Fluid sprinkling – spraying – and diffusing – With heating or cooling means for the system or system fluid – Vehicle mounted heater and spray device
Patent
1989-06-09
1991-04-02
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
With heating or cooling means for the system or system fluid
Vehicle mounted heater and spray device
239160, 239161, 239163, 239164, 239172, 239246, 239597, 153401, B05B 124, E01H 110
Patent
active
050041568
DESCRIPTION:
BRIEF SUMMARY
The present invention concerns the washing of dirty surfaces such as ground surfaces or floors, walls and ceilings using a device mounted on a motor vehicle.
Devices of this kind as currently used for cleaning ground surfaces or floors comprise a fixed high-flowrate, low-pressure washing manifold dispensing cold water. The manifold comprises a large number of nozzles so as by displacement of the vehicle to cover a given working area. Hot water cannot be employed in these known devices because of the high water flowrate (6 to 20 m.sup.3 /h) needed. The vehicle comprising a device of this kind has a chassis which carries a tank which, given the high water flowrate, has to be large to enable the vehicle to function without replenishment for a particular time period.
In theory the tank could be filled with hot water before the vehicle sets out for a cleaning run, but it would then be necessary to provide good thermal insulation of the tank for the temperature of the water not to fall excessively, especially in winter.
What is more, it would also be necessary to provide a source of hot water at a specific location, which would reduce the autonomy and utility of the vehicle.
The above considerations explain why known washing devices comprise a fixed manifold which delivers only fixed direction low-pressure jets of cold water with the result that the jets have no cleaning effect on surfaces soiled with oil, grease or like materials. An object of the invention is a washing device mounted on a motor vehicle having a strong cleaning effect on surfaces including surfaces soiled by oil, grease and the like.
A washing device in accordance with the invention comprising at least one cold water tank and means for heating water which supply, with the aid of pumping means and pipes, at least one rotary cleaning arm fitted with at least one nozzle capable of directing a jet of hot water under pressure onto a surface to be cleaned is characterized in that the heating means comprise at least one high-pressure boiler adapted to deliver hot water at a pressure of between 100 and 250 bars.
The pressure is provided by the pumping means which advantageously comprise to this end a high-pressure volumetric pump.
These arrangements make it possible to obtain a jet of pressurized hot water which has a strong cleaning effect on the surfaces on which it impinges because the jet has a high kinetic energy and its high temperature serves to soften or even melt oil and grease and to separate them from the washed surface.
The high power of the jets makes it possible to reduce their transverse cross-section and therefore the flowrate of each nozzle mounted on the rotary arm. This results in particularly low consumption of hot water and considerable autonomy of the cleaning vehicle.
In a first embodiment of the invention, advantageous for washing ground surfaces or floors, the rotary arm is disposed substantially horizontally and has a substantially vertical axis of rotation; said arm is situated beneath the vehicle, each nozzle being oriented to direct a jet of hot water towards the ground surface or floor to be cleaned.
This device also comprises means for adjusting the height of the rotary arm relative to the ground surface or floor to be cleaned between a cleaning position and a standby position.
These characteristics make it possible to obtain cleaned strips of ground surface or floor which result from the envelope of displacement of the annular surface cleaned by one revolution of the rotary arm situated beneath the vehicle. In the case of rectilinear displacement of the vehicle there is obtained a cleaned strip of uniform width over substantially all its length. With this arrangement the device is particularly suitable for cleaning roads, airplane runways and other oily ground surfaces.
In a second embodiment of the invention the vehicle is provided with a single rotary arm and the device is characterized in that it comprises an articulated member having the rotary cleaning arm disposed at its free end that can be oriented and deployed t
REFERENCES:
patent: 900015 (1908-09-01), Hill
patent: 1388510 (1921-08-01), Cartwright
patent: 2995307 (1961-10-01), McMahon
patent: 3086713 (1963-04-01), Moldenhauer
patent: 3481544 (1969-12-01), Jackson
patent: 3690559 (1972-09-01), Rudloff
patent: 3720226 (1973-03-01), Minich et al.
patent: 3832069 (1974-08-01), Petsch
patent: 3877643 (1975-04-01), Smith et al.
patent: 3886623 (1975-06-01), Landesman et al.
patent: 3997114 (1976-12-01), Hewett
patent: 4022385 (1977-05-01), Krueger
patent: 4106516 (1978-08-01), Wiegand
patent: 4191590 (1980-03-01), Sundheim
patent: 4427154 (1984-01-01), Mercil
"Die Chem.-Techn. Industrie.", Seifen-Ole-Fette-Wachse, vol. 97, No. 8, Apr. 15, 1971 by A. Pollack, pp. 249-253.
Grant William
Kashnikow Andres
LandOfFree
Washing device mounted on a motor vehicle and comprising a rotar does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Washing device mounted on a motor vehicle and comprising a rotar, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Washing device mounted on a motor vehicle and comprising a rotar will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-322940