A household laundry dryer has at least one filter container which includes a chamber with an inlet for condensate water to be cleaned. The chamber has a first outlet, a second outlet and a filter element which is arranged between the inlet and the first outlet and which divides the chamber into an inlet-side first …

Legal parties

Inventors (applicants): Frank Kohlrusch, Klaus Grunert, Andreas Ziemann
Assignees (initial): BSH Bosch und Siemens Hausgeraete GmbH (Munich, DE)
Agents: Nixon & Vanderhye, P.C. (attorney)

The application was examined by Bobby Ramdhanie (USPTO dept. 1779), Patrick Orme


  • 1. A household laundry dryer, comprising at least one filter container, said at least one filter …
  • 2. The household laundry dryer of claim 1 , further comprising a washing facility, said …
  • 3. The household laundry dryer of claim 2 , wherein the washing facility is adapted …

International priority data

DE: 10 2009 002 540 / Apr. 21, 2009 (national)

Cited documents


  • Grunert US 2010/0101606 A1, Apr. 1, 2010
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  • DE 102006018469 A1, Oct. 1, 2007
  • Hawk et al. US 2001/0022286 A1 / 210/108, Sep. 1, 2001
  • GB 1025081, Apr. 1, 1966
  • FR 2791904 A1, Oct. 1, 2000
  • Ros Roca US 2009/0120866 A1 / 210/411, May. 1, 2009
  • DE 102006018469, Apr. 1, 2006
  • Michaluk US 5478484 A, Dec. 1, 1995
  • LePoder et al. US 6379549 B1 / 210/631, Apr. 1, 2002


Brief Description of the Drawings

In the following figures, the invention is described schematically in more detail with the aid of exemplary embodiments. Here the same or functionally-similar elements can be provided with the same …


Background of the Invention

The invention relates to a household laundry dryer, having a filter container and a method for filtering condensate water in a household laundry dryer. Laundry dryers with a closed process …

Detailed Description of Exemplary Embodiments of the Present Invention

FIG. 1 shows a laundry dryer in the form of an exemplary tumble dryer WG. The tumble dryer WG comprises a closed process air circuit with a laundry drum WT and a process …

List of Reference Characters

1 Filter apparatus 1 a Filter apparatus 1 b Filter apparatus 1 c Filter apparatus 2 Inlet 3 First outlet 4 Second outlet 5 Chamber 5 a First chamber part …

More details about Household Laundry Dryer Condensate Filtering Apparatus and Method

Miscellaneous patent data

The patent grant was extended by 174 days, claims 1-28 comprise the invention scope, the published agent's company is Nixon & Vanderhye, P.C., explained by 6 figures, the assignee classification - a foreign company or corporation, the application publication date is Apr. 15, 2010, the invention description is illustrated by 5 drawings, the patent was granted on Oct. 21, 2014, the recorded inventor's name is Ziemann Andreas, the grant publication number is 08863401, the examination was conducted by Bobby Ramdhanie, the main examiner, Patrick Orme, the assistant (1779 USPTO department), numbered 13/263,163 (application), the claim number 1 is selected as exemplary, the assignee location is Munich (DE); its company is BSH Bosch und Siemens Hausgeraete GmbH, the published applicant's name is Ziemann Andreas, the exemplary patent drawings are sectional representation of a side, sectional representation of a side, Household Laundry Dryer Condensate Filtering, schematic diagram of a laundry, invented by Andreas Ziemann et al., the patent particularly claims a household laundry dryer, comprising at least one filter container, said…, the invention is titled Household Laundry Dryer Condensate Filtering Apparatus and Method, similar classification categories are pre-heated block, evolved gas or vapor treatment, Washing installations comprising an assembly of several washing machines or washing units, e.g. continuous flow assemblies, Having angled floor or wall, vacuum guide roller, Rotary or swinging carrier or rack, liquid-extracting apparatus, Hand irons internally heated by electricity, Ironing machines not otherwise provided for, Liquid discharge arrangements, having radial arms, e.g. collapsible, Frames guiding or housing the roller shafts, Stands for supporting the roller framework, stationary trays in rotatable drum, Bowl drive, Driving arrangements, categorized under Combined as a primary classification.

Invention classification information

The invention is classified under Lint collecting arrangements, Combined, Condensing arrangements, Rehabilitating or regenerating filter medium. The designated search classifications include Closed circulating system, Manipulation of liquid, Pipe or plate attached type, Diverse types of liquid removers only, Fluid pressure responsive by-pass, With membrane cleaning or sterlizing means (other than by filter movement or rotating agitator), Medium, cleaner or agitator moved by fluid, Combined, By filter, Filter cleaning, Including change of mainstream flow direction, Planar membrane, Backwash or blowback, Casing Divided by Membrane Into Sections Having Inlet(s) Outlet(s), Cleaner, Float, Flow, Fluid Pressure or Material Level, Responsive, Controls valve, Utilizing gravitational force, Backwash or blowback, Rehabilitating or regenerating filter medium, Fluid cleaning.

Patent details
Publication number 08863401
Publication date Oct. 21, 2014
Kind code B2
Application number 13/263,163
Application date Apr. 15, 2010
Application type U
Application series code 13
Int. pub. country WO
Int. pub. number WO2010/121942
Int. publication Oct. 28, 2010
Int. filing country WO
Int. filing PCT/EP2010/054944
Filed internationally Apr. 15, 2010
National stage date Oct. 6, 2011
Extension term 174
National classification 34/90
Total number of claims 28
Exemplary claims 1
Number of drawings 5
Number of figures 6
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