Level measurement device having electronics and antenna in...

Details Level measurement device having electronics and antenna in... Level measurement device having electronics and antenna in...

2006-07-11

2006-07-11

Gregory, Bernarr E. (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Determining distance

Material level within container

C342S118000, C073S29000R, C324S629000, C324S637000, C324S642000, C324S644000

Reexamination Certificate

active

07075480

ABSTRACT:
Described is a radar filling level measuring device for non-contact measurement of a filling level of a filling matter in a vessel. A radar filling level measuring device including an electronics unit for generating transmission signals and for evaluating receiving signals reflected for a filling matter, an antenna unit connected to the electronics unit and adapted to radiate the transmission signals generated by the electronics unit in the direction of the filling matter and to receive the receiving signals reflected from the filling matter surface and to pass them on to the electronics unit, and a housing forming a cavity which is at least tight with respect to the atmosphere within the vessel and in which the electronics unit and antenna unit are acommodated. By this structure both the antenna unit and the electronics unit are protected in a technically simple and cheap way against aggressive ambient conditions and against chemical and mechanically abrasive aggression.

REFERENCES:
patent: 4205315 (1980-05-01), Fleenor
patent: 4566321 (1986-01-01), Zacchio
patent: 4670754 (1987-06-01), Zacchio
patent: 5305237 (1994-04-01), Dalrymple et al.
patent: 5365178 (1994-11-01), Van Der Pol
patent: 5507181 (1996-04-01), Fox et al.
patent: 6353407 (2002-03-01), Donnelly
patent: 0 884 567 (1998-12-01), None

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