Abstract: The invention relates to a method for line pressure monitoring, in particular for detecting leaks, in a bidirectionally used line section (40a) of a connection line unit (40) in an energy system (10), in particular in a domestic energy system, as well as an energy system (10) of this type, wherein a first energy source unit (21) and a first energy sink unit (22) are positioned on the first side (43) of the bidirectional line section (40a), and wherein a second energy source unit (31) and a second energy sink unit (32) are positioned on the second side (44) of the bidirectional line section (40a).

Abstract: The invention relates, inter alia, to a purging system, which is provided for purging at least one energy source device and/or at least one energy sink device of an energy system, comprising a purging device, which is provided in such a way that the purging device is able to produce a discharge volumetric flow (42) containing hydrogen during a purging process. The aim of the invention is to further advantageously modify a purging system of the type in question in order to avoid explosion hazards due to hydrogen in the discharge volumetric flow after a purging process, by means of economical measures of simple design.

Abstract: The invention relates to an energy system (10) and a method for adjusting the line pressure in an energy system (10). The energy system (10) comprises a first energy source unit (21), a first energy sink unit (22), a second energy source unit (31) and a connection line unit (40), via which the first energy source unit (21) is connected to the second energy source unit (31) and the second energy source unit (31) is connected to the first energy sink unit (21).

Abstract: The invention relates to a method for line pressure monitoring, in particular for detecting leaks, in a bidirectionally used line section (40a) of a connection line unit (40) in an energy system (10), in particular in a domestic energy system, as well as an energy system (10) of this type, wherein a first energy source unit (21) and a first energy sink unit (22) are positioned on the first side (43) of the bidirectional line section (40a), and wherein a second energy source unit (31) and a second energy sink unit (32) are positioned on the second side (44) of the bidirectional line section (40a).

Abstract: The present invention relates, amongst other things, to a flushing system (40) for flushing an energy source device (15) and/or an energy sink device (16) of an energy system (10), the flushing system comprising: a flushing device (41) having a storage chamber (45), which on the input side is fluidically connected to a first line portion (46), which is formed as a flushing line starting from the energy source device (15), and/or to a second line portion (47), which is formed as a flushing line starting from the energy sink device (16); a first monitoring device (50) for monitoring the state of the storage chamber (45), the first monitoring device (50) comprising at least one sensor device (50a) associated with the storage chamber (45) for monitoring the fill level of the storage chamber (45); and also optionally a compensation container device (54) fluidically connected to the storage chamber (45).

Abstract: A domestic power plant has a housing which has an external air connection and an output air connection, and comprises a ventilation device with a heat exchanger. The ventilation device is connected to the external air connection such that external air can flow in a first air tract via the heat exchanger, or via an external air bypass past the heat exchanger, into a feed air tract of the domestic power plant. The feed air tract runs at least partially within the housing. The domestic power plant also has an exhaust air tract in which an air volume flow, brought about by the ventilation device, can be propagated within the housing and a fuel cell unit.

Abstract: The invention relates to a flushing arrangement for flushing (purging) a fuel cell unit on its anode side and/or an electrolysis unit on its cathode side. The flushing arrangement has a flushing channel with a first and a second flushing channel section, which can be fluidically connected to one another via a purge valve of the flushing arrangement, and with a buffer store which is fluidically connected to the flushing channel and downstream of the purge valve, and which has a storage chamber that is provided for intermediate storage of a fluid mass to be flushed in a pulse-type manner with a flush mass flow from the fuel cell unit and/or from the electrolysis unit, so that this fluid mass can be discharged with a discharge mass flow, which is smaller than the flush mass flow, out of an outflow element fluidically connected to the second flushing channel section.

Abstract: A method for operating a domestic energy generation installation comprises ascertaining or prespecifying at least one expectation time period, ascertaining an expected load profile of an electrical consumer, ascertaining an expected yield profile of the regenerative energy source in the expectation time period, ascertaining or prespecifying a minimum consumption power which should be available for withdrawal from the storage battery unit, ascertaining an energy balance over one expectation time period from the expected yield profile and the expected load profile, ascertaining a time range of the storage battery unit from the expected load profile, the expected yield profile and the minimum consumption power, which should not be undershot at any time, and from a currently ascertained state of charge of the storage battery unit, operating the fuel cell unit depending on the ascertained time range and operating the electrolysis unit depending on the ascertained energy balance.

Abstract: A domestic power plant has a housing which has an external air connection and an output air connection, and comprises a ventilation device with a heat exchanger. The ventilation device is connected to the external air connection such that external air can flow in a first air tract via the heat exchanger, or via an external air bypass past the heat exchanger, into a feed air tract of the domestic power plant. The feed air tract runs at least partially within the housing. The domestic power plant also has an exhaust air tract in which an air volume flow, brought about by the ventilation device, can be propagated within the housing and a fuel cell unit.

Abstract: A method for operating a domestic energy generation installation comprises ascertaining or prespecifying at least one expectation time period, ascertaining an expected load profile of an electrical consumer, ascertaining an expected yield profile of the regenerative energy source in the expectation time period, ascertaining or prespecifying a minimum consumption power which should be available for withdrawal from the storage battery unit, ascertaining an energy balance over one expectation time period from the expected yield profile and the expected load profile, ascertaining a time range of the storage battery unit from the expected load profile, the expected yield profile and the minimum consumption power, which should not be undershot at any time, and from a currently ascertained state of charge of the storage battery unit, operating the fuel cell unit depending on the ascertained time range and operating the electrolysis unit depending on the ascertained energy balance.

Abstract: The invention relates to a flushing arrangement for flushing (purging) a fuel cell unit on its anode side and/or an electrolysis unit on its cathode side. The flushing arrangement has a flushing channel with a first and a second flushing channel section, which can be fluidically connected to one another via a purge valve of the flushing arrangement, and with a buffer store which is fluidically connected to the flushing channel and downstream of the purge valve, and which has a storage chamber that is provided for intermediate storage of a fluid mass to be flushed in a pulse-type manner with a flush mass flow from the fuel cell unit and/or from the electrolysis unit, so that this fluid mass can be discharged with a discharge mass flow, which is smaller than the flush mass flow, out of an outflow element fluidically connected to the second flushing channel section.

Abstract: A magnetic resonance apparatus is proposed. The magnetic resonance apparatus has a magnet unit, magnet housing and a housing unit surrounding the magnet unit. The housing unit includes at least one support structure unit and a cladding unit. The cladding unit has at least one first layer, which includes a sound absorption element, and at least one second layer, which includes a heavy mass layer.

Abstract: A magnetic resonance apparatus includes a magnet unit and a housing unit enclosing the magnet unit. A noise prevention unit is provided which is arranged between the magnet unit and the housing unit enclosing the magnet unit and which has at least one noise prevention element made of an insulating foam. The at least one noise prevention element has a D-shaped cross-sectional area.

Abstract: A switching unit for an electrical switching device, in particular an electrical circuit breaker, is disclosed. The switching unit includes a switching lock with a switching mechanism and a rotor housing with a contact arm disposed therein for opening and closing contacts during a rotation of the rotor housing about a rotation axis. In an embodiment, at least one lever apparatus is functionally connected at its upper end by way of the switching mechanism and at its lower end by way of a connecting pin to a face of the rotor housing.

Abstract: A switching device include at least two switching poles. Each of the switching poles has one current path and one switching contact system for opening and closing the current path, wherein a movable contact arrangement of the switching contact system of the switching poles has an integral switching shaft segment, formed from insulating material, which bears a contact lever arrangement and in which the switching shaft segments of adjacent switching poles are connected by way of at least two connecting branches; so as to form the switching shaft. The connecting branches extending at a distance parallel to the axis of rotation and are formed from corresponding connecting elements. In at least one embodiment, all of the connection elements of the at least two connecting branches are formed by first sections of the integral switching shaft segments, which bear the contact lever arrangements.

Abstract: A circuit breaker is disclosed, in particular for low voltages, having a switch shaft and a contact lever rotationally mounted and extending transverse to the longitudinal axis of the switch shaft and protruding out of the switch shaft, the shaft carrying a movable contact on a side of the outer contour of the contact piece, and including a recess on the opposite side of the outer contour thereof for suspending a pin having a force applied thereto on both sides of the contact lever by way of one spring each, each applying a torque to the contact lever in the closing direction. The two springs each include a cover element extending along the spring and each disposed between the spring and the arc formed between the contact pieces when the circuit breaker is opened.

Abstract: An electric switch is disclosed. In at least one embodiment, the switch includes a rotor housing; at least one electric contact arm, rotatably mounted in the rotor housing and being pivotable between an on-position and an off-position as well as relative to the rotor housing; and at least one intermediate part which, in a locking position, locks the pivotable contact arm with the rotor housing and, in the event of a relative rotation between the pivotable contact arm and the rotor housing, is moved away from the predefined locking position.

Abstract: A magnetic resonance apparatus is proposed. The magnetic resonance apparatus has a magnet unit, magnet housing and a housing unit surrounding the magnet unit. The housing unit includes at least one support structure unit and a cladding unit. The cladding unit has at least one first layer, which includes a sound absorption element, and at least one second layer, which includes a heavy mass layer.