Portable pressure washer

Details Portable pressure washer Portable pressure washer

1993-09-02

1995-06-06

Merritt, Karen B.

Fluid sprinkling, spraying, and diffusing

Flow line or nozzle attached or carried handgrip or handle

239332, 414234, B05B 901

Patent

active

054215200

ABSTRACT:
A self-contained, completely portable pressure washer is disclosed which requires only connection to a conventional garden hose for operation. The portable pressure washer is driven by a two-cycle, internal combustion engine that is of relatively small size and weight. A positive displacement pump of the vane type is connected to the engine through a centrifugal clutch that causes operation of the pump only after a predetermined engine speed greater than idling speed has been reached. A garden hose is connected to the pump inlet and a substantially rigid spray wand having a spray head is mounted directly to the pump outlet. A primary handle on the engine housing and a secondary handle on the spray wand enable the user to carry and manipulate the portable pressure washer during all operative spray functions.

REFERENCES:
patent: 3826426 (1974-07-01), Bonvicini
patent: 3904116 (1975-09-01), Jones et al.
patent: 4404706 (1983-09-01), Loyd
patent: 4461055 (1984-07-01), Zerrer et al.
patent: 4792096 (1988-12-01), Gregory
patent: 4810169 (1989-03-01), Kranzle
patent: 4926904 (1990-05-01), Polk et al.
patent: 5035586 (1991-07-01), Sadler et al.
patent: 5169068 (1992-12-01), Bertolini

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