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| Number | Title | Issue Date |
| 7748683 | Electrically controlled proportional valve An electrically controlled proportional valve provides for precise control of armature movement using an armature which is positioned at the center of the valve by centering leaf springs. The armature is supported and biased axially by angled leaf springs that suppo... | 07/06/2010 |
| 7673847 | Fluid control valve for supplying gas to a fuel cell in a vehicle A movable valve 131 is movably supported by a support plate 135 within a valve body having a gas injection nozzle 129. The valve body consists of a plurality of members 103, 105, 107, 109, 127. Impermeable joints 147a, 14... | 03/09/2010 |
| 7438858 | Dispensing assembly for liquid droplets A dispensing assembly for liquid droplets that includes a dispenser connected to a liquid carrying pipe which in turn is connected to a source of pressurized liquid. The dispenser has an elongated body member having a main bore connected to the liquid carrying pipe.... | 10/21/2008 |
| 7438276 | Electromagnetic valve for brake control In a pressure increase control valve, the size of a gap G between a plunger and a guide is 0.2 mm or greater, or a ratio between a diameter of a restriction and a seat diameter ds is 0.9 or less. Setting the size of the gap between the plunger and the guide to 0.2 m... | 10/21/2008 |
| 7389968 | Proportional solenoid valve control device In a proportional solenoid valve control device, a mode selecting switch has an auto-mode position for sending a control signal from a level converting section to a driving signal amplifying section, a valve fully-closing manual position for supplying a valve fully-... | 06/24/2008 |
| 7360751 | Magnet unit A magnet unit is provided with a solenoid with a coil whose core is attached in a recess on the front side of a base, with a movable anchor activated by a recoil spring with a valve closing element and with a protective cap attached on a shoulder of the base within ... | 04/22/2008 |
| 7353927 | Electro-magnetic actuator for torque coupling with variable pressure-control spool valve A torque-coupling assembly comprises a rotatable torque-coupling case, a friction clutch assembly for selectively engaging the torque-coupling case and an output shaft, a hydraulic pump for generating a hydraulic fluid pressure, a fluid control passage through which... | 04/08/2008 |
| 7350763 | Linear solenoid with adjustable magnetic force A linear solenoid includes a pole tube; a housing jacket that encloses the pole tube; a coil that encompasses the pole tube; and a displaceable armature that is received in the pole tube. An overlap range between the housing jacket and an axially displaceable compon... | 04/01/2008 |
| 7335861 | Cooking stove A cooking stove which prevents the quantity of heat generated by a gas burner from increasing continuously contrary to the user's expectations, while allowing the user to easily operate the appliance. A cooking stove includes an operation portion 6 having tou... | 02/26/2008 |
| 7328882 | Microfluidic modulating valve A valve is provided that can selectively change the size of a flow channel in a valve in order to modulate the fluid flow through the valve. In one illustrative embodiment, the valve includes a housing that defines a cavity, with an inlet and an outlet extending int... | 02/12/2008 |
| 7325781 | Automatic bathroom flushers with modular design A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou... | 02/05/2008 |
| 7325564 | Linear solenoid valve A linear solenoid valve includes a solenoid having a coil wound around a coil bobbin, a fixed core, and a movable core for being attracted to the fixed core when the coil is energized, and a valve mechanism having a valve element for selectively bringing an inlet po... | 02/05/2008 |
| 7322562 | Shut-off valve providing pressure equalization In accordance with the teachings of the present invention, a shut-off valve is disclosed that has particular application for opening and closing a high pressure compressed gas storage tank. In one embodiment, the valve includes a single sealing member and a bellows.... | 01/29/2008 |
| 7322210 | Receiver drier with relief valve The invention provides a relief valve for discharging refrigerant in a receiver drier equipped to an air conditioner of a car. A receiver drier 1 of an air conditioner of a car has an inlet path 44 and an outlet path 46 of refrigerant formed to ... | 01/29/2008 |
| 7275732 | Solenoid-operated valve for fuel cells A valve housing has a bottomed hollow cylindrical main body and a boss projecting from and smaller in diameter than the main body. The main body has a tapered surface circumferentially along a joint where a side wall and a bottom wall of the main body are joined to ... | 10/02/2007 |
| 7255100 | Electronic gas cooktop control with simmer system and method thereof An electronically activated gas cooktop control system, responsive to a touch-sensitive user interface, and capable of providing a predetermined range of cooking and simmer levels of BTU output, has two complementary heating modes of operation A first heating mode o... | 08/14/2007 |
| 7249749 | Solenoid valve with 2-part fixed core A solenoid valve capable of handling a corrosive control fluid and developing an increased attraction force. The solenoid valve 1 is adapted such that a fixed core is located in a wound coil 29 and protruding through the lower surface of the coil, a pl... | 07/31/2007 |
| 7240893 | Normally closed solenoid valve A normally closed solenoid valve includes a fixed core, a valve portion including a valve seat and a valve body, a movable core disposed between the fixed core and the valve seat, a resilient biasing member for biasing the movable core in a valve-closing direction a... | 07/10/2007 |
| 7226035 | Valve device A valve member is located in a passage through which fluid passes. The valve member selectively opens and closes the passage. The valve member is supported by a support member formed a magnetic material. An electromagnetic driving mechanism attracts the support memb... | 06/05/2007 |
| 7213787 | Valves for annular conduits including aircraft fuel conduits and associated systems and methods Valves for annular conduits and associated systems and methods are disclosed. A fluid transmission system in accordance with one embodiment of the invention includes a first conduit having a first wall aligned with a flow direction in the first conduit and a second ... | 05/08/2007 |
| 7192005 | Control method and controller for a solenoid-operated electrohydraulic control valve A method and system for controlling a solenoid-operated pressure regulator valve to achieve high compliance with respect to a commanded current in accordance with a precalibrated transfer function. A dither frequency imposed on applied current is changed at precalib... | 03/20/2007 |
| 7188822 | Enclosures for automatic bathroom flushers A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou... | 03/13/2007 |
| 7186947 | Process monitor for laser and plasma materials processing of materials A method for monitoring the processing of a workpiece includes directing an incident laser beam onto the workpiece and measuring a signal emitted from the workpiece. At least two signals are generated by a detector based upon the emitted signal. A workpiece processi... | 03/06/2007 |
| 7176418 | Cooking stove The present invention provides a cooking stove that prevents an instruction from being given using the touch switch owing to a factor different from the user's operation, while hindering the user from having an incongruous or anxious feeling when operating the touch... | 02/13/2007 |
| 7163188 | Solenoid valve for fluid flow A solenoid valve is provided that comprises a valve body having an inlet and an outlet, and a movable member for moving a valve element away from a valve seat to open the valve. The moveable member engages and moves the valve element away from the seat to an open po... | 01/16/2007 |
| 7163187 | Non-sliding valve A solenoid valve moves an armature back and forth between valve open and valve closed positions without the armature having any sliding engagement with any fixed valve part. This is accomplished by supporting the armature with a spring having one periphery engaging ... | 01/16/2007 |
| 7163189 | Tapping valve of plastics material for transport and storage containers for liquids A tapping valve of plastics material for transport and storage containers for liquids, which is constructed as a flap valve or ball valve, includes a valve housing with an inlet connection connectable to an outlet connection of the liquid container and an outlet con... | 01/16/2007 |
| 7159843 | Non-sliding valve A solenoid valve moves an armature back and forth translationally between valve open and valve closed positions without the armature having any sliding engagement with any fixed valve part. This is accomplished by supporting the armature with a spring having one per... | 01/09/2007 |
| 7156363 | Bathroom flushers with novel sensors and controllers A bathroom flusher (10) includes a body having an inlet (12) in communication with a supply line and an outlet (16) in communication with a flush conduit, a valve assembly in the body positioned to close water flow between the inlet and the outl... | 01/02/2007 |
| 7137613 | Pattern factor control valve A fuel valve for use in regulating the pattern factor of a gas turbine has a highly accurate pressure balanced clevis valve assembly. The clevis valve is pivotally mounted inside the valve housing by a flexure pivot, and has a pair of legs at each side of a valve bo... | 11/21/2006 |
| 7128084 | Self-cleaning valve assembly The present invention provides a method and apparatus for a self-cleaning valve assembly. The valve is adapted to cycle and thereby clean the valve assembly in response to one or more predefined parameters which are programmed into a programmable controller. The val... | 10/31/2006 |
| 7128089 | Flow control providing stable fluid flow An electro-mechanical variable fluid flow restrictor includes a support having a passage and a seal surface, a deformable seal that is engageable with the seal surface, and a bias member for exerting an electronically controlled variable bias against the deformable ... | 10/31/2006 |
| 7126295 | Stopping noise reduction circuit for start motor using resistor A stopping noise reduction circuit for a start motor comprises a battery generating a power supply to drive the start motor, a key switch for controlling an on/off of the power supply, a solenoid having a permanent magnet, P and H coils, and a movement contact to dr... | 10/24/2006 |
| 7080615 | System and method for actuating an engine valve An engine valve actuation system is provided that includes an engine valve that is movable between a first position where the engine valve prevents a flow of fluid and a second position where the engine valve allows a flow of fluid. A cam assembly is operatively con... | 07/25/2006 |
| 7078833 | Force motor with increased proportional stroke The force motor of the present invention controls the local magnetic field through a uniquely designed mechanical structure of the internal components. The mechanical structure divides the magnetic field in the force motor into three sections. The force produced on ... | 07/18/2006 |
| 7070161 | Proportional directional control valve with a magnetic positioning sensor The invention provides a proportional directional control valve having a valve operating mechanism that permits communication between a first and a second channel through a linear motion of a valve element of the valve operating mechanism, a magnetic assembly operat... | 07/04/2006 |
| 7070162 | Valve actuating apparatus A valve actuating apparatus for control of fluid flow that has a housing having a valve body with a first port and a second port that extend through the housing. In one embodiment the valve actuating apparatus also has a toggle valve assembly that includes an armatu... | 07/04/2006 |
| 7069941 | Electronic faucets for long-term operation An electronic faucet (10) mounted on a countertop (12) includes a housing, at least one fluid inlet line (24a, 24b) extending into the housing, a fluid outlet (46) from the housing, a solenoid (142, 143) for op... | 07/04/2006 |
| 7070226 | Powered opening mechanism and control system A power-operated system for actuating the liftgates of motor vehicles is disclosed. The system includes a controllable strut with internal locking structure that includes a driver and a valve assembly. The controllable strut is typically mounted on one side of the l... | 07/04/2006 |
| 7069137 | Valve flow metering control system and method A turbine valve control system is provided. The turbine valve control system includes a variable flow metering device, a first sensor, a second sensor, a third sensor, a fourth sensor, memory, and processing circuitry. The variable flow metering device is capable of... | 06/27/2006 |
