Abstract: An article detection device includes: an image acquiring unit acquiring a surroundings image; a first information image preparing unit preparing a first information image by converting information on a load/unloading target portion of the article to an easily recognizable state based on the surroundings image; a first calculation unit calculating at least one of a position and a posture of the load/unloading target portion; a second information image preparing unit preparing a second information image by converting information on a pitch angle detection portion of the article to an easily recognizable state; and a second calculation unit configured extracting at least two edge candidates for the article extending in a specific direction and included in the second information image based on a calculation result from the first calculation unit and calculating a three-dimensional direction vector indicating a pitch angle of the article from the edge candidates.

Abstract: A system includes: a first acquisition module which acquires information indicating a driving-scheduled period of a plurality of vehicles each including a battery and a driving characteristic of a driver who drives each of the plurality of vehicles in the driving-scheduled period; a second acquisition module which acquires information indicating a power transfer-scheduled period during which power transfer is to be performed between the battery included in at least one vehicle of the plurality of vehicles and a power grid; and a selection module which specifies, on the basis of the driving-scheduled period, the driving characteristic, and the power transfer-scheduled period, a driving characteristic of a driver of a vehicle to be driven within a predetermined period from the power transfer-scheduled period, and selects, on the basis of the driving characteristic being specified, a vehicle of which a battery is used for power transfer from/to the power grid.

Abstract: The present invention relates to a reservoir tank for coolant that stores the coolant for cooling an internal combustion engine. The reservoir tank includes: a tank chamber that stores the coolant; an opening, which is disposed in an upper part of the tank chamber, through which the coolant flows in and flows out, and in a circumferential wall of which a breathing hole is formed; and a first communication passage, a second communication passage, and a third communication passage that respectively communicate with the opening and the tank chamber.

Abstract: An electrically-driven compressor is installed on an engine. Refrigerant is compressed with rotation of a rotating shaft in a compression unit. An electric motor is coupled to the rotating shaft and drives the compression unit through the rotating shaft. A housing accommodates the compression unit, the electric motor, and the motor drive circuit aligned in the listed order in the axial direction of the rotating shaft. The housing is internally provided with the discharge chamber through which the refrigerant compressed by the compression unit is discharged. A weight is attached to the housing and disposed in the discharge chamber in a manner that a resonance frequency of the electrically-driven compressor is shifted relative to a resonance frequency of the engine, the weight including a material having a specific gravity greater than a specific gravity of a constituent material of the housing.

Abstract: An on-vehicle electric compressor for a vehicle includes a compression mechanism compressing a refrigerant, an electric motor driving the compression mechanism and a housing accommodating therein the compression mechanism and the electric motor. The on-vehicle electric compressor further includes a cover fixed to the housing, a motor driving circuit disposed between the housing and the cover and driving the electric motor, and a protecting member protecting the cover against an external force caused when the vehicle has a collision. The protecting member has a contact portion that is contactable with a receiving portion when the external force is applied to the protecting member, the receiving portion having a greater rigidity than the cover to receive the external force through the contact portion.

Abstract: An electrically-driven compressor including a housing, an electric motor, a compression mechanism, a cover member, a motor drive circuit, and a sealing member is disclosed. The electric motor is accommodated in the housing. The compression mechanism is accommodated in the housing and operated by the electric motor. The cover member is attached to the housing. The housing and the cover member form an accommodation portion including an accommodation space therein. The motor drive circuit is accommodated in the accommodation space and drives the electric motor. The sealing member is arranged between the housing and the cover member to seal the accommodation space. The sealing member includes an elastic seal portion that comes into close contact with the housing and the cover member. A core sustains the shape of the seal portion in conformance with the circumferential edge of the accommodation space.

Abstract: An electric compressor includes a housing a compression mechanism, an electric motor and a motor driving circuit. The motor driving circuit includes a circuit board and an electronic component mounted on the circuit board. The electric compressor further includes a bus bar, a shield plate having a bolt hole and an intervening portion interposed between the bus bar and the shield plate. The bus bar, intervening portion and the shield plate are integrated by a resin member. A part of the intervening portion on a side thereof opposite from the shield plate and/or a part of the bus bar on a side thereof opposite from the shield plate is exposed without being covered with the resin member. A surface of the shield plate around the bolt hole on a side thereof opposite from the intervening portion is exposed without being covered with the resin member.

Abstract: An electric compressor has a hermetic terminal unit that is electrically connected to a motor side wire and a drive circuit side wire and inserted through a through hole formed through a separation wall separating a motor chamber and an accommodating chamber. The hermetic terminal unit has a first connecting terminal that is electrically connected to the motor side wire and elastically deformable, a second connecting terminal that is electrically connected to the drive circuit side wire and elastically deformable, and a conductive member that is fitted to the first connecting terminal and the second connecting terminal and electrically connects the first connecting terminal and the second connecting terminal. The first connecting terminal is elastically deformed and holds the motor side wire by a restoring force thereof. The second connecting terminal is elastically deformed and holds the drive circuit side wire by a restoring force thereof.

Abstract: An electric compressor is provided to more securely suppress breakage of an electric component. An inverter cover forms an accommodation space. A bus bar constituting a portion of an electric circuit for driving an electric motor is accommodated in the accommodation space. The inverter cover has a rib projecting into the accommodation space. The bus bar is placed on the rib.

Abstract: An electrically-driven compressor is installed in an engine. Refrigerant is compressed with rotation of a rotating shaft in a compression unit. An electric motor is coupled to the rotating shaft and drives the compression unit through the rotating shaft. A housing accommodates the compression unit, the electric motor, and the motor drive circuit aligned in the listed order in the axial direction of the rotating shaft. The housing is internally provided with the discharge chamber through which the refrigerant compressed by the compression unit is discharged. The weight is attached to the housing and disposed in the discharge chamber in a manner that a resonance frequency of the electrically-driven compressor is shifted relative to a resonance frequency of the engine, the weight including a material having a specific gravity greater than a specific gravity of a constituent material of the housing.

Abstract: An electric compressor includes a compression portion, an electric motor, a drive circuit, a housing having a cylindrical shape and accommodating the compression portion and the electric motor, a cover attached to the housing and cooperating with the housing to accommodate the drive circuit, and a protector. The protector is configured to protect the cover from an external force. The protector includes a fixing portion that is fixed to the housing and a protection portion that is formed in a plate-like shape. The protection portion is disposed to face and to be spaced from the cover. The protector extends in a diametrical direction of the housing. A plurality of recesses is formed in the protection portion toward the cover such that the protection portion projects toward the cover. The recesses extend in an extending direction of the protector.

Abstract: An electric compressor including a compression mechanism, an electric motor driving the compression mechanism, a housing accommodating the compression mechanism and the electric motor, an inverter box located on an outer surface of the housing, an inverter substrate accommodated in the inverter box and having an inverter circuit supplying electric power to the electric motor, the inverter substrate having a first surface and a second surface that is a reverse surface of the first surface, a plurality of fastening members fixing the inverter substrate to the inverter box, and a reinforcing member having a first end fixed to the inverter box and a second end soldered to the first surface or the second surface of the inverter substrate. The reinforcing member extends toward the first surface or the second surface of the inverter substrate in the inverter box. The reinforcing member is not electrically connected to the inverter circuit.

Abstract: A motor-driven compressor includes an electric motor driven by a motor driver, which includes a switching element that converts DC voltage from a battery to AC voltage. A control unit controls the switching operation of the switching element. A temperature detector detects the temperature of the switching element. The control unit suspends the switching operation of the switching element when the temperature detected by the temperature detector rises to a temperature threshold. The temperature threshold includes a first temperature threshold, corresponding to a withstand temperature of the switching element, and a second temperature threshold, which is higher than the first temperature threshold. The control unit switches the temperature threshold from the first temperature threshold to the second temperature threshold when the control unit activates a field weakening control that reduces counter electromotive force generated by the electric motor.

Abstract: A motor-driven compressor includes an electric motor driven by a motor driver, which includes a switching element that converts DC voltage from a battery to AC voltage. A control unit controls the switching operation of the switching element. A temperature detector detects the temperature of the switching element. A voltage detector detects DC voltage applied to the switching element from the battery. The control unit suspends the switching operation of the switching element when the temperature detected by the temperature detector rises to a predetermined temperature threshold. The control unit also reduces counter electromotive force generated by the electric motor. The temperature threshold includes a first temperature threshold, corresponding to a withstand temperature of the switching element, and a second temperature threshold, which is higher than the first temperature threshold. The control unit switches the temperature threshold between the first and second temperature thresholds.

Abstract: An electrically-driven compressor including a housing, an electric motor, a compression mechanism, a cover member, a motor drive circuit, and a sealing member is disclosed. The electric motor is accommodated in the housing. The compression mechanism is accommodated in the housing and operated by the electric motor. The cover member is attached to the housing. The housing and the cover member form an accommodation portion including an accommodation space therein. The motor drive circuit is accommodated in the accommodation space and drives the electric motor. The sealing member is arranged between the housing and the cover member to seal the accommodation space. The sealing member includes an elastic seal portion that comes into close contact with the housing and the cover member. A core sustains the shape of the seal portion in conformance with the circumferential edge of the accommodation space.

Abstract: A motor-driven compressor includes a metal housing accommodating a compression unit and an electric motor and a cover coupled to the housing. The cover and the housing define an accommodation chamber that accommodates a motor driving circuit that drives the electric motor. The cover includes a metal shield that blocks electromagnetic noise, a resin outer insulator that is fixed to an outer side of the shield and includes an outer circumferential portion, and a resin inner insulator that is fixed to an inner side of the shield and includes an outer circumferential portion. The shield, the outer insulator, and the inner insulator are separate from one another and stacked together. The shield is held between the outer insulator and the inner insulator. The outer circumferential portion of the outer insulator is joined to the outer circumferential portion of the inner insulator.

Abstract: A motor-driven compressor includes an electric motor driven by a motor driver, which includes a switching element that converts DC voltage from a battery to AC voltage. A temperature detector detects the temperature of the switching element. A voltage detector detects DC voltage applied to the switching element from the battery. A control unit suspends the switching operation of the switching element when the detected temperature rises to a temperature threshold. The control unit reduces counter electromotive force generated by the electric motor. The controller changes the temperature threshold such that the temperature threshold gradually increases from when the detected DC voltage is the highest voltage in the applicable voltage range of the battery to when the detected DC voltage is the lowest voltage in the applicable voltage range.

Abstract: A connection structure of terminals according to the present invention includes an elastically-deformable first connector, to which a motor wire is electrically connected, an elastically-deformable second connector, to which a driving circuit wire is electrically connected, and a conductive portion, which electrically connects the first connector with the second connector. The first connector and the second connector are joined to the respective end surfaces of the conductive portion. The first connector is elastically deformed to hold the motor wire with its own restoring force. The second connector is elastically deformed to hold the driving circuit wire with its own restoring force.

Abstract: A fluid machine includes a housing, an electric motor, a drive circuit that includes a heat-generating component and drives the electric motor, a cover that defines an accommodation chamber, which accommodates the drive circuit, with the housing, and a fastener that fastens the cover to the housing. The cover is configured to press the heat-generating component or a heat transfer member, to which heat of the heat-generating component is transferred, against the housing in a fastening direction of the fastener when fastened by the fastener. The fluid machine further includes a seal that is held between the first opposing surface of the housing and the second opposing surface of the cover in the direction intersecting the fastening direction of the fastener.

Abstract: The electric compressor includes a housing having electrical conductivity, an inverter, a cover having electrical conductivity, a sealing portion, and a shielding portion having electrical conductivity. The cover is attached to the housing, thereby defining an accommodating space in which the inverter is accommodated. The sealing portion has a main body portion made of resin and a metal portion having electrical conductivity. The sealing portion is provided in a gap between the housing and the cover. The shielding portion is joined to the metal portion and electrically grounded. The metal portion is provided in the accommodating space, and has an outer circumferential edge embedded in the main body portion. The shielding portion is arranged so as to face a third surface of the main body portion and so as to extend from the metal portion toward at least one of the first surface and the second surface.