Fluidic servo-system and method

Details Fluidic servo-system and method Fluidic servo-system and method

1976-10-18

1978-05-30

Maslousky, Paul E.

Motors: expansible chamber type

Constantly applied motive fluid with controlled venting

Fluid vented through working member

91 3, 91376R, 91417R, 137810, 137813, 91388, F15B 910, F15B 1517

Patent

active

040917169

ABSTRACT:
Pressurized motive fluid flow passes through a single fluidic vortex orifice to opposite chambers of a differential area, double acting, linear servo-cylinder. While shifting in one direction the vortex orifice severely restricts the flow to the fluid chamber of the motor which is contracting in size so as to permit rapid movement of the piston in that direction, and whenever the piston is moving in an opposite direction the vortex orifice allows substantially unrestricted fluid flow to the same chamber which is now expanding in size, so that the piston can shift rapidly in this opposite direction.

REFERENCES:
patent: 1585529 (1926-05-01), Boving
patent: 2405382 (1946-08-01), Volet
patent: 3410287 (1968-11-01), Heden et al.
patent: 3605507 (1971-09-01), Ishihara et al.
patent: 3628418 (1971-12-01), Honda
patent: 3757640 (1973-09-01), Karol

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