Operating valve for a pressure cooker

Details Operating valve for a pressure cooker Operating valve for a pressure cooker

1987-01-28

1988-05-03

Yeung, James C.

Stoves and furnaces

Liquid heater

Open-top vessel that may include lid

13753321, 137534, 251253, 220203, 220208, A47J 2700

Patent

active

047413255

ABSTRACT:
The operating valve for a domestic pressure cooker has a movable body provided with a cone-point valve pintle which rests on the nozzle for the discharge of steam from the pressure cooker. The movable valve body has a lateral steam discharge opening of dissymmetrical shape so that the escaping steam produces a torque which tends to cause pivotal displacement of said movable valve body about its axis. The movable valve body has an abutment lug which cooperates with a stationary stop in order to prevent pivotal displacement of the valve body under the action of the torque aforesaid.

REFERENCES:
patent: 1142389 (1915-06-01), Allan
patent: 2428483 (1947-10-01), Wittenberg
patent: 2590620 (1952-03-01), Holbik

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