Abstract: A fastening element, in particular for solar panels, includes a tubular pole, a load element, and a ground anchor sleeve. The fastening element may include a tubular pole holder for insertion of a free end of the tubular pole. The fastening element further relates to a solar fence, having at least one solar panel which is disposed between two fastening elements and fastened thereto.

Abstract: A solar energy roof tile, thermally and/or electrically conductively connected to an adjacent solar energy roof tile, includes a lower face for placing on at least some regions of a roof construction, an upper face opposite the lower face formed at least in some regions by a solar energy utilisation module, two opposite lateral walls, a rear face connecting the lateral walls, and a front face opposite the rear face that connects the lateral walls. The two lateral walls, the rear face and front face together connect the lower and upper faces, such that a cavity is formed between the two lateral walls, the rear face, front face, and lower and upper faces. The lower face has, in the region of the front face, a lower opening for providing access. The upper face has, in the region of the rear face, an upper opening for providing access into the cavity.

Abstract: A female charging socket for transferring charging current to an electrical vehicle via a male charging plug, wherein the charging socket has a hollow socket body to receive a plug body of the charging plug, wherein electrical contact areas running concentrically are interior to the charging socket and distributed therein in an axial direction; wherein the charging plug is insertable into the hollow socket body, the charging plug being formed of a conical or cylindrical plug body and having exterior thereto multiple electrical contact tracks running concentrically around the plug body distributed axially for making electrical contact with the electrical contact areas of the charging socket, and wherein the charging socket further comprises at least one spanning contact adapted to bring into electrical contact and hold at least one of the electrical contact areas of the charging socket with a corresponding respective electrical contact track of the charging plug.

Abstract: A solar energy roof tile, thermally and/or electrically conductively connected to an adjacent solar energy roof tile, includes a lower face for placing on at least some regions of a roof construction, an upper face opposite the lower face formed at least in some regions by a solar energy utilisation module, two opposite lateral walls, a rear face connecting the two lateral walls, and a front face opposite the rear face that connects the lateral walls. The two lateral walls, the rear face and front face together connect the lower and upper faces, such that a cavity is formed between the two lateral walls, the rear face, front face, and lower and upper faces. The lower face has, in the region of the front face, a lower opening for providing access. The upper face has, in the region of the rear face, an upper opening for providing access into the cavity.

Abstract: The present disclosure relates to a charging cable system, having a charging cable with a plurality of individual conductors running within the charging cable to transfer a charging current and with a cable connection part for connecting the charging cable to the stored energy source of an electrically driven vehicle. According to the present disclosure, at least one cooling channel runs within the charging cable, in which cooling channel a cooling medium is guided to the cable connection part, and in the cable connection part valve means are provided for returning the cooling medium to the charging cable. The charging cable is designed such that after this return, the cooling medium flows at least partially around the individual conductors.

Abstract: A female charging socket for transferring charging current to an electrical vehicle via a male charging plug, wherein the charging socket has a hollow socket body to receive a plug body of the charging plug, wherein electrical contact areas running concentrically are interior to the charging socket and distributed therein in an axial direction; wherein the charging plug is insertable into the hollow socket body, the charging plug being formed of a conical or cylindrical plug body and having exterior thereto multiple electrical contact tracks running concentrically around the plug body distributed axially for making electrical contact with the electrical contact areas of the charging socket, and wherein the charging socket further comprises at least one spanning contact adapted to bring into electrical contact and hold at least one of the electrical contact areas of the charging socket with a corresponding respective electrical contact track of the charging plug.

Abstract: The present disclosure relates to a charging plug for transmitting a charging current to an electrically operable vehicle, having multiple contact elements for electrically contacting the charging plug with contact elements of a charging socket. According to the present disclosure, the charging plug has a conical or cylindrical plug body, on the outer face of which multiple contact paths that run concentrically about the plug body are formed in a distributed manner in the axial direction. The present disclosure additionally relates to a charging plug/charging socket system comprising such a charging plug and a charging socket with a hollow socket body into which the plug body of the charging plug can be inserted, wherein contact surfaces which run concentrically in the socket body are formed on the inner face of the socket body.

Abstract: The present disclosure relates to a charging cable system, having a charging cable with a plurality of individual conductors running within the charging cable to transfer a charging current and with a cable connection part for connecting the charging cable to the stored energy source of an electrically driven vehicle. According to the present disclosure, at least one cooling channel runs within the charging cable, in which cooling channel a cooling medium is guided to the cable connection part, and in the cable connection part valve means are provided for returning the cooling medium to the charging cable. The charging cable is designed such that after this return, the cooling medium flows at least partially around the individual conductors.

Abstract: The present disclosure relates to a charging plug for transmitting a charging current to an electrically operable vehicle, having multiple contact elements for electrically contacting the charging plug with contact elements of a charging socket. According to the present disclosure, the charging plug has a conical or cylindrical plug body, on the outer face of which multiple contact paths that run concentrically about the plug body are formed in a distributed manner in the axial direction. The present disclosure additionally relates to a charging plug/charging socket system comprising such a charging plug and a charging socket with a hollow socket body into which the plug body of the charging plug can be inserted, wherein contact surfaces which run concentrically in the socket body are formed on the inner face of the socket body.

Abstract: The invention relates to a photovoltaic roof tile (20) for obtaining electrical energy from solar radiation.

Abstract: The invention relates to a solar energy roof tile (20) for the production of electrical and thermal energy from solar radiation.

Abstract: The invention relates to a solar thermal pantile (20) for the production of thermal energy from solar radiation, the shape of which essentially corresponds to the shape of a conventional roof tile, comprising an absorber (26) passed-through by a medium, having an inlet line (34) and an outlet line (36), which is arranged on a base tile (22), which is for mounting the solar thermal pantile (20) on a roof, wherein the inlet line (34), at its free end, comprises a first connecting element (38), the outlet line (36) is formed, and, at its free end, comprises a second connecting element (40), at least one of the two lines (34, 36) is formed as being variable in length, the two connecting elements (38, 40) are connectable to each other, in an initial state, both connecting elements (38, 40) are arranged within outer dimensions of the solar thermal pantile (20), in an assembly state at least one of the two connecting elements (38, 40) may be pulled out beyond the outer dimensions of the solar thermal pantile (20)