Hydrostatic coupling comprising a planetary gear pump

Details Hydrostatic coupling comprising a planetary gear pump Hydrostatic coupling comprising a planetary gear pump

F - Mech Eng,Light,Heat,Weapons

16

D

F16D 31/04 (2006.01)

Patent

CA 2250476

A hydrostatic coupling comprises a housing (10) adapted for rotation about a central axis (14). The interior of the housing (10) includes a reservoir (22) for retaining hydraulic fluid, an enclosure (32) retaining a planetary gear pump (26, 36) and ports (38, 40) connecting the reservoir (22) to the pump enclosure (32). A valve assembly (42) is adapted to restrict the flow through output port (40). Torque transmission between sun gear (36) and housing (10) is a function of the flow restriction generated by valve assembly (42).

Accouplement hydrostatique qui inclut un tambour (10) conçu pour tourner autour d'un axe central (14). A l'intérieur du tambour (10) se trouve un réservoir (22) contenant un liquide hydraulique, un logement (32) abritant une pompe à engrenage planétaire (26, 36) et des orifices (38, 40) reliant le réservoir (22) au logement de la pompe (32). Un ensemble soupape (42) permet de limiter le flux provenant de l'orifice de sortie (40). La transmission du couple entre le planétaire (36) et le tambour (10) est fonction de la réduction de flux assurée par l'ensemble soupape (42).

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