Dishwasher manifold assembly and associated method
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16L-009/16
F16L-009/00
출원번호
US-0460876
(2006-07-28)
등록번호
US-7422036
(2008-09-09)
발명자
/ 주소
Burrows,James
Nagel,Doug
Bragg,John
출원인 / 주소
Electrolux Home Products, Inc.
대리인 / 주소
Alston & Bird LLP
인용정보
피인용 횟수 :
2인용 특허 :
15
초록▼
A tubular manifold device for a dishwasher and associated method are provided. The manifold device defines a contiguous interior channel between opposed inlet and outlet ends. The manifold device has an inner surface defining the interior channel and an opposing outer surface, and comprises at least
A tubular manifold device for a dishwasher and associated method are provided. The manifold device defines a contiguous interior channel between opposed inlet and outlet ends. The manifold device has an inner surface defining the interior channel and an opposing outer surface, and comprises at least two discretely-formed manifold portions, each extending between and at least bisecting the opposed inlet and outlet ends of the interior channel. The at least two manifold portions are capable of cooperating via respective engagable longitudinal edges so as to form at least two joints therebetween. At least one overmold member is configured to sealingly engage the at least two manifold portions, across each of the at least two joints, such that the interior channel is fluid-tight between the inlet and outlet ends.
대표청구항▼
That which is claimed: 1. A tubular manifold device for a dishwasher, the manifold device having opposed inlet and outlet ends and defining a contiguous interior channel therebetween, the manifold device also having an inner surface defining the interior channel and an opposing outer surface, said
That which is claimed: 1. A tubular manifold device for a dishwasher, the manifold device having opposed inlet and outlet ends and defining a contiguous interior channel therebetween, the manifold device also having an inner surface defining the interior channel and an opposing outer surface, said manifold device comprising: at least two discretely-formed manifold portions, each extending between and at least bisecting the opposed inlet and outlet ends of the interior channel, the at least two manifold portions being configured to cooperate to form an arcuate portion about the outlet end of the interior channel, with the outlet end being adapted to operably engage a spray arm mechanism, the arcuate portion being further configured to have one of a varying radius and a substantially constant radius for reducing a pressure drop of a fluid flow therethrough into the spray arm mechanism, the at least two discretely-formed manifold portions further being capable of cooperating via respective engagable longitudinal edges so as to form at least two joints therebetween; and at least one overmold member configured to sealingly engage the at least two manifold portions, across each of the at least two joints, such that the interior channel is fluid-tight between the inlet and outlet ends. 2. A manifold device according to claim 1 wherein the longitudinal edges of the at least two manifold portions are further configured such that the at least two joints are butt joints, and the at least one overmold member is further configured to sealingly engage at least one of the inner surface and the outer surface of the at least two manifold portions across the butt joints. 3. A manifold device according to claim 1 wherein the longitudinal edges of the at least two manifold portions are further configured to define complementarily configured recess portions such that the at least two joints are butt joints defining a recess with respect to at least one of the inner surface and the outer surface, and the at least one overmold member is further configured to sealingly engage each of the at least two manifold portions, within the recess defined by the at least two manifold portions and across the butt joints, such that the overmold member is substantially flush with the at least one of the inner surface and the outer surface. 4. A manifold device according to claim 1 wherein the overmold member is comprised of a thermoplastic elastomer. 5. A manifold device according to claim 1 wherein the at least two manifold portions are comprised of a thermoplastic elastomer. 6. A manifold device according to claim 1 wherein the at least two manifold portions are comprised of a polypropylene material. 7. A manifold device according to claim 1 further comprising a sealing material disposed between and configured to operably engage each of the at least two manifold members and the at least one overmold member so as to form a fluid-tight seal therebetween. 8. A method of forming a tubular manifold device for a dishwasher, the manifold device having opposed inlet and outlet ends and defining a contiguous interior channel therebetween, the manifold device also having an inner surface defining the interior channel and an opposing outer surface, said method comprising: operably engaging respective longitudinal edges of at least two discretely-formed manifold portions so as to form at least two joints therebetween, each manifold portion extending between and at least bisecting the opposed inlet and outlet ends of the interior channel, and the at least two manifold portions being configured to cooperate to form an arcuate portion about the outlet end of the interior channel, with the outlet end being adapted to operably engage a spray arm mechanism, the arcuate portion being further configured to have one of a varying radius and a substantially constant radius for reducing a pressure drop of a fluid flow therethrough into the spray arm mechanism; and sealingly engaging at least one overmold member with each of the at least two manifold portions, across each of the at least two joints, such that the interior channel is fluid-tight between the inlet and outlet ends. 9. A method according to claim 8 wherein operably engaging the longitudinal edges further comprises operably engaging the longitudinal edges of the at least two manifold portions such that the at least two joints are butt joints, and wherein sealingly engaging the at least one overmold member further comprises sealingly engaging the at least one overmold member with at least one of the inner surface and the outer surface of the at least two manifold portions and across the butt joints. 10. A method according to claim 8 wherein operably engaging the longitudinal edges further comprises operably engaging the longitudinal edges of the at least two manifold portions, the at least two manifold portions further defining complementarily configured recess portions, such that the at least two joints are butt joints defining a recess with respect to at least one of the inner surface and the outer surface, and wherein sealingly engaging the at least one overmold member further comprises sealingly engaging the at least one overmold member with each of the at least two manifold portions, within the recess defined by the at least two manifold portions and across the butt joints, such that the at least one overmold member is substantially flush with the at least one of the inner surface and the outer surface. 11. A method according to claim 8, wherein sealingly engaging at least one overmold member with each of the at least two manifold portions further comprises applying a sealing material between each of the at least two manifold members and the at least one overmold member so as to form a fluid-tight seal therebetween.
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