About 323 results
Showing the first 200 results.
https://drivepatents.com/patents/972616 · 16 Jul 2014
An over temperature protection device for electric motors applicable to a railway vehicle driving system that operates a plurality of electric motors in parallel using one or a plurality of inverter devices includes a control device 14 configured to contro...
https://drivepatents.com/patents/972459 · 16 Jul 2014
There is provided a vehicle starting apparatus that reduces vibration of an engine caused when the engine starts so that vibration of the vehicle can be decreased. A vehicle starting apparatus according to the present invention is provided with an engine s...
https://drivepatents.com/patents/974098 · 4 Jun 2014
A propulsion control apparatus includes power converting units 9 and 10 capable of performing bidirectional power flow control, an ACL 11 provided on each alternating-current end side of the power converting units 9 and 10, a switching device 14 performing...
https://drivepatents.com/patents/974701 · 21 May 2014
A vehicle charge system (1) has a connection cable (2) to supply power from an outside power supply (9), such as a commercial power supply, a driving battery (4), an auxiliary battery (6), a driving battery charge apparatus (3), and an auxiliary battery ch...
https://drivepatents.com/patents/975693 · 30 Apr 2014
A train-information management device that manages train control information as a control command signal, and includes a central unit 10 that collates a distance in kilometers measured on a vehicle with track information including a position of an air sect...
https://drivepatents.com/patents/975945 · 23 Apr 2014
It is an object to obtain a heat pump device that can efficiently feed a high-frequency current to an electric motor and effectively heat a compressor. The heat pump device includes a compressor 1 including a compression mechanism 7 configured to compress ...
https://drivepatents.com/patents/976195 · 16 Apr 2014
To provide a refrigerating and air-conditioning apparatus capable of performing an operation for defrosting an outdoor heat exchanger in a heating operation under such air conditions that the outdoor heat exchanger is frosted, while continuing the heating ...
https://drivepatents.com/patents/976414 · 9 Apr 2014
There is provided an air-conditioning apparatus (10) including an auxiliary power supply 5 that, when a voltage from an overhead line (3) extending over sections powered by different power sources is stepped down with a transformer (4), converts the voltag...
https://drivepatents.com/patents/976384 · 9 Apr 2014
In vehicle air-conditioning devices (100) to (105) including a refrigerant circuit having a compressor (1), an outdoor heat exchanger (2), an expansion device (3), and an indoor heat exchanger (4) that are connected by refrigerant pipes to form a refrigera...
https://drivepatents.com/patents/976296 · 9 Apr 2014
The total electric power that is supplied to a house, the electric power that is consumed by electrical equipment that is used in the house, and electric power that is generated by an electric power generator are automatically displayed together with weath...