs of oppositely directed diodes connected in parallel; and
a light emitting diode connected in parallel therewith, the monitoring circuit being wired in series with a power circuit supplying power to the at least one germicidal lamp.
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11. A lamp assembly comprising.
a germicidal lamp; -
a lamp base;
a handle with which the lamp assembly can be manually manipulated;
a power circuit; and
a connection circuit board, wherein the germicidal lamp is permanently attached to a socket, the socket being removably mounted in a lamp assembly. - View Dependent Claims (12, 13, 14)
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15. An appliance for disinfection of HVAC systems comprising a plurality of lamp assemblies, wherein each lamp assembly is separately provided with electrical power, each lamp assembly of the plurality of lamp assemblies comprising:
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a germicidal lamp;
a lamp base;
a handle with which the lamp assembly can be manually manipulated;
a power circuit; and
a connection circuit board, wherein the germicidal lamp is permanently attached to a socket, the socket being removably mounted in a lamp assembly.
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16-17. -17. (canceled)
Specification