4062results about "Pressure-cookers" patented technology

Food stuffs are cooked at precise temperatures, which are optionally below 100° C., in a vessel that is evacuated to exclude air, in which low pressure steam replaces the air. When a sufficient quantity of air is excluded and replaced with water vapor, the temperature of vapor is accurately measured inside the vessel below the lid to control the temperatures within about 1° C. Air is preferably excluded via a controlled heated process for a relatively short period of time at high temperature to generate steam, the temperature is lowered to condense water vapor upon which the lid will sealingly engage the rim of the vessel, forming a partial vacuum in the cooking vessel.

A pressure cooker with a handle with an operating element, wherein the operating element comprises a rotating shaft. Also, a pressure cooker with an operating element with which pressure from the pressure cooker can be relieved through an aperture, wherein means are provided with which the pressure can be relieved with at least two specified different pressure relief rates or with at least one specified pressure relief rate and with a pressure relief rate which can be set to greater values than the specified value. Also, a pressure cooker with an operating element for opening and closing an aperture of the pressure cooker, wherein a second operable aperture of the pressure cooker is provided, as well as a pressure cooker with a pressure acquisition device having a mechanical part with at least one part, movable by the pressure, and an electronic part, which can acquire the position of the movable part in order to determine the pressure.

A cooking apparatus includes a cooking vessel and a lid for covering the cooking vessel. The cooking apparatus also may include an exhaust tube for bleeding off pressure within the cooking vessel, in which a portion of the exhaust tube is positioned above the lid when said lid covers said cooking vessel. In another embodiment, the cooking apparatus includes a first O-ring gaskets for forming a first seal between the cooking vessel and the lid, and a second O-ring gasket for forming a second seal between the cooking vessel and the lid. A method for reducing pressure includes the steps of providing a vessel and covering the vessel with a lid. The method also includes the steps of positioning a portion of an exhaust tube above the lid when the lid covers the vessel and bleeding off at least a portion of the pressure inside the vessel through the exhaust tube.

A process for oxidation with oxygen of at least one aromatic hydrocarbon having oxidizable, substituents that maximizes the utilization of oxygen without reduction in the quality of the carboxylic acid products produced by means of a stagewise countercurrent oxidation system is disclosed.

The invention discloses a side-flipping pressure cooker, which comprises a cooker body, a middle ring of the cooker body, a tumbler and a cooker cover, wherein the middle ring of the cooker body is fixed on the cooker body; one end of the tumbler is hinged with the middle ring of the cooker body; the tumbler is provided with a turning wheel which rotates relatively to the tumbler; the cooker cover is also provided with a cooker cover plug; the side surface of the turning wheel is provided with a slot matched with the cooker cover plug; the cooker cover plug is arranged in the slot; and the cooker cover is fixed on the tumbler by the cooperation of the cooker cover plug and the slot on the turning wheel. In the side-flipping pressure cooker, the cooker cover plug and the slot are cooperated to connect the cooker cover and the tumbler. The side-flipping pressure cooker has a simple structure and is convenient to use, the cooker cover can be easily and quickly dismounted to be cleaned, the cooker cover can be easily and quickly installed, and the hidden danger that air leakage is caused because the cooker cover is provided with a mounting hole can be avoided.

The invention relates to a food-cooking utensil including:

• • locking/unlocking means; and
  • a control member (6) for controlling the movement of said locking/unlocking means;
  • the control member (6) and the locking/unlocking means co-operating so that the position of the locking/unlocking means varies as a function of the position of the control member (6) in a first relationship while the control member (6) is being moved from its locking position towards its unlocking position, and so that the position of the locking/unlocking means varies as a function of the position of the control member (6) in a second relationship while the control member (6) is being moved from its unlocking position towards its locking position. Food pressure cooking devices.

A chamber formed of a dielectric material is sealed with a lid for use in a microwave oven. The lid contains a pair of translating grip that engage the chamber rim to seal the vessel to contain pressure. The grips can be activated to release the lid by a centrally disposed button type actuator. The grips are coupled to a vent release means formed within the shell like construction of the lid.

A steam pressure cooker includes a pot having an outwardly directed horizontal pouring rim and formed with a V-shaped circumferential depression which points inwardly to define a conical surface in an upper rim area. A lid can be placed upon the pot for closing and includes a circumferential groove. Positioned between pot and lid is a rubberized elastic sealing element which is held in the circumferential groove. The sealing element has a sealing body of substantially U-shaped configuration to define two sealing lips in coaxial parallel relationship to the vertical pot axis. One sealing lip bears against an inner wall of the pot and interacts with the conical surface of the pot, when the lid is placed upon the pot. A locking mechanism embraces and thereby clamps the lid and the pouring rim, when the steam pressure cooker is closed, and clears the pouring rim, when the steam pressure cooker is opened.

A pressure cooker includes a bowl and a removable lid carrying at least two jaws mounted to move on the lid between a locking position for locking the lid on the bowl and an unlocking position, each jaw being connected to a slider mounted to slide on the lid so that sliding of the slider causes the associated jaw to move towards one of the positions. A pinion is mounted to turn on the lid about an axis that is vertical in operation, each slider having a rack-forming toothed portion which co-operates with the pinion so that turning the pinion causes all of the jaws to move simultaneously towards one of the positions.

The invention provides an electric pressure cooker, comprising an outer cooker, an inner cooker, a heating device, an elastic cell, a sealing device, a safety device and a control circuit which controls the pressure cooker to work. Besides, the invention also comprises a capacitance sensor, wherein the capacitance sensor comprises a first polar plate and a second polar plate, the heating dish is dislocated by the pressure to drive the first polar plate to move corresponding to the second polar plate, the signal of the capacitance change value is generated by changing the distance between the two polar plates, then the signal is inputted to the control circuit to detect and dispose, thus controlling the electric pressure cooker to work. The invention achieves the real-time detection and control of the pressure. As the pressure is continuous and adjustable, different pressure or working time can be chosen according to the condition of different food during the process of cooking. The capacitance value extra generated due to the capacitance sensor being disturbed by the temperature and the electromagnetic is counteracted by the compensating capacitance greatly. The signal quantity is effectively enlarged by the lever device, thus improving the detecting accuracy and the sensibility of the capacitance sensor.

The invention relates to a lid locking device for the safety of electric pressure cooking saucepan and a control method thereof, the lid locking device for the safety of electric pressure cooking saucepan comprises a switch button arranged on the lid, a clasp under the switch button hinged with the lid, a clasp head at the downward end of the clasp connected with the saucepan body, a exhaust hole arranged on the lid. The invention is characterized in that the exhaust hole is provided with a press piece for sealing, a push rod is arranged beside the press piece, one end of the push rod is near the press piece, and the other end of the push rod is hinged with one end of a connecting rod and extends under the switch button on the lid, the middle of the connecting rod is hinged on a hinge support, and the other end of the connecting rod is connected with a driving mechanism. The driving mechanism includes an electromagnetic valve arranged inside the lid, the other end of the connecting rod is hinged with a valve rod of the electromagnetic valve, the push rod is provided with a compressed spring and/or the connecting rod is provided with an offsetting spring, the electromagnetic valve is arranged on the lateral side of the push rod. The invention has the advantages of simple and reasonable structure, high safety degree, and flexible operation.

The invention discloses a control method and device of an electric pressure cooking saucepan. The method includes that according to the temperature changing information in the process of an electric pressure cooking saucepan working, the information of amount of rice which is waiting to be cooked in an electric pressure cooking saucepan is firstly judged. Then according to the result of the first judgment, the heating model is decided. An electric pressure cooking saucepan is controlled by the determined heating model to heat rice. The control method and device of an electric pressure cooking saucepan solve the problem that during the process that an electric pressure cooking saucepan is used for rice steaming with the prior art, more amount of rice may cause poor taste. The control method and device of an electric pressure cooking saucepan also avoid the situation that the rice is half cooked or over tender or scorched in part. Besides, the control method and device of an electric pressure cooking saucepan improve the taste of steamed rice of an electric pressure cooking saucepan and further improves the experience degree of users.

The invention discloses an electric pressure cooker, which comprises a cooker body, a cooker cover, a pressure limiting valve and a driving mechanism for driving the pressure limiting valve, wherein the cooker body comprises an outer pot and an inner pot which is arranged in the outer pot; the inner pot is used for accommodating cooked foods and a heating piece, which is used for heating the inner pot, is arranged in the outer pot; the cooker cover is arranged on the cooker body; an exhaust mechanism, which communicates with the interior of the inner pot, is arranged on the cooker cover, and diameter of the exhaust passage is within a range from 3.3mm to 30mm; the pressure limiting valve is movably arranged at the upper side of the exhaust passage so as to open or seal the exhaust passage; the inner pot is heated by the heating piece and the pressure limiting valve, which is driven by virtue of the driving mechanism, is used for sealing the exhaust passage so as to increase pressure in the inner pot and to keep the pressure in the inner pot at a rated pressure when the electric pressure cooker is under a boosting mode; and the inner pot is heated by the heating piece and the pressure limiting valve, which is driven by virtue of the driving mechanism, is used for opening the exhaust passage so as to release the cooking pressure in the inner pot when the electric pressure cooker is under a buck mode. With the application of the technical scheme provided by the invention, problems in the prior art that an electric pressure cooker are long in cooking duration and complex in operating steps of flavoring and thickening are solved.