Abstract: An apparatus having a stator and a rotor which are arranged inside a housing extending along a common longitudinal axis, wherein the stator encloses the rotor in a radial direction. A space is formed between an inside of a wall of the housing and an outside of a wall of the stator. The housing has a first housing element and a second housing element that are arranged with their contact surfaces aligned with each other thus sealing the housing. Thereby, a sealing element is arranged between the contact surfaces of the housing elements. The sealing element has the shape of an annular disc with a circumferential form and at least one sealing area. In the circumferential direction, the form corresponds to a contour of the contact surfaces. The sealing area is designed to at least partially enclose the space.

Abstract: A refrigerant compressor which has a drive unit and a compressor unit coupled thereto, wherein the drive unit has a motor housing through which refrigerant can flow and accommodates an electric motor with a rotatable shaft, wherein the compressor unit accommodates a scroll compressor which is driven by the shaft, wherein the motor housing includes a housing wall exposed to sucked-in refrigerant and an inverter unit joined thereto and accommodates an inverter circuit board, forming a fluid-tight inverter housing, wherein the inverter circuit board has a component arrangement formed with heat-producing electronic components, in particular with at least one DC link capacitor and multiple electronic power switches, and has at least two different component heights perpendicular to the inverter circuit board and is accommodated in multiple mouldings, which are formed according to the component heights, on the refrigerant-exposed housing wall and is thermally coupled to said mouldings.

Abstract: An electric compressor capable of preventing the occurrence of pulsation noise by increasing a volume of a discharge chamber. The electric compressor includes a housing, a compression unit, a driving unit in the housing which drives the compression unit, a rear housing having a discharge chamber through which refrigerant compressed in the compression unit is discharged, an oil separator disposed in the discharge chamber, and a bleed unit configured to communicate with a lower side of the oil separator so that some oil contained in the refrigerant discharged to the discharge chamber moves toward the oil separator.

Abstract: A bypass arrangement having a first flow duct with a refrigerant flow path miming through the heat exchanger, a second flow duct, which leads as a bypass refrigerant flow path into the first flow duct downstream of the heat exchanger in the refrigerant flow direction, and one valve with an inlet for refrigerant, a first refrigerant outlet connected to the first flow duct, and a second refrigerant outlet connected to the second flow duct, wherein the valve has a valve element with a passage and an expansion recess, which valve element can be flow-connected to the first refrigerant outlet or to the second refrigerant outlet wherein refrigerant passes through the first flow duct and the heat exchanger or through the bypass refrigerant flow path of the second flow duct, circumventing the heat exchanger, and the refrigerant can be expanded into the first flow duct or the second flow duct.

Abstract: A valve housing includes a housing body configured to accommodate a valve rotor and a channel block having a plurality of channels provided in the inside thereof. The housing body has a plurality of ports formed therein. Each of the ports is configured to communicate with a valve rotor. The channel block has at least one partition wall provided in the inside thereof. The partition wall is configured to partition the channel block into the plurality of channels and the channels are connected to the respective ports.

Abstract: A multi-valve includes a valve housing having a plurality of first ports along a first column and a plurality of second ports along a second column and includes a valve rotor disposed inside the valve housing and configured to be rotatable according to an air-conditioning mode. The valve rotor has a plurality of communication flow paths each configured to connect one port of the plurality of ports to one or more other ports thereof. Based on first ports of the first column being a first port group and second ports of the second column being a second port group, the first ports in the first port group and the second ports in the second port group are disposed alternately with a predetermined interval between the first and second port groups.

Abstract: An arrangement and a method for discharging a DC link capacitor, is based on the object of specifying a solution with which the DC link capacitor is discharged to values below the safety extra-low voltage within a specified time in the event of a hazard or malfunction, for example, if the high-voltage supply is disconnected or interrupted, and with which the lowest possible power loss results from the arrangement during normal operation. This object is achieved by the arrangement in that the means which discharges the DC link capacitor is a controllable discharge means which is constructed from a series circuit of a discharge resistor and a controllable resistor, and wherein the controllable discharge means is arranged parallel to the DC link capacitor.

Abstract: The present invention relates to a manifold fluid module. A manifold fluid module according to an embodiment of the present invention may include a manifold plate comprising a fluid passage formed internally, and a heat exchanger coupled to the manifold plate, configured to exchange heat between a first fluid and a second fluid, and comprising a first inlet port for inlet of the first fluid, a first outlet port for outlet of the first fluid, a second inlet port for inlet of the second fluid, and a second outlet port for outlet of the second fluid, wherein the first inlet port and the first outlet port of the heat exchanger may connected to communicate with the fluid passage, one of the first inlet port or the outlet port being directly connected to the manifold plate, the other being connected to a fluid pipe.

Abstract: An object of the present invention is to provide a heat exchanger that is structurally coupled to an endplate without a process of welding a connection member. To achieve the above-mentioned object, a heat exchanger according to the present invention may include a plurality of main plates each including a through-hole through which a heat exchange medium flows, and an outer wall formed at a periphery thereof, the plurality of main plates being stacked to constitute a heat exchanger core having a flow path formed therein, an endplate being in surface contact with the main plate disposed at an outermost side of the heat exchanger core, the endplate having one or more connection holes, and a connection member configured to be connected to an external component and at least partially inserted into the connection hole.

Abstract: The present invention relates to a hub housing applied to a driving motor of a cooling fan. According to the hub housing of the present invention according to the above configuration, the open structure such as a hole may be formed in the side surface of the hub housing to discharge foreign substances introduced therein, thereby preventing the foreign substances from accumulating in the hub and solving a fan unbalance problem due to the accumulation of the foreign substances, and since a separate sealing material (sponge or the like) for blocking the path along which foreign substances such as sand and dust flows into the inner space of the hub is not required, it is possible to reduce manufacturing costs.

Abstract: An embodiment of the present invention provides a vehicle heat pump system including a compressor configured to compress and circulate a refrigerant, a condenser configured to condense the compressed refrigerant, a first expansion valve configured to expand the condensed refrigerant, an evaporator configured to evaporate the refrigerant expanded by the first expansion valve by allowing the refrigerant to exchange heat with a coolant, a cabin cooler configured to cool a vehicle interior by allowing the coolant having passed through the evaporator to exchange heat with air, and a radiator configured to allow the coolant for cooling an electrical component to exchange heat with outside air, in which the coolant having passed through the radiator flows into the evaporator in a heating mode.

Abstract: A vehicle heat management system includes a refrigerant circulation line configured to generate heat or cold air depending on the direction of flow of a refrigerant, a heater core-side coolant circulation line configured to transfer the heat of the refrigerant generated in the refrigerant circulation line to a vehicle interior-side heater core to heat a vehicle interior, a battery-side coolant circulation line configured to circulate a coolant to a battery, a water-cooled heat exchanger configured to transfer the heat of the refrigerant generated in the refrigerant circulation line to the coolant in the heater core-side coolant circulation line, an electric heater configured to heat the coolant in the heater core-side coolant circulation line, and a coolant flow control part configured to circulate the coolant in the heater core-side coolant circulation line.

Abstract: An air-conditioning apparatus for a vehicle is provided, including an air-conditioning case with an inlet portion and a discharge port, and a first partition wall partitioning the inner space thereof into a first space portion and a second space portion, a cooling heat exchanger arranged in the air-conditioning case through the first space portion and the second space portion, and connected to the inlet portion, and a heating heat exchanger arranged in the air-conditioning case through the first space portion and the second space portion, where the air-conditioning case includes a second partition wall which partitions the second space portion into a plurality of space portions, and where a first door is arranged in a third space portion from among the plurality of space portions and disposed behind the heating heat exchanger.

Abstract: An electric compressor including a motor configured to generate power, a compression mechanism configured to compress a refrigerant by receiving power from the motor, an inverter configured to control the motor, a connector connected to an external device, a power line extending from the connector to the inverter to transmit electric power, which is supplied from the external device, to the inverter, and an interlock line extending from the connector to the inverter to transmit a signal to the inverter when the connector is separated from the external device, in which the power line and the interlock line are formed in different ways, thereby preventing insulation breakdown between the power line and the interlock line, easily assembling the power line and the inverter, and easily assembling the interlock line and the inverter.

Abstract: Disclosed is an end cell heater for a fuel cell, including a heater plate formed with a first electrode terminal and a sealing groove, a heating element formed with a second electrode terminal, a guide member coupled to the heating element, and a sealing member interposed between a side wall of the sealing groove and a side wall of the guide member and sealing a space therebetween, so that coolant or water can be definitely prevented from flowing into an electrical connecting portion between a heating element and an electrode terminal, thereby improving the safe insulation and reliable durability of the fuel cell.

Abstract: An electric compressor, including: a motor configured to generate power; a compression mechanism configured to compress a refrigerant by receiving power from the motor; an inverter configured to control the motor; a connector connected to an external device; a power terminal extending from the connecter to the inverter so as to deliver power supplied from the external device to the inverter; and an interlock wire extending from the connector to the inverter so as to deliver a signal to the inverter when the connecter is detached from the external device, and a fixing member fixed to a board of the inverter while supporting the interlock wire may be provided, thereby it is possible to prevent the interlock wire from being damaged to an extent to which the cost, the size, and the weight are not dramatically increased.

Abstract: An electric dust filter is provided, which includes: a dust collection part configured to collect foreign substances that includes first and second electrode plates installed in one or more pairs on an air flow path leading to a vehicle interior so as to form an air flow path therebetween, the first and second electrode plates configured to generate an electric field in a specific direction therebetween using voltages with different magnitudes and collect foreign substances having a specific charge by an attractive force; and a control part configured to variably control the magnitudes of voltages applied to the first and second electrode plates according to a preset logic so that the attractive forces of the first and second electrode plates for the foreign substances having a specific charge can be alternately changed while reversing the direction of the electric field formed between the first and second electrode plates.

Abstract: An electric compressor includes a motor configured to generate power; a compression mechanism configured to be driven by the motor and to compress a refrigerant; an inverter configured to control the motor; and a connector configured to include a terminal pin connecting the motor and the inverter, a plate supporting the terminal pin, and an insulator that insulates between the terminal pin and the plate, wherein at least a portion of the insulator is formed to be surrounded by the terminal pin, so that it is possible to suppress the increase in cost, weight, and size due to the connector.

Abstract: The present invention relates to an airfoil bearing applied for an ultra-high speed operation of a rotating apparatus, and more particularly, to an airfoil bearing having a structure in which a bump foil key at one end of a bump foil and a bump foil key at the other end of the bump foil are formed asymmetrically, which may improve driving performance and durability performance against disturbance.

Abstract: Disclosed is a method for controlling a vehicle air-conditioning system and a compressor to which the method for controlling a vehicle air-conditioning system is applied. The embodiments of the present disclosure may precisely sense changes in the refrigerant amount of a mechanical or an electrical compressor, thereby making it possible to stably operate the compressor.