Patents by Inventor Florian Esenwein

Florian Esenwein has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electric power tool with an electric motor
    Patent number: 8698362
    Abstract: The invention relates to an electric machine tool, particularly an angle grinder, having an electric motor that can be forcibly cooled by a cooling air flow. The electric motor includes an armature and a field iron package disposed concentrically to the armature which are disposed in a cooling air flow. The invention proposes that the armature and the field iron package be disposed in series in the cooling air flow.
    Type: Grant
    Filed: October 10, 2008
    Date of Patent: April 15, 2014
    Assignee: Robert Bosch GmbH
    Inventors: Florian Esenwein, Peter Wassermann
  • POWER TOOL BRAKE MECHANISM
    Publication number: 20140097048
    Abstract: A power tool brake mechanism, in particular a portable power tool brake mechanism, includes at least one mechanical brake unit that has at least one brake element mounted rotatably about a rotation axis and at least one actuating unit that has at least one movably mounted actuating element. The actuating unit is configured to activate and/or deactivate the brake unit. The power tool brake mechanism further includes at least one movement converting unit that has at least one movement converting element configured to convert a movement of the actuating element into a movement of a counter-brake element of the brake unit. The movement of the counter-brake element is at least in a direction that is different from a direction extending along the rotation axis of the brake element.
    Type: Application
    Filed: March 29, 2012
    Publication date: April 10, 2014
    Applicant: Robert Bosch GmbH
    Inventors: Juergen Wiker, Joachim Schadow, Joerg Maute, Florian Esenwein, Manfred Lutz
  • MACHINE-TOOL BRAKING DEVICE
    Publication number: 20140076678
    Abstract: A machine-tool braking device, particularly a hand-held machine-tool braking device, for a portable machine-tool includes at least one mechanical braking unit that has at least one braking element and at least one output unit that has at least one movably mounted output element. The braking element is formed by an encircling mechanism which at least partially encircles the output element in a state of operation.
    Type: Application
    Filed: March 12, 2012
    Publication date: March 20, 2014
    Applicant: Robert Bosch GmbH
    Inventors: Joachim Schadow, Manfred Lutz, Juergen Wiker, Joerg Maute, Florian Esenwein
  • MACHINE TOOL SWITCHING DEVICE
    Publication number: 20140080388
    Abstract: A machine tool switching device, in particular for portable machine tools, includes at least one switching unit that has at least one movably mounted operating element for actuating a mechanical, electrical, and/or electronic switching element. The machine tool switching device further includes at least one blocking device for blocking at least one movement of the operating element. The blocking device includes at least one movably mounted release element provided to lift the blockage of the operating element. The release element is mounted on the operating element so as to be movable in a translatory manner.
    Type: Application
    Filed: March 15, 2012
    Publication date: March 20, 2014
    Applicant: Robert Bosch GmbH
    Inventors: Manfred Lutz, Achim Trick, Thomas Schomisch, Florian Esenwein
  • MACHINE TOOL BRAKING APPARATUS
    Publication number: 20140069756
    Abstract: A machine tool braking apparatus, in particular a hand-held machine tool braking apparatus, of a portable machine tool, includes at least one mechanical braking unit that has at least one movably mounted braking element and includes at least one output unit that has at least one output element. The braking unit includes at least one actuating element that is intended to move the braking element, at least in one operating state, at least substantially perpendicular to an axis of rotation of the output element.
    Type: Application
    Filed: February 6, 2012
    Publication date: March 13, 2014
    Applicant: Robert Bosch GMBH
    Inventor: Florian Esenwein
  • Power Tool Braking Device
    Publication number: 20140034434
    Abstract: A power tool braking device, in particular a hand-held power tool braking device, of a portable power tool has at least one magnetic field braking unit. The power tool braking device comprises at least one mechanical activation unit.
    Type: Application
    Filed: September 22, 2011
    Publication date: February 6, 2014
    Applicant: Robert Bosch GmbH
    Inventor: Florian Esenwein
  • RUNOFF SAFETY DEVICE
    Publication number: 20130292915
    Abstract: A runoff safety device is configured to prevent runoff of at least one of a chucking element and a tool from a spindle in a braking mode. The runoff safety device has at least one transfer unit and an imbalance compensating unit configured to at least reduce an imbalance of the transfer unit in a mode.
    Type: Application
    Filed: September 21, 2011
    Publication date: November 7, 2013
    Inventor: Florian Esenwein
  • Power Tool Braking Device
    Publication number: 20130284551
    Abstract: A power tool braking device, in particular a portable power tool braking device, for a portable power tool has at least one magnetic field braking unit. The power tool braking device comprises at least one drive unit which has at least one drive element, on which at least one braking element of the magnetic field braking unit is arranged.
    Type: Application
    Filed: September 23, 2011
    Publication date: October 31, 2013
    Applicant: Robert Bosch GmbH
    Inventors: Peter Nadig, Sebastian Laber, Florian Esenwein, Joachim Heizmann
  • Portable Machine Tool
    Publication number: 20130288581
    Abstract: A portable machine tool, in particular a hand machine tool, has at least one spindle for receiving and for driving a processing tool, at least one brake unit for braking the spindle and/or the processing tool at least in a braking mode, and at least one runoff safety unit for preventing the processing tool from running off of the spindle at least in the braking mode.
    Type: Application
    Filed: September 21, 2011
    Publication date: October 31, 2013
    Applicant: Robert Bosch GmbH
    Inventor: Florian Esenwein
  • Guard hood torsion preventer
    Patent number: 8523640
    Abstract: The invention is based on a guard hood torsion preventer for a handheld power tool, in particular for a right-angle power sander. The invention is for preventing torsion of a guard hood on the handheld power tool, in particular in the event of damage to a tool. The guard hood torsion preventer includes at least one torsion-prevention unit which has a longitudinal axis, about which the torsion-prevention unit is rotatably supported.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: September 3, 2013
    Assignee: Robert Bosch GmbH
    Inventor: Florian Esenwein
  • HAND-OPERATED MACHINE TOOL DEVICE
    Publication number: 20130220657
    Abstract: A hand-operated machine tool device, in particular for an angle grinder, includes a housing region and at least one operating element. The housing region is at least substantially rod-shaped and is configured to be used as a main gripping element. The at least one operating element extends in the housing region in a main extension direction of the housing region. The hand-operated machine tool device also has a least one mounting which supports at least one operating face of the at least one operating element such that the at least one operating element is configured to pivot about at least one axis aligned at least substantially parallel to the main extension direction.
    Type: Application
    Filed: July 28, 2011
    Publication date: August 29, 2013
    Applicant: Robert Bosch GmbH
    Inventors: Florian Esenwein, Manfred Lutz, Achim Trick, Thomas Schomisch
  • Shaft Bearing Device for a Hand-Held Power Tool
    Publication number: 20130205604
    Abstract: A shaft bearing device for a hand-held power tool, in particular for an angle grinder and/or a circular saw, includes at least one first support unit and at least one second support unit which are intended to axially and/or radially support a bearing element of a shaft. At least one of the at least two support units is formed at least partially by a plate element that has at least one axial and/or radial bend.
    Type: Application
    Filed: June 6, 2011
    Publication date: August 15, 2013
    Applicant: Robert Bosch GmbH
    Inventors: Florian Esenwein, Thomas Schomisch
  • Hand power tool with brush motor
    Patent number: 8487503
    Abstract: A hand power tool with an oblong motor housing, particularly used as a handle, houses an electric collector motor. The brushes of the motor are housed in a brush holder with a brush shaft in a spring loaded way. Furthermore, the brush holder is solely/individually fixed in the motor housing, to which an axis intersection is associated, particularly a longitudinal, a vertical, and a transversal axis. According to the invention, the hand power tool is arranged in the motor housing in a space-saving manner with the shaft of the brush holder arranged opposite the vertical axis of the motor housing at an angle of approximately 20° in a laterally displaced way, particularly radially, relative to the longitudinal axis.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: July 16, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Florian Esenwein, Manfred Lutz, Thomas Schomisch
  • Handheld power tool
    Patent number: 8454412
    Abstract: The invention is based on a handheld power tool, in particular a right-angle sander (10), having a gearbox (12), a flange neck (14) with a guard device (20), which device is receivable on the flange neck (14) and forms a receptacle region for a tool (18) and is rotatable in the circumferential direction (22), and having at least one detent device (24) for locking a rotary position of the guard device (20). It is proposed that the detent device (24) is at least partially integrated with the flange neck (14) of the gearbox (12).
    Type: Grant
    Filed: September 22, 2008
    Date of Patent: June 4, 2013
    Assignee: Robert Bosch GmbH
    Inventor: Florian Esenwein
  • Machine tool with an active electrical generator for power generation
    Patent number: 8405258
    Abstract: A machine tool with a generator for generating electrical power is disclosed. The generator has a stator with a coil and a rotor with a magnet. The rotor is capable of moving relative to the stator. An air gap is formed between the rotor and the stator. The stator and the rotor comprise a material with a relative permeability greater than the relative permeability of air and are arranged in such a way that magnetic lines of force of the magnet are guided in a targeted manner with respect to the coil. The air gap between the stator and the rotor is configured in such a way that a large proportion of the lines of force emanating from the magnet are guided by the stator and the rotor.
    Type: Grant
    Filed: February 21, 2011
    Date of Patent: March 26, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Ludwig Schoen, Florian Esenwein
  • Machine Tool having a Drive Motor
    Publication number: 20130033846
    Abstract: A machine tool having a drive motor includes an electronic unit and a switch for switching the drive motor on/off. An additional contact module is connected to the electronic unit, the drive motor being electrically connected only to the contact module. Also, the switch is connected to the contact module.
    Type: Application
    Filed: November 22, 2010
    Publication date: February 7, 2013
    Applicant: Robert Bosch GmbH
    Inventors: Ralf Allner, Thilo Koeder, Florian Esenwein, Manfred Lutz, Achim Trick
  • Hand-Held Power Tool Having Elastomer Elements for Supporting Components in the Housing
    Publication number: 20120305278
    Abstract: A hand-held power tool is provided which includes a drive unit in a housing, a switch device, and elastomer elements. The drive unit is configured to be switched on and off with the switch device which comprises a switch accommodated inside the housing. The elastomer elements are molded onto the outside of the housing and onto the inside of the housing and are connected to each other via an opening in a wall of the housing. An elastomer element on the inside of the housing forms an elastomer bearing configured to support the switch.
    Type: Application
    Filed: December 13, 2010
    Publication date: December 6, 2012
    Applicant: ROBERT BOSCH GMBH
    Inventor: Florian Esenwein
  • Power Tool, Particularly a Hand Power Tool, the Housing Parts Thereof Being Connected By Means of Form-Fitting Elements
    Publication number: 20120186844
    Abstract: A power tool, particularly a hand power tool, has a motor housing and a housing cover, in which a brush cover can be removably inserted. Corresponding form-fitting elements are arranged on the motor housing and on the housing cover, said elements being connected to each other in a form-fitting manner in the assembled position. The brush cover is held on the housing cover and/or on the motor housing in a form-fitting manner.
    Type: Application
    Filed: April 16, 2010
    Publication date: July 26, 2012
    Applicant: Robert Bosch GmbH
    Inventors: Joerg Maute, Florian Esenwein, Peter Stierle, Thomas Schomisch
  • Machine Tool Having a Protective Cover
    Publication number: 20120190280
    Abstract: A machine tool having a protective hood is disclosed. The machine tool has a protective cover which has a clamping joint that can be attached in a flange on the machine with a clamping device. The machine tool also includes a stop device which is configured to limit the relative rotary motion between the protective cover and the flange.
    Type: Application
    Filed: June 10, 2010
    Publication date: July 26, 2012
    Applicant: ROBERT BOSCH GMBH
    Inventor: Florian Esenwein
  • Hand-Held Power Tool with a Drive Motor and a Gear Mechanism
    Publication number: 20120187782
    Abstract: A hand-held power tool with a drive motor and a gear mechanism has elastomer elements moulded onto the inner side of the housing. At least two elastomer elements form elastomer bearings for bearing the drive motor.
    Type: Application
    Filed: July 19, 2010
    Publication date: July 26, 2012
    Applicant: Robert Bosch GmbH
    Inventor: Florian Esenwein