Patents by Inventor Holger Löffler
Holger Löffler 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).
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Patent number: 8555523Abstract: A method carried out without sealing elements inside fixed parts in the front area of a condensation dryer. A process air channel arranged in a shield is made of a plastic material and is provided with a vertical dividing surface which is placed at the level of a heat exchanger reception area in front of a base module. Said base module and the shield are assembled without additional sealing means. The tightness of the process air guide along the passage from the shield to a condenser is obtainable by supporting surfaces devoid of welds and hitches on the edges of the heat exchanger insertion opening, sealing elements placed on the circumference of a heat exchanger are pressed to each other when the dryer is prepared to operate.Type: GrantFiled: January 12, 2006Date of Patent: October 15, 2013Assignee: BSH Bosch und Siemens Hausgeraete GmbHInventors: Lothar Dittmer, Holger Löffler
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Patent number: 8458924Abstract: The invention relates to a dryer with a housing and a drying chamber for objects to be dried, a process air duct, in which are located a heater for warming the process air and a first fan, a motor for driving the drying chamber, a heat exchanger and a cold air section in the process air duct or in a cooling air duct, with a motor cooling duct which branches off from the cold air section being able to apply cold air to the motor.Type: GrantFiled: February 20, 2009Date of Patent: June 11, 2013Assignee: BSH Bosch und Siemens Hausgeraete GmbHInventors: Falk Laube, Holger Löffler, Andreas Ziemann
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Patent number: 8056254Abstract: A tumble dryer is provided having a heat exchanger through which a process-air stream flows in a first direction and a first duct which is arranged in fluid communication with the heat exchanger through which a process-air stream flows in a second direction and in which a lint filter is disposed. A tray having its own lint filter is removably attached to the heat exchanger and arranged between the duct and the heat exchanger.Type: GrantFiled: June 27, 2006Date of Patent: November 15, 2011Assignee: BSH Bosch und Siemens Hausgeraete GmbHInventors: Holger Löffler, Henry Ott, Philipp Steusloff
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Patent number: 7984568Abstract: A condensation washer-dryer, in particular, the air-guiding process. The base module is used to receive function parts and components of the air guide and is closed on the rear side by means of a process air cover and forms a plastic, stable support structure for the washer-dryer. The connecting surfaces are large and extend, preferably, over the entire width of the washer-dryer. Due to said embodiment, air guiding channels are formed in a simple manner on the rear side of the base module and the housing of the process air ventilator is closed on the rear side. Sealing elements are no longer required due to said welding of said type of connection and an exceptionally high mechanical rigidity is obtained.Type: GrantFiled: December 1, 2006Date of Patent: July 26, 2011Assignee: BSH Bosch und Siemens Hausgeraete GmbHInventors: Lothar Dittmer, Holger Löffler
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Patent number: 7946054Abstract: An assembly which is a composite including an end shield and a front wall. The size and shape of the end shield are adapted to the inner face of the front wall. Both parts are dimensioned and formed in such a way that they can be interconnected in a fixed manner to form a stable composite resembling a sandwich assembly. The joint surfaces between the front wall and the end shield lie on perpendicular planes and extend for some distance. The construction and connection of the individual parts and of the composite give the front region of the tumble dryer a high degree of rigidity, which obviates the need for additional reinforcement measures. The assembly thus saves material and mounting costs and resources.Type: GrantFiled: January 26, 2006Date of Patent: May 24, 2011Assignee: BSH Bosch und Siemens Hausgeraete GmbHInventors: Lothar Dittmer, Holger Löffler
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Patent number: 7946057Abstract: A support structure for a clothes dryer comprising modular units for receiving functional parts and an air duct components. The modular units are incorporated into the support structure. The inventive support structure for stabilizing the clothes dryer comprises a front part in the form of a combined body provided with an end shield, a front wall, a base module on the bottom side comprising a base body and a process air lid, a rear module comprising the rear wall, a heating device and a cover. The joining surfaces between the modular units are located on a vertical plane. Connections are constructed in such a way that they are devoid of sealing elements which are currently used for joining surfaces. With respect to known embodiments, the inventive clothes dryer structural design is producible with a low material consumption and, in general, can be produced in a more rational manner.Type: GrantFiled: January 9, 2006Date of Patent: May 24, 2011Assignee: BSH Bosch und Siemens Hausgeraete GmbHInventors: Lothar Dittmer, Holger Löffler
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Patent number: 7926202Abstract: A base module for a condenser tumble dryer housing the functional parts and air conduction components and additionally being configured as part of the support structure of the tumble dryer. The base module comprises perpendicular joint faces in relation to the front end shield and the rear process air cover. The joint faces lie essentially on at least one perpendicular plane or on at least two perpendicular planes that are offset in a staggered manner in relation to one another, have a large surface area and preferably extend over the entire width of the tumble dryer. The proposed base module has significant advantages in terms of its mechanical stability as an individual structural component and as part of the entire support structure and in terms of the effective conduction of the air streams, the production of the individual parts and the assembly of the final module.Type: GrantFiled: January 17, 2006Date of Patent: April 19, 2011Assignee: BSH Bosch und Siemens Hausgeraete GmbHInventors: Lothar Dittmer, Holger Löffler
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Publication number: 20090260247Abstract: A tumble dryer is provided having a heat exchanger through which a process-air stream flows in a first direction and a first duct which is arranged in fluid communication with the heat exchanger through which a process-air stream flows in a second direction and in which a lint filter is disposed. A tray having its own lint filter is removably attached to the heat exchanger and arranged between the duct and the heat exchanger.Type: ApplicationFiled: June 27, 2006Publication date: October 22, 2009Applicant: BSH Bosch und Siemens Hausgeräte GmbHInventors: Holger Löffler, Henry Ott, Philpp Steusloff
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Publication number: 20090211107Abstract: The invention relates to a dryer with a housing and a drying chamber for objects to be dried, a process air duct, in which are located a heater for warming the process air and a first fan, a motor for driving the drying chamber, a heat exchanger and a cold air section in the process air duct or in a cooling air duct, with a motor cooling duct which branches off from the cold air section being able to apply cold air to the motor.Type: ApplicationFiled: February 20, 2009Publication date: August 27, 2009Applicant: BSH Bosch und Siemens Hausgeraete GmbHInventors: Falk Laube, Holger Loeffler, Andreas Ziemann
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Publication number: 20090126218Abstract: A condensation washer-dryer, in particular, the air-guiding process. The base module is used to receive function parts and components of the air guide and is closed on the rear side by means of a process air cover and forms a plastic, stable support structure for the washer-dryer. The connecting surfaces are large and extend, preferably, over the entire width of the washer-dryer. Due to said embodiment, air guiding channels are formed in a simple manner on the rear side of the base module and the housing of the process air ventilator is closed on the rear side. Sealing elements are no longer required due to said welding of said type of connection and an exceptionally high mechanical rigidity is obtained.Type: ApplicationFiled: December 1, 2006Publication date: May 21, 2009Applicant: BSH Bosch und Seimens Hausgeraete GmbHInventors: Lothar Dittmer, Holger Loeffler