Apparatus and method of cleaning conveyor belts

Conveyors: power-driven – Conveyor having impinging fluid to feed – shift or discharge... – Having cleaning means

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15302, B65G 4500

Patent

active

057069328

ABSTRACT:
A device for cleaning a conveyor belt, whereby the conveyor belt has at least one surface and the device is responsive to a source of cleaning fluid and a source of pressurized air and is electrically powered by a source of electric power, includes a washer head assembly. The washer head assembly is removably mounted above the conveyor belt and includes a dual spray arm member for spraying the cleaning fluid onto the at least one surface of the conveyor belt. The washer head assembly also includes an air-driven motor for rotating the dual spray arm member, whereby the air-driven motor is responsive to the source of pressurized air and is operatively coupled to the dual spray arm member. Further, the washer head assembly includes a selectively adjustable air flow control valve for adjusting the rotational speed of the dual spray arm member. The conveyor belt cleaning device also includes cart-based equipment which is transported on a portable cart. The cart-based equipment includes an electric motor and a pressure pump for pressurizing the cleaning fluid prior to the cleaning fluid being supplied to the dual spray arm member of the washer head assembly. The cart-based equipment also includes a regulator assembly for controlling the pressurized air prior to the pressurized air being supplied to the air-driven motor of the washer head assembly. The washer head assembly and the cart-based equipment are interconnected by flexible hoses.

REFERENCES:
patent: 2266309 (1941-12-01), Cohen
patent: 3017986 (1962-01-01), Ackles
patent: 3815728 (1974-06-01), Vaughan
patent: 4051211 (1977-09-01), Beser et al.
patent: 4777972 (1988-10-01), Adam
patent: 5117967 (1992-06-01), Morrow et al.
patent: 5333724 (1994-08-01), Wingfield et al.
patent: 5598915 (1997-02-01), Malmberg et al.
Northern Catalog/Cleaners and Pumps, pp. 123, middle col. (Jan. 1996).

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