| US 7,500,369 B2 | ||
| Cold control damper assembly | ||
| Larry Eugene Unger, Southside, Ala. (US); and Mike Nick Glavaris, Jr., Grand Rapids, Mich. (US) | ||
| Assigned to Mid-South Products Engineering, Inc., Gadsden, Ala. (US) | ||
| Filed on Aug. 04, 2006, as Appl. No. 11/499,859. | ||
| Application 11/499859 is a continuation of application No. 10/877808, filed on Jun. 25, 2004, granted, now 7,107,775. | ||
| Claims priority of provisional application 60/483087, filed on Jun. 27, 2003. | ||
| Prior Publication US 2007/0017236 A1, Jan. 25, 2007 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. F25D 17/04 (2006.01) | ||
| U.S. Cl. 62—187 [62/407] | 21 Claims |

| 1. A combination refrigerator/freezer unit, said unit comprising:
A) a refrigerator portion;
B) a freezer portion; and
C) a valve in between said refrigerator portion and said freezer portion, said valve comprising:
a housing portion defining an air passageway hole having an air passageway hole axis extending through said air passageway
hole, and further defining a land area, said land area defining a peripheral surface portion extending substantially about
the periphery of said hole, said peripheral surface portion facing inwardly towards said air passageway hole axis, said housing
portion defining a tapering portion adjacent at least a portion of said land area peripheral surface portion such that air
flow is more constricted when passing said land area;
a gate pivotable about an axis substantially perpendicular to said air passageway hole axis, said gate capable of:
substantially closing said air passageway hole, and
knocking off ice formed on at least part of said land area.
|