Abstract: An electric machine may include a stator, a rotor, a housing, and at least one heat transmission body. The housing may at least partially surround a housing interior. The housing may include a plurality of housing parts, which may bound the housing interior and on which the rotor is rotatably mounted via a bearing device. The heat transmission body may be arranged along the axial direction between at least one housing part of the plurality of housing parts and the rotor. The at least one heat transmission body and the at least one housing part may bound a coolant space through which a coolant is flowable. At least one of the plurality of housing parts may include an attachment section to which the at least one heat transmission body is attached. The bearing device may be disposed on the attachment section.

Abstract: An electric compressor includes a housing, refrigerant inlet port, a refrigerant outlet port, an inverter section, a motor section, a compression device and a front cover. The housing defines an intake volume and a discharge volume. The refrigerant inlet port is coupled to the housing and is configured to introduce the refrigerant to the intake volume. The compression device is a scroll-type compression device configured to compress the refrigerant. The refrigerant outlet port is coupled to the housing and is configured to allow compressed refrigerant to exit the scroll-type electric compressor from the discharge volume.

Abstract: A filter includes an end cap having a top surface, and a circumferential collar extending from the top surface, the circumferential collar having a radial surface that engages radially with one or more fingers that extend from an inner surface of a filter housing cover, a filter base, a filter element positioned between the end cap and the filter base, and a pin extending below the filter base.

Abstract: A temperature-control device of an energy store, e.g., in a motor vehicle, is disclosed. The temperature-control device includes a first circuit, in which a first heat transfer unit and the energy store to be temperature-controlled are arranged and connected to one another in a heat-transferring manner via a first heat transfer medium, and a second circuit, in which a second heat transfer unit and the first heat transfer unit are arranged and connected to one another in a heat-transferring manner via a second heat transfer medium. In at least one line of the first circuit and/or at least one line of the second circuit a predetermined breaking point and/or a predetermined bending point is arranged which upon a predefined force effect interrupts a flow of fluid therethrough.

Abstract: A valve unit includes an actuator, a first valve and a second valve. The first/second valve includes a first/second valve housing and a first/second valve body. The first/second valve body is rotatably arranged in the first/second valve housing. The two valves are arranged coaxially to one another and rotatable about a common adjusting axis. The actuator is non-releasably coupled to the first valve body and releasably coupled to the second valve body via the first valve body. The first valve body is rotatable in a first and second direction of rotation with the actuator. The second valve body in the coupled state is co-rotatable with the first valve body in the first/second direction of rotation and in the decoupled state is not co-rotatable with the first valve body at least in the second direction of rotation. In addition, a method for adjusting the valve unit is provided.

Abstract: A plurality of spacer devices for incorporation into a bent-tube heat exchanger that includes a spine and one or more fingers that protrude from opposite sides of the spine. The fingers are configured to exert a force against the tubes and to provide and maintain a separation between the tubes in the folded region. A heat exchanger includes a plurality of the spacer devices, such that one spacer device is positioned on every two tubes. The tubes may also include a coating in the folded region in order to reduce corrosion and increase the life-time of the heat exchanger. The method of forming the heat exchanger includes placing one of the spacer devices on every other tube, such that the fingers lay on the tubes in the region to be folded and assist in the folding process.

Abstract: A coaxial tube arrangement for a heat exchanger may include a coaxial tube and a closing cover. The coaxial tube may include an inner core channel and an outer annular channel. The closing cover may close the coaxial tube at a longitudinal end side. The closing cover may have a base region and a circumferential edge. The base region may be aligned transversely to a flow direction through the coaxial tube. The circumferential edge may be aligned with the flow direction and may face the coaxial tube. The circumferential edge may have a thickness, which is defined transversely to the flow direction, that is equal to or greater than a height of the annular channel, which is defined transversely to the flow direction. The circumferential edge may cover the annular channel transversely to the flow direction and may separate the annular channel from the core channel in a fluid-tight manner.

Abstract: A heat exchanger having a first heat transfer area, a second heat transfer area, a fluid collector and a valve unit as a single unit. The first heat transfer area has a first fluid path and a second fluid path. The first fluid path is in thermal contact with the second fluid path. The second heat transfer path has a third fluid path and a fourth fluid path. The third fluid path is in thermal contact with the fourth fluid path. The fluid collector has a first fluid inlet and a first fluid outlet for inflow into the fluid collector for storage in the fluid collector and for outflow from the fluid collector. The valve unit controls the fluid flow through the first heat transfer area, the second heat transfer area and/or the fluid collector in at least one first operating state for air conditioning cycle operation and/or in at least one second operating state for heat pump circuit operation.

Abstract: A heat exchanger with a heat transfer area, with a fluid collector and with a valve unit. The heat transfer area has a first fluid path for a first fluid flow and a second fluid path for the second fluid to flow through. The first fluid path is in thermal contact with the second fluid path for heat transfer between the first fluid and the second fluid. The fluid collector has a first fluid inlet and a first fluid outlet for the inflow of the first fluid into the fluid collector for the storage of the first fluid in the fluid collector and for the outflow of the first fluid from the fluid collector. The valve unit is provided and designed to control the fluid flow through the heat transfer area and/or the fluid collector. The heat transfer area, the fluid collector and the valve unit are designed as a single unit.

Abstract: An electric machine includes a rotor rotatable about a rotational axis, by which an axial direction is defined, and a stator with stator windings, a coolant distributor space and a coolant collector space. The coolant distributor space communicates fluidically with the coolant collector space to cool the stator windings with a cooling duct. The stator includes stator teeth supporting the stator windings and protruding radially inward from a stator body of the stator. A stator groove is formed between two stator teeth which has a radially outer groove zone extending radially inward away from the stator body into a radially inner groove zone, the radially inner zone width of which is smaller than the radially outer zone width, when measured along the circumferential direction, of the radially outer groove zone. At least one stator winding is embedded, for thermal coupling, into an electrically insulating plastic arranged in the stator groove.

Abstract: A system may include at least one stationary inductive charging device for inductively charging a motor vehicle and at least one compressor. The charging device may include a base plate, a cover, an interior volume defined between the base plate and the cover, a coil, a magnetic flux guiding unit, an intermediate wall, an inlet, and an outlet. The intermediate wall may divide the interior volume into a distribution chamber and a receiving chamber. The coil and the magnetic flux guiding unit may be arranged in the receiving chamber. The inlet may be arranged on a pressure side of the compressor such that compressed gas flows into the distribution chamber via the inlet. The intermediate wall may define at least one passage fluidically connecting the distribution chamber and the receiving chamber such that gas flows into the receiving chamber via the passage with reduced pressure.

Abstract: A piston for an internal combustion engine and a method for producing a piston are disclosed. The piston includes an upper piston part and a lower piston part that together delimit a circumferential cooling channel for receiving a cooling medium both radially inside and radially outside. The upper piston part and the lower piston part are connected to one another via a radially outer weld connection and a radially inner weld connection. The radially outer weld connection includes a radially outer weld bead that projects radially inwards into the cooling channel for forming a deflection element for the cooling medium received in the cooling channel.

Abstract: A heat exchanger including a heat exchanger block having first fluid channels and second fluid channels, including a fluid collector, the first fluid channels having a first fluid channel section and a second fluid channel section. A first fluid inlet is provided, which is fluidically connected to the first fluid channel section of the first fluid channels. A first fluid outlet is fluidically connected to the first fluid channel section of the first fluid channels. A second fluid inlet is fluidically connected to the second fluid channel section of the first fluid channels. A second fluid outlet is fluidically connected to the second fluid channel section of the first fluid channels. The fluid collector has a third fluid inlet, a third fluid outlet, and a fourth fluid inlet, which is fluidically connected to the second fluid channels. A fourth fluid outlet is fluidically connected to the second fluid channels.

Abstract: A fluid collector having a housing having a tubular circumferential wall with a first end face having a first opening and with a second end face having a second opening, which is situated opposite the first opening of the first end face, a first cover being provided, which closes the first opening on the first end face, and a second cover being provided, which closes the second opening on the second end face. The tubular circumferential wall has an area with an, in particular, planar connecting surface, on which at least one flange element is arranged and fastened as a connecting element, at least one bore or one channel being provided in the area having the connecting surface, which fluidically connects the interior of the housing to the at least one connecting element.

Abstract: A ventilation device may include first and second supply ducts, a mixing section having a mixing duct into which the first and second supply ducts may lead, the first and second supply ducts arranged in the mixing section adjacent one another in a transverse direction, and first and second guides in the mixing section each running in the transverse direction and being located opposite one another in a longitudinal direction running transversely to the transverse direction, each guide having two guide walls running in the transverse direction and located opposite one another in a height direction running transversely to the transverse direction and longitudinal direction, at least one of the guide walls sloping away from the other guide wall at a slope angle with respect to the longitudinal direction.

Abstract: A method for producing a flat tube for a heat exchanger, in particular for a motor vehicle, having a first wall, a second wall opposite to the first wall, having a third wall connecting the first and second wall, having a fourth wall connecting the second and first wall, wherein the first and second wall are longer than the third and fourth wall, having an interior for a medium to flow through, wherein a turbulence insert is arranged in the interior, wherein the method comprises at least the following process steps: —providing a plate material—forming the plate material into an intermediate tube in such a way that the plate material is crowned in at least two sections and the sections at least partially form the first and second wall of the flat tube and the intermediate tube forms an opening in the area one of the two third or fourth walls—providing and inserting a turbulence insert into the interior—closing the opening by means of a welding method.

Abstract: A layer-sintered valve seat ring is disclosed. The layer-sintered valve seat ring includes at least two materials including a function material for a tribological contact with an opposite runner and a support material for the function material. The support material includes: C: 0.5 to 1.8% by weight; Cr: 3 to 16% by weight; Mo: 1 to 5% by weight; W: 0.5 to 5.5% by weight; V: 0.4 to 4.0% by weight; Cu: 12 to 25% by weight; Fe: 41.3 to 82.6% by weight; Mn: up to 0.6% by weight; Si: up to 1.8% by weight; and a remainder of production-related contamination in the form of at least one of Ni, Co, Ca, P, and S that are present in contents of <0.3% by weight each.

Abstract: A housing may include a first housing part and a second housing part. The first housing part may include a first latching contour having at least one first latching lug. The first housing part may include at least one further latching contour having at least one further latching lug. The second housing part may be connected to the first housing part via a latching connection. The second housing part may include at least one counter-latching contour.

Abstract: An electric compressor includes a housing, refrigerant inlet port, a refrigerant outlet port, an inverter section, a motor section, a compression device and a front cover. The housing defines an intake volume and a discharge volume. The refrigerant inlet port is coupled to the housing and is configured to introduce the refrigerant to the intake volume. The compression device is a scroll-type compression device configured to compress the refrigerant. The refrigerant outlet port is coupled to the housing and is configured to allow compressed refrigerant to exit the scroll-type electric compressor from the discharge volume.

Abstract: An electronic circuit arrangement for a fuel cell arrangement may include a first electrical voltage converter stage and a second electrical voltage converter stage. An electrical fuel cell voltage may be appliable to the first electrical voltage converter stage on an input side. The electrical fuel cell voltage may be convertible into a first electrical output voltage of the first electrical voltage converter stage via the first electrical voltage converter stage. The first electrical output voltage may be appliable to the second electrical voltage converter stage on an input side. The first electrical output voltage may be convertible into a second electrical output voltage of the second electrical voltage converter stage via the second electrical voltage converter stage. An electrical interconnection of the first electrical voltage converter stage and the second electrical voltage converter stage may be switchable between a first interconnection state and a second interconnection state.