Method of controlling heat buildup in a clutch
An automatic clutch control method and system includes steps for controlling a vehicle master clutch to prevent the clutch from destructively overheating due to excessive slipping. A heat buildup value is determined from various engine operating parameters, such as output torque, engine speed, and i...
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Main Author | |
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Format | Patent |
Language | English French German |
Published |
24.07.2002
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Abstract | An automatic clutch control method and system includes steps for controlling a vehicle master clutch to prevent the clutch from destructively overheating due to excessive slipping. A heat buildup value is determined from various engine operating parameters, such as output torque, engine speed, and input shaft speed. The heat buildup value can be increased or decreased depending on the various engine operating parameters. A signal generating device is responsive to the heat buildup value exceeding a first predetermined heat buildup limit to generate a clutch protection output signal effective to cause the clutch to be operated in an aggressive mode of operation to fully engage the clutch at a faster rate. The signal generating device is also response to the heat build value exceeding a second predetermined heat buildup limit and slow vehicle speed to generate a clutch protection output signal effective to cause the clutch to be operated in a fully disengaged mode of operation. |
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AbstractList | An automatic clutch control method and system includes steps for controlling a vehicle master clutch to prevent the clutch from destructively overheating due to excessive slipping. A heat buildup value is determined from various engine operating parameters, such as output torque, engine speed, and input shaft speed. The heat buildup value can be increased or decreased depending on the various engine operating parameters. A signal generating device is responsive to the heat buildup value exceeding a first predetermined heat buildup limit to generate a clutch protection output signal effective to cause the clutch to be operated in an aggressive mode of operation to fully engage the clutch at a faster rate. The signal generating device is also response to the heat build value exceeding a second predetermined heat buildup limit and slow vehicle speed to generate a clutch protection output signal effective to cause the clutch to be operated in a fully disengaged mode of operation. |
Author | STEEBY, JOHN ALLEN |
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Discipline | Medicine Chemistry Sciences |
DocumentTitleAlternate | Méthode de contrôle de l'échauffement dans un embrayage Methode zur Kontrolle der Wärmeentwicklung in einer Kupplung |
Edition | 7 |
ExternalDocumentID | EP1225362A2 |
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Notes | Application Number: EP20020000765 |
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RelatedCompanies | EATON CORPORATION |
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Snippet | An automatic clutch control method and system includes steps for controlling a vehicle master clutch to prevent the clutch from destructively overheating due... |
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SubjectTerms | BLASTING BRAKES CLUTCHES CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES COUPLINGS FOR TRANSMITTING ROTATION ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS |
Title | Method of controlling heat buildup in a clutch |
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