Overdrive piston retainer

A replacement overdrive piston retainer for an automatic transmission that rotationally engages and interconnects the reverse drum within the transmission housing to the overdrive clutch assembly, which is mounted on the exterior of the housing is disclosed. An integral hub diameter formed on the pr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	JACKSON SCOTT C
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING 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 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 WEAPONS
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Beschreibung
Zusammenfassung:	A replacement overdrive piston retainer for an automatic transmission that rotationally engages and interconnects the reverse drum within the transmission housing to the overdrive clutch assembly, which is mounted on the exterior of the housing is disclosed. An integral hub diameter formed on the present piston retainer provides a plurality of lubrication sites positioned at predetermined angular locations to deliver automatic transmission fluid to the interface of the hub diameter and the reverse drum in timed relation to the rotation of the reverse drum in an amount sufficient to maintain clearance and to minimize premature wear and galling at the interface of the components. In addition, lubrication reservoirs have been integrally formed within the hub diameter in fluid communication with the lubrication sites to improve the flow of automatic transmission fluid through the piston retainer to the mating interface of the hub diameter and the reverse drum.