Abstract: In a combined power system, a rotating shaft of a rotating electric machine includes a hollow cylindrical outer shaft and an inner shaft inserted into the hollow interior part of the outer shaft. The inner shaft includes a projecting distal end exposed from the outer shaft. On the projecting distal end, a rotational parameter detector, a retaining member and a restraining member are disposed. The retaining member supports the rotational parameter detector at the projecting distal end. Further, the inner shaft is restrained to the outer shaft by the restraining member.

Abstract: In a rotating electric machine system, a rotating shaft retaining permanent magnets includes an oil guiding member. An annular gap is formed between the rotating shaft and the oil guiding member. Lubricating oil that has flowed through a second oil supply passage formed in a rotating electric machine housing is supplied to an annular gap. The annular gap communicates with a rotor internal oil passage.

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 rotating shaft, a bearing for supporting the rotating shaft in a housing, and a rotor internal flow path through which a liquid coolant flows. The rotor internal flow path is formed inside a rotor and extends along an axial direction of the rotating shaft. Groove shaped flow paths are formed in the rotating shaft. The groove shaped flow paths are recessed inwardly in a diametrical direction and extend along the axial direction of the rotating shaft. An inner circumferential surface of the bearing covers the groove shaped flow paths, and thereby constitutes one portion of the rotor internal 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 rotating electric machine system is equipped with a rotating electric machine including a rotating shaft and a permanent magnet, and a housing in which the rotating electric machine is accommodated. A bearing is interposed between the housing and the rotating shaft. The bearing is retained by a hollow tubular shaped bearing holder. The bearing holder includes a cover member that covers the bearing from an outer side in a diametrical direction of the rotating shaft. An insulating element is interposed between an outer circumferential surface of the bearing and an inner circumferential surface of the cover member.

Abstract: A rotating electric machine system is equipped with a rotating electric machine including a rotating shaft and a permanent magnet, and a housing in which the rotating electric machine is accommodated. A bearing is interposed between the housing and the rotating shaft. The bearing is retained by a bearing holder. A pressure applying member is disposed between the bearing holder and the bearing. The pressure applying member applies a pressure to the bearing holder along the axial direction of the rotating shaft.

Abstract: A rotating shaft is equipped with an outer shaft, and an inner shaft that is inserted into a hollow interior of the outer shaft. A first end part of the inner shaft includes an extending portion that is exposed and extends from the outer shaft. The extending portion is positioned and fixed to the outer shaft by a positioning and fixing member. The positioning and fixing member includes a nut member that is screw-engaged with an outer circumferential surface of the extending portion, a locking sleeve surrounding the nut member, and a locking ring that engages with the nut member and the extending 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: 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 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 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 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. The rotor includes permanent magnets and a rotating shaft. In a rotary electric machine housing, a rotor internal oil passage is formed. A portion of lubricating oil supplied to each of a first bearing and a second bearing is diverted and made to flow through the rotor internal oil passage. The rotor internal oil passage includes direction changeover portions that change a direction through which the lubricating oil flows.