Fluid pressure motor

Motors: expansible chamber type – Working member position responsive motive fluid control – Exhaust control

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Details

91409, F15B 1522

Patent

active

044258364

ABSTRACT:
After the piston, in a piston/cylinder type fluid pressure motor, has moved past the fluid discharge port during termination of the stroke, fluid is forced to flow through a circuitous conduit formed into the outer surface of the piston. The rate of deceleration of the piston is proportional to the length, cross-sectional area, and surface finish of the channel forming the conduit.

REFERENCES:
patent: 3082746 (1963-03-01), Kerridge
patent: 3296942 (1967-01-01), Nelson
patent: 3568571 (1971-03-01), Hoen et al.
patent: 4207802 (1980-06-01), Homuth

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