Abstract: A heat exchanger body that includes a circulation path through which a coolant is circulated and performs heat exchange between the coolant flowing through the circulation path and an electronic component; a circulation pump that supplies the coolant to the heat exchanger body; an accumulation determination unit that determines whether a foreign matter accumulation condition is fulfilled that is satisfied when foreign matter is expected to be accumulated in at least a part of the circulation path; and a process execution unit that in response to the foreign matter accumulation condition being satisfied, executes a foreign matter cleaning process of removing the foreign matter accumulated in the circulation path and cleaning the circulation path. In the foreign matter cleaning process, the process execution unit reduces an amount of coolant supplied from the circulation pump so that the coolant has a superheating degree in a nucleate boiling region.

Abstract: A cathode mixture having a low irreversible capacity is disclosed. The cathode mixture contains: a cathode active material having a S element; a sulfur-containing compound having a B element and a S element; and a conductive additive, wherein the cathode mixture does not substantially have a Li element, and a standard value that is defined by the following formula is at least 0.56 when the diffracted intensity at 11.5° in 2? is defined as I11.5, the diffracted intensity at 23.1° in 2? is defined as I23.1, and the diffracted intensity at 40° in 2? is defined as I40 in the X-ray diffraction measurement using CuK? radiation: standard value=(I11.5?I40)/(I23.1?I40).

Abstract: An electrical power conversion apparatus is provided which includes a semiconductor module and a plurality of cooling pipes. Each of the cooling pipes has an electrical conductivity and a cooling medium flow path formed therein. Each of the cooling pipes is equipped with a flow path extension forming portion which protrudes above a module body in at least one of height-wise directions and in which a portion of the cooling medium flow path is formed. The flow path extension forming portion overlaps at least either of the power terminals or the control terminals in a stacking direction of the cooling pipes. This enhances the efficiency in decreasing the inductance of the power terminals and/or the control terminals, improves the productivity of the electrical power conversion apparatus, and enables the size of the electrical power conversion apparatus to be reduced.

Abstract: An electric power conversion apparatus includes at least one semiconductor module, a capacitor, a pair of positive and negative busbars and an insulator. The positive busbar includes a positive busbar base protruding from the capacitor in a Y direction and at least one positive busbar terminal extending perpendicular to an X direction. The negative busbar includes a negative busbar base protruding from the capacitor in the Y direction and at least one negative busbar terminal extending perpendicular to the X direction. The positive and negative busbar bases are arranged to have their major surfaces facing each other in a Z direction. The positive and negative busbar terminals at least partially overlap each other in the X direction with the insulator interposed therebetween. The at least one semiconductor module has a pair of positive and negative power terminals connected respectively to the positive and negative busbar terminals.

Abstract: An electrical power conversion device is provided which includes a stack of semiconductor modules and a plurality of cooling pipes. Each of the cooling pipes includes a first and a second outer shell plate which are electrically conductive. Each of the outer shell plates includes a flow-path defining portion which defines a coolant flow path between the outer shell plates and a flow-path outer periphery forming a circumference of the flow-path defining portion. The flow-path outer periphery of at least one of the outer shell plates has formed thereon an outer shell protrusion which is laid to overlap power terminals or control terminals extending from the semiconductor module to cancel a magnetic flux, as developed around the power terminals or the control terminals, thereby decreasing the inductance of the power terminals or the control terminals.

Abstract: A power conversion device includes a semiconductor stack, a reactor, and a capacitor. The semiconductor stack includes a plurality of semiconductor modules stacked on one another in a stacking direction. Each semiconductor module includes a semiconductor element. The reactor constitutes a boost circuit that boosts a direct-current voltage. The capacitor is electrically connected to the plurality of semiconductor modules. The semiconductor stack, the reactor, and the capacitor each include a coolant flow passage, and the reactor and the capacitor are located adjacent to each other.

Abstract: A power conversion apparatus includes an electric component, a housing, and a flow channel formation unit. The electric component configures at least a part of a power conversion circuit. The housing stores the electric component, and the electric component is fixed to the housing. The flow channel formation unit forms a refrigerant flow channel through which a refrigerant flows, and is thermally connected to the electric component. The flow channel formation unit is a member different from the housing, and an elastically deformable spacer is provided between the flow channel formation unit and the housing.

Abstract: In an electronic component cooling device, a cooler cools an electronic component, a coolant temperature acquisition unit acquires a temperature of a coolant, a coolant flow rate acquisition unit acquires the flow rate of the coolant, a heat loss estimation unit estimates a heat loss from the electronic component, and a loss threshold calculation unit calculates an upper limit threshold of the heat loss from the electronic component based on the coolant temperature and the coolant flow rate. A coolant flow rate control unit controls the flow rate of the coolant and is configured to, in response to an estimated heat loss which is the heat loss from the electronic component that has been estimated by the heat loss estimation unit exceeding the upper limit threshold, increase the flow rate of the coolant circulating through the cooler.

Abstract: To provide a semiconductor device capable of effectively releasing heat from a semiconductor element, the semiconductor device includes a semiconductor element, a heat sink connected thermally to the semiconductor element and a coolant flow channel formed facing the heat sink. The heat sink is integrally composed of multiple cooling fins projecting toward the coolant flow channel. A linear base of each of the multiple cooling fins inclines relative to a direction in which a coolant is supplied through the coolant flow channel. An inclination of a linear base of each of the cooling fins arranged adjacent to each other in the direction relative to the coolant flow direction is substantially opposite from each other.

Abstract: The present invention relates to a composition for a pressure-sensitive adhesive comprising 100 parts by mass (non-volatile fraction) of a main agent comprising a mixture of a natural rubber latex and a synthetic rubber latex, 40 to 120 parts by mass of a rosin-based tackifier resin having a softening point of 130 to 135° C. and 1 to 15 parts by mass of low-molecular-weight polyisoprene having a weight-average molecular weight of 15,000 to 40,000.

Abstract: An electric power converter is provided which includes a stack body made of a stack of a plurality of electronic devices and cooling medium flow paths in which cooling medium flows. The electric power converter also includes a housing in which the stack body is disposed. The housing 3 has a stack facing wall which faces the stack body in a stacking direction. The stack facing wall has an in-wall flow path in which the cooling medium flows and which communicates the cooling medium flow paths. This structure enables the electric power converter to be reduced in size thereof.

Abstract: An object of the present disclosure is to produce a cathode mixture with less irreversible capacity. The present disclosure achieves the object by providing a cathode mixture comprising: a cathode active material including a S element; a sulfur containing compound including a P element and a S element; a conductive auxiliary material; and substantially no Li element; wherein when a diffraction intensity at 2?=15.5° in an X-ray diffraction measurement using a CuK? ray is regarded as I15.5, a diffraction intensity at 2?=25° is regarded as I25, and a diffraction intensity at 2?=40° is regarded as I40, a standard value defined by the following formula is more than 1.2. Standard value=(I15.

Abstract: In an electric power conversion apparatus, a semiconductor module-cooler unit includes a semiconductor module and a cooler that has cooling pipes stacked with the semiconductor module in a stacking direction. A flow path forming component includes an electronic component main body and has an in-component flow path formed therein. A case receives both the semiconductor module-cooler unit and the flow path forming component therein. A pressure-applying member is arranged in the case to apply pressure to the semiconductor module-cooler unit from a rear side toward a front side in the stacking direction. Moreover, the flow path forming component is fixed to the case. The pressure-applying member, the semiconductor module-cooler unit and the flow path forming component are arranged in alignment with each other in the stacking direction. An in-cooler flow path formed in the cooler and the in-component flow path are fluidically connected with each other in the stacking direction.

Abstract: An electric power converter is provided which includes a stack body made of a stack of a plurality of electronic devices and cooling medium flow paths in which cooling medium flows. The electric power converter also includes a housing in which the stack body is disposed. The housing 3 has a stack facing wall which faces the stack body in a stacking direction. The stack facing wall has an in-wall flow path in which the cooling medium flows and which communicates the cooling medium flow paths. This structure enables the electric power converter to be reduced in size thereof.

Abstract: In an outboard motor, a feed passage, through which a lubricating oil that flows upward from a gear mechanism due to rotation of the gear mechanism, extends upward from a gear chamber and includes a first feed passage that extends from the gear chamber to a connection passage via a first upstream passage, a spiral passage, and an interior of an upper bearing, in that order. The feed passage further includes a second feed passage that extends from the gear chamber to the return passage while bypassing the spiral passage via a bypass passage. The bypass passage includes two ends spaced apart in a circumferential direction of the driveshaft and is disposed around the spiral passage.

Abstract: A method for washing a treatment tool stand of an endoscope using a stand washing tool having a first washing member formed to a first height position and a second washing member formed to a second height position lower than the first height position. The washing method comprises a first washing member inserting step of inserting the first washing member into a gap between a stand storage wall section of the endoscope and the treatment tool stand; a second washing member abutting step of making the second washing member abut against a treatment tool guide surface of the treatment tool stand; and a stand washing tool moving step of moving the stand washing tool along the treatment tool guide surface in a state where the first washing member is inserted into the gap and the second washing member is made to abut against the treatment tool guide surface.

Abstract: A power conversion apparatus includes a capacitor and a heat dissipation member for cooling the capacitor. The capacitor and the heat dissipation member are pressed in an arranging direction in which the capacitor and the heat dissipation member are arranged. The capacitor includes a capacitor element which includes a dielectric body and a metal layer formed on a surface of the dielectric body, an electrode part connected to the metal layer and a bus bar connected to the electrode part. Part of the bus bar is interposed in the arranging direction between the heat dissipation member and the capacitor element.

Abstract: A power converter includes a stack of a plurality of semiconductor modules, each of which incorporates semiconductor elements, and a plurality of cooling conduits, though each of which a coolant flows to cool the semiconductor modules, at least one electronic component electrically connected to the semiconductor modules, and a cooling plate for cooling the at least one electronic component. The stack, the at least one electronic component, and the cooling plate are arranged in a stacking direction of the stack. The cooling plate is connected to the cooling conduits and has an intra-plate pathway formed therein thorough which the coolant flows in a direction perpendicular to the stacking direction. The cooling plate has a larger area than each cooling conduit when viewed from the stacking direction.

Abstract: An electrical power conversion apparatus is provided which includes a semiconductor module and a plurality of cooling pipes. Each of the cooling pipes has an electrical conductivity and a cooling medium flow path formed therein. Each of the cooling pipes is equipped with a flow path extension forming portion which protrudes above a module body in at least one of height-wise directions and in which a portion of the cooling medium flow path is formed. The flow path extension forming portion overlaps at least either of the power terminals or the control terminals in a stacking direction of the cooling pipes. This enhances the efficiency in decreasing the inductance of the power terminals and/or the control terminals, improves the productivity of the electrical power conversion apparatus, and enables the size of the electrical power conversion apparatus to be reduced.

Abstract: In an outboard motor, a feed passage, through which a lubricating oil that flows upward from a gear mechanism due to rotation of the gear mechanism, extends upward from a gear chamber and includes a first feed passage that extends from the gear chamber to a connection passage via a first upstream passage, a spiral passage, and an interior of an upper bearing, in that order. The feed passage further includes a second feed passage that extends from the gear chamber to the return passage while bypassing the spiral passage via a bypass passage. The bypass passage includes two ends spaced apart in a circumferential direction of the driveshaft and is disposed around the spiral passage.