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Browse Prior Art Database

Hydraulic Index Setting Mechanism

IP.com Disclosure Number: IPCOM000098371D
Original Publication Date: 1960-Sep-01
Included in the Prior Art Database: 2005-Mar-07
Document File: 2 page(s) / 73K

Publishing Venue

IBM

Related People

Giskes, JH: AUTHOR

Abstract

The hydraulic mechanism selectively sets a shaft at any one of a plurality of index positions.

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Hydraulic Index Setting Mechanism

The hydraulic mechanism selectively sets a shaft at any one of a plurality of index positions.

A rotor 10 is provided with a vane 11 inside a stator 12 having apertures 13 which are normally closed by valves 14. When the valve, at a desired index position 14A, is opened, fluid flows under pressure from inside the rotor, through a rotor aperture 15 or 16 and through a path between the rotor and stator and out the open valve. This causes the rotor to move the shortest distance, clockwise or counter clockwise, to position the apertures 15, 16 adjacent the open valve 14A.

When the valve 14A is opened, the fluid tends to flow in the shorter path which presents a lower resistance to flow. This initial flow (arrow 17) moves the vane 11 in the direction of the shorter path, thus blocking this path and forcing the fluid to flow, along the longer path (arrow 18). The reactive forces move the aperture 15, 16 and rotor along the shorter path to the open valve.

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