Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mazda Motor Corp
Original Assignee
Mazda Motor Corp
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Filing date
Publication date
Application filed by Mazda Motor CorpfiledCriticalMazda Motor Corp
Priority to JP6088187UpriorityCriticalpatent/JPH068260Y2/ja
Publication of JPS63168209UpublicationCriticalpatent/JPS63168209U/ja
Application grantedgrantedCritical
Publication of JPH068260Y2publicationCriticalpatent/JPH068260Y2/ja
Differential pressure calculating device and method for calculating differential pressure between the upstream section and the downstream section of filter, and deposition amount estimating device and method for estimating deposition amount of particulate matter on the filter
