Patents Assigned to Rowenta-Werke GmbH
  • Patent number: 10385503
    Abstract: An iron includes a soleplate, a heating body including a lower face in thermal contact with the soleplate and an upper face at which a vaporization chamber is provided, and a system for injecting water into the chamber including two injection openings that simultaneously inject water onto two separate evaporation areas of a bottom wall of the chamber when the soleplate is arranged horizontally. The chamber is bordered laterally by a side wall extending from the bottom wall to a closing cover attached to the heating body, the side wall including a passage establishing communication between the chamber and a steam distribution circuit leading to a steam outlet opening provided in the soleplate. The passage is provided at one longitudinal end of the chamber. The chamber includes a separation wall extending from the two evaporation areas to the passage to provide a partition between the two evaporation areas.
    Type: Grant
    Filed: October 10, 2016
    Date of Patent: August 20, 2019
    Assignee: ROWENTA WERKE GMBH
    Inventors: Andrea Lukas, Bjorn Scheve, Dierk Spatz
  • Patent number: 10358764
    Abstract: Steam iron comprising a heating body (3) comprising a steam chamber (32) and an ironing surface (52) connected thermally to the heating body (3), the ironing surface (52) being designed to come into contact with the fabric to be ironed, and being advantageously provided with steam release holes (50), the heat produced by the heating body (3) being transferred to the ironing surface (52) by conduction through at least two components (3, 4) of the iron, pressed together, characterized in that the two components (3, 4) are in direct contact with one another at at least one point of contact (40A) with a contact surface area of less than 2 mm2 and preferably less than 1 mm2.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: July 23, 2019
    Assignee: Rowenta Werke GmbH
    Inventors: Andrea Lukas, Bjorn Scheve, Dierk Spatz
  • Patent number: 9267230
    Abstract: Manual pump for a household appliance such as an iron, with an activation button that moves between a resting position, to which it is returned by a return mechanism, and a depressed position, into which it is moved by pressing the button to produce a pumping effect, characterized in that said pump has a stopping mechanism exerting a force against the movement of the button toward the depressed position when said button is in the resting position, said stopping mechanism being adjusted so that the force necessary to move the button into the depressed position is greater when the button is in the resting position than when it is not in said resting position.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: February 23, 2016
    Assignee: ROWENTA WERKE GmbH
    Inventor: Matthias Hahn
  • Patent number: 8522462
    Abstract: Piezoelectric pump for a household electric appliance having a moving wall interposed between a first casing element defining a pumping chamber with the moving wall, and a second casing element applying pressure to the periphery of the moving wall in order to hold the latter in position. The moving wall has an exterior face in contact with a piezoelectric actuator designed to cause the moving wall to move so as to bring about a periodic variation in the volume of the pumping chamber under the action of the piezoelectric actuator wherein the first casing element and the second casing element are held together under stress by an elastic clip, the elastic clip applying a pressure that tends to compress the first casing element onto the second casing element.
    Type: Grant
    Filed: November 30, 2009
    Date of Patent: September 3, 2013
    Assignee: Rowenta Werke GmbH
    Inventors: Andrea Lukas, Björn Scheve, Matthias Hahn
  • Patent number: 8510909
    Abstract: Electrical household appliance comprising a base (1) for the generation of steam, having a liquid tank (6) mounted removably on a receiving socket (10) and having a steam generator located outside of said tank (6), the steam generator being supplied by gravity by a supply line from the tank (6) and having a steam outlet through which the steam can escape towards a work tool, such as a crease-removing brush, said supply line comprising an inlet orifice located on the receiving socket (10), and said tank (6) comprising a closed enclosure (61) having only one outlet orifice (52) which connects the said inlet orifice when the tank is placed on the receiving socket (10), which appliance is characterized in that said tank (6) connects leaktightly onto said receiving socket (10) and in that said appliance has a vent line admitting air to the outlet orifice (52) of the tank, said vent line having one end connected to the exterior which is higher than the outlet orifice (52) of the tank.
    Type: Grant
    Filed: March 16, 2009
    Date of Patent: August 20, 2013
    Assignee: Rowenta Werke GmbH
    Inventors: Dierk Spatz, Martin Krebs, Matthias Hahn
  • Patent number: 8484869
    Abstract: Provided is an ironing appliance, including a pump that has a pumping chamber provided with an inlet and an outlet, the pumping chamber including a moveable wall having an outer surface contacting a piezoelectric actuator provided to move the movable wall while changing the volume of the pumping chamber by the piezoelectric actuator, wherein the pump is placed in the ironing appliance such that the outlet of the pumping chamber is located at a higher level than the inlet in a normal position for operating the appliance.
    Type: Grant
    Filed: November 30, 2009
    Date of Patent: July 16, 2013
    Assignee: Rowenta Werke GmbH
    Inventors: Andrea Lukas, Bjorn Scheve, Matthias Hahn, Franck Mandica, Dominique Gelus
  • Patent number: 8485003
    Abstract: Steam wrinkle-removing appliance including a steam-producing base in which the steam can freely flow out through a hose to a wrinkle-removing tool such as a steam brush, characterized in that the hose is connected to the base by a swivel connector fitted into an adapted housing of the base and in that the steam tightness of the swivel connector is ensured by at least one circular rib (122A, 124) borne by the housing or by the connector, the circular rib (122A, 124) being fitted into a corresponding circular groove (80, 81), respectively provided in the connector or the housing, the width of the groove (80, 81) being slightly greater than the width of the rib so as to result in a gap allowing the connector to rotate freely in the housing.
    Type: Grant
    Filed: February 4, 2008
    Date of Patent: July 16, 2013
    Assignee: Rowenta Werke GmbH
    Inventors: Martin Krebs, Jürgen Wenzlaw
  • Patent number: 8347531
    Abstract: Steam wrinkle-removing appliance comprising a water tank (110) in direct communication with a steam-producing boiling chamber (60), said boiling chamber (60) comprising a heating unit (4) and a steam outlet (62) through which the steam can freely flow toward a wrinkle-removing element such as a steam brush, characterized in that the boiling chamber (60) is supplied with water from the tank (110) by means of several supply lines (70) with a small flow cross-section of less than 15 mm2, said supply lines extending lengthwise between an end (70A) opening into the tank (110) and an end (70B) opening into the boiling chamber (60) so as to generate head losses that limit the backflow of hot water or steam toward the tank (110).
    Type: Grant
    Filed: February 4, 2008
    Date of Patent: January 8, 2013
    Assignee: Rowenta Werke GmbH
    Inventors: Martin Krebs, Reinhard Ahlers, Stefan Panten
  • Patent number: 8302334
    Abstract: Steam wrinkle-removing appliance comprising a steam-producing boiling chamber (60) incorporated into a water tank (110), said boiling chamber (60) being in direct communication with the water tank (110) while being supplied with water by gravity via at least one supply line (70) extending from the tank (110), said boiling chamber (60) comprising a heating unit (4) and a steam outlet (62) through which the steam can freely flow toward a wrinkle-removing element (3) such as a steam brush, the tank (110) comprising a filling inlet (121A) in the upper part of the tank (110), characterized in that said steam outlet (62) is in direct communication with a hose (2) connected to the steaming element (3) so that the steam produced by the boiling chamber (60) is not diffused into the tank (110).
    Type: Grant
    Filed: February 4, 2008
    Date of Patent: November 6, 2012
    Assignee: Rowenta Werke GmbH
    Inventors: Martin Krebs, Reinhard Ahlers, Stefan Panten
  • Patent number: 8250788
    Abstract: Appliance for the treatment of fabric articles comprising a water tank, a steam generator for diffusing steam in the direction of the fabric article and a water supply circuit of the steam generator comprising an electric pump, characterized in that said supply circuit comprises a flexible tube (12) and a device (13) for adjusting the flow of water sent to the steam generator comprising means (133) for compressing the flexible tube (12) so as to modify its cross-section of flow.
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: August 28, 2012
    Assignee: Rowenta Werke GmbH
    Inventors: Björn Scheve, Matthias Hahn
  • Patent number: 8181368
    Abstract: The invention relates to a steam iron that comprises a housing including a tank (5) above a heating body and a safety device that protects the tank (5) against overpressure, the heating body (3) comprising a vaporization chamber supplied with liquid from the tank (5) by a supply circuit, characterized in that said supply circuit includes a member (93) extending inside the tank (5) and having an opening (12) blocked by a valve (94A), said valve (94A) opening a passage through said opening (12) when the pressure inside the tank (5) reaches a predetermined value.
    Type: Grant
    Filed: February 28, 2008
    Date of Patent: May 22, 2012
    Assignee: Rowenta Werke GmbH
    Inventors: Dierk Spatz, Wolfgang Keller, Jochen Weber
  • Patent number: 8132289
    Abstract: A locking device for a telescoping pole for use with a retractable handle system, the pole having at least one moveable section slideably mounted in a guide member having at least one opening. The locking device includes a body fixed to the movable section, a locking member carried by the body and movable between locking an unlocking positions, a rotatable lever carried by the body and pivotable between a release position, in which relative movement is permitted between the movable section and the guide member, and a blocking position, in which the lever comes to bear on the guide member and exerts a force assuring a transverse immobilization of the moveable section in the guide member. The lever is coupled to the locking member to be displaced toward the blocking position when the locking member is engaged in the opening under the force produced by a restoring element.
    Type: Grant
    Filed: March 24, 2009
    Date of Patent: March 13, 2012
    Assignee: Rowenta Werke GmbH
    Inventor: Matthias Hahn
  • Publication number: 20110296722
    Abstract: Piezoelectric pump for a household electric appliance having a moving wall interposed between a first casing element defining a pumping chamber with the moving wall, and a second casing element applying pressure to the periphery of the moving wall in order to hold the latter in position. The moving wall has an exterior face in contact with a piezoelectric actuator designed to cause the moving wall to move so as to bring about a periodic variation in the volume of the pumping chamber under the action of the piezoelectric actuator wherein the first casing element and the second casing element are held together under stress by an elastic clip, the elastic clip applying a pressure that tends to compress the first casing element onto the second casing element.
    Type: Application
    Filed: November 30, 2009
    Publication date: December 8, 2011
    Applicant: ROWENTA WERKE GMBH
    Inventors: Andrea Lukas, Björn Scheve, Matthias Hahn
  • Patent number: D656285
    Type: Grant
    Filed: October 24, 2011
    Date of Patent: March 20, 2012
    Assignee: Rowenta Werke GmbH
    Inventors: Victor Massip, Laurent Lebot
  • Patent number: D656286
    Type: Grant
    Filed: October 24, 2011
    Date of Patent: March 20, 2012
    Assignee: Rowenta Werke GmbH
    Inventors: Dierk Spatz, Andrea Lukas, Ralf Kremer
  • Patent number: D700414
    Type: Grant
    Filed: July 29, 2013
    Date of Patent: February 25, 2014
    Assignee: Rowenta Werke GmbH
    Inventor: Dirk Spatz
  • Patent number: D708409
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: July 1, 2014
    Assignee: Rowenta Werke GmbH
    Inventor: Fabrice Renault
  • Patent number: D789010
    Type: Grant
    Filed: January 4, 2016
    Date of Patent: June 6, 2017
    Assignee: Rowenta Werke GmbH
    Inventor: Bernd Koehler
  • Patent number: D789011
    Type: Grant
    Filed: January 4, 2016
    Date of Patent: June 6, 2017
    Assignee: Rowenta Werke GmbH
    Inventor: Bernd Koehler
  • Patent number: D821674
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: June 26, 2018
    Assignee: ROWENTA WERKE GMBH
    Inventors: Thomas Desagre, Frédéric Strubi