A jet assembly has internals rotatably and releaseably fit to a jet body, such as that for a spa. The internals have a barrel housing, a rotor and a barrel inlet. The internals as screwed into the jet body. A first threaded portion outside the barrel threadably engages second threaded portion inside
A jet assembly has internals rotatably and releaseably fit to a jet body, such as that for a spa. The internals have a barrel housing, a rotor and a barrel inlet. The internals as screwed into the jet body. A first threaded portion outside the barrel threadably engages second threaded portion inside the jet body wherein the internals have delimited rotation therein to align and misalign the barrel inlet from a body inlet on the jet body to control flow on and off respectively. The threaded portion within the jet body can be a locking ring affixed therein by fasteners or integral with the jet body. Rotation can be delimited by a projection on the barrel and a cooperating annular delimiting surface on the locking ring, such as circumferentially-spaced detents.
대표청구항▼
1. A jet assembly system for controlling a water flow in a spa, comprising: a jet body adapted for support in the spa and having a body inlet for receiving the water flow;jet internals comprising a barrel housing, a rotor rotatably supported therein and a barrel inlet, the jet internals being rotata
1. A jet assembly system for controlling a water flow in a spa, comprising: a jet body adapted for support in the spa and having a body inlet for receiving the water flow;jet internals comprising a barrel housing, a rotor rotatably supported therein and a barrel inlet, the jet internals being rotatably connected within the jet body;a first threaded portion outside the barrel housing for rotation therewith;an axial projection on the barrel housing;a lock ring fit to an inside of the jet body, the lock ring having a second threaded portion for cooperating with the first threaded portion, the lock ring including an annular delimiting surface comprising circumferentially-spaced detents that cooperate with the axial projection for delimited rotation of the barrel housing relative to the jet body to align and misalign the barrel inlet from the body inlet to control flow on and off respectively. 2. The jet assembly system of claim 1 wherein the lock ring is fit to the jet body using fasteners. 3. The jet assembly system of claim 1 wherein the lock ring further comprises: a tubular component having an annular ring, a baseplate and a central passage formed with the second threaded portion, wherein the annular delimiting surface is formed on the baseplate. 4. The jet assembly system of claim 1 wherein the lock ring further comprises: a tubular component having an annular ring and a central passage formed with the second threaded portion, wherein the annular delimiting surface is formed on the annular ring. 5. The jet assembly system of claim 1 wherein: the axial projection is located axially below the first threaded portion; andthe annular delimiting surface is located axially below the second threaded portion. 6. The jet assembly system of claim 1 wherein: the axial projection is located axially above the first threaded portion; andthe annular delimiting surface is located axially above the second threaded portion. 7. A jet assembly system comprising internals and a jet body for receiving the internals, the internals having at least a barrel housing having a barrel inlet, the jet body having a jet inlet, the jet assembly comprising: a first threaded portion outside the barrel housing for rotation therewith;an axial projection on the barrel housing;a lock ring adapted for mounting to an inside of the jet body, the lock ring including a second threaded portion, the lock ring including an annular delimiting surface further comprising circumferentially-spaced, axially extending first and second detents;wherein the first threaded portion cooperates with the second threaded portion for threadably connecting the barrel housing inside the jet body, rotational threading movement of the barrel housing therein causing the barrel housing to thread deeper into the jet body for engaging the axial projection with the first detent, the axial projection threading deeper to pass the first detent; andwherein further rotational threading movement of the barrel housing rotationally aligns and misaligns the barrel inlet relative to the jet inlet, the axial projection engaging between the first and second detents for delimiting the rotational threading movement therebetween to control flow on and off respectively. 8. The jet assembly system of claim 7 wherein the lock ring is mountable to the jet body using fasteners. 9. The jet assembly system of claim 7 wherein the lock ring further comprises: a tubular component having an annular ring, a baseplate; and a central passage formed with the second threaded portion, wherein the annular delimiting surface is formed on the baseplate. 10. The jet assembly system of claim 7 wherein the lock ring further comprises: a tubular component having an annular ring and a central passage formed with the second threaded portion, wherein the annular delimiting surface is formed on the annular ring. 11. The jet assembly system of claim 7 wherein: the axial projection is located axially below the first threaded portion; andthe annular delimiting surface is located axially below the second threaded portion. 12. The jet assembly system of claim 7 wherein: the axial projection is located axially above the first threaded portion; andthe annular delimiting surface is located axially above the second threaded portion. 13. A jet assembly system comprising: a barrel housing having a rotor rotatably supported therein and a barrel inlet, the barrel housing having a first threaded portion outside the barrel housing for rotation therewith, the barrel housing including an axial projection;a jet body having a body inlet; anda lock ring fit to an inside of the jet body, the lock ring having a second threaded portion for cooperating with the first threaded portion, the lock ring including an annular delimiting surface comprising circumferentially-spaced detents that cooperate with the axial projection for delimited rotation of the barrel housing relative to the jet body to align and misalign the barrel inlet from the body inlet to control flow on and off respectively. 14. The jet assembly system of claim 13 wherein the lock ring is fit to the jet body using fasteners. 15. The jet assembly system of claim 13 wherein the lock ring further comprises: a tubular component having an annular ring, a baseplate and a central passage formed with the second threaded portion, wherein the annular delimiting surface is formed on the baseplate. 16. The jet assembly system of claim 13 wherein the lock ring further comprises: a tubular component having an annular ring and a central passage formed with the second threaded portion, wherein the annular delimiting surface is formed on the annular ring. 17. The jet assembly system of claim 13 wherein: the axial projection is located axially below the first threaded portion; andthe annular delimiting surface is located axially below the second threaded portion. 18. The jet assembly system of claim 13 wherein: the axial projection is located axially above the first threaded portion; andthe annular delimiting surface is located axially above the second threaded portion. 19. A jet assembly system comprising: a barrel housing having a rotor rotatably supported therein and a barrel inlet, the barrel housing having a first threaded portion outside the barrel housing for rotation therewith, the barrel housing including an axial projection; anda jet body having a body inlet, the jet body including a lock ring mounted to an inside of the jet body, the lock ring having a second threaded portion for cooperating with the first threaded portion, the lock ring including an annular delimiting surface comprising circumferentially-spaced detents that cooperate with the axial projection for delimited rotation of the barrel housing relative to the jet body to align and misalign the barrel inlet from the body inlet to control flow on and off respectively. 20. The jet assembly system of claim 19 wherein the lock ring is mounted to the jet body using fasteners. 21. The jet assembly system of claim 19 wherein: the axial projection is located axially below the first threaded portion; andthe annular delimiting surface is located axially below the second threaded portion. 22. The jet assembly system of claim 19 wherein: the axial projection is located axially above the first threaded portion; andthe annular delimiting surface is located axially above the second threaded portion. 23. A jet assembly system comprising: a barrel housing having a rotor rotatably supported therein and a barrel inlet, the barrel housing having a first threaded portion outside the barrel housing for rotation therewith, the barrel housing including an axial projection; anda jet body having a body inlet, the jet body including a lock ring wherein the lock ring is molded to the jet body as a unitary assembly, the lock ring having a second threaded portion for cooperating with the first threaded portion, the lock ring including an annular delimiting surface comprising circumferentially-spaced detents that cooperate with the axial projection for delimited rotation of the barrel housing relative to the jet body to align and misalign the barrel inlet from the body inlet to control flow on and off respectively. 24. The jet assembly system of claim 23 wherein: the axial projection is located axially below the first threaded portion; andthe annular delimiting surface is located axially below the second threaded portion. 25. The jet assembly system of claim 23 wherein: the axial projection is located axially above the first threaded portion; andthe annular delimiting surface is located axially above the second threaded portion. 26. A jet assembly system for controlling a water flow in a spa, comprising: a barrel housing having a rotor rotatably supported therein and a barrel inlet, the barrel housing having a first threaded portion outside the barrel housing for rotation therewith, the barrel housing including at least one barrel housing axial projection or depression; anda jet body having a body inlet, the jet body including a lock ring mounted to an inside of the jet body or molded to the jet body as a unitary assembly, the lock ring having a second threaded portion for cooperating with the first threaded portion,the lock ring including an annular delimiting surface, the annular delimiting surface having at least one circumferentially-spaced axial projection for cooperating with the at least one barrel housing depression or axial projection forming any one of cooperating projections/depressions, or projections/projections, orat least one circumferentially-spaced axial depression for cooperating with the at least one barrel housing axial projection for forming depressions/projections,for delimited rotation of the barrel housing relative to the jet body to align and misalign the barrel inlet from the body inlet to control the water flow.
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