Stephen Arthur
Stephen Arthur Ifft, Longmont, CO US
Patent application number | Description | Published |
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20080307896 | Locating Of Pressure Taps On Face Of Orifice Plate Device - A process flow device that includes a self-averaging orifice plate type of primary flow element with a high pressure tap located on or incorporated into its upstream surface, and a low pressure tap located on or incorporated into its downstream surface, for measuring, by a differential pressure process, the volumetric rate of fluid flow at a point in a fluid carrying conduit where the velocity profile of the fluid is asymmetric with respect to the longitudinal axis of the conduit. The improved pressure tap configuration consists of two fluid conduits, one carried by each of the downstream and upstream faces of the orifice plate, establishing fluid communication between openings in the downstream and upstream faces of the orifice plate and their respective terminal pressure ports. Location of the pressure taps on the faces of the orifice plate in this manner allows for increased resolution of the pressure signals by minimizing the effects of upstream pipe flow disturbances on pressure taps used in conjunction with conditioning orifice plate primary flow elements, especially those with higher beta ratios. | 12-18-2008 |
20090235757 | Conditioning Orifice Plate With Pipe Wall Passages - An element of an averaging orifice plate fluid flow meter for measuring the volumetric rate of fluid flow in a conduit having an interior circumference for carrying a flow of fluid comprising, a planar flow impedance plate for disposition transversely across the interior of the conduit and perpendicular to the fluid flow, a plurality of spaced apart orifices disposed in the plate where the profile of each orifice is a segment of a circle on an arc where the arc is coincident with a portion of the interior circumference of the conduit. | 09-24-2009 |
20150082895 | RETRACTABLE FLOW CONDITIONER - A retractable flow conditioner that includes a body adapted for insertion into a fluid in a confined conduit upstream of a differential pressure measuring probe. The body has at least one flow conditioning element. The retractable flow conditioner also includes a mounting assembly attached to the body. The mounting assembly is configured to retractably mount the body into the confined conduit. | 03-26-2015 |
Stephen Arthur Lfft, Longmont, CO US
Patent application number | Description | Published |
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20090211368 | Sensor tube with reduced coherent vortex shedding - A device comprises a sensor tube for placement in a process flow and a flow-modifying element. The flow-modifying element is formed on the sensor tube, in order to reduce flow-induced vibrations by reducing coherent vortex shedding in the process flow. | 08-27-2009 |
Stephen Arthur Yows, Moorpark, CA US
Stephen Arthur Yows, Canoga Park, CA US
Stephen Arthur Yows, Sacramento, CA US
Patent application number | Description | Published |
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20160137935 | ENTRAINED-FLOW GASIFIER AND METHOD FOR REMOVING MOLTEN SLAG - An entrained-flow gasifier reactor includes a vessel and a first liner within the vessel. The first liner extends around a reaction zone in the vessel and has an inlet end and an exit end with respect to the reaction zone. The first liner includes a drip lip at the exit end. An isolator is arranged near the drip lip. The isolator is operable to thermally isolate the drip lip from a quench zone downstream from the reaction zone such that molten slag at the drip lip remains molten. | 05-19-2016 |