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| Number | Title | Issue Date |
| 7360611 | Flow system for a hydraulic choke solids strainer A strainer system having two separate strainers positioned in parallel, where one strainer can be cleaned while still permitting normal flow through the other strainer. The system flow circuit is arranged so that a high pressure backwashing flow can be applied to on... | 04/22/2008 |
| 7334771 | Device for locking and/or sealing a conduit The invention relates to a blocking apparatus for blocking and/or sealing off a line for transporting—preferably hot—media, in particular dust-laden gases, preferably for blocking and/or sealing off a line for transporting hot gases which may be laden with solid... | 02/26/2008 |
| 7328593 | Refrigerant valve arrangement A refrigerant valve arrangement is described, having a housing which has a first functional space, in which there is arranged at least one functional element, which co-operates with a first annular contact surface formed in an internal boundary wall. It is desirable... | 02/12/2008 |
| 7287744 | Fuel conditioning apparatus A fuel conditioning system (10) comprises a housing (12) defining a chamber (14) and provided with an inlet (16) upstream of the chamber (14) and an outlet (18) downstream of the chamber (14). A hemispherical seat ( | 10/30/2007 |
| 7240768 | Flapper finger valve A flapper finger valve assembly for use in an exhaust system. The flapper finger valve includes a tube having a plurality of orifices therethrough. The flapper finger valve assembly also includes a plurality of flapper finger valves generally having a C-shape wherei... | 07/10/2007 |
| 7240695 | Multi-channel pintle valve A multi-channel valve uses a single drive motor to translate a single actuator assembly coupling multiple pintle valves for metering the same amount of media through each channel. The actuator assembly includes a swivel base mounting two or more clevis and nut arran... | 07/10/2007 |
| 7163910 | Formulation of herbicides and plant growth regulators The present invention relates to formulations comprising a) at least one phosphonium or sulfonium salt of a sulfonylurea, where the phosphonium and sulfonium cation of the salt has at least one substituent which is different from hydrogen, and ... | 01/16/2007 |
| 7134642 | Vacuum gate valve The invention provides a vacuum gate valve for closing off an opening. The vacuum gate valve can have a valve plate that can be turned so that the alignment of the valve plate will adapt to a valve seat when the valve plate is pressed against the valve seat. ... | 11/14/2006 |
| 7100697 | Method and apparatus for reforming tubular connections The present invention generally relates to methods and apparatus for connecting tubulars and reforming the connection between the tubulars. In one aspect of the invention, the tubulars are aligned, connected, and then reformed at the connection. In one embodiment, t... | 09/05/2006 |
| 7077380 | Capacity control drive A capacity control valve is inserted in a flow path connecting a discharge chamber and a crank chamber of a variable capacity compressor and provided with a valve unit and a drive unit. The valve unit has a valve element for opening/closing the flow path or a valve ... | 07/18/2006 |
| 7040320 | Valve device for controlled supply of a pressure fluid A valve device for controlled supply of a pressure fluid, having a housing (2) with a supply chamber (3) for the supply of a pressure fluid from an inlet (4) connected to a pressure fluid source, and having an outlet (5) communicating wit... | 05/09/2006 |
| 7028586 | Apparatus and method relating to tongs, continous circulation and to safety slips A tong system includes an upper tong having grips for gripping a tubular and a rotation mechanism to rotate the grips and the tubular. A lower tong also has grips and a rotation mechanism to rotate the grips to provide rotation to a lower tubular, such that the uppe... | 04/18/2006 |
| 7028585 | Wrenching tong Apparatus for applying torque to a first tubular relative to a second tubular, the apparatus comprising a first tong for gripping the first tubular and a second tong for gripping the second tubular, wherein the first tong is provided with teeth around a peripheral s... | 04/18/2006 |
| 6899199 | Flapper finger valve assembly A flapper finger valve assembly for use in an exhaust system. The flapper finger valve includes a tube having a plurality of orifices therethrough. The flapper finger valve assembly also includes a plurality of flapper finger valves generally having a C-shape wherei... | 05/31/2005 |
| 6810931 | Electromagnetically-controlled filler spout The filler spout comprises a tubular body having mounted therein a valve member and a magnetic actuator element connected to the valve member via a coupling member comprising two elements that are coupled to each other via a coupling that includes radial clearance. | 11/02/2004 |
| 6688271 | Switching-type intake pipe A switching-type intake pipe for internal combustion engines comprises an intake duct with a shorting aperture. The shorting aperture can be closed and opened by a switching flap. The switching flap is connected via a non-rigid connection with a flap leve... | 02/10/2004 |
| 6685165 | Valve assembly having an adjusting diaphragm means A valve assembly having a cap defining a first and second fluid flow passage for allowing the flow of fluid is attached to a seat member which is coupled to an actuator. A plunger having an adjustably attached diaphragm is maintained within the seat membe... | 02/03/2004 |
| 6520479 | Flow rate control valve A flow rate control valve comprises a piezoelectric actuator and a displacement amount-amplifying mechanism for amplifying a displacement amount of the piezoelectric actuator. An amplified displacement amount, which is amplified by the displacement amount... | 02/18/2003 |
| 6491283 | Sanitary drain valve design A valve for sampling a process from a tank or conduit includes an internal cavity in communication with at least one inlet and an outlet. A valve actuating rod includes a sealing tip attached to one end thereof The valve actuating rod is movable to open a... | 12/10/2002 |
| 6439539 | Electrically controllable valve An electrically controllable valve comprising at least one input port (13) and one or more output ports (12, 14), at least one sealing means (17, 18) being arranged to control the flow of a fluid between said input port and at least one of said output por... | 08/27/2002 |
| 6431521 | Silicon carbide valve disc for nuclear reactors The present invention is a directed to a main steam relief valve for use in a nuclear power plant. The valve disc includes a cylindrical first end of uniform external and internal circumference, a conical opposite end, an external surface, and an internal... | 08/13/2002 |
| 6247497 | Rotary channel-selector valve A rotary channel-selector valve is provided, which includes: a valve-seat plate covering one end of a cylindrical valve housing and provided with low and high pressure ports and two switching ports all connecting the inside and the outside of the valve; a... | 06/19/2001 |
| 6213447 | Poppet value having a compliant shaft guide and compliant valve head A poppet valve wherein centering of the valve stem and head and mating of the valve head to the valve seat are compliantly directed by contact with the valve seat. The poppet valve employs an integral radially-floating valve stem sealing guide or bearing ... | 04/10/2001 |
| 6076368 | Electrically operated fluid control device A device for use in regulating the flow of a working fluid, such as a refrigerant, includes a body defining an axial opening, and a piston received within the axial opening. The piston is moveable in the body and has first and second ends. An actuator, wh... | 06/20/2000 |
| 5992444 | Control device for door closer A control device for a door closer is arranged to control flow of pressure medium within a body part of the door closer and comprises an adjustment member supported by threads on the body part of the door closer, and in cooperation therewith, a separate s... | 11/30/1999 |
| 5947444 | Gas tap The tap comprises an external operating element and a connecting stem for transmitting the movement of the operating element to the opening and closure member which is arranged in such a way as to be pressed against the sealing seat under the effect of th... | 09/07/1999 |
| 5904338 | Valve A valve, includes a housing formed with a valve seat and having an inlet port and an outlet port; and a shut-off member positioned in a passageway between the inlet port and outlet port and so adjustable as to enable a separation of the inlet port and the... | 05/18/1999 |
| 5277404 | Valve assembly A valve comprised of a valve body (1) incorporating a flow bore (2), of a check element (3) rotatably or pivotally adapted to said flow bore, said check element having the shape of rotational body or part of it, incorporating a flow port (4) and being sup... | 01/11/1994 |
| 5193576 | Pressure regulator A pressure regulator comprises a housing internally divided by a diaphragm, the diaphragm carrying a valve closure ball engageable with a valve seat forming part of an outlet from the housing. The ball is located within a ball carrier which is attached to... | 03/16/1993 |
| 5169125 | Self-aligning gate valve A gate valve provides an efficient and effective seal from high pressures to pressure differentials below 50 psi through a self-aligning gate of reduced mass (semi-gate). The invention provides a transmission between the gate and stem which permits its se... | 12/08/1992 |
| 5161778 | Nonfreezing plunger for solenoid valve Solenoid valve employing a loosely mounted rubber insert in a confining recess of the plunger for sealing an inlet port during closed condition of the valve. In case of adherence at the sealing surface of the inlet port with the rubber insert, initial acc... | 11/10/1992 |
| 5118078 | Butterfly valve having improved sealing characteristics A fully sealing butterfly valve throttles flow rates through a flow channel and completely ceases flow. A throttle plate rotates into a close position and then moves axially to seat against a seal. The axial movement directly corresponds to rotation of an... | 06/02/1992 |
| 5054455 | Regulated flow canister purge system The evaporative emission control system for an internal combustion engine purges the vapor collection canister to the throttle body through both a purge regulator controlled by the engine ECU and a variable orifice valve that is mechanically operated by t... | 10/08/1991 |
| 5033505 | Pressure regulator and method of assembling same A pressure regulator includes a hermetically sealed housing that limits the potential for leak paths to atmosphere or exterior to the housing. The regulator includes a dampening arrangement for limiting oscillations during high flow rates. A stem clip sec... | 07/23/1991 |
| 4903733 | Sliding exhaust brake system A sliding exhaust brake system installed on a large-sized vehicle. The system comprises a main valve member for opening and closing an exhaust passage and an auxiliary valve mechanism. The auxiliary valve mechanism consists of a support frame of a substan... | 02/27/1990 |
| 4901827 | Slide type exhaust brake system There is disclosed a slide type exhaust brake system including a housing accommodating a valve member formed with a plurality of exhaust pressure adjusting holes and having its intermediate beam wall formed with an exhaust pressure escape hole, and a pist... | 02/20/1990 |
| 4819696 | Slide type exhaust brake system Herein disclosed is a slide type exhaust brake system. In this system, a plate valve member having an exhaust pressure regulating port extending through its surface is fitted in an exhaust brake body housing having a valve member reciprocation passage ext... | 04/11/1989 |
| 4810471 | Vacuum manifold for extraction processing A vacuum manifold for solid phase extraction of a plurality of liquid samples from reagent tubes removably connected by valves to a vacuum chamber through a removable vacuum tight cover closing. A plurality of parallel flow paths are provided through the ... | 03/07/1989 |
| 4759331 | Electromagnetically actuatable fuel-injection valve In an electromagnetically actuatable fuel-injection valve for injection systems of internal-combustion engines, the valve has an electromagnet, an armature, and a closure element which is operatively connected to a spring and the armature. The closure ele... | 07/26/1988 |
| 4753262 | Fuel system vent valve having roll-over closure with improved re-opening action for venting A roll-over vent valve for an automobile fuel tank comprises a novel means for minimizing the force required to re-open a corked shut-off element. The disclosed embodiment comprises a thin, slightly pliable, circular disc for the shut-off element which se... | 06/28/1988 |
