EP0312862A2 - Dispositif de nettoyage à haute pression - Google Patents
Dispositif de nettoyage à haute pression Download PDFInfo
- Publication number
- EP0312862A2 EP0312862A2 EP88116715A EP88116715A EP0312862A2 EP 0312862 A2 EP0312862 A2 EP 0312862A2 EP 88116715 A EP88116715 A EP 88116715A EP 88116715 A EP88116715 A EP 88116715A EP 0312862 A2 EP0312862 A2 EP 0312862A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure
- cleaning device
- sealing
- pressure cleaning
- housing
- 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.)
- Withdrawn
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
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
- B05B9/0413—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material with reciprocating pumps, e.g. membrane pump, piston pump, bellow pump
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
- B05B9/0426—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material with a pump attached to the spray gun or discharge device
-
- 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
- B08B3/028—Spray guns
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B1/2014—Details or component parts
- F04B1/2064—Housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/06—Mobile combinations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/01—Spray pistols, discharge devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
- B08B2203/0223—Electric motor pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
- B08B2203/027—Pump details
Definitions
- the invention relates to a high-pressure cleaning device, consisting of a pressure-generating unit with a spray gun.
- Such high-pressure cleaning devices are known, namely in a movable and also in a portable design.
- Piston pumps in particular axial piston pumps or in-line piston pumps, are used to generate the pressure.
- the main disadvantage is that these known devices are cumbersome to handle, in which the actual printing unit is arranged in a chassis or support frame, to which the spray gun is then connected.
- These known devices are particularly difficult to handle even when they are to be operated at different locations. The range of action is restricted due to the necessary connection of the devices to a high pressure hose.
- the known devices are expensive and a number of connections have to be made so that the devices are functional.
- the invention has for its object to design a device of the known type so that it as a simple hand-held device with the water pipe and, if necessary, connected to the power grid, is ready for use.
- the pressure unit consisting of a multi-axial piston pump and an electric motor, is included in the head of the spray gun and the pump housing is connected to the pistol grip.
- the pump has a fixed swash plate which is associated with a driven disc provided with axial pistons, the pistons being guided on the inclined surface of the swash plate and that between the driven disc and the housing with the suction and pressure connection Sealing disc is arranged.
- a further advantageous embodiment provides that the pistons on the sealing disk are connected to their pressure and suction sides with circularly arranged slots.
- the swash plate is rotatably arranged on the housing and connected to the drive shaft by means of a ball joint, and that the piston is arranged on further ball joints on the swash plate.
- a retaining washer rests on the sealing washer, with a plurality of pressure bolts in the area of the annular channel on the pressure side arranged in the sealing washer and dan the retaining washer are supported.
- the self-adjusting sealing washer is spherical on its outer circumference.
- an overpressure valve be arranged between the pressure side and the suction side.
- the invention has the advantage that the device is easy to use, and the radius of action can be extended almost as desired without a substantial reduction in performance.
- the low weight of the device is also favorable for handling.
- the compact design of the device is also favored by the special design of the pump.
- the embodiment of the invention also has the advantage that large amounts of water can be dispensed at high pressure. This design also makes it possible to dispense with suction and pressure valves, which means that the design can be significantly reduced.
- the pump according to the invention can also be used for higher outputs for other purposes, ie as an independent pump that is independent of a hand-held device.
- FIG. 1 shows such a spray gun, the pump housing 2 being arranged on the handle 1, to which a motor 3 is also attached.
- a valve housing 4 with a spray tube 5 and a spray nozzle 6 is also attached to the pump housing 2.
- a water hose 7 is connected to the valve housing 4, the electrical connection 8 for the motor 3 also being provided at a suitable point.
- FIGS. 2 and 3 show the special embodiment of the axial piston pump used, with a fixed swash plate 10 being attached to the motor 3 is flanged.
- the pump shaft 11 is mounted on this disk 10, and the pump housing 2 is also flanged to this disk 10.
- a driven disk 12 is connected to the shaft 11, in which a plurality of pistons 13, in the exemplary embodiment shown there are four pistons 13, are displaceably guided.
- the head 14 of the pistons 13 lies against the inclined surface 15 of the disk 10.
- the pressure is applied with the aid of springs 16.
- a sliding disk 17 is fastened in a sealed manner to the driven disk 12 and bears against a sealing disk 18 attached to the pump housing 2.
- the sealing disk 18 connects the cylinders of the pistons 13 to the suction channel 19 or the pressure channel 20.
- a pressure relief valve 21 is located between the two channels.
- the spray tube 5 is connected to the pressure channel 20 and the water hose 7 to the suction channel 19.
- the shaft 11 for the motor 3 is driven via
- Circular slots 23 and 24 are arranged in the sealing disk 18. These slots ensure that the cylinders of the pistons 13 are connected to the outlet 20 during their pushing movement and to the port 19 during their suction movement.
- the pump shaft 11 is guided through the driven disk 12 and connected at a ball joint 25 to the swash plate 10, which is mounted on the housing 2.
- the ends of the pump pistons 13 are arranged on further ball joints 26 on the circumference of the swash plate 10.
- a holding washer 27 is arranged on the outside of the sealing washer 18, the sealing washer 18 pressing the sealing washer 18 against the sliding washer 17.
- compression springs 28 are provided in the area of the ring channel 23 belonging to the suction channel 19 and are pressed by the housing 2 against the holding disc 27.
- individual pressure pins 29 are arranged so as to be axially displaceable, these pressure pins 29 abutting on the retaining disk 27. Due to the pressure applied to the pressure pin 29, the sealing washer 18 is pressed against the sliding washer 17.
- a tube 30 is arranged in the retaining disk for sealing the pressure channel 20 leading to the outside, which tube is sealed both in the sealing disk 18 and in the housing 2.
- the sealing disk 18 has a spherical surface 31 on its outer circumference, so that a self-adjusting setting on the sliding disk 17 is ensured.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
- Nozzles (AREA)
- Cleaning By Liquid Or Steam (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8713954U DE8713954U1 (fr) | 1987-10-17 | 1987-10-17 | |
DE8713954U | 1987-10-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0312862A2 true EP0312862A2 (fr) | 1989-04-26 |
EP0312862A3 EP0312862A3 (fr) | 1990-05-16 |
Family
ID=6813203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88116715A Withdrawn EP0312862A3 (fr) | 1987-10-17 | 1988-10-08 | Dispositif de nettoyage à haute pression |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0312862A3 (fr) |
JP (1) | JPH01148356A (fr) |
DE (1) | DE8713954U1 (fr) |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0443399A2 (fr) * | 1990-02-22 | 1991-08-28 | Franca Bertolini | Nettoyeur à jet pour la main |
US5071069A (en) * | 1989-09-23 | 1991-12-10 | Black & Decker Inc. | Hand-held high-pressure cleaner |
EP0464229A1 (fr) * | 1990-06-20 | 1992-01-08 | Alfred Kärcher GmbH & Co. | Appareil portatif de nettoyage à haute pression |
EP0468081A1 (fr) * | 1990-07-27 | 1992-01-29 | Alfred Kärcher GmbH & Co. | Pistolet de pulvérisation pour le nettoyage à haute pression |
EP0468082A1 (fr) * | 1990-07-27 | 1992-01-29 | Alfred Kärcher GmbH & Co. | Pistolet de pulvérisation pour le nettoyage à haute pression |
GB2247161A (en) * | 1990-08-22 | 1992-02-26 | Shaun Waddingham | Electrical trigger control of water jet |
EP0476450A1 (fr) * | 1990-09-19 | 1992-03-25 | Elektra Beckum Aktiengesellschaft | Pompe à pistons axiaux, particulièrement pour nettoyeur haute pression à eau |
DE4039926A1 (de) * | 1990-09-19 | 1992-04-09 | Elektra Beckum Lubitz & Co | Axialkolbenpumpe, insbesondere fuer wasser-hochdruckreiniger |
US5148992A (en) * | 1991-03-19 | 1992-09-22 | Textron Inc. | Washing accessory for a string trimmer |
EP0521520A1 (fr) * | 1991-07-04 | 1993-01-07 | Josef Kränzle | Dispositif de nettoyage à haute pression |
US7854398B2 (en) | 2005-10-26 | 2010-12-21 | Techtronic Outdoor Products Technology Limited | Hand held pressure washer |
US8425203B2 (en) | 2008-04-25 | 2013-04-23 | Techtronic Outdoor Products Technology Limited | Portable pressure washer system |
US8444068B2 (en) | 2005-10-26 | 2013-05-21 | Techtronic Outdoor Products Technology Limited | Dual flow pressure washer |
EP2865451A1 (fr) * | 2008-10-22 | 2015-04-29 | Graco Minnesota Inc. | Pulvérisateur sans air portable |
CN104564576A (zh) * | 2015-01-15 | 2015-04-29 | 浙江沃尔液压科技有限公司 | 水润滑的高压柱塞泵及手持式高压喷射装置 |
US9545643B2 (en) | 2008-10-22 | 2017-01-17 | Graco Minnesota Inc. | Portable airless sprayer |
US10926275B1 (en) | 2020-06-25 | 2021-02-23 | Graco Minnesota Inc. | Electrostatic handheld sprayer |
US10968899B2 (en) | 2015-11-20 | 2021-04-06 | Positec Power Tools (Suzhou) Co., Ltd. | Pump unit and handheld high pressure washer |
US10968903B1 (en) | 2020-06-04 | 2021-04-06 | Graco Minnesota Inc. | Handheld sanitary fluid sprayer having resilient polymer pump cylinder |
US11007545B2 (en) | 2017-01-15 | 2021-05-18 | Graco Minnesota Inc. | Handheld airless paint sprayer repair |
US11707753B2 (en) | 2019-05-31 | 2023-07-25 | Graco Minnesota Inc. | Handheld fluid sprayer |
US11986850B2 (en) | 2018-04-10 | 2024-05-21 | Graco Minnesota Inc. | Handheld airless sprayer for paints and other coatings |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4106955A1 (de) * | 1991-03-05 | 1992-09-10 | Kaercher Gmbh & Co Alfred | Hochdruckreinigungsgeraet |
DE4439209C2 (de) | 1994-11-03 | 1996-05-02 | Eberhard Dipl Ing Weber | Hochruck-Reinigungspistole mit integriertem Kolbenaggregat |
DE102008019524A1 (de) * | 2008-04-09 | 2009-10-15 | Alfred Kärcher Gmbh & Co. Kg | Hochdruckreinigungsgerät |
CN102421533B (zh) * | 2009-05-07 | 2015-12-16 | 格瑞克明尼苏达有限公司 | 用于流体泵送机构的摆动组件 |
WO2011062992A1 (fr) | 2009-11-17 | 2011-05-26 | Black & Decker Inc. | Mécanisme à libération rapide pour pistolet à peinture |
US8740111B2 (en) | 2009-11-17 | 2014-06-03 | Black & Decker Inc. | Paint sprayer |
US9180472B2 (en) | 2009-11-17 | 2015-11-10 | Black & Decker Inc. | Paint sprayer |
US8413911B2 (en) | 2009-11-17 | 2013-04-09 | Black & Decker Inc. | Paint sprayer |
US8550376B2 (en) | 2009-11-17 | 2013-10-08 | Black & Decker Inc. | Paint sprayer |
US8651402B2 (en) | 2009-11-17 | 2014-02-18 | Black & Decker Inc. | Adjustable nozzle tip for paint sprayer |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE593597C (de) * | 1931-01-28 | 1934-09-10 | Viktor Jereczek | Fluessigkeitspumpe |
US2195929A (en) * | 1937-01-25 | 1940-04-02 | Bosch Gmbh Robert | Hand spraying implement |
US3208397A (en) * | 1963-06-19 | 1965-09-28 | Lehrer Alexander | Quiet hydraulic pump |
FR1573048A (fr) * | 1968-02-26 | 1969-07-04 | ||
CH513335A (de) * | 1970-01-10 | 1971-09-30 | Bosch Gmbh Robert | Axialkolbenmaschine |
FR2338397A1 (fr) * | 1976-01-13 | 1977-08-12 | Thoma Jean | Perfectionnements relatifs a des pompes et moteurs hydrauliques rotatifs a pistons axiaux |
DE3248622A1 (de) * | 1982-12-30 | 1984-07-12 | Alfred Kärcher GmbH & Co, 7057 Winnenden | Hochdruckreinigungsgeraet |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2013639A (en) * | 1932-04-07 | 1935-09-03 | Bosch Robert | Apparatus for spraying liquids such as paints, varnishes, or the like |
US2540357A (en) * | 1946-03-18 | 1951-02-06 | Stanley William | Spray gun |
AT202407B (de) * | 1957-08-02 | 1959-03-10 | Vertriebs Ges Ing Wagner | Hochdruckpistole für Fett und Öl |
DE6904669U (de) * | 1969-02-07 | 1969-07-24 | Josef Wagner | Foerderaggregat fuer farbspritzanlagen |
DE2433841A1 (de) * | 1974-07-15 | 1976-02-05 | Kovats Peter J Dipl Volksw | Gleichstrom- und/oder druckluft-antriebssystem fuer tragbare hand-hochdruckspritzpistolen des airless-prinzips mit regulierbarer druckleistung |
GB1576075A (en) * | 1976-04-12 | 1980-10-01 | Union Carbide Australia | Portable sprying device |
DE7616673U1 (de) * | 1976-05-25 | 1976-09-16 | Wella Ac | Motorantrieb fuer Spruehpumpen |
-
1987
- 1987-10-17 DE DE8713954U patent/DE8713954U1/de not_active Expired
-
1988
- 1988-10-08 EP EP88116715A patent/EP0312862A3/fr not_active Withdrawn
- 1988-10-17 JP JP63259617A patent/JPH01148356A/ja active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE593597C (de) * | 1931-01-28 | 1934-09-10 | Viktor Jereczek | Fluessigkeitspumpe |
US2195929A (en) * | 1937-01-25 | 1940-04-02 | Bosch Gmbh Robert | Hand spraying implement |
US3208397A (en) * | 1963-06-19 | 1965-09-28 | Lehrer Alexander | Quiet hydraulic pump |
FR1573048A (fr) * | 1968-02-26 | 1969-07-04 | ||
CH513335A (de) * | 1970-01-10 | 1971-09-30 | Bosch Gmbh Robert | Axialkolbenmaschine |
FR2338397A1 (fr) * | 1976-01-13 | 1977-08-12 | Thoma Jean | Perfectionnements relatifs a des pompes et moteurs hydrauliques rotatifs a pistons axiaux |
DE3248622A1 (de) * | 1982-12-30 | 1984-07-12 | Alfred Kärcher GmbH & Co, 7057 Winnenden | Hochdruckreinigungsgeraet |
Cited By (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5071069A (en) * | 1989-09-23 | 1991-12-10 | Black & Decker Inc. | Hand-held high-pressure cleaner |
EP0443399A3 (en) * | 1990-02-22 | 1992-09-02 | Franca Bertolini | Hand-held jet washer |
EP0443399A2 (fr) * | 1990-02-22 | 1991-08-28 | Franca Bertolini | Nettoyeur à jet pour la main |
EP0464229A1 (fr) * | 1990-06-20 | 1992-01-08 | Alfred Kärcher GmbH & Co. | Appareil portatif de nettoyage à haute pression |
EP0468081A1 (fr) * | 1990-07-27 | 1992-01-29 | Alfred Kärcher GmbH & Co. | Pistolet de pulvérisation pour le nettoyage à haute pression |
EP0468082A1 (fr) * | 1990-07-27 | 1992-01-29 | Alfred Kärcher GmbH & Co. | Pistolet de pulvérisation pour le nettoyage à haute pression |
GB2247161A (en) * | 1990-08-22 | 1992-02-26 | Shaun Waddingham | Electrical trigger control of water jet |
EP0476450A1 (fr) * | 1990-09-19 | 1992-03-25 | Elektra Beckum Aktiengesellschaft | Pompe à pistons axiaux, particulièrement pour nettoyeur haute pression à eau |
DE4039926A1 (de) * | 1990-09-19 | 1992-04-09 | Elektra Beckum Lubitz & Co | Axialkolbenpumpe, insbesondere fuer wasser-hochdruckreiniger |
US5148992A (en) * | 1991-03-19 | 1992-09-22 | Textron Inc. | Washing accessory for a string trimmer |
EP0521520A1 (fr) * | 1991-07-04 | 1993-01-07 | Josef Kränzle | Dispositif de nettoyage à haute pression |
DE4122191A1 (de) * | 1991-07-04 | 1993-01-07 | Josef Kraenzle | Hochdruckreiniger |
US7854398B2 (en) | 2005-10-26 | 2010-12-21 | Techtronic Outdoor Products Technology Limited | Hand held pressure washer |
US8444068B2 (en) | 2005-10-26 | 2013-05-21 | Techtronic Outdoor Products Technology Limited | Dual flow pressure washer |
US8425203B2 (en) | 2008-04-25 | 2013-04-23 | Techtronic Outdoor Products Technology Limited | Portable pressure washer system |
US9545643B2 (en) | 2008-10-22 | 2017-01-17 | Graco Minnesota Inc. | Portable airless sprayer |
US9914141B2 (en) | 2008-10-22 | 2018-03-13 | Graco Minnesota, Inc. | Portable airless sprayer |
US9517479B2 (en) | 2008-10-22 | 2016-12-13 | Graco Minnesota Inc. | Portable airless sprayer |
EP2865451A1 (fr) * | 2008-10-22 | 2015-04-29 | Graco Minnesota Inc. | Pulvérisateur sans air portable |
US9604234B2 (en) | 2008-10-22 | 2017-03-28 | Graco Minnesota Inc. | Portable airless sprayer |
US9604235B2 (en) | 2008-10-22 | 2017-03-28 | Graco Minnesota Inc. | Portable airless sprayer |
US11446689B2 (en) | 2008-10-22 | 2022-09-20 | Graco Minnesota Inc. | Portable airless sprayer |
US11446690B2 (en) | 2008-10-22 | 2022-09-20 | Graco Minnesota Inc. | Portable airless sprayer |
US10919060B2 (en) | 2008-10-22 | 2021-02-16 | Graco Minnesota Inc. | Portable airless sprayer |
US11779945B2 (en) | 2008-10-22 | 2023-10-10 | Graco Minnesota Inc. | Portable airless sprayer |
US11759808B1 (en) | 2008-10-22 | 2023-09-19 | Graco Minnesota Inc. | Portable airless sprayer |
US11623234B2 (en) | 2008-10-22 | 2023-04-11 | Graco Minnesota Inc. | Portable airless sprayer |
CN104564576A (zh) * | 2015-01-15 | 2015-04-29 | 浙江沃尔液压科技有限公司 | 水润滑的高压柱塞泵及手持式高压喷射装置 |
CN104564576B (zh) * | 2015-01-15 | 2017-10-20 | 沃尔科技有限公司 | 水润滑的高压柱塞泵及手持式高压喷射装置 |
USRE49589E1 (en) | 2015-11-20 | 2023-07-25 | Positec Power Tools (Suzhou) Co., Ltd | Pump unit and handheld high pressure washer |
US10968899B2 (en) | 2015-11-20 | 2021-04-06 | Positec Power Tools (Suzhou) Co., Ltd. | Pump unit and handheld high pressure washer |
US11007545B2 (en) | 2017-01-15 | 2021-05-18 | Graco Minnesota Inc. | Handheld airless paint sprayer repair |
US11986850B2 (en) | 2018-04-10 | 2024-05-21 | Graco Minnesota Inc. | Handheld airless sprayer for paints and other coatings |
US11707753B2 (en) | 2019-05-31 | 2023-07-25 | Graco Minnesota Inc. | Handheld fluid sprayer |
US10968903B1 (en) | 2020-06-04 | 2021-04-06 | Graco Minnesota Inc. | Handheld sanitary fluid sprayer having resilient polymer pump cylinder |
US11738358B2 (en) | 2020-06-25 | 2023-08-29 | Graco Minnesota Inc. | Electrostatic handheld sprayer |
US10926275B1 (en) | 2020-06-25 | 2021-02-23 | Graco Minnesota Inc. | Electrostatic handheld sprayer |
Also Published As
Publication number | Publication date |
---|---|
JPH01148356A (ja) | 1989-06-09 |
DE8713954U1 (fr) | 1987-12-03 |
EP0312862A3 (fr) | 1990-05-16 |
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