Advics Co., Ltd.

Denso Corporation

Nippondenso Co., Ltd.

Hidemi Ikai

Takeshi Fuchida

Takashi Sato

Takahiro Yamaguchi

Hiroyuki Shinkai

Shigeki Torii

Kazutoshi Yogo

Hideo Wakata

Yukio Ishikawa

A bearing is located with movement of an outer race in the longitudinal direction of a drive shaft being restricted, and the drive shaft is fixed to an inner race with the press fit, so that, it is possible to prevent the drive shaft from escaping. In addition, the inner race is longer than the outer race. Therefore, it is possible to obtain sufficient strength of the press fit of the drive shaft in the inner race while suppressing the size of the outer race (in other words, suppressing the size of the pump device). As a consequence, the size of the pump device can be suppressed while increasing reliability of the function for preventing the drive shaft from escaping.

Pump device

A pump body includes a cylindrical first case for housing the plurality of rotary pumps, a second case located coaxially with the first case, and a disk spring located between the first case and the second case. In addition, a fixing means located at an entrance of the concave portion of a housing presses the second case in the insertion direction of the pump body and fixes the second case.

Vehicular brake device

In a radial roller bearing having an outer race and rollers, the outer race has a cylindrical portion and first and second flanges extending radially inward from opposite axial ends of the cylindrical portion. Hardness or strength of the cylindrical portion in a vicinity of the first flange is higher than that in a vicinity of the second flange. A shape of the first flange is different from that of the second flange. When the radial roller bearing is assembled to hold a rotating shaft on which a radial load acts, the outer race is easily oriented in an axial direction of the rotating shaft based on the shape difference between the first and second flanges so that the cylindrical portion in the vicinity of the first flange receives higher bearing pressure due to the radial load. Accordingly, flaking or peeling is unlikely to occur so that life time endurance and strength of the radial roller bearing is improved.

Radial roller bearing, rotating apparatus using same and method of manufacturing the apparatus

In a braking pressure control apparatus for a vehicle, a first valve connected between a hydraulic pressure source and a wheel cylinder serves to permit and inhibit a supply of brake fluid to the wheel cylinder from the hydraulic pressure source. A second valve connected between the wheel cylinder and a reservoir serves to permit and inhibit an escape of the brake fluid from the wheel cylinder toward the reservoir. A control device serves to output control signals to the first and second valves respectively to control the braking pressure in the wheel cylinder in response to a detected running condition of the vehicle. The control device includes a deciding section for deciding whether or not a small variation in the braking pressure in the wheel cylinder should be done on the basis of the detected running condition of the vehicle, and an outputting section for, when the deciding section decides that the small variation in the braking pressure in the wheel cylinder should be done, simultaneously outputting the control signals to the first and second valves to simultaneously execute the supply of the brake fluid to the wheel cylinder and the escape of the brake fluid from the wheel cylinder.

ABS proportional valve capable of remaining open while the wheel

Growing community of inventors

Kariya, Japan

Hidemi Ikai