Surface cleaner

Inactive Publication Date: 2005-12-08
CLEAN UP AMERICA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0009] Accordingly, the present invention may provide a surface cleaner having improved cleaning capabilities with a reduced size

Problems solved by technology

However, each of these prior art surface cleaners are relatively large

Method used

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Embodiment Construction

[0022] Referring now to the drawings, and more particularly to FIG. 1, a self-propelled surface cleaner according to the present invention is shown and referenced generally by numeral 10. Surface cleaner 10 is a self-contained assembly for cleaning a surface 100 over which it can be driven. Such surfaces include, but are not limited to, runways, streets, sidewalks, parking surfaces, decks of ships and industrial floor areas.

[0023] Surface cleaner 10 includes a self-propelled vehicle having a frame 12, a drive train coupled to frame 12 that includes a transmission 14 coupled to rear wheels 18 (as shown) and / or front wheels 16. The drive system 15 is outline in the indicated dashed lines in FIG. 1. Controls for driving surface cleaner 10 and operating various systems thereon are provided in a driver / operator compartment 20 at the front portion of the vehicle. For reasons that will be explained further below, transmission 14 can be selectively coupled to either secondary drive or a co...

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PUM

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Abstract

A surface cleaner having a cleaning head. The cleaning head has a deck and a skirt extending from the deck such that when the skirt is placed in contact with the surface to be cleaned, a cleaning volume is defined. The cleaning head has at least one vent port and at least one vacuum port formed therein. Nozzles are mounted in the cleaning volume for movement therein when fluid under pressure is supplied thereto and sprayed therefrom. A liquid supply system supplies the fluid under pressure to the nozzles so that the surface to be cleaned is effectively scrubbed by the fluid to produce a mixture of the fluid and contaminants loosened from the surface to be cleaned. A vacuum recycling system coupled to the vacuum port(s) draws high-pressure air through the vent port(s) and over the surface being sprayed with the liquid under pressure. The mixture of fluid and contaminants is suctioned through the vacuum port(s) and filtered to separate the fluid from the contaminants. The fluid so-separated is then discharged. The fluid has a boiling point lower than the temperature and atmospheric pressure in which the cleaner is operated.

Description

FIELD OF THE INVENTION [0001] The invention relates generally to a surface cleaning apparatus. More particularly, the invention relates to a self-contained surface cleaner that effectively scrubs a surface with a pressurized fluid, and reclaims the contaminants loosened from a surface during the cleaning thereof. BACKGROUND OF THE INVENTION [0002] A variety of industrial-strength surface cleaners are known in the prior art. In general, a pressurized cleaning fluid is sprayed onto a surface to loosen dirt, rubber, oil, grease, etc., that has been deposited on the surface during the use thereof. The loosened dirt and other contaminants are then vacuumed. Some surface cleaners filter out the dirt and other contaminants in order to reuse the cleaning fluid. Specific examples of prior art surface cleaners are noted below. [0003] U.S. Pat. No. 3,959,010 discloses a surface cleaner having a spray / vacuum head attached to the front of a tractor and having mechanical systems mounted on a towe...

Claims

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Application Information

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IPC IPC(8): E01H1/08E01H1/10
CPCE01H1/103
Inventor CLEMONS, WILLIAM E. SR.
Owner CLEAN UP AMERICA
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