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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:	2018
Medientyp:	Patent
Sonstiges:	Nachgewiesen in: USPTO Patent Grants Sprachen: English Patent Number: 9,993,387 Publication Date: June 12, 2018 Appl. No: 15/187084 Application Filed: June 20, 2016 Assignees: LPI, Inc. (Johnson City, TN, US) Claim: 1. A hot tub plumbing system, comprising: a plurality of jets; a plurality of water pumps respectively provided at different sides of a hot tub, the water pumps being configured to be powered by a 110-volt source and configured to pump water to different ones of the plurality of jets; and a plurality of manifolds each having an intake port coupled to one of the water pumps such that each of the water pumps are connected to at least one of the manifolds, and each of the manifolds configured to have a plurality of output ports respectively connected by tubing to one of the jets of the hot tub; wherein the water pumps and jets are arranged such that none of the water pumps pump water to any of the jets provided at an opposite side of the hot tub. Claim: 2. The hot tub plumbing system of claim 1 , wherein the plurality of water pumps includes two water pumps provided on opposite sides of the hot tub. Claim: 3. The hot tub plumbing system of claim 1 , wherein the plurality of water pumps includes four water pumps each provided at different sides of the hot tub. Claim: 4. The hot tub plumbing system of claim 1 , wherein the manifolds are each provided with two rows of output ports. Claim: 5. The hot tub plumbing system of claim 4 , wherein the two rows of output ports are substantially adjacent. Claim: 6. The hot tub plumbing system of claim 4 , wherein the two rows of output ports are provided at substantially opposite sides of the respective manifolds. Claim: 7. The hot tub plumbing system of claim 1 , wherein the output ports of the manifolds are angled away from the input ports of the respective manifolds. Claim: 8. The hot tub plumbing system of claim 7 , wherein the output ports are configured at approximately 45 degree angles to the manifold. Claim: 9. The hot tub plumbing system of claim 1 , wherein the water pumps are configured to be adjacent to a shell of the hot tub to minimize a distance between the pumps and the jets supplied with water by the water pumps. Claim: 10. The hot tub plumbing system of claim 1 , wherein the manifolds are attached directly to the respective water pumps. Patent References Cited: 4853987 August 1989 Jaworski ; 5056168 October 1991 Mersmann ; 5199116 April 1993 Fischer ; 5742954 April 1998 Idland ; 6000073 December 1999 Eddington ; 6108829 August 2000 Wadsworth ; 6412123 July 2002 Lau ; 6681414 January 2004 May et al. ; 6857967 February 2005 Loyd et al. ; 7089608 August 2006 Erb ; 8104110 January 2012 Caudill et al. ; 8453275 June 2013 May ; 8890357 November 2014 Campbell ; 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 Attorney, Agent or Firm: Pitts & Lake, P.C.

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Multi-pump hot tub plumbing system