Quotables
"Inventing is a combination of brains and materials. The more brains you use, the less material you need."
Charles Kettering
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8020584 | Variable valve for impact dispersal device A variable valve for impact dispersal of a force, such as a force caused by an impact or explosion. The apparatus includes a valve with a spring biased piston that engages an outlet bore as the piston moves in response to the pressure of a fluid at an inlet port. Th... | 09/20/2011 |
| 7832422 | Valve A valve includes a valve element; a valve seat; a coil spring; and a spring bearing portion. The coil spring, provided between the valve element and the spring bearing portion, presses the valve element toward the valve seat. An effective upper winding end of the co... | 11/16/2010 |
| 7721756 | One-piece spring and poppet incorporated into a valve seat assembly and associated method for manufacturing a one-piece spring and poppet A combined spring and poppet assembly incorporated into a valve housing which communicates with a fluid inlet and outlet. The integral assembly includes an elongated and three dimensional shaped, resilient body positioned in linearly displaceable fashion within the ... | 05/25/2010 |
| 7546849 | Rotating bonded valve assembly Apparatus and methods for constructing a valve assembly comprising an anti-friction ring. The anti-friction ring allows a closure member in the valve assembly to more freely rotate during operation of the valve assembly. Consequently, the closure member strikes a se... | 06/16/2009 |
| 7469714 | Valve, especially a gas safety valve A valve, especially a gas safety valve includes a fluid-guiding path (32) that can be sealed by a sealing device (30) provided with a sealing surface (34). The sealing surface can be brought against an abutment surface (36) of an abutment... | 12/30/2008 |
| 7428910 | Breathable fire hydrant rod The present invention relates to methods and devices for providing a fire hydrant actuator rod with additional structure for allowing air to reach the area of a fire hydrant below a secondary valve. Various embodiments include an actuator rod with openings and hollo... | 09/30/2008 |
| 7426932 | Spray fill device and method for using the same A spray fill device for delivering water to a washing machine is provided. The spray fill device includes a body defining an inlet, an outlet port, a mounting port, and a plurality of outlet apertures in flow communication with the inlet. The spray fill device also ... | 09/23/2008 |
| 7367354 | Check valve A check valve includes a housing formed with a valve hole through which fluid flows, a valve seat formed on the peripheral wall of the valve hole, a valve element disposed in the valve hole to be movable between a valve closed position where the valve element makes ... | 05/06/2008 |
| 7367356 | Oil flow control valve for a cam phaser An oil flow control valve (10) for a cam phaser is described comprising a spool (18), a spool housing (16) and a check valve (40), wherein the spool (18) comprises a throughbore (60) and the check valve (40) is mounte... | 05/06/2008 |
| 7367353 | Combined check valve and pressure relief valve A combination check valve and pressure relief valve is provided for use in regulating the flow of fluid between a first fluid side and a second fluid side. The valve may include a valve body, a valve insert positioned within an aperture of the valve body, a check po... | 05/06/2008 |
| 7360557 | Low pressure drop check valve A check valve includes a valve housing having a first housing portion including an inlet and a second housing portion having an outlet. A poppet valve is received in the housing and includes an outer surface having a diameter greater than the diameters of the inlet ... | 04/22/2008 |
| 7357792 | Positive push medical valve with internal seal A medical valve having an open mode to permit fluid flow and a closed mode to prevent fluid flow has a body and a valving element within the interior of the body. The body also has a valving element within its interior, and a proximal port and a distal port. The val... | 04/15/2008 |
| 7344367 | Rotary compressor having a discharge valve A rotary compressor having a housing, a rotor positioned within the housing defining a compression chamber, the rotor rotatable about an axis of rotation, a discharge port in the rotor in fluid communication with the compression chamber, and a valve assembly mounted... | 03/18/2008 |
| 7341210 | Nozzle cap for sealing nozzle particularly used to charge with high pressurized fluid A nozzle cap is disclosed which is threadedly engaged with a distal end of a nozzle through which a compressed fluid is passed. The nozzle cap includes a terminal wall opposed to a distal end face of the nozzle axially with respect to the nozzle, a sealing member pl... | 03/11/2008 |
| 7331361 | Pressure relief valve with direct hydraulic damping To protect hydraulic assemblies, in particular to protect hydraulic brace systems, pressure relief valves 1 are used, the closing part 10 of which is formed by a piston 15, which is connected to the connection 4, and the valve spring reta... | 02/19/2008 |
| 7329339 | Strainer device for fuel tank A strainer device for a fuel tank includes a sucking passage member provided with a passage opened in the fuel tank; a filtering member attached to the sucking passage member for covering a hole of the passage; and a conduit connecting portion extending outside the ... | 02/12/2008 |
| 7320336 | Plug incorporating pressure-sensitive valve A plug which is insertable into a outlet from a vessel, to seal the vessel so that it may hold liquid. To prevent overflow, the plug has an in-built valve which automatically opens when it experiences a predetermined threshold pressure. The threshold pressure can be... | 01/22/2008 |
| 7320456 | Valve device A valve element for opening and closing a flow path can be reliably set to an opening position and a closing position. The valve element for opening and closing a communication opening portion communicating with an inflow hole and an outflow hole is provided in a va... | 01/22/2008 |
| 7308909 | High pressure three way valve A solenoid operated valve includes a fluid inlet and a fluid inlet, a common port, a normally open port and a normally closed port combined on an end cap. The valve further includes a coil housing that houses two coils, a first coil and second coil, that are in para... | 12/18/2007 |
| 7293579 | Poppet valve arrangements A poppet valve arrangement is provided and has a poppet slideably disposed therein. The poppet has an odd number of integral guide legs formed thereon about the periphery of the poppet. The odd number of integral guide legs are evenly spaced from one another and are... | 11/13/2007 |
| 7291134 | Medical connector A needleless connector for adding medication to a parenteral fluid is provided. The needleless connector comprises a connector adapted to receive a syringe and having a check valve to seal the port in place of a puncture pad. The check valve comprises a resilient di... | 11/06/2007 |
| 7290562 | Non-return valve What is disclosed is a non-return valve comprising a sealing piston which is biased against a valve seat in the basic position inside a valve housing, and which is manufactured by a plastics injection molding technique. ... | 11/06/2007 |
| 7290559 | Check valve for a high-pressure pump of a fuel injection system for an internal combustion engine A check valve having a valve housing inserted into a receptacle in which housing a pistonlike valve member is guided longitudinally displaceably and cooperating with a valve seat on the valve housing. The valve member is urged in the closing direction by a prestress... | 11/06/2007 |
| 7287546 | Simple structure of fuel pressure regulator designed to minimize pressure loss A fuel pressure regulator for use in internal combustion engines. The fuel pressure regulator includes a valve seat and a vale body disposed downstream of the valve seat and is designed to move the valve body away from the valve seat through the pressure of fuel app... | 10/30/2007 |
| 7284568 | Safety valve unit A safety valve unit permits its user to perform an adjustment of the valve unit in cracking pressure from the outside in an easy and an adequate manner without disassembling any part of the valve unit in a condition in which the valve unit remains inline-connected w... | 10/23/2007 |
| 7284962 | Micropump This invention provides a fluid pump using perforate elements and closure elements which are alternately displace and relates particularly but not exclusively to miniature fluid pumps and pumps suitable for delivery of liquid pharmaceutical formulations. In the art ... | 10/23/2007 |
| 7270147 | Adjustable variable flow fertilizer valve A valve assembly comprising a body member forming a channel having first and second ends, forming a seat surface within and at the first end of the channel about an orifice that faces in the direction of the second end, the channel forming a first coupler at the sec... | 09/18/2007 |
| 7258134 | Combination check valve and pressure rise rate valve A combination check valve and pressure rise rate valve is provided for regulating the flow of fluid between a first fluid side and a second fluid side. The valve may include a valve body, a valve insert positioned within an aperture of the valve body, and a check po... | 08/21/2007 |
| 7249664 | Fan drive having pressure control (fluid) of a wet friction fan drive A hydraulically controlled fan drive system (12) having a method of engagement includes a housing assembly (20) containing a hydraulic fluid (48) and an engaging circuit (36). The engaging circuit (36) includes a pitot tube (152... | 07/31/2007 |
| 7234586 | Self-cleaning foodstuff conveyors A conveyor suitable for use, e.g., in food processing apparatus, includes particular procedures and arrangements for decontaminating the surface of the conveyor. The conveyor surface is subject first to a mechanical cleaning, e.g., by spraying of liquid followed by ... | 06/26/2007 |
| 7231797 | Calking die and calked heel A calking die for calking a component in a receiving bore, in particular for calking a securing flange in a stepped receiving bore of a valve block of a traction-controlled vehicle brake system, having an end face oriented toward the component, which face can be bro... | 06/19/2007 |
| 7231938 | Check valve for pump of electronically controlled brake system A check valve for a pump of an electronically controlled brake system includes a valve body provided with a fluid path, a spring seat placed in an outlet of the fluid path of the valve body, a valve rod fitted at a lower end thereof into an inlet of the fluid path o... | 06/19/2007 |
| 7228869 | Pressure limiting valve What is disclosed is a a pressure limiting valve comprising a valve body, the axial movement of which is damped by means of a damping device. In accordance with the invention, the damping device includes a damping chamber formed on the return side, that is subjected... | 06/12/2007 |
| 7185671 | Angled dual check valve Poppet valve installation or removal is simplified through the use of a unitary poppet assembly that may be accurately placed into a valve body through an access opening and wherein the poppet is slidably mounted in a stem in an insert while being permanently affixe... | 03/06/2007 |
| 7182171 | Muffler with variable acoustic properties A muffler with variable acoustic properties. A pressure cell with a diaphragm, a spring, a piston, a piston rod, a closing element on the piston rod, and a pressure connection line are integrated into a housing. The diaphragm is thermally insulated against the pisto... | 02/27/2007 |
| 7168446 | High impact discharge valve A check valve for use in a pump. The valve is arranged to be subjected to severe service conditions and high impact loads, yet be resistant to damage to its components. The check includes a body, a valve seat, a poppet and an impact cushion. The poppet is movably co... | 01/30/2007 |
| 7163189 | Tapping valve of plastics material for transport and storage containers for liquids A tapping valve of plastics material for transport and storage containers for liquids, which is constructed as a flap valve or ball valve, includes a valve housing with an inlet connection connectable to an outlet connection of the liquid container and an outlet con... | 01/16/2007 |
| 7159613 | Pressure limiting valve in a hydraulic machine having a pressure limiting valve In the housing 1 of a hydraulic machine, the pressure Pi acts in the chamber 2. For this purpose, a passage opening 4 is provided, which is formed as a valve seat 5. A valve body 6 can be displaced longitudinally in the housing ... | 01/09/2007 |
| 7134449 | Flow control valve with device for indicating the status of a fluid, particularly for gas containers A valve body is provided with at one end with a threaded shank for hermetic coupling to a gas container. The valve body is further provided with a handwheel incorporating a gas status indicator device. That device includes a spring-loaded plunger having a head and a... | 11/14/2006 |
| 7125230 | Valve with operation parameter set at assembly and pump using same A valve is assembled by telescoping a first body component relative to a second body component until reaching a relative position that corresponds to a predetermined valve operation parameter, such as a valve opening pressure. The first body component is then fixed ... | 10/24/2006 |
