|4142374||Demand defrost time clock control circuit|
A method and apparatus for initiating the defrost of refrigeration equipment on demand. A defrost clock which normally controls the conventional refrigeration and defrost modes of a refrigeration system includes an auxiliary switch to cease operation of t...
|3978632||Foam plastics display unit|
Foam plastic is injected into a hollow space between the inner and outer skin of a refrigeration unit. Contained in the foam plastic are metal plates positioned at points where walls, dividers or shelves may be attached to the refrigeration unit. The foam...
|3965692||Refrigeration control circuit|
The electrical control panel for a refrigeration unit using single or three phase power. The control portion has an oil pressure safety switch, defrost timer, temperature controls and perhaps a refrigerant pressure control in conjunction with the normal i...