EP2754535A3 - Manually held machine tool with a fan - Google Patents

Manually held machine tool with a fan Download PDF

Info

Publication number
EP2754535A3
EP2754535A3 EP13005911.6A EP13005911A EP2754535A3 EP 2754535 A3 EP2754535 A3 EP 2754535A3 EP 13005911 A EP13005911 A EP 13005911A EP 2754535 A3 EP2754535 A3 EP 2754535A3
Authority
EP
European Patent Office
Prior art keywords
tool
motor
fan
hand
machine tool
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.)
Granted
Application number
EP13005911.6A
Other languages
German (de)
French (fr)
Other versions
EP2754535A2 (en
EP2754535B1 (en
Inventor
Bernd Fleischmann
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.)
Festool GmbH
Original Assignee
Festool GmbH
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 Festool GmbH filed Critical Festool GmbH
Publication of EP2754535A2 publication Critical patent/EP2754535A2/en
Publication of EP2754535A3 publication Critical patent/EP2754535A3/en
Application granted granted Critical
Publication of EP2754535B1 publication Critical patent/EP2754535B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/008—Cooling means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Power Tools In General (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

Die Erfindung betrifft eine Hand-Werkzeugmaschine (10; 110; 210), insbesondere Schleifgerät, Trenngerät oder Schrauber, mit einem Werkzeugmotor (12; 112; 212) zum motorischen Antreiben einer zum Halten eines Werkzeugs (14, 214) vorgesehenen Werkzeugaufnahme (13; 213), und mit einem zusammen mit dem Werkzeugmotor (12; 112; 212) in einem Gehäuse (11, 111, 211) der Hand-Werkzeugmaschine (10; 110; 210) angeordneten Lüfterrad (30; 130; 230) einer Lüfteranordnung (50; 150; 250) zur Erzeugung eines Kühlluftstroms (28) zur Kühlung der Hand-Werkzeugmaschine (10; 110; 210), insbesondere des Werkzeugmotors (12; 112; 212). Bei der Hand-Werkzeugmaschine (10; 110; 210) ist vorgesehen, dass sie einen von dem Werkzeugmotor (12; 112; 212) separaten Lüftermotor (31; 131; 231) zum motorischen Antreiben des Lüfterrads (30; 130; 230) aufweist.

Figure imgaf001
The invention relates to a hand-held machine tool (10; 110; 210), in particular grinding device, separating device or screwdriver, with a tool motor (12; 112; 212) for motor-driven tool holder (13; 213), and with a fan wheel (30; 130; 230) of a fan arrangement (30; 130; 230) arranged together with the tool motor (12; 112; 212) in a housing (11, 111, 211) of the hand-held power tool (10; 50; 150; 250) for generating a cooling air flow (28) for cooling the hand-held power tool (10; 110; 210), in particular of the tool motor (12; 112; 212). The hand-held power tool (10; 110; 210) is provided with a fan motor (31; 131; 231) separate from the tool motor (12; 112; 212) for motor-driving the fan wheel (30; 130; 230) ,
Figure imgaf001
EP13005911.6A 2013-01-11 2013-12-18 Manually held machine tool with a fan Not-in-force EP2754535B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013000374.1A DE102013000374A1 (en) 2013-01-11 2013-01-11 Hand machine tool with a fan wheel

Publications (3)

Publication Number Publication Date
EP2754535A2 EP2754535A2 (en) 2014-07-16
EP2754535A3 true EP2754535A3 (en) 2018-02-14
EP2754535B1 EP2754535B1 (en) 2019-10-23

Family

ID=49886578

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13005911.6A Not-in-force EP2754535B1 (en) 2013-01-11 2013-12-18 Manually held machine tool with a fan

Country Status (2)

Country Link
EP (1) EP2754535B1 (en)
DE (1) DE102013000374A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014215361A1 (en) * 2014-08-05 2016-02-11 Robert Bosch Gmbh Tool with controllable cooling device
DE102015104905A1 (en) 2015-03-30 2016-10-06 Festool Gmbh Hand machine tool with a fan assembly
DE102015217058A1 (en) * 2015-09-07 2017-03-09 Robert Bosch Gmbh Hand machine tool device
BR112018076226B1 (en) 2016-06-17 2023-04-25 Atlas Copco Industrial Technique Ab MANUAL POWER TOOL
EP3638456B1 (en) * 2017-05-12 2021-03-31 Petrovic, Janez Dust cleaning device for power tools cooling air cleaning
DE102017209160A1 (en) * 2017-05-31 2018-12-06 Robert Bosch Gmbh Hand machine tool device
DE102017214600A1 (en) * 2017-08-22 2019-02-28 Robert Bosch Gmbh Method for operating a cooling device of a handheld power tool device
DE102019207973A1 (en) * 2019-05-29 2020-12-03 Robert Bosch Gmbh Hand machine tool

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1538974A1 (en) * 1966-04-09 1970-02-19 Siemens Ag Equipment for external ventilation of electrical machines
DE8302564U1 (en) * 1983-01-31 1983-06-09 Kurt Kraus Elektromotoren- u. Apparatebau GmbH, 4933 Blomberg FOREIGN VENTILATED VENTILATED VENTILATED ELECTRIC MOTOR DRIVE
DE3430023A1 (en) * 1984-08-16 1986-02-27 C. & E. Fein Gmbh & Co, 7000 Stuttgart Electrical hand tool having a ventilation device
JPH03277152A (en) * 1990-03-23 1991-12-09 Fuji Electric Co Ltd Forced ventilation type variable speed rotary electric machine
WO1997009157A1 (en) * 1995-09-06 1997-03-13 Ryobi North America, Inc. Exhaust stator for a power tool
EP0794038A2 (en) * 1996-01-08 1997-09-10 Kress-elektrik GmbH + Co. Elektromotorenfabrik Hand tool with cooling arrangement
DE19652751A1 (en) * 1996-12-18 1998-06-25 Bosch Gmbh Robert Hand tool
EP0873824A2 (en) * 1997-04-23 1998-10-28 Matsushita Electric Works, Ltd. Motor-driven hand tool
US20050202310A1 (en) * 2003-10-03 2005-09-15 Yahnker Christopher R. Thermal management systems for battery packs
DE102007012395A1 (en) * 2007-03-15 2008-09-18 Festool Gmbh Hand machine tool with a heat sink
DE102007043916A1 (en) * 2007-09-14 2009-04-02 Robert Bosch Gmbh Electric manual machine tool, particularly percussion drill machine, has air guidance ring that leads to portion of air flow of functional module or air guidance ring section, is arranged at extent of electric motor

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1538974A1 (en) * 1966-04-09 1970-02-19 Siemens Ag Equipment for external ventilation of electrical machines
DE8302564U1 (en) * 1983-01-31 1983-06-09 Kurt Kraus Elektromotoren- u. Apparatebau GmbH, 4933 Blomberg FOREIGN VENTILATED VENTILATED VENTILATED ELECTRIC MOTOR DRIVE
DE3430023A1 (en) * 1984-08-16 1986-02-27 C. & E. Fein Gmbh & Co, 7000 Stuttgart Electrical hand tool having a ventilation device
JPH03277152A (en) * 1990-03-23 1991-12-09 Fuji Electric Co Ltd Forced ventilation type variable speed rotary electric machine
WO1997009157A1 (en) * 1995-09-06 1997-03-13 Ryobi North America, Inc. Exhaust stator for a power tool
EP0794038A2 (en) * 1996-01-08 1997-09-10 Kress-elektrik GmbH + Co. Elektromotorenfabrik Hand tool with cooling arrangement
DE19652751A1 (en) * 1996-12-18 1998-06-25 Bosch Gmbh Robert Hand tool
EP0873824A2 (en) * 1997-04-23 1998-10-28 Matsushita Electric Works, Ltd. Motor-driven hand tool
US20050202310A1 (en) * 2003-10-03 2005-09-15 Yahnker Christopher R. Thermal management systems for battery packs
DE102007012395A1 (en) * 2007-03-15 2008-09-18 Festool Gmbh Hand machine tool with a heat sink
DE102007043916A1 (en) * 2007-09-14 2009-04-02 Robert Bosch Gmbh Electric manual machine tool, particularly percussion drill machine, has air guidance ring that leads to portion of air flow of functional module or air guidance ring section, is arranged at extent of electric motor

Also Published As

Publication number Publication date
EP2754535A2 (en) 2014-07-16
DE102013000374A1 (en) 2014-07-17
EP2754535B1 (en) 2019-10-23

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