Fluid handling – Systems – Multi-way valve unit
Patent
1989-09-13
1992-10-20
Michalsky, Gerald A.
Fluid handling
Systems
Multi-way valve unit
13762563, F15B 13043
Patent
active
051561891
ABSTRACT:
A control valve including a second stage spool for controlling flow of fluid from a source thereof to a load. The valve includes one additional pressure slot and one additional return slot on each side thereof and separated by a land on the spool from the usual pressure and return slots respectively. Each of the spool lands separating the pressure and return slots defines and opening therethrough to interconnect the slots so that upon movement of the spool to connect the source to the load, a greater flow of fluid is provided and would be possible with the same size spool without the additional pressure and return slots.
REFERENCES:
patent: 3028880 (1962-04-01), Reitman
HR Textron Inc.
Michalsky Gerald A.
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