Abstract: Provided is a lock mechanism configured to hold a fitted state between a first connector and a second connector, where the first connector and the second connector as a counterpart are fittable together. The lock mechanism includes: a lock member that includes an engagement part and is provided in the first connector; a biasing part that is connected to the lock member and holds the lock member in a reference state; a pivotal shaft that is disposed parallel to a direction orthogonal to a fitting direction and pivotably supports the lock member; and an engagement-receiving part that is provided in the second connector and is engageable with the engagement part. The lock member is attached to the first connector so as to be pivotable around the pivotal shaft.

Abstract: A satisfaction level calculation device (10) acquires environmental data detected by each of a plurality of environment sensors (20). The satisfaction level calculation device (10) sets each of a plurality of indexes about a space environment as a target index. The satisfaction level calculation device (10) calculates, from the environmental data acquired by measuring the target index, an individual satisfaction level, which is a satisfaction level of the target index. The satisfaction level calculation device (10) calculates, from the individual satisfaction level about each of the plurality of indexes, an overall satisfaction level, which is an overall satisfaction level about the space environment.

Abstract: A gas pressure monitoring device of a gas insulated switchgear of the present invention includes at least two cylindrical vessels that configures the gas insulated switchgear, receives an internal pressure, and has flanges, a plurality of bolts that fasten the flanges of the two cylindrical vessels, a bolt with sensor, the bolt being at least one bolt of the plurality of bolts and including at least one sensor on each of an inner diameter side and an outer diameter side of a cylindrical vessel in the axial direction of the one bolt, a pressure gauge that is installed on the cylindrical vessel and reads pressure of an insulating gas when the insulating gas is sealed into the cylindrical vessel, a measurement recording unit that records reading values of the pressure gauge and output values of the sensor, and an evaluation unit that calculates relationship between the pressure of the insulating gas and stress acting on the bolt with sensor when the insulating gas is sealed into the cylindrical vessel, wherein,

Abstract: The present invention makes it possible to provide a connector comprising a contact that forms an electric connection with a counterpart contact, having a first contact piece and a second contact piece branched by a bifurcated branching part, as well as a first contact point element provided to the first contact piece and a second contact point element provided to the second contact piece in contact with the surface of the counterpart contact when the counterpart contact is inserted between the first contact piece and the second contact piece. At least one of the contact pieces has a first elastic part that has elasticity and is capable of being displaced in a direction orthogonal to the plate thickness. Providing a part curved in the plate thickness direction between the branching part of the contact pieces and the contact point elements allows the connector to adapt to the space allowed to the connector while maintaining a sufficient elastic force.

Abstract: An in-vehicle battery system comprises: a battery; a relay for establishing or cutting off an electrical connection between the battery and an inverter; a plurality of switches respectively provided in a current path for switching the relay; and a battery control apparatus that supervises a status of the battery. The plurality of switches include a first switch provided in the battery control apparatus and a second switch provided in a vehicle control apparatus which controls traveling of the vehicle; the first switch and the second switch are serially connected to each other in the current path; the battery control apparatus controls a status of switching the first switch; and the vehicle control apparatus controls a status of switching the second switch.

Abstract: A prosthetic limb includes: a socket as a thigh part; a thigh joint part provided on a side of the socket; a lower leg part coupled to the thigh joint part and provided to be rotatable around a knee shaft; a thigh part inclination angle acquisition unit that acquires an inclination angle ? formed by the socket relative to a vertical line passing through the knee shaft; and a rotational resistance control unit that weakens a rotational resistance of the knee shaft in accordance with a transition from a positive inclination angle formed when the socket is inclined rearward relative to the vertical line to a negative inclination angle formed when the socket is inclined forward relative to the vertical line.

Abstract: A prosthetic knee joint includes a thigh connection part to be positioned near a thigh part, a lower leg part rotatibly coupled to the thigh connection part, and a power generating, part for generating power using a resistance resulting from rotation of the lower leg part relative to the thigh connection part.

Abstract: A prosthetic knee joint includes a thigh connection part, a lower leg part coupled to the thigh connection part rotatably around an axis of a knee, an actuator coupled to the thigh connection part and the lower leg part, where the actuator is configured to restrict or assist movement of the thigh connection part, a detector unit for obtaining information about how the thigh connection part and the lower leg part are relatively positioned, a control unit for controlling driving of the actuator based on a result detected by the detector unit, and an estimating unit for estimating a state of the user's movement based on the result detected by the detector unit. When the estimating unit estimates that the user is not walking, the control unit sets a longer control cycle for the driving of the actuator than when the estimating unit estimates that the user is walking.

Abstract: A posture calculator that calculates the posture of a moving object based on a first hypercomplex number derived based on a detection result from an angular velocity sensor for detecting an angular velocity of the moving object and a second hypercomplex number that is derived based on a detection result from an angle sensor for detecting an angle of the moving object and that has the same number of terms as that of the first hypercomplex number.

Abstract: A coupling device according to the present invention includes: a first coupling member having first teeth on a disk surface; a second coupling member having second teeth on the disk surface; and a fastening member fastening the first coupling member and the second coupling member at central portions. A reference surface is a surface parallel to the disk surface. A tooth surface angle is an acute angle formed between a tangent line of the meshing tooth surface and a reference surface at a point C on an intersection line between the reference surface and the meshing tooth surface of the first tooth and the second tooth, in a cross section perpendicular to a radial direction of the first coupling member. Tooth surface angles ? and ? of the first tooth change along the radial direction of the first coupling member.

Abstract: A capacity ratio estimation apparatus and method for a battery detects current and voltage of the battery; specifies an integration period from a first time point to a second time point and calculates an integration value of the current for the integration period based on detected current; calculates a first open circuit voltage at the first time point based on the detected voltage and calculates a second open circuit voltage of the battery at the second time point based on the detected voltage; and estimates a capacity ratio of the battery based on a voltage difference between the first open circuit voltage and the second open circuit voltage and an integration value satisfying predetermined conditions. The integration value is equal to a predetermined lower limit value or greater and an average value of the current of the battery for the integration period is equal to the predetermined value or greater.

Abstract: A battery pack cooling system includes a plurality of cells disposed in an internal space of a battery pack case so as to form a cooling passage configured to cool the cell modules by cooling air flowing in the cooling passage. The cooling passage includes a cooling air inlet passage, a cooling air exhaust passage, and a plurality of cooling branch passages disposed to connect the cooling air inlet passage and the cooling air exhaust passage in parallel. A minimum temperature sensor is disposed in the upstream position to measure a lowest temperature region in a first cell module. A maximum temperature sensor is disposed in the downstream position which becomes a highest temperature region in the first cell module. Another temperature sensor is disposed in a second cell module to measure the temperature of either the highest temperature or the lowest temperature in the second cell module.

Abstract: A connector is provided having a first contact, a first supporting portion, a second contact, a second supporting portion, a ground plate, and a third supporting position. The first contact has a first connection portion which is pushed to a first conductor to electrically connect with the first conductor. The first supporting portion receives a force to push the first connection portion to the first conductor. The second contact has a second connection portion which is pushed to a second conductor to electrically connect with the second conductor. The second supporting portion receives a force to push the second connection portion to the second conductor. The ground plate is arranged between the first contact and the second contact and has a shield connection portion which is pushed to at least one of a first shield portion covering the first conductor and a second shield portion covering the second conductor to electrically connect with at least one of the first shield portion and the second shield portion.

Abstract: There is provided a receptacle unit including a plurality of receptacle connectors and mounted on an electronic apparatus, at least two guide reception portions which, when docking with a plug unit including a plurality of plug connectors, before at least one of the plurality of receptacle connectors engages with at least one of the plurality of plug connectors, receiving a guide portion of the plug unit, and a coupling portion which couples the at least two guide reception portions, at least one receptacle connector of the plurality of receptacle connectors which is mounted on a board independently of at least one other of the receptacle connectors, and the at least two guide reception portions and the coupling portion which are fixed to the board after the plurality of receptacle connectors are mounted on the board.

Abstract: There is provided a receptacle unit including a plurality of receptacle connectors and mounted on an electronic apparatus, at least two guide reception portions which, when docking with a plug unit including a plurality of plug connectors, before at least one of the plurality of receptacle connectors engages with at least one of the plurality of plug connectors, receiving a guide portion of the plug unit, and a coupling portion which couples the at least two guide reception portions, at least one receptacle connector of the plurality of receptacle connectors which is mounted on a board independently of at least one other of the receptacle connectors, and the at least two guide reception portions and the coupling portion which are fixed to the board after the plurality of receptacle connectors are mounted on the board.

Abstract: A battery pack cooling system includes a plurality of cells disposed in an internal space of a battery pack case so as to form a cooling passage configured to cool the cell modules by cooling air flowing in the cooling passage. The cooling passage includes a cooling air inlet passage, a cooling air exhaust passage, and a plurality of cooling branch passages disposed to connect the cooling air inlet passage and the cooling air exhaust passage in parallel. A minimum temperature sensor is disposed in the upstream position to measure a lowest temperature region in a first cell module. A maximum temperature sensor is disposed in the downstream position which becomes a highest temperature region in the first cell module. Another temperature sensor is disposed in a second cell module to measure the temperature of either the highest temperature or the lowest temperature in the second cell module.

Abstract: There is provided a plug unit including a plurality of predetermined standard plug connectors, the predetermined standard plug connectors each including a contact that connects with a connection terminal of a predetermined standard receptacle connector, and the plug unit includes one insulator which holds the contact that each of the plurality of predetermined standard plug connectors has and which defines an interval between the plurality of predetermined standard plug connectors and a posture of the predetermined standard plug connectors.

Abstract: Realized is a shape of a grooved cam that maximizes break performance by appropriately setting an electrode operation, with a minimum weight increase.

Abstract: A battery pack cooling system includes a plurality of cells disposed in an internal space of a battery pack case so as to form a cooling passage configured to cool the cell modules by cooling air flowing in the cooling passage. A first temperature sensor is a minimum temperature sensor disposed in the upstream position which becomes a lowest temperature. A second temperature sensor is a maximum temperature sensor disposed in the downstream position which becomes a highest temperature. A third temperature sensor is configured to measure the temperature of either the highest temperature or the lowest temperature disposed in a second cell module. A cooling passage includes a cooling air inlet passage, a cooling air exhaust passage, and a plurality of cooling branch passages disposed to connect the cooling air inlet passage and the cooling air exhaust passage in parallel.

Abstract: A switchgear driving device has a rod coupled to a movable electrode; an operation piston connected to the rod; and an operation cylinder in which an operation piston slides. A main control valve controls the pressure of the hydraulic oil in the operation cylinder. A turning-on pressure accumulation piston slides inside a turning-on pressure accumulation chamber; and a turning-on pressure accumulation spring imparts a driving force to the turning-on pressure accumulation piston to pressurize the hydraulic oil within the turning-on pressure accumulation chamber. A turning-off pressure accumulation piston slides inside a turning-off pressure accumulation chamber. A turning-off pressure accumulation spring imparts a driving force to the turning-off pressure accumulation piston to pressurize the hydraulic oil in the turning-off pressure accumulation chamber.