Lapped spool valve assembly

Details Lapped spool valve assembly Lapped spool valve assembly

1979-04-25

1981-03-10

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

13762566, F15B 13042

Patent

active

042547997

ABSTRACT:
A valve assembly has an elongated body with an axial bore which is honed to a fine finish, axially apertured end caps sealed over opposite ends of the body, a pressure port, cylinder ports and exhaust ports with associated passages communicating with the bore. A valve spool assembly is reciprocally nested and sealed within the bore for controlling flow of pressure fluid through the respective ports and passages. The spool assembly is honed to a fine finish to match the bore with a minimal clearance whereby the spool sealingly engages said bore. The spool assembly includes a pair of symmetrical axially aligned spools which are interconnected to provide flexibility of the spool parts.

REFERENCES:
patent: 3756280 (1973-09-01), Parquet

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