# US 12,759,708 B2 · Lavatory arrangement for an aircraft cabin with enclosed supplemental space partition provided in front of lavatory arrangement > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,759,708 B2 - Document ID: US12759708B2 - Status: Granted - Kind: B2 - Application number: 19/189,390 - Filed: 2025-04-25 - Published: 2025-10-30 - Granted: 2026-10-13 - Earliest claimed: 2024-04-29 - Assignees: Airbus Operations GmbH - Applicants: Airbus Operations GmbH - Inventors: Axel Vötter; Tjark Miles - Web page: https://patentgrep.com/patent/US12759708B2 ## CPC - B64D 11/02: Toilet fittings - B64D: EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT ## Abstract A lavatory arrangement for an aircraft cabin includes a first lavatory compartment accessible from an aisle area via a first door, and a second lavatory compartment accessible from the aisle area via a second door. A movable bi-functional partition wall is arranged between the first and second lavatory compartments. The bi-functional partition wall is movable between primary and secondary positions. In the primary position, the bi-functional partition wall separates the first lavatory compartment from the second lavatory compartment, and in the secondary position, the bi-functional partition wall is brought into a position outside the first and second lavatory compartments, in which secondary position the first lavatory compartment and the second lavatory compartment provide an enlarged common lavatory. In the secondary position, the bi-functional partition wall is arranged at least partly outside the lavatory arrangement and within the aisle area outside the first lavatory compartment and the second lavatory compartment. ## Claims ### Claim 1 A cabin for an aircraft, the cabin comprising: at least one passenger seating zone with a plurality of passenger seats; at least one aisle zone which is adjacent to the at least one passenger seating zone and which is configured to allow movement of the passengers inside the cabin; and at least one lavatory monument forming a lavatory arrangement, comprising: a first lavatory compartment accessible from an aisle area via a first door; a second lavatory compartment accessible from the aisle area via a second door; wherein a movable bi-functional partition wall is arranged between the first lavatory compartment and the second lavatory compartment; wherein the bi-functional partition wall is movable between a primary position and a secondary position; wherein in the primary position, the bi-functional partition wall separates the first lavatory compartment from the second lavatory compartment, and in the secondary position, the bi-functional partition wall is brought into a position outside the first and second lavatory compartments, in which secondary position the first lavatory compartment and the second lavatory compartment provide an enlarged common lavatory; wherein in the secondary position, the bi-functional partition wall is arranged at least partly outside the lavatory arrangement and at least partly within the aisle area outside the first lavatory compartment and the second lavatory compartment; and wherein, in the secondary position, the bi-functional partition wall is at least partly enclosing a part of the aisle area in front of the lavatory arrangement providing an additional separated space as an enlargement to the enlarged common lavatory. ### Claim 2 (depends on 1) The cabin according to claim 1, wherein, in the secondary position, the partition wall is arranged extending towards a monument provided on an opposite side of the aisle area such that an additional space is provided in front of the first or second door separated from an adjacent aisle or seating space, which additional space provides an enlargement to the common lavatory. ### Claim 3 (depends on 1) The cabin according to claim 1, wherein the partition wall comprises a main wall panel and an extension segment on a distal edge of the partition wall to extend an effective length of the partition wall in the secondary position; wherein the extension segment is movable from a stored position to an extended position; and wherein the extension segment is: a pivoting segment attached to the main wall panel pivotably around a vertical axis; or a translating segment attached to a distal front end of the main wall panel translatable in a telescoping manner. ### Claim 4 (depends on 1) The cabin according to claim 1, wherein a movable bridging segment is provided on the monument provided on the opposite side of the aisle area; wherein the bridging segment is movable between a parked position and a deployed position; and wherein the partition wall is connectable to the bridging segment when the partition wall is in a secondary position of the partition wall and the bridging segment is in its a deployed position of the bridging segment. ### Claim 5 (depends on 1) The cabin according to claim 1, wherein the partition wall comprises at least two wall panel segments connected by a vertical hinge connection; and wherein, in the secondary position, the partition wall is extracted from the lavatory arrangement and folded along the vertical hinge connection and attached with a distal end such that an enclosed supplemental space partition is provided in front of the first door or the second door, which enclosed supplemental space section is provided as an apsis-like enlargement to the enlarged common lavatory. ### Claim 6 (depends on 1) The cabin according to claim 1, wherein the partition wall comprises at least two wall panel segments connected by a vertical hinge connection; wherein, in the secondary position, the partition wall is extracted from the arranged lavatory arrangement folded along the vertical hinge connection and attached with a distal end of the partition wall to a cabin wall structure arranged to the side of the first or the second lavatory such that a supplemental space section adjacent to the first or second door is provided, which supplemental space is provided as an enlargement to the enlarged common lavatory. ### Claim 7 (depends on 1) The cabin according to claim 1, wherein, in the secondary position, the partition wall is arranged extending from the lavatory arrangement to a monument provided on an opposite side of the aisle area within the cabin; wherein, for achieving the secondary position, in a completely pulled out state of the partition wall is movable with a proximal end of the partition wall from a location between the first and the second door towards a location on the opposite side of the first and the second door; and wherein, in the secondary position, the partition wall is connected with a proximal end of the partition wall to a portion of the lavatory arrangement that is arranged on a lateral side of the first or the second door such that an enlarged additional space is provided in front of the first and second door separated from an adjacent aisle or seating space of the cabin, which additional space is provided as an enlargement to the common lavatory. ### Claim 8 (depends on 1) The cabin according to claim 1, wherein, in the secondary position, the partition wall is arranged in front of the first or the second lavatory door; and wherein, the partition wall comprises two segments that are foldable connected along a vertical axis to fold in front of the first or second door in the secondary position. ### Claim 9 (depends on 1) The cabin according to claim 1, wherein the at least one aisle zone comprises at least one longitudinally arranged aisle; and wherein the first and second lavatory compartments are accessible from the aisle. ### Claim 10 (depends on 1) The cabin according to claim 1, wherein an entry zone is provided to be arranged next to an aircraft door; the entry zone comprising an entry aisle area; and wherein the first and second lavatory compartments are accessible from the entry aisle area. ### Claim 11 A method for transforming a lavatory arrangement for an aircraft cabin, comprising the following steps: arranging a lavatory arrangement comprising a first lavatory compartment accessible from an aisle area via a first door, and a second lavatory compartment accessible from the aisle area via a second door; and moving a bi-functional partition wall arranged between the first lavatory compartment and the second lavatory compartment from a primary position, in which the bi-functional partition wall separates the first lavatory compartment from the second lavatory compartment, to a secondary position; wherein, to move the partition wall, the wall is released and then moved to provide the enlarged lavatory, and further placed in the aisle area where the partition wall is fixed; wherein in the secondary position, the bi-functional partition wall is brought into a position outside the first and second lavatory compartments; wherein, in the secondary position, the first lavatory compartment and the second lavatory compartment provide an enlarged common lavatory; and wherein in the secondary position, the bi-functional partition wall is arranged at least partly outside the lavatory arrangement and within the aisle area outside the first lavatory compartment and the second lavatory compartment. ### Claim 12 A lavatory arrangement for an aircraft cabin, the arrangement comprising: a first lavatory compartment accessible from an aisle area via a first door; and a second lavatory compartment accessible from the aisle area via a second door; a divider wall arranged between the first lavatory compartment and the second lavatory compartment, comprising: a primary wall panel; a secondary wall panel; and a fitting assembly; wherein the primary wall panel is configured to be fixedly arranged between a first lavatory and a second lavatory of a double lavatory arrangement; wherein the secondary wall panel is configured to be removably arranged between the first and the second lavatory such that in an attached first position, the secondary wall panel and the primary wall panel provide a separation between the first and the second lavatory; wherein the secondary wall panel is movable to a detached second position outside the lavatory arrangement in which a separation of the first and the second lavatory is cancelled; and wherein the fitting assembly is configured to removably mount the secondary wall panel in the first position to at least one of the group comprising: a lavatory enclosure and the primary wall panel, wherein in the first position, the divider wall separates the first lavatory compartment from the second lavatory compartment; wherein in the second position, the secondary wall panel is brought outside the first and second lavatory compartments, in which second position the first lavatory compartment and the second lavatory compartment provide an enlarged common lavatory; wherein the secondary wall panel comprises at least two wall panel segments connected by a vertical hinge connection; and wherein, in the detached second position outside, the secondary wall panel is extracted from the aircraft lavatory arrangement folded along the vertical hinge connection and attached with a distal end of the secondary wall panel to a cabin wall structure arranged to the side of the first or the second lavatory such that a supplemental space section adjacent to the first or second door is provided, which supplemental space is provided as an enlargement to the enlarged common lavatory. ### Claim 13 (depends on 12) The lavatory arrangement according to claim 12, wherein the fitting assembly is configured to removably fix the secondary wall panel in the second position to at least one of the group comprising: a cabin facing side of the lavatory enclosure and another monument within the cabin; and wherein the secondary wall panel comprises a first panel segment and a second panel segment; and the first panel segment and the second panel segment are movably connected to each other. ### Claim 14 (depends on 13) The lavatory arrangement according to claim 13, wherein the first panel segment and the second panel segment are symmetric along a vertical axis of the vertical hinge. ### Claim 15 (depends on 12) A cabin for an aircraft, the cabin comprising: at least one passenger seating zone with a plurality of passenger seats; at least one aisle zone configured to allow movement of the passengers inside the cabin; and at least one lavatory monument; wherein the at least one lavatory monument comprises at least one lavatory arrangement according to claim 12; wherein, in the second position, the secondary wall panel is arranged extending from the first lavatory compartment or the second lavatory compartment towards a monument provided on an opposite side of the aisle area such that an additional space is provided in front of the first or second door separated from an adjacent aisle or seating space, which additional space is provided as an enlargement to the common lavatory; and wherein, in the second position, the secondary wall panel is attached to a distal edge of the first or the second door.