Abstract: A gas-fired batch booster water heater for supplying sanitizing water to a dish washing machine comprises a chamber member, a water inlet tube, a gas-fired burner, a water outlet tube, a valve member, and a member for circulating water through the chamber member. The chamber member has a first opening operably attached to the water inlet tube and a second opening operably attached to the water outlet tube. The chamber member comprises an integrated heat exchanger and water tank. The gas-fired burner heats the water in the chamber member as it is circulated. The gas-fired batch booster water heater may further include a temperature sensor associated with the water inlet tube for controlling activation of the member for circulating water through the chamber member.

Abstract: An anti-tip anchor bracket for a major home appliance, such as an electric or gas range with a front opening oven. The bracket is mounted on the floor and is provided with opposite side flanges to which the levelling feet of the appliance are slid under, thus preventing the appliance from tipping when an open oven door extending horizontal to the floor is stepped on or has excessive weight placed upon it. The bracket is also provided with a front flange which prevents the appliance from being inserted within the mounting bracket in an incorrect manner.

Abstract: A windowed door assembly for a combination microwave and hot air oven having a choke-coupling type seal formed around the periphery of the window opening to suppress the leakage of microwave energy from the area between the main body of the door and the window portion of the door. The window portion is removably connected to the main body of the door in a region of relatively high capacitive impedance to reduce the importance of the mechanical connection in suppressing the leakage of microwave energy from the oven.

Abstract: Microwave ovens typically have an oven cavity and a feed system for supplying microwaves through a feed opening into the cavity. Such ovens are inproved by providing a field stirrer rotatably mounted over and covering the feed opening. The field stirrer is a single conductive plate having a single radiating slot in the plate exposing only a portion of the feed opening to the cavity through the slot at any position of the plate during its rotation. The slot is in the shape of an arc or other shape which is tangentially longer than it is radially wide. The plate also has a plurality of wings, fins, or vanes outside the feed opening. The vanes and slot are arranged so that electrically identical positions of the plate occur only every full circle of rotation by virtue of bilateral symmetry at most. The plate is spaced from the feed opening and into the cavity by a sufficient distance to permit flow of microwave energy beneath the plate for distribution around the periphery of the plate and by the vanes.

Abstract: A utensil handle assembly for a utensil suitable for use in a microwave oven combining the advantages of metal with the advantages of plastic. A split metal ring is tightly drawn around the utensil and fastened together. A plastic handle is connected to the already fastened metal ring through a connecting area. The connecting area is made up of a series of wedges pressed together and bonded to form a permanent connection.

Abstract: A control circuit for a microwave oven including a main timer for setting the period of operation and having a high power mode in which power is continuously supplied to the microwave generator for the entire timed period, and a defrost or low power mode wherein power is supplied at a reduced duty cycle for the selected time period. The circuit, in addition to the main timer operable in both modes, includes a defrost timer operable only in the defrost mode for periodically interrupting the power circuit for the microwave generator thereby to provide reduced duty cycle operation. The circuit further includes means for automatically resetting the defrost timer after operation thereof to assure that the microwave generator will be instantly energized upon subsequent operation, independently of the subsequently selected mode.

Abstract: A microwave oven in the form of an enclosed cavity having a magnetron and waveguide communicating with the cavity via a hollow conductor penetrating one of the walls. Centrally mounted in the conductor is an antenna having a straight shank portion and a radially extending arm portion, with an angled transitional portion inbetween, the transitional portion bearing an obtuse angle to the shank portion lying within the range of 105.degree. and 165.degree. and having a length at least equal to the radius of the hollow conductor so that the transitional portion and the arm portion radiate a "guided" wave in a direction different from that of the "inertial" wave radiated directly from the hollow conductor. The shank portion of the antenna is supported in a rotatable mount in the waveguide, and a motor coupled to the mount rotates the antenna for sweeping the guided wave throughout the cavity for improved energy distribution in the cavity and relative freedom from hot spots.