Abstract: A rotary electrical machine comprises: a stator core; a rotor core arranged at the inner periphery of this stator core; a bracket connected with one end of the stator core; a first bearing arranged by means of the bracket; a frame and a housing connected with the other end of the stator core; a second bearing arranged by means of the housing; a ventilation fan provided between the rotor core and the first bearing, with vanes provided on the outside in the axial direction; a rotor shaft that is freely rotatably supported by the first bearing and second bearing; an inlet provided in the frame or the housing; and an outlet provided in the frame or the housing.
Type:
Grant
Filed:
May 8, 2006
Date of Patent:
January 5, 2010
Assignee:
Kabushiki Kaisha Toshiba
Inventors:
Takashi Nagayama, Masato Hashimoto, Koji Okada
Abstract: This invention relates to a rubber composition for seismic isolation laminate which exhibits excellent damping capacity as well as sufficient hardening properties. Such rubber composition for a seismic isolation laminate comprises at least a diene rubber; and 40 to 160 parts by weight of carbon black having a CTAB specific surface area of 120 to 370 (m2/g) and a CTAB specific surface area (m2/g)/iodine adsorption (mg/g) of up to 1.0 per 100 parts by weight of the diene rubber.
Type:
Grant
Filed:
July 21, 1999
Date of Patent:
January 30, 2001
Assignee:
The Yokohama Rubber Co., Ltd.
Inventors:
Jun Shimada, Hideyuki Oishi, Takashi Shirokawa