1
Hidenobu Tatematsu, Tohru Nakamura, Hitoshi Koshimizu, Toshihiko Morishita, Hideki Kotaki: Cement-additive for inhibiting concrete-deterioration. Nippon Chemical Industrial, Railway Technical Research Institute, Oblon Spivak McClelland Maier & Neustadt, July 25, 1995: US05435846 (33 worldwide citation)

A cement additive for inhibiting concrete deterioration contains as an effective component a powder mixture of an inorganic cation exchanger, such as a highly calcium-substituted zeolite, and an inorganic anion exchanger, such as hydrocalumite. The cement additive inhibits the alkali-aggregate react ...


2
Junji Fujie, Hiroshi Nakashima, Shunsuke Fujiwara: Levitation, propulsion and guidance mechanism for inductive repulsion-type magnetically levitated railway. Railway Technical Research Institute, Armstrong Nikaido Marmelstein Kubovcik & Murray, April 3, 1990: US04913059 (29 worldwide citation)

A levitation, propulsion and guidance mechanism for an inductive repulsion-type magnetically levitated railway in which a vehicle runs along a track bed has superconducting coils fixedly arranged vertically on both sides of the truck of the vehicle at predetermined intervals therealong in a directio ...


3
Naoto Mifune, Yasutaka Nagai, Masaaki Ashizawa, Kazuo Nishimoto, Takahiro Niwa, Shuji Ito, Masanori Hansaka: Vibration damping material. Nichias Corporation, Railway Technical Research Institute, Flynn Thiel Boutell & Tanis, April 5, 1994: US05300355 (18 worldwide citation)

In order to provide a damping material exhibiting an excellent vibration damping property in a wide temperature range, according to the present invention, in a magnetic composite type damping material constructed by bonding an adhesive elastic sheet containing magnetic powder to a constraining plate ...


4
Tomoki Watanabe, Yukio Nitta, Kouichi Sato, Yoshiya Fuse, Koji Kinoshita: Electrical insulating bearing. Railway Technical Research Institute, Bando Chemical, Wenderoth Lind & Ponack, October 22, 1991: US05059041 (16 worldwide citation)

A bearing is provided with a rolling element interposed between an outer ring and an inner ring thereof. The outer ring of the bearing is formed by integrating three elements, a metallic outer ring body having a path of rotation for the rolling elements, an insulating thin film made of a polymer ela ...


5
Masao Suzuki: Ground coil for magnetically levitated railway and method of producing the same. Railway Technical Research Institute, Nikaido Marmelstein Murray & Oram, January 12, 1993: US05178072 (16 worldwide citation)

In order to produce a ground coil for a magnetically levitated railway, coils each composed of a conductor coiled in a plurality of turns are arranged in a metal mold, and a synthetic resin forming reactive liquid is injected and cured in the metal mold by reaction injection molding. Furthermore, a ...


6
Yasutsugu Ohki, Shin ichi Hase, Hiroyasu Toda, Kouichi Matsuoka, Tetsuo Uzuka: Linear magnetization mover motor due to linear force resulting from the interaction between magnetostatic induction element and electromagnetic coil. Railway Technical Research Institute, Yasutsugu Ohki, Finnegan Henderson Farabow Garrett & Dunner, April 12, 1994: US05302872 (14 worldwide citation)

A linear motor has a mover that is a magnetostatic induction element and is relatively movable through electromagnetic coils or the like. The mover has a length of a magnetic path which derives attraction from the coil in regard to the length of the electromagnetic coil. As the magnetostatic inducti ...


7
Tetsuji Honjo, Hiroshi Fuji, Yuichi Nakamura, Teruo Izumi, Takeshi Araki, Yutaka Yamada, Izumi Hirabayashi, Yuh Shiohara, Yasuhiro Iijima, Kaoru Takeda: Tape-formed oxide superconductor. International Superconductivity Technology Center The Juridicial Foundation, Showa Electric Wire & Cable, Fujikura, Railway Technical Research Institute, Kabushiki Kaisha Toshiba, Lorusso Loud & Kelly, August 26, 2003: US06610632 (14 worldwide citation)

The present invention provides a tape-form oxide superconductor having a high degree of c-axis alignment and in-plane alignment and an improved Jc value. On a tape-form metal substrate which is non-magnetic or weakly magnetic and has high strength, there are sequentially formed a first intermediate ...


8
Taro Tsujimura, Shuji Manabe, Akira Watanabe, Yoshihiro Sugai: Brake disk material for railroad vehicle. Railway Technical Research Institute, Mitsubishi Aluminum Kabushiki Kaisha, Wenderoth Lind & Ponack, July 2, 1991: US05028494 (12 worldwide citation)

An aluminum composite material as a brake disk material for railroad vehicles is obtained by dispersing and mixing reinforcement particles of alumina, silicon carbide or the like into an aluminum alloy. The reinforcement particles are 5 to 100 .mu.m in diameter, and are dispersed uniformly in the al ...


9
Koichi Matsuoka, Minoru Kondo, Yasunari Terada, Takashi Nagayama, Katsuhiko Ibusuki, Nobuyuki Yagi, Tsutomu Kinoshita: Totally enclosed type driving electric motor. Kabushiki Kaisha Toshiba, Railway Technical Research Institute, Finnegan Henderson Farabow Garrett & Dunner L, August 10, 2004: US06774514 (11 worldwide citation)

The invention relates to a totally enclosed type driving electric motor in which a stator core having a coil is attached to an inner peripheral portion of a frame, a bearing bracket supporting a bearing is attached to one end of the frame, a housing supporting a bearing is attached to another end of ...


10
Hiromasa Fukuyama, Satoru Aihara, Masato Murakami, Hiroyuki Fujimoto, Akihiro Kondoh, Hiroshi Takaichi, Naoki Koshizuka: Superconducting bearing unit and operating method thereof. International Superconductivity Technology Center, Nippon Steel Corporation, Railway Technical Research Institute, Kawasaki Jukogyo Kabushiki Kaisha, Shikoku Electric Power Co, Helfgott & Karas, August 23, 1994: US05341059 (11 worldwide citation)

A superconducting bearing unit compring a permanent magnet mounted to a rotating shaft and a superconducting body mounted on the inner periphery of a housing surrounding the shaft, the superconducting member being adapted to be cooled with the rotating shaft moved upwards until it attains a supercon ...