Hydro-air fitting

Claim 3

A hydrotherapeutic nozzle, comprising: means forming an axial flow passage for directing a stream of liquid from a pressurized source along an axis, a tubular air means forming a radially disposed air port at the center axis of said axial flow passage, and a nozzle having a reduced diameter throat disposed between converging and diverging sections of said nozzle about said axis and spaced axially downstream from said air port, whereby the liquid stream flowing past the edges of said air port will entrain air into the stream of liquid to form a stream of aerated therapeutic liquid.

Claim 4

A hydrotherapeutic nozzle, comprising: means forming an axial flow passage for directing a stream of liquid from a pressurized source along an axis, a tubular air means forming a radially disposed air port at the center axis of said axial flow passage, and a nozzle having a reduced diameter throat disposed between converging and diverging sections of said nozzle about said axis and spaced axially downstream from said air port, whereby the liquid stream flowing past the edges of said air port will entrain air into the stream of liquid to form a stream of aerated therapeutic liquid.

Claim 5

driving the stream at increased velocity along a fixed axis past a second point in the circuit,

Claim 6

driving the stream at increased velocity along a fixed axis past a second point in the circuit,

Claim 7

spoiling the stream between the first and second points to render the flow of the stream turbulent,

Claim 8

spoiling the stream between the first and second points to render the flow of the stream turbulent,

Claim 9

A hydrotherapeutic nozzle as defined in claim 2 and further characterized by a ball joint mounting said nozzle for universal movement around said axis, whereby said nozzle can be selectively adjusted to vary the direction of the therapeutic stream in selected adjustments relative to said axis.

Claim 10

A hydrotherapeutic nozzlE as defined in claim 2 and further characterized by means mounting said nozzle in said ball joint forming continuous axial adjustment means between said nozzle and said ball joint to selectively vary the relative axial position of said tubular air means in said converging section and said air port relative to said reduced diameter throat and consituting a flow control means for selectively varying the amount of liquid flowing through said nozzle.

Claim 11

admixing air into the center of the stream at said second point in the circuit by flowing the turbulent stream around the edges of a radial air port disposed in the stream at said axis,

Claim 12

admixing air into the center of the stream at said second point in the circuit by flowing the turbulent stream around the edges of a radial air port disposed in the stream at said axis,

Claim 13

successively constricting and expanding the flow stream downstream of said second point to mix the air into the water in the form of small bubbles to form an aerated therapeutic stream, and

Claim 14

successively constricting and expanding the flow stream downstream of said second point to mix the air into the water in the form of small bubbles to form an aerated therapeutic stream, and

Claim 15

A hydrotherapy nozzle assembly adapted to be mounted in the opening of a wall of an enclosure, said assembly comprising: a hollow housing having an open forward end with a periphery adapted to sealingly engage an opening in the enclosure wall and a closed rearward end with a water conduit extending thereinto, an air inlet tube having a first leg extending into said water conduit and a second leg disposed on the center axis of said water conduit, said second leg of said air inlet tube having a port formed at the end thereof and arranged in generally concentric relation relative to the axis of the passage extending through the water conduit, a socket ball mounted for universal pivoting movement and having an axially extending bore formed therein, a nozzle member extending into said bore of said socket ball, said bore wall of said socket member and said external wall of said nozzle member having continuously adjustable screw threads formed therebetween so that said nozzle may be rotatably adjusted in selected axial positions in said socket ball, said nozzle having formed therein convergent and divergent passage means with a reduced diameter throat therebetween, said throat being relatively axially positioned with respect to said port when said nozzle is axially adjusted in said socket ball, thereby to constitute a flow control means for adjusting the flow of fluid from said water conduit through said nozzle, the flow of liquid from said conduit through said nozzle acting to entrain and admix air from the air inlet tube into the stream and forming an aerated stream of therapeutic liquid for direction outwardly from said nozzle, said nozzle being pivotally adjusted in universal direction to vary the direction of flow of the therapeutic stream relative to the axis of the water conduit.

Claim 16

A hydrotherapy nozzle assembly adapted to be mounted in the opening of a wall of an enclosure, said assembly comprising: a hollow housing having an open forward end with a periphery adapted to sealingly engage an opening in the enclosure wall and a closed rearward end with a water conduit extending thereinto, an air inlet tube having a first leg extending into said water conduit and a second leg disposed on the center axis of said water conduit, said second leg of said air inlet tube having a port formed at the end thereof and arranged in generally concentric relation relative to the axis of the passage extending through the water conduit, a socket ball mounted for universal pivoting movement and having an axially extending bore formed therein, a nozzle member extending into said bore of said socket ball, said bore wall of said socket member and said external wall of said nozzle member having continuously adjustable screw threads formed therebetween so that said nozzle may be rotatably adjusted in selected axial positions in said socket ball, said nozzle having formed therein convergent and divergent passage means with a reduced diameter throat therebetween, said throat being relatively axially positioned with respect to said port when said nozzle is axially adjusted in said socket ball, thereby to constitute a flow control means for adjusting the flow of fluid from said water conduit through said nozzle, the flow of liquid from said conduit through said nozzle acting to entrain and admix air from the air inlet tube into the stream and forming an aerated stream of therapeutic liquid for direction outwardly from said nozzle, said nozzle being pivotally adjusted in universal direction to vary the direction of flow of the therapeutic stream relative to the axis of the water conduit.

Claim 17

A hydrotherapy nozzle assembly as defined in claim 5 wherein said nozzle is particularly characterized by a notched knob construction on the front end thereof, thereby to facilitate manipulation

Claim 18

selectively redirecting the aerated therapeutic stream in different directions of angular variation from said axis.

Claim 19

selectively redirecting the aerated therapeutic stream in different directions of angular variation from said axis.

Claim 20

A hydrotherapeutic system comprising: a body of water bounded by a wall on one or more sides thereof, one or more openings in said wall, a hydrotherapy nozzle assembly in each of said openings and sealingly engaged with said wall, one or more sources of pressurized water in communications with said openings and said hydrotherapy nozzle assemblies therein, each of said hydrotherapy nozzle assemblies comprising, means forming an axial flow passage for directing a stream of liquid from a pressurized source along an axis, a tubular air means forming a radially disposed air port at the center axis of said axial flow passage, and a nozzle having a reduced diameter throat on said axis and spaced axially from said air port, whereby the liquid stream flowing past the edges of said air port will entrain air into the stream of liquid to form a stream of aerated therapeutic liquid.

Claim 21

A hydrotherapeutic system comprising: a body of water bounded by a wall on one or more sides thereof, one or more openings in said wall, a hydrotherapy nozzle assembly in each of said openings and sealingly engaged with said wall, one or more sources of pressurized water in communications with said openings and said hydrotherapy nozzle assemblies therein, each of said hydrotherapy nozzle assemblies comprising, means forming an axial flow passage for directing a stream of liquid from a pressurized source along an axis, a tubular air means forming a radially disposed air port at the center axis of said axial flow passage, and a nozzle having a reduced diameter throat on said axis and spaced axially from said air port, whereby the liquid stream flowing past the edges of said air port will entrain air into the stream of liquid to form a stream of aerated therapeutic liquid.

Claim 22

A hydrotherapy system as defined in claim 7 and further characterized by a ball joint mounting said nozzle for universal movement around said axis, whereby said nozzle can be selectively adjusted to vary the direction of the therapeutic stream in selected adjustments relative to said axis.

Claim 23

A hydrotherapy system as defined in claim 7 and further characterized by means mounting said nozzle in said ball joint forming continuous axial adjustment means between said nozzle and said ball joint, thereby to selectively vary the relative axial position of said nozzle relative to said air port and constituting a flow control means for selectively varying the amount of liquid flowing through said nozzle.

Claim 24

A hydrotherapeutic nozzle comprising; means forming an axial flow passage for directing a stream of liquid from a pressurized source along an axis, a tubular air means forming a radially disposed air port at the center axis of said axial flow passage, and a nozzle having a reduced diameter throat between converging and diverging sections of said nozzle about said axis and spaced axially downstream from said air port, whereby the liquid stream flowing past the edges of said air port will entrain air into the stream of liquid to form a stream of aerated therapeutic liquid, and means including spherically shaped means on the peripheral surface of said tubular air means and selectively engagable with said reduced diameter throat of said nozzle to achieve shut-off.

Claim 25

A hydrotherapeutic nozzle comprising; means forming an axial flow passage for directing a stream of liquid from a pressurized source along an axis, a tubular air means forming a radially disposed air port at the center axis of said axial flow passage, and a nozzle having a reduced diameter throat between converging and diverging sections of said nozzle about said axis and spaced axially downstream from said air port, whereby the liquid stream flowing past the edges of said air port will entrain air into the stream of liquid to form a stream of aerated therapeutic liquid, and means including spherically shaped means on the peripheral surface of said tubular air means and selectively engagable with said reduced diameter throat of said nozzle to achieve shut-off.

Claim 26

A hydrotherapy nozzle assembly adapted to be mounted in the opening of a wall of an enclosure, said assembly comprising: a hollow housing having an open forward end with a periphery adapted to sealingly engage an opening in the enclosure wall and a closed rearward end with a water conduit extending thereinto, an air inlet tube having a first leg extending into said water conduit and a second leg disposed on the center axis of said water conduit, said second leg of said inlet tube having a port formed at the end thereof and arranged in generally concentric relation relative to the axis of the passage extending through the water conduit, a socket ball mounted for universal pivoting movement and having an axially extending bore formed therein, a nozzle member extending into said bore of said socket ball, said bore wall of said socket member and said external wall of said nozzle member having continuously adjustable screw threads formed therebetween so that said nozzle may be rotatably adjusted in selected axial positions in said socket ball, said nozzle having formed therein convergent and divergent passage means with a reduced diameter throat therebetween, said throat being relatively axially positioned with respect to said port when said nozzle is axially adjusted in said socket ball, thereby to constitute a flow control means for adjusting the flow of fluid from said water conduit through said nozzle, the flow of liquid from said conduit through said nozzle acting to entrain and admix air from the air inlet tube into the stream and forming an aerated stream of therapeutic liquid for direction outwardly from said nozzle, said nozzle being pivotally adjusted in universal direction to vary the direction of flow of the therapeutic stream relative to the axis of the water conduit, said second leg of said air inlet tube being formed with spherically shaped means adjacent said port on the periphery thereof and being engageable selectively with said reduced diameter throat for achieving cut-off.

Claim 27

A hydrotherapy nozzle assembly adapted to be mounted in the opening of a wall of an enclosure, said assembly comprising: a hollow housing having an open forward end with a periphery adapted to sealingly engage an opening in the enclosure wall and a closed rearward end with a water conduit extending thereinto, an air inlet tube having a first leg extending into said water conduit and a second leg disposed on the center axis of said water conduit, said second leg of said inlet tube having a port formed at the end thereof and arranged in generally concentric relation relative to the axis of the passage extending through the water conduit, a socket ball mounted for universal pivoting movement and having an axially extending bore formed therein, a nozzle member extending into said bore of said socket ball, said bore wall of said socket member and said external wall of said nozzle member having continuously adjustable screw threads formed therebetween so that said nozzle may be rotatably adjusted in selected axial positions in said socket ball, said nozzle having formed therein convergent and divergent passage means with a reduced diameter throat therebetween, said throat being relatively axially positioned with respect to said port when said nozzle is axially adjusted in said socket ball, thereby to constitute a flow control means for adjusting the flow of fluid from said water conduit through said nozzle, the flow of liquid from said conduit through said nozzle acting to entrain and admix air from the air inlet tube into the stream and forming an aerated stream of therapeutic liquid for direction outwardly from said nozzle, said nozzle being pivotally adjusted in universal direction to vary the direction of flow of the therapeutic stream relative to the axis of the water conduit, said second leg of said air inlet tube being formed with spherically shaped means adjacent said port on the periphery thereof and being engageable selectively with said reduced diameter throat for achieving cut-off.

Claim 28

A hydrotherapeutic nozzle comprising: means forming an axial flow passage for directing a stream of liquid along an axis; a tubular air means forming a radially disposed air port at the center axis of said axial flow passage; a nozzle having a reduced diameter throat on said axis, whereby the liquid stream flowing past the edges of said port will entrain air into the stream of liquid for admixture with the stream to form a stream of aerated therapeutic liquid; and means including spherically shaped means on the peripheral surface of said tubular air means and selectively engageable with said throat of said nozzle to shut off the flow past the edges of said port.

Claim 29

A hydrotherapeutic nozzle comprising: means forming an axial flow passage for directing a stream of liquid along an axis; a tubular air means forming a radially disposed air port at the center axis of said axial flow passage; a nozzle having a reduced diameter throat on said axis, whereby the liquid stream flowing past the edges of said port will entrain air into the stream of liquid for admixture with the stream to form a stream of aerated therapeutic liquid; and means including spherically shaped means on the peripheral surface of said tubular air means and selectively engageable with said throat of said nozzle to shut off the flow past the edges of said port.