A compressor may include a shell, a compression mechanism, a driveshaft, a motor assembly, and a stator support member. The compression mechanism is disposed within the shell. The driveshaft drivingly is engaged with the compression mechanism. The motor assembly may be disposed within the shell and is drivingly engaged with the driveshaft. The motor assembly includes a rotor and a stator. The stator is fixed relative to the shell. The rotor may include an axially extending portion and a radially extending portion. The axially extending portion may be disposed radially outward relative to the stator. The radially extending portion may engage the driveshaft and may be disposed axially between the stator and the compression mechanism. The stator support member may be fixed relative to the shell and the stator. The stator support member may extend longitudinally through at least a portion of the stator.

A gas ejection apparatus includes: a cylinder having a rotating member that rotates within the cylinder; a motor coupled to the rotating member of the cylinder and that causes gas to be compressed inside the cylinder and to be ejected from the cylinder by causing rotation of the rotating member; a control circuit board that controls the motor; and a case in which the cylinder, the motor and the control circuit board are disposed. The case extends in a planar direction and has side surfaces that are orthogonal to the planar direction. The motor and the cylinder are arranged adjacent to each other in the planar direction of the case. The control circuit board is disposed adjacent to and substantially parallel to one of the side surfaces of the case.

A screw compressor for a heating, ventilation, and air conditioning (HVAC) system. The screw compressor includes a housing having an inlet end and an outlet end for refrigerant to pass into and out of the housing. A motor is within the housing. A plurality of screw sets are arranged about the motor. The screw sets receive refrigerant entering through the inlet, compress the refrigerant between meshed rotors of the plurality of screw sets, and direct refrigerant out of the housing through the outlet end of the housing.

An electric compressor is provided, comprising a motor part comprising a stator and a rotor, an inverter electrically coupled to the motor part, a compression part coupled to the motor part, and an electrically conductive part configured to electrically connect the motor part and the inverter. The electrically conductive part comprises a support member forming a body, a terminal member, and an elastic member provided between the support member and the terminal member facing the inverter. The inverter is configured to apply a control signal to the motor part, and the compression part may be configured to rotate along a rotation of the motor part to compress refrigerant. The terminal member is inserted through and coupled to the support member and is electrically coupled to the inverter. The elastic member is compressed or stretched by vibration generated in the motor part to store a restoring force.

The scroll compressor (2) comprises a hermetic enclosure (3) comprising a midshell (4), an upper cap (5) and a baseplate (6), the baseplate (6) comprising a mounting base (32) having a plate shape and including a central opening (33), and a central cap (28) arranged within the central opening (33), the central cap (28) comprising a concave portion (29) and a first cylindrical rim portion (30) extending upwardly and having an outer diameter substantially corresponding to an inner diameter of the midshell (4); a compression unit (11) configured to compress refrigerant; and an electric motor (21) configured to drive the compression unit (11) via a drive shaft (19). The mounting base (32) comprises a second cylindrical rim portion (34) extending upwardly and surrounding the central opening (33), wherein an inner diameter of the second cylindrical rim portion (34) substantially corresponds to the inner diameter of the midshell (4) and to an outer diameter of the first cylindrical rim portion (30).

The invention relates to a compressor system for generating compressed air. It comprises a drive, a driven compressor, a lubricant cooler, a compressed air cooler and a blower unit. The blower unit has at least two blowers that can be controlled independent of one another, which convey cooling air to first and second cooling chambers that are separated from one another, wherein the first cooling chamber conveys the cooling air to the lubricant cooler, and the second cooling chamber conveys the cooling air to the compressed air cooler. The lubricant cooler and the compressed air cooler have an arrangement that is offset to one another in such a way that the axes of their inflow and outflow flanges, arranged on their lateral walls, are located in different planes. The invention also relates to a method for operating a compressor system that generates compressed air, wherein at least two control signals that are independent of one another are provided for two blowers.

A compressor system (01) with a system housing (02), in which are arranged heat generating system components (06) comprising at least one compressor stage (201) for compressing a gaseous medium, an air water cooler (12), a blower (15) which generates a cooling air flow (16), and air conducting elements. A cooling air channel (07) is configured which has an inlet opening (08) in the upper section of the system housing (02) and an outlet opening (09) in the lower section of the system housing (02), wherein upper air conducting elements (13) are positioned in order to conduct the cooling air flow (16) after flowing through the air water cooler (12) to the inlet opening (08), and lower air conducting elements (17) are positioned in order to conduct the cooling air flow (16) from the outlet opening (09) to the system components (06).

According to one embodiment, a horizontal compressor comprises a container accommodating a compression mechanism unit and an electric motor unit, a first leg fixed to the container near the motor unit, a second leg fixed to an end of the container on the compression mechanism unit side, an accumulator between the legs, and a joint port in the container. The second leg includes a first support portion supporting the container in a horizontal attitude, and a second support portion supporting the container standing in a vertical attitude. The first support portion extends in a direction away from the joint port relative to the second support portion.

An arrangement of an electric vacuum pump, for example, in a vehicle, wherein a mounting element is provided on which the vacuum pump is installed, and wherein the vacuum pump comprises a pump chamber part and a motor part, and wherein a longitudinal axis extends through the pump chamber part and the motor part. According to the invention, the vacuum pump has a horizontal arrangement with respect to a gravitational direction, wherein the installation of the vacuum pump on the mounting element is limited to two mounting points, and wherein a center of gravity of the vacuum pump lies on a connection axis between the two mounting points.

Mobile means of transport (100) with a pump apparatus (1) and mobile pump apparatus (1) for use in mobile means of transport (100) such as semitrailers, tank trailers, tank semitrailers (101), tank trucks and trucks (102), comprising a drive motor (40) and a rotary piston pump (2). The drive motor (40) comprises a motor shaft (41) for driving the rotary piston pump (2). The rotary piston pump (2) comprises a housing (3) and two pump openings (4, 5) configured thereon, one of which serves as a pump inlet (4) and the other, as a pump outlet (5).

The rotary piston pump (2) comprises at least two rotor units (10, 20) rotatably accommodated in the housing (3) in a pump chamber (6) for conveying a fluid from the pump inlet (4) to the pump outlet (5). The two rotor units (10, 20) are accommodated on rotatably mounted rotor shafts (11, 21), each rotor shaft (11, 21) being equipped with a rotor gear wheel (12, 22) arranged outside the pump chamber (6). A drive pinion (32) of a drive shaft (31) of the rotary piston pump (2) is coupled to one of the rotor gear wheels (12). The motor shaft (41) of the drive motor (40) has a recess (81) at its front end (41a), where the drive shaft (31) of the rotary piston pump (2) is accommodated and coupled to the drive shaft (31).