Fluid control valves

Details Fluid control valves Fluid control valves

1975-05-23

1976-08-10

Cohan, Alan

Fluid handling

Pressure modulating relays or followers

1376253, 251234, F15B 500

Patent

active

039735770

ABSTRACT:
A fluid control valve has a port means across which a control element, mounted on a lever, is slidable. An input control arm rotates a cam which imparts linearly-related angular movement to a further lever. A roller is engaged between the two levers and is movable to vary the distances from the pivotal axes of the levers to their points of engagement with the roller. These distances are different on each lever. Movement of the roller thus varies the linear relationship between movement of the input arm and the control element.

REFERENCES:
patent: 3219049 (1965-11-01), Joesting
Lucas Aerospace Ltd.; A Lucas Fuel System Designed for Large Multi Spool By-Pass Jet Engines, 1973.

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