Nozzle device for cleanser foam suction apparatus

Details Nozzle device for cleanser foam suction apparatus Nozzle device for cleanser foam suction apparatus

1973-11-16

1976-04-27

Jenkins, Robert W.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15416, 15420, 15421, A47L 902

Patent

active

039523624

ABSTRACT:
A suction nozzle device for a cleanser foam suction apparatus or a vacuum cleaner. The suction nozzle device comprises an intake and a suction duct. The intake has therein a guide wall means completely partitioning the hollow space of the intake into a plurality of flow passages. The guide wall means projects at its leading edge substantially beyond the lower end of the peripheral wall of the intake so as to leave one of the flow passages open to the atomosphere when the suction nozzle device is placed on a surface to be treated. The suction duct extends from the intake, and has a throttle portion formed just behind the trailing edge of the guide wall means and a diffuser succeeding the throttle portion so as to cause ejection effect at the throttle portion by the jet flow of air, which the air enters from one of the flow passages open to the atmosphere. The guide wall means may be at least one guide vane longitudinally arranged within the intake having an elongated suction opening, or may be an upside-down funnel-shaped member supported within the intake having a circular suction opening.

REFERENCES:
patent: 993694 (1911-05-01), Larson
patent: 1791760 (1931-02-01), Kline
patent: 2585186 (1952-02-01), Taylor
patent: 2867231 (1959-01-01), Gerstmann
patent: 3314099 (1967-04-01), Otto

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