Abstract: A rotary-type valve device is provided, and includes: a tubular valve having an inner passage Ip and opening parts opened in an outer circumferential wall and rotating about a predetermined axial line a shaft rotating integrally with the valve, a housing accommodating the valve, supporting the shaft to be able to turn, and defining a communication port causing the inner passage to communicate with outside; a passage member assembled in the housing such that that the passage member abuts on an outer circumferential wall of the valve and defining a radial-direction passage. The valve includes a recessed part in the axial line direction and surrounding one end part of the shaft. The housing includes a tube part inserted into the recessed part and supporting the one end part and a support hole supporting the other end part of the shaft.

Abstract: An equalization valve includes a valve body defining an inlet body, an outlet body, and a gate slot, the inlet body defining an inlet passage and the outlet body defining an outlet passage; a gate defining an equalization chamber, a first equalization channel, and a second equalization channel, the equalization chamber and the first and second equalization channels defining an equalization pathway across the gate; and an actuation stem slidable within the equalization chamber between a first chamber position, wherein the actuation stem blocks the equalization pathway, and a second chamber position, wherein the actuation stem unblocks the equalization pathway; wherein the actuation stem is further slidable within the gate slot of the valve body between a first valve position, wherein the gate is seated with the valve body, and a second valve position, wherein the gate is unseated from the valve body.

Abstract: In order to fill a reservoir while avoiding laborious manual filling operations, there is added to the existing device, including a supply duct, a pump and a measuring probe, a stop valve designed to interrupt the filling as soon as the desired level has been reached, which is detected for example by an air intake which controls the closure of the valve. Two level indicators are added and make it possible to ascertain either that optimum filling has been achieved or that a malfunction is present in the system. Application to the systems for oil filling of aircraft engine reservoirs from another reservoir arranged within the aircraft, generally common to all the engines.

Abstract: Example aspects of a seat assembly for a valve, a valve, and a method for opening a valve are disclosed. The seat assembly for a valve can comprise a diaphragm defining a first diaphragm end and a second diaphragm end, the diaphragm comprising a diaphragm end wall at the second diaphragm end, the diaphragm end wall defining an inner diaphragm end wall surface and an outer diaphragm end wall surface; and a diaphragm guide comprising a guide disc, the guide disc defining an inner guide disc surface and an outer guide disc surface, the outer guide disc surface abutting the inner diaphragm end wall surface.

Abstract: A valve device includes: a casing including a valve chamber; a valve seat disposed in the valve chamber and including a valve hole; a float disposed in the valve chamber and movable in accordance with the amount of drain in the valve chamber to thereby open and close the valve hole; and a support supporting the float in the state of being seated on the valve seat and closing the valve hole. The support includes a base including an opening and having a frame shape, and two float seats disposed in the base, and the float in the state of being seated on the valve seat and closing the valve hole is seated on the two float seats.

Abstract: A split body, rotary C gate, removeable stem vacuum valve using an input assembly with handle extensions that allow for hand movement of the incoming pipe to access an inner aperture body with a curved sealing face that directly seals to a C shaped gasketless gate that can be rotated into and out of the inner body aperture for easy cleaning. The gasketless gate is held in position using gate axles with an outer axle stem connected to a polygon lower body that mates into a matching polygon aperture on the gasketless gate. The middle valve assembly's gasketless housing body defines upper and lower axle washer pockets for locating the axles for proper operation and simple axle pins for securing the axles in position.

Abstract: The present invention provides a seal ring structure, which comprises a seal ring member. The seal ring member includes a first ring opening on one side and a second ring opening on the other. A periphery of the first ring opening includes a plurality of leak grooves. When the seal ring member and the valve ball squeeze each other, the plurality of leak grooves can reduce the torque required to rotate the valve ball. A leak-groove length of the plurality of leak grooves is smaller than a seal-ring-member length of the seal ring member. The plurality of leak grooves do not penetrate the seal ring member for avoiding leakage of fluid.

Abstract: A valve assembly can include a housing having multiple longitudinally spaced apart ports, a sleeve longitudinally displaceable in the housing, and at least one deflector ring configured to block flow through an annular space formed between the housing and an outer surface of the sleeve. The deflector ring is positioned longitudinally between an adjacent pair of the ports. Another valve assembly can include a housing having a port, a sleeve longitudinally displaceable in the housing, and a nozzle having an orifice in communication with the port. The nozzle is secured to the housing.

Abstract: Foot support systems include a fluid flow control system that facilitates movement of fluid into, out of, and/or within a sole structure and/or article of footwear, e.g., to change and/or control pressure in fluid filled bladder(s). The fluid flow control system includes: (a) a manifold body defining an internal chamber; (b) at least a first port in fluid communication with the internal chamber; (c) at least a first valve (including a first valve activator) controlling fluid flow through the first port; and (d) a movable cam at least partially within the internal chamber. Valve activator surface(s) on the cam interact with the valve activator(s) to selectively open and close valve(s) based on cam positioning.

Abstract: A floating valve for air ventilation mounted in a vent hose connected to a surge tank of a vehicle cooling system includes: an upper port including a first hollow, wherein an upper end portion of the first hollow is connected to the vent hose; a lower port including a second hollow, wherein a lower end portion of the second hollow is connected to the vent hose at a location facing the upper port; a structure portion provided to connect the upper port and the lower port to each other in fluidical communication with the upper port and the lower port; and a floating ball provided to be movable inside the structure portion so that the floating ball floats to seal an opening of the first hollow in the upper port when cooling fluid flows into the structure portion.

Abstract: There is provided a valve device including: a housing in which a valve chamber is provided on a lower side and a ventilation chamber is provided on an upper side via a partition wall, the partition wall being formed with a valve hole; a float valve; and a pressure adjusting valve. An accommodation portion is provided in a protruding manner from a surface of the partition wall. An accommodating space configured to accommodate the pressure adjusting valve is formed on an inner side of the accommodation portion, and an outer space is formed on an outer side of the accommodating space. The accommodation portion is formed with an opening through which the accommodating space and the outer space communicate with each other.

Abstract: A diaphragm poppet valve has a control diaphragm which is resilient in shape and separates a control chamber from a working chamber. The control diaphragm is designed as a single piece on the side thereof facing the control chamber or the working chamber of the diaphragm poppet valve with a hollow portion and on the side thereof facing the working chamber with a diaphragm valve seat. The interior of the hollow portion issues into the diaphragm valve seat and the hollow portion is connected to a fluid channel in the diaphragm poppet valve. The diaphragm poppet valve is easy to clean because the interior of the hollow projection and the diaphragm valve seat formed by the control diaphragm can easily be flushed.

Abstract: A connector which couples to an outlet conduit to decrease an outlet conduit passageway pressure differential between outlet conduit opposing first and second ends, whereby the connector includes a mixing chamber having a first inlet port in fluidic communication with a connector first open end and the mixing chamber; an outlet port in fluidic communication with the mixing chamber and a connector second open end; and a second inlet port in fluidic communication with the connector second open end and the mixing chamber. Additionally, a connector including a connector internal surface defining a connector passageway which communicates between connector first and second open ends; and a sensor module operatively coupled to the connector passageway to sense a parameter of a first fluid flowing in a first fluid flow path through the connector passageway.

Abstract: A water level detection system includes a water containing vessel, an airtight tube fluidly coupled to the water containing vessel, a pressure sensor fluidly coupled to the airtight tube, and a water level control unit communicably coupled to the pressure sensor. The water level control unit is configured to control at least one of a height of water within the water containing vessel or a temperature of the water based on pressure data from the pressure sensor.

Abstract: Not only a cylindrical weight is inserted with a clearance around an outside of a first axis part or a second axis part that extends opposite to the first axis part and is movable freely in an axial direction but also an annular seat surface on which the cylindrical weight is able to be seated by self-weight is provided with a governor valve. A projecting part(s) is provided with only a part in circumferential direction of one of the annular seat surface and a lower end surface of the cylindrical weight. The cylindrical weight is made sure to be supported on the annular seat surface in an inclined state from an upright posture by contact of the projecting part(s) with the other of the annular seat surface and the lower end surface of the cylindrical weight.

Abstract: One or more techniques and/or systems are disclosed for a flap valve in a diaphragm pump. The flap valve includes a body and a self-centering hinge portion. A front portion of the body includes a front surface having a raised portion and a recessed portion. The front surface is configured to form a seal with a surface of the pump when the body is in a closed position, the surface of the pump being at an inlet or an outlet of a pumping chamber. The body is configured to allow a downstream flow of a fluid when the flap valve is in an open position. The self-centering hinge portion is operably connected to the body. The self-centering hinge portion has a dynamically changing longitudinal axis. The body is configured to simultaneously translate and rotate about the dynamically changing longitudinal axis to form the seal.

Abstract: Some fluid coupling devices described herein are configured for use in fluid systems for purposes of providing a single-use, disconnection functionality that can substantially limit fluid spillage when being disconnected. In some embodiments, the coupling portions cannot be functionally reconnected to each other after being disconnected from each other.

Abstract: A diaphragm valve including: a valve body having a flow path formed therein and a valve chamber recessed from an upper surface of the valve body; a diaphragm that is disposed in the valve chamber and elastically deformable to open and close the flow path and adjust an opening degree of the flow path; a stem for pressing the diaphragm to elastically deform the diaphragm; an actuator for driving the stem; a support mechanism that is fixed to the valve body and supports the stem and the actuator; wherein the stem includes a first stem member connected to the actuator via a displacement transmitting member, and a second stem member held by the support mechanism so as to be movable in the axial direction via a sleeve, the second stem member has an upper end portion which abuts against a lower end portion of the first stem member.

Abstract: A method for manufacturing a check valve unit as a liquid flow path member, in which the liquid flow path member includes, in a flow path direction of ink, a first flow path member constituting one side of a flow path, a second flow path member constituting another side of the flow path, and a check valve including a valve body configured to stop a backflow of the ink in the flow path and a check valve holding member configured to hold the valve body, the method includes a welding step for welding the first flow path member or the second flow path member, and the check valve holding member together, and also welding the first flow path member and the second flow path member together.

Abstract: A rotary-type valve device includes: a tubular valve having an inner passage and opening parts opened in an outer circumferential wall from the inner passage toward an outward side in a radial direction; a housing accommodating the valve and turnably supports the valve; a tubular passage member assembled in the housing such that the passage member abuts on the outer circumferential wall of the valve and defining a radial-direction passage; and a biasing spring biasing the passage member toward the outer circumferential wall The passage member includes an abutting member abutting on the outer circumferential wall, and an intervening member having an annular pressing part intervening between the abutting member and the biasing spring and partially pressurizing the abutting member. The abutting member includes an annular sealing surface aligned with the annular pressing part in a biasing direction of the biasing spring.