HEAVY-DUTY INDUSTRIAL TRANSMISSION

A heavy-duty industrial transmission is provided that can be implemented in a frac pump system with planetary gearsets with straightforward shift methodologies, slow back-driven speeds, and no recirculating torque in any of the ranges. The heavy-duty transmission has a high number of ranges and may...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: VAN HOORN, Andrew, D, MATRANGA, Gerald, A
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A heavy-duty industrial transmission is provided that can be implemented in a frac pump system with planetary gearsets with straightforward shift methodologies, slow back-driven speeds, and no recirculating torque in any of the ranges. The heavy-duty transmission has a high number of ranges and may be configured with no reverse range, no countershaft, no overdrive range(s), small and consistent steps of ratios between ranges, and a deep or large reduction ratio of the lowest range, such as at least about a 5:1 reduction. The heavy-duty industrial transmission may have a four-stage planetary arrangement that is configured to provide nine (9) ranges for the transmission that only requires two double pack shifts, with the remaining shifts being single pack shifts.