Abstract: Aspects of the present disclosure generally relate to a swimming pool having an internal lighting system. Certain embodiments may include an inflatable swimming pool including a wall and a base. The wall may include one or more inflatable chambers. One or more lighting elements may be interior to one or more of the inflatable chambers. The one or more lighting elements may be able to emit a plurality of colors. A color and/or intensity of the lighting elements may be controlled in accordance with a control command.

Abstract: A noise reduction method of a ventilator, comprising the following steps: S1 starting a ventilator and imputing a required wind pressure d at a man-machine interface, and then sending a signal to an actuator through a processor, and adjusting a first blade automatically to a maximum adjustable angle state a?° through the actuator and a second blade to a minimum adjustable angle state b°; S2 regulating a revolution speed, when a wind pressure is d, feeding back a revolution speed c, a conducting noise e1 and a radiated noise f1 to the processor through an acquisition device, and after the processor receives a revolution speed information, sending a command to lock the revolution speed to the actuator through the processor. The present disclosure can effectively solve the poor noise reduction function of the present noise reduction hoop, and can effectively reduce the cost and simplify the installation process.

Abstract: A device for washing the feet and lower legs of a user comprises a tub for receiving the feet and lower legs of the user; at least one footrest located within the tub for supporting the feet of a user during washing; a fluid supply mechanism for introducing fluid into the tub; one or more rotatable transversely extending cleaning assemblies located above the footrest for washing a user's feet; and one or more rotatable upright cleaning assemblies communicating with the fluid supply mechanism for washing one or both lower legs of the user, wherein each rotatable upright cleaning assembly is carried on a guiding mechanism for moving the one or more rotatable upright cleaning assemblies around a portion of the footrest during a lower leg and foot cleaning cycle.

Abstract: A fitting for a bathing installation includes a body portion defining a hollow main body portion having an interior opening, and a connection portion having a passageway in communication with the interior opening. The connection portion includes at least one connection port for attachment to a hose carrying pressurized water, and a flange portion defining a recessed mount surface inside a peripheral lip surrounding a recess. Open regions are defined in the peripheral lip. A nozzle member is fitted into the interior opening and has a nozzle orifice configured for concentric mounting relative to a hole formed in the wall of the vessel to allow pressurized air or water to pass from the connection port through the central opening and through the nozzle orifice into the tub hole and into the interior of the vessel.

Abstract: A controller for a bathing unit system comprising a memory unit for storing program instructions, an interface for establishing a communication link with an external memory medium and a processing unit. The controller is operative for controlling a set of bathing unit components at least in part on the basis of the program instructions stored in the memory unit. The external memory medium stores update information associated with the program instructions and relevancy information indicative of a characteristic of the update information. The processing unit is operative for detecting the presence of an external memory medium at the interface, accessing the relevancy information stored in the memory medium, processing the relevancy information and causing the program instructions to be updated on the basis of the update information.

Abstract: An air injection system for a hydro-massaging bath is described. An air convecting conduit is in communication with a plurality of injecting orifices formed in a peripheral wall of the bath. An air blower injects air under pressure in an entry opening of the air convecting conduit. A water spray injector is located downstream of the entry opening and upstream of the air injecting orifices to inject a spray of a predetermined volume of water in the injected air under pressure. A water supply conduit is connected to the water spray injector and has a flow regulating valve to regulate the volume of water spray injected in the heated air to saturate the air with water. A shut-off valve is provided in the water supply conduit, and a heater is disposed in the air convecting conduit downstream of the water spray injector and upstream of the air injecting orifices wherein heated, humidified air injected in the water contained within the bathtub does not produce a cool sensation on the body of a user person.

Abstract: A line voltage device with an auxiliary power connection for a bathing installation. An exemplary embodiment of the device includes a housing structure, and a primary electrical power connection connected to the housing structure and including a primary wiring cable for connection to a line voltage source. A load system is disposed within or adjacent the housing and configured for powered operation by electrical power from the primary electrical power connection. An auxiliary power connection is provided for electrical connection to a separate bathing installation device to provide power to the separate device. A wiring circuit is disposed within or adjacent the housing structure and electrically couples the primary electrical power connection and the auxiliary power connection so that line voltage power is shared between the load system and the separate bathing installation device.

Abstract: An air injection bathtub includes: a body part having a coupling recess formed depressedly on the bottom surface thereof; a plate part adapted to be fit to the coupling recess of the body part and having a connection groove formed depressedly on one side of the underside surface thereof, at least one air passing grooves formed depressedly on the underside surface thereof in a manner as to communicate with the connection groove and to pass the air supplied from the connection groove therethrough, and at least one air injection through-holes formed on the top surface of the plate part to inject the air passing through the air passing grooves into the body part; and a valve part disposed below the connection groove in a manner as to be open and closed through the air pressure supplied from the outside and to supply air to the connection groove.

Abstract: An air jet includes a body portion defining a hollow main body portion having an interior opening, and a connection portion having an air passageway in communication with the interior opening. The connection portion includes at least one connection port for attachment to a hose carrying pressurized air, and a flange portion defining a recessed mount surface inside a peripheral lip surrounding a recess, with a plurality of open regions defined in the peripheral lip. At least one protrusion is defined between the peripheral lip and the interior opening to reduce the volume of the recess and the amount of adhesive for installation of the air jet to the wall of the vessel. A nozzle member is fitted into the interior opening and has a nozzle orifice and nozzle tip protruding into the recess.

Abstract: An air jet includes a body portion defining a hollow main body portion having an interior opening, and a connection portion having an air passageway in communication with the interior opening. The connection portion includes at least one connection port for attachment to a hose carrying pressurized air, and a flange portion defining a recessed mount surface inside a peripheral lip surrounding a recess, with a plurality of open regions defined in the peripheral lip. A nozzle member is fitted into the interior opening and has a nozzle orifice and nozzle tip protruding into the recess, the nozzle opening configured to allow pressurized air to pass from the connection port through the central opening and through the nozzle orifice into the tub hole and the tub.

Abstract: A water supply module for hydrotherapy, which includes a pump, a water inlet, a micro bubble water outlet, a pressurized water outlet, a relief valve, and a mixer. The water inlet is connected to the pump. The micro bubble water outlet and the pressurized water outlet are connected to an outlet of the pump. The relief valve is installed in between the outlet of the pump and the micro bubble water outlet, and the mixer is installed in between the water inlet and the relief valve. A drain valve is further connected off the bottom of the pump to drain out the residual water from the pump and the piping. The integrated water supply module provides space-saving advantage. Furthermore, by draining the residual water, the water supply module also improves SPA hygiene by reducing the risk of skin diseases and infections.

Abstract: A soaking basin is provided having a base unit, a disposable liner, and a frame nested therebetween to enable removal of the liner from the base unit, even when filled with liquid. In this manner, a user can remove the liner filled with liquid to pour out the liquid and discard the liner, after a treatment has been completed. Thus, the user need not lift the entire soaking basin to pour out liquid. In addition, the user can use the frame to support the new liner while filling it with liquid, and to transport the filled liner to the base unit to service clients.

Abstract: An air injection system for a hydro-massaging bath is described. An air convecting conduit is in communication with a plurality of injecting orifices formed in a peripheral wall of the bath. An air blower injects air under pressure in an entry opening of the air convecting conduit. A water spray injector is located downstream of the entry opening and upstream of the air injecting orifices to inject a spray of a predetermined volume of water in the injected air under pressure. A water supply conduit is connected to the water spray injector and has a flow regulating valve to regulate the volume of water spray injected in the heated air to saturate the air with water. A shut-off valve is provided in the water supply conduit, and a heater is disposed in the air convecting conduit downstream of the water spray injector and upstream of the air injecting orifices wherein heated, humidified air injected in the water contained within the bathtub does not produce a cool sensation on the body of a user person.

Abstract: An air injection bathtub includes: a body part having a coupling recess formed depressedly on the bottom surface thereof; a plate part adapted to be fit to the coupling recess of the body part and having a connection groove formed depressedly on one side of the underside surface thereof, at least one air passing grooves formed depressedly on the underside surface thereof in a manner as to communicate with the connection groove and to pass the air supplied from the connection groove therethrough, and at least one air injection through-holes formed on the top surface of the plate part to inject the air passing through the air passing grooves into the body part; and a valve part disposed below the connection groove in a manner as to be open and closed through the air pressure supplied from the outside and to supply air to the connection groove.

Abstract: A light-emitting spa bubble massager includes an air provider, an air-driven light source connected to the air provider by a connection tube and having mounted therein an electrical generator that is driven to generate electricity when the air provider provides a flow of air through the connection tube into the air-driven light source and a light-emitting module electrically connected to the electrical generator and operable to emit light, and a bubble bath mat for putting in water in a water container for output of the flow of air passing through the air-driven light source to produce bubbles in the water in the water container.

Abstract: A fluid jet for injecting fluids in the liquid of a tub through a throughbore in a wall of the tub comprises a gas injector with a hollow body having a gas inlet receiving a gas flow from a pressurized gas source. A gas outlet produces a flux of gas with the gas flow. A liquid injector comprises a hollow body with a liquid inlet connected to a pressurized liquid source to receive a liquid flow therefrom. A liquid outlet produces a flux of liquid with the liquid flow, the gas injector being received in the hollow body of the liquid injector, for the gas outlet and the liquid outlet to form a common jet outlet. The liquid injector is secured to the wall of the tub opposite the throughbore such that fluids exiting the common jet outlet are directed concurrently through the throughbore into the liquid of the tub.

Abstract: In the upper part and the lower part of a micro-nano bubble generation section 34 in a micro-nano bubble bathtub 1, two kinds of micro-nano bubbles different in a size distribution are generated by first and second micro-nano bubble generators (submerged pump-type micro-nano bubble generator 2 and spiral flow-type micro-nano bubble generator 10) of two kinds, so that bathtub water containing micro-nano bubbles in a wide size distribution can be produced in a large amount. Some of the water containing micro-nano bubbles generated in the lower part is thrown into the first micro-nano bubble generator (spiral flow-type micro-nano bubble generator 10) in the upper part, so that the spiral flow-type micro-nano bubble generator 10 can generate micro-nano bubbles in a smaller size. Therefore, in this bathtub, micro-nano bubbles abundant in size and large in amount can be produced economically.

Abstract: A light-emitting spa bubble massager includes an air provider, an air-driven light source connected to the air provider by a connection tube and having mounted therein an electrical generator that is driven to generate electricity when the air provider provides a flow of air through the connection tube into the air-driven light source and a light-emitting module electrically connected to the electrical generator and operable to emit light, and a bubble bath mat for putting in water in a water container for output of the flow of air passing through the air-driven light source to produce bubbles in the water in the water container.

Abstract: A liquid aroma injector for a spa having a reservoir comprising an upper chamber, a lower chamber, and a subchamber, a plunger assembly comprising a plunger button, a shaft, and an annular flanged gasket. The shaft extends through said upper and lower chamber of the reservoir. The liquid aroma injector further comprises a hose through which liquid aroma travels to the liquid aroma diffuser that releases liquid aroma into the water of a spa.

Abstract: A motor with nozzle for a massage bathtub includes a cover, a silica gel ring, a water separator, at least one vent silica gel, at least one removable nozzle, a butterfly bolt, a propeller, a seat, and a motor. The seat is installed by an air inflow pipe, and air outlets and lamp holes are formed therein. A center axle of the motor is scaled from water and a connecting hole is formed on an end of the center axle. The butterfly bolt is screwed to the connecting hole to fix the propeller. The water separator is installed above the propeller and the vent silica gel and the removable nozzle are installed to the water separator. The cover is covered onto the seat of a motor body through the silica gel ring.

Abstract: A spa pool assembly has a pool having an enclosing wall and a base that together defines an interior. The base has a plurality of inflatable sections that are divided by a plurality of air passages that includes a first air passage that has a plurality of small bubble openings, and a second air passage that has a plurality of large bubble openings. The small bubble openings eject bubbles that are smaller in size than the bubbles ejected from the large bubble openings. The spa pool assembly can also include a bubble controller that controls the ejection of bubbles from the small bubble openings and the large bubble openings.

Abstract: A spa pool assembly has a pool having an enclosing wall and a base that together defines an interior. The base has a plurality of inflatable sections that are divided by at least one air passage. A hose delivers air from outside the pool to the air passage, with the hose extending partially inside the enclosing wall and having a U-shaped section extending outside the enclosing wall at a vertical level that is higher than the top of the enclosing wall.

Abstract: A jet face for a jet has a plurality of detents configured to aid gripping the face for rotational operation. The jet face can also include a mounting coupling to accept a removable element. The removable element can be configured as a ring-shaped element, and the coupling a groove sized to accept the element.

Abstract: Apparatus and methods include an array of a plurality of individual air injector nozzles are integrally connected to a common air flow tube. The individual nozzles include an integral attaching plate and an integral air injector tube in addition to the common air flow tube with the individual nozzles spaced along the common air flow tube. A plurality of arrays can be joined together to form an entire arrangement of any desired configuration of individual air injector nozzles that can be applied as a complete unit to a tub or spa. One or more of the arrays can be cut across the common air flow tube to achieve the exact number of individual nozzles required in accordance with the desired arrangement of air injector nozzles. The arrays, including the cut arrays can be joined together at a location other than at the tub or spa and then transferred as a complete unit to be attached to the tub or spa.

Abstract: A jet for a shower cubicle which is suitable for being applied to a side wall of the shower cubicle is described as having an end body for supplying water to the shower cubicle having a through channel for the water. The jet also includes at least one supply duct to supply pressurised water to the through channel and out a nozzle having an ejection hole to produce a water spray inside the cubicle. for the water communicating with the through channel of the end body. The nozzle is removable from the end body, allowing it to be replaced when the end body is fixed to the wall of the cubicle.

Abstract: Hartford loop manifold assembly installed in operable communication with an air control assembly in a whirlpool bathing system. The manifold assembly includes a tubular manifold housing having a coupling member in intussusceptible relation therewith. The manifold housing has an elongate body and an elongate wall coextensive with an upper body proximate extent and a lower body distal extent thereof. The elongate wall includes an internal manifold wall delineating a reception lumen that accommodates insertion of the coupling member therein. The internal manifold wall is disposed by a predetermined distance from an external manifold wall in parallel therewith to define a flow area therebetween. The external manifold wall has at least one outlet depending generally normally therefrom. Each outlet has a lumen defined therethrough for unoccluded fluid communication between each manifold flow area and at least one conduit detachably coupled to each outlet extent.

Abstract: A spa pool assembly has a pool having an enclosing wall and a base that together defines an interior. The base has a plurality of inflatable sections that are divided by a plurality of air passages that includes a first air passage that has a plurality of small bubble openings, and a second air passage that has a plurality of large bubble openings. The small bubble openings eject bubbles that are smaller in size than the bubbles ejected from the large bubble openings. The spa pool assembly can also include a bubble controller that controls the ejection of bubbles from the small bubble openings and the large bubble openings.

Abstract: A manifold device for a multi-jet pool fixture includes a central chamber having a jet interface surface. An inlet in fluid communication with the central chamber allows fluid to flow into the central chamber and out a plurality of openings disposed in the jet interface surface. An outlet in fluid communication with the central chamber allows water to flow out of the central chamber.

Abstract: A cleaning assembly has a reservoir, a pressurized loop and a cleaning head. The reservoir contains water having oxygen and ozone. The pressurized loop provides a means for adding ozone and oxygen to water at high pressure and dropping water pressure to a comfortable level. The cleaning head is detachably connected to the reservoir by a sheath and a quick coupling and has a distribution cup having multiple protrusions. The cleaning head applies water having oxygen and ozone for cleaning excretory and reproductive organs.

Abstract: An air jet of an air massage system used with a bathtub having a wall defining opposite visible and hidden surfaces and defining a number of openings through the bathtub wall. The air jet comprises a hollow body having opposed inlet and outlet ends and a unidirectional flow device disposed therebetween. The outlet end is mounted directly to the hidden surface of the bathtub wall opposite one of the openings. The inlet end is connected to a source of pressurized air. The unidirectional flow device allows pressurized air therethrough only in a direction from the inlet to the outlet end and then through the opening in the bathtub wall, thereby preventing water in the bathtub from conveying through the air jet when the source of pressurized air is not in use. The outlet end comprises a flange provided on a downstream side thereof with recesses for receiving an adhesive for securing the flange to the hidden surface of the bathtub wall.

Abstract: A fluid jet for injecting fluids in the liquid of a tub through a throughbore in a wall of the tub comprises a gas injector with a hollow body having a gas inlet receiving a gas flow from a pressurized gas source. A gas outlet produces a flux of gas with the gas flow. A liquid injector comprises a hollow body with a liquid inlet connected to a pressurized liquid source to receive a liquid flow therefrom. A liquid outlet produces a flux of liquid with the liquid flow, the gas injector being received in the hollow body of the liquid injector, for the gas outlet and the liquid outlet to form a common jet outlet. The liquid injector is secured to the wall of the tub opposite the throughbore such that fluids exiting the common jet outlet are directed concurrently through the throughbore into the liquid of the tub.

Abstract: A bubble generation assembly for a basin, wherein the bubble generation assembly comprises: a base portion comprising a bottom surface, a raised edge, and a top surface comprising raised portions with a plurality of holes therein, wherein the base portion is configured to conform to a base of the basin and the bottom surface is configured to substantially conform to the basin; an extended portion, extending upwardly from the base portion and conforming to a wall of the basin, the extended portion comprising an extended raised portion; wherein the extended raised portion and the raised portions of the base portion are in communication to allow a flow of air from the extended portion to the holes in the raised portions of the base portion.

Abstract: An air bath has air outlets extending around the side walls of the water basin. Air is delivered to the air outlets through a ring-like air manifold coupled to a blower by conduit. The conduit has a bypass vent that siphons off a portion of the air flow otherwise passing to the air outlets and maintains the blower in communication with ambient air. The air delivery system provides a wider range of bubble densities by allowing the blower to operate at lower speeds without overheating or stalling from back pressure arising from the pressure head of the water in the basin.

Abstract: The present invention has four components, a power unit, a flexible air hose, a hydro-jet board, and a remote control. The power unit is a chamber having pressurized air. The power unit further includes an air compressor to create a pressurized air. Air compression typically increases the temperature of the air flow, however it is also desired to further heat the pressurized air before introducing the air into the flexible air hose. The flexible air hose is connected to a water jet board. The flexible air hose has a first and second connector, one at each end. The water jet board is comprised of a bottom plate laminated to a top plate. The hydro-jet board is constructed by laminating two pre-formed plastic sheets to create the specific air channels thereby supplying pulsating water jets at specific zones.

Abstract: An air massage system for a bathtub comprises a blower, an air distributor and the water jets. The air distributor connects the blower to the jets, and the jets are adapted to deliver air under pressure to the cavity defined by the bathtub. The jets include water check valves to prevent the water in the bathtub from entering the air distributor. The air distributor comprises at least one water relief valve for preventing water from reaching the blower, when inoperative, in the event of failure of any one of the water check valves. The air distributor also comprises a main pipe, a manifold and distribution pipes, with the main pipe connecting the blower to the manifold and the distribution pipes connecting the manifold to the jets. The water relief valve is provided on the manifold, and the water check valves are provided on the manifold and at each jet. A pressure relief valve is provided upstream of the jets for keeping a substantially steady pressure from the air propelled by the blower.

Abstract: A laminar flow waterfall in the form of a single or multiple streams of water, each exiting from a nozzle in the top edge of a spa. The laminar water stream is created by a venturi nozzle located in a plenum chamber. The inlet side of the nozzle has a cover with a plurality of small holes forcing the water flow to enter the nozzle as laminar flow. A flow divider inside the venturi nozzle, from the inlet to the restriction of the nozzle, maintains the flow laminar through the nozzle. Light is injected into the flow divider at the inlet and is carried by the flow divider to be injected into the water flow at the restriction of the nozzle.

Abstract: A bath mat blower assembly (1) has a retractable cord reel for efficiently storing a power cord (4) in a bath mat with an electrically driven pump for forcing pressurized air through various conduits to create bubbles that are emitted from a component of the bath mat that is submerged under water in a bathtub

Abstract: The present invention provides an air control valve for hydrotherapy equipment. The air control valve incrementally controls the supply of air to a venturi jet of the hydrotherapy equipment, thus regulating the flow of air that is mixed with water passing through the venturi jet. Various embodiments of the invention comprise a cammed assembly that translates axial movement of at least one axial member into rotational movement of at least one rotational member, thereby regulating the volume of air flow through a conduit communicating with the air control valve and the venturi jet. Further, various embodiments comprise a push button air control valve that actuates incremental regulation of the air flow volume to the venturi jet.

Abstract: A massage pad for a bath includes a cushion having multiple protrusions formed at a top side of the cushion. Multiple suction cups are formed at a bottom side of the cushion. A joint is formed on the cushion. Multiple conduits are communicated with the joint and each has multiple apertures defined through a top surface of the conduit.

Abstract: A laminar flow waterfall in the form of a single or multiple streams of water, each exiting from a nozzle in the top edge of a spa. The laminar water stream is created by a venturi nozzle located in a plenum chamber. The inlet side of the nozzle has a cover with a plurality of small holes forcing the water flow to enter the nozzle as laminar flow. A flow divider inside the venturi nozzle, from the inlet to the restriction of the nozzle, maintains the flow laminar through the nozzle. Light is injected into the flow divider at the inlet and is carried by the flow divider to be injected into the water flow at the restriction of the nozzle.

Abstract: A device for a sanitary tub, for producing a massage stream of air and water has an accommodation device that can be attached at an opening in the tub body of the sanitary tub, for accommodating an electric motor having a drive shaft. A propeller having a hub is attached to the drive shaft, and blades are arranged radially around the hub. A collar is arranged on the accommodation device, positioned within the sanitary tub, having edge-side inflow openings as well as a center outlet opening. The propeller draws in water located in the sanitary tub, through the inflow openings, and subsequently transports it back into the sanitary tub through the outlet opening. The accommodation device has a flow channel for feeding in air, which exits through the outlet opening, through an air channel arranged in the hub and with the stream of water transported by the propeller. Fan vanes for transporting air are arranged within the air channel of the hub.

Abstract: A spraying head assembly for a massaging tub includes a housing, a cover, a water outlet valve seat, a water outlet valve cover, a vortex rotor, a bushing, a nozzle, an impulse rotor, and a motor. Thus, the water is pressurized by rotation of the helical blades of the vortex rotor and the helical plates of the water outlet valve seat to produce a strong water beam that is injected outward from the nozzle, thereby enhancing the massaging effect.

Abstract: A care or treatment attachment for a foot care apparatus, comprising at least one movable care or treatment element as well as a coupling piece, with which the attachment can be connected to the movement of a motor-driven driving shaft 8 inside the foot care apparatus 6. The attachment comprises a housing which is secured in position on the housing so that driving movement transmitted from the driving shaft does not move the housing. A coupling piece is movable mounted in housing and is supported movably corresponding to the driving movement transmitted from driving shaft of the foot care apparatus. The coupling piece at the driven side drives a power converter for the conversion of the driving movement into a differing movement which powers the one or more movable care or treatment attachments.

Abstract: A blow-off nozzle type bathtub with illumination according to the present invention comprises a cap having a plurality of nozzles for blowing off a fluid and for irradiating an illumination light in a head portion and having an inside thereof formed in a hollow shape, a fluid supply member having a distal end opening portion thereof connected to the hollow inside of the cap and a proximal end opening portion thereof connected to a fluid supply source which is subjected to a drive control, a light guide member which has an end surface of a distal end portion thereof directed to said hollow inside of said cap and an end surface of a proximal end portion thereof directed to an illumination light source which is subjected to a drive control, and a fixing member for fixing and supporting the fluid supply member and the light guide member on a bottom wall of a bathtub vessel on a plurality of nozzles which are formed in the bottom wall of the bathtub vessel as through holes.

Abstract: A air selection control valve and assembly capable of controlling the flow of air into a water conduit to accelerate, decelerate, or pulse the rate of water flowing in combination with a hot tub spa assembly is described. This invention makes use of the control of the air inlet to control the pulsing of water. This invention also describes an innovative multi-way control valve system that can be controlled by as few as a single solenoid for pulsing some or all of the jets of a standard hot tub spa.

Abstract: An aerated bath 26 is disclosed comprising a plurality of receptacles 10 on the outside of the bath, each receptacle being in communication with the interior of the bath through one or a plurality of openings 16, and fluid supply means 20 connected to some or all of the receptacles characterised in that the receptacles are shallow and of a relatively smooth internal configuration. Preferably, the internal configuration of the receptacles is a part spherical dish. The smooth internal surface reduces locations where moisture can be trapped. Preferably also, the receptacle is made from a material, especially a plastics material, which is hydrophobic which therefore resists wetting by bath water. The plastics material is preferably easily machinable, and tough and durable, and may be selected from known plastics materials of this type such as nylon, polyethylene terephthalate, and the like.

Abstract: A switching assembly that can be used on a spa, pool, bathtub, or aquarium shell without the need to form a hole in the shell. The switching assembly includes an actuator that is mounted on an interior surface of the shell and is exposed at least in part to water held by the shell. The actuator may be mounted above or below the water line. The switching assembly also includes a switch that is responsive to the actuator and is mounted on the opposite, exterior surface of the shell. The switch responds to stimulus from the actuator without the need to form a hole in the shell between the switch and the actuator. The actuator may include a magnet that produces a magnetic field, and the switch may include a reed switch, which changes state in response to the absence or presence of the magnetic field generated by the actuator magnet. The magnet may be supported by a button attached to the shell, and the button protects the magnet from exposure to water and chemicals held in the shell.

Abstract: A foam generating apparatus includes a foam generation device for generating initial foam by jetting air into a foaming agent solution and a foam fining device for fining the initial foam to produce the foam for foam bathing. A foaming tool provided within a foaming chamber jets air from an opening to the bottom wall of the foaming chamber. The opening is covered with a net having an opening ratio between 27.7% and 49.5% and a number of air-jet openings per unit area between 9690/cm2 and 24800/cm2. From another point of view, the net attached to the opening has a mesh number between 250 mesh and 400 mesh.

Abstract: There is provided a foldable bubbling bath mat having two or more interconnected segments and a number of air channels with two or more apertures located in a bottom surface of the air channels. The bubbling bath mat is adapted to produce varying sized air bubbles and, thus, improve the overall therapeutic massaging effect on a user.

Abstract: A hydrotherapy jet system includes a fixture body, an air line connector coupled to the fixture body, and a water line connector coupled to the air line connector. The air line connector is provided with structure adapted to couple about the outside of relatively small fixture bodies and about the inside of relatively large fixture bodies. As such, the air line connector is universal for multiple sizes of fixture bodies. The water line connector is coupled to the rear of the air line connector. The air and water line connectors may be rotated relative to the element to which each is coupled to facilitate assembly and plumbing. Other plumbing components and fittings may be coupled in a manner which provides a fluidtight seal and permits the components and fitting to thereafter be rotated relative to each other.