Measurement transmitter

Details Measurement transmitter Measurement transmitter

2007-04-24

2010-11-02

Nguyen, Tuyen (Department: 2832)

Inductor devices

Core forms casing

Reexamination Certificate

active

07825761

ABSTRACT:
The invention relates to a measurement transmitter for operation in a process plant. The enclosure of the measurement transmitter comprises two mutually separate containers (11, 12), where the transducer for converting the process-related, physical variable into an appropriate electrical variable is housed in the one container (11), and an electronic circuit (22) is arranged in the other container (12). The two containers (11, 12) have complimentary screw threads (51, 52) to each other, and are screwed together directly. The screw connection of the two containers (11, 12) comprises a transformer made up of two parts (31, 32), whose parts (31, 32) each comprise a winding (41, 42) connected to the circuitry (21, 22) of the respective container (11, 12).

REFERENCES:
patent: 4038625 (1977-07-01), Tompkins et al.
patent: 4627292 (1986-12-01), Dekrone
patent: 6268785 (2001-07-01), Kollman et al.
patent: 6457367 (2002-10-01), Behm et al.
patent: 40 33 052 (1992-10-01), None
patent: 197 19 730 (1998-10-01), None
patent: 198 59 557 (1999-08-01), None
patent: 0 489 848 (1995-09-01), None
“Contrans P MeBumformer ARK 200 Für Differenzdruck, DurchFluB, Füllstand” (Contrans P Measurement transmitter ARK 200 for Differential Pressure, Flow rate and Fluid Leve) From Schoppe & Faeser Gmbh Document No. 42/15-190-3, 17 Pages.

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