Abstract: A bistable hoisting solenoid comprising first and second stroke end position and a stroke center position, comprising: a stator, one or more armatures, at least one coil, at least one permanent magnet and a spring system having a first spring which, in the first stroke end position, exerts a force in the direction of the stroke center position on the one or more armatures, and a second spring which, in the second stroke end position, exerts a force in the direction of the stroke center position on the one or more armatures. The one or more armatures, in the event of a loss of current, are held by permanent magnets in both stroke end positions. The first and the second springs have different paths with different lengths and/or exert in the respective stroke end position different sized forces on the one or more armatures and/or have different sized spring rates.

Abstract: A liquefied natural gas (LNG) bunkering equipment test and evaluation system is provided. The system includes a storage tank module configured to store a liquefied natural gas, a supply module for connecting the storage tank module and the bunkering module, a bunkering module configured to perform bunkering by being supplied with the liquefied natural gas, a simulation module provided at a part under the bunkering module and the supply module and the simulation module is configured to simulate a maritime situation by giving a fluidity to the bunkering module and the supply module, and a controller configured to control a driving of the simulation module, thereby simulating various situations of sea areas by giving fluidity to the storage tank module and the bunkering module.

Abstract: Valve controlled cartridge operated by a pushbutton for the mixing of water and/or for directing water coming from an inlet to one or more outlets. The valve is a flow controlled piston valve (10) with a valve piston (17) guided in the interior of the housing (13) for axial displacement, and where no mechanical connection exists between the control valve (30) and the valve piston.

Abstract: Latch protrusions of an upper surface wall are latched into latch recesses of a first front-surface half wall and an upper end portion of a second front-surface half wall of a magnetic cover, and latch protrusions of the upper surface wall are latched into latch recesses of a first rear-surface half wall and an upper end portion of a second rear-surface half wall of the magnetic cover. Hook portions of the first front-surface half wall and a lower end portion of the second front-surface half wall are folded into a coupling groove of the valve body, and hook portions of the first rear-surface half wall and a lower end portion of the second rear-surface half wall are folded into a coupling groove of the valve body.

Abstract: A valve (1) for fluids, preferably for gases, comprising an inlet passage (2); an outlet passage (3); a shutter (4) interposed between the inlet passage (2) and the outlet passage (3) and movable between an open position and a closed position; actuating means (5) operatively active on the shutter (4); and a first stabilisation membrane (6) interposed between the shutter (4) and a fixed portion (7) of the valve (1). The first stabilisation membrane (6) exposes an active wall (8) to the fluid, which has an outer surface (9) shaped in such a way that the pressure of the fluid acting on the active wall (8) is lower than the pressure of the fluid acting on the rear surface (10) of the shutter (4), preventing the fluid from opening the shutter (4), when the shutter (4) is in the closed position and when the valve (1) is in a back pressure condition.

Abstract: A fluid flow control system serving as an inflow port from a fluid reservoir (R) to the interior of a production pipe (S) is in the form of a housing (3b, 3c, 3d, 3e, 3f, 3g, 3h, 3i, 3j, 3k, 3l). The housing has a primary flow path (18) and a secondary flow path (19). The secondary flow path is in fluid communication with a chamber (B) in which is arranged an actuator (5) for a valve device (4), the valve device arranged to open and close the primary flow path. At least one flow restrictor (1,2) is arranged in the secondary flow path, the flow restrictor arranged to provide a pressure to chamber (B) sufficient to actuate the valve to an open position when the fluid flowing through the secondary flow path is oil, and a pressure sufficient to actuate the valve to a closed position when the fluid has a viscosity and/or density less than oil.

Abstract: A manual override assembly for a hydraulic power source operates to override an actuator of a hydraulic power source. The assembly includes a lever arm and connecting rods. The lever arm pivotally moves relative to a valve body of the hydraulic power source. The lever arm is connected to valve spools via the connecting rods, respectively. Each spool has a bore with an off-set opening for inserting one end of the connecting rod.

Abstract: A choke valve comprising: a body having an axial through hole and a radial entry port; a valve seat coaxially housed in the body axial through hole on a first side of the radial entry port; a pressure balanced valving member axially reciprocable within the body axial through hole between a first sealing position bearing against the valve seat and a second position spaced away from the seat; an actuator housing operably connected to the valving member; and a detachably connected reinforcement member detachably connected to the actuator housing and increasing the axial load that the actuator housing can take before failure of the actuator housing.

Abstract: A gas delivery and purging device for an additive manufacturing chamber includes at least one flexible gas tube having a gas inlet, a purging gas outlet, and a sidewall which defines a shape of the tube, and a source of purging gas operatively connected to the at least one flexible purging gas tube for selectively delivering the purging gas to the at least one flexible purging gas tube. The gas outlet includes pores defined in substantially an entire surface area of the sidewall such that the purging gas passes through the pores and is thereby released into the chamber and is suitable for delivering a large volume of purging gas in a laminar flow.

Abstract: An electromagnetic actuating device is described. The electromagnetic actuating device includes a pole sleeve, an armature disposed radially within the pole sleeve and a coil form of an electromagnetic coil disposed radially outside of the pole sleeve. The armature has a first armature end face at one end and a second armature end face at the opposite end. On or in the coil-form wall, the coil form has a longitudinal channel extending along the longitudinal direction of the coil form, by which a flow connection is created between the armature end faces.

Abstract: A solenoid valve comprising a valve portion and a solenoid portion. The valve portion has a pin, the pin having a groove. The solenoid portion has an aperture configured to receive the pin. A resilient locking device is located in the aperture, the resilient locking device configured to engage the groove when the pin has been inserted into the aperture to releasably hold the pin in the aperture. There is also a movable cap having a first and second position wherein, in the first position the movable cap does not abut the resilient locking device and wherein, in the second position, the movable cap abuts the resilient locking device so as to prevent movement of the resilient locking device out of the groove. A method of locking a valve portion to a solenoid portion of a solenoid valve is also disclosed.

Abstract: An electrically actuated valve is provided. The electrically actuated valve includes a valve housing comprising a valve chamber and a first and second port in fluidic communication with the valve chamber. The electrically actuated valve further comprises a valve sealing component including a cap sealing section adjacent to an opening in the valve housing and a valve seat arranged within the valve chamber between the first port and the second port and a plunger configured to couple to a solenoid piston and including a proximal seal configured to selectively sealingly interface with the valve seat.

Abstract: An actuator for a hydraulic valve for a cam phaser, the actuator comprising a magnetisable actuator housing that envelops a magnet coil; a pole group that is arranged in a housing receiver opening of the magnetisable actuator housing, wherein the pole group includes a pole core and a pole tube, wherein the pole core and the pole tube are connected by a connection bar and the pole core is connected with the connection bar by a pole core cone, or the pole tube is connected with the connection bar by a pole tube cone, wherein an armature is received axially movable in an inner space of the pole group.

Abstract: A valve device includes a valve casing 21, an intermediate rod portion 29, and an intermediate actuator unit 30. In the valve casing 21, a rod insertion hole into which the intermediate rod portion 29 can be inserted is formed. The intermediate actuator unit 30 includes a hydraulic cylinder that causes a piston rod portion to advance and retreat in a direction orthogonal to a second center axis direction D2. The hydraulic cylinder includes a rod guide portion that guides movement of the piston rod portion. A gap between an inner circumferential surface of the rod insertion hole and an outer circumferential surface of the intermediate rod portion 29 is formed to be wider than a gap between an inner circumferential surface of the rod guide portion and an outer circumferential surface of the piston rod portion.

Abstract: A servo valve comprises a member disposed in a cavity and axially-moveable therein. The member includes first and second sections, a central section located between the first and second sections and first and second transition sections respectively between the first and second sections and the central section, forming respective first and second outer surfaces angled relative to the axis (X). At least one of the transition sections comprises a non-circular cross-section having a concave portion forming at least part of the respective first and second surfaces and being at least partially aligned with and facing the respective first or second nozzle opening such that rotating the member in said cavity varies the level of obstruction of the first or second nozzle openings by the first or second outer surfaces.

Abstract: A system for preventing freeze-induced rupture of a supply pipe is provided, comprising remote and internal temperature sensors for determining first and second temperature data, a flow control device for attachment to the supply pipe. The flow control device comprises an upstream inlet configured to be connected to the supply pipe, a downstream outlet configured to be connected to a drainage pipe, at least one valve disposed between the inlet and the outlet and configured to selectively move between a closed position in which liquid is blocked from flowing therethrough and an open position in which flow of liquid is permitted therethrough, and at least one flow control component configured to limit the flow rate of liquid therethrough. The system further comprises a controller configured to control operation of the at least one valve based at least on one of the first temperature data or the second temperature data.

Abstract: A solenoid valve includes a magnet assembly and a valve cartridge having an armature guided movably inside a capsule, a valve insert, a slide which is guided movably inside the valve insert and has a closing element and a sealing element, and a valve body with a valve seat. A main valve includes the sealing element and the valve seat. The slide is formed in two parts with the sealing element as the first part and the closing element as the second part. When the valve is not energized, the valve is open, and when the valve is energized, the sealing element seals in the valve seat. The sealing element and the closing element are made of different materials, and the material of the sealing element allows a partial elasticity of the slide while the material of the closing element allows a partial stiffness of the slide.

Abstract: In a control unit of an electromagnetic valve system, a safety circuit includes a first switch and a second switch for switching, by control from a control circuit supply and shutdown of power from a drive power supply to an electromagnetic valve drive circuit. A common line extends to a plurality of electromagnetic valve units and is connected to one end of a plurality of solenoids. A plurality of power lines are connected to the other end of each of the plurality of solenoids. The electromagnetic valve drive circuit includes a plurality of open/close switches for switching, by control from the control circuit, supply and shutdown of power to the plurality of solenoids.

Abstract: To obtain an electromagnetic actuator capable of improving a thrust force of a movable element. Provided is an electromagnetic actuator, including: a stator, which has a first surface at one end in an axial direction and a second surface at another end in the axial direction, and is made of a soft magnetic material having a tubular space formed in the axial direction; and a movable element, which is disposed in the tubular space, and is configured to move along the axial direction, wherein the stator includes: a coil; a core portion; and a protrusion portion, wherein the movable element includes a movable element core made of a soft magnetic material and a permanent magnet, and wherein at least one of a radially inner side and a radially outer side of the permanent magnet is covered by a movable element core.

Abstract: The semiconductor device controls the first circuit for supplying/stopping the current supplied by a DC power supply to the latching solenoid consisting of a coil and a movable iron core and a permanent magnet, the current is measured based on the input from the current detection circuit. The semiconductor device includes a control circuit having a low power dissipation mode in which the leakage current is reduced, and a normal operation mode. The control circuit maintains the low power consumption mode when no current is flowing through the coil, when a current is flowing through the coil maintains the normal operation mode, further, the movable iron core It comprises a control circuit configured to detect the inflection point of the current detected by the current detection circuit when leaving the permanent magnet.