Pen-size LED inspection lamp for detection of fluorescent material
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1. An inspection lamp for detecting refrigerant leaks from air-conditioning systems through illumination of fluorescent materials added to the refrigerant and lubricating oil, said inspection lamp comprising an LED pen light having a housing enclosing a power source and an LED, the housing having a rear end and a front end, with a glass lens capsule at the front end, said inspection lamp further comprising;
- a hollow handle adapted to receive the pen light, whereby the pen light may be retracted into the handle or extended out of the handle; and
wherein the LED emits light within a wavelength band below about 500 nm.
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Abstract
A pen-size inspection lamp for detecting fluorescent materials. The inspection lamp includes a lamp housing, an extendible handle, and at least one LED.
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Citations
29 Claims
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1. An inspection lamp for detecting refrigerant leaks from air-conditioning systems through illumination of fluorescent materials added to the refrigerant and lubricating oil, said inspection lamp comprising an LED pen light having a housing enclosing a power source and an LED, the housing having a rear end and a front end, with a glass lens capsule at the front end, said inspection lamp further comprising;
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a hollow handle adapted to receive the pen light, whereby the pen light may be retracted into the handle or extended out of the handle; and
wherein the LED emits light within a wavelength band below about 500 nm. - View Dependent Claims (2, 3, 4, 5)
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6. An inspection lamp for detecting refrigerant leaks from air-conditioning systems through illumination of fluorescent materials added to the refrigerant and lubricating oil, said inspection lamp comprising:
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a lamp housing;
at least one LED located within the lamp housing and emitting light within a wavelength band below about 500 nm;
a handle having an upper flexible portion attached to the lamp housing and a lower portion;
wherein the flexible portion may be bent to fit into hard-to-reach areas of the air-conditioning system. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An inspection lamp for detecting refrigerant leaks from air-conditioning systems through illumination of fluorescent materials added to the refrigerant and lubricating oil, said inspection lamp comprising:
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a lamp housing;
a plurality of LEDs enclosed within the lamp housing, at least one of which emitting light within a wavelength band below about 500 nm; and
an extendible handle attached to the lamp housing. - View Dependent Claims (17, 18, 19, 20, 21)
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22. An LED inspection lamp for detecting refrigerant leaks from air-conditioning systems through illumination of fluorescent materials added to the refrigerant and lubricating oil, said inspection lamp comprising:
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extendable and retractable handle having a grip section and telescoping sections adapted to be pulled out to extend the handle and pushed in to retract the handle, a battery housing containing a battery, the battery housing being attached at one end thereof to the telescoping section that is furthest from the grip section when the handle is extended; and
an LED lamp assembly connected to the battery housing and containing an LED. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29)
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Specification