Abstract: A spool for a spool valve having a longitudinal axis (L). The spool comprising: a plurality of lands each having a substantially radially extending metering edge and an axially extending circumferential surface; a plurality of grooves separating each of the plurality of the lands; and a guiding section located axially between at least one land and an adjacent groove. The guiding section comprising a plurality of circumferentially spaced guiding surfaces being substantially flush and contiguous with the circumferential surface of the land, wherein the guiding section allows fluid communication between the groove and the metering edge of the land.

Abstract: Systems and methods are provided for enhanced valves. One embodiment is a hydraulic valve that includes a housing that defines a first port, a second port, and a third port for a hydraulic fluid, and a sleeve disposed within the housing that defines openings in fluid communication with the second port and the third port. The valve also includes a slide comprising a head and a shaft. The shaft is disposed within the sleeve and the slide is movable in a lengthwise direction from a closed position to an open position. The head includes a circumferential lip that extends perpendicular to the lengthwise direction, and that abuts the sleeve when the slide is in the closed position to prevent flow of the hydraulic fluid from the first port. The shaft provides a flow path between the second port and the third port when the slide is closed.

Abstract: A valve part that includes a body and a spool housing, wherein the spool housing has: a main body that has a hole that slidably houses a spool, a port formed in a wall surface of the hole of the main body and configured to vary a state of communication between an inside and an outside of the main body in accordance with a position of the spool, a communication hole that extends from the port toward a radially outer side, a first projection in which the communication hole is formed and which is formed so as to project from an outside surface of the main body toward the radially outer side, and a first opening at which the communication hole opens at a distal end of the first projection.

Abstract: A seal housing with fluid regulating capability is provided for use with an outlet. The seal housing includes a seal element, a fitting and a valve. The seal element includes an angled flange that is fittable to the outlet and a seal element body from which the angled flange extends. The seal element body defines a bore extending between opposite open ends of the body and receptive of fluid from the outlet. The fitting is configured to tightly engage with the outlet and to urge the angled flange against the outlet with increasing pressure as fitting-outlet engagement proceeds. A valve is constrained within the bore and configured to regulate a flow of the fluid, which is received from the outlet, through the bore.

Abstract: A check valve structure includes: a valve casing communicating with each of inflow and outflow paths for a fluid; and a valve element which is disposed in the valve casing and configured of an elastic material. The valve element has a thin portion, and a thick portion protruding from the substantial center of one surface of the thin portion. The valve casing has: a valve element support portion including an annular bottom portion capable of supporting an outer edge of a bottom portion of the thick portion, and a peripheral wall portion continuing to an outer peripheral edge of the annular bottom portion; and a valve seat portion including a valve element contact portion which is in contact with a vicinity of an outer peripheral edge portion on the other surface side of the thin portion, and a valve seat surface which can be in contact with the thin portion.

Abstract: A pilot type switching valve includes: a housing bore formed in a valve body, the housing bore having an opening end; a spool slidably housed in the housing bore, the spool being configured to allow or block a flow of the working fluid to a first relief valve; a pilot chamber to which pilot pressure biasing the spool in the valve opening direction is guided; and a spring configured to bias the spool in the valve closing direction. The spool has a bottom surface on which the pilot pressure acts in such a manner that the spool is biased in the valve opening direction, and the area of the bottom surface is smaller than the sectional area of the housing bore.

Abstract: An excess flow valve assembly includes a gas pipe, an excess flow valve and a collar crimped to an outside of a portion of the gas pipe, the crimped collar compressing the portion of the gas pipe creating a positive stop for the excess flow valve when the excess flow valve is inserted in the gas pipe.

Abstract: A rotary head, on which are arranged in a circumferential direction multiple nozzle holders each holding a suction nozzle, is provided with, separately to first negative pressure supply unit that supplies negative pressure to the suction openings of all the suction nozzles, second negative pressure supply unit that supplies negative pressure to the suction nozzle held by the nozzle holder that is lowerable when that nozzle holder is lowered. Accordingly, when performing pickup operation and mounting operation using the suction nozzle, the state of the suction nozzle is not affected by the state of the other suction nozzles.

Abstract: A check valve for a connecting rod with at least one hydraulic chamber for a variable compression internal combustion engine, wherein the hydraulic chamber is connectable by the check valve with a hydraulic fluid conduit, and wherein the check valve includes a valve closure element that is configured as a disc.

Abstract: Rotary valve assemblies are disclosed, for example, for use in a thermal management system. The assembly may include a first rotary valve including a primary shaft including a hollow portion defining a first inner cavity and a first spline piece disposed within the first inner cavity on one end and including a primary spline feature on an opposite end, the primary spline feature having one or more primary splines. A second rotary valve may include a secondary shaft including a hollow portion defining a second inner cavity and a second spline piece disposed within the second inner cavity and including a secondary spline feature having one or more secondary splines. One or both of the first spline piece and the second spline piece may be formed of metal. The primary splines and the secondary splines may be configured to mesh together to form a spline joint between the rotary valves.

Abstract: A fully removable chime or valve guard that can support the container on its top, side and bottom is provided. The removable chime or valve guard provides protection if the container is dropped on its side or top. The protection provided allows the containers to pass a drop test per 49 CFR section 178.603, so the containers can be certified per 49 CFR 178.504.

Abstract: The invention relates to an electromagnetic valve with armature means (22) which are designed to be movable along an axial direction in a valve housing (14) as a reaction to current flowing through stationary coil means (16) and which at one axial end have sealing means (28) designed to interact with a valve seat (32) assigned to a first valve inlet (P), wherein at least one second valve inlet and/or outlet (A, R) in the valve housing can be opened to the first valve inlet (P) by action of the armature means, and wherein the sealing means are provided as sealing bodies (28) on a portion (26) of the armature means of narrowed diameter, such that the sealing body having a larger diameter compared to the narrowed portion can be moved by the movement of the armature means between sealing positions formed at both axial ends of the sealing body, wherein the sealing body (28) designed as a component separate from the narrowed portion and/or designed to be releasable therefrom has a sealing portion (42), made of a po

Abstract: A servovalve includes: a fluid transfer valve assembly comprising a supply port and a control port; a moveable valve spool arranged to regulate flow of fluid from the supply port to the control port in response to a control signal; and a jet pipe assembly configured to axially move the valve spool relative to the fluid transfer assembly in response to the control signal to regulate the fluid flow. The spool includes a tubular body defining a path for fluid flow, the tubular body closed at each end by a respective end cap having openings via which, in use, fluid enters the interior of the spool. The end caps extend within the tubular body at least to an extent that they overlap the openings, and wherein the end caps are provided with filter means for filtering the fluid from the openings as it enters the spool.

Abstract: A universal adapter assembly for coupling a valve actuator to a plurality of different valves having different actuator engagement configurations includes a plurality of interchangeable connectors, a drive shaft, and an adapter bracket. Each of the plurality of interchangeable connectors corresponds to one of the different actuator engagement configurations. Each of the plurality of interchangeable connectors has a proximal end and a distal end. The distal end is configured to engage a valve control knob of a valve having the corresponding actuator engagement configuration. The drive shaft is configured to engage the proximal end of each of the plurality of interchangeable connectors. The adapter bracket is configured to be coupled to the valve. The adapter bracket is further configured to include an opening to receive the drive shaft. The adapter bracket is further configured to include a set of apertures corresponding to the actuator engagement configuration.

Abstract: A valve top has a headpiece through which passes axially a spindle that can actuate a valve which is formed by a control disk that can rotate relative to an inlet disk, wherein the lateral surface of the spindle has, circumferentially on its side oriented away from the control disk, a curved path which receives at least one cam of a control sleeve which is arranged secure in rotation, is mounted over the end of the spindle and can be moved axially along the spindle, wherein the curved path is formed such that a vertical displacement of the control sleeve along the spindle brings about a defined rotation of the spindle.

Abstract: Fluid flow control devices comprise a cylindrical body extending along a longitudinal axis and having a sidewall. The cylindrical body has a first channel extending longitudinally along the sidewall and a second channel extending longitudinally along the sidewall. At least a portion of one of the at least one first channel and the at least one second channel extends longitudinally at an oblique angle with respect to the longitudinal axis to form a pattern of channels for improving the flow characteristics of a fluid through the channels.

Abstract: A valve for dispensing fluid as a bead or a dot having a housing with an internal cavity and a disposable insert positioned within the cavity of the housing having a fluid inlet, a fluid chamber, a fluid outlet and a diaphragm adjacent the fluid chamber between the fluid inlet and the fluid outlet. The replaceable insert further has a latching mechanism adjacent the diaphragm for receipt of a reciprocating actuator to actuate the diaphragm to dispense fluid from the fluid chamber.

Abstract: Embodiments of the present invention are directed to a liquid delivery apparatus. A non-limiting example of the apparatus includes a substrate including a cavity formed in a surface of the substrate. The apparatus can also include a membrane disposed on the surface of the substrate covering an opening of the cavity. The apparatus can also include a hydrophobic layer disposed on the membrane. The apparatus can also include a seal disposed between the membrane and the substrate, wherein the seal surrounds the opening of the cavity. The apparatus can also include an electrode layer coupled to the membrane.

Abstract: A fluid delivery system includes one or more smart hoses. A smart hose of the one or more smart hoses includes a fluid conduit configured to deliver a fluid. The smart hose further includes a first electrically conductive element configured to deliver electricity through a length of the smart hose.

Abstract: An object of the present technology is to provide a rubber composition having excellent oil resistance, and a hose. The present technology relates to a rubber composition including: a polymer containing a butyl rubber and an acrylonitrile butadiene copolymer rubber having an acrylonitrile content of 25 mass % or greater, and a scale-like filler; the rubber composition being used for a hose used to transport a polyol ester and a refrigerant; and a hose.

Abstract: A hose is provided, including: a liner having a channel extending between opposing open ends; a reinforcing member surrounding the liner; and a plurality of spaced apart wrapped stiffening members surrounding the reinforcing member.

Abstract: A press fitting for pipes includes a socket with an insert opening for a pipe end. An annular groove-shaped space present in a press wall part of a press region is delimited by a limitation edge. A gripping ring is placed in the groove-shaped space. The press region is deformable from a non-compressed state a compressed state by a radially inward directed pressing action causing the press wall part to radially compress and the gripping ring to grip the pipe end. A check ring is provided which has one or more break segments and a coupling part. The break segments can be forced to break free by the pressing action, while the coupling part then comes to lie visible at least partly in between the limitation edge and the pipe end.

Abstract: A seal assembly includes an outer member defining a bore and an inner member received in the bore of the outer member and one of the outer member and the inner member defining a shoulder portion. An inner circular cross-section metallic ring member and an outer circular cross-section metallic ring member are disposed between the outer member and inner member and against the shoulder portion. A wedge member engages the inner circular cross-section metallic ring member and the outer circular cross-section metallic ring member for applying an axial force against each of the inner and outer circular cross-section metallic ring members in a direction toward the shoulder portion and for applying a radially outer force against the outer circular cross-section metallic ring member and for applying a radially inner force against the inner circular cross-section metallic ring member.

Abstract: A temporary piping system is disclosed for use in a high pressure fluidic system. The temporary piping system including a connection pin including a first sealing surface, a connection box including external threads and a second sealing surface for engaging the first sealing surface of the connection pin to create a fluidic seal, an outer sleeve including internal threads for threadingly engaging the external threads of the connection box to secure the box with respect to the inner pipe to maintain the fluidic seal, and a locking system for preventing the connection box from being separated from the connection pin.

Abstract: The present invention relates to an assembly including an end-fitting for terminating an unbonded flexible pipe and an unbonded flexible pipe. The unbonded flexible pipe includes a first and a second armour layer co-axially arranged, and an electric heating system. The end-fitting includes means for mechanically anchoring the first armour layer to the end-fitting and includes electrical connections for connecting the first armour layer to a power-source. The end-fitting also includes means for mechanically anchoring the second armour layer to the end-fitting. The first and the second armour layers are electrically insulated from each other by at least one electrically insulating layer in the end-fitting and the end-fitting includes a local volume in the end-fitting adjacent to the electrically insulating layer adapted for injection of a functional fluid.

Abstract: A connector for connecting at least a first hose having a globally cylindrical wall and a second hose with each other, the connector includes at least one spigot including at least a first end configured to be connected to the second hose, and a second end configured to be connected to the first hose, the spigot allowing an hermetic fluidic connection between the first hose and the second hose, wherein the connector further includes at least one compression element being slidably movable between the first end and the second end of the spigot, the compression element being in a locking position wherein the compression element resists a compression force on the first hose at the level of the second end of spigot, in order to secure the fluidic connection.

Abstract: A piping includes: a hose made of an elastic material; a pipe made of metal, the pipe having an insertion part inserted inside of the hose; and a sleeve arranged on an outer side of the insertion part and the hose in a radial direction. The insertion part has an uneven surface around an outer circumference side of the insertion part, and the uneven surface has an annular groove and an annular projection. The groove has a groove slope that narrows the pipe toward a tip end of the insertion part, and a groove bottom that extends from an insertion-tip-side end of the groove slope to the projection with a constant outer diameter. The sleeve has a small diameter part located on an outer side of the uneven surface in the radial direction to press the hose against the uneven surface.

Abstract: According to one embodiment a plug-in connector is provided that includes a female connector and a male connector. The female connector includes a head configured for being connected to the male connector and a body fixed to the head which is configured for being attached to a pipe/hose. A contact area comprising a line of contact communicated with the inside of the female connector is defined between the head and the body. The plug-in connector also includes a sealing gasket configured for assuring leak-tightness between the female connector and the male connector, the line of contact being arranged in a previous axial position with respect to at least part of the sealing gasket in the direction of insertion of the male connector into the female connector, such that the sealing gasket itself also assures the leak-tightness in the line of contact.

Abstract: A tube quick-release assembly includes an outer socket and an inner plug. The inner plug is movably inserted in the outer socket. An upper portion of the outer socket is formed with two opposing engaging openings. An engaging buckle is fitted on the inner plug. The engaging buckle is provided with two opposing engaging legs having hooks and flaring outward. The hooks of the engaging buckle radially engage with the two engaging openings of the outer socket to realize a quick connection of tubes. The two hooks of the engaging buckle can be pressed inward to realize a quick disconnection of tubes.

Abstract: Provided is a pipe coupling member configured to prevent a coil spring from being plastically deformed or dislodged from a coupling body even when a large force acts on a valve element. A pipe coupling member includes a coupling body having a fluid passage, a valve element displaceable in the fluid passage, and a coil spring urging the valve element toward a closed position. The coil spring is formed by helically winding a wire and has a fitting portion fitted and secured in a spring fitting groove, a locking portion contiguous with the fitting portion and having an outer diameter larger than the inner diameter of the fitting portion when fitted in the spring fitting groove, a valve support portion supporting the valve element, and an expanding-contracting portion extending between the locking portion and the valve support portion to expand and contract. When the coil spring is compressed, the locking portion is supported by the fitting portion and thus prevented from passing through the fitting portion.

Abstract: A pipe joint, made of synthetic resin, including: an inner ring; a joint body having an annular sealing groove and a male screw portion formed on an outer circumference; a union nut having a female screw portion formed on an inner circumference to be tightened onto the male screw portion of the joint body, such that a first opposing surface is formed in the joint body to be perpendicular to an axial direction, and a second opposing surface is formed in the union nut to oppose the first opposing surface. An engagement projection is provided in one of the first opposing surface and the second opposing surface. An engagement recess is provided in the other of the first opposing surface and the second opposing surface such that the engagement projection engages with the engagement recess when the union nut has been tightened up to an appropriate position.

Abstract: Apparatus for launching and receiving a pig into or from a pipeline, comprising an extension having an internal space with an access point, into the internal space, located at the end, and an exit point in the direction of the pipeline or entering into the latter, in which the internal space can be fluidically connected to the pipeline, in which in the internal space there is arranged a guiding element, for receiving the pig, that can be moved in the longitudinal direction of the extension and in the internal space, and arrangement for launching or receiving a pig in a pipeline.

Abstract: A composite article has an increased peel strength and includes a first layer including a low surface energy polymer. The composite article also includes a poly(meth)acrylate layer, an epoxide layer, and a polyurethane elastomer layer. The poly(meth)acrylate layer is disposed on and in direct contact with the first layer. Moreover, the poly(meth)acrylate layer includes a poly(meth)acrylate that includes the reaction product of at least one (meth)acrylate that is polymerized in the presence of an or -ganoborane initiator. The epoxide layer is disposed on and in direct contact with the poly(meth)acrylate layer. The polyurethane elastomer layer is disposed on and in direct contact with the epoxide layer. The composite article has a 90° peel strength of at least 50 pli measured using ASTM D6862.

Abstract: A composite article includes a low surface energy polymer layer, a poly(meth)acrylate layer, an epoxide layer, and a hydrolytically resistant layer. The poly(meth)acrylate layer is disposed on and in direct contact with the low surface energy polymer layer and includes the reaction product of at least one acrylate that is polymerized in the presence of an organoborane initiator, such that the poly(meth)acrylate includes boron. The epoxide layer is disposed on and in direct contact with the poly(meth)acrylate layer. The hydrolytically resistant layer is disposed on and in direct contact with the epoxide and is the reaction product of an isocyanate component and an isocyanate-reactive component reacted in the presence of a curing agent. The isocyanate-reactive component includes a polydiene polyol and the curing agent crosslinks the carbon-carbon double bonds of the polydiene polyol.

Abstract: A composite article is formed by disposing a poly(meth)acrylate layer, formed as the reaction product of at least one acrylate that is polymerized in the presence of an organoborane initiator, on and in direct contact with a low surface energy polymer layer, disposing an epoxide layer on and in direct contact with said poly(meth)acrylate layer, and disposing a hydrolytically resistant layer on and in direct contact with said epoxide layer. The hydrolytically resistant layer is a hydrolytically resistant polyurethane elastomer that is the reaction product of an aliphatic isocyanate component and an isocyanate-reactive component that retains at least 90% of its initial tensile strength after submersion in standardized seawater for 24 weeks. The isocyanate-reactive component is a hydroxyl-functional polymer having an average hydroxy functionality ranging from 2 to 3, wherein the hydroxyl-functional polymer is a dimer diol, a trimer triol, or a combination thereof.

Abstract: Afforded is a linear stage including first, second, and third supporting parts disposed on a supporting flat surface, a first shaft supported by the first and second supporting parts and extending in a first direction, a second shaft supported by the third supporting part and provided extending in the first direction, and a translating carriage translated in the first direction, guided by the first shaft and the second shaft. At least one supporting part among the first, second, and third supporting parts supports the shaft supported by that supporting part in a way such as to be displaceable in a second direction orthogonal to the first direction and parallel to the supporting flat surface.

Abstract: The invention relates to a system (1) for moving a support plate (2), the support plate (2) being, in a so-called neutral position, substantially parallel to an XY plane defined by a so-called X direction and a so-called Y direction, said system comprising at least two control stages (E1, E2) which are superimposed in a direction Z orthogonal to said X and Y directions, the two control stages (E1, E2) being secured to each other, at least one of said control stages (E1, E2) comprising a control module (M1, M2), the control module (M1, M2) comprising only movement units designed so as to each generate a translational movement in an XY plane, respectively in different directions.

Abstract: A height adjustable stand comprising: a concave quadrilateral linkage comprising first, second, third and fourth links in successive pivoting-only connection, an internal angle greater than 180° between the second and third links, the first link defining a minimum length of a base of the stand; a first convex quadrilateral linkage comprising fifth, sixth, seventh and eighth links in successive pivoting-only connection, the fifth link being an extension of the second link where the second link connects to the third link, the sixth link being the same as the third link; and a second convex quadrilateral linkage comprising ninth, tenth, eleventh and twelfth links in successive pivoting-only connection, the ninth link comprising the seventh link and an extension of the seventh link where the seventh link connects to the eighth link, the tenth link being an extension of the fourth link where the fourth link connects to the third link.

Abstract: A harness may be configured to carry a piece of equipment and be worn by a wearer. The harness may comprise, for example, a central mounting plate, an equipment support member configured to support the piece of equipment, one or more vertical support members, and a belt. The equipment support member, the vertical support members, and the belt may be fixedly or removably attached to the central mounting plate. In some instances, an equipment bag may be removably attached to a portion of the harness. The equipment bag may weigh about 25 pounds, and the harness may be configured to be worn for approximately 12 hours at a time. The harness may be configured to transfer the weight of the piece of equipment from the shoulders and chest to the hips and lower back of the wearer.

Abstract: The invention relates to a pressure vessel system comprising a pressure vessel for storing a gas under pressure, at a potential leakage interface of the pressure vessel, one or more gas sensitive parts configured to undergo a modification when the gas passes along the potential leakage interface; said leakage interface being an interface within the pressure vessel; and one or more detection modules configured to detect a modification of the one or more gas sensitive parts. The invention also relates to a connection assembly comprising a first connection part and a second connection part, said first and second connection part being configured to realize a gas tight connection; one or more gas sensitive parts arranged at a connection interface between the first connection part and the second connection part, and one or more detection modules configured to detect a modification of the one or more gas sensitive parts.

Abstract: A system includes a storage tank storing gas. The storage tank includes a storage tank interface portion made from a first material. The system also includes a nozzle that includes a nozzle interface portion and a first portion. The first portion is made from a second material different from the first material. Additionally, the system includes a connection formed by coupling the storage tank interface portion and the nozzle interface portion to one another, and the connection is configured to maintain a leak rate of the gas equal to or less than 1×10?4 standard cubic centimeters per second (std. cc/s).

Abstract: A method of fueling a transporter with liquefied fuel gas includes providing a transporter having a fuel gas storage tank for holding a liquefied fuel gas, a sub-cooler fluidly connected to the fuel gas storage tank, and a consumer. Liquefied fuel gas from the fuel gas storage tank is pumped into the subcooler to create subcooled liquefied fuel gas. The subcooled liquefied fuel gas may then be introduced into the fuel gas storage tank, for example by spraying into a vapor space of the fuel gas storage tank. Liquefied fuel gas is pumped from the fuel gas storage tank to provide pressurized liquefied fuel gas, the pressurized liquefied fuel gas is vaporized and the vaporized fuel gas is provided to the consumer for propelling the means of transport using the vaporized fuel gas as a fuel.

Abstract: A pressure vessel mounting structure (10) includes a plurality of bands (11) made of a composite material cured about the exterior surface (35) of the pressure vessel (30) to form an integral part of the vessel. The bands (11) may be spaced apart from one another to form a crisscrossing helical grid pattern with opposing ends (21) of the bands extending past a respective end (31) of the pressure vessel (30) and toward a longitudinal centreline (33) of the pressure vessel (30) to form a skirt (17). The skirt (17) provides mounting mounts (15) as well as a vertical standing mount for the vessel.

Abstract: Provided is a control device, etc., with which it is possible to increase the accuracy of control of a pump, valve, etc., provided to a pipeline network. This control device is provided with: a friction loss calculation unit for determining pressure friction loss on the basis of the pressure of a fluid in piping; a control amount calculation unit for determining, on the basis of the friction loss, a control amount of the pump or valve that controls the distribution of water in the piping; and a control unit for controlling the pump or valve on the basis of the control amount.

Abstract: A replacement light tube for replacing a fluorescent light tube includes a bulb portion extending between a first end and a second end, the bulb portion comprising a support structure, a plurality of white light emitting diodes (LEDs) and an elongate light-transmissive cover. The support structure has a first surface extending between the first end and the second end. The plurality of LEDs are supported by the first surface and arranged between the first end and the second end. The elongate light-transmissive cover extends between the first end and the second end and over the first surface of the support structure. A first end cap and a second end cap are disposed on the first end and the second end, respectively, each configured to fit with a socket for a fluorescent light tube. A power supply circuit is configured to provide power to the plurality of LEDs.

Abstract: The troffer retrofit kit has a first housing formed in a planar shape. A second housing is formed in a planar shape and the second housing opposes the first housing. A middle panel has a middle panel first side and a middle panel second side. The middle panel first side is parallel to an inside edge of the first housing. The middle panel second side is parallel to an inside edge of the second housing. A first end panel connects to the first housing at a first housing first end, connects to the second housing at the second housing first end, and connects to the middle panel at a middle panel first end.

Abstract: A light module for use with a vehicle includes a housing defining an internal volume and an outlet, a light source positioned within the internal volume and configured to emit light of a first color, a converter positioned between the light source and the outlet, and a lens coupled to the housing. The converter receives the light of the first color and is configured such that, after receiving the light of the first color, light of a second color different from the first color passes out of the converter. The converter is separated from the light source. The lens includes a first portion extending across the outlet and a second portion extending from the first portion toward the converter. The light of the second color passes through the second portion and the first portion and out of the light module.

Abstract: The present disclosure provides methods for generating white light. The methods use a plurality of LED strings to generate light with color points that fall within blue, yellow/green, red, and cyan color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output.

Abstract: A light emission body capable of simultaneously improving spot feature and color unevenness of illumination light is provided. A light emission body (6) according to one embodiment of the present invention includes a fluorescent substance layer (61) having a light irradiation surface (61a) irradiated with laser light (L1) and a light emitting surface (61b) emitting the laser light (L1) and fluorescence (L2), a light absorption layer (62) that blocks the laser light (L1) and the fluorescence (L2) emitted from the light emitting surface (61b), and a scattering layer (63) that scatters the laser light (L1) and the fluorescence (L2) which are not blocked by the light absorption layer (62).

Abstract: This luminous flux control member has: a plane of incidence having a first incidence plane and a second incidence plane; an emission plane; and a second concavity. The luminous flux control member satisfies the expression h1<h2+d×cot(?1+?2), where h1 is the space between the apex of the second concavity and a second imaginary line orthogonal to the center axis and that passes through the aperture edge portion, h2 is the space between the second imaginary line and the incidence position of light on the second incidence plane, d is the distance between the incidence position and the apex in the direction orthogonal to the center axis, ?1 is the angle of refraction of light in the incidence position, and ?2 is the angle of the tangent line at the incidence position in relation to the second imaginary line.