CN1636641A - Container and cap assembly for pressure washer - Google Patents

Container and cap assembly for pressure washer Download PDF

Info

Publication number
CN1636641A
CN1636641A CNA2004100769528A CN200410076952A CN1636641A CN 1636641 A CN1636641 A CN 1636641A CN A2004100769528 A CNA2004100769528 A CN A2004100769528A CN 200410076952 A CN200410076952 A CN 200410076952A CN 1636641 A CN1636641 A CN 1636641A
Authority
CN
China
Prior art keywords
container
opening
closure assemblies
chemical agent
cover piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2004100769528A
Other languages
Chinese (zh)
Inventor
R·K·雷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CANBY HUSPHY/SCOTT FISCH Co
Original Assignee
CANBY HUSPHY/SCOTT FISCH Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CANBY HUSPHY/SCOTT FISCH Co filed Critical CANBY HUSPHY/SCOTT FISCH Co
Publication of CN1636641A publication Critical patent/CN1636641A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/12—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means capable of producing different kinds of discharge, e.g. either jet or spray
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
    • B05B7/2408—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle characterised by the container or its attachment means to the spray apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/244—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using carrying liquid for feeding, e.g. by suction, pressure or dissolution, a carried liquid from the container to the nozzle
    • B05B7/2443—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using carrying liquid for feeding, e.g. by suction, pressure or dissolution, a carried liquid from the container to the nozzle the carried liquid and the main stream of carrying liquid being brought together downstream of the container before discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/16—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

A container for use with a pressure washer spray lance includes a hollow member having an opening for housing a chemical and a cap assembly. The cap assembly for the container includes an inner member and an outer member and is configured to allow the use of the container in an inverted or upright position.

Description

The container and the closure assemblies that are used for pressure washer
Technical field
The present invention relates to a kind of pressure washer that all can spray liquid soap under high pressure and the low pressure that is arranged in.This pressure washer comprises spray boom and injector, and the chemical agent container that links to each other with spray boom.This container all can be worked under upright and inverted position.This injector comprises metallic nozzle and plastics aspirator.
Background technology
Pressure washer is to comprise pump, flexible pipe and the device with spray boom of injector.Fluid source such as water link to each other with pump, and fluid is through flexible pipe and be pumped out injector, so that be applied on a certain surface.Often need in the application scenario of pressure washer, use chemical agent such as cleaning agent to come clean surface.Usually the surface of handling with pressure washer may be in bottom or more high-rise in.Adopt pressure washer to come the jet cleaning multi-story structure also unrare as the situation of three layers of house or single layer structure such as floor or porch.
Typical pressure washer can spray liquid soap under low pressure or high pressure.The user adopts low-pressure fuel injection to be sprayed onto the zone that gets at easily usually, and adopts high-pressure injection to be sprayed onto the zone that is difficult to get at, for example the second layer of dwelling house or office building.By existing low pressure liquid soap spraying machine, liquid soap can be sprayed onto the ground floor in house, but can not be sprayed onto higher floor.In order to reach higher floor, pump and liquid soap container are being remained on the ground while, ladder and spray boom must be combined use.By existing high pressure liquid soap spraying machine, liquid soap can be sprayed onto the high level in house, but can not be sprayed onto the low layer place, this is because the high pressure of spraying machine may damage the appearance in house.Only the user fall back on from building enough far away apart from the time could use the high-pressure injection machine, to avoid damaging the appearance of building.
Pressure washer and other spraying machines utilize Venturi effect that chemical agent is drawn in the fluid stream.It is known utilizing Venturi tube that second fluid is incorporated in the first fluid.Second fluid via usually and the aspirator that dwindles section aligned or be positioned at the Venturi tube downstream of Venturi tube enter the mouth and introduce.In operation, second fluid to be introduced is inhaled in the Venturi tube by the aspirator inlet when fluid is flowed through Venturi tube.For given Venturi tube, aspiration rate depends on that fluid flows through the flow rate of Venturi tube inlet and the viscosity of fluid.
Summary of the invention
According to one embodiment of present invention, the container that links to each other with spray boom comprises hollow, and it has at least one opening and at least one and is used for hollow is connected to bindiny mechanism on the spray boom of pressure washer.This hollow is configured to hold chemical agent.
In another embodiment, the container that links to each other with spray boom comprises hollow and closure assemblies.Hollow has at least one opening and at least one and is used for hollow is connected to bindiny mechanism on the spray boom.Hollow is configured to hold chemical agent.Closure assemblies comprises interior cover piece that has first and second openings and the outer cover that has the 3rd opening.Outer cover can be with respect to interior cover piece motion, make the 3rd opening and first register when capping is in first operating position, the 3rd opening and second register when capping is in second operating position, and the 3rd opening and first and second openings all do not line up when capping is in the 3rd off position.
In another embodiment, provide a kind of closure assemblies that is used for container, this container all can use under stand up position and upside down position.Cover piece and outer cover in this closure assemblies comprises.Interior cover piece has first and second openings.Outer cover have the 3rd opening and be positioned at cover piece near.Outer cover can turn at least three operating positions with respect to interior cover piece, make the 3rd opening and first register when capping is in first operating position, the 3rd opening and second register when capping is in second operating position, the 3rd opening and first and second openings all do not line up when capping is in the 3rd off position.
Description of drawings
Fig. 1 is the view according to pressure washer of the present invention;
Fig. 2 is the pump of pressure washer and the partial view of first chemical agent inlet;
Fig. 3 is the partial view of pump, has wherein at length shown first chemical agent inlet;
Fig. 4 is according to the spray boom of the chemical agent container that links to each other with spray boom and the perspective view of injector of being combined with of the present invention;
Fig. 5 is the perspective view of chemical agent container shown in Figure 4;
Fig. 6 is the end-view of chemical agent container shown in Figure 5;
Fig. 7 is the top view according to spray boom of the present invention and injector;
Fig. 8 is the side view of spray boom shown in Figure 6 and injector;
Fig. 9 is the bottom view of spray boom shown in Figure 6 and injector;
Figure 10 is the cutaway view of the housing of injector shown in Figure 6;
Figure 11 is the end-view of cover cap shown in Figure 9;
Figure 12 is the cutaway view of the injector body of injector shown in Figure 6;
Figure 13 is the partial top view of injector shown in Figure 6;
Figure 14 is the partial bottom view of injector shown in Figure 6;
Figure 15 is the cutaway view that is in the injector shown in Figure 6 of high-pressure injection pattern;
Figure 16 is the cutaway view that is in the injector shown in Figure 15 of low-pressure fuel injection pattern;
Figure 17 is the cutaway view of closure according to the invention assembly;
Figure 18 is the bottom perspective view of the outer cover of closure assemblies shown in Figure 17;
Figure 19 is the top perspective of outer cover shown in Figure 180;
Figure 20 is the cutaway view of outer cover shown in Figure 19 20-20 along the line;
Figure 21 is the top perspective of the interior cover piece of closure assemblies shown in Figure 17;
Figure 22 is the bottom perspective view of interior cover piece shown in Figure 21;
Figure 23 is the top view of interior cover piece shown in Figure 21;
Figure 24 is the cutaway view of interior cover piece 24-24 along the line shown in Figure 23;
Figure 25 is mounted in the fragmentary, perspective view of the closure assemblies on the chemical agent container; With
Figure 26 is the decomposition view that is used for the locking mechanism of closure assemblies.
The specific embodiment
Fig. 1 has shown that according to pressure washer 10 of the present invention, Fig. 2-3 has shown some decomposition views of pressure washer 10 shown in Figure 1.Pressure washer 10 comprises the pump 12 that is used for fluid is come out from the pumping of fluid source (not shown).Pump 12 comprises the inlet 14 that is used to accept from the fluid of fluid source, and the outlet 16 that is used for coming with certain pressure pumping fluid.Pump 12 is operated by motor 18, and it can provide power by gas, electric power or other energy.Pump 12 and motor 18 preferably are arranged on supporting construction 20, the handcart shown in for example, so just can easily handle them around the job site.In the outlet 16 of pump 12, connected flexible pipe 22, and on flexible pipe 22, connected spray gun 24, spray boom 26 and injector 28, their be used to gush out fluids that under pressure, is received of self-pumping 12.Spray gun 24 comprises handle 30 and trigger 32, and it is used to open spray boom 26 to accept the fluid of self-pumping 12.Operating personnel can spur trigger 32, so that open the flowing of fluid of self-pumping 12.
Pressure washer 10 is configured to and can in the certain pressure scope from low pressure to the high pressure fluid be sprayed onto outside the injector 28.In a preferred embodiment, pressure washer 10 is configured to and can sprays in about low pressure range of 25 to about 200psi and in about high pressure range of 500 to about 3200psi.
Show best that as Fig. 2 the first chemical agent container 34 is positioned on the handcart 20 and includes conduit 36, it extends to first chemical agent inlet 38 of pump 12 from the first chemical agent container 34, shows best as Fig. 3.The first chemical agent container 34 is preferably made by corrosion resistant plastics, and is used to store chemical agent such as cleaning agent and other chemical substance etc.In one embodiment, the first chemical agent container 34 is made by thermoplastic such as high density polyethylene (HDPE).This container also can use shock resistance, the corrosion-resistant material of other type.The first chemical agent container 34 is used for first chemical agent is incorporated in the fluid.When first chemical agent was introduced in the fluid, fluid arrived in the spray boom 26 through flexible pipe 22 together with first chemical agent, and was sprayed onto on the surface to be cleaned by injector 28.
Pump 12 comprises the Venturi tube (not shown), and it is arranged in fluid line and aligns with first chemical agent inlet 38.Be well known in the art, Venturi tube can be used for second fluid is incorporated in the first fluid.Venturi tube is used near generation vacuum Venturi tube, and this vacuum is used for first chemical agent is drawn into fluid from the first chemical agent container 34.Venturi tube has certain gettering rate usually, and it depends on the flow rate of the fluid of this Venturi tube of flowing through.The venturi design of pump becomes can aspirate first chemical agent in above-mentioned low-pressure fuel injection scope when pump 12 is operated.Therefore, pump 12 is configured to or pumps out fluid from fluid source, perhaps pumps out fluid and combine from the first chemical agent container 34 to pump out first chemical agent from fluid source.
Between the first chemical agent container 34 and first chemical agent inlet 38, can be provided with valve, be used for opening and closing flowing from first chemical agent of container.Therefore, flow in order to allow first chemical agent, operating personnel must open the valve of being located between the first chemical agent container 34 and first chemical agent inlet 38.
Pressure washer 10 has also used the second chemical agent container 44, shown in Fig. 1 and Fig. 4-6.The second chemical agent container 44 is used for spraying second chemical agent, and second chemical agent can be identical or different with first chemical agent.The second chemical agent container 44 is preferably made by corrosion resistant plastics, and is used to store chemical agent such as bleaching agent or cleaning agent and other chemical substance etc.In one embodiment, the second chemical agent container 44 is made by thermoplastic such as high density polyethylene (HDPE).The second chemical agent container 44 also can use shock resistance, the corrosion-resistant material of other type.
The second chemical agent container 44 is preferably elongated tubular hollow container 46, and it at one end has opening 48.The closure assemblies 50 that this opening 48 be will also be seen in greater detail below is sealed.The second chemical agent container 44 is used for when fluid is flowed through injector 28 second chemical agent being incorporated into fluid.When being incorporated into second chemical agent in the fluid, fluid sprays via the outlet 52 of injector 28 together with second chemical agent.
As shown in Figure 4, container 46 comprises bindiny mechanism 54.In the embodiment shown, bindiny mechanism 54 comprises three clips 56, and its side that is arranged in container 46 is arranged in a line.Clip 56 is arranged so that first and second clips 56 towards the 3rd clip 56, and three clips can be buckled on the spray boom 26 together and engage securely with it.As shown in the figure, spray boom 26 is elongated tubulars, and it can be made by steel or other rigid materials.Clip 56 has cross section as shown in Figure 6, makes them can clamp the elongated tubular of spray boom 26 securely.Each clip 56 can have identical cross section, but middle clip is the mirror image of end clip.Perhaps, clip 56 can have different cross sections.As shown in Figure 6, in a preferred embodiment, middle clip has the cross section different with the end clip, so that promote container 46 is connected on the spray boom 26.Clip 56 is configured such that when container 46 was sandwiched on the spray boom 26, container 46 can not move with respect to spray boom 26, and forms one with spray boom 26.When the user moved spray boom 26, container 46 moved with spray boom.
Container 46 can have any required length.As shown in Figure 1, container 46 can have the length littler than the length of spray boom 26, perhaps has the length that surpasses spray bar length as shown in Figure 4.Bindiny mechanism 54 is designed so that container 46 to be taken off from spray boom 26 when needed, or it is put back on the spray boom 26.Perhaps, also can adopt other forms of bindiny mechanism, for example other clip or buckle design or have adopted the design of screw, clamp or bolt, and other design etc.Perhaps, the bindiny mechanism that also can adopt other is connected to other some place on the spray gun 24 with container 46.If necessary, can use the freestanding container (not shown) that rest on the ground, with permission second chemical agent is drawn in the fluid as long as conduit or flexible pipe can extend to the injector 28 from container.The container 46 that is connected on the spray boom 26 is preferred and desirable, and this is because it makes device possess portability, and does not require dilatory around another flexible pipe of user.In a preferred embodiment, container 46 is equipped with 1/2 gallon chemical agent.Also can use the container 46 of other shape and size, the container 46 of shape and size shown in the present invention is not limited to.
If necessary, container 46 can comprise AD tagged 58.In addition, can on container, illustrate 60 by setting operation, use container 46 or closure assemblies 50 to help the operator.
In one embodiment, pressure washer 10 has three kinds of operator schemes.First pattern comprises the low-pressure fuel injection of the fluid that is combined with first chemical agent.Second pattern comprises the high-pressure injection of the fluid of no chemical agent, and three-mode comprises the high-pressure injection of the fluid that is combined with second chemical agent.In a second embodiment, pressure washer has four kinds of operator schemes, and it comprises first, second and three-mode and other four-mode.This four-mode comprises the low-pressure fuel injection of the fluid that does not have first chemical agent.
The injector 28 and the spray boom 26 that are in different azimuth in Fig. 7-16, have been shown.Spray boom 26 in a conventional manner, for example be connected on the injector 28 by screw thread 62.Spray boom 26 utilizes screw thread 63 or other bindiny mechanism known to those of skill in the art at the other end and is connected on the spray gun 24.But injector 28 preferably has the movable exterior part 64 of axially-movable and rotation.Fig. 7 and 13 has shown injector 28 and the top view that can be included in the work mark 66 on the injector 28.In this view, can point out the user to make to flow and change to low pressure from high pressure by mobile exterior part 64 forward or backward.In forward facing position, injector 28 will be introduced the fluid under the low pressure, and in position backward, injector 28 will be introduced the fluid under the high pressure.Fig. 8 has shown the side view of injector 28, and has shown second chemical agent inlet 68 of injector 28.Fig. 9 and 14 has shown the bottom view of injector 28, has wherein shown explanation 66, and how this explanation 66 can indicate by rotation exterior part 64 and change jet mode from the fluid of injector 28.The user can turn clockwise injector 28 producing jet mode like the fan, the user also counterclockwise rotary jet 28 with the generation fluid jet.Enclose the land by less than one and to rotate exterior part 64, just can be provided at fan mode and jet pattern two all places between extremely.As the additional of above-mentioned jet mode or substitute, also can provide the jet mode of other type.
Shown in Figure 10-12 and Figure 15-16, injector 28 comprises exterior part 64 and nozzle 70.Exterior part 64 comprises cover cap 72 and injector body 74.Injector body 74 extends in the cover cap 72, and comprises second chemical agent inlet 68 and Venturi tube 82.Cover cap 72 and injector body 74 are arranged to adjoin each other, and can be with respect to nozzle 70 axially-movables.The axially-movable of exterior part 64 allows the user to change the pressure of the fluid of discharging between low pressure and high pressure from injector 28.Figure 13 has shown the mark 66 that is positioned on cover cap 72 outer surfaces, and it has been represented for obtaining the position that low pressure and high-pressure injection cover cap 72 should be in.Cover cap 72 also can rotate with respect to injector body 74, so that change jet mode.As shown in figure 14, cover cap 72 comprises the mark 66 that is positioned on the outer surface, and it has been represented for jet mode is changed to the position that jet pattern cover cap 72 should be in from fan mode.
Injector body 74 comprises the inner passage 76 that nozzle 70 is positioned at wherein and fluid flows therein.Venturi tube 82 is formed in the inner passage 76.In addition, injector body 74 can comprise spray arm 78.Spray arm can form one with injector body, perhaps forms independent conducting element.Can be provided with in spray arm 78 and spray tumbler 79, its outlet 52 towards injector is longitudinally extended.When cover cap 72 rotations, spray arm 78 or injection tumbler 79 move on the surface that is formed at cover cap 72 inside, spray tumbler 79 deflections so that make, thereby the required jet mode from injector 28 is provided.
Shown in Figure 15 and 16, nozzle 70 is positioned at injector body 74, and comprises inner passage 80 longitudinally, and it aligns with the inner passage 76 of injector body 74.Nozzle 70 is shown as and comprises two parts: nozzle head 73 1) nozzle body 71 and 2).Nozzle head 73 can be screwed in the nozzle body 71, perhaps otherwise is connected on the nozzle body 71.Perhaps, nozzle head 73 can form one with nozzle body 71, makes them form parts.Nozzle head 73 comprises restricted portion, with restriction flowing through nozzle 70.Nozzle 70 also comprises external channel 84, and it extends and pass hole 86 in the inner passage 80 that is located at nozzle 70 round nozzle 70.Hole 86 permission fluids in the nozzle 70 passage 80 internally flow in the external channel 84 of nozzle side and front portion.Fluid flows round nozzle 70, converges with the fluid that flows through inner passage 80 then, thereby arrives in the inner passage 76 of injector body 74.External channel 84 is limited by the axle collar 88, and this axle collar 88 is arranged on also can moving with respect to injector body 74 of nozzle 70 on every side.Between the axle collar 88 and nozzle 70, be provided with O-ring seals 90.O-ring seals 90 is used for being in the first position time sealing external channel 84 backward at the axle collar 88, and allows fluid to flow through external channel 84 when the axle collar 88 is in second forward facing position.
Figure 15 has shown the injector 28 that is in the high-pressure injection position, this moment can only the flow through inner passage 80 and the nozzle head 73 of nozzle 70 of fluid.In this position, the axle collar 88 is arranged so that O-ring seals 90 has sealed external channel 84.Fluid flows out via nozzle head 73, and the Venturi tube 82 in the inner passage 76 that is formed at injector body 74 of flowing through.Fluid is dirty in Venturi tube 82 at certain pressure, its downstream at nozzle 70 has produced vacuum, and allow via second chemical agent inlet 68 suction second chemical agent from the second chemical agent container 44, second chemical agent inlet 68 is arranged in the downstream of the nozzle 70 of injector body 74.
Figure 16 has shown the injector 28 that is in the locations of low pressure, this moment the fluid external channel 84 around inner passage 80 and the nozzle 70 of flowing through simultaneously.In this embodiment, the axle collar 88 is located at forward facing position, so external channel 84 is opened.Fluid enters into the hole 86 of nozzle 70, and flows out around nozzle 70 by external channel 84, till the inner passage 76 of it and injector body 74 is converged.This forward facing position and the injector body 74 of the axle collar 88 are represented locations of low pressure, will can not be introduced in the fluid from the chemical agent of second chemical agent inlet 68, and this is because there is not the required vacuum of suction second chemical agent from the second chemical agent container 44.
Injector 28 preferably includes metal material and the nonmetallic combination that is designed to stop metalwork to be corroded.Nozzle body 71, nozzle head 73 and the axle collar 88 are preferably made by metal material such as brass, and the remainder of injector 28 is preferably made by resistant material such as thermoplastic.A kind of material of preferred type is a polypropylene.Because chemical agent is normally corrosive in essence, therefore can avoid on chemical agent impulse nozzle main body 71 and the nozzle head 73 in hope during the high-pressure injection.For this reason, during high-pressure injection, have only fluid to flow through nozzle 70 from pump 12, this is that therefore first chemical agent can not be introduced in the fluid because the venturi design of pump position is used for low-pressure fuel injection.In the high-pressure injection pattern, second chemical agent is in the downstream of any metalwork, for example the downstream part from the nozzle 70 and the axle collar 88 is introduced into.By contrast, because metalwork is designed to tolerate the fluid under the low pressure and the combination of chemical agent, therefore first chemical agent can be with flow through nozzle 70 and on every side of fluid in low-voltage.By adopting the combination of metalwork and working of plastics, and according to the next diverse location place introducing chemical agent in flow path of expulsion pressure, the present invention just can help to stop the performance of nozzle 70 to descend, and the nozzle life that significantly improves is provided, and the enhanced flexibility that in high pressure and low-pressure fuel injection, all can in fluid, introduce chemical agent.The nozzle 70 and the axle collar 88 also can adopt the metal material of other type.Cover cap 72 and main body 74 also can adopt the plastics of other type.Technical progress makes and might utilize plastics to make the nozzle 70 and the axle collar 88.
Figure 15 and 16 has also shown check-valves 92, and it is positioned at second chemical agent, 68 places that enter the mouth.This check-valves is used for preventing that fluid is back to the second chemical agent container 44 in the operating period of injector 28.In addition, O-ring seals 90 is located between injector body 74 and the cover cap 72 and between the axle collar 88 and the injector body 74, flows along undesirable direction so that prevent fluid.Spray boom 26 preferably utilizes traditional screw thread 62 to be screwed on the nozzle 70 at the porch of injector 28 screw-type, however the bindiny mechanism that also can adopt other types.
Figure 17-26 has shown the closure assemblies 50 of container 46.Closure assemblies 50 is the multiposition selector valves that are used to control from the chemical agent stream of container 46, and comprises interior cover piece 94 and outer cover 96.In outer cover 96 is located at cover piece 94 near, and the opening 48 of interior cover piece 94 and container 46 joins.
Outer cover 96 can be with respect to 94 motions of interior cover piece, so that provide a plurality of operating positions for closure assemblies 50.First operating position is used for upside down position, for example when injector 28 down the time.Second operating position is used for stand up position, for example when injector 28 up the time.The 3rd position is an off position, and closure assemblies 50 is closed when this position, and chemical agent can't flow through closure assemblies 50 from container 44.
Shown in Figure 21-24, interior cover piece 94 comprises bindiny mechanism 98, and it is used for capping is connected to the edge of container 46.In a preferred embodiment, 1/4th circle bayonet mounts that have spring lock structure are provided.On the edge of interior cover piece 94 and container 46, be provided with the bayonet mount screw thread that matches.As shown in figure 26, spring lock structure 100 includes tip (prong) 102 and clamp 104, and tip 102 extends outwardly from interior cover piece 94 1 sides, and clamp 104 is located on the edge of opening 48 of container 46 and stretches out.Tip 102 and clamp 104 are made by plastics, thereby have and allow tip 102 that interior cover piece 94 is locked in elasticity on the container 46, allow the user to apply enough power again simultaneously closure assemblies 50 is taken off from vessel port 48.Also can use other known bindiny mechanisms, for example traditional screw element and other known mechanisms etc.Selected bindiny mechanism preferably can provide watertightness sealing, with the chemical agent discharge of avoiding not wishing taking place from container.For this reason, if necessary, can between the edge of interior cover piece 94 and container 46, adopt seal 51.
In outer cover 96 can be rotatably set on the cover piece 94, and in being fixed on by screw 106 on the cover piece 94, screw 106 in Figure 17, be shown as be in closure assemblies 50 centers near.Outer cover 96 comprises lug 108, and its side from closure assemblies 50 extends outward, and is configured such that the user can rotate outer cover 96 by mobile lug 108.
Shown in Figure 17 and Figure 21-24, interior cover piece 94 comprises first opening 110 and second opening 112.First opening 110 is the holes on the surface of cover piece 94 in extending through, and it uses when being in upside down position.When the user makes injector 28 down, the chemical agent in the container 44 will flow through first opening 110.Second opening 112 also is the hole on the surface of cover piece 94 in extending through, but is provided with flange or the edge 114 that extends internally around second opening 112.This flange 114 is used for fixing one section part of firmly managing the place, opposite end that extends to container 46 in 116, makes and manages in the 116 any chemical agents that are immersed in the container 46.Pipe 116 can extend around flange 114, perhaps can be inserted in the flange to be fixed.In a preferred embodiment, pipe 116 is plastic tubes of 1/4 inch internal diameter.Diameter round the flange 114 of second opening 112 is set as and plastic tube 116 can be firmly fixed.Second opening 112 is used for using when container 46 is in stand up position, the opposite end that pipe 116 preferably extends to container 46, but so that when container 46 is in stand up position the sucking-off chemical agent.In addition, second opening 112 can use when container 46 is horizontal, and this is because have the bottom that certain flexible pipe 116 will sink to container 44.Because the position of container bottom changes according to the orientation of container 44, therefore as long as container 44 is not squeezed, pipe 116 just will be immersed in the chemical agent always.
Preferably be provided with O-ring seals 118 around first opening 110 and second opening 112, they are used for providing sealing between interior cover piece 94 and outer cover 96.In the recess 120 in O-ring seals 118 can be arranged on as illustrated in fig. 17 and be formed on the outer surface of cover piece 94, perhaps can be arranged in the recess (not shown) on the inner surface of outer cover.O-ring seals 118 can be made by elastomeric material such as acrylonitrile-butadiene rubber.Any gap in O-ring seals 118 preferably is cross-placed between cover piece 94 and the outer cover 96 is to provide the operation of the close property of liquid.
Shown in Figure 17-20, outer cover 96 has the 3rd opening 122, and it extends through the surface of outer cover 96.Outer cover 96 comprise round the 3rd opening 122 uprightly and flange outwardly or edge 124.The size of this flange 124 is configured to receive the conduit 126 in second chemical agent inlet 68 that extends to injector 28.Perhaps, conduit can be installed in as illustrated in fig. 25 flange around.In a preferred embodiment, conduit 126 is plastic tubes of 1/4 inch.In addition, first opening 110, second opening 112 and the 3rd opening 122 can have about 1/8 inch diameter, yet this can change according to the application and the size of container 46.
First opening 110, second opening 112 and the 3rd opening 122 are arranged so that the 3rd opening 122 can align with first opening 110 or second opening 112 of interior cover piece 94 when outer cover 96 is rotated with respect to interior cover piece 94.First opening 110 uses in the time of can aliging for inversion with the 3rd opening 122.Second opening 112 can align with the 3rd opening 122 and use when upright.In the closed position, the 3rd opening 122 and first opening 110 and second opening 112 all do not line up.
Container 46 can comprise that form is the mark 60 of operation instruction.For example, mark 60 can align with the position of rotation of outer cover 96, with expression " closing ", " inversion " or " uprightly " operation.
Outer cover 96 can be rotated required angular range to move between three operating positions.For example, Figure 17 has shown an embodiment, and wherein closure assemblies 50 turned 180 ° angular range.In this embodiment, first opening 110 and second opening 112 are set as separates 180 ° angle, and the 3rd closed position is between first and second open positions.As a comparison, Figure 18-25 has shown the closure assemblies 50 of rotatable 90 ° angular range.In Figure 18-25, first opening 110 and second opening 112 are set as separates 90 ° angle, and the 3rd closed position is between first and second open positions.If necessary, also can adopt other angle rotating range.For example, the 3rd closed position needn't be located between first and second open positions.The 3rd closed position can be arranged on outside the angular range of first and second open positions.For example, the 3rd closed position can be in 210 ° the anglec of rotation, or other angle position.
Outer cover 96 can adopt navigation system to remind the angle rotation of user's capping to arrive correct position.Outer cover 96 has the projection 128 that can match with the recess on the interior cover piece 94.When the 3rd opening 122 alignd with first opening 110, projection 128 was alignd with first recess 130, and when the 3rd opening 122 alignd with second opening 112, projection 128 was alignd with second recess 132.When the 3rd opening 122 did not align with first opening 110 or second opening 112 and be in the closed position, projection 128 was alignd with the 3rd recess 136.When the 3rd opening 122 correctly alignd with first opening 110 or second opening 112 or be in the closed position, the combination of projection 128 and recess 130,132,136 just provided tactile data for the user.Shown in Figure 18-20, projection 128 can be limited on the V-notch 134 in the outer cover 96, and it has formed a V-arrangement spring.In a preferred embodiment, projection 128 is dome-shaped.
Interior cover piece 94 also includes leveling boss 138, and it stretches out from the surface of interior cover piece 94 to join with outer cover 96.Leveling boss 138 is arranged to relative with second opening 112 O-ring seals 118 on every side with first opening 110.The leveling boss is used for the O-ring seals 118 on the upper surface of cover piece 94 in extending to is had the opposite effect, and cover piece 94 and outer cover 96 mutual leveling in being used to make.Although recess 130,132,136 and leveling boss 138 be shown as be located on the cover piece 94, and projection 128 is shown as and is located on the outer cover 96, however if necessary, they also can be provided with conversely.
Interior cover piece 94 and outer cover 96 are preferably made by corrosion-resistant material such as thermoplastic.Adoptable a kind of thermoplastic is a polypropylene.
Should be noted that, although the first chemical agent container is shown as the position that pump connects that is in close proximity to that is arranged on the handcart, yet the first chemical agent container can be arranged on the place, arbitrfary point before the nozzle of being on the flow path, if Venturi tube be set as with flow path in first chemical agent inlet adjacent.For example, the nozzle upstream place on first chemical agent inlet can be arranged on the spray boom.First chemical agent inlet can be arranged in the nozzle injector before.The second chemical agent container can be used to provide chemical agent at first chemical agent inlet and the second chemical agent porch.Suitable valve member can be set, so that in low pressure or high pressure mode, distribute chemical agent in the first or second chemical agent porch.Therefore, in this unshowned embodiment, can provide above-mentioned three kinds or four kinds of operator schemes of pressure washer with a chemical agent container.
Although hereinbefore by the agency of various features of the present invention, yet should be appreciated that these features can be individually or use with combining.Therefore, the present invention is not limited in specific embodiment as herein described.
In addition, should be appreciated that those skilled in the art can carry out variations and modifications to the present invention.The embodiment that this paper introduced is an exemplary embodiment of the present invention.Present disclosure can make those skilled in the art make and use the embodiment that includes with corresponding other likes of parts of the present invention.Therefore, desired extent of the present invention comprises that those can be same as or can significantly not be different from the embodiment of the literal term of claims.Therefore, scope of the present invention is limited by claim.

Claims (22)

1. the container on the spray boom that is used to be connected to pressure washer comprises:
Hollow, it has at least one opening and at least one and is used for described hollow is connected to bindiny mechanism on the spray boom, and described hollow is configured to hold chemical agent.
2. container according to claim 1 is characterized in that, described bindiny mechanism is included in three clips that are arranged in a straight line on the side of described hollow, and described clip is arranged to and described hollow can be connected on the spray boom.
3. container according to claim 2 is characterized in that, described three clips all have certain cross section, and comprises two end clips and a middle clip, and described end clip has first cross section, and described middle clip has second cross section.
4. container according to claim 2 is characterized in that described hollow has elongated tubular form, one end sealing and the other end is provided with opening.
5. container according to claim 2 is characterized in that described container also comprises capping, and it is connected on described at least one opening and with help chemical agent is remained in the described hollow.
6. container according to claim 5, it is characterized in that, described capping comprises at least one opening and has three operating positions, first operating position that described at least one opening uses for the inversion of container can be opened, second operating position of described at least one opening can be opened for the upright use of container, and the 3rd operating position that can close described at least one opening.
7. container according to claim 1 is characterized in that the length of described hollow is equal to or less than the length of the spray boom of pressure washer.
8. container according to claim 1 is characterized in that, described at least one bindiny mechanism is configured to described hollow is positioned to be parallel to the spray boom of pressure washer.
9. container that is used to be connected on the spray boom comprises:
Hollow, it has at least one opening and at least one and is used for described hollow is connected to bindiny mechanism on the spray boom, and described hollow is configured to hold chemical agent; With
Closure assemblies, it comprises interior cover piece that has first and second openings and the outer cover that has the 3rd opening, wherein said outer cover can be with respect to cover piece motion in described, make described the 3rd opening and described first register when described capping is in first operating position, described the 3rd opening and described second register when described capping is in second operating position, described the 3rd opening and described first and second openings all do not line up when described capping is in the 3rd off position.
10. container according to claim 9, it is characterized in that, described container also comprises locked component, it is used for described closure assemblies is locked in the opening of described hollow, described locked component comprises that projection that extends out the cover piece and the clamp that is positioned on the described container, described projection are configured to engage with described clamp by the mode of movable locking in described.
11. one kind is used at the equal closure assemblies of spendable container of stand up position and upside down position, described closure assemblies comprises:
Interior cover piece, it has first and second openings; With
Outer cover, its have the 3rd opening and be connected to described in cover piece near, described outer cover can turn in three operating positions with respect to cover piece in described at least, make described the 3rd opening and described first register when described capping is in first operating position, described the 3rd opening and described second register when described capping is in second operating position, described the 3rd opening and described first and second openings all do not line up when described capping is in the 3rd off position.
12. closure assemblies according to claim 11 is characterized in that, described interior cover piece comprises bindiny mechanism, and it is used for described closure assemblies is connected in leak free mode the opening of container.
13. closure assemblies according to claim 11 is characterized in that, described first operating position is used for using for the inversion of container, and described second operating position is used for the upright use for container.
14. closure assemblies according to claim 13 is characterized in that, described closure assemblies also comprises and links to each other with described second opening and extend into conduit in the described container, so that operate in described second operating position.
15. closure assemblies according to claim 13 is characterized in that, be provided with vertical edge around described the 3rd opening, but described vertical edge is configured to holding conduit, fluid can be discharged from described closure assemblies by described conduit.
16. closure assemblies according to claim 11 is characterized in that, described closure assemblies also comprises locked component, and it is used for described closure assemblies is locked onto container.
17. closure assemblies according to claim 16 is characterized in that, described locked component comprises the tip that extends out the sidewall of cover piece in described, and described tip is configured to and can engages with the clamp on the container.
18. closure assemblies according to claim 11 is characterized in that, described interior cover piece is plastics, and described outer cover is plastics.
19. closure assemblies according to claim 11 is characterized in that, is provided with seal between cover piece and the outer cover in the vicinity of described first opening in described, is provided with seal between cover piece and the outer cover in the vicinity of described second opening in described.
20. closure assemblies according to claim 11 is characterized in that, described closure assemblies also comprises navigation system, and it is used for reminding the user when described outer cover is in position in described at least three operating positions.
21. closure assemblies according to claim 20, it is characterized in that, described navigation system comprises an outward extending projection and at least three recesses that are formed in the described interior cover piece from described outer cover, described projection be configured to can be by described exterior part the angle rotation and at every turn with described recess in one engage, each described recess is represented a position in described at least three operating positions.
22. closure assemblies according to claim 11 is characterized in that, described outer cover can be rotated about 90 ° angular range between described three operating positions.
CNA2004100769528A 2003-12-31 2004-08-31 Container and cap assembly for pressure washer Pending CN1636641A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/750,117 US20050155972A1 (en) 2003-12-31 2003-12-31 Container and cap assembly for pressure washer
US10/750117 2003-12-31

Publications (1)

Publication Number Publication Date
CN1636641A true CN1636641A (en) 2005-07-13

Family

ID=34749317

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2004100769528A Pending CN1636641A (en) 2003-12-31 2004-08-31 Container and cap assembly for pressure washer

Country Status (2)

Country Link
US (1) US20050155972A1 (en)
CN (1) CN1636641A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101391240B (en) * 2007-09-10 2013-04-17 创科户外产品技术有限公司 Adjustable nozzle for pressure washer
CN107470232A (en) * 2017-09-07 2017-12-15 常州格力博有限公司 Pressure washer and the method for removing raffinate in pressure wash pump

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2475045A (en) * 2009-11-03 2011-05-11 Innovations 28 Ltd A mixing unit which sucks liquid soap and air into the flowing water
USD749805S1 (en) * 2013-10-08 2016-02-16 Briggs & Stratton Corporation Pressure washer
US20150191301A1 (en) * 2014-01-03 2015-07-09 I-Sin Peng Bucket
EP3827901B1 (en) 2014-09-04 2024-01-03 Octet Medical, Inc. Electrostatic fluid delivery system
US10173230B2 (en) * 2014-09-11 2019-01-08 Mtm Hydro S.R.L. Foam generating device for a high-pressure water gun
USD778011S1 (en) * 2015-03-16 2017-01-31 Fna Group, Inc. Pressure washer
USD841906S1 (en) * 2017-04-13 2019-02-26 Andreas Stihl Ag & Co. Kg High-pressure cleaner
WO2018234852A1 (en) * 2017-06-22 2018-12-27 Comet S.P.A. Automatic restrictor for a conduit
USD838926S1 (en) * 2017-11-28 2019-01-22 Ricardo Delgado Pressure washer
US11110484B2 (en) * 2019-09-12 2021-09-07 Kudachi Business Consultants, LLC Dispensing paintbrush
US11548020B2 (en) * 2021-05-05 2023-01-10 Uniweld Products, Inc. Retaining bracket for applicator rod, fluid spray application system including the same, and method of applying a fluid to a target object
USD974528S1 (en) * 2021-12-28 2023-01-03 Taizhou Xiaojing Trading Co., Ltd. Pressure washer handle
EP4335552A1 (en) * 2022-09-08 2024-03-13 Fairway Electronic Co., Ltd. Foam spray can and quick release structure for foam spray can

Family Cites Families (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE25037E (en) * 1961-09-12 brazier
US2198998A (en) * 1937-11-24 1940-04-30 Orin E Honsberger Mixing and spraying device
US2531650A (en) * 1946-01-23 1950-11-28 Hamilton R Stagner Spraying device
US2724583A (en) * 1953-06-19 1955-11-22 Targosh Ted Hose apparatus with liquid mixing nozzle
US2800313A (en) * 1954-07-16 1957-07-23 Targosh Ted Liquid mixing nozzle of the aspirator type
US2719704A (en) * 1954-12-20 1955-10-04 Leslie V Anderson Chemical mixing nozzle and water shut-off valve
US2789010A (en) * 1955-06-13 1957-04-16 John A Dean Spray head
US3005468A (en) * 1958-08-13 1961-10-24 Hulsey Rotary sleeve valves
US2953160A (en) * 1958-08-20 1960-09-20 Akron Brass Mfg Co Inc Bypass proportioner
US3042314A (en) * 1961-07-24 1962-07-03 Barco Mfg Company Inc Regulatable fluid mixing and spraying device
US3186643A (en) * 1963-03-04 1965-06-01 Mario J Manetti Spray gun having disk, diaphragm and plug construction
US3226039A (en) * 1964-04-02 1965-12-28 Tracy B Tyler Liquid dispersing nozzle
US3282227A (en) * 1964-06-22 1966-11-01 Nielsen Mfg Co Adjustable venturi injector
US3291395A (en) * 1964-11-19 1966-12-13 Internat Patent Res Corp Aspiration spray device
US3349788A (en) * 1964-11-23 1967-10-31 Henco Mfg Co Inc Fluid mixer with valving
US3338173A (en) * 1965-07-21 1967-08-29 Jr Rudolph M Gunzel Variable fluid proportioner
US3447753A (en) * 1967-01-27 1969-06-03 Jet X Corp Spray washer with detergent feed
US3536281A (en) * 1968-01-04 1970-10-27 Illinois Tool Works Bracket structure
US3491948A (en) * 1968-04-08 1970-01-27 Ralph D Alexander High pressure hydraulic apparatus
US3613997A (en) * 1970-05-18 1971-10-19 L & A Products Inc Acid aspirator system
US3776468A (en) * 1972-03-31 1973-12-04 W Davenport Spray mix applicator
US3770205A (en) * 1972-08-24 1973-11-06 Jet X Corp Sprayer with detergent or chemical additive feed
US3863843A (en) * 1973-02-16 1975-02-04 Iv Valentine Hechler Anti-back siphoning water supply valve and mixer
US3855997A (en) * 1973-07-11 1974-12-24 Cinco Medical Health Supply Co Sterile specimen trap
US3940069A (en) * 1974-09-30 1976-02-24 Meiko, Incorporated Spray apparatus
US3920140A (en) * 1974-04-29 1975-11-18 Cecil M Kiser Insulated container
US3964689A (en) * 1975-04-10 1976-06-22 S. C. Johnson & Son, Inc. Hose-end dispenser device
US4091948A (en) * 1976-03-15 1978-05-30 Northup John D Linerless container closure
US4315600A (en) * 1980-01-17 1982-02-16 Chem-Lawn Corporation Spray gun injector
US4333203A (en) * 1980-04-23 1982-06-08 Bissell, Inc. Conversion attachment for a wet-dry vacuum cleaner
US4345704A (en) * 1981-09-02 1982-08-24 Cannondale Corporation Bottle mount and bottle for bicycles
US4527740A (en) * 1982-12-16 1985-07-09 Chevron Research Company Hose-end aspirator sprayer
US4676287A (en) * 1984-03-02 1987-06-30 The Regina Company Inc. Cartridge and docking port for a cleaning device
US4643881A (en) * 1984-12-11 1987-02-17 Olin Corporation Swimming pool chemical dispenser
US4886212A (en) * 1985-03-20 1989-12-12 Turbo Tek Enterprises, Inc. Spraying device having controlled additive fluid feed and a telescoping spray tube assembly
DK155872C (en) * 1985-07-05 1989-10-30 Westergaard Knud E Ind As AUTOMATIC SUCTION TRANSFER VALVE
USD303139S (en) * 1986-08-25 1989-08-29 DeVilbiss Corporation Power washer gun
US4760962A (en) * 1987-10-30 1988-08-02 The Devilbiss Company Spray gun paint cup and lid assembly
GB8812047D0 (en) * 1988-05-21 1988-06-22 Garnett R H Improvements in/relating to chemical concentrate metering
USD316389S (en) * 1988-09-02 1991-04-23 Wood Daniel H Bottle for attachment to a bicycle
US4901923A (en) * 1988-10-11 1990-02-20 Chevron Research Company Variable dilution ratio hose-end aspirator sprayer
US4913345A (en) * 1988-12-14 1990-04-03 Setter Triple S Ltd. High pressure washer/field spot sprayer
WO1991016138A1 (en) * 1990-04-23 1991-10-31 S.C. Johnson & Son, Inc. Precision-ratioed fluid-mixing device and system
US5344074A (en) * 1991-09-25 1994-09-06 Ecolab Inc. Dispensing apparatus having a removable variable proportioning and metering device
US5259557A (en) * 1991-09-25 1993-11-09 Ecolab Inc. Solution proportioner and dispensing system
US5299608A (en) * 1992-03-16 1994-04-05 The Hoover Company Sealed coupling for a fluid container
US5299720A (en) * 1992-08-17 1994-04-05 Koch Iii Henry W Combined handle and friction connector for containers and the like
US5209365A (en) * 1992-09-01 1993-05-11 Devilbiss Air Power Company Paint cup lid assembly
US5520307A (en) * 1993-06-23 1996-05-28 Ronee Miller Dispensing top for pill case
US5449085A (en) * 1994-03-14 1995-09-12 Electra Form, Inc. Recyclable container and rotatable closure of plastics material
US5518022A (en) * 1994-09-06 1996-05-21 Ziehm; Raymond G. Aspirator water circulation apparatus
US5676173A (en) * 1994-11-04 1997-10-14 T I Properties, Inc. In-line venturi
US5626291A (en) * 1994-11-14 1997-05-06 Flinn; Robert A. Cleaning solution spraying system
US5669558A (en) * 1995-07-31 1997-09-23 Ichel; Glenn K. Waterpower pressure washer
US5960887A (en) * 1996-12-16 1999-10-05 Williams Fire & Hazard Control, Inc. By-pass eductor
US5934428A (en) * 1997-08-11 1999-08-10 Eaton Corporation Synchronizer including neutral return and self-energizing disengagement
US5915592A (en) * 1997-10-21 1999-06-29 Ecolab Inc. Method and apparatus for dispensing a use solution
US5913327A (en) * 1997-11-17 1999-06-22 Zhadanov; Eli Device for introducing substances into water
US6092998A (en) * 1998-03-20 2000-07-25 Devilbiss Air Power Company Pump for a pressure washer
US6164496A (en) * 1998-05-20 2000-12-26 Gregory; Jack T. Soap dispensing mechanism
US6182911B1 (en) * 1998-07-02 2001-02-06 Bridgewater Corporation Injection spray system with adjustable metering valve
US6338419B1 (en) * 1999-07-07 2002-01-15 Grace S. Penney Container
US6244518B1 (en) * 1999-10-12 2001-06-12 Thelma F. Pogue Snake repellent system
WO2001085320A2 (en) * 2000-05-08 2001-11-15 Delaware Capital Formation, Inc. Dual material chemical injector for vehicle wash system
IT251790Y1 (en) * 2000-07-20 2004-01-20 Annovi Reverberi Spa HIGH PRESSURE HYDRAULIC CLEANING GROUP WITH POSSIBLE DETERGENT EJECTOR DEVICE
TW479563U (en) * 2001-05-18 2002-03-11 Gordon Chih Straight pipe water jet nozzle switch
US6588681B2 (en) * 2001-07-09 2003-07-08 3M Innovative Properties Company Liquid supply assembly
US6634376B2 (en) * 2001-08-16 2003-10-21 Hydro Systems Company Back flow preventing eductor
US6543705B1 (en) * 2001-11-27 2003-04-08 Chena Liao Mold spray gun structure
US6612476B2 (en) * 2002-01-14 2003-09-02 Illinois Tool Works Inc. Fastener driving tool with modular construction
USD467692S1 (en) * 2002-02-19 2002-12-24 Devilbiss Air Power Company Pressure washer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101391240B (en) * 2007-09-10 2013-04-17 创科户外产品技术有限公司 Adjustable nozzle for pressure washer
CN107470232A (en) * 2017-09-07 2017-12-15 常州格力博有限公司 Pressure washer and the method for removing raffinate in pressure wash pump
CN107470232B (en) * 2017-09-07 2022-05-31 格力博(江苏)股份有限公司 Pressure washer and method for removing residual liquid in pump of pressure washer

Also Published As

Publication number Publication date
US20050155972A1 (en) 2005-07-21

Similar Documents

Publication Publication Date Title
CN100358643C (en) Pressure washer with injector
CN1636641A (en) Container and cap assembly for pressure washer
CN203018246U (en) Coating sprayer
CN106167001A (en) Vehicle-mounted optical pickocff purging system and vehicle-mounted optical pickocff cleaning method
GB2433195A (en) Remotley operated cleaning device, especially suitable for storage tanks and vessels
CN1541312A (en) In-tank water conditioner valve
CN110250142B (en) Sprayer with self-cleaning function
CN1756603A (en) Trigger sprayer spray, off, stream, off indexing nozzle assembly
CN100544661C (en) A kind of solution distribution arrangement that is used for cleaner
KR101912171B1 (en) Air cylinder pump
WO2007063867A1 (en) Paint supply system
CN102834184A (en) Fluid intake assembly for a fluid sprayer
KR20100088473A (en) A vortex type fluid injection nozzle and injection device using the same
CN214906478U (en) Wet type cleaning device
KR101885115B1 (en) Grouting device
KR101259610B1 (en) Air spray device
CN210329100U (en) Sprayer with self-cleaning function
JP6987730B2 (en) Nozzle cover for mounting water jet gun
CN205496134U (en) Cleaning equipment
JP3025213B2 (en) Water supply device
CN207446808U (en) A kind of New gas mixing spray equipment
JP4629515B2 (en) Piston pump
CN109772836A (en) A kind of cask washing equipment
CN1695021A (en) Variable dilution rate dispensing apparatus
CN210873864U (en) Foam gun device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication