Patent ID: 9326632
Filing Date: 2016-05-03
CPC Classification: A47J,F16K,F24C,Y10T

Claim Text:
1. A valve arrangement of a cooking device having a cooking chamber, the valve arrangement disposed in a housing having an interior chamber, the housing having a first conduit having a first discharge cross-section connecting the interior chamber with the cooking chamber and a second conduit having a second discharge cross-section connecting the interior chamber with an outside atmosphere, the valve arrangement comprising: a socket disposed in association with the second conduit, wherein the socket provides a valve seat having a valve seat opening disposed in the interior chamber in fluid communication with the second conduit, and wherein the valve seat opening has a cross-section larger than the second discharge opening; and a valve disc means comprising a vacuum valve disc having at least one through-hole and a cross-section larger than the valve seat opening and a relief valve disc disposed on and moveable away from the vacuum valve disc and having a cross-section that is smaller than the valve seat opening, wherein the relief valve disc closes the at least one through-hole when disposed adjacent the vacuum valve disc, wherein they vacuum valve disc is moveable between a closed position seated on the valve seat opening and an open position disposed away from the valve seat opening, such that at a negative pressure in the cooking chamber the vacuum valve disc moves from the closed position to the open position, and such that at a positive pressure in the cooking chamber the vacuum valve disc remains in the closed position and the relief valve disc moves away from the vacuum valve disc and opens the at least one through-hole.