US Patent 9222578 Electro-hydraulic control system diagnostics
Patent 9222578 was granted and assigned to Allison Transmission on December, 2015 by the United States Patent and Trademark Office.
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Patent abstract
Various embodiments of methods, apparatus and systems that diagnose and/or detect faults of an electro-hydraulic control system for a transmission are presented. Some embodiments, adjust a main line pressure of the electro-hydraulic control system and detect faults based upon changes in a pressure switch resulting from such adjustments of the main line pressure. The pressure switch may be incorporated into a control main valve or a clutch trim valve of the electro-hydraulic control system.
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US Patent 09222578 Electro-hydraulic control system diagnostics US Patent 9222578 Electro-hydraulic control system diagnostics
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Patent Number
0922257800
Patent Number
922257800
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Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
092225780
Date of Patent
December 29, 2015
0Patent Application Number
142313000
Date Filed
March 31, 2014
0Official Website
Patent Primary Examiner
0
Edits on 5 Oct, 2022
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Infobox
Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
092225780
Date of Patent
December 29, 2015
0Patent Application Number
142313000
Date Filed
March 31, 2014
0Official Website
Patent Primary Examiner
0
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US Patent 09222578 Electro-hydraulic control system diagnostics
Infobox
Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
09222578
Date of patent
December 29, 2015
Patent application number
14231300
Date Filed
March 31, 2014
Patent primary examiner
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