Fluid handling – Systems – Programmer or timer
Patent
1983-01-20
1984-10-23
Michalsky, Gerald A.
Fluid handling
Systems
Programmer or timer
91 40, 13759618, 13762418, F15B 13042
Patent
active
044782489
ABSTRACT:
A rotary valve having a housing with a center section and a pair of end sections attached to the center section. A rotary shaft extending axially through the center section into said end sections with bearings in each end section rotatably supporting an end of the shaft. The center section and the end sections form a pair of axially aligned chambers within the housing and a cylindrical rotor is located in each chamber. Each rotor is fixed to the shaft for rotation with the shaft and each rotor has a continuous groove formed in its peripheral edge. A plurality of radially and angularly spaced arcuate slots are formed in each face of each rotor and a plurality of passages are formed in each rotor. The passages intersect the arcuate slots and the continuous groove to connect arcuate slots with other arcuate slots and with the groove. Passageways are formed in the end sections of the valve to connect the individual chambers with the exterior of the housing. Ports are also formed in the center section extending between one of the individual chambers and the exterior of said housing. A motor connected to an end of the shaft to rotate the shaft and the rotors to move the arcuate slots into and out of alignment with the passageways formed in the housing end sections.
REFERENCES:
patent: 2828693 (1958-04-01), Davis et al.
patent: 3654961 (1972-04-01), Phillips
patent: 3810417 (1974-05-01), Sieke
DeVall Donald L.
DeVall Hu D.
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