Fluid handling – Systems – Programmer or timer
Patent
1985-05-10
1987-01-06
Michalsky, Gerald A.
Fluid handling
Systems
Programmer or timer
91 40, 137596, 13762414, 137865, 137869, F15B 1302
Patent
active
046339035
ABSTRACT:
A 4/2 type distributing control valve characterized by compactness, ruggedness and high sampling frequency, the valve comprising two index plates (6, 7), each having teeth about its perimeter, provided with axial switching bores (8, 9, 10, 11). The two switching bores for each plate are connected with a groove (12, 13) which extends over the center of the relevant index plate.
REFERENCES:
patent: 2178182 (1939-10-01), Mellinger
patent: 2837115 (1958-06-01), Bancroft
patent: 3499465 (1970-03-01), Roop
patent: 3654961 (1972-04-01), Phillips
patent: 4373874 (1983-02-01), Phillips
patent: 4478248 (1984-10-01), De Vall et al.
ENFO Grundlagenforschungs AG
Michalsky Gerald A.
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