1976-03-22
1978-08-22
Blunk, Evon C.
Cutlery
13761421, 302 42, B65G 5306
Patent
active
041084985
ABSTRACT:
A garbage suction system having a number of chutes connected to a common horizontal main transport duct, leading to a collection centre having a suitable air suction means, is provided with specially constructed air inlet valves at selected locations. Each chute is provided with a fork type obstruction at the bottom to loosely suspend the garbage, and the air inlet valves are located in the main transport duct at locations such that at least one chute is between the valve and the suction means. In operation a valve will first sense the suction effect and open the transport duct to the atmosphere, thereby providing a sufficient pressure drop across the garbage loosely suspended in a chute so as to cause the restrained garbage to be sucked away. The valve is provided with an automatic closing means so that the operating sequence may be then repeated.
REFERENCES:
patent: 2833301 (1958-05-01), Argus
patent: 3291154 (1966-12-01), Bounds
patent: 3490813 (1970-01-01), Hallstrom
patent: 3953078 (1976-04-01), Aitken
Blunk Evon C.
Bruun & Sorensen A/S
Rowland James L.
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