Optical viewing, photographic device for vapor generator

Details Optical viewing, photographic device for vapor generator Optical viewing, photographic device for vapor generator

1975-09-19

1977-02-01

Griffin, Donald A.

Liquid heaters and vaporizers

Flue

Vertical

122435, G03B 2900, F22D 100

Patent

active

040064867

ABSTRACT:
In an illustrative embodiment of the invention, a steam and water drum of a steam generating system is provided with an optical viewing device, partially inserted through the drum's manway, which permits visual inspection or observation of the drum internals. The device comprises a transparent protective barrier, or window, at the end of the device within the drum, which eliminates fogging or moisture condensation on the window to ensure visibility, a water cooled lens system having a wide angle lens for increased angular exposure, and an eye piece or camera attached to the other end of the device disposed outside the drum.

REFERENCES:
patent: 1149678 (1915-08-01), Parker
patent: 1227196 (1917-05-01), Pocock
patent: 2821966 (1958-02-01), Raynor
patent: 2877747 (1959-03-01), Happell
patent: 3096698 (1963-07-01), Stoutenburg
patent: 3256865 (1966-06-01), Modrak et al.
patent: 3609236 (1971-09-01), Heilman
patent: 3759151 (1973-09-01), Metz
patent: 3899243 (1975-08-01), Haverkamp
patent: 3914032 (1975-10-01), Takano et al.
patent: 3915564 (1975-10-01), Urban

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