Spool for a spool valve and method of producing same

Details Spool for a spool valve and method of producing same Spool for a spool valve and method of producing same

1988-07-19

1989-09-05

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

291571R, 13762569, 251324, F15B 1304

Patent

active

048629200

ABSTRACT:
The invention provides a spool for a spool valve, the spool (1) comprising at least one annular land (2) having at least one notch (3) therein which is part conical (4). The invention also provides a method of producing such a spool.

REFERENCES:
patent: 2920650 (1960-01-01), Moog
patent: 2958340 (1960-11-01), Rosebrook
patent: 3525500 (1970-08-01), Bender
patent: 4009730 (1977-03-01), Starling
patent: 4245816 (1981-01-01), Johnson
patent: 4313467 (1982-02-01), Lang
patent: 4347780 (1982-09-01), Takahashi et al.
patent: 4463660 (1984-08-01), Mucheyer et al.
patent: 4667930 (1987-05-01), Latimer et al.

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