The invention relates to a wind driven power plant comprising a nacelle having a nacelle cover and a helicopter hoisting platform, the nacelle further comprising a hatch extension and a hatch cover, the hatch extension being arranged between the nacelle cover and the hatch cover, wherein the hatch extension has a channel-like shape, wherein the hatch cover is mounted on top of the hatch extension, and wherein a the hatch extension provides a distance between the hatch cover and the nacelle cover.

The invention relates to a wind driven power plant comprising a nacelle having a nacelle cover and a helicopter hoisting platform, the nacelle further comprising a hatch extension and a hatch cover, the hatch extension being arranged between the nacelle cover and the hatch cover, wherein the hatch extension has a channel-like shape, wherein the hatch cover is mounted on top of the hatch extension, and wherein a the hatch extension provides a distance between the hatch cover and the nacelle cover.

A drone delivery system provides to send or to receive the package conveniently and safely without going out of the building by using the platform installed at the vicinity of the window. The drone delivery system includes the drone having a first docking device, a standard box having a second docking device corresponding to the first docking device and a third docking device and a platform having a fourth docking device corresponding to the third docking device.

A drone delivery system provides to send or to receive the package conveniently and safely without going out of the building by using the platform installed at the vicinity of the window. The drone delivery system includes the drone having a first docking device, a standard box having a second docking device corresponding to the first docking device and a third docking device and a platform having a fourth docking device corresponding to the third docking device.

A vertical escape structure comprises an escape housing disposed in a vertical orientation and mounted to a ground to maintain structural integrity in the vertical orientation against external flooding. The escape housing includes an interior which is sealed against water entry from exterior flooding and at least one of a staircase, a ladder, an elevator, or a lift disposed in the interior of the escape housing. The vertical escape structure further comprises a connecting walkway to connect the escape housing to a building. The escape housing has a smaller horizontal footprint than the building. The walkway is severable from the building by force without damaging the escape housing to cause water entry from the exterior flooding.

A heli-hoist platform for a wind turbine includes: a deck plate accessible by a worker from a helicopter; a barrier provided along the periphery of the deck plate; and a pair of support brackets extending along a longitudinal direction of the heli-hoist platform at both ends in a width direction of the deck plate.

A heli-hoist platform for a wind turbine includes: a deck plate accessible by a worker from a helicopter; a barrier provided along the periphery of the deck plate; and a pair of support brackets extending along a longitudinal direction of the heli-hoist platform at both ends in a width direction of the deck plate.

The invention relates to a landing zone arrangement (1) for aircraft (19), in particular aircraft capable of vertical take-off, said arrangement comprising: a plurality of segments (3) which together form a landing zone in an operating state; a storage space (2) in which the plurality of segments (3) are at least partially stowable in a stored state; and a base (5) with a rotatable rotor element (4) in order to rotate the plurality of segments (3) for transfer into the operating state and/or into the stored state. In order to create a landing zone arrangement which allows a lighter technical design, the invention provides that at least individual segments of the plurality of segments (3) are secured removably to the rotor element (4), and a securing unit (8) of the landing zone arrangement (1) is designed to fasten the removable segments (3) to the rotor element (4) for transfer into the operating state and to release this fastening for transfer into the stored state. A lifting unit (9) is provided, which has one or more lifting elements (10) arranged in or on the storage space (2) in order to move the removable segments (3) in the direction of the rotor element (4) when transferring into the operating state.

The subject of the invention is a support panel with cellular core structure and the manufacturing process for the support panel with cellular core structure which solve the technical problems of: facilitating the manufacture of the product, ensuring compactness of individual panels and manufacturing support panels with cellular structure (1) in a single step. The support plate with cellular structure (1) comprises at least the upper solid surface (2), the lower solid surface (3) and the cellular structure (4), whereby all of these components are made of any thermoplastic material; however, all of the components are made of the same material. The cellular structure (4) is constructed with energy directors (5) to prevent spacing between the cellular structure (4), the upper solid surface (2) and the lower solid surface (3). The pre-formed cellular core (4) is placed on the levelled thermoplastic material used to form the lower solid surface, after which the material is applied over the cellular core (4) up to the depth required to form the lateral surfaces and the upper solid surface (2). After heating and pressing the material, the support panel with cellular structure (1) is cooled under pressure, and then it is removed from the press mould.

The subject of the invention is a support panel with cellular core structure and the manufacturing process for the support panel with cellular core structure which solve the technical problems of: facilitating the manufacture of the product, ensuring compactness of individual panels and manufacturing support panels with cellular structure (1) in a single step. The support plate with cellular structure (1) comprises at least the upper solid surface (2), the lower solid surface (3) and the cellular structure (4), whereby all of these components are made of any thermoplastic material; however, all of the components are made of the same material. The cellular structure (4) is constructed with energy directors (5) to prevent spacing between the cellular structure (4), the upper solid surface (2) and the lower solid surface (3). The pre-formed cellular core (4) is placed on the levelled thermoplastic material used to form the lower solid surface, after which the material is applied over the cellular core (4) up to the depth required to form the lateral surfaces and the upper solid surface (2). After heating and pressing the material, the support panel with cellular structure (1) is cooled under pressure, and then it is removed from the press mould.