Fluid handling – With indicator – register – recorder – alarm or inspection means – Position or extent of motion indicator
Patent
1987-07-20
1989-02-28
Rivell, John
Fluid handling
With indicator, register, recorder, alarm or inspection means
Position or extent of motion indicator
13762511, 137874, 25112912, F16K 3700
Patent
active
048076627
ABSTRACT:
A valve system for distributing particulate materials includes a housing with a number of outlets. A distributor is rotated inside the housing by motor so that its outlet registers in succession with each housing outlet. A position sensor detects registration of the distributor outlet with each housing outlet and comprises a set of spaced-apart optical transmitters, a corresponding set of optical detectors and an encoding disk mounted for rotation between the transmitters and detectors. The encoding disk has a number of circumferentially spaced transmission zones, one corresponding to each housing outlet. Each transmission zone has apertures adapted to place a unique set of the transmitters and detectors in communication thereby causing the detectors to generate a unique signal. The encoding disk is rotated such that a particular transmission zone registers between the transmitters and detectors whenever the distributor outlet registers with the corresponding housing outlet. Controls permit an operator to enter a code specifying a particular housing outlet and stop rotation of the distributor when registered with the selected outlet. The controls also comprise a programmable memory unit which permits the each housing outlet, and consequently a bin or vehicle to be filled, to be identified with any desired code.
REFERENCES:
patent: 4130030 (1978-12-01), Stratienko
patent: 4291724 (1981-09-01), Miller
patent: 4299251 (1981-11-01), Dugas
patent: 4310022 (1982-01-01), Cohen
patent: 4366839 (1983-01-01), Slavin
patent: 4619562 (1986-10-01), Brannstrom
Rivell John
Sullivan Strong Scott Ltd.
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