Ronald Lapointe

US Patent:

48362492, Jun 6, 1989

Filed:

Mar 1, 1988

Appl. No.:

7/162561

Inventors:

Ronald R. LaPointe - Taylors SC

Assignee:

Webster Electric Co.,Inc. - Racine WI

International Classification:

F15B 1304

US Classification:

13762523

Abstract:

An improved rotary-action directional flow control valve for hydraulic hydraulic motors and the like. The valve provides pressure-compensating constant flow in one or both directions. The valve has a main spool rotatable within a valve body to plural positions to determine flow direction, and one or more inner spools or the like in cavities within the main spool to provide the pressure-compensating. A plurality of spool voids and orifices form, with the valve body, flow channels between ports in the valve body.