Bizarre Patents
Smoking Cessation Lighter and Method
A lighter for tobacco products suppresses the urge to smoke by operant conditioning.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7025329 | Needle valve for flow control A needle valve assembly for providing fluid flow control includes a motor; an internally threaded valve body; and an externally threaded plunger threadably engaged with the internally threaded valve body and rotatably and reciprocally driven by the motor, wherein th... | 04/11/2006 |
| 6896237 | Control valve for a water closet An improved control valve in combination with a pressurized water closet having a housing, a spool rotatable within the housing, a valve stem threading engaging the spool but fixed from rotating relative to the housing and a needle valve extending from the valve ste... | 05/24/2005 |
| 6817549 | Valve needle, in particular for a spraycoating liquid A valve needle (2), in particular for spraycoating apparatus and their spraycoating devices. The valve needle (2) has a shank (4) and a plunger (8) affixed thereon. The shank (4) is made of another material than is the plunger (... | 11/16/2004 |
| 6732997 | Control valve for a water closet An improved control valve for a pressurized water closet, having a housing, a spool rotatable within the housing, a valve stem threading engaging the spool but fixed from rotating relative to the housing and a needle valve extending from the valve stem and into the ... | 05/11/2004 |
| 6250602 | Positive shut-off metering valve with axial thread drive Disclosed herein is a fuel/ignitor valve for metering liquid or gaseous fuel having a servo motor-actuated pintle providing rapid flow rate adjustment response and positive flow shut-off. The fuel flows from an inlet port through a venturi passageway havi... | 06/26/2001 |
| 6220571 | Electronic expansion valve for cooling cycle An electronic expansion valve for a cooling cycle includes a valve housing having intake and exhaust holes and an orifice formed on the exhaust hole. A case is disposed on the valve housing, and a motor is disposed within the case. The motor has a drive s... | 04/24/2001 |
| 5967164 | Valve with a Laval nozzle and a method of metering a fluid A valve with a Laval nozzle, a valve needle movable axially in the Laval nozzle, and an inlet chamber which receives the valve needle foot, in which chamber a radially extended inlet opening terminates. The inlet chamber is separated axially from the inle... | 10/19/1999 |
| 5950650 | High pressure regulator A high pressure regulator is provided with a valve member, a seat member, and an actuator. The axial position of the seat member may be selectively fixed with respect to the body. The valve member is axially moveable with respect to the seat member, and i... | 09/14/1999 |
| 5948325 | Air-fuel ratio adjustment device for carburetor A fastening member made of an elastic material is press-fitted in a gapless manner in an insertion hole that divides screw holes in a carburetor body into forward and rearward sections. Screw rods of adjustment valves are screwed into the screw holes and ... | 09/07/1999 |
| 5938170 | Proportional control solenoid relief valve A pilot-operated proportional control electromagnetic relief valve has a needle guide portion snugly fitted around the outer surface of a needle. The needle guide portion guides vertical movement of the needle, and is located at the center of a stopper so... | 08/17/1999 |
| 5749969 | Fluid dispensing system A nozzle actuating and adjustment system for applying sealant to a can lid member comprising a nozzle which has a sealant dispensing opening, a needle valve, a needle valve seat surface and a sealant flow passage for enabling flow of sealant material onto... | 05/12/1998 |
| 5727776 | Fluid control valve Needle valves which are seated in valve seats defined by circular edges have DELRIN.RTM. tips for the purpose of minimizing unseating torque which would otherwise be excessive due to the thermal expansion and contraction characteristics of the valve seats... | 03/17/1998 |
| 5725198 | Non-rotating needle valve A needle valve in which the needle is moved with respect to its valve seat. The distal end of the needle has a length of a constant, uniform diameter that allows the flow to reach a maximum flow and not change while that finite length is moving within the... | 03/10/1998 |
| 5687949 | Gas flow regulator valve An improved fluid control valve assembly employing a needle valve integrally formed on a non-rotating valve stem includes a metering orifice for engaging and forming a fluid seal with the valve needle, and a generally radially extending end face on the va... | 11/18/1997 |
| 5667194 | Armature needle valve assembly having plastic connecting means A armature needle valve assembly for a gasoline fuel injector comprises a needle for contacting and separating from a valve seat. An armature, movable in a first direction and a second direction, causes the needle to contact and separate from the valve se... | 09/16/1997 |
| 5641148 | Solenoid operated pressure balanced valve A pressure balanced gas control valve which uses a bellows to hermetically seal the solenoid from the valve. The gas valve has a valve housing which has an inlet port, an outlet port and a valve seat. Within the housing is a needle valve that moves betwee... | 06/24/1997 |
| 5639062 | Modified heel valve construction Disclosed herein is a valve construction comprising a main body having therein a bore extending along an axis, adapted to contain fuel under pressure, and having, at the axially outer end thereof, an axially outwardly diverging conical surface extending a... | 06/17/1997 |
| 5636827 | Notched needle bounce eliminator A device comprises an armature movable in a first direction and a second direction for causing a needle to contact and separate from a seat assembly. Stop means provide a motion stop in at least the first direction. Damping means are applied to the needle... | 06/10/1997 |
| 5605172 | Fluid control valve and method for subjecting a liquid to a controlled pressure drop A method and apparatus for subjecting a fluid to a controlled pressure drop. Fluid is supplied under pressure with a tangential velocity component to an annular passageway (17). The fluid swirls around the axis of the passageway while flowing axially alon... | 02/25/1997 |
| 5586745 | Value for controlling flow of cryogenic fluid A valve is provided for accurately controlling the flow of cryogenic fluids such as liquid nitrogen. The valve comprises a combination of disc and needle valves affixed to a valve stem in such a manner that the disc and needle are free to rotate about the... | 12/24/1996 |
| 5419531 | Valve assembly structure for a fluid system A valve assembly structure including a valve body having a fluid passage therein to allow fluid to flow from one end port opening to an opposite end port opening, the valve body including an annular sealing surface cooperative with at least one of the end... | 05/30/1995 |
| 5370357 | Needle valve with deformable seal A needle valve including a deformable seal positioned between the distal end of the needle and a hard, mechanical seat between the needle and the valve housing. The deformable seal is able to seal around the movable needle but is protected from serious de... | 12/06/1994 |
| 5368273 | Venturi metering system A fuel flow delivery system for a gas turbine engine of simple, economical structure including a non-positive displacement centrifugal fuel pump delivering constant pressure, variable flow rate fuel flow through a venturi passage. A conical needle valve i... | 11/29/1994 |
| 5364066 | Dual port valve with stepper motor actuator This refrigeration system expansion valve (10) includes a body (12) having an inlet (20) and an outlet (22) and a valve assembly (24) within the body (12). The valve assembly (24) includes a first port (28) communicating with the inlet (20) and a second, ... | 11/15/1994 |
| 5324000 | Non-rotating needle valve A needle valve having improved economy of manufacture and assembly is disclosed in which the tapered end of the needle moves axially with respect to a valve seat having a cylindrical opening but does not rotate. An adjusting means, in turn, is rotated to ... | 06/28/1994 |
| 5300259 | Carburetor and fuel feeding system having the same A carburetor and a fuel seeding system having the same including an air suction passageway through which air is fed, and a fuel feeding passageway which is disposed so as to be intersected to the air suction passageway and through which fuel is fed, the a... | 04/05/1994 |
| 5269346 | Flow control valve A flow control valve includes a needle (B) which is carried in an elongated housing within an axial bore which is partially closed at one end by a crimp (C) which forms a retaining clip to prevent inadvertent forceful expulsion of the needle from the flow... | 12/14/1993 |
| 5249773 | Fluid flow regulating valve The stem of a needle valve for regulating fluid flow is threaded into the valve housing. A reversible electric motor, whose shaft engages the stem coaxially, rotates the stem and causes it to move the plug on the end of the stem into and out of a fluid fl... | 10/05/1993 |
| 5232195 | Flow regulating valve A flow regulating valve incorporating a core of ferromagnetic material, a spring which repositions the core, an electromagnet which in turn comprises at least one coil wound onto a magnetic yoke, in which the yoke has an internal cavity in which the core ... | 08/03/1993 |
| 5201491 | Adjustable well choke mechanism Apparatus for regulating the fluid flow produced from a gas pressurized subterranean reservoir. The produced mixture comprising crude oil, water, gas and varying amounts of particulated matter. The apparatus includes a bean which is characterized by a con... | 04/13/1993 |
| 5158261 | Proportional combustion control device A proportional combustion control device for supplying fuel to a combustor for a boiler, a hot water maker, etc., comprising an opening and closing valve for controlling a supply of fuel provided in the midst of a fuel supply pipe, and a control valve hav... | 10/27/1992 |
| 4915348 | Exhaust valve for blood pressure measuring apparatus An exhaust valve (10), particularly for a blood pressure measuring apparatus, comprising a valve seat (31) disposed along the course of an outlet channel in a valve housing (11) and oriented toward the pressure side of the valve. A valve body (25) having ... | 04/10/1990 |
| 4809750 | Pressure reduction arrangement A combination composed of a conduit for conveying a fluid medium along a linear path under very high pressure and a choke disposed in the conduit, the conduit having an inner wall and the choke being composed of a restrictor having a restrictor opening wh... | 03/07/1989 |
| 4804324 | Burner Device In this invention, two connecting devices are provided in a burner device to accommodate liquefied gas cylinders/fuel tanks having different mounting cap configurations. The invention also includes a piezoelectric ignition device as part of the burner dev... | 02/14/1989 |
| 4782856 | Modulating flow control valve A modulating flow control valve comprising a central valve body with a tubular body member detachably supported at an inlet port thereof and providing a valve seat; a plug member is detachably supported in an access bore of the central valve body; and a v... | 11/08/1988 |
| 4768558 | Multi-port valve assembly A multi-port valve assembly for controlling the flow of fluid through a plurality of outlet ports. A valve housing defines a common inlet and a plurality of outlet ports. A valve member corresponds to each outlet port for controlling fluid flow through th... | 09/06/1988 |
| 4743037 | Automatic levelling system A system for automatically levelling a vehicle, such as a recreational vehicle, relative to gravity includes a plurality of extensible jacks, preferably hydraulic, disposed at strategic positions on the vehicle underside. Switches sense the downward tilti... | 05/10/1988 |
| 4728075 | Control of fluid flow Method and apparatus for the control of fluid flow using a metering plug that is positioned in a control channel and restricted to movement along the longitudinal axis of the channel. Closure control is exercised by moving the plug with a micrometer adjus... | 03/01/1988 |
| 4712579 | Well flow line choke In a fluid flow line from a well in the earth, a choke means is employed to restrict the flow of fluids through that line. The choke has a body with apertures therein for passing fluid therethrough and an insert means in one of the apertures of the body w... | 12/15/1987 |
| 4707278 | Control valve A control valve includes a valve box whose interior accommodates a valve needle closing against a valve seat. The interior of the valve box is subdivided in sections with at least two conical bores with different cone angles for improving the flow guidanc... | 11/17/1987 |
