Browse Prior Art Database

Process for Manufacture of Hydraulic Logic Blocks

IP.com Disclosure Number: IPCOM000093165D
Original Publication Date: 1967-Jun-01
Included in the Prior Art Database: 2005-Mar-06
Document File: 2 page(s) / 60K

Publishing Venue

IBM

Related People

Artus, HS: AUTHOR

Abstract

In fluid logic block 20, housing 21, having a cylindrical opening 22, is utilized to receive and hold a plurality of spacers 23 and core rings 24. Spacers 23 and rings 24 are alternately positioned with respect to each other.

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Process for Manufacture of Hydraulic Logic Blocks

In fluid logic block 20, housing 21, having a cylindrical opening 22, is utilized to receive and hold a plurality of spacers 23 and core rings 24. Spacers 23 and rings 24 are alternately positioned with respect to each other.

In assembling portion 25, spacers 23 and rings 24 are assembled on threaded rod 26 and clamped with end nuts 27. Rod 26 is of a length greater than the over-all size of housing 21. Rings 24 and spacers 23 are then coated with a layer of epoxy adhesive 28. The internal surface of housing 21 is also coated with such a bonding agent and portion 25 is inserted into the housing 21 opening.

The assembly is then baked and cooled. Next, rod 26 and nut fasteners 27 temporarily securing rings 24 and spacers 23 in the predetermined positions within housing 21 are removed. Radial port holes can then be drilled into housing 21 in communication with spacers 29 and 30 between rings 24 so that fluid can pass through in a predetermined flow pattern. The advantages of the construction are that the component parts do not have to be machined as in gun drilling, brazing is eliminated, and also the removal of burrs is avoided. This is because the separate parts are easily ground and polished to size before being assembled. Various types of fluid logic blocks can be structured from standard components.

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