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    • 10. 发明专利
    • WASHING APPARATUS
    • GB1479405A
    • 1977-07-13
    • GB634875
    • 1975-02-14
    • SUGINO MACH
    • B05B3/06B08B9/08
    • 1479405 Cleaning tanks SUGINO MACHINE Ltd 14 Feb 1975 6348/75 Heading A4F [Also in Division B2] A washing apparatus comprises a housing 10 supplied with washing fluid under pressure through a conduit 20, a hollow shaft 15 communicating through a bearing 24 with a nozzle shaft 31 carrying two offset nozzles 37 arranged to rotate by reaction, and, attached to the nozzle shaft 31, a bevel gear 39 engaging with a fixed bevel gear 13 so that the nozzle assembly also rotates about the axis of the shaft 15. A trochoid gear-pump 50 has fixed to the nozzle shaft 31 an external gear 56 which engages with an internal gear 57 to produce a flow of a fluid in a closed circuit. This provides a resistance to the rotation of the nozzles and an adjustable valve in the closed circuit enables the speed of rotation to be controlled. A fluid-storage chamber is provided to make up any changes in the amount of fluid in the closed circuit.