Patent · US Expired

Fluidic servo-system and method

US4091716A · kind A · utility

5Cited by
6References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 18, 1976
Grant dateMay 30, 1978
Priority date
Expiry dateOct 18, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/2115
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.