Limited volume high performance flush valve assembly

Details Limited volume high performance flush valve assembly Limited volume high performance flush valve assembly

2007-08-01

2011-12-20

Le, Huyen (Department: 3751)

Baths, closets, sinks, and spittoons

Flush closet

Tank only

C004S397000

Reexamination Certificate

active

08079095

ABSTRACT:
A flush valve assembly of the present invention includes a body subassembly in operable communication with a movable poppet seal subassembly via a guide rod of a predetermined length. The body subassembly inlet is substantially located above the tank floor, thereby reducing available tank discharge volume. The poppet subassembly includes a float having upper and lower float covers with an annular seal disposed therebetween. The poppet subassembly remains coaxially and slidably mounted with respect to the body subassembly so as to create a valve opening therebetween when the poppet subassembly is removed from its initial closed position to a second open position. Guide structure in the body subassembly accommodates reciprocatable movement of the guide rod and inhibits deviation of the guide rod from a predetermined axial guide path when the poppet subassembly is in use during a flush cycle. An optional valve bracket may be provided.

REFERENCES:
patent: 1895786 (1933-01-01), Cobb
patent: 2632895 (1953-03-01), Teahen
patent: 2904794 (1959-09-01), Goldtrap
patent: 3108287 (1963-10-01), Stallworth
patent: 4841579 (1989-06-01), Antunez
patent: 5926861 (1999-07-01), Frost
patent: 6715162 (2004-04-01), Han et al.
patent: 6728975 (2004-05-01), Han
patent: 6901610 (2005-06-01), Jensen et al.
patent: 6910232 (2005-06-01), Antunez

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