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| Number | Title | Issue Date |
| 8096319 | Check valve Check valve includes a housing, a bore, and a movable valve body, which is spring-loaded and rests with a sealing action on a valve seat, where the bore is designed as a stepped bore, where the bore with the smaller diameter has the valve seat, and where the bore wi... | 01/17/2012 |
| 7581560 | Check valve A check valve includes a housing with an inlet opening and an outlet opening along with a cage-like insert disposed therein as a support for a spring element and for guiding a closing body which can be moved against the spring element and which can be moved between ... | 09/01/2009 |
| 7441561 | Reinforced valve assembly The present disclosure is directed to a valve assembly comprising a housing and a valve mechanism. The housing includes a pair of support rings connected together with a set of legs. The valve mechanism is supported within the housing and includes an open position a... | 10/28/2008 |
| 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 |
| 7367361 | Eductor apparatus An eductor assembly includes an inlet connectable to a high pressure water source useful in firefighting, an outlet connectable to a fire hose and/or nozzle, and a venturi therebetween. An additive inlet communicates with the venturi so that a chemical additive, suc... | 05/06/2008 |
| 7353842 | Air fitting with an integral check valve An air fitting with an integral check valve includes a housing having an inlet and at least one outlet, a passage extending between the inlet and the at least one outlet with a valve seat being formed in the passage adjacent the at least one outlet with a portion be... | 04/08/2008 |
| 7296594 | Combination check valve and neutral valve assembly for use in a hydraulic component A combination neutral valve and check valve assembly is provided for use in connection with a closed hydraulic circuit and a sump such as in a hydrostatic transmission. A cage and check poppet are mounted in a valve body having an opening between the hydraulic circu... | 11/20/2007 |
| 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 |
| 7201184 | Pressure protection valve A valve is provided having a housing with an inlet and an outlet. Within the confines of the housing is a fluid flow path that allows for fluid communication between the inlet and the outlet. The valve includes a valve element that is movable to and from a position ... | 04/10/2007 |
| 7169214 | High pressure tank A high pressure tank has a cylindrical liner and a fiber reinforced plastic layer which covers the outer surface of the liner. At least one end of the liner is separable. The liner includes a cylindrical liner body and a lid. An O-ring is located between the contact... | 01/30/2007 |
| 7152623 | Fluid jet for providing fluid under pressure to a desired location A fluid jet for providing fluid under pressure to a desired location is disclosed wherein the valve body includes and integral valve element retaining region. Preferably, the valve body and integral valve element retaining region are die cast as a one-piece componen... | 12/26/2006 |
| 7147002 | Modular multi-function fluid flow control device A multi-function fluid flow control device is disclosed. A body houses a filter screen, a check valve and an orifice plate mounted on a frame which is removable from the body as a unit through an opening in the body sealed by a removable plug. The orifice plate is r... | 12/12/2006 |
| 7063102 | Air tap assembly An air tap assembly includes an air pipe having an outer wall formed with a plurality of locking members, and a valve cap rotatably and movably mounted on the air pipe and having an inner wall formed with a plurality of locking members. Thus, the locking members of ... | 06/20/2006 |
| 6978801 | Backflow prevention valve A backflow prevention valve includes a cylindrical case member with an inflow opening at one end and an outlet at the other end or a peripheral surface or both, and a valve member contacting a peripheral edge of the inflow opening for closing the inflow opening. An ... | 12/27/2005 |
| 6978800 | Closure device with self-aligning poppet A closure device used in a fluid dispensing assembly. The closure device contains a housing, a poppet member, and a biasing member. The closure device provides a retaining structure for stabilizing and aligning the poppet member and biasing member within the housing... | 12/27/2005 |
| 6971406 | Backflow prevention valve A backflow prevention valve includes a cylindrical case member having a plurality of holes formed in an upper end at a periphery thereof, a valve member disposed in the case member to be movable in an axial direction thereof, an urging device disposed in the case me... | 12/06/2005 |
| 6968858 | Check valve The check valve according to the invention significantly reduces the generation of noise by producing an asymmetrical circulation around the closing body causing a force resulting from the flow and acting on the closing body to have a transverse component in relatio... | 11/29/2005 |
| 6959718 | Valve There is provided a valve enabling complete prevention of leakage and a backflow and having durability and less noise, and further there may be implemented a valve capable of predicting the tendency of occurrence of damage on the functions of the valve before the fu... | 11/01/2005 |
| 6953053 | Pressure relief valve assembly A relief valve assembly including a valve member, having inlet and outlet bores, for sliding movement within a valve body bore portion, having a cylindrical sleeve portion, journalled via a cylindrical sleeve bearing for substantially the entire axial extent thereof... | 10/11/2005 |
| 6948516 | Excess tire air pressure relief valve An excess tire air pressure relief valve positioned on an automobile tire for relieving the pressure within the tire caused by heat or over inflation. The valve has a main tube that extends through the tire rim, to selectively communicate air from the tire interior ... | 09/27/2005 |
| 6948521 | Check valve device A check valve device includes a valve section of a valve plug arranged in a fluid passage of a body, the valve plug being in a valve-opened state when separated from a seat section, and the valve plug being in a valve-closed state when seated on the seat section, an... | 09/27/2005 |
| 6905318 | Compressor including tapered discharged valve and valve seat A compressor includes a compression chamber for compressing working fluid within an inside thereof, a discharge port, through which the working fluid flows out from the compression chamber, and a discharge valve for opening or closing the discharge port. The dischar... | 06/14/2005 |
| 6851440 | Method of mixing fluids using a valve A thermostatic mixing valve for the mixing of a first fluid and a second fluid is disclosed. The thermostatic mixing valve is configured to produce a mixed fluid of a particular temperature from a first fluid of a temperature higher than or equal to the particular t... | 02/08/2005 |
| 6840271 | Compressor discharge valve retainer A discharge valve retainer is manufactured from powder metal using FLC4608, FL4405, FC0205 or FC0208 material. The finisher retainer has a density of approximately 6.8 to 7.6 gm/cc. The retainer is carbonitrided, quenched and tempered to achieve a surface hardness o... | 01/11/2005 |
| 6840270 | Low deviation pressure relief valve for fuel pumps A low deviation pressure relief valve for a fuel pump consisting of a housing having an elongated bore having a continuous wall, an axis, shoulders arranged on the wall so as to extend toward the axis. A ball in the housing has a diameter at least less than the diam... | 01/11/2005 |
| 6685451 | Valve assembly for sucker rod operated subsurface pumps A valve assembly for an oil pumping system including a shell, a seat affixed in a lower end of the shell, a ball positioned within the shell and having a diameter greater than a diameter of the seat, and a cage positioned within the interior passageway of... | 02/03/2004 |
| 6613220 | Sieve filter for fluid conduits, especially for hydraulic pressure lines in internal combustion engines A sieve filter (1) for fluid lines or conduits which are formed of an annular disk-like fluid inlet (3) and an annular disk-like fluid outlet (4) with a fine mesh filter element arranged there between that is braced by stiffening bars (5), and which has a... | 09/02/2003 |
| 6581632 | Automatic valve In a poppet valve the guide attachment (2) of each sealing member (1) together with the spring (5) is arranged and supported in a cup-like suspension member (8) inserted in a continuous receiving bore (15) in the catcher plate (3) and is guided with its e... | 06/24/2003 |
| 6564828 | Check valve An rear end surface of a slide guide plate 12 extending rearward beyond a valve disc 6 is configured to abut against a rear step surface when the valve disc 6 is moving in a valve-opening direction, thus regulating a movement amount of the valve disc 6. T... | 05/20/2003 |
| 6543478 | Thermostatic mixing valve Check valves for use in fluid conducting structures such as thermostatic mixing valves are provided. Illustratively, the fluid conducting structure provides a passageway defining an axis, and the check valve comprises a cap coupled to the structure, a sea... | 04/08/2003 |
| 6536467 | Valve with increased inlet flow A check valve having a profiled entrance that reduces net positive suction head for piston and plunger pumps. The valve inlet surface has a cross-section that may include a curved portion that corresponds to a portion of a cone, circle, ellipse, hyperbola... | 03/25/2003 |
| 6514232 | Vacuum adjustment valve, particularly for thoracic drainage devices A vacuum adjustment valve, particularly for thoracic drainage devices, which comprises a valve body arranged in the air intake duct and tuning a first region connected to the intake duct and a second region connected to the drainage device. A regulator is... | 02/04/2003 |
| 6435848 | Variable capacity type compressor with check valve A variable capacity type compressor has a swash plate, pistons reciprocating in the cylinder bores, a suction chamber, and a discharge chamber. A check valve arranged in the compressor. The check valve has a valve seat member having a flow passage and a v... | 08/20/2002 |
| 6427711 | Inline check valve An inline check valve having a piston member and a seat in a valve body having a larger diameter at the end thereof away from the piston. The seat is retained within a groove by a seat retainer which prevents removal of the seat from the groove without de... | 08/06/2002 |
| 6279606 | Microvalve device having a check valve A microvalve device for controlling fluid flow in a fluid circuit. The microvalve device includes a body defining a chamber, an inlet port and an outlet port. The inlet port is connected in fluid communication with the chamber and is adapted for connectio... | 08/28/2001 |
| 6234194 | Valve A valve (1, 8, 14) having a valve body (2) that is pressed against a valve seat (5, 11) by the pressure of a valve spring (3) supported against a valve cap (4, 10). The valve is held together in the area of the valve seat (5, 11) by an enclosure member (7... | 05/22/2001 |
| 6227240 | Unitized spherical profile check valve with replaceable sealing element A unitized check valve assembly comprises: a valve body having a bore therethrough, the bore having an inlet and an outlet, a valve disk engaging said body at said outlet, a valve retainer engaging the body and surrounding the valve disk and the outlet; a... | 05/08/2001 |
| 6179589 | Scroll machine with discus discharge valve A scroll compressor includes a discharge valve assembly for blocking compressed refrigerant flow from the discharge chamber through the scroll members. This blocking of flow results in an increased performance for the scroll compressor by minimizing the r... | 01/30/2001 |
| 6164334 | Reed valve retention A valve assembly has a discharge valve member and a suction valve member. One of these valve members includes a reed valve. The reed valve has a tab which is secured to the valve plate by drive studs prior to assembly of the valve assembly to the compress... | 12/26/2000 |
| 6117312 | Filter bypass valve having adjustable spring biasing force A filter device has a bypass valve which releases a fluid-conveying path to an outlet when a filter element becomes clogged. The bypass valve includes a closure part on which at least one closure spring acts. To adjust the spring pretension and the openin... | 09/12/2000 |
