PISTON ASSEMBLY FOR HYDRAULICALLY OPERATED PISTON-TYPE RETARDERS

PISTON ASSEMBLY FOR HYDRAULICALLY OPERATED PISTON-TYPE RETARDERS

The invention relates to a piston assembly for use in a hydraulically operated piston-type retarder. The piston assembly comprises a piston rod 1, a piston head 2, a speed spring 3, a closure member 4, a spacer member 5, a retainer member 9 and alock nut 6. The piston head 2 is provided with a set o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: VAN HEERDEN, ANDRE JACQUES
Format: Patent
Sprache:eng ; fre
Schlagworte:
OTHER AUXILIARY EQUIPMENT FOR RAILWAYS
PERFORMING OPERATIONS
RAILWAYS
TRANSPORTING
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Beschreibung
Zusammenfassung:The invention relates to a piston assembly for use in a hydraulically operated piston-type retarder. The piston assembly comprises a piston rod 1, a piston head 2, a speed spring 3, a closure member 4, a spacer member 5, a retainer member 9 and alock nut 6. The piston head 2 is provided with a set of first hydraulic fluid passageways with corresponding energy extraction ports 8 and a set of second hydraulic fluid passageways with corresponding idling ports 7. A method of retarding wagon stock is also provided.