Abstract: A gas cock for a gas burner and pilot flame includes a cock body with a plug receiving seat and a gas passage opening for passage of gas from/to the plug receiving seat. The cock has a conical plug, including a side wall extending around a central conical plug axis and housed in the plug receiving seat. The conical plug includes a plug opening for passage of gas from/to the plug receiving seat by the inner cavity of the conical plug based on a presettable angle of rotation between the cock body and the conical plug. The conical plug outer wall surface includes a groove connected to the plug opening. The groove includes a modulating portion extending between first and second angular positions in a circumferential direction of rotation of the conical plug with a depth that increases or decreases in the radial direction perpendicular to the side wall.

Abstract: A switching valve device for switching an intermediate flow path through which a fluid flows from an inlet to an outlet includes: a first valve which switches a flow path extending from the inlet to one of two flow paths; and a second valve which is provided on a downstream side of the first valve and switches the intermediate flow path by a differential pressure generated by depressurization in an external flow path Lout connected to the intermediate flow path connected to one of the two flow paths.

Abstract: A metering valve has a shutoff position at which it blocks flow from the metering valve outlet line from reaching an outlet to a use. A spool has a first end and a second end. The housing has a first shoulder associated with the first end and a second shoulder associated with the second end. In the shutoff position, the spool has the first end spaced from the first shoulder, and the second end spaced from the second shoulder. A fuel system for a gas turbine engine is also disclosed.

Abstract: A sealing device is provided for use with a fitting. The fitting has circular port and a flow path with a longitudinal axis. A circular port encircles a portion of the flow path opposite the port with the sealing device inserted into the port. The sealing device has a circular top with two opposing surfaces depending therefrom but inclined so the surfaces are closer at the top. A continuous sidewall joins the periphery of the two surfaces. The opposing surfaces are inclined and spaced apart further at the top than at an end opposite the top. A cylindrical hole through the opposing surfaces encircles the flow path during use.

Abstract: A piston for an electromagnetically actuatable hydraulic valve wherein the piston is configured cylindrical and axially movable along a central opening that extends along a longitudinal axis of a housing of the electromagnetically actuatable hydraulic valve, wherein plural connections of the housing are opened or closed according to a position of the piston wherein the plural connections are flow connected with the central opening, wherein the hydraulic valve is hydraulically actuatable by a signal element, wherein a damping system is provided for reducing oscillations of a signal pressure of the signal element that impacts the piston, and wherein the damping system is configured in the piston that includes a receiving cavity for receiving the damping system.

Abstract: A pipeline pressure testing assembly has a fitting defining a flow path and having a port on a wall of the fitting into which a pressure testing device is removably inserted along a central axis of the port for pressure testing. The port is circular, larger than the interior diameter of the pipeline and located at or above the tube forming the flow path through the fitting. The fitting has a recess encircling at least part of the flow path and opening to the port to receive the testing and sealing devices. The recess is formed by two opposing walls inclined relative to the central axis of the recess. The recess walls at the top of the flow path by the port are spaced apart a distance as large as the pipe diameter for cleanout and inspection. A tubular valve stem screws into the testing device and has a rotary valve blocking flow through the tubular valve stem. Flow through the fitting is blocked with the rotary valve closed and the tubular valve stem in a first position.

Abstract: A switchable shower head includes a waterway device providing at least two water flow outlet functions; and a waterway switching device including a water diversion plate rotatable to switch between outlet functions; a fixing seat disposed above the water diversion plate; a ratchet wheel coaxially connected to and synchronously rotatable with the water diversion plate via the fixing seat and including a ratchet; a transmission element that abuts against the ratchet to cause the ratchet wheel to rotate; a transmission rack that has the transmission element slidably assembled thereto to slide in a sliding direction, that is movable with respect to the ratchet wheel in a moving direction, and that is resettable by two or more elastic elements; and a driving device that comprises a press button in communication with the fixing seat and a driver mechanism provided between the press button and the transmission rack.

Abstract: A push pin actuator apparatus is provided. The push pin actuator apparatus includes a housing, a wire coil arranged within the housing and arranged around a first armature and a second armature. The first armature is coupled to a first push pin and the second armature is coupled to a second push pin. The push pin actuator apparatus further includes a first permanent magnet and a second permanent magnet. A first spring and a second spring are arranged within the housing. The first spring engages the first armature and the second spring engages the second armature. The first push pin is actuated in response to a current being applied to the wire coil in a first direction, and the second push pin is actuated in response to a current being applied to the wire coil in a second direction opposite to the first direction.

Abstract: A push pin actuator apparatus is provided. The push pin actuator apparatus includes a housing, a wire coil arranged within the housing and arranged around a first armature and a second armature. The first armature is coupled to a first push pin and the second armature is coupled to a second push pin. The push pin actuator apparatus further includes a first permanent magnet and a second permanent magnet arranged on opposing sides of the first armature, and a third permanent magnet and a fourth permanent magnet arranged on opposing sides of the second armature. The first push pin is actuated in response to a current being applied to the wire coil in a first direction, and the second push pin is actuated in response to a current being applied to the wire coil in a second direction opposite to the first direction.

Abstract: An installation structure of countertop faucet includes a base having an insertion section extending through a mounting hole formed in a counter to engage a locking nut to be secured. The insertion section has a top end forming a receiving bore of which a circumferential wall forming two positioning holes communicating with the receiving bore. Each positioning hole receives therein a releasing module. The bottom of the base forms two water inlet passages communicating with the receiving bore and receiving stop valves therein and coupled to couplers for connection with water inlet tubes. A faucet has a joint section received in the receiving bore and having water guide tubes fit into the water inlet passages. The joint section forms two receiving apertures receiving therein positioning modules respectively engageable with the positioning holes to fix the faucet and being released by the releasing module to detach the faucet from the base.

Abstract: A spool assembly includes an mounting base, having a upper mounting section and a lower mounting section arranged in axial direction; a first outlet, disposed between the upper mounting section and the lower mounting section; a stationary member, mounted on the lower mounting section, and having a stationary member diversion area; a movable member, one end face of which may be attached to one end face of the stationary member, and having a movable member diversion area located on the same plane with said first outlet; a mandrel, mounted on said upper mounting section and having a blocked upper end and a cavity; the lower end of said mandrel and said movable member have a diversion area located therebetween, which may be in communication with said cavity; the stationary member diversion area communicated or staggered with the mobile diversion area when the mandrel drives the movable member to rotate.

Abstract: In various embodiments, an electronic flow selector of a fluid flow control system may be used to select a flow rate of a fluid. When the system is in an electronic mode, an encoder may electronically encode the fluid flow selection. A controller may receive the electronically encoded flow selection and transmit a corresponding control signal to an electronic valve to allow the fluid to flow at the selected flow rate. When the system is in a manual mode, backup manual flow selectors may be used to directly control the flow rate of a fluid. When the system is in a manual mode, the mechanical backup flow selectors may be in a deployed position. When the system is in an electronic mode, the mechanical backup flow selectors may be in a retracted position. Particular applications to gases and anesthesia delivery are disclosed herein.

Abstract: Valve of the type having a body which is provided with an inlet and an outlet of a fluid which are reciprocally put in flow communication by means of a communication chamber in which said communication chamber can be occluded by means of closure means and in which the communication chamber is divided in a first chamber and a second chamber, each putting in flow communication the inlet and the outlet of the fluid according to a parallel configuration. The first chamber is provided with first closing means, the second chamber is provided with second closing means and there is further provided at least one third closing means.

Abstract: In various embodiments, a flow selector of a fluid flow control system may be used to select a flow rate of a fluid. When the system is in an electronic mode, an encoder may electronically encode the fluid flow selection. A controller may receive the electronically encoded flow selection and transmit a corresponding control signal to an electronic valve to allow the fluid to flow at the selected flow rate. An engagement device, such as a clutch, may disengage the flow selector from a mechanical valve when the fluid flow control system enters a manual mode. When the system is in a manual mode, the engagement device may engage the flow selector with the mechanical valve, allowing the flow selector to directly control the flow rate of the fluid through the mechanical valve. Applications to gases and anesthesia delivery are disclosed herein. Various alternative components and embodiments are described herein.

Abstract: A miniature quantum fluid transfer system configured to regulate the flow rate of a fluid by allowing passage of small, discrete increments of fluid through the valve including a valve body having at least one inlet to receive fluid and at least one outlet to release fluid, and a valve rod movably disposed in a first chamber in the valve body. The valve rod has a plurality of fluid passages spaced longitudinally along the valve rod, and the valve rod is movable to align each fluid passage with an inlet or outlet port in the first chamber to allow fluid to flow through selected inlet or outlet ports corresponding to selected fluid passages. The quantum fluid transfer system has a plug movably disposed in a second chamber to push a corresponding volume of fluid out of the second chamber at the end opposite the end the fluid entered.

Abstract: According to one embodiment, a flow rate adjusting unit is disposed on a gas passageway and includes a valve that adjusts the flow rate of a gas and an actuator that controls the displacement amount of the valve. A displacement amount storage unit stores displacement amount information in which a displacement amount of the valve, used when a gas flows into the gas passageway at a flow rate defined according to a process procedure before performing the process procedure, is obtained in advance for each process procedure. A setting circuit acquires the displacement amount corresponding to the process procedure from the displacement amount storage unit, and controls the actuator on the basis of the acquired displacement amount.

Abstract: The valve is switchable between metering, full flow and shut off configurations. The preferred embodiments of the inventions include a metering-full flow, a metering-shut off and metering-shut off-full flow valves.

Abstract: In a soft start device for pneumatic systems comprising a primary inlet where compressed air can be supplied at primary pressure, wherein the primary inlet is, via a valve circuit, connected to at least one secondary outlet which can be coupled to a load and where compressed air can be discharged at secondary pressure, the secondary pressure being lower than or equal to the primary pressure, wherein a main valve is installed between the primary inlet and the secondary outlet, a restrictor device being installed in the bypass, wherein the main valve and the restrictor device together with further directional valves of the valve circuit are interconnected such and the valve circuit can be switched into a standard switching position for venting such that the secondary outlet is vented, the valves of the valve circuit are interconnected such that several further switching positions for venting are possible.

Abstract: A hands free water system and method for use with an existing or new wash basin.

Abstract: Excess flow valve devices, which are responsive to pressure and flow conditions in a bi-directional system, including structures to restrict flow in one direction through openings of a stopper of an excess flow valve based on balancing forces from at least a spring and a frictional force caused by the flow. Bi-directional system employing at least one pressure delayer responsive to pressure and flow impulses to protect a tank valve of a storage tank or a regulator during a refill phase or a discharge phase.

Abstract: A soft start device for compressed air systems comprises a primary inlet at which compressed air at a primary pressure may be supplied, the primary inlet being connected with a secondary outlet able to be coupled with a load, by a valve circuit, at which compressed air is taken at the secondary pressure lower than or equal to the primary pressure, a principal valve placed between the primary and secondary outlet, said principal valve being able to be shunted by a bypass, a choke device being placed in the bypass, the principal valve and the choke device together with further valves of the valve circuit being connected together in a circuit and the valve circuit placed in a standard venting switching setting that the secondary outlet is vented.

Abstract: A faucet device includes a block disposed in a faucet member and having two passages for receiving hot and cold water and having an entrance and an exit coupled to a solenoid valve, a housing disposed in the faucet member and having two ports aligned with the entrance and the exit of the block and an outlet for supplying the water out of the faucet member. A controlling device may control the water to selectively flow through the ports of the housing to allow the faucet device to be selectively operated either manually or automatically. A valve shank may control the hot water and the cold water to flow through the passages and to be mixed in the block.

Abstract: A system and method for thermal management of a die is disclosed wherein cooling of the die is controlled by controlling coolant flow to switch between laminar flow and turbulent flow as desired.

Abstract: A manual-automatic water faucet includes a shell installed inside with a water intake base, a water outlet valve, an electromagnetic valve, an induction device and a control device. The control device is composed of a valve rod, a spindle and a revolving button. The revolving button is able to actuate the valve rod to rotate or actuate the spindle to shift axially. When the valve rod is actuated to rotate, it can control water temperature, and when the spindle is actuated to shift axially, it can control the faucet to supply water automatically or manually.

Abstract: The redundant valve system 10 of the preferred embodiments includes a first valve unit 12, a second valve unit 14, a third valve unit 16, a first diagnostic device 18, a second diagnostic device 20, and a control unit 22. The third valve unit has a first position that allows fluid flow toward the first valve unit and a second position that allows fluid flow toward the second valve unit. The first diagnostic device and the second diagnostic device are adapted to detect the presence of a fault in the first valve unit and the second valve unit, respectively. The control unit is coupled to the third valve unit and adapted to cycle between a first operation mode that requests the first position for the third valve unit and a second operation mode that requests the second position for the third valve unit.

Abstract: A multiway rotary valve includes two valve elements for directing a pressurized medium to and from two working chambers of a servomotor and to a return connection for a pressurized-media vessel. The two valve elements can rotate relatively to each other. One valve element has a cavity, in which two planar control surfaces facing each other are disposed. The other valve element is a planar disk, which has two planar control surfaces facing away from each other. The planar control surfaces of the two valve elements have control openings that interact with each other. The inner valve element can be rotated by a limited angle by an actuator. The actuator, in the form of, for example, an impacting rod acts upon the valve element in a tangential direction. The valve element is designed as a semicircular disk, upon the radial contact surfaces of which the two impacting rods act, the two impacting rods being controllable by electromagnets.

Abstract: A multiple output modular pneumatic pressure valve has a plurality of modules connected together. Each module has a regulator, shuttle valve and four way solenoid actuated spool valve for provides a plurality of pneumatic pressures to a single outlet which may be quickly selected via the actuation and deactuation of the proper valves. Adjustment of the pneumatic pressures can be easily performed by rotation of a knob of the pressure regulator.

Abstract: A multiple output modular pneumatic pressure valve has a plurality of modules connected together. Each module has a regulator, shuttle valve and four way solenoid actuated spool valve for provides a plurality of pneumatic pressures to a single outlet which may be quickly selected via the actuation and deactuation of the proper valves. Adjustment of the pneumatic pressures can be easily performed by rotation of a knob of the pressure regulator.

Abstract: A protective device for a hydraulic system includes a block which forms a housing with at least one fluid flow inlet into the housing and at least one fluid flow outlet. A plurality of fluid flow channels within the housing connect the inlet and the outlet. Each of the fluid flow channels contain a hydraulic fuse adapted to close its associated fluid flow channel when a selected flow rate of hydraulic fluid is exceeded, each of the fuses having a different selected fluid flow rate which causes closure thereof. A valve in each of the fluid flow channels provides for selectively opening and closing the fluid flow channels so that a selected one of the channels is open and all others of the channels are closed. The valves may be integral with single rotatable valve stems, or of various alternative designs, for example, maunually, mechanically or electronically controlled valves.

Abstract: An instant-on valve assembly with manual override is designed to be connected to a tank containing high pressure gaseous fuel. The valve assembly and manual override allows the tank to be alternately closed off, vented or allows the gas in the tank to bypass the instant-on valve. The instant-on valve assembly can be repaired or replaced without venting the tank. The instant-on valve assembly has a main valve and a bleed valve The main valve has a secondary plunger that opens and closes a main orifice. The bleed valve has a bleed valve stem that opens and closes a bleed orifice. The main valve is slidably mounted within a housing and has a chamber at one end and a zone at another end. Both the zone and the chamber have access to high pressure gaseous fuel within the tank. High pressure gaseous fluid within the zone can be drained when the bleed valve stem is fully open. The bleed valve stem is connected to a solenoid and opens upon activation of the solenoid.