Toilet flusher with novel valves and controls

Details Toilet flusher with novel valves and controls Toilet flusher with novel valves and controls

2005-08-30

2005-08-30

Yu, Justine R. (Department: 3751)

Baths, closets, sinks, and spittoons

Flush closet

Tank only

C004S367000, C251S029000

Reexamination Certificate

active

06934976

ABSTRACT:
A tank-type flusher includes an intake valve, i.e., a fill valve, a diaphragm-operated flush valve, and a pressure control mechanism. The intake valve is connected to an external water source and is constructed to close water flow to a water storage tank at about a predefined water level in the water tank. The diaphragm-operated flush valve is constructed to control a flush valve member between a seated state and an unseated state allowing water discharge from the water tank into a toilet bowl. There is a diaphragm, separating a flush-valve chamber and a pilot chamber, arranged to seal the flush-valve chamber and thereby maintain pressure forcing the flush valve member to the seated state preventing the water discharge from the water storage tank to the toilet bowl. The pressure control mechanism is constructed and arranged, upon actuation, to reduce pressure in the pilot chamber of the diaphragm-operated flush valve to cause deformation of the diaphragm and thereby reduce pressure in the flush-valve chamber causing the water discharge.

REFERENCES:
patent: 2182873 (1939-12-01), King
patent: 2320886 (1943-06-01), Quiroz
patent: 2389413 (1945-11-01), Carlton
patent: 2760204 (1956-08-01), Joanis
patent: 2858546 (1958-11-01), Tekenos et al.
patent: 3064675 (1962-11-01), Johnson et al.
patent: 3113756 (1963-12-01), Griffo
patent: 3628195 (1971-12-01), Skousgaard
patent: 3677294 (1972-07-01), Gibbs et al.
patent: 3689025 (1972-09-01), Kiser
patent: 3747621 (1973-07-01), Tine
patent: 3817279 (1974-06-01), Larson
patent: 3817489 (1974-06-01), Caron et al.
patent: 3820171 (1974-06-01), Larson
patent: 3820754 (1974-06-01), Caron et al.
patent: 3905050 (1975-09-01), Goza et al.
patent: 4003399 (1977-01-01), Fischer
patent: 4034423 (1977-07-01), Milnes
patent: 4060857 (1977-12-01), Couton
patent: 4077602 (1978-03-01), Klessig
patent: 4088297 (1978-05-01), Doyle et al.
patent: 4141091 (1979-02-01), Pulvari
patent: 4193145 (1980-03-01), Gross et al.
patent: 4233698 (1980-11-01), Martin
patent: 4304015 (1981-12-01), Hubatka
patent: 4357720 (1982-11-01), Stahli
patent: 4499615 (1985-02-01), Radovsky
patent: 4575880 (1986-03-01), Burgess
patent: 4646780 (1987-03-01), Spooner
patent: 4662395 (1987-05-01), Strangfeld
patent: 4707868 (1987-11-01), Hennessy
patent: 4756031 (1988-07-01), Barrett
patent: 4832310 (1989-05-01), Nestich
patent: 4941215 (1990-07-01), Liu
patent: 5003643 (1991-04-01), Chung
patent: 5005226 (1991-04-01), Basile et al.
patent: 5046201 (1991-09-01), Steinhardt et al.
patent: 5187818 (1993-02-01), Barrett, Sr. et al.
patent: 5313673 (1994-05-01), Sandi et al.
patent: 5335694 (1994-08-01), Whiteside
patent: 5341839 (1994-08-01), Kobayashi et al.
patent: 5361426 (1994-11-01), Martin
patent: 5400446 (1995-03-01), Bloemer et al.
patent: 5427351 (1995-06-01), Korfgen et al.
patent: 5431181 (1995-07-01), Saadi et al.
patent: 5435019 (1995-07-01), Badders
patent: 5464037 (1995-11-01), Younes
patent: 5603127 (1997-02-01), Veal
patent: 5649686 (1997-07-01), Wilson
patent: 5652970 (1997-08-01), Wodeslavsky
patent: 5722454 (1998-03-01), Smith et al.
patent: 5802628 (1998-09-01), Spoeth et al.
patent: 5857661 (1999-01-01), Amada et al.
patent: 5884667 (1999-03-01), North
patent: 5920919 (1999-07-01), Chang
patent: 5970527 (1999-10-01), Martin et al.
patent: 6123315 (2000-09-01), Keller
patent: 6263519 (2001-07-01), Parsons et al.
patent: 6321395 (2001-11-01), Parsons et al.
patent: 6370707 (2002-04-01), Parsons et al.
patent: 6453479 (2002-09-01), Parsons et al.
patent: 312750 (1991-04-01), None
patent: 0828103 (1998-03-01), None
patent: 447056 (1936-05-01), None
patent: 1332995 (1973-10-01), None
patent: 2277108 (1994-10-01), None
patent: 2277750 (1994-11-01), None
patent: 2329452 (1999-03-01), None
patent: WO 98/06910 (1998-02-01), None
patent: WO 98/10209 (1998-03-01), None

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