Abstract: An improved type of valve in particular for air compressors is described. The main characteristic of the present invention lies in the fact that it includes a strip in which are formed two substantially U-shape slots passing therethrough, facing towards one another, which define a central portion, two intermediate portions constituted by a respective tongue fixed to a closure plate of a cylinder, and a perimetral portion. In the plate, in correspondence with the central portion and the perimetral portion, there are formed orifices for passage of a fluid, which orifices are alternatively closed or opened by the said central portion and perimetral portion.
Type:
Grant
Filed:
April 20, 1987
Date of Patent:
November 24, 1987
Assignee:
Fini Elettrocostruzioni Meccaniche, S.p.A.
Abstract: A peeling machine particularly for peeling tuburous vegetables such as potatoes and onions includes a vessel with side walls containing peeling mechanism and a rotatable bottom for tumbling the vegetables within the vessel against the peeling mechanism. Near the bottom, adjacent the center of the vessel and directed generally outward are one or more nozzles into which air under pressure is introduced. Near the top of the vessel located adjacent the side walls, are one or more spray nozzles through which water may be introduced. The introduction of air and/or water is selective, and can be adjusted according to the type of vegetable, and the amount thereof, being peeled in the machine.