Abstract: A circulation pump is proposed, comprising an electric motor with a stator, a rotor and a motor circuit, as well as a housing, in which the electric motor is disposed, wherein the housing has a first chamber, in which the stator and the rotor are disposed, and a second chamber, which is separate from the first chamber and in which at least one carrier is positioned, on which at least part of the motor circuit is disposed, and wherein the first chamber and the second chamber are connected by at least one connection opening, by means of which at least one electrical element of the motor circuit, which is disposed on the at least one carrier, is in thermal contact with the stator in the first chamber.

Abstract: A coil module for a stator of an electric motor comprising a coil holder, a coil that is disposed on the coil holder, a first web and a second web is provided, wherein situated between the first web and the second web are a first coil portion and a second coil portion for contacting with a motor circuit.

Abstract: In order to provide a circulation pump for a conveyed liquid, comprising an electric motor, which is electronically commutated and has a rotor, a stator and a motor circuit, and an impeller that is connected in a rotationally fixed manner to the rotor, with advantageous properties, it is provided that the electric motor has an evaluation device, by means of which a flow rate of conveyed liquid through the circulation pump can be determined from a rotational speed of the rotor and/or a power consumption of the electric motor, and at least one signal output is provided, at which a flow rate signal and/or flow rate-dependent switching signal can be supplied by the circulation pump.

Abstract: To create an electric motor, comprising a rotor and a stator, whereby the rotor is spherically supported, which motor has a high efficiency, it is proposed, that the rotor produces a magnetic field, that the surface of the rotor facing the stator has a spherical configuration, that the rotor and stator are adapted to each other so that a maximal magnetic attraction force which keeps the rotor on the spherical bearing is larger than the maximal axial counterforce.

Abstract: An electric motor comprising a rotor and a stator is disclosed. The rotor is supported on a substantially spherical bearing and is of a substantially spherical design facing the stator, which has a high degree of efficiency. The stator may have a magnetic return-path body which is made of a compressed powder material. The return-path body may be of a substantially spherical design, at least in segments facing the rotor.

Abstract: A valve assembly for providing hot water includes a hot water side with a hot water inlet and a cold water side. The valve assembly also includes a central channel for fluid communication between the cold water side and the hot water side and a bypass valve portion. The bypass valve portion includes a thermostatic valve adapted to substantially block the fluid communication through the central channel between the cold water side and the hot water side when a temperature of water flowing through the central channel increases above a threshold temperature. The bypass valve portion also includes a temperature adjustment portion adapted to selectively vary the threshold temperature.

Abstract: To improve a spherical bearing including a bearing body with a convex spherical surface, a holder, on which the bearing body is disposed, and a bearing shell with a concave spherical surface, the bearing shell being rotatably mounted on the bearing body, in such a way that the mounting of the bearing body on the holder can be carried out a simple and low-cost way, it is provided that the holder is made of a plastics material, and the holder and the bearing body are held non-rotatably with respect to each other. A device for preventing rotation, which holds the bearing body on the holder to be non-rotatable with respect to the holder, may be provided.

Abstract: To provide a circulation pump comprising a housing, in which a pump space is arranged, a pump impeller, which can be rotated about a rotational axis, and an electric motor to drive the pump impeller, that can be produced simply and economically, it is proposed that the housing have a receiving space for the electric motor.

Abstract: To provide a circulating pump, comprising a housing, in which a pumping space is arranged, a suction connector, which is in fluid connection with the pumping space, and a pressure connector, which is in fluid connection with the pumping space, which can be produced in a simple manner and can be used in a reliable manner, wherein the suction connector and/or pressure connector are formed on at least one connector element, which is a separate part from the housing, and wherein the connector element is fixed to the housing, it is proposed that the housing have a fixing region for fixing the at least one connector element, which is arranged above the pumping space.

Abstract: In order to make a power supply unit available for an electrical appliance, in particular, for a computer, it is suggested that said electrical appliance has a fan device, wherein a radiator for a liquid cooling device is integrated into the power supply unit.

Abstract: A cooling assembly for an electrical appliance with one or several heat sources is provided, wherein the electrical appliance has an electrical power supply unit with at least one heat source; the cooling assembly comprises a fan device for cooling the at least one heat source of the power supply unit by means of a stream of air and a liquid cooling device. The fan device is arranged such that a radiator of the liquid cooling device can be acted upon at least partially by a steam of air from the fan device.

Abstract: An electric motor comprising a rotor and a stator is disclosed. The rotor is supported on a substantially spherical bearing and is of a substantially spherical design facing the stator, which has a high degree of efficiency. The stator may have a magnetic return-path body which is made of a compressed powder material. The return-path body may be of a substantially spherical design, at least in segments facing the rotor.

Abstract: A pump particularly adapted for use in a closed fluid circuit, as within its housing a resiliently compressible chamber in contact with the fluid being conveyed by the pump so that any pressure change within the fluid caused by temperature variations can be volumetrically absorbed by compression or extension of the chamber.

Abstract: To improve a spherical bearing, comprising a bearing body with a convex spherical surface, a holder, on which the bearing body is disposed, and a bearing shell with a concave spherical surface, the bearing shell being rotatably mounted on the bearing body, in such a way that the mounting of the bearing body on the holder can be carried out a simple and low-cost way, it is provided that the holder is made of a plastics material, and the holder and the bearing body are held non-rotatably with respect to each other. A device for preventing rotation, which holds the bearing body on the holder to be non-rotatable with respect to the holder, may be provided.

Abstract: An electric motor comprising a rotor and a stator is disclosed. The rotor is supported on a substantially spherical bearing and is of a substantially spherical design facing the stator, which has a high degree of efficiency. The stator may have a magnetic return-path body which is made of a compressed powder material. The return-path body may be of a substantially spherical design, at least in segments facing the rotor.

Abstract: According to one embodiment of the invention, a heating device for a fluid in a basin includes a flow-through path for a fluid reservoir of the basin and a heater arranged in the flow-through path. The fluid is able to flow past the heater for the purpose of heating up. The device also includes at least one heating element arranged in the heater and a temperature sensor in thermal communication with the heater. The thermal communication is sufficient for the temperature sensor to determine a temperature of the heater. The temperature sensor is adapted to determine absolute temperatures and changes in temperatures based on the thermal communication.

Abstract: A heating device and method for a fluid in a basin is disclosed. The heating device includes a flow-through path which can be positioned outside a fluid reservoir of the basin. A heater is arranged in the flow-through path. The fluid can flow past the heater for the purpose of heating up the fluid. At least one heating element is arranged in the heater. An optimum switch-off control of the heating can be ensured with this arrangement. A temperature sensor may be positioned in the heater to be in thermal contact with the at least one heating element.

Abstract: An electric motor comprising a rotor and a stator is disclosed. The rotor is supported on a substantially spherical bearing and is of a substantially spherical design facing the stator, which has a high degree of efficiency. The stator may have a magnetic return-path body which is made of a compressed powder material. The return-path body may be of a substantially spherical design, at least in segments facing the rotor.

Abstract: A circulation pump for fluid and, in particular, a rotary pump with a rotatable impeller and a degassing device is suggested, wherein the degassing device comprises a gas line which opens at a first end into an area on the impeller and which opens at a second end into an area with a lower pressure in relation to an interior pressure of the circulation pump.

Abstract: An electric motor comprising a rotor and a stator is disclosed. The rotor is supported on a substantially spherical bearing and is of a substantially spherical design facing the stator, which has a high degree of efficiency. The stator may have a magnetic return-path body which is made of a compressed powder material. The return-path body may be of a substantially spherical design, at least in segments facing the rotor.