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JP2023017408A |
To assist propulsion force when propelling a connected manually operated trolley with a brake forward.An electrically driven assisting trolley comprises: a wheel 34A; a power device 36 driving the wheel 34A; a battery 38 driving a motor ...
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JP7213039B2 |
To reduce a necessary fitting space for adaptation to a non-electrification section in an electric power system for electric motor vehicle that enables travels in both an electrification section and the non-electrification section.An ele...
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JP7211671B2 |
To provide a vibration-proof support structure for an outfit fitted to a railway vehicle, for which structure, maintainability is well considered.In an outfit unit 160 which is an underfloor outfit hung from and kept under a floor body s...
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JP7195833B2 |
To provide an electric power conversion device which suppresses degrading of the cooling efficiency of an electric power conversion unit including an electric power conversion element part.In an electric power conversion device 8, in an ...
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JP7190946B2 |
This power supply device is provided with: a primary power supply system for supplying power to a motor for rotary-driving a running wheel; a voltage converter unit for converting voltage by being supplied with a part of the power from t...
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JP2022184300A |
To prevent an inspection cover 3 installed to close an opening 2 from falling off from a railway vehicular device box CB even when an inner pressure of the railway vehicular device box elevates high due to a rupture or an explosion of st...
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JP2022182953A |
To provide a power conversion device for a railway vehicle capable of making traveling wind easily flow into a cooling fin arranged in a recessed part of a housing for the power conversion device.A power conversion device 100 includes: a...
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JP7182898B2 |
According to an embodiment, a power supply system for an electric motor car includes a first terminal, a second terminal, and a conversion unit. The first terminal is electrically connected to one of a power storage device and an overhea...
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JP7183396B2 |
A drive control device includes a self-excited generator to generate and output electric power by being driven by an internal combustion engine, and a separately excited generator to generate and output electric power by being driven by ...
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JP7177761B2 |
To provide a friction force improvement device which mitigates a slip/slide problem for a railroad vehicle and improves slip/slide control characteristics thereof when a rail surface is in a water lubrication condition.A friction force i...
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JP2022173802A |
To provide a T-joint structure which enables beam welding from a vertical plate side of a T-joint.A T-joint structure includes a welded part which is welded such that an end surface of a vertical plate and a front surface of a horizontal...
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JP2022547731A |
The system (600) includes a first compressor (602) that produces compressed air that supplies the main tank (616) and the main brake pipe (617) of the railcar through an air dryer unit (615), and an air conditioning system (620). ), and ...
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JP2022546847A |
A system for improved intermodal freight transportation is described herein. An improved carriage and support truss is provided that beneficially moves the load structure to interconnected support trusses to form the upper end spine of a...
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JP2022546870A |
The present invention provides a power module (12) for a railway vehicle (10) comprising a current conversion device (20) and a cooling device (22) for the conversion device, wherein the conversion device comprises a plurality of convers...
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JP7167566B2 |
To provide an electric power conversion system for a railway vehicle which can suppress lifetime reduction of an apparatus body of the system caused by change in temperature of the body that arises during operations of the vehicle.This e...
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JP7164464B2 |
Radios used in conventional radio-type train control systems are often general-purpose machines usable in other industries and were not necessarily suitable in train control systems. For this reason, in the present invention, an on-boa...
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JP7157668B2 |
To provide a vibration-proof support structure which not only surely exhibits original vibration-proof effect by an elastic support structure but also prevents generation of fretting wear and noise.In a vibration-proof support structure ...
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JP2022160801A |
To provide a power conversion device for a railroad vehicle capable of suppressing the generation of clogging in a filter due to dust particles entering from a housing ventilation hole.In a power conversion device 100 for a railroad vehi...
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JP7154296B2 |
A vehicle power conversion apparatus according to the present disclosure includes a housing attached to a vehicle, a cooler including a heat receiver that is disposed on the side near the housing and has a heated surface provided with se...
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JP7154397B2 |
Provided is a power conversion device for a railway vehicle which has a compact and lightweight configuration and is yet capable of effectively blocking noise. A heat exchanger 5 and a frame for holding the heat exchanger 5 are equipped ...
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JP7152231B2 |
To provide an electric power conversion device for a railway vehicle which suppresses not only deterioration of components in an air duct part but also degradation of cooling characteristics of the air duct part caused by intrusion of fo...
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JP2022149650A |
To provide a technique that can standardize railroad cars in reducing a set of the railroad cars.A railroad car is equipped with: a main transformer 210 mounted on an underframe 110 provided with a plurality of transverse beams 115; and ...
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JP7146653B2 |
To provide a technique that can make good use of characteristics of a train such that swing of a railroad vehicle is not transmitted to other railroad vehicles connected through couplers so as to detect whether swing of a railroad train ...
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JP2022139450A |
To provide a vehicle formation which can cope with long-distance transportation and has a high degree of freedom of the formation, as compared to the vehicle formation including a power vehicle on which both of travelling power generatio...
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JP2022135839A |
To improve a regenerative braking device of a train.An air driven device is used as an air motor by using a high pressure air pump of an air cylinder when starting or accelerating a train. Further, the air driven device is used as an air...
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JP7132091B2 |
To provide a power converter capable of securing desired cooling performance and strength while supplying traveling wind to a circulation path between a plurality of fins effectively.The power converter includes a semiconductor element, ...
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JP7125945B2 |
A system is provided for simulating contact between wheel and rail, in particular of a railway vehicle, comprising at least one hollow cylindrical structure having a first diameter and including a rail simulation surface arranged integra...
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JP7117907B2 |
This condition monitoring device has at least: a sensor 201 that is attached to electric wiring 22 connecting a power conversion device 101 and a rotating electric machine 102 and measures at least either the current or the voltage in th...
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JP2022117969A |
To provide a cooler capable of reducing the weight of a fan without sacrifice of the reliability and service life of the fan.A cooler (28) for electric motor (24) includes: a jacket (40) defining an air guiding path (58) connecting an ai...
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JP7117262B2 |
To provide a vibration control device for a railway vehicle which determines a false wiring of cable connected to a damping force adjustment type buffer and suppresses controlling the damping force in a state with a false wiring.Buffers ...
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JP7116565B2 |
Effectively control the temperature of a control unit of a railway equipment inspecting and measuring apparatus, and install the control unit of the railway equipment inspecting and measuring on the roof of the passenger car. The first s...
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JP2022114534A |
To provide: a railway vehicle power storage device which is small-sized and light-weighted, and has an easy maintainability, a high reliability structure and a good cooling performance; and a cooling method for the device.A power storage...
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JP7110061B2 |
To provide a method by which a friction force related to a wheel of a railway vehicle is improved.A friction force improvement device 1 comprises: injectors 10a, 10b which are installed in a railway vehicle traveling with a steel wheel 3...
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JP2022109866A |
To provide a railroad vehicle capable of facilitating inflow of travel wind into a cooling fin arranged in a concave part at a lower part of a main body of the railroad vehicle.A railroad vehicle 10 includes: a main body 11 of the railro...
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JP7104570B2 |
To solve the following problems that a relative displacement is caused due to a positional gap between a top plate and a side plate when an inertial force acts on an electric component for a railway vehicle by acceleration or deceleratio...
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JP7103864B2 |
To minimize a replacement frequency of a lubricant by sufficiently suppressing temperature rise of the lubricant in a gear device for a railway vehicle in which a small gear and a large gear 3 are housed in a gear box 1 in a state of bei...
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JP2022092663A |
To provide a railroad vehicle capable of post-fitting a monitor for safety confirmation to a driving cab without interfering with access to another device arranged in the driving cab or in its vicinity.A railroad vehicle 1A including a d...
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JP7086699B2 |
To provide a power converter capable of supplying traveling wind to a wind receiving part effectively and securing cooling performance and the strength of the wind receiving part.The power converter includes a semiconductor element, a wi...
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JP7086106B2 |
A rail vehicle has a vehicle frame, supported on track undercarriages, and a vehicle superstructure with at least one driver's cabin. A motive drive is provided and has an electric motor supplied by an electric energy store. In this, it ...
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JP2022087938A |
To provide a gear unit 1 for a railway vehicle that has a first bearing attachment part 8a1 and a first lid body 8a2 and prevents lubricant from leaking out to the outside of the first bearing lid 8a mounted on a first side wall 31 of a ...
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JP2022082896A |
To prevent lubricant L supplied to a first bearing 9a from flowing back in a return hole 15, in a gear unit 1 for a railway vehicle in which a first bearing lid 10a having a first bearing mounting part 10a1 in which for a direction from ...
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JP7079642B2 |
To provide a railway vehicle which can offer requested ride comfort in response to various situations.A railway vehicle 1 comprises at least one of a viscous damper 42 installed between a truck frame 32 and wheels 33 and a viscous damper...
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JP2022080522A |
To provide an air compression device which can introduce a sufficient quantity of air to a suction side even if the ventilation resistance of a main filter at the suction side is increased, and an air absorption device.An air compression...
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JP7077393B1 |
To provide a railway vehicle capable of reducing the vibration of a coupling member generated by resonating with the vibration of an electric device suspended from the coupling member. A connecting member 30 for connecting a pair of side...
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JP7076231B2 |
To provide a gear device for a diesel railcar which can be reduced in size and weight even if it is an orthogonal gear type gear device incorporating a clutch.A gear device 10 incorporating a built-in hydraulic clutch in which an input s...
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JP7072675B2 |
In a case where a plurality of heat generating bodies are disposed within a single wind tunnel mounted below a floor of a railway vehicle, when heat calculation is performed for the entire interior of the wind tunnel in a state in which ...
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JP2022073221A |
To reduce types of vehicles that are organized when reducing cost for organization of a drive device for a railway vehicle and the entire vehicles.An arrangement structure of a drive device comprises: a line breaker which shuts down a DC...
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JP2022071271A |
To further prevent a lubricant L from being leaked to an outside of a gearbox 3 in a gear device 1 for railway vehicle in which a first bearing lid 8a including a first bearing mounting part 8a1 to which a first bearing 7a supporting a g...
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JP2022070742A |
To provide a highly reliable vehicle drive device.A vehicle drive device according to an embodiment comprises: a converter 3 which converts alternate current power, supplied from a generator 2 converting mechanical energy of an engine 1 ...
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JP2022060662A |
To provide a battery-driven vehicle that drives an electric motor by using a storage battery as a power supply source and to provide a transport system that enables a long distance transport by enabling exchange of an electrolytic soluti...
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