Mitsubishi Jidosha Kogyo Kabushiki Kaisha

Nok Corporation

Nobuo Takei

Jun Isomoto

Kaoru Anzue

Kenjiro Hatayama

Kazuyuki Nakazato

Eiji Kawazoe

A cylinder head device for an internal combustion engine has a cylinder head with a mounting hole in which a fuel injector is inserted and a ring-shaped metal gasket. The mounting hole has an annular seat surface for supporting the fuel injector therein. The metal gasket is sandwiched between the fuel injector and the seat surface. The metal gasket includes a core and a coating layer for covering the entire surface of the core. The core has a contour approximately formed in the shape of a truncated cone in section, and also has inner and outer circumferential edges curved in an arc shape.

Cylinder head device for internal combustion engine

A sealing assembly is adapted to be disposed between a stationary part and a rotary shaft in the stationary part so as to provide a seal in the gap between the stationary part and the rotary shaft. The sealing assembly has a slinger capable of rotating as a unit with the rotary shaft, and a rubber seal having a lip which makes a sliding contact with the slinger. The portion of the slinger contacted by the lip of the rubber seal is provided with apertures which allow a lubricating oil to flow into the region of the sliding contact between the lip of the seal rubber and the portion of the slinger.

Excluder type seal with sliding friction reducing feature

A sealing device is adapted to be disposed between a stationary part and a rotary shaft in the stationary part so as provide a seal in the gap between the stationary part and the rotary shaft. The sealing device has a slinger secured to one of the stationary part and the rotary shaft and a rubber seal secured to the other of the stationary part and the rotary shaft and provided with a lip which makes a resilient pressure contact with the slinger. When the rotation speed of the rotary shaft is increased, centrifugal force is increased to cause a tendency to decrease the pressure of contact between the lip and the slinger so that the wear of the lip is prevented to improve the durability of the sealing device. In addition, the resistance torque produced by the sealing device is not increased substantially even when the speed of rotation of the rotary shaft is increased.

Growing community of inventors

Kyoto, Japan

Nobuo Takei