Particulate-removal rapper-controller

Details Particulate-removal rapper-controller Particulate-removal rapper-controller

1994-10-20

1996-10-01

Fleming, Fritz M.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

361154, 361195, 361206, B03C 376

Patent

active

055615830

ABSTRACT:
For dislodging of particulate material from precipitator plates, high voltage electrodes, hoppers, conveyance ductwork, etc., an electro-mechanical rapper module is removably combined with an electronic controller module in a single cylindrical unit that can be controlled and operated independently of any central controller. The rapper is preferably of the type that utilizes a spring-loaded hammer upstroke: being largely independent of gravity it can operate in any orientation. The controller drives the rapper in repetitive bursts at a rate of about 3 impacts per second, and provides selection of impact amplitude, on time and on delay. The unit can be controlled from a remote switch closure, and can be actuated manually by a pushbutton test switch on a control panel inside a top cover. The controller and rapper can be readily separated by removing a clamp, and can be operated as separate electrically-connected units.

REFERENCES:
patent: 3477124 (1969-11-01), Archer et al.
patent: 4086646 (1978-04-01), Lanese
patent: 4111669 (1978-09-01), League, IV
patent: 4624685 (1986-11-01), Lueckenotte et al.
patent: 5079459 (1992-01-01), Huston et al.
patent: 5114442 (1992-05-01), Artz
patent: 5173867 (1992-12-01), Johnston et al.

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