CONVECTION OVEN

WIPO Patent Application WO1994023627

A3

A convection oven includes a frame having a base member and two upright members which extend upwardly from the base member. A cooking chamber is removably supported by the frame and includes an upper enclosure member and a lower enclosure member. A housing attached to the upper enclosure member is configured so that cool air flows from a peripheral portion of an arm into a central portion of the housing and then is expelled from the arm over the upper surface of the upper enclosure member. A passive hinge connects the housing to the frame such that the housing and upper enclosure member may be both separated from the frame and lower enclosure member by lifting the housing vertically and pivoted relative to the frame and lower enclosure member. An extension ring selectively enlarges the size of the cooking chamber. A holster may hold the upper enclosure member and the housing when they are separated from the lower enclosure member. In one embodiment, an axial-type hot-air fan guides the hot air in a substantially axial direction within the cooking chamber, and a fan shroud surrounds the hot-air fan so that a radial component of the hot air is initially routed in a substantially axial direction off of the hot-air fan into the cooking chamber of the oven.

DORNBUSH DAVID A
ERICKSON CHAD S
IVERSON TROY M
SANDAHL JEFFREY E
MOORE KEVIN B
BARNES NEAL P
EASLEY JAMES B
JACKSON RICHARD C
VON DUYKE ANDREW L

PCT/US1994/003783

February 02, 1995

April 06, 1994

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ALTERNATIVE PIONEERING SYST (US)

A47J36/12; A47J36/34; A47J37/01; A47J39/00; (IPC1-7): A47J37/01

US4817509A	1989-04-04
US4397875A	1983-08-09
US5165328A	1992-11-24
DE2753827A1	1979-06-07
US2523796A	1950-09-26
GB2102561A	1983-02-02
US3529582A	1970-09-22

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