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JP2022056408A |
To provide a power module by which un-conveniences of a conventional technique are corrected by changing a cooling system without degrading performances of the system.This invention is related to a power module (12) for a railway vehicle...
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JP7049533B2 |
A power conversion apparatus includes: a converter main circuit converting AC power into DC power; an inverter main circuit converting, into AC power, the DC power obtained by conversion by the converter main circuit; and a common cooler...
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JP2022037923A |
To provide a vehicle braking system in which a vehicle does not have resistor grids, and a motor braking system limits the power generation of traction motors to a level that can be consumed by one or more auxiliary electrical devices on...
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JP7023729B2 |
To provide a cooling device for a vehicle which has a core that is easily cleaned and maintained and prevents the cooling characteristic from degrading.A cooling device for a vehicle 1 comprises a first housing 3 for receiving a core 2, ...
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JP7021548B2 |
To provide a power conversion device housing and a housing of a railway vehicle power conversion device and a power conversion device in which damage on a power conversion device body and wiring of the power conversion device body accomm...
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JP2022026186A |
To provide a railroad vehicle capable of easily securing an outfitting space and suppressing manufacturing costs.In a railroad vehicle 1A including a structure floor 7A constituting a floor part 51 of a passenger room 5 and an underfloor...
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JP2022512083A |
A storage and transport system for sodium hypochlorite pentahydrate (solid bleach) is provided. The system receives and stores crystalline solid bleach containing at least 40% sodium hypochlorite and retains the degrading components from...
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JP7014268B2 |
To provide an electric power conversion apparatus for railway vehicle capable of suppressing a heat radiation fin from deforming when foreign matter collides while suppressing the heat radiation fin from decreasing in cooling performance...
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JP2022016840A |
To provide an inverter device A for an electric vehicle, which is configured so that oscillation of a transformer 2 can be stopped in a housing 1 while being reduced in size and in weight.A receiving piece 91 extending to approach a side...
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JP2022016839A |
To prevent rainwater remaining in a space 10 between an upper plate 4a and a lower plate 4b of an inspection cover 4 from dropping into a housing 1 after rainfall regardless of while the inspection cover 4 is closed or opened even if a c...
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JP7003542B2 |
A stationary induction apparatus includes a plurality of stationary device structures, each including: a stationary induction device including a core that has a plurality of magnetic legs and yokes connecting both ends of the plurality o...
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JP7003269B2 |
In the present invention, in order to establish a method for quickly and accurately detecting fire of a storage battery unit from among already-used devices without adding a device, a control unit that monitors a state of a storage batte...
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JP6999083B2 |
A connecting hanger bolt according to an aspect of the present invention is a hanger bolt which is inserted into a hanging groove rail having an opening narrower than the outer diameter of a bolt head and extending in a hanging groove ra...
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JP2022011116A |
To provide a container which can stably secure electric connection with the exterior.A cold insulation container 30 includes: a container body 40; an electric connector 60 which is provided at the container body and may protrude outward ...
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JP6988148B2 |
In a power converter for a railroad vehicle, adjacent ones of a plurality of fins are spaced apart from each other from a base connected to a base portion to a distal end, and the plurality of fins further spread to both one side and the...
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JP6980559B2 |
To charge a filter capacitor without boosting a storage battery, and excite an induction generator.An electric diesel motor car system 10 includes: an engine 11; an induction generator 12 driven by the engine 11; a converter device 13 fo...
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JP6981093B2 |
A power converter to be mounted to a mounting portion of a host in a suspended manner includes a plurality of component-housing chassis configured to be connected together parallel to the mounting portion, the plurality of component-hous...
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JP6976236B2 |
To provide an opening/closing structure of an instrument panel cover with high designability capable of easily performing the opening/closing operation and closing safely while securing sufficient forward visibility because of the compac...
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JP2021181289A |
To provide a new method by which the cost of utilizing a power carriage that is equipped with a direct drive type main motor, is suppressed.A power carriage 10 of an electric motor vehicle comprises an axial gap type transverse flux moto...
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JP6969136B2 |
To provide a motor truck as an electric motorcar suitable for transportation concerning modal shift, and an electric power transmission apparatus mounted on the motor truck.A motor truck 100 comprises a tractor 110, an electric machine 1...
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JP6967162B2 |
In order to reduce the volume and mass of a railroad vehicle drive device as a whole while keeping overhead wiring protected from overcurrent as before, and to reduce overall cost during railroad vehicle production, this railroad vehicle...
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JP6960313B2 |
To provide a cooling structure for a railway vehicle capable of further uniformly improving cooling performance of a heat radiation part of an electric power conversion device equipped underfloor, while attaining compactification of a tr...
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JP2021172171A |
To provide a power conversion device for a railway vehicle which suppresses cooling function degrading of a heat radiation part caused by a foreign object adhesion and a contamination.A power conversion device 100 comprises: a power conv...
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JP2021169301A |
To provide a train not provided with a wiper that require maintenance and may not have sufficient wiping effect, having a similar function to a transparent windshield, enabling travel while an image projected on a screen is being watched...
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JP6951086B2 |
To provide a gear unit capable of reducing oscillation and noise produced when gear and pinion mesh by only two-dimensional tooth surface modification and with low cost in a parallel Cardan drive system railroad vehicular gear unit havin...
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JP6951061B2 |
To provide an electric vehicle control device which can efficiently use a secondary battery.An electric vehicle control device 20 has a power conversion part 26, a secondary battery 28, a voltage detection part 24, a temperature detectio...
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JPWO2020166472A1 |
It is an object of the present invention to provide a drive device for a railroad vehicle, a railroad vehicle, and a method for manufacturing the same, which can reduce the mounting cost. The drive unit of the railway vehicle in which th...
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JP6950249B2 |
To provide a railway vehicle power conversion device which enables each of a plurality of heat radiation fins to sufficiently deliver cooling (heat radiation) performance by effectively utilizing fresh air while a railway vehicle travels...
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JP6943586B2 |
To provide a bogie truck for a railway vehicle whose wheel base is short, and which can cope with existence of a third rail for power collection on a base course surface.The invention relates to a bogie truck (10) for a railway vehicle c...
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JP6946036B2 |
To provide a method by which working efficiency of waterproof process or dust disposal process is improved.In an embodiment, a vehicular control device comprises a cooling unit, devices to be cooled, a housing and elastic members. A wind...
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JP6943066B2 |
A power converter includes a chassis having attached thereto a holding fixture for mounting the chassis to a mounting portion in a suspended manner. The holding fixture includes a first member attached to a first surface of the chassis w...
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JP6936657B2 |
To provide a power converter for a high speed railway vehicle capable of reducing the size and the weight of a main body of the power converter.A power converter 100 for a high speed railway vehicle includes a power conversion unit 60 in...
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JP2021141803A |
To provide an electric current interruption system that can be implemented simply and compactly.An electric current interruption system (8) comprises: a switch (12) having a first contact (16) and a second contact (18), the first contact...
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JP6934738B2 |
To provide an easy access to a rear side of equipment installed on equipment box.The equipment box 100 for accommodating equipment installed in an operator cabin or a passenger cabin of a railway vehicle is provided that includes an open...
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JP6933485B2 |
To improve the efficiency of a partial work for a driving cab of a railway vehicle.The driving cab structure of the invention is constituted by attachably/detachably combining a plurality of modules through coupling means 72 having a pre...
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JP6931619B2 |
To suppress the sufficiency and insufficiency of a tread force, in each vehicle of an organized train.A drive system of an organized train composed of a plurality of vehicles including two or more vehicles having electric motors for cont...
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JP6933484B2 |
To reduce design man-hours of a driving cab and flexibly cope with a design change.A driving cab structure 10 includes a main module 12 including a master controller 36, a first equipment module 14 arranged at the right side of the main ...
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JP6927383B2 |
To provide an electric power conversion system for a railway vehicle in which the occurrence of such a trouble that the temperature of a second electrical instrument having low allowable temperature exceeds the allowable temperature to r...
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JP6924676B2 |
To provide a dust collection hood which can be appropriately and easily attached/detached to/from an electric motor.The present invention is a dust collection hood 5 attached to an electric motor 106 for sucking dust removed by blowing a...
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JP2021112945A |
To provide an electric vehicle capable of reducing the dynamic load of a magnetic geared motor acting on an axle body.An electric vehicle comprises: an axel; an axle body including drive wheels connected to both ends of the axle; a magne...
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JP6914426B2 |
A method and equipment determine braking-relevant actual values for a train composed of a plurality of wagons, in particular a rail vehicle, for the performance of controlled-retardation braking of the train, in which at least the longit...
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JP6914776B2 |
A power conversion device according to an embodiment comprises a semiconductor element, an air receiver, an air guide, an airflow straightener, and a flange. Assuming that the assumed travel direction of a vehicle is a first direction, t...
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JP6892251B2 |
To solve a problem that flexibility is low in a manufacturing process of an electric power conversion system.An electric power conversion system includes a housing, an electric device, protrusion members, and fixing members. The housing ...
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JP6890034B2 |
To provide a pseudo glass capable of reducing a test cost in the durability test of a railroad vehicle wiper, and to provide a manufacturing method of the pseudo glass, and a wiper durability testing apparatus.A slide surface 3 to be for...
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JP6892003B2 |
To provide an electric power conversion system for a railway vehicle in which the occurrence of such a trouble that the temperature of a second electrical instrument having low allowable temperature exceeds the allowable temperature to r...
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JP6888468B2 |
In this power converter for a railroad vehicle, a cooling portion includes a first cooling portion arranged to block up an opening while ensuring watertightness and to come into contact with a semiconductor element through the opening, a...
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JP3232207U |
To provide an internal device of a railway vehicle which improves workability of replacement of an electric device as well as attachment and detachment of the electric device to the inside of a housing. An internal device 1 of a railroad...
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JP2021086728A |
To provide a storage battery system in which the introduction of outside air into a housing for storing a storage battery and the block of the introduction can be selected according to the situation inside and outside the housing.A stora...
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JP2021084469A |
To provide a method by which driving performance is improved by means of weight saving of a truck itself and lowering its center of gravity.A truck 3 in this invention has a ring rotator 2 attached to a bracket 8 of the truck which trave...
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JP6879852B2 |
To provide a railway vehicle capable of suppressing propagation of electromagnetic noise between a plurality of cables laid on a vehicle.A railway vehicle of the invention includes a transformer 53 transforming AC power input from a curr...
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