Abstract: A gallery-cooled piston with a cooling gallery or a cooling chamber in the region of the piston crown of the gallery-cooled piston. At least one opening having a funnel-shaped inlet is provided from an inner region of the gallery-cooled piston to the cooling gallery or the cooling chamber. A funnel-shaped tube is inserted into and fixed in the at least one opening after the production of the gallery-cooled piston.

Abstract: A receiving container, and method of using the same, for packet or small parcel mailings to be received or to be sent, having a closable opening through which a packet or small parcel mailing can be inserted into the receiving container. The receiving container has a fixing element with which the receiving container can either be fixed to, or removed from, a door of a house or an apartment, in particular without structural work in each case.

Abstract: A linear motor includes a primary part which is cooled using a coolant circuit to remove heat loss caused in the current-carrying conductor windings so as to prevent excess operational temperatures in the linear motor. In order to allow the linear motor to be used in immediate proximity of a production machine without affecting operation thereof by interference occurring in the work zone and without affecting the work zone through heat released by the linear motor, the primary part is completely encapsulated by an enveloping casing in conjunction with a cooling plate through which coolant flows. The cooling plate represents the element by which the primary part is secured to the machine part to be moved of the production machine.