초록 ▼

Various representative commercial cooking devices are disclosed wherein a recirculating flow of heated air, at a food cooking temperature, is created within a housing in which a horizontally disposed food support and cooking member, such as a perforated metal plate, a solid griddle plate or a metal

Various representative commercial cooking devices are disclosed wherein a recirculating flow of heated air, at a food cooking temperature, is created within a housing in which a horizontally disposed food support and cooking member, such as a perforated metal plate, a solid griddle plate or a metal broiling grate, is positioned. A plenum structure is utilized to convert a portion of the continuously recirculated air into a spaced series of relatively high velocity heated air impingement jets which are caused to laterally diffuse and at least slightly overlap prior to striking at least one side surface of the food support structure. In this manner, each food support structure side surface subjected to such diffused jet impingement is evenly blanketed with heating air to thereby very uniformly transfer heat from the air to the food support structure, and thus to the food supported thereby, at an accelerated rate.

대표청구항 ▼

A convertible air impingement oven comprising: a housing having a cooking chamber therein having air inlet and air return openings and an access door; heated air recirculating means for creating within said housing a recirculating flow of heated air which is forced into and out of said cooking chamb

A convertible air impingement oven comprising: a housing having a cooking chamber therein having air inlet and air return openings and an access door; heated air recirculating means for creating within said housing a recirculating flow of heated air which is forced into and out of said cooking chamber through the air inlet and air return openings; and a plurality of air plenum box means each selectively insertable through the access door and removably supportable in vertically spaced relationship within said cooking chamber for intercepting a portion of the heated air traversing said cooking chamber from the inlet openings and the return openings and utilizing the intercepted air to create within each of said air plenum box means vertically spaced, opposed, downwardly and upwardly directed relatively high velocity heated air impingement jets which laterally diffuse and at least partially overlap during their vertical travel as air passes into the respective plenum box means, each of said air plenum box means having a food support member horizontally supported therein and positioned to be impinged on opposite sides by the oppositely directed jet flows in the air plenum box means, and a side wall opening through which a food item may be placed on and removed from the support member, the opposing jet flows in each air plenum box means operating to evenly blanket upper and lower sides of the support member with vertically directed heating air, whereby a food item placed on the support member is evenly cooked on opposite sides thereof at an accelerated rate regardless of the position of the food item on the support member.