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| Number | Title | Issue Date |
| 7500491 | Sanitary fluid pressure control valve A sanitary fluid pressure control valve, including a valve body having an input side and a discharge side with a restricted chamber therebetween, and a reciprocable plug extending through the restricted chamber with one plug end on the input side and the other plug ... | 03/10/2009 |
| 7445021 | Constant flow valve A regulating 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 modulating assembly into a fluid chamber and a s... | 11/04/2008 |
| 7398793 | Rapidly opening pressure regulating valve, fire extinguishing apparatus using the same, high-pressure gas cylinder apparatus and apparatus for rapidly supplying fluid A rapid opening pressure regulating valve reduced in size and having improved flow rate characteristics, a fire extinguishing apparatus using the same, a high-pressure gas cylinder apparatus, and an apparatus rapidly supplying a fluid. When the rapid opening pressur... | 07/15/2008 |
| 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 |
| 7341073 | Valve member for a balanced pressure reducer A valve member (1) for a balanced pressure reducer, said valve member (1) having a wide head (1′) designed to co-operate with a valve seat (6), said valve member (1) having a central body (2) made of a material that is har... | 03/11/2008 |
| 7341572 | Infusor with flexible sheath An improved ambulatory infusion device for dispensing a fluid into a patient includes a flexible bladder enclosure including a sheath of flexible material having a first open end a closed second end. The first open end of the sheath is affixed to a rigid closure, an... | 03/11/2008 |
| 7334598 | Pressure regulator adaptable to compressed gas cartridge This pressure regulator is specifically designed to operate with a portable compressed gas cartridge thus reducing the high vapor pressure found in compressed gas cartridges down to a substantially consistent outlet pressure. Due to the nature of the crowded regulat... | 02/26/2008 |
| 7264018 | Pressure regulator A variable device for regulating the outlet pressure of a fluid from a valve body, includes a pressure-sensing chamber having a wall formed by a resilient self-restoring diaphragm which is responsive to pressure in the chamber. A valve element connected to the diaph... | 09/04/2007 |
| 7222836 | Self-balancing poppet The present invention is a poppet comprising a stem and a body, with the body having a plurality of channels extending in an longitudinal direction along the periphery of the body. The channels are gas flow conduits that react to the orientation of the poppet and fo... | 05/29/2007 |
| 7213611 | Valve assembly A valve assembly includes a body having a bore and a valve received within the bore for movement between an open position and a closed position. First and second sealing members are secured for movement with the valve and are positioned between the valve and the bod... | 05/08/2007 |
| 7188640 | Gas pressure regulator An improved pressure regulator suitable for use with paint ball guns comprises a hollow valve body, a valve mechanism for selectively releasing gas from a gas source to an output, and an ON-OFF control. The valve body has a coupling portion, a regulator seat, an out... | 03/13/2007 |
| 7165573 | Compressed natural gas pressure regulator A pressure-reducing regulator comprising a regulator body having an inlet port, an outlet port, and a flow path. A valve element is moved relative to a valve seat by a diaphragm assembly to control gas flow along the flow path. The regulator comprises one or more of... | 01/23/2007 |
| 7137236 | Interface pads with proportional valves These interface pads with proportional valves have at least one inflatable member having a foam core with a cell structure that absorbs atmospheric air. The transmission of air into the foam core is controlled by a valve in said opening. Fasteners are used to affix ... | 11/21/2006 |
| 7128086 | Flow control valves In one embodiment, a flow control valve includes a valve body having an inlet, an outlet, a flow passageway coupling the inlet to the outlet, and a cavity with first and second chambers. The valve further includes a hollow piston disposed in the first chamber and a ... | 10/31/2006 |
| 7114520 | Pressure regulator A variable device for regulating the outlet pressure of a fluid from a valve body, includes a pressure-sensing chamber having a wall formed by a resilient self-restoring diaphragm which is responsive to pressure in the chamber. A valve element connected to the diaph... | 10/03/2006 |
| 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 |
| 7004192 | Gas pressure regulator An improved pressure regulator suitable for use with paint ball guns comprises a hollow valve body, a valve mechanism for selectively releasing gas from a gas source to an output, and an ON-OFF control. The valve body has a coupling portion, a regulator seat, an out... | 02/28/2006 |
| 6938642 | Pressure regulator A variable device for regulating the outlet pressure of a fluid from a valve body, includes a pressure-sensing chamber having a wall formed by a resilient self-restoring diaphragm which is responsive to pressure in the chamber. A valve element connected to the diaph... | 09/06/2005 |
| 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 |
| 6923197 | Pressure regulator with tamper-proof safety feature A pressure regulating system having a tamper-proof safety feature. A pair of seats are mounted to an annular pipe. A first bleed pipe, with a fixed restriction, extends from an inlet conduit to a first chamber. The first chamber is separated from a second chamber by... | 08/02/2005 |
| 6892755 | Pressure regulator for infusor An improved ambulatory infusion device for dispensing a fluid into a patient includes a flexible bladder enclosure having a first open end a closed second end. The closed second end of the sheath is free to conform to the body of the patient so that the device is co... | 05/17/2005 |
| 6874521 | High to low gas flow regulator A diaphragm operated regulator valve usable, e.g., for maintaining a preset gas pressure in a potable storage container, provides particularly effective at gas flow regulation as well as pressure regulation. The use of the word “fluid” as used herein can encompa... | 04/05/2005 |
| 6866061 | Back pressure valve with dynamic pressure control A back pressure valve, comprises: a first housing including a first chamber formed therein having an inlet and an outlet for a first fluid; a second housing including a second chamber formed; a flexible diaphragm having an outer peripheral edge portion abutting the ... | 03/15/2005 |
| 6860287 | Variable flowrate regulator Variable flowrate regulators of this invention r comprises a regulator body having a fluid transport chamber disposed therethrough. Fluid inlet and outlet ports are in fluid flow communication with the chamber, and a valve seat is positioned at one end of the chambe... | 03/01/2005 |
| 6705343 | Pressure regulator with internal filter The pressure regulator has a regulator body with a control chamber and outlet and inlet passageways opening thereto, a bonnet with a bonnet chamber and a diaphragm separating the chambers. A filter housing is mounted in the control chamber and mounts a filter and a ... | 03/16/2004 |
| 6619308 | Pressure regulator A variable device for regulating the outlet pressure of a fluid from a valve body, includes a pressure-sensing chamber having a wall formed by a resilient self-restoring diaphragm which is responsive to pressure in the chamber. A valve element connected t... | 09/16/2003 |
| 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 |
| 6439262 | Pressure-adjusting mechanism Disclosed is a pressure-adjusting mechanism comprising a pressure-adjusting handle, a pressure-adjusting screw for adjusting resilient force of a spring member by making rotation integrally with the pressure-adjusting handle, and a pressure-setting scale ... | 08/27/2002 |
| 6363964 | Adjustable pressure regulator An adjustable pressure regulator for controlling the delivery of a gas from a high pressure source to a low pressure device at a predetermined outlet pressure includes a body having an inlet port and an outlet port and defines a flow path therebetween. An... | 04/02/2002 |
| 6305415 | Fluidic pressure regulator A fluid pressure regulator is disclosed including a valve body and a control body sealed within a tubular outer housing. The valve body has a supply chamber and an output chamber separated by a valve wall. A valve rod extends through the valve wall with a... | 10/23/2001 |
| 6289925 | Regulator The opening and closing operations of a poppet valve are stabilized by preventing a diaphragm and the poppet valve from being inclined so that the pressure adjusting accuracy of a regulator is increased. For that purpose, the diaphragm is fitted with a pi... | 09/18/2001 |
| 6286544 | Regulator A regulator for adjusting the pressure of a pressurized fluid wherein when a valve seat is fitted with a seat holder in a compressed state wherein excessive deformation of the valve seat due to a compressing reaction force is eliminated by the provision o... | 09/11/2001 |
| 6273117 | Pressure regulator A device for regulating the outlet pressure of a fluid from a valve body, includes a pressure-sensing chamber having a wall formed by a resilient self-restoring diaphragm which is responsive to pressure in the chamber. A valve element connected to the dia... | 08/14/2001 |
| 6237624 | Seat valve A seat valve for regulating hydraulic pressure to an adjustable value comprises: a valve seat located between a first chamber having not regulated high pressure and a second chamber having said regulated pressure with said regulated value, a seat valve cl... | 05/29/2001 |
| 6209578 | Constant flow valve A regulating valve is disclosed for controlling the flow of fluid from a variable pressure fluid supply. The valve includes a diaphragm which is resiliently biased into a normally closed position, and which shifts to an open position when exposed to a flu... | 04/03/2001 |
| 6176256 | Gas pressure-reducing valve A gas pressure-reducing valve in which a valve member to be seated on a valve seat having a valve hole opened at its central portion and leading to a pressure-reducing chamber between a body and a diaphragm is fixed on a valve stem connected to the centra... | 01/23/2001 |
| 6161573 | Air pressure regulator The present invention relates to an air pressure regulator, characterized in that a regulator made of a piston body connected with a return spring is disposed at the top of a main body, wherein the high-pressure gas flowing from the primary pressure chamb... | 12/19/2000 |
| 6155290 | Gas pressure-reducing valve A gas pressure-reducing valve in which a valve member to be seated on a valve seat opened at its central portion with a valve hole leading to a pressure-reducing chamber between a body and a diaphragm is fixed on a valve stem coaxially extending through t... | 12/05/2000 |
| 6073649 | Adjustable flow limiter An adjustable flow limiter for adjustably limiting flow, for example through the vent of a diaphragm-type fluid flow regulator. The adjustable flow limiter has a housing with a compartment therein, and first and second ports communicating with the compart... | 06/13/2000 |
| 6062258 | Gas pressure regulator having burn-out protection system A gas pressure reducing regulator which includes a flexible diaphragm which is biased by a spring so as to control the opening of the valve of the regulator and thus the delivery pressure of the gas being regulated. The regulator includes a system for eff... | 05/16/2000 |
