Toyota Jidosha Kabushiki Kaisha

Nippondenso Co., Ltd.

Yukihiro Okane

Tomojiro Sugimoto

Katsuhisa Yamada

Osamu Komeda

Takeshi Yamada

Kenji Okabe

Akio Kuramoto

Akito Adachi

Kenji Ohkubo

Takeshi Matsuda

Hiroshi Itou

Koji Endo

Hideyuki Nakai

Kazuhiro Minamitani

Kazuhiro Shinomiya

Masayoshi Nakai

Sadamu Tsuge

An energy-saving driving promotion system includes: a vehicle state detecting device; a current value calculating device that calculates a current value associated with an accelerator operation amount or a vehicle drive power; a recommended value calculating device that calculates a recommended value associated with the accelerator operation amount or the vehicle drive power; an indicator device that indicates a relationship between the calculated recommended value and the calculated current value; and an acceleration intention determining device that determines whether a driver intends to accelerate. If the acceleration intention determining device determines that the driver intends to accelerate, the recommended value calculating device calculates a larger recommended value when the acceleration intention determining device determines that the driver intends to accelerate than when the acceleration intention determining device determines that the driver does not intend to accelerate.

Energy-saving driving promotion system and method

A fuel pump apparatus disposed within a fuel tank which may be employed in automotive vehicles is disclosed. The fuel pump apparatus includes a fuel pump, a filter, and a conductive member. The fuel pump is disposed within a conductive pump housing. The filter includes a filter element and a conductive filter casing. The filter element removes particles contained in fuel which is discharged from the fuel pump and returned to the fuel tank. The conductive member electrically connects between the pump housing and the filter casing for dissipating electrostatic charges generated by the friction between the filter element and the fuel passing through the filter element.

In-tank fuel pump apparatus having improved structure for dissipating

A low-pressure fuel filter is disposed in a fuel-return pipe from the fuel pressure regulator. In a portion of the fuel-return pipe between the fuel pressure regulator and a fuel element of the low-pressure fuel filter, a bypass device which includes, for example, a jet pump or an aperture may be provided so that fuel can flow back to the fuel tank, bypassing the fuel filter when the fuel filter is blocked.

Fuel supply apparatus for an internal combustion engine

An engine comprising a mechanically driven charger arranged in the intake passage downstream of the throttle valve. A bypass passage is branched from the intake passage between the throttle valve and the mechanically driven charger and connected to the intake passage downstream of the mechanically driven charger. A relief valve is arranged in the bypass passage to control the maximum charging pressure produced in the intake passage downstream of the mechanically driven charger. The relief valve is controlled so that the maximum charging pressure is increased when the engine is operating at a low or middle speed, and the maximum charging pressure is reduced when the engine is operating at a high speed.

Device for controlling charging pressure of a supercharged internal

An intake air control device for an internal combustion engine having a battery, an electrically operated fuel pump, a fuel injector, an intake air flow control means operative in response to the running condition of the engine, and an operating means for operating the air flow control means. The device further comprises a detecting means for detecting the voltage of the battery, and a control means for controlling the operating means for the intake air flow control means such that the amount of the intake air is decreased when the detected voltage is lower than a predetermined value.

Intake air control device for an internal combustion engine

Growing community of inventors

Toyota, Japan

Yukihiro Okane