Abstract: A driving unit includes a rotary electric machine which has a rotation axis extending in a horizontal direction, a rotary electric machine case, and an electric power conversion device. The electric power conversion device is disposed on one side of the rotary electric machine in an orthogonal direction. A first coolant is stored in a rotary electric machine accommodating portion of the rotary electric machine case. The driving unit has a first connecting portion electrically connecting the rotary electric machine and the electric power conversion device and a second connecting portion electrically connecting a sensor provided to the rotary electric machine and the electric power conversion device. The first connecting portion and the second connecting portion are disposed between the rotary electric machine and the electric power conversion device in the orthogonal direction.

Abstract: In a rotating electric machine system, a rotating shaft of a rotating electric machine includes a first end part and a second end part. The first end part includes a projecting distal end that projects out to the exterior of a rotating electric machine housing. A rotational parameter detector is disposed on the projecting distal end. Electric terminal portions electrically connected to the rotating electric machine are disposed at one end part of the rotating electric machine housing. When viewed from a side along an axial direction of the rotating electric machine system, the electric terminal portions and the rotational parameter detector are arranged in parallel.

Abstract: A stator of a rotating electric machine system includes a neutral point terminal that is formed in conductive wires that are pulled out from electromagnetic coils. The rotating electric machine system includes a partition member accommodated in a housing. A first wall surface of the partition member faces toward an end part of a coil end portion in an axial direction which includes end parts of the electromagnetic coils. A concave portion recessed in a direction away from the coil end portion is formed in the first wall surface. A liquid coolant flows between the neutral point terminal and a bottom surface of the concave portion.

Abstract: A rotating electric machine system is equipped with a partition wall member for partitioning the interior of a housing into a rotor chamber and a stator chamber. A first sealing member is interposed between a first end of the partition wall member and the partition member. A second sealing member is interposed between a second end of the partition wall member and the housing. In such a configuration, at least one of an end surface of the first end or an end surface of the second end of the partition wall member is a non-contact surface that does not come into contact with any member.

Abstract: A rotor of a rotating electric machine includes a rotating shaft. A coolant flow path is formed in the rotating shaft. The coolant flow path includes a first flow path and a second flow path. The first flow path extends from one end part of the rotating shaft toward another end part along an axial direction of the rotating shaft. The second flow path extends toward the other end part of the rotating shaft on an outer circumferential side of the first flow path. The coolant flow path further includes a communication flow path. The first flow path and the second flow path communicate with each other via the communication flow path.

Abstract: In a rotating electric machine system, a neutral point fixing structure includes a neutral point terminal disposed at a neutral point, an insulating member disposed between the neutral point terminal and a coil end portion, and a coolant passage in order to allow a liquid coolant to pass between the neutral point terminal and the insulating member. The neutral point terminal is fixed to the coil end portion via the insulating member.

Abstract: A thrust generator for a rotorcraft includes: a support part conductively mounted to a conductive base provided in the rotorcraft; a rotor shaft rotatably and conductively supported by the support part; multiple rotating blades joined to the rotor shaft; and a drive unit mounted to the support part via a first electrically insulating part, wherein an output shaft of the drive unit is connected to the rotor shaft via a second electrically insulating part.

Abstract: In a rotary electric machine housing, a first bearing and a second bearing are provided for supporting a rotating shaft. The rotary electric machine housing includes a sub-housing. A collection flow path is formed in the sub-housing, and communicates with a plurality of air bleed passages formed in a gas turbine engine, collectively.

Abstract: A combined power system includes a rotary electric machine system and an internal combustion engine. The rotary electric machine system includes a rotating shaft. A first end part and a second end part of the rotating shaft are rotatably supported by a rotary electric machine housing via a first bearing and a second bearing, respectively. The internal combustion engine includes an output shaft. One end of the rotating shaft in an axial direction is connected to one end of the output shaft.

Abstract: A compressor wheel is provided for the output shaft. Air bleed ports are formed in a shroud case that surrounds the compressor wheel. A plurality of air bleed passages are formed in the engine housing that surrounds the shroud case. An annular chamber is formed between the air bleed ports and the air bleed passages, for storing compressed air that is extracted from the air bleed ports.

Abstract: A rotary electric machine system of a combined power system includes a rotary electric machine, a rotary electric machine housing in which the rotary electric machine is accommodated, and a rotation parameter detector that detects a rotation parameter of a rotating shaft constituting the rotary electric machine. The rotating shaft includes a first end part and a second end part, a first bearing is provided between the first end part and the housing, and a second bearing is provided between the second end part and the housing. The first end part includes a protruding distal end that passes through the first bearing and protrudes to an exterior of the housing. The rotation parameter detector is disposed on the protruding distal end.

Abstract: A rotor core of a rotating electric machine includes a cooling passage. The cooling passage includes an upstream end that opens in a first end surface of the rotor core and a downstream end that opens in a second end surface of the rotor core. The rotating electric machine is further equipped with a rectifying structure for converting the flow direction of gas an axial direction and a circumferential direction of the rotor. The rectifying structure is fixed to a non-rotating portion in a casing so as to face a rotor in an axial direction.

Abstract: A rotary electric machine system making part of a combined power system is equipped with a rotary electric machine having a rotor including a rotating shaft and a rotary electric machine housing in which the rotary electric machine is accommodated. In such a rotary electric machine, a first bearing and a second bearing are disposed between the rotary electric machine housing and the rotating shaft. The gas supplied from the gas supply source flows on an upstream side through a terminal casing in which electric terminal portions are accommodated, and on a downstream side through the first bearing and the second bearing inside the rotary electric machine housing.

Abstract: In a rotary electric machine housing, a first bearing and a second bearing are provided for supporting a rotating shaft. A lubricating oil is supplied to the first bearing and the second bearing. At least one of the first bearing or the second bearing is sandwiched between the compressed air supplied from one side of the rotating shaft in an axial direction thereof and the compressed air supplied from another side of the rotating shaft in the axial direction.

Abstract: A rotor that constitutes part of a rotating electric machine system includes a rotating shaft. The rotating shaft is supported in a rotating electric machine housing via a first bearing and a second bearing. An oil circulation supply device supplies lubricating oil to the first bearing and the second bearing via a first oil supply line. Further, the oil circulation supply device supplies lubricating oil as a cooling oil via a second oil supply line, with respect to a housing internal oil passage in which a stator of the rotating electric machine system is accommodated. The first oil supply line and the second oil supply line are separate lines.

Abstract: A rotating electric machine system includes a rotor and a stator. A rotor internal oil passage is formed in the interior of the rotor. The rotor is cooled by a first cooling oil serving as a lubricating oil that flows through a rotor internal oil passage. A housing internal oil passage is formed in a rotating electric machine housing. The stator is cooled by a second cooling oil serving as a lubricating oil that flows through the housing internal oil passage. A route by which the first cooling oil is supplied to the rotor internal oil passage, and a route by which the second cooling oil is supplied to the housing internal oil passage are different from each other.

Abstract: A rotating electric machine system includes a rotor and a stator. A partition wall member is interposed between the rotor and the stator. The partition wall member forms a rotor chamber and a housing internal oil passage in a rotating electric machine housing. A separation distance between the rotor and an inner circumferential wall of the partition wall member is defined as an inner side separation distance. A separation distance between an outer circumferential wall of the partition wall member and a stator is defined as an outer side separation distance. The inner side separation distance is greater than the outer side separation distance.

Abstract: A rotating electric machine housing of a rotating electric machine system supports a rotating shaft via a first bearing and a second bearing. A housing internal oil passage is formed inside the rotating electric machine housing. A gas supplied from a gas supplying device flows in the rotating electric machine housing. The gas flows in a first direction from the first bearing to the second bearing. A lubricating oil supplied from an oil circulation supply device flows through a housing internal oil passage. The lubricating oil flows in a second direction from the second bearing to the first bearing.

Abstract: A rotary electric machine system includes a rotary electric machine, a housing for housing the rotary electric machine, and a rotation parameter detector for detecting the rotation parameter of a rotating shaft constituting the rotary electric machine. The rotating shaft includes a first end portion and a second end portion, and a first bearing and a second bearing are provided between the housing and the first end portion, and between the housing and the second end portion, respectively. The first end portion includes a protruding tip that protrudes out of the housing through the first bearing. The rotation parameter detector is provided at the protruding tip.

Abstract: A combined power system includes a rotary electric machine housing in which a rotating shaft of a rotary electric machine is rotatably supported. For the rotary electric machine housing, a cooling jacket and compressed air flow passages are formed on an outer circumferential side of the cooling jacket. On an outer side wall of the rotary electric machine housing, a terminal casing is formed and electric terminal portions are accommodated in the terminal casing. Compressed air is supplied to the terminal casing. An electrical current converter formed on the outer side wall of the rotary electric machine housing is cooled by the cooling jacket.