The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 29, 1984
Filed:
Aug. 31, 1981
Kiminari Kato, Nagoya, JP;
NGK Insulators, Ltd., Nagoya, JP;
Abstract
A low thermal expansion ceramic article having a thermal expansion coefficient of not higher than 2.5.times.10.sup.-6 /.degree.C. within the temperature range of 40.degree.-800.degree. C., and comprising a plural number of ceramic parts bonded into a monolithic structure through glass-ceramics consisting mainly of 10-20% of MgO, 20-40% of Al.sub.2 O.sub.3, 40-60% of SiO.sub.2, 0.1-3% of BaO and 0.01-1% of ZrO.sub.2, is excellent in the heat resistance and in the thermal shock resistance, and can be advantageously used as a rotary regenerator type heat exchanger and a recuperative heat exchanger for gas turbine engine, stirling engine, and industrial apparatuses; and a rotor for turbocharger.