Electric power supplying equipment (1) and an electric power receiving device (2) include a primary self resonant coil (30) and a secondary self resonant coil (60), respectively, resonating through an electromagnetic field to allow the electric power suppl...

Electric power feeding equipment (1) and an electric power receiving device (2) include a primary self resonant coil (30) and a secondary self resonant coil (60), respectively, resonating through an electromagnetic field to allow the electric power feeding...

A controller for an engine (10) including a fuel vapor processing mechanism (30). The controller determines the amount of fuel vapor drawn into an intake passage based on the concentration of fuel vapor purged into the purge passage. The controller correct...

A tire air pressure detection device of the present invention includes a warning anticipation timing calculating portion for anticipating a warning timing at which tire air pressure decrease detecting portion will detect the tire air pressure decrease base...

A tire air pressure detection device includes an ideal driving status calculating portion (3e) and a rotational status value compensating portion (3f). The ideal driving status calculating portion calculates an ideal status value ( beta id) corresponding t...

A high-pressure pump (P) for use in a fuel injection system for diesel engines is provided which includes a plunger (21) slidably disposed within a chamber (11) formed in a pump housing (1) to define a pressure chamber (23) whose volume is changed accordin...