Cleaning and liquid contact with solids – Apparatus – Automatic controls
Patent
1975-04-10
1976-05-25
Bleutge, Robert L.
Cleaning and liquid contact with solids
Apparatus
Automatic controls
134166C, 119 1418, 1376275, 251 33, B08B 906, F16K 31143
Patent
active
039585840
ABSTRACT:
A mechanical self-timing valve is connected between a source of sanitizing solution and a milking machine to sanitize the milking machine between each milking operation. Initiation of the valve cycle is accomplished by pressing a button-type plunger to admit pressurized fluid to a cylinder and drive the piston and valve poppet to a flush position. Return of the poppet and piston to a drain position is resisted by pressurized fluid in the cylinder which is permited to bleed through a long, large diameter helical bleed conduit that winds around the plunger. In flush position, a sanitizing solution is directed through the valve, through a flexible milking line and through the claw and teat cups of the milking machine. In drain position, flow of sanitizing solution is blocked and the disconnected milking machine is gravity drained of remaining sanitizing solution, partly through the disconnected teat cups and partly through a valve drain port.
REFERENCES:
patent: 1393387 (1921-10-01), McCornack
patent: 2035533 (1936-03-01), Campbell
patent: 2685884 (1954-08-01), Heckendorf
patent: 2713344 (1955-07-01), Gallistel
patent: 2786445 (1957-03-01), Golay
patent: 2829857 (1958-04-01), Williams
patent: 3006368 (1961-10-01), George
patent: 3101742 (1963-08-01), Kellogg
patent: 3417763 (1968-12-01), Fjermestad et al.
patent: 3461845 (1969-08-01), Peterson
patent: 3506034 (1970-04-01), Branton
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