Abstract: A member coupling mechanism includes a first member including a cylindrical member coupling portion including a stepped portion inclined along a circumferential direction from a tip end side of the member coupling portion toward a base end side thereof, a second member configured to be coupled to the member coupling portion, and a coupling member configured to be engaged with the stepped portion while holding an end portion of the second member on a first member side. The coupling member is provided with a rotatable cylindrical protrusion protruding toward an outer or inner peripheral surface of the member coupling portion to be engaged with the stepped portion. When the connecting member is rotated in the circumferential direction, the protrusion moves along the stepped portion while rotating to press the first and second members in an approaching direction to couple them.

Abstract: A gas chromatograph is provided with: a sample gas generator (2) configured to generate a sample gas from an injected sample; a separation column (6) fluidly connected to an outlet of the sample gas generator, the separation column (6) being configured to separate components in the sample gas generated by the sample gas generator (2); a detector (8) fluidly connected to an outlet of the separation column (6), the detector (8) being configured to detect the components separated in the separation column (6); a plurality of gas supply sources (12A, 12B) each configured to supply a carrier gas for carrying the sample gas generated by the sample gas generator to the separation column (6); a switching unit (12A, 12B) fluidly connected to the plurality of gas supply sources, the switching unit being configured to switch such that one of the plurality of gas supply sources is fluidly connected to the sample gas generator (2); a regulator (16) interposed between the switching unit (14) and the sample gas generator (2)

Abstract: A gas chromatograph is provided with: a sample gas generator; a separation column; a detector; a plurality of gas supply sources; a switching unit; a regulator-; and an out-of-gas determination unit. After the out of gas determination unit has determined that the out of gas has occurred in the gas supply source supplying the carrier gas to the sample gas generator, it is configured to perform a column protection operation for changing the gas supply source fluidly connected to the sample gas generator by the switching unit.

Abstract: A rotor includes: a tubular retaining ring opened on an outer side thereof in an axial direction and covering a coil end portion of each of coils; and rotor baffles and insulation baffles alternately connected in a circumferential direction and partitioning a space in the retaining ring into a first space and a second space, the first space is formed over an entire circumference around a shaft, each rotor baffle includes, at a part thereof on a radially outer side of which a jumper portion is present, a first tapered shape part tilted so as to be more apart from the jumper portion toward a center side in the axial direction of the rotor.

Abstract: A rotor includes: a tubular retaining ring opened on an outer side thereof in an axial direction and covering a coil end portion of each of coils; and rotor baffles and insulation baffles alternately connected in a circumferential direction and partitioning a space in the retaining ring into a first space and a second space, the first space is formed over an entire circumference around a shaft, each rotor baffle includes, at a part thereof on a radially outer side of which a jumper portion is present, a first tapered shape part tilted so as to be more apart from the jumper portion toward a center side in the axial direction of the rotor.

Abstract: A flow controller having high workability and a gas chromatograph equipped with the same are provided. A carrier gas controller is equipped with a flow path member. The flow path member is equipped with a first portion and a second portion extending horizontally from an upper end portion of the first portion. In the second portion, a gas outlet port is formed. An H2 gas controller is equipped with a flow path member. The flow path member is equipped with a first portion and a second portion extending horizontally from an upper end portion of the first portion. In the second portion, a gas outlet port is formed. For this reason, a sufficient working space for the gas outlet port can be secured. Further, a sufficient working space for the gas outlet port can be secured. In other words, the workability with respect to the carrier gas controller and the H2 gas controller can be kept high.

Abstract: In a main body of a filter apparatus, an internal space A corresponding to a flow path of gas is formed in an annular shape, and a filter material filled in the internal space A is disposed in an annular shape. For this reason, it is possible to keep a cross-sectional area of the filter material large when compared to a case in which the filter material is disposed in an elongated shape, reduce flow path resistance, and keep a speed (linear velocity) of gas passing through the inside of the filter material low. Further, it is possible to improve capturing efficiency of the filter material. In addition, one end edge of a flow path, and flow paths and are formed at one end of the main body.

Abstract: A flow controller including a flow channel resistance disposed in a carrier gas supply flow channel, a control valve, pressure detecting portion 22 and a pressure difference detecting portion, a storage part storing a first calibration curve indicating a correlation between a pressure difference ?p and a total flow volume ftemp1 at the first set supply pressure Pin, ref1 and a second calibration curve indicating a correlation between a pressure difference ?p and the total flow volume ftemp2 at a second set supply pressure Pin,ref2 larger than the first set supply pressure Pin,ref1 is provided. A total flow volume f of the carrier gas is calculated based on the supply pressure pin detected by the pressure detecting portion, pressure difference ?p information detected by the pressure difference detecting portion, the first calibration curve and the second calibration curve.

Abstract: A flow controller includes a channel assembly, a pressure sensor, and a pressure control valve. The channel assembly includes a laminated substrate comprised of a plurality of substrates laminated, the laminated substrate having a surface on which a gas inlet and a gas outlet are formed, and having, inside the laminated substrate, a plurality of resistance channels not communicating with one another inside the laminated substrate as internal channels. In the flow controller, the gas inlet and the gas outlet communicate to each other to form a flow rate control channel. The pressure sensor and the pressure control valve are provided on the flow rate control channel. At least one of the resistance channels which is selected to have a desired channel resistance of the flow rate control channel is connected to the flow rate control channel as part of the flow rate control channel.

Abstract: To obtain a rotary electric machine in which an insulation failure does not occur even when the output of the rotary electric machine is increased by improving the cooling performance at the rotor winding ends. The rotary electric machine includes a rotor winding wound around a rotor core with a gap, rotor winding ends formed by the rotor winding protruding to an end surface of the rotor core in an axial direction, spacers arranged between adjacent rotor winding ends, mountain-shaped winding support portions provided on both surfaces of the spacers and having an apex with an obtuse angle, meandering ventilation paths formed on both surfaces of the spacers by the mountain-shaped winding support portions and wave-shaped winding support portions formed in the meandering ventilation paths along the meandering ventilation paths.

Abstract: A flow controller includes a channel assembly, a pressure sensor, and a pressure control valve. The channel assembly includes a laminated substrate comprised of a plurality of substrates laminated, the laminated substrate having a surface on which a gas inlet and a gas outlet are formed, and having, inside the laminated substrate, a plurality of resistance channels not communicating with one another inside the laminated substrate as internal channels. In the flow controller, the gas inlet and the gas outlet communicate to each other to form a flow rate control channel. The pressure sensor and the pressure control valve are provided on the flow rate control channel. At least one of the resistance channels which is selected to have a desired channel resistance of the flow rate control channel is connected to the flow rate control channel as part of the flow rate control channel.

Abstract: A flow controller including a flow channel resistance disposed in a carrier gas supply flow channel, a control valve, pressure detecting portion 22 and a pressure difference detecting portion, a storage part storing a first calibration curve indicating a correlation between a pressure difference ?p and a total flow volume ftemp1 at the first set supply pressure Pin, ref1 and a second calibration curve indicating a correlation between a pressure difference ?p and the total flow volume ftemp2 at a second set supply pressure Pin,ref2 larger than the first set supply pressure Pin,ref1 is provided. A total flow volume f of the carrier gas is calculated based on the supply pressure pin detected by the pressure detecting portion, pressure difference ?p information detected by the pressure difference detecting portion, the first calibration curve and the second calibration curve.

Abstract: A flow controller having high workability and a gas chromatograph equipped with the same are provided. A carrier gas controller is equipped with a flow path member. The flow path member is equipped with a first portion and a second portion extending horizontally from an upper end portion of the first portion. In the second portion, a gas outlet port is formed. An H2 gas controller is equipped with a flow path member. The flow path member is equipped with a first portion and a second portion extending horizontally from an upper end portion of the first portion. In the second portion, a gas outlet port is formed. For this reason, a sufficient working space for the gas outlet port can be secured. Further, a sufficient working space for the gas outlet port can be secured. In other words, the workability with respect to the carrier gas controller and the H2 gas controller can be kept high.

Abstract: In a main body of a filter apparatus, an internal space A corresponding to a flow path of gas is formed in an annular shape, and a filter material filled in the internal space A is disposed in an annular shape. For this reason, it is possible to keep a cross-sectional area of the filter material large when compared to a case in which the filter material is disposed in an elongated shape, reduce flow path resistance, and keep a speed (linear velocity) of gas passing through the inside of the filter material low. Further, it is possible to improve capturing efficiency of the filter material. In addition, one end edge of a flow path, and flow paths and are formed at one end of the main body.

Abstract: An electric rotating machine does not require management of the gap between a fan guide at a small-diameter portion and a fan fixing portion and can suppress the manufacturing and maintenance costs from increasing. An electric rotating machine is provided with a small-diameter portion fan guide that extends both in a circumferential direction and in an axial direction in such a way as to be provided a space in the radial-direction outer side of a small-diameter portion that is a portion of an extending axle portion, of a rotation axle, that extends in the axial direction from a rotor, the portion being at an axial-direction departing side than a fan fixing portion to which an axial-flow fan is fixed and in such a way that the small-diameter portion fan guide is disposed to be provided a space with the fan fixing portion in the axial direction.

Abstract: A cooling device mounted in a flow path formed by an internal space of a cooling fluid duct being mounted on the periphery of a frame of a rotating electric machine is configured in such a manner that at least one of the end-face portions between a first end-face portion through which a cooling fluid flows into the cooling device and a second end-face portion from which the cooling fluid flows out thereof is placed tilting with respect to at least one of a first orthogonal surface perpendicular to an inflow direction of the cooling fluid and a second orthogonal surface perpendicular to an outflow direction of the cooling fluid, or with respect to a flow-path-width's direction perpendicular to a direction in which an axis line of a stator extends.

Abstract: A cooling device mounted in the interior of a frame of a rotating electric machine is configured in such a manner that at least one of the end-face portions between a first end-face portion through which a cooling fluid flows into the cooling device and a second end-face portion from which the cooling fluid flows out thereof is placed tilting with respect to a minimum-width's direction of a frame's internal flow-path in vicinity to the cooling device, or with respect to at least one of an inflow direction and outflow direction of the cooling fluid.

Abstract: An electric rotating machine does not require management of the gap between a fan guide at a small-diameter portion and a fan fixing portion and can suppress the manufacturing and maintenance costs from increasing. An electric rotating machine is provided with a small-diameter portion fan guide that extends both in a circumferential direction and in an axial direction in such a way as to be provided a space in the radial-direction outer side of a small-diameter portion that is a portion of an extending axle portion, of a rotation axle, that extends in the axial direction from a rotor, the portion being at an axial-direction departing side than a fan fixing portion to which an axial-flow fan is fixed and in such a way that the small-diameter portion fan guide is disposed to be provided a space with the fan fixing portion in the axial direction.

Abstract: To obtain a rotary electric machine in which an insulation failure does not occur even when the output of the rotary electric machine is increased by improving the cooling performance at the rotor winding ends. The rotary electric machine includes a rotor winding wound around a rotor core with a gap, rotor winding ends formed by the rotor winding protruding to an end surface of the rotor core in an axial direction, spacers arranged between adjacent rotor winding ends, mountain-shaped winding support portions provided on both surfaces of the spacers and having an apex with an obtuse angle, meandering ventilation paths formed on both surfaces of the spacers by the mountain-shaped winding support portions and wave-shaped winding support portions formed in the meandering ventilation paths along the meandering ventilation paths.