Patent classifications
Y
Y10
Y10T
137/00
Y10T137/8593
Y10T137/86389
Y10T137/86445
Y10T137/86461
Y10T137/86461
Valve having improved spool geometry
A spool is disclosed for use in a valve. The spool may have an elongated cylindrical body with a first end and a second end. The spool may also have a first land formed at the first end, a second land axially spaced apart from the first land, and a check element located between the first and second lands. The check element may have an outer diameter that is about 0.5-1% greater than an outer diameter of the second land.