Claims
- 1. A waste water drain adapter coupling for use in connecting a water-using appliance waste water flexible conduct drain line in parallel downstream flow with an outlet drain of a garbage disposer attached to an in-counter sink for thereby draining waste water from the water-using appliance in bypass flow relation with the disposer to a sink drain trap plumbed to an associated sewer system, said coupling comprising a rigid hollow tubular disposer EII fitting having first and second normally open tubular branch inlet portions arranged with their respective flow axes generally at an acute angle to one another and feeding at a downstream intersection therebetween to a common passageway for receiving the incoming flows from said branch inlet portions, said Eli fitting having a tubular S/J slip conduit portion defining said common 16 passageway and forming a common outlet of said EII fitting downstream of said intersection, said first branch inlet portion having connector means permanently mounted thereon at the inlet thereof exteriorly of said and adapted for slip joint telescopically receiving the outlet end of the appliance waste water flexible conduit drain line to be thereby coupled in drainage flow communication via said slip conduit portion to the drain trap, said second branch inlet portion having an external mounting flange and threaded coupling means thereon adapted be removably fastened to the disposer outlet drain, said second branch inlet curving through a bend of about 90° from an integral junction with the upstream end of said slip conduit portion and being generally of the same diameter as the slip conduit portion,
said first branch inlet portion comprising a generally tubular conduit of smaller diameter than said second branch inlet and slip conduit portions and protruding both internally and externally from said branch inlet at the outside radius of said junction, said tubular conduit having a flow-through passageway oriented with its axis parallel to the axis of said slip conduit portion and adjacent that interior surface portion thereof most remote from said second branch inlet portion
- 2. The coupling set forth in claim 1 wherein said first inlet branch portion is molded integrally with said second branch inlet and slip conduit portions.
- 3. The coupling set forth in claim 2 wherein the portion of said first branch inlet tubular conduit disposed interiorly of said second branch inlet and said slip conduit portions is configured in cross section as a V-shaped baffle with the apex of the V-shape facing upstream in said coupling.
- 4. The coupling set forth in claim 1 wherein said first branch inlet tubular conduit initially comprises a pre-formed cylindrical tubing piece and said second branch inlet and slip conduit portions initially constitute a pre-formed commercially available standard disposer EII, said tubing piece extending with a close fit through a mounting hole formed in said bend junction of said EII such that the axially opposite ends of said tubing piece protrude respectively internally and externally of said disposal EII, said tubing piece being sealably affixed to the margin of said mounting hole and the exterior one of said opposite ends of said tubing piece carrying said drain line connector means thereon
- 5. The coupling set forth in claim 4 wherein said tubing piece contacts the interior surface of said slip conduit portion and is affixed thereto by a fusion weld joint formed by ultrasonic or solvent welding and/or by an adhesive bond.
- 6. A waste water drain adapter coupling for use in connecting a water-using appliance waste water flexible conduct drain line in parallel downstream flow with an outlet drain of a an in-counter sink for thereby draining waste water from the water-using appliance in bypass flow relation with a sink drain trap plumbed to an associated sewer system, said coupling comprising a rigid hollow tubular modified slip joint (S/J) branch Tee fitting having first and second normally open tubular branch inlet portions arranged with their respective flow axes generally at an acute angle to one another and feeding at a downstream intersection therebetween to a common passageway for vertically receiving the incoming flows from said branch inlet portions, said branch Tee fitting having a tubular S/J slip conduit portion defining said common vertical passageway and forming a common outlet of said branch Tee fitting downstream of said intersection, said first branch inlet portion having connector means permanently mounted thereon at the inlet thereof exteriorly of said and adapted for slip joint telescopically receiving the outlet end of the appliance waste water flexible conduit drain line to be thereby coupled in drainage flow communication via said slip conduit portion to the drain trap, said second branch inlet portion having an S/J coupling means thereon adapted to be removably operably coupled to outlet drain, said second branch inlet having an integral junction with the upstream end of said slip conduit portion and being generally of the same diameter as the slip conduit portion and extending coaxially therewith said first branch inlet portion comprising a generally tubular conduit of smaller diameter than said second branch inlet and slip conduit portions and protruding externally from said branch inlet at said junction, said tubular conduit having a flow-through passageway oriented with its axis inclined upwardly at about 600 included angle with the axis of said second branch inlet portion, said connector means having a flow through passageway having a downstream outlet end of smaller diameter than the inside diameter of said tubular conduit for draining R/O waste water directly there into without thereby damming up sediment.
- 7. The coupling set forth in claim 6 wherein said first inlet branch portion is molded integrally with said second branch inlet and slip conduit portions.
- 8. The coupling set forth in claim 7 wherein said first branch inlet tubular conduit inlet and at least the downstream portion of said connector means are integrally molded as a one piece unit.
- 9. The coupling set forth in claim 6 wherein said first branch inlet, said second branch inlet and slip conduit portions initially constitute a pre-formed commercially available standard S/J branch Tee fitting, said connector means being separately formed and then sealably telescopically affixed to the inlet of said first branch inlet portion tubular conduit and carrying drain line slip-on coupling means thereon.
- 10. The coupling set forth in claim 9 wherein said connector means has a plug portion contacting the interior surface of said tubular conduit and is affixed thereto by a fusion weld joint formed by ultrasonic or solvent welding and/or by an adhesive bond, said flow-through passageway downstream outlet end opening in a downstream end face of said plug portion.
- 11. The coupling set forth in claim 9 wherein said connector means has a sleeve portion diametrically sized for sealably slip-on telescoping over the outside of said inlet of said tubular conduit and being affixed thereto by a fusion weld formed by ultrasonic or solvent welding and/or by an adhesive bond.
- 12. The coupling set forth in claim 11 wherein said connector means has a plug portion contacting the interior surface of said tubular conduit and is affixed thereto by a fusion weld joint formed by ultrasonic or solvent welding and/or by an adhesive bond, said flow-through passageway downstream outlet end opening in a downstream end face of said plug portion.
- 13. The coupling set forth in claim 6 wherein said inlet of said tubular conduit and said connector means are one of those selected from the group consisting of:
(a) JACO® type compression nut, wedging sleeve means and cooperative male threads surrounding said flow-through passageway, (b) JOHN GUEST® push-in slip-fit quick connect R/O tube coupling means, and (c) hose barb nipple means formed integrally externally on the inlet of said tubular and a sleeve extension portion on said connector means for sealably slip-on telescoping over said hose barb nipple means.
- 14. A waste liquid drain line coupling adapter constructed for use between a waste liquid drain line outlet tube of a liquid processing appliance and a drain trap plumbed to a drainage system by standard slip-joint (S/J) plumbing fittings, including a standard S/J conduit fittings with a normally open inlet, a normally open outlet downstream of the inlet thereof for drain communication with said trap, the conduit inlet having external threads and an internal seat with an S/J nut and an associated annular S/J seal respectively removably mounted thereon and adapted for slip joint receiving the slip end of a standard S/J plumbing fitting;
said adapter comprising removable end closure means for closing the conduit inlet, said adapter being constructed and arranged to have circular peripheral wall portion adapted when in assembly with the conduit inlet with said circular peripheral wall portion and the seal juxtaposed with an internal annular flange of the S/J nut and the conduit inlet internal seat such that threadably tightening of the S/J nut on the conduit inlet external threads sealably squeezes and clamps together said adapter peripheral wall portion and the annular seal by compression between the nut internal flange and the conduit inlet internal seat, said adapter also having an elbow portion with an outlet in said wall portion and an inlet provided with connector means adapted for scalably telescopically receiving and retaining an outlet end of the waste liquid drain line tube, said wall and elbow portions of said adapter together forming a removable closure for said conduit inlet having a through-passageway adapted for draining waste liquid from the outlet end of the drain tube into the interior of the conduit fitting via said conduit inlet, and wherein said wall portion of said adapter comprises a hollow tubular skirt open at a first axial end thereof to form said outlet in said wall portion of said adapter, an interiorly generally concave dome having a wide end connected to a second axial end of said skirt axially opposite said skirt first end, said dome converging to an apex area spaced axially remote from said skirt second end, said elbow portion inlet comprising a tubular protuberance projecting exteriorly from the exterior apex area of said dome and having a through-passageway oriented with its axis transverse to the longitudinal axis of said skirt, said connector means being disposed on said protuberance passageway and having inlet coupling means for sealably telescopically receiving an outlet end of said waste water drain line, said through-passageway having an outlet opening generally to the interior apex area of said dome whereby said protuberance and said dome form said elbow, said skirt having at least a cylindrical slip fit portion adjacent said skirt first end diametrically sized for a slip fit into the conduit fitting inlet to thereby form, with said dome, said end closure means of said adapter, said slip fit portion of said skirt being adapter to slidably receive thereon the annular seal so as to encircle said skirt slip fit portion for compression sealing and frictionally gripping against the exterior surface thereof by tightening of the S/J nut of the conduit inlet external threads, and wherein said dome houses back check valve means operably movable in response to fluid pressure revering in the drainage system, between a closed position for preventing reverse fluid flow from the interior of the conduit fitting into said protuberance through-passageway and in open position permitting free flow of fluid from said through-passageway via said dome into said conduit fitting.
- 15. The coupling adapter set forth in claim 14 wherein said elbow protuberance inlet socket means comprises a push-in catch and release collet, an associated cap collar and associated 0-ring adapted to be push-in sealably coupled to the outlet end of the waste water drain line tube.
- 16. The coupling adapter set forth in claim 14 wherein said dome is generally conically shaped and said skirt is entirely cylindrically shaped.
- 17. The coupling adapter set forth in claim 16 wherein said dome has a cone angle of about 45° and the longitudinally axes of said skirt and protuberance portion passageway are generally perpendicular to one another.
- 18. The coupling adapter set forth in claim 16 wherein said dome and skirt are completely imperforate.
- 19. The coupling adapter set forth in claim 14 wherein said protuberance, said dome and said skirt are molded or cast in one-piece.
- 20. The coupling adapter set forth in claim 19 wherein said skirt has a radially protruding circumferentially continuous external flange adapter to be axially interposed between the conduit inlet internal seat and an internal clamping flange lip of the S/J nut.
- 21. The coupling adapter set forth in claim 19 adapted for use with the standard S/J 2 conduit fitting having the annular S/J seal thereof constituting a standard S/J bevel washer.
- 22. The coupling adapter set forth in claim 19 adapter for use with the standard S/J conduit fitting having the annular S/J seal thereof constituting an 0-ring.
- 23. The coupling adapter set forth in claim 19 wherein said adapter further includes an interior channel means constructed and arranged within said skirt to form conduit extension of said passageway and extending from said outlet of said protuberance passageway axially of said skirt for a distance generally at least coextensive with said dome, said interior channel means terminating at an open end remote from said passageway outlet and also having an annular valve seat formed thereon, said back check valve means comprising said valve seat, a hollow imperforate spherical valve ball and appropriate ball cage disposed within said skirt and operably secured to said channel means, said valve ball being movable in said cage between positions opening and sealably closing said valve seat in response to fluid pressure differential reversals across said valve seat.
- 24. The coupling adapter as set forth in claim 23 wherein said skirt and channel means are generally tubular and concentric, and wherein said dome, skirt and interior channel means are imperforate except for said adapter through-passageway inlet and outlet and said open end of said channel means.
- 25. The coupling adapter set forth in claim 19 wherein said skirt has an axially extending air vent open communicating the skirt interior with ambient and said adapter further includes an interior air gap liquid baffle channel means constructed and arranged within said skirt and extending from said outlet of said protuberance passageway axially of said skirt for a distance generally at least coextensive with said skirt air vent opening, said interior air gap baffle channel means terminating at an open end remote from said dome and also having an axially elongate air vent opening generally axially coextensive with said skirt air vent opening and oriented out of angular registry therewith, said baffle means air vent opening having axial one end thereof closest to said dome being axially spaced a way from said dome, said back check valve means comprising a hollow imperforate spherical valve ball movably housed within said baffle channel means, an annular ball valve seat formed in said baffle channel means between said one axial end of said baffle means air vent opening and said passageway outlet, and a valve ball keeper disposed in said baffle channel means along said baffle means air vent opening and spaced remote from said one axial end of said baffle means by a distance greater than the diameter of said valve ball,
said valve ball being movable in said baffle channel means between a closing position sealably engaging said valve seat and a fully open position engaging said keeper in response to fluid pressure differential reversals across said valve seat.
- 26. The coupling adapter set forth in claim 25 wherein said keeper has a drip noise inhibiting portion protruding from outwardly through said baffle channel means air vent opening extending to the interior surface of said skirt for promoting gravity drainage of waste water from the interior of said baffle channel means onto said skirt interior surface.
- 27. The coupling adapter set forth in claim 25 wherein said baffle channel means comprises a first tubular portion of smaller diameter than that of said valve ball and joined at one axial end to the interior of said dome, a second tubular portion of larger diameter than said valve ball and extending within said skirt, and a generally frusto-conical portion interconnecting said first and second tubular portions, said valve seat being formed in said frusto-conical portion, said baffle means air vent opening extending solely in said second tubular portion.
- 28. The coupling adapter set forth in claim 27 wherein said keeper has a disc portion constructed and arranged to plug all but said air vent opening of said tubular baffle channel means downstream of the ball fully open position, said keeper having a leg and foot extension portion extending from said disc portion through said baffle channel means air vent opening outwardly to and adjacent interior surface of said skirt and oriented for gravity flow drainage thereon of waste water from within said baffle channel over onto said skirt interior surface.
- 29. The coupling adapter set forth in claim 19 wherein said back check valve means comprises a hollow imperforate spherical valve ball, and wherein said generally conical dome comprises a first generally frusto-conical portion contiguous at its narrower axial end with said protuberance means and of smaller ID. than the O.D. of said valve ball, a second generally frusto-conical portion of greater ID. that the OD. of said valve ball and at its wider axial and contiguous with said skirt, and a generally cylindrical connector portion interconnecting said first and second dome portions, annular ball valve seat formed on said connector portion, and a valve ball keeper strut spanning said skirt interior adjacent said first axial open end thereof, said valve ball being loosely movable axially within said skirt between a valve closed position sealably engaging said valve seat and fully open position spaced from said valve seat and resting on said keeper strut in response to reversals of fluid pressure differential across said valve seat.
- 30. The coupling adapter set forth in claim 19 wherein said back check valve means comprises a hollow imperforate spherical valve ball of smaller O.D. than the ID. of said skirt and loosely confined within said skirt between said dome and a valve ball keeper disposed adjacent said open first axial end of said skirt, and an annular valve seat formed interiorly of said dome, said valve ball being loosely movable axially of said skirt between a valve closed position sealably engaging said valve seat and a fully open position spaced from said valve seat and resting on said keeper in response to reversal of fluid pressure differential across said valve seat.
- 31. A waste liquid drain line coupling adapter constructed for use between a waste liquid drain line outlet tube of a liquid processing appliance and a drain trap plumbed to a drainage system by standard slip-joint (S/J) plumbing fittings, including a standard S/J conduit fittings with a normally open inlet, a normally open outlet downstream of the inlet thereof for drain communication with said trap, the conduit inlet having external threads and an internal seat with an S/J nut and an associated annular S/J seal respectively removably mounted thereon and adapted for slip joint receiving the slip end of a standard SIJ plumbing fitting;
said adapter comprising removable end closure means for closing the conduit inlet, said adapter being constructed and arranged to have circular peripheral wall portion adapted when in assembly with the conduit inlet with said circular peripheral wall portion and the seal juxtaposed with an internal annular flange of the S/J nut and the conduit inlet internal seat such that threadably tightening of the S/J nut on the conduit inlet external threads sealably squeezes and clamps together said adapter peripheral wall portion and the annular seal by compression between the nut internal flange and the conduit inlet internal seat, said adapter also having an elbow portion with an outlet in said wall portion and an inlet provided with connector means adapted for sealably telescopically receiving and retaining an outlet end of the waste liquid drain line tube, said wall and elbow portions of said adapter together forming a removable closure for said conduit inlet having a through-passageway adapted for draining waste liquid from the outlet end of the drain tube into the interior of the conduit fitting via said conduit inlet, and wherein said wall portion of said adapter comprises a hollow tubular skirt open at a first axial end thereof to form said outlet in said wall portion of said adapter, an interiorly generally concave dome having a wide end connected to a second axial end of said skirt axially opposite said skirt first end, said dome converging to an apex area spaced axially remote from said skirt second end, said elbow portion inlet comprising a tubular protuberance projecting exteriorly from the exterior apex area of said dome and having a through-passageway oriented with its axis transverse to the longitudinal axis of said skirt, said connector means being disposed on said protuberance passageway and having inlet coupling means for sealably telescopically receiving an outlet end of said waste water drain line, said through-passageway having an outlet opening generally to the interior apex area of said dome whereby said protuberance and said dome form said elbow, said skirt having at least a cylindrical slip fit portion adjacent said skirt first end diametrically sized for a slip fit into the conduit fitting inlet to thereby form, with said dome, said end closure means of said adapter, said slip fit portion of said skirt being adapter to slidably receive thereon the annular seal so as to encircle said skirt slip fit portion for compression sealing and frictionally gripping against the exterior surface thereof by tightening of the S/J nut of the conduit inlet external threads, and wherein said skirt has an axially extending elongate air vent open communicating the skirt interior with ambient, and said adapter further includes an interior air gap liquid baffle channel means constructed and arranged within said skirt and extending from said outlet of said protuberance passageway axially of said skirt for a distance generally at least coextensive with said skirt air vent opening, said interior air gap baffle channel means terminating at an end remote from said dome and also having an axially elongate air vent opening generally coextensive with said skirt air vent opening and oriented out of angular registry therewith, and wherein said skirt and baffle channel means are generally tubular and said air vent openings constitute the only air vent openings of said adapter, each of said air vent openings having a circumferential extent less than 180° and being oriented diametrically opposite one another and facing away from each other, and wherein said dome, skirt and interior baffle means are circumferentially imperforate except for said air vent openings and said adapter through-passageway inlet and outlet, and wherein said interior baffle means has a drainage diverter constructed and arranged interiorly thereof to plug all but said air vent opening of said tubular baffle channel means at a location adjacent said remote end thereof, said diverter having an extension portion extending through said baffle channel means air vent opening outwardly to an adjacent interior surface of said skirt and oriented for gravity flow drainage thereon of waste water from within said baffle channel over onto said skirt interior surface.
REFERENCE TO CO-PENDING APPLICATIONS
[0001] This application is a division application of my co-pending application Ser. No. 09/703,205, filed Oct. 31, 2000, which is a divisional application of application Ser. No. 09/330,797, filed Jun. 14, 1999 (now U.S. Pat. No. 6,193,879B1), which in turn is a division of my prior co-pending application Ser. No. 08/957,517, filed Oct. 24, 1997 (now U.S. Pat. No. 5,944,985, issued Aug. 31, 1999).
Divisions (3)
|
Number |
Date |
Country |
Parent |
09703205 |
Oct 2000 |
US |
Child |
10184312 |
Jun 2002 |
US |
Parent |
09330797 |
Jun 1999 |
US |
Child |
09703205 |
Oct 2000 |
US |
Parent |
08957517 |
Oct 1997 |
US |
Child |
09330797 |
Jun 1999 |
US |