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 |
| 7331564 | Normally open high flow hydraulic pressure control actuator A solenoid-operated valve includes a valve body defining a valving bore for providing a path of communication between axially spaced inlet and outlet ports. A solenoid assembly is attached to the valve body and includes an inductor coil, a fixed flux guide and an ar... | 02/19/2008 |
| 7325569 | Butterfly valve with integral split flapper relief valve A valve is provided that includes a valve housing, a valve element, and a flapper. The valve housing has a passage. The valve element is rotationally mounted in the passage and moveable between an open position and a closed position. Additionally, the valve element ... | 02/05/2008 |
| 7318592 | Motorcycle steering damper According to the invention, there is provided a steering damper (10) in which the interior of a cylinder (12) is divided into two oil chambers (A), (B) by a piston (14) which slides in the cylinder (12) as a steering operation takes place... | 01/15/2008 |
| 7225826 | Marine fuel tank vent valve The present invention relates to a simple fuel vent assembly for use in inboard and outboard fuel tanks for marine vessels. The vent assembly includes upper and lower portions defining an L shaped interior passageway. The lower portion includes upper and lower valve... | 06/05/2007 |
| 7194857 | Ventilation valve of hydraulic jack A ventilation valve of a hydraulic jack is dedicated to be mounted at an outer wall of an oil storage tank of a hydraulic jack. The hydraulic jack includes a valve seat, a valve ball, and a cap. When the jack is not operated, a valve hole is opened; the vent of the ... | 03/27/2007 |
| 7171981 | Flow control device and system A flow control valve has a ball and an annular seat providing a positive stop for automatically preventing flow through the valve when a line downstream has been broken. The flow control valve is useful for interior applications in which seepage through the valve wo... | 02/06/2007 |
| 7108281 | Stored gas inflator with fill valve assembly An inflator (12) includes structure (40, 50, 82) defining a chamber (130). First and second passages (92 and 116) extend through the structure (40, 50, 82). A burst disk (120) closes the first passage (116). A ... | 09/19/2006 |
| 7104277 | Valve for controlling a tank internal gas pressure The invention concerns a control valve (c) for internal gas pressure of a liquid tank co-operating with an orifice (10) provided in the upper part thereof, allowing through a gas flow outside the tank when the difference between the internal pressure and the ... | 09/12/2006 |
| 7051951 | Sprinkler system control device A sprinkler system including at least one sprinkler head and a source of supply water having a control device located in a fluid flow line between the source of supply water and each sprinkler head for automatically shutting off the flow of supply water through the ... | 05/30/2006 |
| 7033134 | Air turbine starter having a force balanced, pressure energized, weighted check valve An air turbine starter is provided that includes a check valve assembly for placement between a first environment, at least a portion of which is at a first pressure (P1), and a second environment, at least a portion of which is at a second pressure (P | 04/25/2006 |
| 6981516 | Fail save shut off valve for filtering systems employing candle filters The invention relates to an apparatus that acts as a fail save shut off valve. More specifically, the invention relates to a fail save shut off valve that allows fluid flow during normal operational conditions, but prevents the flow of fluids in the event of system ... | 01/03/2006 |
| 6926030 | Apparatus for mixing two fluids or keeping them separate A mixing apparatus for mixing two fluids immediately following contact with each other is disclosed. The mixing apparatus includes a spring-loaded ball valve separating a first fluid from a second fluid. The ball valve closes as a result of at least spring force. Th... | 08/09/2005 |
| 6902702 | Devices and methods for producing microarrays of biological samples The present invention is directed to systems and methods for producing microarrays of biological samples using an improved slide platform, vacuum manifold, and variable pin contact velocity. Slides onto which spotting pins produce the microarray of biological sample... | 06/07/2005 |
| 6840917 | Implantable subcutaneous valve for the treatment of hydrocephalus, and adjusting devices therefor The invention relates to a subcutaneous valve having opening pressure that can be adjusted non-invasively from the outside, said valve comprising a body presenting a chamber with a cylindrical inside side wall, an inlet duct and an outlet duct for cerebospinal fluid... | 01/11/2005 |
| 6543474 | Pressure equalizing check valve A flapper-type anti-siphoning check valve for a domestic water system has an auxiliary valve built into the flapper. The auxiliary valve permits slow reverse flow of water through the check valve when the flapper is closed to prevent build-up of pressure ... | 04/08/2003 |
| 6536328 | Damper valve for hydraulic power-assisted steering system A damper valve (70) located between a control valve (18) and a power steering motor (22) in a hydraulic power-assisted steering system (10). The damper valve (70) comprises a housing (72) having axially opposite first and second end portions (76 and 78) a... | 03/25/2003 |
| 6439506 | Ventilation valve with a breathing channel for a tank container of a helicopter A ventilation valve cooperating with a breathing channel for a fuel tank of a helicopter has a safety device arranged in a valve housing of the ventilation valve. To seal the breathing channel from the tank when a connection between the fuselage cell and ... | 08/27/2002 |
| 6416713 | Fluid dispenser A method of assembly of a fluid dispenser of an apparatus for an automated biological reaction system is provided. In the processing of a biological reaction system, there is a need for consistently placing an amount of fluid on a slide. In order to accom... | 07/09/2002 |
| 6341618 | Plumbing stop valve and method of use A method for installing plumbing fixtures in a multi-story building having a waste stack includes a stop valve between the waste output of each fixture and the waste stack, the valve allowing the waste water to flow from the fixture toward the waste stack... | 01/29/2002 |
| 6314988 | Flood control valve assembly A flood control valve assembly designed to be removably connected to the outer or exposed end of a drain pipe and structured to allow water to enter the drain pipe in the conventional fashion but prevent water from issuing from the open, outer end of the ... | 11/13/2001 |
| 6263912 | Fluid flow control valve A fluid flow control valve within a pop-up sprinkler arrests fluid flow through a riser of the pop-up sprinkler under abnormal flow conditions, such as when the riser is broken or a sprinkler head is removed from the riser. The riser, which is movable rel... | 07/24/2001 |
| 6263911 | Fluid flow control valve A flow control valve arrests fluid flow from a primary line to a branch line when flow into the branch line exceeds a predetermined flow rate. In one embodiment for use with an irrigation system, the valve includes a T-fitting. The fitting defines a prima... | 07/24/2001 |
| 6260575 | Fluid flow control valve A flow control valve arrests fluid flow from a primary line to a branch line when flow into the branch line exceeds a predetermined flow rate. In one embodiment for use with an irrigation system, the valve includes a T-fitting. The fitting defines a prima... | 07/17/2001 |
| 6202678 | Gas discriminating valve for shutting off excessive flow of liquids The present invention is a valve that shuts off only upon excess flow of liquid. A ball is seated within a ball holder. The ball holder has a circumferential side wall. An inlet orifice and one or more circumferential apertures are defined in the circumfe... | 03/20/2001 |
| 6199584 | Fluid flow control valve A flow control valve arrests fluid flow from a primary line to a branch line when flow into the branch line exceeds a predetermined flow rate. In one embodiment for use with an irrigation system, the valve includes a T-fitting. The fitting defines a prima... | 03/13/2001 |
| 6155285 | Gas safety valve A gas safety valve includes a main body having a longitudinal through hole that defines a gas passage. A ball is moved to a position blocking the gas passage when a sudden pressure drop occurs in the outlet end of the gas passage. A connector is mounted a... | 12/05/2000 |
| 6109896 | Piston pump A piston pump for pumping hydraulic fluid, especially for vehicle brake systems having a stepped piston axially displaceable in a pump space. The stepped piston in order to reduce the production costs comprises a cylinder of substantially constant outer d... | 08/29/2000 |
| 6045759 | Fluid dispenser A method and apparatus for an automated biological reaction system is provided. In the processing of a biological reaction system, there is a need for consistently placing an amount of fluid on a slide. In order to accomplish this, several methods are use... | 04/04/2000 |
| 5983928 | Gas safety valve A gas safety valve includes a main body having a longitudinal through hole that defines a gas passage. The longitudinal hole has an inlet end communicated with a gas source, an outlet end through which gas from the gas source exits, a first mediate sectio... | 11/16/1999 |
| 5983935 | LP gas container valve against disasters An LP gas container valve to be mounted on a propane gas container is provided for preventing a fire, explosion or other accident at the time of a disaster. The LP gas container valve comprises a valve body having a valve outlet and a gas passage leading ... | 11/16/1999 |
| 5975130 | Check valve with a low inertia moving part for low or high pressure differentials A check valve having an elongated body with bore therethrough, the bore having a small diameter section abutting a downstream frustoconical section with an increasing diameter, a ball positioned downstream of the small diameter section and movable in the ... | 11/02/1999 |
| 5816313 | Pump, and earth-testable spacecraft capillary heat transport loop using augmentation pump and check valves A spacecraft includes heat-generating payload equipment, and a heat transport system with a cold plate thermally coupled to the equipment and a capillary-wick evaporator, for evaporating coolant liquid to cool the equipment. The coolant vapor is coupled t... | 10/06/1998 |
| 5791374 | Check valve for the pre-combustion chamber of an internal combustion engine A check valve assembly is adapted to be installed in a pre-combustion chamber for an internal combustion engine. The check valve includes a ball closure element which is responsive to normal fuel/air supply pressure to be held in an open position and is r... | 08/11/1998 |
| 5762093 | Fuel overflow restrictor/water intake restraining devices A compact, lightweight, inexpensive surge restrictor for use in the fuel tank vent line of a marine craft includes a housing which defines a chamber having an inlet and an outlet, a baffle member disposed within a flow path through the chamber so that liq... | 06/09/1998 |
| 5662138 | Drop head structure The present invention relates to a water drop structure which not only functions as a water drop but also prevents pests from intruding indoors, smell from leaking indoors, and sewage back flow when the robe is clogged. It has a main body, main drum, cont... | 09/02/1997 |
| 5576486 | Electronic flowmeter system with a stopper against undesirable flows, leak detector and bypass for measuring low flows An electronic liquid flow measuring system has a power source, a main electronic flow meter and a secondary liquid low flow electronic meter connected to bypass the main meter. A microprocessor controls flow measurements and a three-position valve is conn... | 11/19/1996 |
| 5564457 | Vacuum breaker valve with CIP capability A vacuum breaker valve configured for clean in place capability is provided which includes a body having an internal passageway including a chamber, a valve member shiftable within the chamber, and a motive member positioned adjacent an upper end of the c... | 10/15/1996 |
| 5529333 | Apparatus for use in inflating an air bag and method of making the apparatus An apparatus (10) for use in inflating an inflatable vehicle occupant restraint (12) comprises a container (15) for containing inflation fluid. The container (15) has an inner surface (26) which defines an opening extending into the container. A plug (40)... | 06/25/1996 |
| 5400967 | Pressure-compensated self-flushing dripper The dripper and mini-spray include an inlet and an outlet coupled to a housing which defines a substantially spherical, ellipsoidal, or cylindrical chamber. The chamber houses a ball which can roll about the chamber freely, but which is too large to exit ... | 03/28/1995 |
| 5361877 | Diaphragm-type pneumatic brake actuator with closing valve A diaphragm-type pneumatic brake actuator is provided with a closing valve that seals the air pressure line upstream from the diaphragm in response to diaphragm rupture. This isolates the actuator from the pressure line so that the line does not lose pres... | 11/08/1994 |
