Fluidic means for sensing the position of an article

Abstract

Abstract FLUIDIC DETECTOR APPARATUS FOR SENSING THE PRESENCE OR ABSENCE OF AN OBJECT OR ARTICLE, SUCH AS A LID ON A CONTAINER, BY CONVEYING A SUCCESSION OF CONTAINERS ALONG A PRESCRIBED COURSE IN WHICH AIR JET DETECTOR DEVICES HAVING AIR JET STREAMS EMITTING THEREFROM ARE SO POSITIONED AS TO HAVE THE JET STREAMS FROM ONE OF THE DETECTOR DEVICES SENSE THE PRESENCE OR ABSENCE OF A LID ON EACH OF THE CONTAINERS AND TO PRODUCE RESPECTIVE CHARACTERISTIC IMPULSES RESPONSIVELY TO SUCH PRESENCE OR ABSENCE, AND TO HAVE THE JET STREAMS OF A SECOND DETECTOR DEVICE SENSE THE MOVEMENT OF EACH CONTAINER PASSING THERETHROUGH TO ALSO PRODUCE AN IMPULSE RESPONSIVELY THERETO, THE APPARATUS BEING FURTHER CHARACTERIZED BY A FLUIDIC CONTROL PORTION ACTING RESPONSIVELY TO THE IMPULSES FROM THE TWO DETECTOR DEVICES FOR CORRELATING SUCH IMPULSES TO PRODUCE A SINGLE CONTROL IMPULSE WHICH EITHER EFFECTS CONTINUING MOVEMENT OF THE CONVEYOR OR A SHUT-DOWN THEREOF, AS THE SITUATION DEMANDS.

Inventors

• 👤 Christopher Roland Bo Harrison

Bibliographic Details