Patents Examined by John Adee
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Patent number: 4587020Abstract: A chromatographic plate comprising a support having a plurality of linear grooves engraved on the rear is disclosed. Each of said grooves have a uniform depth of a half or less as large as the thickness of the support and serves to guide a cutter. After the chromatographic development, the support may easily be cloven along the grooves into strips together with an adsorbent layer carried by the front of the support to give a sample holder for mass spectrometry.Type: GrantFiled: August 16, 1984Date of Patent: May 6, 1986Assignee: Shionogi & Company, Ltd.Inventors: Yuzo Nakagawa, Kouji Iwatani, Tetsuro Kadono
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Patent number: 4587024Abstract: In one embodiment, the cyclone separator includes an adjustable sidearm conduit which selectively receives different strata of particles passing through the radially outer sectors of the cylindrical region defined within the cyclone body. The cyclone separator may further include a traveling cone valve to restrict the size of the lower outlet. The vortex finder of the cyclone may include a vortex side port to extract the heavier particles entrained in the forced vortex received by the intake of the vortex finder. A control system may be combined with the cyclone separator to analyze the particles extracted from the various outlets from the cyclone and effect a change of the controllable features of the cyclone such as the position of the sidearm conduit and affecting the size of the lower outlet.Type: GrantFiled: August 21, 1984Date of Patent: May 6, 1986Assignee: Premiere Casing Services, Inc.Inventor: Asadollah Hayatdavoudi
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Patent number: 4584098Abstract: A continuous concentrator for high volume specific gravity separation of materials, particularly constituent materials of indigenous ores, in a counter-current process, the concentrator includes a continuous loop conveyor constructed with a conveyor bed on which are mounted periodic transverse riffles, and raised sidewalls for containing ore materials deposited on the bed from an ore feed; and, a bar sweeper constructed with a pair of continuous loop, link drives interconnected by transverse sweeper bars adjustably positioned over the conveyor bed, the bar sweeper being operated with the sweeper bars moving proximate the top of the conveyor riffles in an opposite direction from the movement of the conveyor, the rate of movement of the bar sweeper and conveyor being independently controlled for processing ores of different composition or consistency, wherein heavier metals and minerals are conveyed in one direction on the conveyor bed to one end of the conveyor for discharge and collection, and the lighter metType: GrantFiled: September 26, 1983Date of Patent: April 22, 1986Inventor: Winston Wright
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Patent number: 4582609Abstract: A new filtration device which floats in a body of the liquid to be filtered and which makes use of a bed of granular buoyant filtration media. The device comprises buoyancy means for giving the device sufficient buoyancy to float in the body of liquid; flow-defining structure attached to the buoyancy means and defining a flow path through which liquid may flow upwardly from the body of liquid; porous retaining means disposed across the defined flow path for holding a bed of buoyant filtration media against the force of liquid flowing upwardly through the path; and outlet means in communication with said flow path for conveying filtered liquid away from the filtration device.Type: GrantFiled: March 21, 1985Date of Patent: April 15, 1986Assignee: Minnesota Mining and Manufacturing CompanyInventors: John S. Hunter, III, Alan B. Staples
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Patent number: 4582608Abstract: An HPLC column provided with structure at its inlet and outlet ends to insure optimal distribution of fluids through the media therein.Type: GrantFiled: February 15, 1985Date of Patent: April 15, 1986Assignee: Separations Technology, Inc.Inventor: Robert P. Ritacco
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Patent number: 4582605Abstract: A large diameter pipeline strainer has a body with a central chamber and an axially aligned inlet and outlet a lateral opening covered by a removable cover plate to allow removal and replacement of a strainer element mounted in the chamber. The strainer has first and second perforated conical sheet metal walls with an outer wall tapering from the inlet toward the outlet and an inner wall tapering from the outlet back to an apex at the inlet. The strainer is positioned by an annular bead at the inlet sealing against the body at the inlet and fitted within an annular groove formed in both the body and the cover. The strainer is supported at the outlet by a number of radially extending projections which engage the strainer at the point where the inner and outer walls are joined together.Type: GrantFiled: May 7, 1984Date of Patent: April 15, 1986Assignee: R-P & C Valve Inc.Inventors: David B. Rea, Alexander B. Mann, Ronald F. Hornyak, Ronald A. McKean
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Patent number: 4582611Abstract: A process for removing contaminants from soil or aquifers. The process uses wick drains which include an outer filter medium supported by a rigid inner perforate member. The wick drains are inserted into the contaminated soil or aquifer, water is injected into one or more of the wick drains, and water and contaminants are removed from one or more wick drains. The wick drains are inserted by placing the wick drains in mandrels and driving them into the soil or aquifers, in a manner similar to that in which piles are driven, at a rate of up to about 8,000 to 10,000 linear feet per day.Type: GrantFiled: August 9, 1984Date of Patent: April 15, 1986Assignee: Brian Watt Associates, Inc.Inventor: John J. Wang
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Patent number: 4581134Abstract: A system, which controls the content of an impurity in a crude oil stream, includes an injector which injects a demulsifier into a stream of produced wet crude oil in response to a control signal. A three-phase separator receives the produced crude oil with demulsifier and partially separates produced water and gas from the crude oil to provide a separated wet crude oil stream. Apparatus mixes wash water in with the separated crude oil stream in accordance with a control signal to provide a crude oil/wash water stream. A dehydrator removes substantial amount of water from the crude oil/wash water stream to provide a dehydrated crude oil stream. A monitor monitors the content of a predetermined type of impurity in the dry crude oil stream and provides a corresponding impurity content signal to control apparatus. The control apparatus provides the first and second control signals in accordance with the signal from the monitor so as to control the impurity's content of the dry crude oil stream.Type: GrantFiled: September 28, 1984Date of Patent: April 8, 1986Assignee: Texaco Inc.Inventors: Albert P. Richter, Jr., Ray Tuggle, Ralph H. Clinard, Jr., Ronald L. Campsey, Frank L. Lankford, Jr.
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Patent number: 4581048Abstract: A high-speed water separator comprising a multiplicity of spaced, hollow deflection vanes located in the change of direction plane of a pipe elbow. The suction openings present on the concave vane side are holes located in rows along the vane, these holes being provided with a cover strip extending over the complete row. There is a distance between the cover strip and the vane surface in the plane of the openings and upstream of the openings. Downstream of the openings, the cover strip is connected with the vane surface so as to be water-tight. A multiplicity of side gaps are located in the side walls directly above the concave vane side at the connecting points of the deflection vanes with the side walls.Type: GrantFiled: June 7, 1983Date of Patent: April 8, 1986Assignee: BBC Brown, Boveri & Company, LimitedInventor: Vaclav Svoboda
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Patent number: 4579663Abstract: An apparatus and method are disclosed to optimize resolution of unknown samples by liquid chromatography. A plurality of resolution experiments are performed where the solvents in the liquid chromatograph column are changed from one experiment to the next. The chromatogram for each experiment is analyzed to measure its peak resolution. A measure of peak resolution is displayed for each chromatograph thereby allowing the operator to select easily the chromatograms with the required peak resolution and determine the solvent conditions required to produce that resolution.Type: GrantFiled: September 24, 1984Date of Patent: April 1, 1986Assignee: The Perkin-Elmer CorporationInventors: Anthony F. Poile, Ralph D. Conlon
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Patent number: 4579661Abstract: The invention is concerned with purification of a biologically active substance with the aid of a system of at least two immiscible aqueous phases; the process of the invention involves binding said substance to particles which have an affinity for said substance and distribute predominantly quantitative into one of said phases, and subsequently liberating said substance from said particles after separating the particle-containing phase from the other phase or the other phases.Type: GrantFiled: October 26, 1984Date of Patent: April 1, 1986Assignee: Pharmacia ABInventors: Sture J. Gustafsson, Per O. Hedman, Torbjorn G. I. Ling, Bo G. Mattiasson
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Patent number: 4579653Abstract: A fuel processor device particularly useful for separating water and other impurities from diesel fuel. The fuel processor according to the invention features a vertically elongated housing where fuel is initially transmitted wherein water and heavy particulates are removed therefrom. The housing includes a manually or automatically actuated drain valve, a fuel inlet fitting, and an optional heating device. After passing through the housing, the fuel is conducted to a particulate filter, preferably of the spin-on variety, which is mounted to a head which communicates with a fuel processing housing. The filter is positioned in side-by-side relation with the fuel processor housing. A first embodiment according to this invention describes the use of a horizontal elongated head which communicates the upper portion of the housing with a filter mounting pad.Type: GrantFiled: August 17, 1984Date of Patent: April 1, 1986Assignee: Davco Manufacturing CorporationInventor: Leland L. Davis
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Patent number: 4578193Abstract: A method for packing a chromatography column having an inlet port at one end and an outlet port at the other, comprises feeding a slurry or smoke of particulate bed material in a carrier fluid and applying a predetermined pressure to the bed material while allowing the carrier fluid to escape, wherein both the inlet and outlet ports are protected by porous bed-retaining means positioned apart to provide a space for the bed between them, at least a final portion of the slurry or smoke being fed through a filler tube into the space for the bed until the space is full and the bed extends back into the filler tube, predetermined pressure to the bed being applied via the slurry or smoke in the filler tube, and the filler tube then sealed being against relaxation of the bed pressure.Type: GrantFiled: November 23, 1984Date of Patent: March 25, 1986Assignee: Imperial Chemical Industries PLCInventor: David Shepherd
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Patent number: 4578199Abstract: The invention concerns a method and apparatus for separating fluids containing particulate matter into two or more fractions of different densities. A cyclone separator (1) is utilized for this purpose and differs from previous constructions inasmuch as it is a uni-directional, air-cored device having an inlet (7) only for the fluid (A) in the top and two separate outlets (11, 15) in the bottom, remote from the inlet, one (11) of which outlets extend axially of the separator. In operation particles (as defined in the specification) once separated from the streamline (A') in which they enter the device are constrained against traversing that streamline. Means (5) are provided adjacent the inlet (7) to stabilize the initial flow of fluid. The axially extending outlet (11) may be adjustable.Type: GrantFiled: April 25, 1985Date of Patent: March 25, 1986Assignee: Beloit CorporationInventors: John D. Peel, Paul A. Knight
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Patent number: 4571296Abstract: An integrated and transportable two stage drilling mud desilting apparatus in combination. Includes a first-stage mud inlet manifold, a second-stage inlet manifold, and a mud outlet manifold all mounted together as part of a separator body. Has a second-stage inlet reservoir mounted and connected to provide drilling mud into second-stage inlet manifold and a solids collection reservoir. Has a plurality of first-stage hydrocyclones mounted to receive mud from first-stage inlet reservoir, to separate first size solids from mud, and to discharge first size solids into solids collection reservoir. Has a plurality of second-stage hydrocyclones mounted to receive mud from second-stage inlet manifold, to separate smaller second size solids from mud, to discharge mud separated from smaller second size solids into mud outlet manifold for reuse, and to discharge second size solids into solids collection reservoir.Type: GrantFiled: August 15, 1984Date of Patent: February 18, 1986Assignee: Flo Trend Systems, Inc.Inventor: W. Gerald Lott
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Patent number: 4571297Abstract: A closed container of liquid is provided and operatively associated with a reservoir of water in a manner such that each time an intermittently actuated pump is actuated to pump water from the reservoir a predetermined amount of liquid is pumped from the container into the reservoir. The container has a bladder disposed therein and an outlet, separate from the bladder, for liquid to flow from within the container, exteriorly of the bladder, to the reservoir. The bladder includes an inlet and a water dispensing structure is operatively associated with the discharge line from the pump to dispense a predetermined amount of water from the discharge line of the pump into the bladder each time the pump is actuated, thereby causing an equal amount of liquid to be displaced from within the container exteriorly of the bladder into the reservoir.Type: GrantFiled: December 26, 1984Date of Patent: February 18, 1986Inventor: Jerold D. Jenkins
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Patent number: 4569759Abstract: A filtration apparatus includes at least one tangential filtration module ving at least one filtration element defining a conduit arranged in a spiral configuration within an enclosure in the form of a body of revolution. The element defines a helicoidal slope for liquid to be filtered and causes such liquid to pass through the module along a helicoidal path. The liquid is tangentially filtered, and filtrate is delivered to the exterior of the module.Type: GrantFiled: March 22, 1984Date of Patent: February 11, 1986Assignees: Societe Lyonnaise des Eaux et de l'Eclairage, Degremont, Institut de la Filtration et des Techniques Separatives FoulayronnesInventors: Roger Ben Aim, Daniel Bourdiol, Francois Fiessinger, Jean-Marie Rovel
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Patent number: 4569761Abstract: In a centrifuge sieve drum, wherein the inner surface of the drum is lined with a support arrangement carrying wear-resistant sieve or screen rods, there is obtained a compensation of the different thermal expansions of the sieve rods and the support arrangement in that, the sieve rods comprise an axially extending web and the support arrangement comprises identically shaped grooves or slots engaged by the webs. Each web and its associated groove or slot may be designed, for example, as a dovetail guide. Thus, while the sieve rods may expand or contract in longitudinal direction or in the direction of the lengthwise axis of the drum, the sieve rods are, however, immovable in radial direction and in circumferential direction.Type: GrantFiled: September 12, 1983Date of Patent: February 11, 1986Assignee: Sulzer-Escher Wyss AGInventors: Leonhard Spiewok, Jozsef Fenyes
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Patent number: 4568461Abstract: An apparatus for distributing a substance over a surface includes a feed compartment which is provided with substance feed means and which is defined by a bottom, a rear wall, two side walls and a front wall forming an overflow. A distribution compartment has a rear wall defined by the overflow, two side walls, a front wall, a bottom and an opening for the substance to flow out. The feed compartment is provided with baffle members to ensure distribution of the substance therein.Type: GrantFiled: March 12, 1984Date of Patent: February 4, 1986Assignee: Rhone-Poulenc Chimie De BaseInventors: Jean Aoustin, Guy Nineuil, Bernard Wallon
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Patent number: RE32135Abstract: The disclosure concerns an apparatus for separating various sizes, shapes, and textures of solid particles from a liquid, comprising: a settling tank having an elongated ramp at one end with a scraper flight conveyor, driven at the upper end of the ramp, to scrape settlings from the bottom of the tank up the ramp out of the tank; and at least one cylindrical rotatable filter drum assembly snapped between spaced rigid guide and supporting brackets in the tank. An axial end of the filter drum has a ball duct seating in a socket duct connected to the intake of a continuously-operating pump for circulating filtered liquid to the machine tools with a bypass into a clean tank that overflows into the settling tank. The other end of the filter drum assembly is axially outwardly resiliently pressed, such as by a spring against an opposite wall of the tank, to urge the ball and socket joint together.Type: GrantFiled: November 14, 1984Date of Patent: May 6, 1986Assignee: Henry Filters, Inc.Inventors: John L. Creps, Robert J. Fox, Ted W. Guelde, Eugene H. Harms, Stephen N. McEwen