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| Number | Title | Issue Date |
| 8047503 | Conical spring bushing A bushing for positioning between a first component and a second component is disclosed. The bushing comprises a conical body that includes a first edge, a second edge, and at least one slot extending from the first edge toward the second edge. The slot or slots fac... | 11/01/2011 |
| 7762521 | Semi-active compressor valve A method and system for fine-tuning the motion of suction or discharge valves associated with cylinders of a reciprocating gas compressor, such as the large compressors used for natural gas transmission. The valve's primary driving force is conventional, but the val... | 07/27/2010 |
| 7510165 | HVAC door decelerator system with reduced noise A door decelerator system reduces or prevents undesirable limits of audible door noise in an HVAC unit. The system includes a door, movable between end or stop positions; and a kinematics lever connected to the door at a common axis of rotation or the kinematics lev... | 03/31/2009 |
| 7422193 | Solenoid valve A solenoid valve is provided that includes an inlet, an outlet, a valve seat in the flow path between the inlet and the outlet, a stationary core, and a moveable member for moving between an open position and a closed position against the valve seat. A resilient dam... | 09/09/2008 |
| 7392972 | Ceramic valve structure with slow-descending device The ceramic valve structure has a slow-descending device between the valve stick and the valve shaft base. The slow-descending device mentioned herein includes a piston, a piston slot and sealer, and the piston slot is placed on one side of the valve shaft base. A v... | 07/01/2008 |
| 7369023 | Method for manufacturing a magnet armature A method for manufacturing magnet armatures which are used mainly in brake-pressure modulators of electronically controlled brake systems and which are provided on their entire surface with a plastic coating, for reasons of dimensional stability and sliding properti... | 05/06/2008 |
| 7354027 | Bounce-free magnet actuator for injection valves The invention relates to a magnet valve for actuating a fuel injector, having a magnet core and magnet coil received in the core. A closing spring acts on the magnet armature in the closing direction. An outlet gap for an actuating fluid is formed between a face end... | 04/08/2008 |
| 7350539 | Electromagnetic controlled fuel injection apparatus with poppet valve An electromagnetic controlled fuel injection apparatus has a poppet valve which controls the beginning and end of fuel injection by reciprocation. Inertia force and friction force arising from the reciprocating motion of the poppet valve are utilized effectively to ... | 04/01/2008 |
| 7325563 | Electromagnetic valve An electromagnetic valve generally has a housing, a valve element, an electromagnetic driving portion and a filter. The housing forms a fluid flow passage therein. The valve element is installed in the housing to control a flow of a fluid through the fluid flow pass... | 02/05/2008 |
| 7302961 | Surge relief valve A surge relief valve comprising a main valve body having a dome port and an inlet port. The inlet port is in fluid communication with a first fluid. The invention further includes a dome reservoir connected to the main valve body via the dome port and arranged to ho... | 12/04/2007 |
| 7284978 | Brake for molding machine valve Disclosed is a device configured for a valve. The valve has a valve structure that is configured to include an outlet body configured to define an outlet. The outlet body is also configured to attach to a melt processing screw of a molding machine. The valve structu... | 10/23/2007 |
| 7221248 | Solenoid with noise reduction A solenoid having a housing and a coil disposed in the housing for generating a magnetic field when an electric current passes through the coil. A center pole is disposed within the coil, and the center pole is made of a ferromagnetic material. A rod assembly is mov... | 05/22/2007 |
| 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 |
| 7159840 | Solenoid having reduced operating noise A solenoid valve is provided generally including a bobbin for supporting a coil and a core located adjacent to the bobbin. An armature is movably disposed relative to the core. A plunger is coupled to the armature and movable with the armature. A seal is coupled to ... | 01/09/2007 |
| 7147202 | Tank vent valve A canister-purge valve for the metered admixing of a fuel scavenged from a fuel tank of an internal combustion engine into the internal combustion engine includes a valve seat and a valve body movably located relative to the valve seat. A sealing element is provided... | 12/12/2006 |
| 7131423 | Fuel injection spark ignition system A fuel injection system providing both fuel injection devices and methods of fuel injection for internal combustion engines in which a piezoelectric material generates a current discharged to ignite fuel delivered into the engine combustion chamber. ... | 11/07/2006 |
| 7055539 | Electromagnetic valve control device and method A normally closed electromagnetic valve is closed again after temporarily being opened during an abnormality check of the valve. When the valve is opened, electricity is supplied so that a plunger is moved by a coil but a back face of the plunger does not abut again... | 06/06/2006 |
| 7028978 | Proportional solenoid-controlled fluid valve having compact pressure-balancing armature-poppet assembly A proportional solenoid-driven valve control assembly comprised of a moveable, magnetic armature adjacent to a fixed magnetic pole piece, providing fluid leakage containment, and having no non-magnetic element for alignment, support, or magnetic flux path control. A... | 04/18/2006 |
| 7028702 | Automatic water pressure control valve balancing temperature of mixed water The present invention discloses an automatic water pressure control valve balancing the temperature of mixed water, eliminating a cylinder enclosing the pressure control piston and multiple seal rings, to reduce the number of parts and to minimize the production cos... | 04/18/2006 |
| 6971861 | High speed unloader for gas compressor A piston system for a reciprocating compressor is adapted for high speed, high pressure unloading conditions by providing a dual stage piston assembly wherein the piston is adapted for absorbing and redistributing a portion of the load during the high pressure appli... | 12/06/2005 |
| 6955337 | Pneumatic module A pneumatic module includes an actuator assembly and a manifold. The actuator assembly includes a main body having a bore, an armature, overmolded primary and secondary plates, a coil and a frame. The manifold includes a valve seat, a control port and a supply port.... | 10/18/2005 |
| 6951330 | Valve with damping element The invention relates to a valve, in particular for a fluid-regulated heating and/or cooling system of a motor vehicle, having a valve chamber (18, 218), with at least one inlet conduit (14, 214) and at least one outlet conduit (16, 216) branchi... | 10/04/2005 |
| 6935612 | Solenoid valve The solenoid valve of the present invention includes an armature with a protrusion and a plug nut with a recess for receiving the protrusion. The protrusion includes a polymer o-ring. The protrusion is configured such that it slides freely within the recess. The o-r... | 08/30/2005 |
| 6926250 | Valve driving device A valve driving device includes a plurality of valve bodies that are simultaneously driven. Driven gears are disposed symmetrically with respect to an axis of the a common gear. Rubber valve bodies which are separate from the driven gears are disposed on the lower s... | 08/09/2005 |
| 6913242 | Solenoid plunger system with an impact damping mechanism The invention is directed to a solenoid plunger system for an electro-pneumatic pressure transducer comprising at least partially in a cladding, particularly an iron cladding, a solenoid plunger, a core such as an iron core or a magnetic core, at least a first reces... | 07/05/2005 |
| 6830231 | Electromagnetically actuated valve The invention relates to an electromagnetically actuatable valve that has a magnet part, a moveable armature element, a spring element, and a valve part. The magnet part has at least one coil form with a magnetic coil wound on it, a flux concentrating element and a ... | 12/14/2004 |
| 6830232 | Evaporative solenoid control valve with enhanced durability features An evaporative solenoid valve assembly for use in a vehicle fuel system between a filtration canister and an intake manifold includes a plunger having a plunger body with central-bore and an elastomeric insert molded therein to define a stop cushion at the end of th... | 12/14/2004 |
| 6827328 | Oil control valve An oil control valve is provided that comprises a housing, a spool movably disposed inside the housing, and a damping unit disposed between a distal end of the spool and an end wall of the housing such that an impact generated by a collision of the spool at the end ... | 12/07/2004 |
| 6766823 | Valve apparatus for hermetic compressor A valve apparatus for a hermetic compressor including a valve plate having a refrigerant discharging hole for discharging a refrigerant, a discharging valve having one end fixed at the valve plate and another end for opening and closing the refrigerant discharging h... | 07/27/2004 |
| 6748971 | Discharge valve assembly of fluid machinery A discharge valve assembly of fluid machinery is provided. The discharge valve assembly of fluid machinery includes a valve housing connected to a discharge side of a compression chamber, forming a valve holding space for holding a valve, forming a discharge hole on... | 06/15/2004 |
| 6702188 | Expansion valve The valve body has an orifice that provides communication between a high-pressure side passage through which a cooling medium flows in and a low-pressure side passage through which the cooing medium flows out. Also, the valve is provided with a valve elem... | 03/09/2004 |
| 6701961 | Reed valve A reed valve includes a vibration suppressing member for suppressing transmission of vibration, caused due to opening and closing operations of a reed piece, to a fixed mounting portion of an engine part to which the reed valve is mounted. The vibration s... | 03/09/2004 |
| 6698446 | Check valve A check valve with an elongated body and a hole extending from an inlet end to an outlet end. A piston assembly is mounted within the body and can include a piston, a check valve seal and a piston spring. The piston spring biases the piston to a first pis... | 03/02/2004 |
| 6651951 | Magnetic valve A magnet valve according to the related art has a sealing and damping device with an elastic region on which, during operation, a force acts due to different existing pressures that must also be overcome when the armature plate is moved. A magnet valve (1... | 11/25/2003 |
| 6629544 | Gas pressure-reducing valve A gas pressure-reducing valve includes a pressure-reducing chamber for generating a gas pressure that acts on one surface of a diaphragm, a valve body that can sit on a valve seat having in its central part a valve hole communicating with the pressure-red... | 10/07/2003 |
| 6619322 | Fast-acting valve A fast-acting valve includes an annular valve seat that defines an annular valve orifice between the edges of the annular valve seat, an annular valve plug sized to cover the valve orifice when the valve is closed, and a valve-plug holder for moving the a... | 09/16/2003 |
| 6612539 | Fuel injection valve A fuel injector, particularly an injector for a fuel injection system of an internal combustion engine, includes a piezoelectric or magnetostrictive actuator and a valve closure member which is actuable by the actuator with the aid of a valve needle and w... | 09/02/2003 |
| 6595485 | Solenoid valve with cushion between plunger and plunger stop A solenoid valve includes an outlet tube and a plunger stop. A plunger is slidably disposed within the solenoid valve between the outlet tube and the plunger stop. The plunger is movable between a closed position wherein the plunger engages the outlet tub... | 07/22/2003 |
| 6592095 | Electromagnetic valve motion control A motion control for electromagnetic valves including a follower connected with a valve for reciprocating motion, and a restraint operable on the follower to slow the valve motion and reduce the force of engagement of the valve with the valve seat and the... | 07/15/2003 |
| 6572075 | Valve for controlling flow rate of gas A valve has a valve body having a passage including a hole in which gas flows. A valve disc is provided for closing the hole, and an actuator is provided for operating the valve disc. An emergency cutoff device is provided so that the valve disc closes th... | 06/03/2003 |
