1
James L Gravel, Bruce L Johnson, Mark Romo: Carrier assembly for fluid sensor. Rosemont, Westman Champlin & Kelly P A, June 9, 1998: US05763787 (36 worldwide citation)

A carrier assembly includes a sensor housing having first and second housing portions and a sensor cavity formed therebetween for carrying a sensor. A carrier assembly couples to the sensor and provides electrical connections which extend from the sensor and between the first and second housing. The ...


2
James L Gravel, Steve D Kruse, Randall C Olson: Modular probe. Rosemount, Westman Champlin & Kelly P A, September 21, 1999: US05955684 (34 worldwide citation)

A modular probe that is used for determining levels in a process material container, bins, pipes, using capacitance, micro impulse radar, or other types of signals, and which has a self contained pressure seal in the probe. The probe mounts to a connector that has an explosion proof barrier. The con ...


3
James L Gravel, Fred C Sittler, David A Broden: Sensor with fluid isolation barrier. Rosemount, Westman Champlin & Kelly P A, May 13, 2003: US06561038 (25 worldwide citation)

A sensor capsule suitable for use in an industrial process fluid transmitter. The sensor capsule includes a block that has a sensor mounting hole. The block includes two half-blocks joined along mating surfaces passing lengthwise through the sensor mounting hole. A sensor has a sensor neck passing t ...


4
James L Gravel, Mark C Fandrey: Tank seal for guided wave radar level measurement. Rosemount, Westman Champlin & Kelly P A, August 14, 2007: US07255002 (23 worldwide citation)

A microwave level gauge for measuring a level of a process material in a tank includes a ceramic seal and a microwave conductor. The ceramic seal is disposed adjacent to an opening in the tank and adapted to isolate circuitry from the process material. The microwave conductor is electrically coupled ...


5
James L Gravel, Bruce L Johnson, James A Kronmiller, Randall C Olson, Steven D Kruse: Level probe with modular connection. Rosemount, Westman Champlin & Kelly PA, November 21, 2000: US06148681 (21 worldwide citation)

A process seal assembly adapted for installation to a process vessel opening. A probe with a probe connector connects to a rod inside a passageway of a housing adapted to be sealingly mounted to the process vessel opening. The rod has a first end coupled to the probe connector and a second end adapt ...


6
James L Gravel: Pneumatic instrument particle trap. Rosemount, Westman Champlin & Kelly, August 2, 1994: US05333637 (15 worldwide citation)

A transducer which provides a regulated pneumatic output as a function of an electric control input includes a housing, a gas regulator, and a particle trap. The housing has a passage therein, the passage including an inlet for receiving a pressurized gas supply and an outlet. The particle trap is d ...


7
Gregory C Brown, James L Gravel: High sensitivity magnetic actuator. Rosemount, Kinney & Lange, January 27, 1987: US04638830 (9 worldwide citation)

An improved magnetic actuator for providing mechanical actuation representative of an input current has a housing that supports a coil surrounding a central core, and includes a diaphragm type spring above the central core. A cover of high magnetic permeability is mounted on the housing spaced from ...


8
Christopher L Eriksen, James L Gravel, Randall C Olson, David Strei: Electrical connector for a pressure sensor stem. Rosemount, Westman Champlin & Kelly, April 20, 2004: US06722927 (7 worldwide citation)

An electrical connector protects a pressure sensor stem that protrudes from a pressure sensor capsule. The electrical connector includes a baseplate with a central hole and a peripheral wall joined to the baseplate and protruding below the baseplate. The peripheral wall slidingly engages the pressur ...


9
James L Gravel, Fred C Sittler, David A Broden: Sensor with fluid isolation barrier. Christopher R Christenson, Westman Champlin & Kelly, August 1, 2002: US20020100333-A1 (1 worldwide citation)

A sensor capsule suitable for use in an industrial process fluid transmitter. The sensor capsule includes a block that has a sensor mounting hole. The block includes two half-blocks joined along mating surfaces passing lengthwise through the sensor mounting hole. A sensor has a sensor neck passing t ...


10
James L Gravel: Pneumatic instrument particle trap. Rosemount, CHEN SHENXIAN, June 19, 1996: CN94192363

A transducer (10) which provides a regulated pneumatic output as a function of an electric control input includes a housing (16), a gas regulator (22), and a particle trap (51). The housing (16) has a passage (20) therein, the passage (20) including an inlet for receiving a pressurized gas supply an ...