Pressure cooker comprising calibrated leakage means

Details Pressure cooker comprising calibrated leakage means Pressure cooker comprising calibrated leakage means

2002-07-22

2009-12-01

Simone, Timothy F. (Department: 3742)

Foods and beverages: apparatus

Cooking

Intercontrol or safety control

C099S403000, C220S314000, C220S316000, C220S912000

Reexamination Certificate

active

07624674

ABSTRACT:
A household appliance for cooking under pressure, the appliance being provided with bistable calibrated leakage means suitable for taking up an open position in which the pressure inside the appliance is allowed to increase continuously to above a determined pressure P0, while also allowing air to be bled from the appliance, and a closed position corresponding to an absence of leakage of air to the outside, the open position being sustained until a predetermined pressure value P1is reached. Rather than being sustained until the predetermined pressure P1is reached, the open position is sustained for one of a predetermined time interval Δt after P0is reached, and until a predetermined temperature value T1is reached. The appliance is provided with at least one closure/opening safety means whose position is sensitive to pressure.

REFERENCES:
patent: 2501185 (1950-03-01), Moorhead
patent: 2538567 (1951-01-01), Jones
patent: 2563563 (1951-08-01), Swenson
patent: 4434909 (1984-03-01), Ott
patent: 5442998 (1995-08-01), Niese
patent: 5724884 (1998-03-01), Fischbach
patent: 6425320 (2002-07-01), Chameroy et al.
patent: 0596163 (1994-05-01), None
patent: 0794366 (1997-09-01), None
patent: 1277427 (2003-01-01), None
patent: 2035837 (1980-06-01), None

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