Inlet valve mechanism

Details Inlet valve mechanism Inlet valve mechanism

1996-11-26

1998-04-28

Walczak, David J.

Baths, closets, sinks, and spittoons

Flush closet

Tank only

4379, 4331, E03D 134

Patent

active

057429510

ABSTRACT:
An interlock mechanism (6-9, 41-47) for a cistern or flush tank (1) has an underwater flush valve (3). The interlock mechanism is linked with the float arm (7, 57) of an inlet valve (5, 50). The interlock mechanism latches the float arm in its raised position in the event of a leaky flush valve (3). Thus although a single cistern volume is lost there is no further loss. The next time a flush actuator (10) is operated the interlock mechanism in unlatched allowing the cistern to re-fill. The rising water re-sets the interlock latch mechanism.

REFERENCES:
patent: 4843657 (1989-07-01), Orr
patent: 4901377 (1990-02-01), Weir
patent: 4965891 (1990-10-01), Antunez
patent: 4993086 (1991-02-01), Palmer
patent: 5282280 (1994-02-01), Wodeslavsky
patent: 5285533 (1994-02-01), Chen et al.
patent: 5287882 (1994-02-01), Mikol
patent: 5327931 (1994-07-01), Royalty et al.
patent: 5542448 (1996-08-01), Campbell et al.

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