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1. WO1996005483 - TRANSMITTER WITH MOISTURE DRAINING HOUSING AND IMPROVED METHOD OF MOUNTING RFI FILTERS

Publication Number WO/1996/005483
Publication Date 22.02.1996
International Application No. PCT/US1995/009673
International Filing Date 01.08.1995
Chapter 2 Demand Filed 27.02.1996
IPC
G01D 11/24 2006.01
GPHYSICS
01MEASURING; TESTING
DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; TRANSFERRING OR TRANSDUCING ARRANGEMENTS NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
11Component parts of measuring arrangements not specially adapted for a specific variable
24Housings
H05K 5/02 2006.01
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
5Casings, cabinets or drawers for electric apparatus
02Details
CPC
G01D 11/245
GPHYSICS
01MEASURING; TESTING
DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
11Component parts of measuring arrangements not specially adapted for a specific variable
24Housings ; ; Casings for instruments
245Housings for sensors
H05K 5/0213
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
5Casings, cabinets or drawers for electric apparatus
02Details
0213Thermal insulation; Venting means; Condensation eliminators
H05K 5/069
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
5Casings, cabinets or drawers for electric apparatus
06Hermetically-sealed casings
069Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft
Applicants
  • ROSEMOUNT INC. [US/US]; 12001 Technology Drive Eden Prairie, MN 55344, US
Inventors
  • JOHNSON, John, D.; US
  • KIRKPATRICK, William, R.; US
Agents
  • CHAMPLIN, Judson, K. ; Westman, Champlin & Kelly International Centre Suite 1600 900 Second Avenue South Minneapolis, MN 55402-3319, US
Priority Data
08/288,94911.08.1994US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) TRANSMITTER WITH MOISTURE DRAINING HOUSING AND IMPROVED METHOD OF MOUNTING RFI FILTERS
(FR) DISPOSITIF DE TRANSMISSION COMPORTANT UN BOITIER POURVU D'UN SYSTEME DE DRAINAGE D'HUMIDITE ET PROCEDE AMELIORE DE MONTAGE DE FILTRES D'INTERFERENCES DE RADIOFREQUENCE
Abstract
(EN)
A transmitter (100) transmitting a sensed process variable over a conductor (134A, 134B) includes a cylindrical housing (102) having a terminal compartment (110) and an electronics compartment (108) separated by a bulkhead (106). The terminal compartment (110) used for conductor connection is subject to moisture accumulation. An access channel (136) fully intersects an internal surface of terminal compartment (110) such that the access channel (136) drains moisture from the terminal compartment (110) across a range of mounting orientations. The transmitter (100) includes a circuit (104) in the electronics compartment (108) for compensating a process variable and providing the compensated process variable via a feedthrough circuit assembly (142) in the bulkhead (106), which in one embodiment, includes an encapsulated radio frequency interference filter (144), to terminals (132A, 132B) in the terminal compartment (110) for coupling to a conductor (134A, 134B) that is connected to an external controller.
(FR)
Un dispositif de transmission (100) permettant de transmettre une variante de procédure détectée par l'intermédiaire d'un conducteur (134A, 134B) comprend un boîtier cylindrique (102) pourvu d'un compartiment d'extrémité (110) et d'un compartiment d'électronique (108) séparés par une cloison (106). Le compartiment d'extrémité (110) utilisé pour le branchement des conducteurs est sujet à l'accumulation d'humidité. Un canal d'accès (136) coupe totalement une surface intérieure du compartiment d'extrémité (110), de sorte que ce canal (136) draine l'humidité depuis ledit compartiment (110) sur toute une plage d'orientations de montage. Le dispositif de transmission (100) comprend un circuit (104) situé dans le compartiment de l'électronique (108) et servant à compenser une variante de procédure, ainsi qu'à transmettre ladite variante par l'intermédiaire d'un ensemble de circuits de traversée (142) se trouvant dans la cloison (106), qui, dans un mode de réalisation, comporte un filtre d'interférences de radiofréquence encapsulé (144), à des bornes (132A, 132B) situées dans le compartiment d'extrémité (110) et servant à effectuer un raccordement avec un conducteur (134A, 134B) relié à une unité de contrôle extérieure.
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