Pressure regulator for a pressure cooker

Details Pressure regulator for a pressure cooker Pressure regulator for a pressure cooker

1995-08-26

1996-04-16

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

137529, 137530, 137534, 22020304, F16K 1706

Patent

active

055073115

ABSTRACT:
A pressure cooker pressure regulator having at least two operating thresholds, the regulator being of the type comprising a valve body fixed to the lid of a pressure cooker and having a valve seat formed therein, and a needle carrying a rating mass and bearing against the seat, the regulator is such that the needle is slidably mounted relative to the rating mass, that a spring is interposed between the needle and the rating mass, and that means are provided for adjusting the force exerted by the spring on the needle and comprising means selectively implemented to oppose upward displacement of the rating mass relative to the valve body under the effect of pressure applied to the needle via the seat.

REFERENCES:
patent: 1737588 (1929-12-01), Hopkins
patent: 1743350 (1930-01-01), Hopkins
patent: 2524996 (1950-10-01), Sayers
patent: 2536505 (1950-12-01), Kircher

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