Processo de determinar um parâmetro associado com, e a pressão de controle requerida para, o engate inicial de elementos de embreagem em uma transmissão de deslocamento de potência

Processo de determinar um parâmetro associado com, e a pressão de controle requerida para, o engate inicial de elementos de embreagem em uma transmissão de deslocamento de potência

A vehicle powershift transmission has a lube oil passage which communicates lube oil to a clutch pack. Communication of lube oil is controlled as a function of the engagement state of the clutch pack. The hydraulic control pressure required to initially engage the clutch pack is determined or calibr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: MICHAEL DUANE TESTERMAN
Format: Patent
Sprache:por
Schlagworte:
BLASTING
BRAKES
CLUTCHES
COUPLINGS FOR TRANSMITTING ROTATION
ENGINEERING ELEMENTS AND UNITS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
THERMAL INSULATION IN GENERAL
WEAPONS
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Beschreibung
Zusammenfassung:A vehicle powershift transmission has a lube oil passage which communicates lube oil to a clutch pack. Communication of lube oil is controlled as a function of the engagement state of the clutch pack. The hydraulic control pressure required to initially engage the clutch pack is determined or calibrated by a method wherein the lube oil pressure is monitored while the clutch control pressure is gradually increased. When the lube oil pressure reaches a certain level corresponding to clutch pack engagement, the current value of the control pressure is saved as the calibration pressure.