Abstract: An oven includes a cooking chamber for receiving food product to be cooked, a door movable between an open condition and a closed condition relative to the cooking cavity, a heating system for generating heat and a fan system for moving heated air through the cooking cavity. A controller is configured for controlling the heating system and the fan system. The controller includes an associated memory storing a first set of operating parameter values and a second set of operating parameter values. The controller is configured to identify whether the oven is in the cook state or the idle state. The controller uses the first set of operating parameter values to control the heating system and the fan system during the cook state, and uses the second set of operating parameter values to control the heating system and the fan system during the idle state.

Abstract: An oven includes a steam input arrangement with a thermal mass and one or more water flow directors to more effectively deliver water onto the thermal mass so that less water ends up bypassing the thermal mass.

Abstract: Ovens having spray systems for spraying cleaning fluid in a cooking chamber are disclosed that include a chamber drain flow path that leads to a grease drain path and a water drain path. A baffle wall in the chamber drain flow path controls the flow of fluid between the grease drain path and the water drain path. The chamber drain flow path may also have a recirculation path to return water to the spray system. Ovens having spray systems for cleaning are disclosed that include a door having a latch mechanism that automatically latches upon closure of the door and a gasket disposed between the door and an oven housing that directs water impinging upon the door back into the cooking chamber and the chamber drain flow path. The door may have an inner glass pane and an outer glass pane pivotably mounted to the inner glass pane.

Abstract: An oven includes chamber with a food drippings drain path along which food drippings can flow for removal from the chamber. A steam input arrangement associated with the chamber includes a separate exit flow path for excess water.

Abstract: Ovens having spray systems for spraying cleaning fluid in a cooking chamber are disclosed that include a chamber drain flow path that leads to a grease drain path and a water drain path. A baffle wall in the chamber drain flow path controls the flow of fluid between the grease drain path and the water drain path. The chamber drain flow path may also have a recirculation path to return water to the spray system. Ovens having spray systems for cleaning are disclosed that include a door having a latch mechanism that automatically latches upon closure of the door and a gasket disposed between the door and an oven housing that directs water impinging upon the door back into the cooking chamber and the chamber drain flow path. The door may have an inner glass pane and an outer glass pane pivotably mounted to the inner glass pane.

Abstract: An oven includes a steam input arrangement with a thermal mass and one or more water flow directors to more effectively deliver water onto the thermal mass so that less water ends up bypassing the thermal mass.

Abstract: An oven includes chamber with a food drippings drain path along which food drippings can flow for removal from the chamber. A steam input arrangement associated with the chamber includes a separate exit flow path for excess water.

Abstract: A photovoltaic device includes a supporting layer, a semiconductor layer stack, and a conductive and light transmissive layer. The supporting layer is proximate to a bottom surface of the device. The semiconductor layer stack includes first and second semiconductor sub-layers, with the second sub-layer having a crystalline fraction of at least approximately 85%. A conductive and light transmissive layer between the supporting layer and the semiconductor layer stack, where an Ohmic contact exists between the first semiconductor sub-layer and the conductive and light transmissive layer.

Abstract: A photovoltaic device includes a supporting layer, a semiconductor layer stack, and a conductive and light transmissive layer. The supporting layer is proximate to a bottom surface of the device. The semiconductor layer stack includes first and second semiconductor sub-layers, with the second sub-layer having a crystalline traction of at least approximately 85%. A conductive and light transmissive layer between the supporting layer and the semiconductor layer stack, where an Ohmic contact exists between the first semiconductor sub-layer and the conductive and light transmissive layer.

Abstract: One or more embodiments of the presently described invention provide a method for fabricating an all-back contact photovoltaic cell. The method includes the steps of depositing a semiconductor layer on a non-opaque substrate, increasing a level of crystallinity of the semiconductor layer by exposing it to a focused beam of energy, doping the semiconductor layer with first and second dopants on one side to create at least two doped regions, and providing electrical contacts to the doped regions by depositing a conductive layer on the semiconductor layer so that the electrical contacts are on the same side of the semiconductor layer while incident light strikes the layer from an opposing side.