Cushioning means for hydraulic cylinder

Details Cushioning means for hydraulic cylinder Cushioning means for hydraulic cylinder

1974-07-15

1976-06-22

Maslousky, Paul E.

Motors: expansible chamber type

Working member position responsive motive fluid control

Working member carries part within working chamber which...

91396, F15B 1522

Patent

active

039643700

ABSTRACT:
Cushioning means for cushioning the end portion of the stroke of a piston in a cylinder comprising a stepped cylindrical member which enters a cylinder head bore to form therewith an annular orifice which successively decreases in area and increases in length thus to decrease piston velocity at substantially uniform rate and, hence, at substantially constant deceleration with substantially constant pressure drop across the annular orifice.

REFERENCES:
patent: 2719510 (1955-10-01), Elder
patent: 2853974 (1958-09-01), Hewitt
patent: 3704650 (1972-12-01), Berg

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