Abstract: A dual fuel carburetor includes a carburetor body, a main jet pipe and a float chamber housing to form a float chamber, the needle valve device includes a pushing needle and a needle valve base, the pushing needle is movably inserted in the float chamber housing, and a window is formed at a bottom of the float chamber housing, the needle valve device further includes a sealed corrugated sleeve positioned around the pushing needle, which has a first end hermetically connected with the pushing needle and a second end hermetically connected with the float chamber housing, a driving spring is positioned around the pushing needle, and the pushing needle has a driving end extended out from the float chamber housing and opposite to that end cooperated with the valve base hole. The needle valve device is in a reasonable design to obtain mechanical controls or other automated drive controls.

Abstract: An oil drain valve including a ball valve having at least one valve opening that is exposed to an external environment through a housing, the ball valve including a drain opening for releasing oil through an opening of the housing. The housing is rotatable about the ball valve in a first rotational direction to move the ball valve from the open state to a closed state with respect to the housing. A method of draining oil from a vehicle including providing an oil drain valve having a housing and a ball valve, rotating a housing about a ball valve, opening the ball valve with respect to the housing, accepting oil into the housing through the ball valve, and releasing oil through a conduit at a bottom of the oil drain valve.

Abstract: In a ball and socket closure for opening and closing an intake port for a hollow fluid container including bicycle mounted bottles such as water or other kind of fluids which refreshes the user or provides nourishment, The ball and socket closure may be used on water bottles or adaptors for sports water bottles used in place of the original bottle cap, Such original bottle caps have no quick fill capability or a selectively open and closed ball and socket intake cap as is in the present invention, which permits introduction of water through the cavity within a spherical ball valve, received by a cylindrical socket for supporting the ball in an intake port of the fluid container. A tab on the edge of the hole in the ball permits manipulation of the ball between an open and a closed position as required by the user.

Abstract: A control valve includes a valve body, a valve plug, two adjusting elements and two operating members. The valve body has a valve hole defined through the valve body and further defines an inlet hole and two outlet holes respectively communicating with the valve hole. The valve plug is movably assembled within the valve body. Two ends of the valve plug are respectively exposed to the outside of the valve body. The two adjusting elements are respectively mounted to two ends of the valve body and respectively adjustably resist against two ends of the valve plug. The two operating members are respectively fixed to the two adjusting elements for driving the two adjusting elements to move the valve plug within the valve hole of the valve body, and thereby controlling the control valve to switch between an open state and a closed state.

Abstract: In a step motor driven cam valve a stem freely ascends and descends within a body having an in-flow passage, an out-flow passage, a valve chamber, and a valve seat. The stem is descended by an actuator, composed of a step motor and a cam mechanism located at a position above the stem, that changes a rotational motion of the step motor to a linear motion and transmits the linear motion to the stem. A diaphragm within a valve chamber or a valve body at a lower end part of the stem rests on the valve seat. A lift support mechanism that supports the actuator to freely ascend and descend is arranged at a bonnet that covers the valve chamber. A height fine-adjustment mechanism, arranged at the lift supporting mechanism, finely adjusts the height of the actuator relative to the stem so as to perform zero-point adjustment of the valve.

Abstract: A diaphragm valve is provided, in which there is improved sealing of a closing cover (15) against the valve housing (3). The seal includes a cylindrical sealing washer (25), which is connected to the valve housing (3) in one piece and into which a cylindrical wall section (18) of the closing cover (15) can be inserted with press fit.

Abstract: An apparatus, according to various aspects of the present invention, adjusts fluid pressure. The apparatus includes a body, a seal seat, a sphere, and an adjustment rod. The body includes an axis and an adjustment passage. The adjustment passage is positioned angularly to the axis. The seal seat includes an adjustment end portion. The seal seat is disposed in the body and moves along the axis. The sphere is disposed in the body and moves angularly to the axis. The sphere contacts the adjustment end portion of the seal seat. The adjustment rod includes a first end portion and a second end portion. The adjustment rod is movably disposed in the adjustment passage. The first end portion of the adjustment rod contacts the sphere. The sphere in cooperation with the first end portion of the adjustment rod and the adjustment end portion of the seal seat translates displacement of the adjustment rod into axial displacement of the seal seat. The adjustment end portion of the seal seat includes a groove having a ramp.

Abstract: A compact, in-line valve assembly consists of a hollow valve body, a seat, and a first diaphragm assembly including a deflectable portion forming a first volume between the seat and the first diaphragm assembly. A second diaphragm is attached to the first diaphragm assembly such that a second volume is defined between the second diaphragm and the second opening. A third volume is formed between the first diaphragm assembly and the second diaphragm and is sealed from the first volume and the second volume. A process flows through the first diaphragm assembly between the first volume and the second volume. A low-leak rate, self-aligning head assembly including a stem and a head coupled are coupled to the first diaphragm assembly. A deflection of the deflectable portion and the second diaphragm provides movement to open and close the head from the valve seat.

Abstract: A diaphragm operated pressure regulating valve for connection between a source of gas under pressure and the point of use comprises an inlet port having an axis, a valve element coaxial with the inlet port and a coaxial ball and cam valve element actuating arrangement controlled by the diaphragm which is transverse to and coaxial with the inlet port.

Abstract: A hydraulic flow valve apparatus having a valve body providing a valve body cavity with an eccentric sidewall. The sidewall terminates at a frontal surface of the valve body with a conical bottom surface defining a flow aperture at its apex. A sealing shaft is fitted within the cavity and is enabled for lateral movement due to the eccentric sidewall. The sealing shaft provides at one end, a rubber seat sealing the flow aperture, and at the other end, a planar surface set at an off-normal angle. A fluid actuated vane extends away from the frontal surface of the valve body and is pivotally engaged with the planar surface of the sealing shaft so as to move the sealing shaft laterally, so as to uncover the aperture when the vane is forced out of a selected preliminary alignment with the sealing shaft.

Abstract: A valve assembly includes a poppet axially moveable in a passageway of a body member. The poppet has an annular seal sealingly engageable with a sealing abutment of the body and, when so engaged, blocks the flow of fluid between the first end of the body and the second end of the body. A rotatable actuator imparts axial movement to the poppet to move the annular seal from the positioned engaged to the shoulder to a positioned spaced from the shoulder.

Abstract: A coupling element having two ends, and outer surface and a longitudinal axis extending between the ends, wherein the first end of the coupling element defines a sealing surface where extends normally to the longitudinal axis and the outer surface of the other end defines a cam follower surface forming an angle on the range of from about 2 to about 10 degrees with respect to the longitudinal axis and wherein the second end defines the cam follower surface and the coupling element defines a passage extending from the sealing surface to the outer surface and apparatus comprising the coupling element and valve elements.

Abstract: A fluid flow control valve which is mechanically programmable to enable the control of flow rate and/or timing of the supply of fluid therethrough. The valve comprises a housing having an inlet and outlet portion. An axially extending passageway within the housing is in fluid communication with the inlet portion. A fluid flow control and timing mechanism is disposed within the axially extending passageway and configured to travel a defined path(s) along the axis thereof when pressurized fluid is supplied to the passageway. The fluid flow control and timing mechanism is configured to cooperate with the outlet portion to control the timing and flow rate of fluid therethrough. To enable the flow control mechanism to traverse the defined path(s) of travel, a biasing mechanism is associated with the fluid flow control and timing mechanism to respond to the application of pressurized fluid into the axially extending passageway.

Abstract: A control valve comprised of a housing having a central, vertical bore retaining therein a flexible, tubular sleeve whose central portion can be eccentrically motivated towards or away from a valve seat with the aid of a ball pushed by a valve stem moving inside of the sleeve and having a slanted, camming groove, which is in contact with the ball, and where the valve seat is located perpendicularly towards and at the center of said vertical bore. The sleeve itself is retained within the housing by an upper and lower flanged plate.

Abstract: A fuel control valve construction, parts therefor and methods of making the same are provided, the construction comprising a housing having an inlet adapted to be interconnected to a fuel source and an outlet adapted to be interconnected to a main burner, the housing having a pilot outlet adapted to be interconnected to a pilot burner for the main burner, the housing having a pilot valve seat and a main valve seat for interconnecting the inlet respectively with the pilot outlet and the main outlet, the housing having a movable pilot valve member for opening and closing the pilot valve seat and a movable main valve member for opening and closing the main valve seat, the housing having a movable lever carrying the pilot valve member and the main valve member and having a manually operable actuator for controlling the operating positions of the lever.

Abstract: A mixing valve particularly suited for use as a water faucet includes separate levers for selectively delivering an unmixed flow of cold water, an unmixed flow of hot water, and one or more mixed flows of intermediate temperature water. An intermediate temperature flow is obtained by combining separate flow of cold and hot water in a mixing chamber. Temperature selection elements are provided to control the relative proportion of the flow of cold and hot water delivered to the mixing chamber so that any desired intermediate temperature can be selected for the mixed flow delivered from the mixing chamber. Constant temperature of a mixed flow is maintained throughout the available range of flow rates by coordinating the admittance of cold and hot flows to the mixing chamber with respect to the discharge of mixed fluid from the mixing chamber.

Abstract: A drainage valve unit for use with a casing for collecting a drain includes a valve body adapated to be mounted on the casing and having a fluid passage and a chamber defined therein and communicating with each other, a valve member disposed in the fluid passage and movable axially of the fluid passage for opening and closing the fluid passage, and a pusher body disposed in the chamber and movable axially of the chamber, the pusher body being displaceable from outside of the valve body for causing the valve body to open the fluid passage to discharge the drain from the casing through the fluid passage. The valve member can reliably be moved to open the fluid passage for discharging the drain by pushing the pusher body irrespective of the pressure within the casing. When the fluid passage is opened, the drain can quickly be discharged without falling on the operator's hand and fingers.

Abstract: A throttle valve driving mechanism comprising an actuator disposed near a throttle valve shaft, and an oscillating slide block mechanism disposed between an actuator shaft and said throttle valve shaft. Said oscillating slide block mechanism comprises a throttle lever provided at one end thereof with a roller, an actuator shaft disposed in a position on a straight line between said throttle valve shaft and said roller at the time when the throttle valve is fully closed and a certain distance away from the center of said roller toward the center of said throttle valve shaft, a rotatable lever secured to said actuator shaft, said rotatable lever having a groove within which said roller slides freely with small clearances, the center of said throttle valve shaft, the center of said roller and the center of said groove being arranged in the same direction when the throttle valve is fully closed.

Abstract: A single lever mixing faucet is disclosed of the type generally used as a household sink faucet. The lever is operated by hand and controls individual diaphragm valves by plungers which are actuated by a cam operated by the lever, the cam having a wedge actuator connected to be moved by the lever in two orthogonally related directions and combinations thereof upon manual movement of the lever. The wedge actuator is mounted for essentially planar movement without rotation and has flat cam surfaces engaging flat ends of said plunger to move the plungers and control the rate of flow of water as well as the relative proportions of hot and cold water.

Abstract: A tap for controlling a plurality of fluid circuits simultaneously, comprising a body provided with a bore into which the said circuits open, and a rotary control member.Each fluid inlet duct is provided with a valve member and the rotary control member is a stem, movable in translation, which is provided with cams and cut-aways and controls the opening and closing of the said valve members.The invention is applicable in particular to oxyacetylene torches.

Abstract: A plumbing valve having a plastic body with a lateral outlet and adapted for threaded connection with a metal pipe and including a resilient seal engaged and compressible upon connection of said valve body and pipe to maintain a seal therebetween incident to varying rates of expansion and contraction of said valve body and pipe with temperature changes. The valve has a rotatable actuator with an eccentric longitudinal part mounting a resilient tube having a portion pressed into contact with the cavity of the body to seal the outlet in one position and a second longitudinal part spaced from said concentric part and cooperating therewith to confine a part of said tube against radial expansion incident to liquid pressure from said metal supply pipe and retaining said tube against endwise displacement on said eccentric part.

Abstract: A lever operated tap or cock, the lever actuating a cam to cause a piston to move to open a valve against the action of a spring and the water pressure. The valve is thus manually opened, but the closing of the valve is by spring and water pressure only.

Abstract: A liquid mixing valve of the single handle type for mixing hot and cold water which incorporates a pair of plungers which are positioned in variable depth cams formed in a slider plate whereby actuation of the plate via a handle displaces the respective plungers from their seated position to permit passage of fluid therethrough.

Abstract: An axially shiftable gas control and shut-off valve utilizing a spherical ball check seatable in a frusto-conical valve seat formed along a gas flow path in a valve body member, and a valve stem extending transversely through the body member across the flow path and axially shiftable with respect thereto along an axis perpendicular to the axis of symmetry of the valve seat. The valve stem has a concentrically-arranged, frusto-conical cam portion operative, when the valve stem member is shifted between one position and another, to move the ball check between seated and unseated positions with respect to the valve seat to control gas flow.

Abstract: An easily assembled valve shifting mechanism includes a hexagonal shaft over which several different cam plates are slidably assembled in a predetermined manner. Each cam plate includes complementary cam surfaces for engaging and providing positive motion to a cam follower mounted on a valve spool. The cam surfaces of all the cam plates bear a predetermined relationship to each other to cause movement of the different valve spools in a predetermined sequence. One of the cam plates further includes detent means for defining each of the steps in the predetermined sequence.

Abstract: A faucet having a cartridge employing a cam and plunger type of closure means adapted to regulate the flow of fluid therethrough. The plunger, which is in communication with the faucet inlet and is urged away from its seat by the incoming fluid, is restricted in movement by a cam cooperating with a handle to thereby regulate the flow of fluid through the faucet.