Abstract: A shape changeable material includes a hierarchical structure including a basic displacement unit that includes a basic separation structure and basic unit cells, and a higher level displacement unit located inside the basic unit cell and including higher level unit cells distinguished from each other by a higher level separation structure, in which a separation structure including the basic separation structure and the higher level separation structure includes joints connecting neighboring unit cells to each other. By further forming a coating layer having electric conductivity, a shape changeable electrode includes a supporter that includes a shape changeable material, and the electric conductive coating layer provided on the supporter.

Abstract: A fuel cell system is configured to: calculate a target stack supply flow rate; calculate a compressor supply flow rate based on a stack supply flow rate and the target stack supply flow rate; set a larger one of the compressor supply flow rate and a lower limit flow rate, determined depending on an operation state of the fuel cell system, as a target compressor supply flow rate; control a bypass valve based on the stack supply flow rate and the target stack supply flow rate; fix the bypass valve when the stack supply flow rate is in a predetermined bypass valve fixing range, and the stack supply flow rate becomes less than the target stack supply flow rate; and release the fixation of the bypass valve when the target compressor supply flow rate becomes more than the lower limit flow rate after the bypass valve is fixed.

Abstract: A rotary flow divider assembly is provided that includes a housing having an inlet passage configured to receive agricultural product, a first outlet passage configured to discharge the agricultural product, and a second outlet passage configured to discharge the agricultural product. The rotary flow divider assembly also includes a rotary valve selectively rotatable between a first position that facilitates flow of the agricultural product from the inlet passage to the first and second outlet passages, a second position that facilitates flow of the agricultural product from the inlet passage to the first outlet passage, and substantially blocks flow of the agricultural product from the inlet passage to the second outlet passage, and a third position that facilitates flow of the agricultural product from the inlet passage to the second outlet passage, and substantially blocks flow of the agricultural product from the inlet passage to the first outlet passage.

Abstract: A rotary valve for an adsorption heat pump may include a cylindrical valve body, arranged rotatably about a central axis in a predetermined rotation direction with an outer covering and two front plates. A plurality of counter-directional high temperature connections may be arranged on the outer covering for connecting a high temperature heat source. A plurality of counter-directional medium temperature connections may be arranged on the outer covering for connecting a medium temperature heat sink. A plurality of sorption module connections may be arranged on the front plates for connecting a plurality of corresponding sorption modules. A duct system may pass through the valve body for directing a fluid, and a throttle, integrated into the valve body, may be included for constricting a flow cross-section at a throttle site of the duct system. The duct system may include open ducts and closed ducts.

Abstract: The present invention provides a method and apparatus for substantially eliminating destructive transients of pressure or flow rate which can degrade the efficiency and useful lifetime of chromatography columns. The present invention enables a substantially constant flow of mobile phase liquid to be maintained through the chromatography system by eliminating the flow blockage interval associated with the actuation of sample injection valves. The present invention further provides a method to reduce the pressure and flow rate transients associated with pressurization of the sample loop contents when the sample loop is introduced to chromatography system delivery pressure.

Abstract: A rotational angle detector includes a rotary element rotatable around a rotational axis line, the rotary element having a detected portion on an outer circumference, a detection element provided on a radially outside of the detected portion so as to face the detected portion, and a seat having a mounting surface on which the detection element can be mounted, the mounting surface extending around the rotational axis line. The seat is configured such that a distance between the mounting surface and the detected portion in a direction parallel to the rotational axis line varies along a circumferential direction of the seat.

Abstract: In a sampling head (1) of an analysis arrangement (31), provision is made that a sample stream delivered via a sampling line (2) and a dilution air stream delivered through a dilution air inlet (4) are mixed together in a dilution unit (3) in such a way that a volumetric quantity entrained in at least one receiving space moved along by a movable element (8) between the sampling stream and the dilution air stream are exchanged with each other, wherein the analysis arrangement (31) has a gas analyzer (35) for the analysis of the slightly diluted sample stream and a particle determination unit (32) for the analysis of the enriched dilution air stream.

Abstract: The invention relates to a fluid circulation valve, notably for a motor vehicle, comprising a body (2) and a shutoff element (3) able, by rotation of said element (3) with respect to said body (2), to occupy various angular positions, said body (2) having a first (6), a second (7), a third (21) and a fourth (22) inlet/outlet. Said valve is configured so that it: —in a first of said angular positions allows fluid to circulate from the first (6) to the second (7) inlet/outlet, —in a second of said angular positions allows fluid to circulate from the first (6) to the third (21) inlet/outlet, and from the fourth (22) to the second inlet/outlet (7), —in a third of said angular positions allows fluid to circulate from the first (6) to the fourth inlet/outlet (22) and from the third (21) to the second (7) inlet/outlet.

Abstract: Methods and systems are provided for controlling motive flow through an ejector using a pneumatically controlled valve. A vacuum actuated valve may be opened at low vacuum conditions to increase motive flow through the ejector while the valve is closed at high vacuum conditions to decrease the motive flow. This allows motive flow through the ejector to be controlled based on vacuum needs at low component cost.

Abstract: Methods and systems are provided for controlling motive flow through an ejector using a pneumatically controlled valve. A valve coupled upstream of an intake ejector may be adjusted based on boost pressure to control motive flow into the ejector from upstream of a compressor. This allows motive flow through the ejector to be controlled based on vacuum needs at low component cost without loss of boost pressure.

Abstract: The invention relates to a distributing head, which is used to distribute a hot liquid over an infusion material in a beverage maker. The distributing head has a housing (1, 2, 3, 4), which has an interior (7) and an inlet (13) for the liquid that opens into the interior (7) and a plurality of outlet openings (35), which lead outward from the interior (7). The housing (1, 2, 3, 4) has at least one first portion (1, 2), which is made of a first material, and at least one second portion (3, 4), which is made of a second material that repels liquid better than the first material.

Abstract: A flow channel switching valve is provided including a stator and a rotor inside a housing, in which the rotor is rotated by a rotor drive portion while sliding on the stator. A rotor drive shaft holding the rotor is biased to a housing top side by an elastic member. A drive shaft stopper is provided that limits movement when the rotor drive shaft moves to the housing top side from a normal position when a housing top is attached to a housing body.

Abstract: A flow channel switching valve is provided in which a stator and a rotor are contained in an internal space of a housing, and a packing is sandwiched between a flow channel connection plane, which is one plane of the internal space of the housing, and the stator. In the flow channel connection plane of the housing, a packing gland is provided at a distance from a flow channel connection portion so as to surround an outer circumference of the flow channel connection portion, and the packing gland is in contact with a circumferential edge portion of the packing on the same plane as the flow channel connection portion.

Abstract: A diverter cartridge for a fluid mixing valve includes an inlet adapter having a first inlet port, a second inlet port, a first outlet port and a second outlet port. The cartridge further includes a diverter plate having a first inlet channel and a second inlet channel. The diverter plate is rotatable relative to the inlet adapter between a first end position, a second end position, and a neutral position between the first and second end positions. Rotation of the diverter plate from the neutral position toward the first end position increases a volume flow rate through the cartridge and diverts the fluid to the first outlet port. Rotation of the diverter plate from the neutral position toward the second end position increases a volume flow rate through the cartridge and diverts the fluid to the second outlet port.

Abstract: A rotary shear valve having three-point stator seating is provided. Three contact points are predetermined between a bottom of the stator and a valve body rim and three clamping pads may also be predetermined. The three clamping pads and the three points of contact between stator and the valve body rim are corresponding and aligned when the rotary shear valve is assembled so that the clamping or compression forces on both sides of the stator directly oppose one another, thereby effectively canceling each other. In one embodiment, the stator includes three contact points on the bottom surface proximate the periphery of the stator to contact the valve rim and a gasket includes three clamping pads proximate the periphery of the gasket web to apply a compression force on the top surface of the stator above the three contact points.

Abstract: A valve assembly for an engine, the valve assembly can include a housing; an in-flow port configured for connection with a drain line; a first out-flow port configured for connection with a fuel line; a second out-flow port configured for connection with a disposal line; and a passageway that is rotatable with a handle, the passageway being operable to redirect a flow of a fluid between the fuel line and the disposal line. The handle is configured to impede an attachment of the fluid source to a water wash connection when the passageway is in a position to direct the flow of the fluid from the drain line to the fuel line.

Abstract: A medical port includes a main channel with a lumen to conduct a first fluid through the port, a secondary channel aperture of a secondary channel to add a second fluid in the main channel, at least one housing element and at least one actuation element arranged to be transferable relative to the housing element from a first position into a second position, a seal section, which is arranged to be rotatable between a first position of the seal section, in which the seal section does not close, seal or cover the secondary channel aperture and a second position of the seal section, in which the seal section closes, seals or covers the secondary channel aperture, when the actuation element is transferred from the first position to the second position. A blood hose including at least one port, and a medical treatment apparatus are also described.

Abstract: The valve comprises: a body (2) through which the fluid flows; and a controllable rotary closure means (3) disposed in the body, which can be rotated in relation to the body in order to occupy different angular positions. Advantageously, the body (2) comprises an inner cylindrical housing (4) having a circular cross-section, and the closure means (3) comprises one portion (14) arranged on a plane inclined in relation to the cylindrical housing (4) and co-operating with the side wall (5) of the housing by means of a peripheral generatrix, such as to provide a sealed contact between the closure means (3) and the body (2) in at least one angular position.

Abstract: A water divider includes a water divider shell with openings formed on two ends and sides. A fixed water dividing device and a rotated water dividing device are provided within the water divider shell. A first through hole extends between the side and the bottom end of the fixed water dividing device, the side through hole opening position of the first through hole corresponds to the position of the opening provided on the side of the water divider shell. A second through hole extends between the top end and the bottom end of the fixed water dividing device, the top end through hole opening of the second through hole corresponds to the top end opening of the water divider shell. The rotated water dividing device includes a third though hole having a through hole opening that corresponds to the bottom end opening of the water divider shell.

Abstract: According to a preferred embodiment of the present invention there is provided a stopcock including a housing element defining at least first, second and third ports, a handle element which is selectably positionable relative to the housing element, at least one fluid passageway communicating between at least two of the at least first, second and third ports, the at least one fluid passageway being selectably defined by at least one of the housing element and the handle element, the at least one fluid passageway being configured for enabling flushing an internal volume of at least one of the first, second and third ports by a fluid flow which does not flow entirely through the port whose internal volume is being flushed.

Abstract: A rotary fluid distribution apparatus has a first head with a wall extending around an interior volume thereof, and having a first orifice and a second orifice formed through the wall so as to open to the interior volume, a rotor extending through the interior volume, a first separation plate positioned within the first head and having an opening formed therethrough, a second separation plate positioned within the first head in spaced relation to the first separation plate and having a first opening and a second opening formed therein, and a tunneling channel extending between the first and second separation plates so as to communicate with the opening of the first separation plate and with the first opening of the second separation plate. The tunneling channel is movable with a rotation of the rotor.

Abstract: A throttle valve includes a throttle body including a housing having an inner surface. The throttle body includes first and second stop surfaces arranged on the inner surface. A throttle plate is rotatable inside the housing of the throttle body about a shaft between closed and open positions. A first projection is located on a first surface of the throttle plate adjacent to a radially outer end of the throttle plate. A second projection is located on a second surface of the throttle plate adjacent to a radially outer end of the throttle plate. The second surface is opposite the first surface. The first and second projections extend outwardly from the throttle plate in opposite directions and in corresponding directions of rotational movement of the throttle plate during closing to bias against the second stop surface when the throttle valve is closed.

Abstract: A rotary valve adapted for use in utility scale fluidic systems improves over conventional valving schemes by affording reductions in weight, pressure drop, cost, and actuation time, as well as providing improvements in decompression performance, higher pressure capability, and longer operational life. One embodiment of a three way valve assembly utilizes electric actuation to adjust decompression in real time and facilitate port shaping. The valve assembly utilizes a pressure balanced rotor and seals to reduce actuation and bearing loads, as well as increase seal life.

Abstract: A handheld showerhead including a showerhead portion, a handle portion, and a movable mode selector portion. The mode selector portion includes a rotationally-fixed first end coupling and a rotationally-fixed second end coupling, which is concentrically aligned with the first end coupling, and a rotatable control knob body. The movable mode selector includes a fluid seal coupled to the rotatable knob body, the first fluid seal including at least one fluid control aperture. The second end coupling also includes a fluid inlet aperture and a fluid outlet aperture. The inlet aperture is in fluid communication with a fluid supply, and the outlet aperture is in fluid communication with the control knob body. A second fluid seal is positioned between the second end coupling and the control knob body. A single mechanical fastener axially couples the control knob body to the first end coupling and the second end coupling.

Abstract: A multi-mode injection valve includes a stator having an outer stator face and an inner stator face; a plurality of fluid ports in the outer stator face; a plurality of fluid orifices in the inner stator face, the fluid orifices disposed in fluid communication with the fluid ports, respectively; a rotor having a rotor surface engaging the inner stator face of the stator; a plurality of rotor grooves in the rotor surface of the rotor, each of the rotor grooves adapted for fluid communication with a pair of the fluid orifices depending upon a rotational or angular position of the rotor with respect to the stator; and an actuator unit engaging the rotor, the actuator unit adapted to rotate the rotor relative to the stator.

Abstract: The invention relates to a valve, in particular for a component in microfluid technology, comprising valve bodies (1, 2) which have surfaces (6, 7) intended for contact with each other and which can be moved relative to each other by displacing the contact surfaces (6, 7), wherein channels (4, 5) for the inflow and outflow of a fluid open into one (6) of the contact surfaces (6, 7) and a depression (9) for forming a connection between the channels (4, 5) is provided in the other contact surface (7). According to the invention, a flexible separating film (10), which can be stretched into the depression (9) to form the connection, is arranged between the contact surface (6, 7).

Abstract: An integrated microfluidic device for carrying out a series of fluidic operations includes a housing including a plurality of n microfluidic conduits, wherein n is at least three, and a rotating valve having an internal channel with an entrance port and an exit port that are angularly separated. The rotating valve is positionable in a first position to connect two of the n fluidic conduits via the internal channel, and upon rotating the valve to a second position, two other of the n fluidic conduits are connected by the internal channel. The device further may include one or more fluidic chambers in fluid communication with respective fluidic conduits. Fluid contained in one fluidic chamber is transferrable by application of positive or negative gas pressure through associated fluidic conduits into another fluidic chamber via the internal channel. The device may be utilized to perform a variety of fluidic operations.

Abstract: Valve assemblies are described that provide bursts of gas between fluids to furnish separation between the fluids. A valve assembly includes a first valve member having ports configured to connect to an external loop, an output, and a vent, and ports configured to receive a first fluid, a second fluid, and a pressurized gas. The valve assembly further includes a second valve member coupled adjacent the first valve member having channels configured to connect the external loop to the second fluid for charging the external loop with the second fluid, and to connect the external loop to the output for supplying the second fluid from the external loop to the output. The second valve member also has one or more channels for receiving a burst of the pressurized gas via a port of the first valve member and supplying the pressurized gas to the output and/or to the external loop.

Abstract: The present invention describes a device consisting of a rotor, a holding-down device, and a base plate. The base plate is normally a fluidic system, a planar fluidic system for example or a fluidic system with several fluidic ports for a directed guidance of liquids or gases through different channels, channel systems, cavities or tubing, for the combination liquid and gas streams, or for prevention of liquid flows.

Abstract: A switchable solar heating device for a gas turbine with a compressor, having a valve for electively bypassing a solar heater arranged between a compressor stage and a turbine stage of the gas turbine. The valve is constructed as a 4-way valve with a compressor port that can be connected to the compressor stage, a turbine port that can be connected to the turbine stage, a solar input port that can be connected to an input of the solar heater, and a solar output port that can be connected to an output of the solar heater.

Abstract: A pulse valve for generating a high-volume pulsating fluid stream from a fluid supplied to the pulse valve from a pressure-generating unit. Window cut-outs are disposed opposite one another in pairs, in a housing wall, and form a first channel for conducting a constant, stationary sub-stream, a second channel for generating a second sub-stream that forms a basic pulse component, and a third channel for generating a third sub-stream that forms an additional pulse component. A rotatable rotor shaft disposed in the interior of the housing is provided with respective rotor blade assemblies associated with the second and third channels respectively. Upon rotation of the rotor shaft, the rotor blade assemblies, in cooperation with boundary edges of the window cut-outs of the second and third channels, periodically either allow a fluid stream impinging on the pulse valve to pass through the housing, or to interrupt such passage.

Abstract: A diverter valve may include a body portion and a lid portion. The lid and body portions may define a fluid chamber. The lid portion may include a first stop and a second stop. A closure member may at least partially be received within the fluid chamber. A movable member, such as a handle, may be operatively associated with closure member. The movable member may be selectively movable relative to the lid portion between the first and second stops. A stop member may be selectively positioned on the lid portion. When positioned between the first and second stops, the stop member may limit movement of the movable member to between the stop member and one of the first and second stops. The first stop, the second stop, or both, may also comprise a stop member.

Abstract: A multi-position rotary shear valve assembly having a substantially metallic or ceramic stator device and a substantially metallic or ceramic rotor device. The stator device defines a substantially planar stator face and at least two or more stator channels in fluid communication with the stator face at corresponding stator ports, while the rotor device includes a substantially planar rotor face defining one or more rotor channels. A tribological coating is disposed atop at least one of the rotor face and the stator face, which enables a substantially fluid-tight, selective relative rotation between the rotor face and the stator face, at a rotor-stator interface, between two or more rotor positions.

Abstract: A base and a stator forming a housing are joined by a stator position adjustment member. The adjustment member is a ring-shaped member having an inner diameter that is equal to the outer forms of the base and the stator, and threads opposite to each other are provided to an upper portion and a lower portion of the inner circumferential surface, along the circumferential direction. A thread for being screwed with the thread is provided, in the circumferential direction, to each of an upper portion of an outer circumferential surface of the base and a lower portion of an outer circumferential surface of an outer wall member of the stator. When the adjustment member is rotated, the base and the stator move in the direction of separating from each other or in the direction of coming close to each other.

Abstract: An electrically drivable valve for regulating volume flows in a heating and/or cooling system of a motor vehicle with a housing, on which at least two connecting pieces are formed, whereby depending on the arrangement of the valve in a heating and/or cooling circuit one or more connecting pieces are formed as inflow connections and a connecting piece as an outflow connection or one or more connecting pieces as outflow connections and a connecting piece as an inflow connection, whereby a valve body rotatable around a rotation axis is arranged in the housing. In the case of an electrically controllable valve, in which pressure losses in the control circuit are reliably reduced, in the case of an axial inflow or outflow of the valve by a heating medium and/or coolant the axes of one or more outflow connections or of one or more inflow connections are oriented axially and radially relative to the rotation axis of the valve body.

Abstract: The present invention discloses an integrated supplying apparatus for gas and sizing. It comprises a sizing barrel, a gas supply unit and a switching unit. The sizing barrel and the gas supply unit are both connected with the switching unit. When the switching unit is fixed in a first state by a safety component, the gas supply unit can only output high pressure gas through the switching unit. When the switching unit is converted into a second state by releasing the safety component, the gas supply unit in turn outputs some high pressure air into the sizing barrel through the switching unit, so that the sizing inside the sizing barrel is output under the action of the gas pressure and the gas inside the sizing barrel is then output when completing the output of the sizing.

Abstract: A valve assembly for an engine, the valve assembly can include a housing; an in-flow port configured for connection with a drain line; a first out-flow port configured for connection with a fuel line; a second out-flow port configured for connection with a disposal line; and a passageway that is rotatable with a handle, the passageway being operable to redirect a flow of a fluid between the fuel line and the disposal line. The handle is configured to impede an attachment of the fluid source to a water wash connection when the passageway is in a position to direct the flow of the fluid from the drain line to the fuel line.

Abstract: A secondary air system comprising a variable speed air pump and a gated check valve connected between the variable speed air pump and an IC engine. The gated check valve has two ports, and generally, a first of the two ports is connected to a first bank of engine cylinders, and a second of the two ports is connected to a second bank of engine cylinders. The system further comprises a controller for controlling the speed of the variable speed air pump, and the positioning of the gated check valve. The gated check valve is operable to fully close air flow to both ports, fully open air flow to one of the two ports, or variably split air flow between the two ports.

Abstract: A water valve suitable for use with a bathtub has a housing, a control bolt, an angular positioning device, an upper ceramic plate, a lower ceramic plate and a valve base. The water valve is mounted onto a water supply unit of the bathtub and used for switching between different water outlet options.

Abstract: A cryogenic turbine expander system which consists essentially of a cryogenic liquid pressure vessel, and the vessel further accommodating a turbine expander, an internal bypass configuration, which are operable in parallel, a three-way valve to direct incoming high pressure liquefied gas flow to the turbine expander, or the internal bypass configuration, which further consists a Joule-Thomson valve, when the turbine expander is not operational.

Abstract: A diverter cartridge for a fluid mixing valve includes an inlet adapter having a first inlet port, a second inlet port, a first outlet port and a second outlet port. The cartridge further includes a diverter plate having a first inlet channel and a second inlet channel. The diverter plate is rotatable relative to the inlet adapter between a first end position, a second end position, and a neutral position between the first and second end positions. Rotation of the diverter plate from the neutral position toward the first end position increases a volume flow rate through the cartridge and diverts the fluid to the first outlet port. Rotation of the diverter plate from the neutral position toward the second end position increases a volume flow rate through the cartridge and diverts the fluid to the second outlet port.

Abstract: A flow channel switching valve is provided in which a stator and a rotor are contained in an internal space of a housing, and a packing is sandwiched between a flow channel connection plane, which is one plane of the internal space of the housing, and the stator. In the flow channel connection plane of the housing, a packing gland is provided at a distance from a flow channel connection portion so as to surround an outer circumference of the flow channel connection portion, and the packing gland is in contact with a circumferential edge portion of the packing on the same plane as the flow channel connection portion.

Abstract: An orifice selector module for use with flow gauges in a sprayer environment. The orifice selector module is retrofit into existing or new flow gauge assemblies and is placed in line between the spray nozzles and the flow gauges. The orifice selector module includes a rotatable cap which rotates a rotor which in turn rotates an orifice plate which features numerous orifices of different sizes. These orifices can be switched on the fly manually by the vehicle operator to increase or decrease flow through a particular hose from a particular flow gauge.

Abstract: Various systems, methods and apparatuses for a rotary valve are disclosed. A rotary valve apparatus may have a case, a fluid conducting apparatus inside the case, and an electromagnetic actuator. The electromagnetic actuator may align the fluid conducting apparatus with various ports in the case. In this manner, fluid may be conducted through the ports. The electromagnetic actuator may rotate the fluid conducting apparatus to align with different ports in the case. Thus, the apparatus may operate as a valve, connecting and disconnecting various ports in response to the electromagnetic actuator.

Abstract: A flow path switching valve arranged to rotate a main valve with an auxiliary valve to switch a cooling state and a heating state, which provides a reliable operation of the main valve by simplifying the rotation movement of the auxiliary valve and the main valve and provides reduced switching time. An outdoor heat exchanger-side pressure equalizing hole and an indoor heat exchanger-side pressure equalizing hole are formed at the main valve. An occluding portion for opening and closing of the pressure equalizing holes is formed at the auxiliary valve. The main valve is rotated 90 degrees by merely operating the auxiliary valve along one direction in forward or reverse direction to switch between the cooling state and the heating state.

Abstract: A multiple fluid selection valve including a stator and a rotor is provided. The stator includes a stator interface and a plurality of ports arranged into a plurality of port groups. Each port group has a common port and non-common ports. The non-common ports include a first non-common port and a second non-common port. The rotor includes a plurality of first channels, each first channel extending from an axial center of the rotor to at least a point on the rotor interface alignable with the common ports for fluid communication therewith. The rotor also includes a plurality of second channels, each second channel extending from at least a point on the rotor interface alignable with the common ports for fluid communication therewith to at least a point on the rotor interface alignable with the first non-common ports and/or the second non-common ports for fluid communication therewith.

Abstract: Embodiments of the present invention feature a device (1) and method for performing steps of a multi-step process in parallel. The device (1) and method feature a rotor assembly (13) having vessel stations (33) and stator assembly (15) having work positions. The rotor assembly (13) rotates the vessels (17) to the work stations to perform steps of a multi-step process at the same time.

Abstract: A fine ceramic switch valve for a bathtub includes a water control valve, a valve piece, a switch valve piece, a control shaft, a valve cover, and a valve shell. The water control valve has a first water outlet hole and a second water outlet hole for the bathtub and shower head. The first water outlet hole is smaller to form a smaller water channel, so the water pressure is higher to generate a stronger water flow and effectively reduce water output. The second water outlet hole is larger to form a larger water channel, so when the water passes through the second water outlet hole, as well as a fully open through hole of the bottom of the water control valve, the amount of water can be significantly increased to fill the bathtub and thus to increase the convenience and practicability of the switch valve structure.

Abstract: A shaft body (12) is rotatable around an axial line (C-C). A first valve element (13a) is located between a first opening (11a) and a second opening (11b) and it has a first notch (13a1). A second valve element (13b) is located between first opening (11a) and a third opening (11c) and it has a second notch (13b1). By rotating first and second valve elements (13a, 13b) around the axial line (C-C) as a center (O), an operation for opening and closing first and second notches (13a1, 13b1) can be performed.

Abstract: A flow diverter which is well suited for use in the medical environment to direct an inflow of various fluids (such as air and oxygen among others) to one of two (or more separate outlets. The diverter has a minimal amount of components and relies on a minimal amount of seals to effectuate a full diversion of flow between two outlets. The flow diverter 10 includes outer housing 12, flow selector valve 14 and seal members 16. The seal members are positioned so that one of the seal members is positioned within a non-planar groove on the selector valve.