Microwave tank-contents level measuring assembly with lens-obtur

Details Microwave tank-contents level measuring assembly with lens-obtur Microwave tank-contents level measuring assembly with lens-obtur

1985-01-18

1986-01-28

Yasich, Daniel M.

Measuring and testing

Liquid level or depth gauge

73290V, 324 585B, 343 12R, 343753, G01F 2328, G01S 1308

Patent

active

045663211

ABSTRACT:
A microwave tank-contents level measuring system is housed within a housing having an open end obturated by a hyperbolically curved convex-plano fluid impermeable solid dielectric lens providing a seal for the tank opening over which the housing is installed while collimating the outgoing ranging signal and focusing the return signal. A separate removable housing cover provides access to the electronic components for service while the tank-opening sealing function of the lens is not disturbed. A transmitting-receiving horn is dimensioned and positioned on the axis of the lens with its effective phase center at the operating frequency coinciding with a focal point of the hyperbolic surface.

REFERENCES:
patent: 2801412 (1957-07-01), Maybury et al.
patent: 2994873 (1961-08-01), Goubau
patent: 3727897 (1973-04-01), Bennett
patent: 3833906 (1974-09-01), Augustine
patent: 4044355 (1977-08-01), Edvardsson

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