A sealing member is adapted to seal a gap between an outer peripheral portion of a rotor and a housing of a gas preheater or a gap between a side face of the rotor and a radial sealing plate. This sealing member (24) includes a main body made of an alumina ceramic and a film formed on a surface of the main body. The film is made of a glaze having a coefficient of thermal expansion smaller than that of the main body. A sealing structure using such a sealing member is also disclosed for sealing the gas preheater. Further, it may be that the sealing member is at least partially made of an inorganic glass and/or a wear resistive ceramic, and a sealing structure is provided with a solid lubricant-molded body (30) to be pressed against a sliding surface of an opponent member on which the sealing member slides. <IMAGE>
申请公布号
DE69201799(D1)
申请公布日期
1995.05.04
申请号
DE1992601799
申请日期
1992.01.13
申请人
NGK INSULATORS, LTD., NAGOYA, AICHI, JP
发明人
SEIKE, SHOJI, NAGOYA CITY, AICHI PREF., JP;IKAMI, TOSHIICHI, KONAN CITY, AICHI PREF., JP;NISHIOKA, MASAO, MIZUHO-KU, NAGOYA CITY, AICHI PREF., JP