Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 7789102 | Air compressor having a pneumatic controller for controlling output air pressure An air compressor utilizing an electronic control system. A pneumatically controlled regulator is provided for controlling output pressure for an air compressor. Digital gauges are provided on the air compressor to replace conventional mechanical gauges. A variable ... | 09/07/2010 |
| 7677267 | Dunnage airbag inflation circuit The dunnage airbag inflation circuit of this invention includes a pilot valve that is controlled by a pressure sensing line in communication with the dunnage bag, and an arrangement of other valves to allow the dunnage bag to inflate up to a certain preset pressure.... | 03/16/2010 |
| 7363938 | Constant flow valve assembly A dual valve assembly includes two regulating valves. Each valve includes an outer housing comprised of a cap joined to a base. The housing is internally subdivided by a barrier wall into a head section and a base section, the latter being further subdivided by a mo... | 04/29/2008 |
| 7341072 | Oxygen supply system having a central flow control unit The present invention is a centralized flow control unit (CFCU) for regulating oxygen flow in a multiple user emergency oxygen distribution system in passenger aircraft. Upon activation, the CFCU initially allows unregulated flow of oxygen to surge into the distribu... | 03/11/2008 |
| 7287595 | Electric-hydraulic power unit The present invention is directed to an electric-hydraulic power unit. In one illustrative embodiment, the power unit comprises a body having a movable pressure barrier positioned therein, the movable pressure barrier defining first and second chambers therein, a co... | 10/30/2007 |
| 7273205 | Positive pressure actuated aerator valve assembly A positive pressure actuated aerator valve assembly adapted to discharge compressed gas into the chamber of a bulk material handling structure. The aerator valve assembly includes a housing and positive pressure actuated valve. The housing includes a chamber adapted... | 09/25/2007 |
| 7234487 | Cross-over relief valve assembly for use in bi-directional circuit A relief valve assembly (27) for use with first (15) and second (21) conduits, one communicating high pressure. The assembly comprises a housing (29,33) defining first (45) and second (47) ports, and a poppet seat (49... | 06/26/2007 |
| 7204266 | Pilot-operated pressure shut-off valve A pilot-operated pressure shut-off valve having a main control piston which, when an upper system limit pressure in the hydraulic system is reached, connects an inlet, via which pressure medium can be fed to a hydraulic system, to an outlet by taking up a first swit... | 04/17/2007 |
| 7178553 | Leak-resistant solenoid valves A leak resistant solenoid valve comprises a valve body having an interior chamber, an inlet, an outlet, and at least one valve seat and valve plug located in the interior chamber. The valve plug has a sealing surface and is axially movable between open and closed po... | 02/20/2007 |
| 7159610 | Relief valve Disclosed is a relief valve, in which a flow rate of hydraulic fluid is not greatly changed even when temperature is changed, and thus providing smooth operation and preventing foreign materials contained in the hydraulic fluid from being introduced into the relief ... | 01/09/2007 |
| 7147430 | Pneumatic valve control using downstream pressure feedback and an air turbine starter incorporating the same A starter air valve assembly includes a valve body, a flow control valve, a rate control servo mechanism, and a valve actuator. The valve body defines a flow passage having at least an inlet port and an outlet port. The valve is disposed at least partially within th... | 12/12/2006 |
| 7137450 | Electric-hydraulic power unit The present invention is directed to an electric-hydraulic power unit. In one illustrative embodiment, the power unit comprises a body having a movable pressure barrier positioned therein, the movable pressure barrier defining first and second chambers therein, a co... | 11/21/2006 |
| 7134447 | Gas pressure regulator A gas pressure regulator has an inlet for connection to an upstream gas line for flow of gas into the regulator under pressure and an outlet for connection to a downstream gas line for flow of gas out of the regulator at a reduced pressure. A pilot mechanism deliver... | 11/14/2006 |
| 7121523 | Fluid control valve Particularly in an engine that has been inactive for a substantial period of time at a cold temperature, fluid forces acting on moving members, such as electronically-activated fluid control valves, may be significant until the engine warms up. A way to reduce the f... | 10/17/2006 |
| 7086841 | Air compressor with inlet control mechanism and automatic inlet control mechanism An automatic inlet control mechanism and air compressor unit include a valve cavity and valve outlet. The valve cavity includes a valve control chamber and valve inlet chamber. A valve piston assembly is positioned between the valve control chamber and the valve inl... | 08/08/2006 |
| 7080656 | Variable vent diffuser A diffuser apparatus for variably controlling fluid pressure release is provided. The diffuser apparatus includes an aperture for pressure release and an adjustable plug that can variably expose the aperture by adjusting positions in response to internal pressure le... | 07/25/2006 |
| 7066710 | Pneumatic valve control having improved opening characteristics and an air turbine starter incorporating the same A starter air valve assembly includes a valve body, a flow control valve, a rate control servo mechanism, and a valve actuator. The valve body defines a flow passage having at least an inlet port and an outlet port. The valve is disposed at least partially within th... | 06/27/2006 |
| 7044156 | Pipeline protection system A protection system for a pipeline comprises a hydraulically actuated valve operable to switchably prevent a flow of fluid from a first section of the pipeline to a second section of the pipeline, a hydraulic fluid source for supplying hydraulic fluid to said hydrau... | 05/16/2006 |
| 6998724 | Power generation system A system for generating an electrical power output from a subsea installation that includes at least one flowline, wherein the system includes a turbine that is operatively connected to the flowline, the turbine being rotatable by fluid flowing through the flowline,... | 02/14/2006 |
| 6986362 | Pilot operated relief valve Disclosed is a pilot operated relief valve, in which a balance system is provided to offset a tank pressure exerted on a piston, so that a setting pressure of a pilot poppet is not changed even when the tank pressure is changed, and thus a function of the relief val... | 01/17/2006 |
| 6820641 | Internally piloted dome loaded regulator The internally piloted dome loaded pressure reducing regulator includes a regulator body with a main valve portion and a pilot valve portion. The inlet is fluidly connected to the main valve bore which in turn is connected to the pilot valve bore. Each of the pilot ... | 11/23/2004 |
| 6814837 | Controlled gas supply line apparatus and process for infilm and onfilm defect reduction According to one aspect of the disclosure, the present invention provides methods and arrangements for controlling supply process gas to a process chamber for use in the manufacturing industry. Methods include controlling the operation of a valve coupled to the supp... | 11/09/2004 |
| 6802339 | Assembly having a spring-loaded tandem control valve The fitting, in particular a safety valve, operates according to the relief principle or according to the loading principle. The fitting is opened and closed by a plurality of control parts. The control parts are connected in series in the control line of the fittin... | 10/12/2004 |
| 6789566 | Safety contrivance for gas-using device In order to safely close a shut-off device (2) used in a gas supply line (1) in the case of danger, the closing part of said shut-off device is coupled with a pneumatic working cylinder (4) whose actuating piston (3) is maintained in the ... | 09/14/2004 |
| 6772785 | Demand valve for breathing apparatus There is described a demand valve for a breathing apparatus wherein a pilot jet of the demand valve is controlled by a pivoting lever resiliently held against a planar face in which the pilot jet is formed. The pilot jet is preferably formed in a land surface surrou... | 08/10/2004 |
| 6651686 | Valve actuator system An actuator system for a system valve exposable to a source of system pressure. A piston within a sensing vessel is caused to move longitudinally from a first position to a second position in response to a designated system pressure. A first piston stem c... | 11/25/2003 |
| 6644346 | Spring-loaded tandem control valve The fitting, in particular a safety valve, operates according to the relief principle or according to the loading principle. The fitting is opened and closed by a plurality of pilot parts. The pilot parts are connected in series in the control line of the... | 11/11/2003 |
| 6631731 | Flow regulator for water pump A flow regulator for a water pump, comprising a valve body, a control element, a tube, a spring, and a connecting pipe. The valve body is roughly shaped like a cross, enclosing a first chamber and a second chamber in a vertical direction and having a pass... | 10/14/2003 |
| 6604541 | Pilot operated rupture disk A rupture disk assembly comprising two rupture disks which form a chamber. The chamber is connected by a first line to the interior of a vessel on which said rupture disk assembly is mounted and a valve in the line reduces the pressure in the chamber to l... | 08/12/2003 |
| 6604538 | Adjustable fluid flow regulator with adjustment limit An improved adjustable fluid flow regulator having a regulator chamber, a moveable diaphragm within the regulator chamber, a spring that acts upon the diaphragm to regulate the flow of fluid, and a first adjustment member and second adjustment member for ... | 08/12/2003 |
| 6581630 | Pressure control valve A pressure control valve automatically controllable of a set value of a pressure circuit by pilot operation without using an electrical signal, is provided. A pressure control valve include a valve body (30) opposing to a seat surface of a relief port (A)... | 06/24/2003 |
| 6412510 | Wellhead safety valve control system A wellhead safety valve control system for opening and closing subsurface and surface safety valves in a predetermined sequence and certain components used with such control system. Dump valves in both latching and non-latching configurations are utilized... | 07/02/2002 |
| 6308753 | System for loading and unloading fluid tanks containing hazardous fluids A system for transferring a hazardous fluid product from a transport tank (10) of a roadway vehicle (12) to a fixed storage tank (14). A flexible transfer hose assembly (30) has end couplings (34, 36) which are detachably connected between the transport t... | 10/30/2001 |
| 6286534 | Pressure relief valve system including a pilot valve having a radial damper mechanism A pressure relief valve system is provided with particular application for use in conjunction with a pressurized system containing an incompressible fluid. The system includes a main pressure relief valve in communication with the pressurized system and a... | 09/11/2001 |
| 6237693 | Failsafe safety valve and method A subsurface well safety valve having a flow tube telescopically movable in a housing for controlling the movement of a valve closure member. A piston and cylinder assembly actuates the flow tube and is in communication with hydraulic control fluid from t... | 05/29/2001 |
| 6220280 | Pilot operated relief valve with system isolating pilot valve from process media A pressure relief system includes a relief valve for selectively discharging process media from a pressure vessel, a pilot valve for controlling the relief valve, and an isolation system for isolating the pilot valve from the process media. The pilot valv... | 04/24/2001 |
| 6202681 | Vacuum pressure control system In a vacuum pressure control system constituted of a vacuum vessel, a vacuum pump sucking gas in the vacuum vessel, a vacuum proportional opening and closing valve disposed on a pipe connecting the vacuum vessel and the vacuum pump, the vacuum proportiona... | 03/20/2001 |
| 6178997 | Intelligent pressure regulator An intelligent pressure regulator for maintaining a fluid in a process at a predetermined pressure includes an electronic controller which enhances regulator performance and provides self-diagnostics and communications capabilities. The electronic control... | 01/30/2001 |
| 6116268 | Wellhead safety valve control system A wellhead safety valve control system for opening and closing subsurface and surface safety valves in a predetermined sequence and certain components used with such control system. Dump valves in both latching and non-latching configurations are utilised... | 09/12/2000 |
| 6056008 | Intelligent pressure regulator An intelligent pressure regulator for maintaining a fluid in a process at a predetermined pressure includes an electronic controller which enhances regulator performance and provides self-diagnostics and communications capabilities. The electronic control... | 05/02/2000 |
