Steam cleaning apparatus

Details Steam cleaning apparatus Steam cleaning apparatus

1997-02-18

1999-06-22

Walberg, Teresa

Electric resistance heating devices

Heating devices

Vaporizer

220315, F22B 128, B65D 4500

Patent

active

059150718

ABSTRACT:
A steam cleaning machine including a housing enclosing a steam generator including a tank provided with a water inlet and a steam delivery connectable to a hose having a cleaning tool attached thereto for steam cleaning a surface. A pressure responsive locking mechanism is provided to lock a cover member in place over the water fill plug of the tank to prevent access thereto while the tank is pressurized. A plurality of safety mechanisms are provided to, respectively, shut off electrical power to the machine if the external surface temperature of the tank exceeds a predetermined value; to shut off electrical power to the tank if the internal tank pressure exceeds a predetermined value; to shut off electrical power to the water heating element in the tank responsive to the water level being too low; to shut off electrical power to the machine if the pressure responsive mechanism (mentioned supra) is not actuated; and, to enable the user to disconnect the hose connector from the machine without physically touching the hose connector.

REFERENCES:
patent: 2785272 (1957-03-01), Baly
patent: 3997759 (1976-12-01), Osrow et al.
patent: 4721260 (1988-01-01), Bolivar
patent: 4752423 (1988-06-01), Wong
patent: 5050778 (1991-09-01), Corrado et al.
patent: 5758108 (1998-05-01), Fowler, Jr.

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