Optical apparatus dehydrator

Details Optical apparatus dehydrator Optical apparatus dehydrator

1987-07-20

1988-07-05

Corbin, John K.

350537, G02B 2316

Patent

active

047550317

ABSTRACT:
An apparatus for controlling the humidity in and removing moisture from the internal volume or optical surfaces of a telescope or similar optical equipment. An apertured desiccant holder is secured to the end of an extension or support means which in turn is mounted to extend through an access port in telescope or equipment housing. The desiccant holder is positioned adjacent to reflective or refractive optics and is constructed to provide ready access and a reasonably short mean free path for moisture to reach the desiccant. In further aspects of the invention, a variety of access ports and equipment dimensions may be accommodated. In addition, the extension means can also incorporate desiccant storage means and a relative moisture indicator for the desiccant.

REFERENCES:
patent: 2323787 (1943-07-01), Bitner
patent: 2399971 (1946-05-01), Wolfe

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