Quotables
"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7380768 | Balanced-plug cage style control valve and bonnet seal assembly A balance-plug cage style control valve has substantially reduced body-bonnet bolt loading with an elastic seal. The elastic seal assembly includes an annular seal having an elastic region, a compression surface, and at least one sealing surface positioned in a chan... | 06/03/2008 |
| 7195229 | Automatic sampler In a direct injection type automatic sampler, a sampling needle having a liquid sample collected from a sample vessel by using suction force of a pump is inserted into an injection port. Then, a flow path-switching valve is rotated to switch a flow path to make a fl... | 03/27/2007 |
| 7083160 | Balanced-plug cage style control valve and bonnet seal assembly A balance-plug cage style control valve has substantially reduced body-bonnet bolt loading with an elastic seal. The elastic seal assembly includes an annular seal having an elastic region, a compression surface, and at least one sealing surface positioned in a chan... | 08/01/2006 |
| 6994115 | Thermally actuated microvalve device A microvalve having a generally planar plate valve body defining a chamber and a plate valve member movable in the chamber about a pivot axis that is perpendicular to the valve body to control the flow of a fluid through the valve body. The plate valve member define... | 02/07/2006 |
| 6989729 | Proportional pressure control valve for controlling the pressure level in a hydraulic circuit A proportional pressure control valve (1) for controlling the pressure level in a hydraulic circuit having a push rod (5) as a connection between a control element (13) arranged in the hydraulic circuit and a proportional magnet located in a hou... | 01/24/2006 |
| 6932321 | Balanced-plug cage style control valve and bonnet seal assembly A balance-plug cage style control valve has substantially reduced body-bonnet bolt loading with an elastic seal. The elastic seal assembly includes an annular seal having an elastic region, a compression surface, and at least one sealing surface positioned in a chan... | 08/23/2005 |
| 6902704 | Injection pump assembly for a combinatorial reactor and related method An injection pump assembly 10 in a chemical delivery system for simultaneously delivering reagents into a combinatorial reactor system having multiple injectors. The assembly 10 has a plurality of injectors 12, each injector 12 being in f... | 06/07/2005 |
| 6641110 | Binary balance seal assembly A binary balance seal assembly for use in a balanced pressure valve having a valve housing and a valve plug movable within the housing between an open position and a closed position. The seal assembly comprises an annular primary seal which is adapted to ... | 11/04/2003 |
| 6173785 | Pressure-balanced rod piston control system for a subsurface safety valve A control system for a subsurface safety valve (SSV) comprising of a control line from the surface in fluid communication with the top side of an actuating piston which moves a flow tube downwardly to open the SSV. A balance line runs from the surface to ... | 01/16/2001 |
| 5540259 | Automatically releasable shut-off coupling An automatically releasable shut-off coupling, for use in high pressure fluid applications, has matable and separable stationary and break-away modules forming a housing having a substantially straight throughpassage. An intermediate carrier member is sli... | 07/30/1996 |
| 5133386 | Balanced, pressure-flow-compensated, single-stage servovalve A hydraulic servovalve is controlled electrically through electromagnetic means. Electrical currents applied to force motors determine the relative position of a single, displaceable control assembly within the valve. Displacive movement of the control as... | 07/28/1992 |
| 4930541 | Variable orifice diverter valve The functions of a diverter valve and a variable orifice valve are combined in a single valve including an elongated magnetic member that is pivoted at a first end with a portion of the second end being positioned between opposed restrictors, a coil assem... | 06/05/1990 |
| 4697620 | Sanitary valve assembly A sanitary valve assembly for controlling the flow of hot and cold water, which includes at least two superimposed annular control elements arranged and constructed to provide at least two passgeways therethrough with a control lever operable coupled to o... | 10/06/1987 |
| 4597556 | Rotary valve operating mechanism An operating mechanism for a rotary valve comprises a rack 18 reciprocatable within a housing 10 by an actuator 20 axially movable from outside the housing through an access aperture 30. The rack engages a pinion 14 connectable with a valve stem 16. A bel... | 07/01/1986 |
| 4385642 | Bi-stable electrically operated valve A bi-stable electrically operated valve including a housing having inlet, outlet and return conduits, an intermediate conduit between the inlet and return conduits, a bi-stable electro-mechanical transducer having a flapper slidably mounting a first ball ... | 05/31/1983 |
| 4148337 | Free delivery return valve and associated system A free delivery controlled return valve, of the type employed in fluid power hoisting apparatus, which controls the speed at which a load is lowered as a function of load magnitude. An improved valve structure is disclosed which overcomes false load signa... | 04/10/1979 |
