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:
Sep. 20, 2016
Filed:
Jul. 11, 2011
Rentaro Kuroki, Susono, JP;
Daisaku Sawada, Gotenba, JP;
Akira Kato, Susono, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-ken, JP;
Abstract
[Subject] A low-cost and brief method to detect an airtight failure in a working-gas circulating type gas engine with sufficient accuracy and a working-gas circulating type gas engine using the method should be provided. [Means for Solution] In a working-gas circulating type gas engine, an extra predetermined quantity 1 of at least one of fuel gas, oxidizer gas, and working gas is supplied as surplus gas into a circulation passage. Based on the difference between this predetermined quantity 1 and increment of this predetermined quantity 1 and the increment of the quantity of the gas in the circulation passage separately detected by a gas quantity detecting means, the existence of an airtight failure in the engine is judged.