Infinitely adjustable cyclic timing device

Details Infinitely adjustable cyclic timing device Infinitely adjustable cyclic timing device

1975-03-31

1976-11-16

Cohan, Alan

Fluid handling

Systems

Programmer or timer

250233, 250234, G01D 544, G01D 536

Patent

active

039917894

ABSTRACT:
An adjustable dwell cyclic timing device. An element having a timing surface with a radius or other measurement varying from a minimum value to a maximum value and back to a minimum value, and preferably having generally a heart shape when the element is in the form of a disc, is rotated in synchronism with a timing cycle. A sensor is positioned to sense the presence and absence of the timing surface in a region between the minimum and maximum radii or other measurements only when the element is rotated through a predetermined angular segment for generating a cyclic timing signal during a preselected time segment in each cycle. The sensor position is adjustable for changing the preselected segment of the timing signal in each cycle to provide a desired starting point and dwell for the generated timing signal. A plurality of sensors may be positioned adjacent the path of the rotating timing element for generating a plurality of different cyclic timing signals during different preselected time segments in each cycle.

REFERENCES:
patent: 1820252 (1931-08-01), Shippy
patent: 2227037 (1940-12-01), Schlesinger
patent: 2228700 (1941-01-01), Hamner et al.
patent: 2286170 (1942-06-01), Heiland
patent: 2521946 (1950-09-01), Rathje
patent: 2780242 (1957-02-01), Dyson
patent: 2884940 (1959-05-01), Gorrie
patent: 3307041 (1967-02-01), Kling
patent: 3347252 (1967-10-01), Hanson
patent: 3596671 (1971-08-01), Scharfenberger
patent: 3886354 (1975-05-01), Swiden et al.
Application Bulletin of Askania Regulator Co., 3.5 UOC 11-56.

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