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A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.
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| Number | Title | Issue Date |
| 8371552 | Shift actuator valve having a pressure dead band A valve assembly having a pressure dead band includes a first valve or sleeve slidably disposed within a valve body. A second valve is partially slidably disposed within the first valve and partially slidably disposed in the valve body. A plurality of fluid passages... | 02/12/2013 |
| 8336849 | Conical seat shut off valve A valve includes a housing defining a bore having an inlet and extending along a longitudinal axis. A head is attached to the housing and defines a head passage having an outlet. A piston is disposed within the bore and includes a piston passage extending through th... | 12/25/2012 |
| 8313082 | Proportional position feedback hydraulic servo system A system for positioning a device such as a valve with a mechanical input using a fluid operated actuator, a mechanical position feedback member coupled to a feedback element of the fluid operated actuator and an activation fluid valve. The fluid operated actuator h... | 11/20/2012 |
| 8113482 | Microvalve device with improved fluid routing A microvalve device for controlling the supply of pressurized fluid to a load in a fluid circuit, and having multiple internal fluid conduits for providing pressure feedback. ... | 02/14/2012 |
| 8091857 | Valve A valve assembly (10) to regulate the flow of a refrigerant. The valve assembly (10) includes a movable valve member (25) to which there are attached two pistons (29 and 30). A refrigerant under pressure is applied to the pistons (... | 01/10/2012 |
| 8087637 | Self-regulating valve for controlling the gas flow in high pressure systems A controlled pressure release valve controls the gas flow in high-pressure systems. The valve includes a valve body, a slidable spool, a primary flow passage, a first and second chamber, a first and second spring, a first and second passages, and a valve actuator. T... | 01/03/2012 |
| 8011639 | Poppet type flow control valve A valve of the invention includes a valve body having an inlet, an outlet, and a flow passage connecting the inlet and outlet, the inlet, the outlet and the flow passage being in general axial alignment within the valve body. A valve seat surrounds the flow passage ... | 09/06/2011 |
| 7367358 | Medical fluid delivery system and method relating to the same A medical fluid delivery system for the use in the delivery of medical fluids. The medical fluid delivery system may include a pumping system, a disposable medical fluid line set and a valve operating system. The disposable tubing line set may include valves adapted... | 05/06/2008 |
| 7328817 | Device for dispensing a heated liquid A device for dispensing a heated liquid, such as a hot melt adhesive, which includes a dispenser body adapted to dispense the heated liquid, a solenoid valve, and a pneumatic section including a housing coupled between the solenoid valve and dispenser body. The pneu... | 02/12/2008 |
| 7182315 | Exhaust-gas recirculation valve An exhaust-gas recirculation (EGR) valve (10) comprises a valve opening (14), a valve member (16) that can be moved between a position which closes the valve opening (14) and a position which releases the valve opening (14), and fu... | 02/27/2007 |
| 7150299 | Assembly and method for containing, receiving and storing fluids and for dispensing gas from a fluid control and gas delivery assembly having an integrated fluid flow restrictor A fluid control and gas delivery assembly and method for containing, receiving and storing hazardous fluids and for dispensing gas comprising a container, a fluid fill path, a gas dispensing path, a first shut-off valve, a pressure reducer, a fluid flow restrictor, ... | 12/19/2006 |
| 7063517 | Valve apparatus and pneumatically driven diaphragm pump incorporating same A valve apparatus and pneumatically driven diaphragm pump incorporating same having a valve body having a longitudinal axis and an actuator having an axis with a first end and a second end. The first and second ends have first and second diaphragms, respectively, di... | 06/20/2006 |
| 7028705 | High torque failsafe valve operator A fluid valve operator for moving a moveable valve element such as a disc (14) that is pressed forcefully against a surface of a valve frame (12). The valve operator includes first and second electric gear reduction motors (22, 24) that each has... | 04/18/2006 |
| 7025325 | Flow control valve Disclosed is a flow control valve capable of controlling a flow amount of air, gas or fluid inside a pipe. The flow control valve has a relatively simple structure, which can reduce manufacturing expenses, minimize malfunction and wrong driving, and allow a rapid re... | 04/11/2006 |
| 7021605 | Regulator valve A control valve (1) comprises a housing (2) manufactured by a pressure die casting process, whose housing edges of upper semicircular bore hole are located exactly vertically above housing edges of lower semicircular bore hole and for this reason, the ... | 04/04/2006 |
| 7017886 | Sliding gate valve A sliding gate valve, a sealing gasket for the valve, and a method of assembling the valve that may be used to govern the flow of a fluid such as a liquid or a gas. The sealing gasket may be characterized as having a circular portion, two connector portions, and a s... | 03/28/2006 |
| 7013916 | Sub-atmospheric gas delivery method and apparatus An apparatus for containing and delivering hazardous gases at sub-atmospheric pressure from a pressurized container is provided which includes a valve body in sealed communication with an outlet orifice of the pressurized container. The outlet orifice of the pressur... | 03/21/2006 |
| 7011289 | Valve A sliding spool valve (1) is provided for controlling flow of fluid especially between an inlet (2) at a relatively high pressure and an outlet (6) at a relatively low pressure. Wherein the spool valve is reciprocally displaced between open and ... | 03/14/2006 |
| 6991210 | Actuator for driving a valve The purpose of this invention is to provide an actuator for valve driving without enlarging its size, without increasing the cost, and without reducing the pressure receiving area of the pistons. In order to achieve the purpose, the present invention comprises the l... | 01/31/2006 |
| 6983803 | Equalizer valve and associated method for sealing a fluid flow A dirty fluid valve for sealing high differential fluid pressures in a drilling environment and methods for using such a valve is disclosed. One embodiment of the valve includes a seal cartridge having several openings for directing a fluid path through the cartridg... | 01/10/2006 |
| 6974114 | Double valve flusher A double valve flusher includes a body, a separating plate, an upper and a lower valve base, a movable valve, a film valve, a fixing member, and an electromagnet. An upper leak room is formed between the film valve and the upper valve base. A leak room is formed bet... | 12/13/2005 |
| 6953047 | Cabinet for chemical delivery with solvent purging The present invention is an apparatus for storing and delivering a low vapor pressure process chemical to a process tool for semiconductor fabrication, comprising: a) a bulk container for storing the process chemical; b) a process container for delivering the proces... | 10/11/2005 |
| 6860464 | Electromechanical/pneumatic rocket engine valve actuator A valve actuator assembly is provided for selectively opening and closing a valve. The valve actuator assembly includes a primary motor and secondary motor both operatively coupled to an output shaft and adapted to receive valve position commands and operable, in re... | 03/01/2005 |
| 6854478 | Fluid-controlled valve for pipeline pig A fluid control valve for a pipeline pig includes a main valve and a mechanism for operating the main valve. The main valve comprises a valve body communicated to a fluid pipe, a main valve core movably disposed in the inner chamber of the valve body, and a main val... | 02/15/2005 |
| 6840494 | Gate valve with flow-through gate A closure member for a tubing hanger which is suspended in a tubing spool and which comprises an elongated body having an annulus bore that extends generally longitudinally therethrough, the annulus bore comprising at least a first branch which is in fluid communica... | 01/11/2005 |
| 6830229 | Two-stage valve suitable as high-flow high-pressure microvalve A two-stage valve for controlling the flow of fluid from a pressurized fluid supply with an upper main body including a cavity with a contoured inner surface; a lower main body with at least one flow exhaust passage forming a primary flow path through the two-stage ... | 12/14/2004 |
| 6729302 | Fuel injection system for an internal-combustion engine A fuel injection system for an internal-combustion diesel engine has a fuel injector, typically one of several, supplied by way of a high-pressure fuel line with highly pressurized fuel for the injection of the fuel into the combustion space of the internal-combusti... | 05/04/2004 |
| 6719263 | Multi-piston valve actuator A pressurized-fluid-operated actuator has multiple piston surfaces for providing increased output force. The actuator includes a stationary cylinder that contains a movable cylinder having multiple inner chambers separated by stationary inner pistons. The inner cham... | 04/13/2004 |
| 6672088 | Self-contained regulating valve, and compression type refrigerating machine having the same A self-operated regulating valve has a spool (13) moving axially in an internal space of a cylindrical valve body (11). One pressure P1 acts on one end surface of the spool (13), and other pressure P2 acts on the other surface of the... | 01/06/2004 |
| 6612537 | Cartridge gate valve The present invention is directed to a compact and modular gate valve comprising an elongated body which comprises first and second ends, a hole which extends longitudinally between the first and second ends, a first opening which communicates with the ho... | 09/02/2003 |
| 6557820 | Two-stage valve suitable as high-flow high-pressure microvalve A two-stage valve for controlling the flow of gas from a pressurized gas supply with an upper main body including a cavity; a lower main body with at least one flow exhaust passage forming a primary flow path through the two-stage valve; a pre-stressed di... | 05/06/2003 |
| 6453932 | In-line valve A flow control valve is made from a one-piece housing which defines a substantially linear flow path. The housing comprises deformable portions coupled to a valve seat and a poppet to allow relative motion therebetween for opening and closing the valve. T... | 09/24/2002 |
| 6386508 | Actuator having dual piston surfaces A pressurized-fluid-operated actuator has two piston surfaces for providing increased output force. The actuator includes a hollow piston that is divided into two inner chambers by a stationary inner dividing wall that is rigidly connected with a cylinder... | 05/14/2002 |
| 6273135 | Fuel flow control apparatus A high pressure fuel system includes tapped high pressure flows (22,24) with restrictors (44,46) to provide low pressure flows with which, via a valve (50) to enable either a low pressure flow to bias a main, high pressure fuel cut off valve (16) to close... | 08/14/2001 |
| 6202671 | Control valve for cryogenic liquid propellant A valve for controlling flow of cryogenic liquid propellant in a rocket engine comprises a double acting piston-cylinder unit having a first position in which the valve is closed and a second position in which the valve is open, a locking device being eng... | 03/20/2001 |
| 6173740 | Highly versatile fluid-actuated valve control actuator A fluid-actuated valve control actuator, comprising a body in which two mutually opposite pistons are accommodated, each piston being provided with a rack and being adapted to engage a shaft for actuating a stem of a valve, wherein an end of the actuation... | 01/16/2001 |
| 6173938 | Two speed air cylinder for slit valve motion control A multi-speed slit valve apparatus and method of actuating a slit valve apparatus at least at two distinct speeds is provided. The slit valve apparatus includes a pneumatic cylinder 210 having a primary channel 254, 266 and auxiliary channel 258, 270 at e... | 01/16/2001 |
| 6170524 | Fast valve and actuator A fast-acting valve includes a valve body and a spool slidably mounted within the valve body between first and second limit positions. Both the spool and the valve body have a flow passage which come into alignment with the valve spool at a position inter... | 01/09/2001 |
| 6155531 | Proportional control value A proportional control valve has inlet and outlet solenoids controlling the pressurization and evacuation of a chamber between two pistons in a control valve of the rack and pinion opposed-piston type. The control valve can be maintained in fully open, fu... | 12/05/2000 |
| 6102362 | Gas motor actuator A gas motor actuator is provided for opening or closing an actuated valve, such as a pipeline valve, using power gas, which is a gas under pressure. The gas motor actuator includes a gas turbine motor, a high-volume shuttle valve coupled to the gas turbin... | 08/15/2000 |
