US20070056191A1 - Snow removal machine with system for applying a surface treatment material - Google Patents
Snow removal machine with system for applying a surface treatment material Download PDFInfo
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- US20070056191A1 US20070056191A1 US11/595,931 US59593106A US2007056191A1 US 20070056191 A1 US20070056191 A1 US 20070056191A1 US 59593106 A US59593106 A US 59593106A US 2007056191 A1 US2007056191 A1 US 2007056191A1
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- treatment material
- machine
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- snow
- treatment
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- 238000004381 surface treatment Methods 0.000 title claims abstract description 33
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- 239000007787 solid Substances 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims description 49
- 239000008187 granular material Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 description 16
- 239000012530 fluid Substances 0.000 description 13
- 235000002639 sodium chloride Nutrition 0.000 description 11
- 230000004044 response Effects 0.000 description 7
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- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
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- 230000003247 decreasing effect Effects 0.000 description 1
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- 239000003112 inhibitor Substances 0.000 description 1
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- 235000013379 molasses Nutrition 0.000 description 1
- 229910000403 monosodium phosphate Inorganic materials 0.000 description 1
- 235000019799 monosodium phosphate Nutrition 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- WFIZEGIEIOHZCP-UHFFFAOYSA-M potassium formate Chemical compound [K+].[O-]C=O WFIZEGIEIOHZCP-UHFFFAOYSA-M 0.000 description 1
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H5/00—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
- E01H5/04—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H10/00—Improving gripping of ice-bound or other slippery traffic surfaces, e.g. using gritting or thawing materials ; Roadside storage of gritting or solid thawing materials; Permanently installed devices for applying gritting or thawing materials; Mobile apparatus specially adapted for treating wintry roads by applying liquid, semi-liquid or granular materials
- E01H10/007—Mobile apparatus specially adapted for preparing or applying liquid or semi-liquid thawing material or spreading granular material on wintry roads
Abstract
A snow removal machine including a housing with a forward opening through which snow enters the snow removal machine. At least one rotatable member is positioned and rotatably secured within the housing for engaging and eliminating the snow from within said housing. The snow removal machine also includes a surface treatment application system with a treatment material dispensing system connected to the housing for dispensing a liquid or solid deicer and/or anti-icing treatment material over an area from which snow has been removed.
Description
- Aspects of the present invention relate to a machine that removes snow and ice from a surface and treats the surface from which the snow has been removed. More specifically, aspects of the present invention relate to a machine with a rotating member that removes snow and ice from a surface. The machine then applies a deicer and/or anti-icing material to that surface to accelerate the melting of ice covering the surface and impede any future accumulation of snow and ice on that surface.
- As is well known, after snow falls it is desirable to remove the snow from areas that are used by pedestrians and vehicles. As used herein, the term “areas” includes sidewalks and other known pedestrian walkways such as walking paths, stairs, patios and decks, as well as driveways and certain roadways, parking areas and alleyways that are cleaned after a snowstorm with a conventional shovel, snowblower, or other equipment that carries a plow.
- Larger conventional snow removal machines, such as snowblowers, can be mounted to the front of wheeled vehicles such as tractors. In these instances, a driver sits on the vehicle and drives the attached snowblower during its operation. Other conventional snow removal machines are walk-behind models that are self-propelled or manually pushed by the operator. Self-propelled models typically include a belt drive power transmission system having a driving pulley connected to the output shaft of an engine, a driven pulley connected to one end of a rotating shaft, and an endless belt positioned around the driving and driven pulleys for transmitting power from the engine to the rotating shaft, so that the wheels of the snowblower rotate in response to the operation of the engine when the transmission system is engaged. Examples of conventional snow removing machines are disclosed in U.S. Pat. No. 6,508,018, U.S. Pat. No. 6,499,237, U.S. Pat. No. 5,479,730, and U.S. Pat. No. 4,104,812, all of which are incorporated herein by reference.
- Two major types of snow blowing systems are used in snowblowers. These systems include one-stage blower systems and two-stage blower systems. A one stage snowblower usually has a housing including a sub-housing. The sub-housing has a front opening where the snow is taken in between spaced apart sidewalls, as a powered rotating member, such as an impeller or brush, cuts or sweeps the snow. An engine is mounted on the housing and the impeller is journalled into the sidewalls of the sub-housing. The impeller is rotated by a direct drive mechanism connected to the engine as is known. In a one-stage snowblower, the impeller is the only powered device used for collecting the snow and throwing the snow out the snowblower's snow exhaust chute or front opening.
- A two-stage snowblower is similar to a one-stage snowblower in that it has a main housing with a front sub-housing having spaced apart sidewalls and an engine mounted to the main housing. However, a two-stage snowblower uses an auger journalled between the spaced apart sidewalls of the sub-housing to collect the snow to be brought into an opening of the sub-housing. The auger is generally a pair of opposing helical members that in a first stage rotate to force the, snow into the opening of the sub-housing. In the second stage, a fan is located to the rear of the opening. The fan forces the snow up and out of the snow exhaust chute as the fan rotates.
- In the typical operation of a snowblower, a scrapper at the front of the sub-housing opening lifts the snow into the sub-housing where the rotating auger(s) or impeller cuts the snow. However, no matter the type of conventional snowblower used to clear an area, after the snowblower passes over the area, a layer of snow, ice and/or slush will remain. This can be due to the inability of the snowblower to scrape all of the snow, ice and/or slush off the surface of the area because of damage to the opening of the sub-housing. This can also be caused by an irregular/uneven surface in the area being snowblown that results in the front opening of the snowblower riding over the highest point of the irregular/uneven surface and thereby passing over some of the snow, ice and/or slush. No matter the cause of the leftover snow, ice and/or slush, the mere fact that it remains after the snowblower has gone over the area can create a very dangerous situation for people traversing the area, especially if the remaining snow and slush freeze and turn to ice. In order to treat this situation, many people attempt to spread a deicer on the surface of the area using their hand or a manual spreader after they have completed using their snowblower. However, these spreaders may not provide enough deicer to effect a substantially complete clearing of the path. Alternatively, an excessive amount of the deicer may be applied over the area to be treated. Excessive amounts of deicer can cause significant waste of the deicer and structural damage to the surface of the area that will only add to the inability of a snowblower to effectively clean off that area in the future. Additionally, excessive amounts of deicer can be environmentally dangerous and cause injuries to people and animals that use the treated area. As a result, a system for properly applying a predetermined and accurate amount of a treatment material is needed.
- Moreover, modern society places a premium on the time that people have to complete occupational tasks as well as house and yard work. As a result, the additional steps of having to separately retrieve and distribute deicing and/or anti-icing agents is undesirable as it adds to the total time required to complete the snow removal and treat the area from which the snow was removed.
- A need therefore exists in the art for a snow removal device that applies a treatment material to the surface of an area after a snowblower has passed over that surface in order to deice the surface and prevent the formation of future ice and snow on the surface. A need also exists for such a device that eliminates the additional steps of retrieving the deicing and/or anti-icing material and applying it separately from the snow removal operation.
- An aspect of the present invention relates to an improved snow removal machine that includes a surface treatment material application system. This system allows for the application of deicing and/or anti-icing liquids or solids, or the combination of liquids and solids, to surfaces after they have been mechanically cleared with a snow removal machine. After surfaces have been mechanically cleared of snow, there is often a hard layer of snow/ice left behind that the snow removal machine has not removed. The application of a liquid and/or solid deicer will remove this residual snow and ice chemically. The application of a liquid or solid anti-icing agent in combination with a liquid or solid deicer minimizes the adherence of future snow and ice to the surfaces, thereby allowing the snow removal machine to be more effective in its subsequent uses Additionally, aspects of the present invention save time and cost by allowing the deicer and/or anti-icing material to be applied at the same time that snow is being removed from a surface.
- One aspect of the present invention includes a snow removal machine comprising a housing including a forward opening through which snow enters the machine, and an area for receiving the snow that entered through the opening. The machine also includes at least one rotatable member positioned within the snow receiving area for engaging and eliminating the snow within the housing. The machine further includes a surface treatment application system that has a dispenser connected to the housing for dispensing a deicer and/or an anti-icing material.
- Another aspect of the present invention includes a machine for removing snow from a surface. The machine comprises a housing including at least one rotating member for engaging snow received within the housing and throwing the snow from within the housing, The machine also includes a surface treatment material application system associated with the housing for applying a deicer and/or an anti-icing material to a surface to be treated.
- A further aspect of the present invention relates to a device containing a deicer and/or anti-icing material for attachment to a snowblower.
-
FIG. 1 illustrates a snow removal machine according to an aspect of the present invention including a system for dispensing a surface treatment material; -
FIG. 2 is a front perspective view of a snow removal machine according to an aspect of the present invention; -
FIG. 3 and 4 illustrate alternative treatment material application systems according to an aspect of the present invention having different fluid flow control systems; -
FIG. 5 illustrates a snow removal machine according to an aspect of the present invention that is propelled by a vehicle positioned behind a machine housing; -
FIG. 6 illustrates the snow removal machine ofFIG. 5 ; -
FIG. 7 illustrates a treatment material application system having a fluid control system according to embodiments of the present invention; -
FIG. 8 illustrates an alternative embodiment of the snow removal machine including a system for heating treatment materials according to an aspect of the present invention; -
FIG. 9 illustrates an alternative embodiment of the snow removal machine including a system for heating treatment materials according to an aspect of the present invention; -
FIG. 10 illustrates an alternative embodiment of a system for increasing fluid pressure within a treatment material reservoir according to an aspect of the present invention; -
FIG. 11 illustrates a snow removal machine according to the present invention including an alternative system for dispensing a surface treatment material; -
FIG. 12 is a front perspective view of a snow removal machine according to the present invention; -
FIGS. 13 and 14 are schematic illustrations of alternative treatment material application systems according to the present invention; -
FIG. 15 illustrates a snow removal machine according to the present invention that is propelled by a vehicle positioned behind a machine housing; -
FIG. 16 illustrates the snow removal machine ofFIG. 15 ; -
FIG. 17 illustrates a treatment material application system having a motor control system for adjusting a treatment material discharge opening according to embodiments of the present invention; -
FIG. 18 illustrates a snow removal machine according to the present invention including an alternative embodiment of a system for dispensing a surface treatment material; and -
FIG. 19 is a schematic view of the alternative embodiment of the treatment material application system illustrated inFIG. 18 . -
FIG. 1 illustrates amachine 10 according to aspects of the present invention for removing snow from an area. Themachine 10 can include a snowblower. As discussed above, the term “area” can refer to sidewalks and other known pedestrian walkways such as walking paths, stairs, patios and decks, as well as driveways and certain roadways, parking areas and alleyways that can be cleaned after a snowstorm with a machine including at least one rotating auger or impeller. As discussed below, thesnow removal machine 10 operates to remove snow from an area in the same manner as a conventional snowblower that is self propelled or attached to a separately driven vehicle. Thesnow removal machine 10 includes ahousing 20, amotor 40 and anapplication system 100 for delivering surface treatment material to the path. - The snow
removal machine housing 20 is similar in shape and structure to that of a conventional snowblower as illustrated in the Figures. The Figures illustrate various snowblowers for the purpose of illustration. It should be understood that other types of snowblowers or snow removing machines may be used with the present invention. Thehousing 20 includes a front sub-housing 11 having anopening 12 through which the snow to be removed enters the sub-housing 11. As shown inFIG. 2 , theopening 12 extends across the path of travel of themachine 10 and betweenopposed sidewalls conventional rotatable member 16 that contacts and cuts the snow that entersopening 12. Therotatable member 16 also causes the snow to move within the sub-housing 11. In the embodiment shown inFIG. 2 , therotatable member 16 includes at least oneauger 17 having a plurality of blades for contacting, cutting and moving the snow within the sub-housing 11 as is well known. In another embodiment shown inFIG. 1 , therotatable member 16 includes at least oneimpeller 16′ having a plurality of blades or brush members for contacting and moving the snow that enters theopening 12. In either embodiment, therotatable member 16 is secured to and carried by ashaft 18 that has opposite terminal ends rotatably mounted in thesidewalls motor 40 that drives a chain or drive belt connected to at least one sprocket wheel or pulley at the end of the shaft The sub-housing 11 can have any conventional shape that permits snow to enter theopening 12, be manipulated by the rotatingmember 16, and thrown away from the sub-housing 11. - In one embodiment, the
snow removal machine 10 is a two-stage snow removal machine that includes a conventional, articulated snow-ejection tube assembly 22 including asnow exhaust chute 23 rotatably mounted on thehousing 20 in a conventional manner, as shown inFIG. 1 . The snow-ejection tube assembly 22 is aligned above a rotatingfan 19 positioned within the sub-housing 11. As is known, thefan 19 forces the snow received within the sub-housing 11 and manipulated by the rotatingmember 16 out through theexhaust chute 23 so that the snow is thrown away from thesnow removal machine 10. Thesnow exhaust chute 23 can include a pivotingend piece 24 for altering the path along which the snow is thrown by thefan 19. - In another embodiment shown in
FIG. 1 , thesnow removal machine 10 is a one-stage machine that includes a rotatingmember 16′ (an impeller) that gathers the snow that enters the sub-housing 11 through theopening 12 and throws the snow away from thesnow removal machine 10. As known, in a one-stage snow removal machine, theimpeller 16′ is the powered member used for manipulating the snow that enters theopening 12 and throwing the snow out thesnow exhaust chute 23. Theimpeller 16′ may be journalled into thesidewalls motor 40 by a known direct drive mechanism. - In any of the above embodiments, the
snow removal machine 10 may also include a surfacetreatment application system 100 that is mounted on thehousing 20 as shown in the Figures. It should be understood that theapplication system 100 may be mounted to the snow removal machine using various techniques, some of which are depicted by the Figures, or retrofitted to a conventional snow removal machine using various known methods. - In operation, the surface
treatment application system 100 applies at least onesurface treatment material 200 to the area that is to be deiced. Theapplication system 100 applies thetreatment material 200 to the area after thesnow removal machine 10 has passed over the area to prevent ice or snow from forming or reforming on the area. - The
surface treatment materials 200 can be liquid, sprayable powder, granular, or a mixture of two or more substances. In one embodiment, thesurface treatment material 200 may include magnesium chloride as a liquid. Thesurface treatment material 200 can also include that disclosed in U.S. Pat. No. 5,302,307, which is incorporated by reference. Other treatment materials that may be used with the surfacetreatment application system 100 include conventionally distributed liquid deicers and/or anti-icing materials such as that sold by Cargill Salt of Cargill, Inc. under the trade name Hydro-Melt.™ Hydro-Melt™ is a liquid deicer/anti-icing composition with corrosion inhibitors that deice at a lower temperature than rock salt. Hydro-MeIt™ deicer also works as a pre-wetting agent to prevent ice from forming on a surface (anti-icing). Any other liquid deicer and/or anti-icing agent could also be used, such as liquid calcium chloride, liquid salt brine, liquid potassium acetate, liquid potassium formate, or methanol, or combinations of any of the above listed materials. - In another embodiment, the surface treatment material may include a granular treatment material. “Granular” treatment materials may include at least solid particulate materials, sprayable powders, or solid particulate material and liquid mixtures. Referring to
FIG. 11 , thesurface treatment material 700 includes a conventional road treatment salt, such as rock salt. Thetreatment material 700 may also include other conventionally distributed granular deicers and/or anti-icing materials such as that sold by Cargill. Salt of Cargill, Inc. under the trade name CG90® original and the trade name CG90® Surface Saver®. These treatment materials include rock salt mixed with Monosodium Phosphate, alone or with flake Magnesium Chloride in order to provide improved deicing performance with superior protection against corrosion and scaling along the road surface. Other surface treatment materials include prewetted deicers and/or prewetted anti-icers such as that sold by Cargill Salt under the trade name Clear Lane™ treated salt. This prewetted treatment material includes rock salt mixed with molasses and liquid Magnesium Chloride in order to provide corrosion protection to user equipment while reducing the total amount of salt required for a given area. Numerous other granular deicer and/or anti-icing agents may be used as thetreatment material 700. The treatment material applied by thesystem 100 may include any of the above-mentioned deicer/anti-icing liquid or solid materials in combination with another chemical to allow the other chemical to work for an intended purpose at lower temperatures than it normally works. - As shown in
FIGS. 1-3 , in one embodiment, the, surfacetreatment application system 100 includes amaterial dispensing system 110 that applies the surface treatment material to the area from which some snow has been removed. As depicted, thematerial dispensing system 110 can be positioned at the rear of thehousing 20. In a first embodiment, thematerial dispensing system 110 is removably or permanently secured to, the rearvertical wall 117 of thehousing 20, as shown inFIG. 1 , or to one or more of thevertical sidewalls 116. In a second embodiment, the material dispensing′system 110 is removably or permanently secured to thebottom wall 118 of thehousing 20 as shown inFIGS. 2 and 8 . In a third embodiment, thematerial dispensing system 110 is removably or permanently secured to an angled wall that extends between the rearvertical wall 117 and thebottom wall 118. At any of the above-discussed locations, thematerial dispensing system 110 can be mounted to an external surface of its respective wall 117-118 or extend through a respective number of openings in its respective wall. In yet another alternative embodiment, thematerial dispensing system 110 can include multiple sub systems that are positioned at different locations around the housing. For example, one sub-system may be secured on thebottom wall 118 and the other subsystem, could be secured on the rearvertical wall 117. It should be understood that all the embodiments of the material dispensing system can be removably or permanently positioned, mounted, or retrofitted at other locations on thehousing 20 that are behind themouth 12. - As shown in the Figures, the material dispensing system can include one or more members for applying the solid or
liquid treatment material 200 to the area that has been cleared by thesnow removal machine 10. In one embodiment that applies aliquid treatment material 200, thematerial dispensing system 110 may include at least onespray mechanism 140 for the treatment material. In the embodiment shown inFIGS. 5 and 6 , thespray mechanism 140 includes asingle spray nozzle 142, such as a spray jet, that is sized so that its spray zone covers the entire area behind thesnow removal machine 10 but will not spray on thesnow removal machine 10, anyvehicle 90 pushing thesnow removal machine 10, or the feet of the operator. Thenozzle 142 can be any known nozzle that can provide a spray rate of between about 0.1 and 1.0 gallons per minute (gpm). In an illustrative range, the nozzle could provide a spray rate of between about 0.2 0.8 gpm. Suitable nozzles include three orifice nozzles available from Streamjet™ under the product codes SJ3-03-VP or SJ3-08-VP. These nozzles can provide a flow rate of between about 0.24 and 0.35 gpm, or 0.56 and 0.94 gpm, respectively, at about 20 to about 60 psi. Nozzles including more than three orifices, including five orifice nozzles, can also be used. Multiple orifice nozzles permit the nozzles on a single fitting to be rotated until one of the orifices providing a predetermined flow rate at a particular pressure is pointed toward the area to be treated for delivering the treatment material to the area. - The term “spray zone” relates to the size of the surface area that will be covered when a fluid is sprayed from a given nozzle. As understood, the size of the spray zone for the
nozzle 142 will vary with the size of the path taken by thesnow removal machine 10. The size of the spray zone fornozzle 142 and the other spray nozzles discussed herein can be varied by adjusting the size of thespray aperture 149 of the respective nozzle as is known or adjusting the pressure at which thetreatment material 200 is applied by the respective nozzle. An illustrative spray zone includes a region that extends behind thesnow removal machine 10, in front of the operator, and at least substantially between the sidewalls 13, 14 or to a point between about one inch to about twelve inches on either side of thesidewalls - In another embodiment shown in
FIGS. 3 and 4 , thespray mechanism 140 includesmultiple spray nozzles 144, including spray jets, that are secured directly to the interior or exterior of thehousing 20 or secured and spaced along aspray bar 145 that is connected to thehousing 20 at any of the above-discussed locations. These nozzles can include any of the above-discussed nozzles including those providing a flow rate of between about 0.1 gpm and 1.0 gpm. However, other conventional spray nozzles can also be used. Each of thenozzles 144 is spaced from anadjacent nozzle 144 along thehousing 20.Adjacent nozzles 144 are also spaced from each other along thespray bar 145. The spacing betweenadjacent nozzles 144 on either thespray bar 145 or thehousing 20 will vary depending on the spray zone of each nozzle, the area to be treated and/or the size of the path cleaned by thesnow removal machine 10. For example, if fournozzles 144 are spaced along a twenty-four inch wide snow removal machine 10 (between the sidewalls 13, 14), thenozzles 144 could be spaced six inches apart from each other on center, and theoutermost nozzles 144 would be spaced about two inches inward from thesidewalls - As shown in
FIGS. 1-3 , the surface treatment application system′ 100 also includes areservoir 130 that can be positioned at any location on thehousing 20 that allows the containedtreatment material 200 to flow to thematerial dispensing system 110. In one embodiment, thereservoir 130 may be secured to the rearvertical wall 117 of thehousing 20 at a positioned proximate the handles, as shown inFIG. 1 . However, other locations that permit thetreatment material 200 to be delivered to thematerial dispensing system 110 can also be used. - The
reservoir 130 can be sized to have any capacity for holding thetreatment material 200. The capacity of thereservoir 130 can change as the overall size of thesnow removal machine 10 changes. For example, thereservoir 130 for asnow removal machine 10 having an eighteen-inchwide opening 12 could be the same or smaller than the reservoir of asnow removal machine 10 having a twenty-eight inchwide opening 12. In an embodiment, the reservoir can have the capacity to hold from about 1 to 5 gallons of thetreatment material 200. However,reservoirs 130 with larger or smaller volumes could be used depending on the needs of the customer, the size of thesnow removal machine 10, and the area to be treated behind thesnow removal machine 10. Thereservoir 130 can be formed of any known material that can hold thetreatment material 200 without degrading. In an illustrative embodiment, thereservoir 130 may be formed of a plastic or polymer, or other suitable material. - As shown in
FIGS. 8 and 9 , thereservoir 130 can also include asystem 480 for applying heat to the containedtreatment material 200. Theheating system 480 could maintain thetreatment material 200 at a temperature range of approximately 20 to 220 degrees Fahrenheit. However, the temperature range for eachtreatment material 200 may vary depending on the type of treatment material. For example, the temperature range for a methanol based treatment material may be between approximately 20 and 80 degrees Fahrenheit. The temperature achieved by thesystem 480 can also depend on the volatility of the treatment material. - As shown in
FIG. 8 , thereservoir 130 can include aheating member 482 such as a heating coil that can be selectively activated by the operator to maintain thetreatment material 200 at a predetermined temperature. As mentioned above, the temperature can depend on the treatment material being used because some materials may be more volatile than others at higher temperatures. In another embodiment illustrated inFIG. 9 , thesystem 480 for applying heat to the containedtreatment material 200 could include aconduit 486 secured at a first end to anopening 488 in thereservoir 130 and at asecond end 489 over a portion of the exhaust manifold or muffler of themachine 10. In this embodiment, at least a portion of the hot gaseous exhaust from the engine of themachine 10 may be directed into thereservoir 130 in order to maintain the treatment material at a predetermined temperature. Alternatively, theconduit 486 may extend through a recess in the sidewalls of thereservoir 130 and provide heat transfer to thetreatment material 200 within thereservoir 130 through the walls of thereservoir 130. In this embodiment, at least a portion of thereservoir 130 and theconduit 486 may be formed of a material with thermal conductivity. In at least one embodiment, this thermally conductive material could be a metal. Further, the reservoir may be heated electrically or using radio frequency heating. - Alternatively, or in addition to the above-discussed reservoir heating systems, the conduits to the nozzles and/or the nozzles themselves may be heated to prevent clogging and/or to increase the thermal melting ability of the treatment material being applied. Further, the
snow removal machine 10 can include a system for heating the surface from which the machine removes snow. For example, thesnow removal machine 10 could include a radiant heating element or airflow raised to a temperature between about 100 to 300 degrees Fahrenheit to assist in the melting of the snow/ice by preheating the surface of the area over which the treatment material will be applied. Of course temperatures outside this range may also be used. In the heated material examples contained herein, it may be beneficial to actively heat that material to be dispensed (liquid, solid, powder, gel, and the like) above the temperature of the snow and/ice on the ground. This heating of the surface may also improve the deicing and/or anti-icing capability of the treatment material by creating a surface that may readily accept the deicer and/or anti-icing treatment material and increase its activation time. - In any of the above-discussed embodiments, a
fluid flow conduit 150, shown inFIGS. 1 and 3 , such as a tube formed of plastic, polymer or composite materials, extends between thereservoir 130 and the spray nozzle(s) to deliver thetreatment material 200 to the respective nozzle(s). Theflow conduit 150 can be secured at a first end to thereservoir 130 and at a second end to the nozzle(s) orspray bar 145 in any conventional manner. - As shown in
FIG. 3 , thetreatment application system 100 also includes asystem 300 for controlling the amount oftreatment material 200 that is applied to the area being treated. In a first embodiment, thecontrol system 300 may include a one-way check valve 310 that can be electrically or mechanically operated to permit fluid to flow from thereservoir 130 to the nozzle(s) of thematerial dispensing system 110 when thecheck valve 310 is open. Thevalve 310 can be any known one-way check valve including but not limited to a flapper valve or a duck bill valve. Thisvalve 310 can be positioned at any point along theflow conduit 150. In an embodiment, the opening ofvalve 310 can be set so that it automatically opens whenever the drive system of thesnow removal machine 10 is engaged and closed when the drive system is disengaged An override switch that allows the operator to close thevalve 310 while the drive system is engaged could also be included; Additionally or alternatively, thesnow removal machine 10 may include aswitch 318 that permits the operator to manually open thevalve 310 when theswitch 318 is closed and close thevalve 310 when theswitch 318 is opened in order to control the release of thetreatment material 200 from thereservoir 300. Switch 318 can be independent of the operation of the drive system of thesnow removal machine 10. - In another embodiment shown in
FIG. 7 , asensor 325 may be used that determines the condition of the surface over which therear tires 8 of thesnow removal machine 10 are traveling and controls the opening and closing of thevalve 310. For example, thesensor 325 can determine when either of thetires 8 is slipping on the surface over which the sub-housing 11 has just passed and cause thevalve 310 to open in response to sensed slippage. Conventional sensors, such as those used with all-wheel drive vehicles that sense when a wheel is slipping, can be positioned on thesnow removal machine 10 for sensing when atire 8 is not gripping a surface and when thetreatment material 200 may need to be applied. Alternatively, thesensor 325 can be a level sensor that determines when at least one of thetires 8 is raised off the ground as a result of a buildup of snow, slush and/or ice on the surface over which the sub-housing has passed. “Tires,” as used herein, is a generic term that also includes tracks and other ground engaging members used to move a machine over ground. Thelevel sensor 325 can detect when at least one of thetires 8 is deflected at an angle relative to theother tire 8 or thefront opening 12 due to a build-up of snow and/or ice on the area being cleaned The angle that activates thesensor 325 can be a predetermined angle of about five to ten degrees or greater. When the level sensor determines that the predetermined angle has been reached, it will cause thevalve 310 to open and the spray of treatment material to be delivered to the surface via the nozzle(s). - In yet another alternative embodiment, the
machine 10 includes a known logics control system that causes thevalve 310 to open and causes pumps associated with the nozzles to operate and spray thetreatment material 200 at predetermined time intervals. These time intervals can be directly related to the size of the spray zone of each nozzle. For example, the greater the spray zone for each nozzle, the larger the time interval between each spraying. The time intervals between each spraying can be from about 1 second to about 10 seconds. In an embodiment, the time interval between each spraying is between about 2 and 6 seconds. However, as mentioned, the actual time interval will vary depending on the spray zone of each nozzle and the amount of time that each nozzle operates as it is spraying. Alternatively, as discussed, the nozzles could provide a continuous spray while the wheels ortires 8 are moving. - In order to create pressure within the
line 150, asmall pump 370 can be positioned within thereservoir 130, as shown inFIG. 3 . A conventional, fluid submersible pump having a horsepower in the range of about 1/200 HP to about 1/100 HP could be used. These pumps can provide a flow rate of between about 0.3 to 3.0 gpm. Additionally, small pumps can also be positioned within the spray nozzle(s) to increase the pressure and flow rate at which the treatment material is sprayed on the area being treated. Conventional powered spray nozzles that provide the above-discussed flow rates can be used. By controlling the strength of one or more of the pumps, the spray zone of the nozzle(s) and the flow rate of the treatment material can be controlled so as to reduce waste in another embodiment, a known pump (not shown), such as an air pump, could be positioned on the exterior of thereservoir 130. When activated, the air pump would increase the pressure within thereservoir 130 so that the pressure within thereservoir 130 was greater than the resistance ofvalve 310 and theliquid treatment material 200 would be forced through theconduit 150 and to the nozzle(s) under the pressure created by the air pump. - In another embodiment illustrated in
FIG. 10 , fluid pressure within thereservoir 130 can be increased using amanual pump 520 having a manually manipulatedhandle 525 connected to an internally positioneddiaphragm 526. In an embodiment, this pump could be formed as a portion of thereservoir 130. In another embodiment, thepump 520 could be secured to thereservoir 130 by attaching it to cooperating threads or other known locking systems that surround an opening to thereservoir 130, such as a fluid introduction opening. In operation, the operator would reciprocate thehandle 525 and thediaphragm 526 of thepump 520 in order to introduce air into thereservoir 130 and, thereby, increase the air pressure within thereservoir 130. The pumping action continues until a desired amount of fluid pressure is built up within thereservoir 130 to provide a sufficient flow rate of thetreatment material 200. The created pressure within the reservoir and resulting flow rate will cause thetreatment material 200 to flow through thevalve 310 and to the nozzle(s) for being sprayed on the area to be treated. The created pressure could have a magnitude of about 20 psi to about 100 psi in order to cause a flow rate of between about 0.2 and 1.0 gpm. - In additional embodiments, pressure can be increased within the
reservoir 310 and pressure levels established using exhaust from the engine manifold. In this embodiment, the exhaust from the engine manifold would be directed into thereservoir 310 or a bladder 315 (FIG. 4 ) positioned above thereservoir 310 through anopening 316 so that the pressure within thereservoir 310 is increased to a desired level during the operation of the engine. Thereservoir 310 orbladder 315 can include a relief valve that permits the exhaust to exit if the pressure within thereservoir 310 is at or above the level needed to overcome thecheck valve 310 or provide the desired amount of pressure needed to achieve a particular spray zone and flow rate. - In yet a further embodiment, gravity can be used to deliver fluid to the nozzle(s). In this embodiment the above-discussed pumps associated with the nozzle(s) will distribute the fluid at a predetermined flow rate and in a predetermined spray zone. Additionally, the nozzle(s) could be free of a fluid pump. In such an embodiment, gravity would deliver the treatment material from the nozzle(s) to the surface to be treated.
- As shown in
FIGS. 11-19 , alternative embodiments of the surface treatment application system apply a granular surface treatment material to the area from which the snow has been removed. As shown inFIG. 11 , the surfacetreatment application system 600 includes amaterial dispensing system 610 that applies the granularsurface treatment material 700 to the area to be treated. The size of the area over which thetreatment material 700 is supplied will vary with the size of the path taken by thesnow removal machine 10. Referring toFIG. 12 , an illustrative area is that which includes a region that extends behind thesnow removal machine 10, in front of the operator, and at least substantially between the sidewalls 13, 14 or to a point between about one inch to about twelve inches on either side of thesidewalls - As shown in
FIGS. 11 and 12 , thematerial dispensing system 610 can be positioned at the rear of thehousing 20. Similar to the above embodiments, thematerial dispensing system 610 may secured to the rearvertical wall 117 of thehousing 20, or to one or more of thevertical sidewalls 116. Alternatively, thematerial dispensing system 610 is secured within thehousing 20. At any of the above locations, thematerial dispensing system 610 can be removably or permanently secured or retrofitted to thehousing 20. - In an alternative embodiment, the
material dispensing system 610 can include multiple dispensingsystems 610 positioned at different locations around thehousing 20. For example, one sub-system could be secured on a firstrear side edge 119 ofvertical wall 117, and the other sub-system could be secured on the otherrear side edge 119 of thevertical wall 117. It should be apparent that one or more of thematerial dispensing systems 610 may be positioned at any location on thehousing 20 to permit thetreatment material 700 to be broadcasted over the area that has been cleared by thesnow removal machine 10. - The
material dispensing system 610 can include one ormore broadcasting members 640 that spread thetreatment material 700 over the area from which the snow has been removed by thesnow removal machine 10. In one embodiment, thematerial dispensing system 610 includes ahopper 630 with anopen interior 131 for receiving and holding thetreatment material 700. Thematerial dispensing system 610 also includes at least one broadcastingmember 240 operatively associated with thehopper 630 for broadcasting thetreatment material 700 over the area to be treated. - The
hopper 630 can be sized to have any capacity for holding thetreatment material 700. The capacity of thehopper 630 can change as the overall size of thesnow removal machine 10 changes. For example, thehopper 630 for asnow removal machine 10 having an eighteen-inchwide opening 12 could be the same or smaller than thehopper 630 of asnow removal machine 10 having a thirty-two inchwide opening 12. In an embodiment, thehopper 630 can have the capacity to hold from about one pound of thetreatment material 700 to about ten pounds of thetreatment material 700. In an embodiment, thehopper 630 can carry between two and five pounds of thetreatment material 700. However, thehoppers 630 can carry larger or smaller volumes of thetreatment material 700 depending on the needs of the customer, the size of thesnow removal machine 10, and the area to be treated behind thesnow removal machine 10. Thehopper 630 can be formed of any known material that can hold thetreatment material 700 without degrading. For example, thehopper 630 may be formed of a metal, plastic, polymer, or other suitable material. - The
hopper 630 can have any known shape that directs a granular material toward the broadcastingmember 640. Also, thehopper 630 can include multiple sections, each with a different shape. For example, as shown inFIG. 13 , thehopper 630 can include a substantially rectangularupper portion 161 having a pair of substantially verticalupper sidewalls 162. Thehopper 630 can also include a lower, triangular shapedportion 163 having a pair of substantially converginglower sidewalls 164 that form a substantially V-shaped portion of thehopper 630. The lower V-shapedportion 163 of thehopper 630 directs thetreatment material 700 within thehopper 630 toward the apex of the twosidewalls 164 as thetreatment material 700 is dispensed from thehopper 630. In an alternative embodiment illustrated inFIG. 14 , thesidewalls 172 of thehopper 630 converge toward each other from their upper surfaces in order to form a substantially V-shaped receptacle for holding thetreatment material 700. However, as discussed above, thehopper 630 is not limited to only the above-discussed shapes. Rather, the hopper can have any known shape that directs the treatment material toward adischarge opening 166 located at the lowest point of thehopper 630 for delivering thetreatment material 700 to thebroadcasting member 640. - As shown in
FIG. 13 , the broadcastingmember 640 is positioned outside thehopper 630 at a location that is proximate and adjacent to thedischarge opening 166. The broadcastingmember 640 includes arotatable plate 240 with anupper surface 242 and a plurality of spacedribs 244. An axis ofrotation 246 of theplate 240 is vertically oriented so that it extends substantially parallel to the height of thehopper 630. Theplate 240 is aligned with thedischarge opening 166 for receiving anytreatment material 700 that exits thedischarge opening 166. As illustrated inFIGS. 13 and 14 , theribs 244 extend radially away from the center of theplate 240 and vertically away from theupper surface 242 of theplate 240. Also, theribs 244 cooperate with the rotational motion of theplate 240 to spread thetreatment material 700 over a predetermined portion of the area to be treated. - In an alternative embodiment illustrated in
FIG. 19 , the broadcastingmember 640 is positioned at least partially within thehopper 630 proximate and adjacent to an inner surface of thedischarge opening 166. The broadcastingmember 640 may include arotatable cylinder 260 having a plurality ofribs 263 that extend radially outward from the outer surface of thecylinder 260 and along the length of thecylinder 260 in a direction substantially parallel to the longitudinal of axis of thecylinder 260. Eachrib 263 is angularly displaced from anadjacent rib 263 along the circumference of thecylinder 260. The ribs cooperate with the rotation of thecylinder 260 to broadcast the treatment material over a predetermined area. The axis of rotation of thecylinder 260 can extend in a direction between the sidewalls 13, 14 of thesnow removal machine 10 or in a direction extending between the front and back of thesnow removal machine 10. - In either of the above embodiments, the broadcasting
member 640 can be rotated either manually or automatically or both. In a first embodiment, the broadcastingmember 640 is rotated manually as an operator rotates an associated crank. In an alternative embodiment, a powered motor rotates thebroadcasting member 640 automatically at a single predetermined speed or at one of multiple preset speeds. As illustrated inFIGS. 11 and 18 , themotor 147 is a dedicated motor that only operates to rotate thebroadcasting member 640. In such an embodiment, themotor 147 can be set to operate whenever the motor of thesnow removal machine 10 is operating or thesnow removal machine 10 can include a switch for selectively activating and deactivating thededicated motor 147. Themotor 147 may be battery, electric, or gas powered depending on the type of motor used. - Alternatively, a pair or gears or pulleys and cooperating belts can operatively connect the
broadcasting member 640 to an output shaft of themotor 40 of the snow removal machine. As a result, the broadcastingmember 640 will rotate when themotor 40 of thesnow removal machine 10 is operating. A clutch or switch can be included to selectively deactivate and activate the rotation of thebroadcasting member 640. In yet another embodiment, the exhaust from theengine 40 can be passed over a rotatable member, such an impeller, which is operatively connected to thebroadcasting member 640 and causes thebroadcasting member 640 to rotate in response to its own movement. - In any of the above embodiments, the broadcasting
member 640 distributes thetreatment material 700 as it rotates so that thetreatment material 700 covers the area that has been cleaned behind thesnow removal machine 10. The broadcastingmember 640 is not intended to apply thetreatment material 700 on thesnow removal machine 10, any vehicle pushing 90 thesnow removal machine 10, or the feet of the operator. Alternatively, to assist in distributing the deicing and/or anti-icing material, thebroadcast member 640 may direct thetreatment material 700 to a faring on snowblower, where the faring directs the treatment material to the ground. This divertedtreatment material 700 may provide the benefit of preventing the broadcast member 640 (or nozzles in terms of a liquid or gel-type material) from becoming clogged or disabled. The size of the disbursement area for thetreatment material 700 will vary depending on the amount of ice and/or slush that remains on the area after thesnow removal machine 10 passes over it, the amount of desired overlap for thetreatment material 700 between adjacent passes of thesnow removal machine 10, the speed at which thebroadcasting member 640 rotates and/or the size ofdischarge opening 166. - The size of the discharge opening 166 of the
hopper 630 can be adjusted to alter the amount oftreatment material 700 released from thehopper 630. As the size of thedischarge opening 166 is increased, there will be an increase in the amount oftreatment material 700 released from thehopper 630. Similarly, when the size of thedischarge opening 166 is reduced, the amount oftreatment material 700 released will be reduced. Apanel 168 or multiple panels (not shown) can be used to adjust the size of thedischarge opening 166. The panel(s) 168 can be secured to a first end of a cable. The second end of the cable can be secured to a pulley that is manually controlled and rotated as an operator rotates a corresponding dial. Depending on the direction the dial is rotated, the size of thedischarge opening 166 will either be increased or decreased. Alternatively, a logics circuit can be used to alter the size of thedischarge opening 166 in response to data provided by an operator. For example, the position of the panel(s) 168 relative to thedischarge opening 166 can be automatically altered in response to a flow rate entered into a controller for the logics circuit by an operator of thesnow removal machine 10 in order to increase or decrease the size of thedischarge opening 166. - In an embodiment, the opening of
discharge port 166 can be set so that it automatically opens whenever the drive system of thesnow removal machine 10 is engaged and closed when the drive system is disengaged. An override switch that allows the operator to close thedischarge opening 166 while the drive system is engaged could also be included. Similarly, as shown inFIG. 18 , thesnow removal machine 10 can include aswitch 318 that permits the operator to manually open the panel(s) 168 and close the panel(s) 168 when thesnow removal machine 10 is not operating Theswitch 318 may be independent of the operation of the drive system of thesnow removal machine 10. - As shown in
FIG. 17 , and similar toFIG. 7 , asensor 325 may be used that determines the condition of the surface over which therear tires 8 of thesnow removal machine 10 are traveling and controls the opening and closing of the panel(s) 168. As stated above, thesensor 325 can determine when either of thetires 8 are slipping on the surface over which the sub-housing 11 has just passed and cause amotor 327 to operate, which in turn, causes the panel(s) 168 to open in response to sensed slippage. The size of thedischarge opening 166 can be preset by the operator or controlled by thesensor 325 in response to the sensed condition. Similar to the above embodiments, thesensor 325 may be any conventional sensor, including a level sensor, that will serve to control the opening and closing of the panel(s) 168 thereby controlling the amount and rate oftreatment material 700 delivered to thebroadcasting member 640. - As illustrated in
FIG. 17 , thehopper 630 can include arotatable member 180, such as * an auger, that extends within theinterior chamber 131 of thehopper 630 for agitating the carriedtreatment material 700. An outer surface of the rotatingmember 180 can include a plurality ofmembers 182, such as longitudinally extending blades or circular blades, for engaging and agitating the containedtreatment material 700 so that thetreatment material 700 is directed toward thedischarge opening 166. - The
rotatable member 180 can be manually rotated by a crank or automatically rotated when a motor (not shown) linked to themember 180 is activated The motor can be a dedicated motor that is independent of themotor 40 of thesnow removal machine 10. Alternatively, therotatable member 180 can be rotated by a belt, chain or other known drive system operatively attached to an output shaft of themotor 40 of thesnow removal machine 10. As the agitatingmember 180 rotates, it will keep thetreatment material 700 separated and move it in the direction of theopening 166. - The agitating
member 180 can include heating coils for heating the containedtreatment material 700. Alternatively, the agitatingmember 180 can include openings through which warm exhaust from the motor can be introduced into the interior of thehopper 630 in order to warm thetreatment material 700. Further, thetreatment material 700 within thehopper 630 may be heated electrically or using radio frequency heating. In any of the above embodiments, thetreatment material 700 can be maintained at any temperature that will enhance its effectiveness. For example, the treatment material can be kept at a temperature between approximately 20 and 700 degrees Fahrenheit depending on the treatment material contained within thehopper 13. The temperature achieved within thehopper 630 can depend on thespecific treatment material 700 to be applied and the volatility of thattreatment material 700. For example, the temperature range for a morevolatile treatment material 700 may be between approximately 20 and 90 degrees Fahrenheit. Alternatively, some treatment materials may work best if maintained at a temperature at or greater than 90 degrees Fahrenheit. - Further, the
snow removal machine 16 can include a system for heating the surface from which the machine removes snow. For example, thesnow removal machine 10 could include a radiant heating element or airflow raised to a temperature range of approximately 300 to 600 degrees Fahrenheit to assist in the melting of the snow or ice by preheating the surface of the area over which the treatment material will be applied. This heating of the surface may also improve the deicing and/or anti-icing capability of thetreatment material 700 by creating a surface that may readily accept the deicer and/or anti-icing treatment material and increase its activation time. - In yet a further embodiment, the reservoir or canister holding the deicing/anti-icing material, the material distribution system, and control system that controls the material distribution system may also be sold separate from the snowblower. For example, the deicing/anti-icing system may be sold as a retrofit for existing snowblowers. Accordingly, a purchaser may be provided the option of purchasing a snowblower with the deicing/anti-icing system integrated into it and the option of purchasing the deicing/anti-icing system separately and attaching it to a snowblower. For individuals and institutions having already purchased a snowblower, acquiring only the deicing/anti-icing system may be more cost-effective than purchasing the combination of the snowblower and the deicing/anti-icing system.
- While there have been shown and described and pointed out fundamental novel features of the present invention as applied to embodiments thereof, it will be understood that various omissions and substitutions and changes in the form and details of the devices illustrated, and in their operation, may be made by those skilled in the art without departing from the spirit and scope of the invention as broadly disclosed herein. For example, the
treatment material reservoir 130 could also include a conduit that supplies the deicer and/or anti-icing material to thesnow exhaust chute 23 and/or therotatable member 16. In addition, the embodiments of the surface treatment application systems described above may be combined to provide a system that applies a liquid and solid surface treatment material. Moreover, it should be understood by those skilled in the art that the above embodiments may be retrofitted with or adapted to conventionalsnow removal machines 10.
Claims (36)
1-66. (canceled)
67. A snow removal machine, comprising:
a housing including a cavity with a forward opening through which snow enters into the housing interior;
at least one rotatable member positioned within the forward opening of the housing for engaging and discharging the snow from within the housing to an exterior location;
a treatment material dispensing system connected to the housing for dispensing a deicer and/or anti-icing treatment material over an area; and
a motor operatively connected to the rotatable member and the treatment material dispensing system the motor for moving the rotatable member about an axis.
68. The machine of claim 67 wherein said treatment material includes a liquid.
69. The machine of claim 67 wherein said treatment material includes a granular material.
70. The machine of claim 67 wherein said treatment material includes a prewetted granular solid.
71. The machine of claim 67 wherein said treatment material dispensing system is positioned on said housing behind the forward opening for dispensing the treatment material on the area after said forward opening passes over the area.
72. The machine of claim 71 wherein the surface treatment application system includes a reservoir for carrying said treatment material, at least one spray nozzle secured to said housing for applying the treatment material to the area and a conduit extending between said reservoir and said at least one spray nozzle for delivering the treatment material from the reservoir to the at least one spray nozzle.
73. The machine of claim 72 wherein said at least one spray nozzle includes a single nozzle for dispensing the treatment material.
74. The machine of claim 72 wherein said at least one spray nozzle includes a plurality of spray nozzles spaced from each other along a surface of said housing.
75. The machine of claim 72 further comprising a spray bar extending along a length of said housing, said spray bar carrying said nozzles and securing said nozzles to said housing.
76. The machine of claim 72 further including a system for applying heat to said treatment material within said reservoir.
77. The machine of claim 72 further including a control system for controlling the amount of treatment material provided to the area.
78. The machine of claim 72 further including pressure control system for controlling the flow rate of the treatment material provided to the area.
79. The machine of claim 71 wherein the treatment material dispensing system includes a hopper for carrying the treatment material, the hopper includes a discharge opening for distributing the treatment material to the surface.
80. The machine of claim 79 wherein said treatment material includes a granular material.
81. The machine of claim 79 wherein the treatment material dispensing system includes at least one rotatable member for distributing the treatment material to the surface.
82. The machine of claim 81 wherein said at least one rotatable member includes a rotatable plate spaced from said discharge opening for receiving the treatment material that passes through said discharge opening.
83. The machine of claim 82 wherein said rotatable plate includes a plurality of spaced ribs that extend radially from a center of said rotatable plate.
84. The machine of claim 81 further including the motor operatively provided for propelling the snow machine.
85. The machine of claim 79 further comprising an agitator positioned within said hopper for contacting and agitating the treatment material.
86. A motorized machine for removing snow from an area, said machine comprising:
a housing including at least one rotating member for engaging snow received within said housing and a surface treatment system connected to said housing for applying a surface treatment material to the area; and
a motor operatively coupled to the rotating member and the surface treatment system.
87. The machine of claim 86 wherein the treatment material includes a deicing material.
88. The machine of claim 86 wherein the treatment material is an anti-icing material.
89. The machine of claim 86 wherein the treatment material includes a deicing material and an anti-icing material.
90. The machine of claim 86 wherein at least a portion of said treatment material application system is positioned on said housing behind a forward opening of said housing that receives snow during the operation of the machine.
91. The machine of claim 86 wherein the surface treatment application system includes a reservoir for carrying the treatment material, at least one spray nozzle secured to said housing for applying the treatment material to the area and a conduit extending between said reservoir and said at least one spray nozzle for delivering the treatment material from the reservoir to the at least one spray nozzle.
92. The machine of claim 91 wherein said at least one spray nozzle includes a single nozzle for dispensing the treatment material.
93. The machine of claim 91 wherein said at least one spray nozzle includes a plurality of spray nozzles spaced from each other along a surface of said housing.
94. The machine of claim 91 further comprising a control system for controlling the amount of treatment material dispensed to the area.
95. The machine of claim 91 further comprising a pressure control system for controlling the flow rate of the treatment material dispensed to the area.
96. The machine of claim 9.1 further including a system for applying heat to said treatment material within said reservoir.
97. The machine of claim 86 wherein the treatment material application system includes a hopper for carrying the treatment material, the hopper includes an opening for discharging the treatment material.
98. The machine of claim 97 wherein said treatment material includes an anti-icing material.
99. The machine of claim 97 wherein the treatment material includes a deicing material and an anti-icing material.
100. The machine of claim 97 wherein the treatment material application system includes at least one rotatable member for distributing the treatment material.
101. The machine of claim 97 wherein said at least one rotatable member includes a rotatable plate spaced from said opening for receiving the treatment material that passes through said opening.
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US11/595,931 US20070056191A1 (en) | 2003-04-02 | 2006-11-13 | Snow removal machine with system for applying a surface treatment material |
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US8011120B1 (en) * | 2008-06-25 | 2011-09-06 | Hipple Samuel M | Material dispenser |
US8381420B1 (en) * | 2008-06-25 | 2013-02-26 | Samuel M. Hipple | Material dispenser |
US20140088795A1 (en) * | 2012-09-27 | 2014-03-27 | Louis Berkman Company | Software application that allows a user to utilize a mobile device to control frozen precipitation treatment systems |
US9096979B2 (en) * | 2012-09-27 | 2015-08-04 | Louis Berkman Company | Software application that allows a user to utilize a mobile device to control frozen precipitation treatment systems |
US9330367B2 (en) | 2012-09-27 | 2016-05-03 | Swenson Spreader, Llc | Frozen precipitation treatment analysis system |
Also Published As
Publication number | Publication date |
---|---|
DE602004020009D1 (en) | 2009-04-30 |
EP1464759B1 (en) | 2009-03-18 |
CA2461502A1 (en) | 2004-10-02 |
ATE426065T1 (en) | 2009-04-15 |
EP1464759A3 (en) | 2005-08-03 |
EP1464759A2 (en) | 2004-10-06 |
JP2004308418A (en) | 2004-11-04 |
US20040194353A1 (en) | 2004-10-07 |
US7137214B2 (en) | 2006-11-21 |
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Legal Events
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |