Quotables
"The idea that cavalry will be replaced by these iron coaches is absurd. It is little short of treasonous."
Aide-de-camp to Field Marshal Haig ; At a tank demonstration, 1916
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 |
| 8011382 | Bi-modal bleed valve assembly for gas turbine engine A bi-modal bleed valve assembly is provided. In one embodiment, the bi-modal bleed valve assembly includes a housing assembly having a bleed inlet, a bleed outlet, a control servo port, and a control chamber therein. A main flow control valve is fluidly coupled to t... | 09/06/2011 |
| 7735513 | Diaphragm valve with electronic pressure detection A flush valve for a waste water system comprises a valve including a fluid inlet, a fluid outlet and a main valve element adapted for movement to allow fluid flow between the fluid inlet and the fluid outlet based on a pressure differential across a portion of the m... | 06/15/2010 |
| 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 |
| 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 |
| 7124997 | Flush valve assembly with flex tube A toilet room flush valve includes a body with an inlet and an outlet and a valve seat therebetween. A valve assembly in the body is positioned to close upon the seat to control flow from the inlet to the outlet. A cover is mounted upon the body and defines a pressu... | 10/24/2006 |
| 7121297 | Valve arrangement in a hydraulic circuit, use of the same and arrangement for controlling a hydraulic vehicle drive Arranged in a hydraulic circuit is a valve with an L-shaped duct arrangement, which is formed by a transverse duct 2 and a longitudinal duct 3. Formed in extension of the longitudinal duct 3 is a holding and guiding bore 4, in which a thr... | 10/17/2006 |
| 7093605 | Pressure control device for a pipeline A pipeline assembly for transporting a fluid such as oil, gas and water along a fluid path extending in the pipeline has a pressure control device incorporated therein. The pressure control device regulates the pressure of the fluid downstream the pressure control d... | 08/22/2006 |
| 7080655 | Regulator for low concentration corrosive and reactive gases A filter-less regulator is implemented for use in fluid flow systems that process low concentration reactive gases. The regulator includes an inlet, an outlet and a fluid flow path defined between the inlet and outlet by internal surfaces of the housing. The regulat... | 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 |
| 7025083 | Quick closing shut-off valve A quick closing shut-off valve includes an inlet, an outlet and a passage there between. A closing element blocks the passage when in the closed position. The closing element is interconnected to a piston via a pull rod. The piston is positioned within a working cha... | 04/11/2006 |
| 6997165 | Pressure control valve for a fuel system A valve has a housing defining an interior of the valve. The valve has a first passage in the housing and a second passage in the housing. The valve has a flow limiter movable between a first position at which the first passage is in fluid communication with the sec... | 02/14/2006 |
| 6934976 | Toilet flusher with novel valves and controls A tank-type flusher includes an intake valve, i.e., a fill valve, a diaphragm-operated flush valve, and a pressure control mechanism. The intake valve is connected to an external water source and is constructed to close water flow to a water storage tank at about a ... | 08/30/2005 |
| 6935362 | Pilot valve There is provided a pilot valve (50), suitable for use in water and gas supply systems, the valve including biassing means (57), to control a gate (55), for controlling fluid flow through a control chamber (51), and a second chamber (5... | 08/30/2005 |
| 6935363 | Pressure control system for low pressure operation A pressure control system for controlling the pressure of a process fluid stream at a certain location having a pressure regulator disposed in the process fluid stream, through which the process fluid stream flows. A first pilot controller senses the pressure of the... | 08/30/2005 |
| 6932101 | Solenoid valve assembly for controlling gas supply A solenoid valve assembly for controlling gas supply and opening and closing gas supply with a regulation function generally includes a solenoid valve assembly having a housing, a diaphragm assembly, a first and second solenoid valves, a first and second valve bodie... | 08/23/2005 |
| 6923205 | Pressure regulator and shut-off valve A normally closed regulator valve for controlling the pressure of flowing fluid and also for selectively fully enabling or stopping the flow. The regulator valve includes a valve housing having an inlet passage and an outlet passage connected by a flow passage with ... | 08/02/2005 |
| 6901952 | Gas flow regulation system A gas flow regulation module for use in a pressure vessel including a wall with an opening having a minimum opening diameter. The wall defines an interior space in the pressure vessel. The module includes a head portion, a neck portion, and a body portion. The body ... | 06/07/2005 |
| 6895994 | Self-operated protection device for pipeline A protection device which is capable of cutting off a pipeline when the pipeline leaks due to the rupture of the pipe self-operatedly closes the pipeline using fluid kinetic energy. A control rod converts linear movement of a piston into the opening and closing move... | 05/24/2005 |
| 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 |
| 6786231 | Fluid flow regulator with restrictor pin A fluid flow regulator having a chamber comprising a port opening and a tapered pin disposed within the opening, for controllably restricting the cross-sectional flow area through the port. The tapered pin moves relative to the bore of the port that it is disposed i... | 09/07/2004 |
| 6595237 | Pressure regulator for gas transport and distribution plants The invention relates to a gas pressure regulator having a valve, a delivery duct of low pressure gas (Pb), a regulation shutter for the gas delivery flow, a control head of the valve defining an upper chamber [(9)] and a lower chamber. A pilot valve cont... | 07/22/2003 |
| 6540204 | High pressure solenoid pilot valve An improved electrically operated pilot-type, "instant-on" solenoid assembly for near-instantaneous control over the flow of compressed gas. The assembly may be applied in fuel systems for propulsion in vehicles using gaseous fuel. It includes a housing w... | 04/01/2003 |
| 6209577 | Modulating action non-flowing pilot operated relief valve A pilot valve includes a body having a channel formed therein, an inlet chamber formed along the channel, an inlet port in communication with the inlet chamber, a control port in communication with the channel, and a vent port in communication with the ch... | 04/03/2001 |
| 6192924 | Pilot operated relief valve A pilot operated safety relief valve (14) in which a pilot valve (32) controls the opening and closing of the main valve member (26). The pilot valve (32) has a spindle valve member (70) between an intermediate dome fluid chamber (52) and an exhaust chamb... | 02/27/2001 |
| 6035878 | Diagnostic device and method for pressure regulator A diagnostic device and method for an intelligent pressure regulator which maintains a fluid in a process at a predetermined pressure. The regulator includes an electronic controller which enhances regulator performance and provides self-diagnostics and c... | 03/14/2000 |
| 6000637 | High pressure water gun A high pressure water gun for washing electrical insulators and other related articles, which gun has a barrel, a water inlet, a water outlet (nozzle), a pistol grip and a main body portion, which portion communicates with both the inlet and with a lower ... | 12/14/1999 |
| 5988988 | Capacity control valve device for variable capacity swash plate compressors A capacity control valve device for a variable capacity swash plate compressor which includes at least one piston, a suction port, a suction chamber, and a refrigerant inlet passage communicating the suction port with the suction chamber, in which each pi... | 11/23/1999 |
| 5967176 | Automatic flow control valve with variable set-points The invention provides a pilot valve apparatus for use in an automatic fluid control system for maintaining pressure downstream from a main control valve between two setpoints irrespective of flow changes through the main control valve. The pilot valve ha... | 10/19/1999 |
| 5957148 | Valve system having a deadman controlled actuating member in a vented chamber A main valve receives fluid at an inlet and transmits the fluid to an outlet. The main valve has a rear face. A surge control servo valve responds to a load sense signal and moves between a closed position and an open position in which the fluid is transm... | 09/28/1999 |
| 5904333 | Fuel control device and methods of making the same A fuel control device and method of making the same are provided, the fuel control device comprising a housing having an inlet separated from an outlet by a valve seat and having a movable valve member for opening and closing the valve seat, an electrical... | 05/18/1999 |
| 5816286 | Pressure unloading pilot operated regulator having pressure limiting check valve A pressure unloading pilot operated fluid pressure regulator having a throttling element for controlling fluid flow. A pilot amplifier senses regulator outlet pressure and supplies suitable loading pressure coupled from an inlet supply pressure line throu... | 10/06/1998 |
| 5806553 | Fluid pressure control and relief apparatus Fluid pressure above a predetermined limit in a fluid pressure system is reduced by operating a relief valve, having its inlet port connected with the system, in a throttling action. A normally seated valve member is maintained in relief valve closed posi... | 09/15/1998 |
| 5787925 | Pneumatically servoed gas pressure regulator A pneumatically servoed gas pressure regulator capable of providing a relatively wide range of gas flow rates with precision outlet pressure control includes a dome loaded gas pressure regulator and a pressure sensor controller integrated in a single unit... | 08/04/1998 |
| 5743293 | Fuel control device and methods of making the same A fuel control device and method of making the same are provided, the fuel control device comprising a housing having an inlet separated from an outlet by a valve seat and having a movable valve member for opening and closing the valve seat, an electrical... | 04/28/1998 |
| 5738333 | Relief valve A pressure relief valve (10) for a pilot operated fluid system (FIG. 4) for a pressure vessel (12). Pressure relief valve (10) has a valve body (14) forming a valve chamber (16) accessible by upper cover plate (24). A cylindrical housing (32) is mounted i... | 04/14/1998 |
| 5735308 | Automatic constant-pressure regulating lift device The present invention relates to an automatic constant-pressure lift valve provided with a pilot valve unit having an A valve unit and a B valve unit, and an external control force applying means that can be simply adjusted to set a predetermined valve-ou... | 04/07/1998 |
| 5709368 | Hydraulic control valve for fluid metering and cylinder protection A hydraulic control valve for minimizing fluid leakage from a load actuating cylinder and for protecting the cylinder from damage has a composite valve body with a poppet slidably disposed in a bore and biased to the closed position. A pilot spool, contro... | 01/20/1998 |
| 5694975 | Pressure regulator A pressure regulator includes a housing having a chamber that receives a pressure responsive member 30. The pressure responsive member 30 includes an internal charge 90 that allows a movable portion 68 of the regulator to react in response to pressure dif... | 12/09/1997 |
| 5676172 | Relief valve The invention relates to a relief valve and intends to provide a relief valve designed to improve response and operational stability. In an overload prevention safety device in which a main valve element including a pilot valve element in a valve case is ... | 10/14/1997 |
| 5657784 | Control arrangement for actuating a shut-off valve and method of operation A control arrangement (10) for a shut-off valve actuable by vacuum and intended for use in vacuum waste water systems, comprising a first valve (14) which is actuated by static pressure of collected waste water, and including a chamber (56) which can be p... | 08/19/1997 |
