New inversional control of the opening and closing cycle in refrigerating facilities (Machine-translation by Google Translate, not legally binding)

摘要

New control for reversing the opening and closing cycle of refrigeration installations, characterized by being constituted by a central stem of a plurality of passages or ducts, which are sealed by means of a valve, which when turned 90º, is related to said holes, opening some and closing others, also characterized because to know the position, has a scale of interlocking points, which has the flange cover, on which is related a punch of corresponding spring, which is driven by a crank . (Machine-translation by Google Translate, not legally binding)