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A hot tub plumbing system including a plurality of water pumps respectively provided at different sides of a hot tub having a plurality of jets, and a plurality of manifolds each having an intake port coupled to one of the water pumps, and each configured to have a plurality of output ports respectively connected by tubing to one of the jets of the hot tub.

Titel:	Multi-pump hot tub plumbing system
Autor/in / Beteiligte Person:	LPI, Inc.
Link:	View record in USPTO Patent Grants (Volltext)
Veröffentlichung:	2019
Medientyp:	Patent
Sonstiges:	Nachgewiesen in: USPTO Patent Grants Sprachen: English Patent Number: 10398,623 Publication Date: September 03, 2019 Appl. No: 15/976367 Application Filed: May 10, 2018 Assignees: LPI, Inc. (Johnson City, TN, US) Claim: 1. A manifold for use in a hot tub plumbing system, comprising: an intake port configured to connect to a water pump in the hot tub plumbing system; and a plurality of output ports configured with connecting portions to connect with tubing to supply water from the water pump to a corresponding plurality of jets in the hot tub plumbing system. Claim: 2. The manifold of claim 1 , wherein the manifold is configured with two rows of output ports. Claim: 3. The manifold of claim 2 , wherein the two rows of output ports are adjacent. Claim: 4. The manifold of claim 2 , wherein the two rows of output ports are arranged at opposite sides of the manifold. Claim: 5. The manifold of claim 1 , wherein the output ports of the manifold are angled away from the input port of the manifold. Claim: 6. The manifold of claim 1 , wherein the manifold is configured to connect directly to the water pump. Claim: 7. The manifold of claim 1 , further comprising a plurality of friction members arranged inside the manifold to cause friction with water passing through the manifold and over the friction members. Claim: 8. The manifold of claim 7 , wherein the friction members include a plurality of projections extending from an inner surface of the manifold. Patent References Cited: 4853987 August 1989 Jaworski ; 5038853 August 1991 Callaway, Sr. ; 5056168 October 1991 Mersmann ; 5156642 October 1992 Lopez ; 5199116 April 1993 Fischer ; 5474102 December 1995 Lopez ; 5742954 April 1998 Idland ; 6000073 December 1999 Eddington ; 6108829 August 2000 Wadsworth ; 6412123 July 2002 Lau ; 6681414 January 2004 May ; 6857967 February 2005 Loyd et al. ; 7089608 August 2006 Erb ; 8104110 January 2012 Caudill et al. ; 8453275 June 2013 May ; 8890357 November 2014 Campbell ; 9475210 October 2016 Koski ; 9993387 June 2018 Hatley ; 2008/0148471 June 2008 Tatum ; 2008/0189846 August 2008 Gardenier ; 2010/0223721 September 2010 May ; 2014/0157512 June 2014 Yanity ; 2015/0204095 July 2015 Tournas ; 197352361 October 1974 ; 2736295 May 2014 ; 1415627 November 1975 Primary Examiner: Baker, Lori L Attorney, Agent or Firm: Pitts & Lake, P.C.

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Multi-pump hot tub plumbing system