WO2002036275A1 - Hochdruckreinigungsgerät - Google Patents
Hochdruckreinigungsgerät Download PDFInfo
- Publication number
- WO2002036275A1 WO2002036275A1 PCT/EP2001/012205 EP0112205W WO0236275A1 WO 2002036275 A1 WO2002036275 A1 WO 2002036275A1 EP 0112205 W EP0112205 W EP 0112205W WO 0236275 A1 WO0236275 A1 WO 0236275A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- box
- housing
- electric motor
- cleaning device
- pressure cleaning
- Prior art date
Links
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
-
- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
-
- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
- F04B49/022—Stopping, starting, unloading or idling control by means of pressure
-
- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/10—Other safety measures
- F04B49/106—Responsive to pumped volume
-
- 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
- F04B2205/00—Fluid parameters
- F04B2205/04—Pressure in the outlet chamber
-
- 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
- F04B2205/00—Fluid parameters
- F04B2205/09—Flow through the pump
Definitions
- the invention relates to a high-pressure cleaning device with an electric motor and a pump for conveying a cleaning liquid, with a piston which can be displaced by the cleaning liquid as a function of its pressure or its flow rate, and with an electrical switch which can be actuated by the piston when it is displaced , With electrical lines arranged in the box from the power source and to the windings of the electric motor and with devices attached to the box for fastening the box to the housing of the electric motor and / or pump.
- Such a high-pressure cleaning device is known from DE 4404924.
- the object and the aim of the invention are to design a high-pressure cleaning device of the type described in the introduction, that a simpler and faster assembly is possible, which also offers the possibility of automating the assembly processes in question.
- a high-pressure cleaning device of the type mentioned at the outset in that the switch is arranged in the box in that the walls of the box have openings for the electrical lines in which outward-pointing contacts are arranged, at least one opening being designed as a multiple plug connection is that the box is fastened to the housing with a plug connection and that the multiple plug connections are arranged on the box in such a way that when the box is fastened to the housing of the motor and / or pump, at least one mating connector which is suitably fastened to the housing is inevitably connected.
- the counter-connection is molded onto the housing of the electric motor and / or pump. In this way, an additional part for this counter connection can be saved.
- a particularly advantageous arrangement is obtained if the counter-connection is fastened to the end shield of the electric motor on the output side, because this enables the box to be arranged in the vicinity of the pump housing.
- a particularly simple construction of the high-pressure cleaning device according to the invention is obtained if the mating connector or connectors which are suitably fastened to the housing of the electric motor and / or pump and the corresponding plug devices on the box are also designed for fastening the box to the housing of the pump and / or motor. In this case, it is no longer necessary to provide further plug devices for fastening the box.
- the at least one mating connector fastened appropriately to the housing contains the electrical connecting lines for winding the electric motor, then further operations for bringing together individual plug contacts can be omitted.
- a particularly advantageous embodiment results if a thermal switch is integrated in the box and contains a bimetal through which the winding current flows. In this case, it is no longer necessary to provide the electric motor to be assembled with a thermal protection switch before assembly, and the steps required for connecting the electrical lines to and in the box can be combined with the assembly of the thermal switch. It is particularly advantageous if the bimetal is arranged in the housing of the switch.
- the switch can in particular be a microswitch.
- the box has openings with outward-pointing contacts for attaching a capacitor.
- the electrical lines are designed as stamped sheet metal parts within the box and are made in one piece with the contacts pointing outwards.
- the box additionally has an opening for a manually operated switching device for the switch.
- a particularly simple assembly results if the multiple plug connection on the housing is designed as a plug receptacle.
- Figure 1 a schematic section of a motor pump unit of a high-pressure cleaning device with the box attached to the housing of the electric motor and pump.
- FIG. 1 shows a partial section through a high-pressure cleaning device with an electric motor 1, which has a pump 2 for conveying a Drives cleaning fluid. It is an axial piston pump, the pump piston 3 of which is moved by a swash plate 4.
- the swash plate 4 is fixed on the shaft 5 of the electric motor 1 and is rotated by the shaft 5.
- the cleaning liquid flowing through the high-pressure outlet 6 of the pump 2 to an output unit (not shown) for the cleaning liquid acts on the piston 7, which is thereby displaced in its longitudinal direction.
- the piston 7 acts via an actuating element 8 on the microswitch 10 arranged in a box 9 and actuates this microswitch 10 as a function of the pressure of the cleaning liquid.
- the piston is a differential pressure piston, which is connected through the bores 11 to the high-pressure outlet of the pump.
- electrical lines 12 are arranged, which are designed as stamped sheet metal parts. Openings 13, 14, 15 for the electrical lines are provided in the walls of the box 9. In these openings 13, 14, 15 outwardly facing contacts are provided, which are designed as multiple plug connections 16.
- the output-side bearing plate 17 of the electric motor 1 is designed as a receptacle for the swash plate 4.
- An opening 22 is formed on the output-side bearing plate 17, the edges of which serve to hold the box 9.
- a plug is formed on the box 9 at the appropriate point.
- a multiple plug-in connection 18 is inserted into the opening 22 on the output-side end shield 17 of the electric motor 1, from which lines for winding the Lead electric motor.
- the box 9 is attached to the multiple plug connection 18 and the housing-side part of the plug connection 22 during assembly and fastened during the subsequent assembly of the pump housing 19.
- the box is held by an additional nose formed on the pump housing 19, which engages in a corresponding opening in the box wall. This results in a particularly secure attachment of the box to the housing without the need for additional screw connections or similar, more complex attachment devices.
- a capacitor 20 is also plugged onto the box via a multiple plug contact 15.
- the box 9 additionally has an opening 21 for a manually operated switching device 22 for the switch 10.
- the electric motor 1 is switched on and off as a function of pressure or flow speed via the piston 7 or by manual actuation.
- the arrangement is advantageously chosen so that the manual operation when switching off simultaneously prevents the action of the piston 7 on the switch 10, so that the high-pressure cleaning device switched off by the manual operation can no longer be switched on by accidental pressure build-up or accidental opening of the spray gun.
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002539075A JP2004512935A (ja) | 2000-10-26 | 2001-10-23 | 高圧洗浄装置 |
DK01992617T DK1328356T3 (da) | 2000-10-26 | 2001-10-23 | Højtryksrengøringsindretning |
BRPI0114869-9A BR0114869B1 (pt) | 2000-10-26 | 2001-10-23 | equipamento de limpeza de alta pressão. |
AT01992617T ATE259260T1 (de) | 2000-10-26 | 2001-10-23 | Hochdruckreinigungsgerät |
AU2002221725A AU2002221725A1 (en) | 2000-10-26 | 2001-10-23 | High-pressure cleaning device |
EP01992617A EP1328356B1 (de) | 2000-10-26 | 2001-10-23 | Hochdruckreinigungsgerät |
DE50101486T DE50101486D1 (de) | 2000-10-26 | 2001-10-23 | Hochdruckreinigungsgerät |
US10/422,646 US6866483B2 (en) | 2000-10-26 | 2003-04-24 | High-pressure cleaning device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10053248.9 | 2000-10-26 | ||
DE10053248A DE10053248A1 (de) | 2000-10-26 | 2000-10-26 | Hochdruckreinigungsgerät |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/422,646 Continuation US6866483B2 (en) | 2000-10-26 | 2003-04-24 | High-pressure cleaning device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002036275A1 true WO2002036275A1 (de) | 2002-05-10 |
Family
ID=7661222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2001/012205 WO2002036275A1 (de) | 2000-10-26 | 2001-10-23 | Hochdruckreinigungsgerät |
Country Status (10)
Country | Link |
---|---|
US (1) | US6866483B2 (de) |
EP (1) | EP1328356B1 (de) |
JP (1) | JP2004512935A (de) |
CN (1) | CN1212899C (de) |
AT (1) | ATE259260T1 (de) |
AU (1) | AU2002221725A1 (de) |
BR (1) | BR0114869B1 (de) |
DE (2) | DE10053248A1 (de) |
DK (1) | DK1328356T3 (de) |
WO (1) | WO2002036275A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080162829A1 (en) * | 2007-01-03 | 2008-07-03 | Freescale Semiconductor, Inc. | Selective guarded memory access on a per-instruction basis |
DE102008019524A1 (de) * | 2008-04-09 | 2009-10-15 | Alfred Kärcher Gmbh & Co. Kg | Hochdruckreinigungsgerät |
DE102009049096A1 (de) * | 2009-10-01 | 2011-04-07 | Alfred Kärcher Gmbh & Co. Kg | Pumpe für ein Hochdruckreinigungsgerät |
DE102009049094A1 (de) * | 2009-10-01 | 2011-04-07 | Alfred Kärcher Gmbh & Co. Kg | Pumpe für ein Hochdruckreinigungsgerät |
DE102009049095A1 (de) * | 2009-10-01 | 2011-04-07 | Alfred Kärcher Gmbh & Co. Kg | Pumpe für ein Hochdruckreinigungsgerät |
CN104701040B (zh) * | 2013-12-06 | 2016-08-31 | 苏州金莱克精密机械有限公司 | 一种具有开关盒结构的清洗机 |
CN212508678U (zh) | 2015-11-20 | 2021-02-09 | 苏州宝时得电动工具有限公司 | 手持式高压清洗机 |
CN106314824A (zh) * | 2016-09-12 | 2017-01-11 | 中国人民解放军海军航空工程学院青岛校区 | 一种多功能飞机清洗设备 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4675479A (en) * | 1986-04-21 | 1987-06-23 | Wallin Kenneth M | Safety switch assemblage |
DE4404924C1 (de) * | 1994-02-16 | 1994-11-24 | Kaercher Gmbh & Co Alfred | Hochdruckreinigungsgerät |
DE29517915U1 (de) * | 1995-11-11 | 1997-03-13 | Ivt Hannelore Blank | Installationssystem |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19527854C1 (de) * | 1995-07-29 | 1996-07-18 | Kaercher Gmbh & Co Alfred | Hochdruckreinigungsgerät |
DE19914581A1 (de) * | 1999-03-31 | 2000-10-12 | Grundfos A S Bjerringbro | Kreiselpumpenaggregat |
DE50015708D1 (de) * | 1999-10-25 | 2009-09-17 | Continental Teves Ag & Co Ohg | Motor-Pumpen-Aggregat |
-
2000
- 2000-10-26 DE DE10053248A patent/DE10053248A1/de not_active Withdrawn
-
2001
- 2001-10-23 EP EP01992617A patent/EP1328356B1/de not_active Expired - Lifetime
- 2001-10-23 JP JP2002539075A patent/JP2004512935A/ja active Pending
- 2001-10-23 DE DE50101486T patent/DE50101486D1/de not_active Expired - Lifetime
- 2001-10-23 BR BRPI0114869-9A patent/BR0114869B1/pt not_active IP Right Cessation
- 2001-10-23 AU AU2002221725A patent/AU2002221725A1/en not_active Abandoned
- 2001-10-23 DK DK01992617T patent/DK1328356T3/da active
- 2001-10-23 AT AT01992617T patent/ATE259260T1/de not_active IP Right Cessation
- 2001-10-23 WO PCT/EP2001/012205 patent/WO2002036275A1/de active IP Right Grant
- 2001-10-23 CN CNB018180566A patent/CN1212899C/zh not_active Expired - Fee Related
-
2003
- 2003-04-24 US US10/422,646 patent/US6866483B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4675479A (en) * | 1986-04-21 | 1987-06-23 | Wallin Kenneth M | Safety switch assemblage |
DE4404924C1 (de) * | 1994-02-16 | 1994-11-24 | Kaercher Gmbh & Co Alfred | Hochdruckreinigungsgerät |
DE29517915U1 (de) * | 1995-11-11 | 1997-03-13 | Ivt Hannelore Blank | Installationssystem |
Also Published As
Publication number | Publication date |
---|---|
EP1328356B1 (de) | 2004-02-11 |
AU2002221725A1 (en) | 2002-05-15 |
JP2004512935A (ja) | 2004-04-30 |
BR0114869A (pt) | 2004-02-17 |
CN1212899C (zh) | 2005-08-03 |
DE50101486D1 (de) | 2004-03-18 |
US20040022639A1 (en) | 2004-02-05 |
DE10053248A1 (de) | 2002-05-08 |
CN1471442A (zh) | 2004-01-28 |
EP1328356A1 (de) | 2003-07-23 |
ATE259260T1 (de) | 2004-02-15 |
US6866483B2 (en) | 2005-03-15 |
BR0114869B1 (pt) | 2010-06-01 |
DK1328356T3 (da) | 2004-03-08 |
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