Pump with combined floating wear ring and liquid director

Details Pump with combined floating wear ring and liquid director Pump with combined floating wear ring and liquid director

2005-05-20

2009-06-09

Look, Edward (Department: 3745)

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Dynamically created seal

C415S173600, C415S206000

Reexamination Certificate

active

07544041

ABSTRACT:
A pump has a one piece combined floating wear ring and liquid director that includes an upper ring portion received over an impeller hub and a curved lower portion that separates the pump impeller and suction chambers and directs liquid from the suction chamber inlet port to the impeller inlet.

REFERENCES:
patent: 4586204 (1986-05-01), Daniels
patent: 4661041 (1987-04-01), Hessler
patent: 4909707 (1990-03-01), Wauligman
patent: 5156535 (1992-10-01), Budris
patent: 5408708 (1995-04-01), Mathis
patent: 5701388 (1997-12-01), Steinhardt
patent: 5915921 (1999-06-01), Sabini
patent: 5930852 (1999-08-01), Gravatt
patent: 6056506 (2000-05-01), Martin
patent: 6102657 (2000-08-01), Chalberg
patent: 6402462 (2002-06-01), Dipl.-Ing.
ITT Industries, “H” Series Whirlpool Bath Pump, Product Specification Sheet, p. 71.
ITT Industries, HydroAir “H” series Whirlpool Bath Pump, http://www.hydroairusa.com/products/bathPumps/H—SeriesPumps.htm, Mar. 18, 2004.

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