Directly piloted valve assembly
OwnerVytautas J. Toliusisinventor
Life of this patent
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Abstract
A directly piloted valve assembly has a valve body including a bore, at least one inlet port, at least one outlet port and at least one exhaust port wherein the ports are all in fluid communication with the bore. A spool is received in the bore. The spool includes a wall defining a lumen. An actuator is received in the lumen. The actuator includes a shuttle seal channel. A shuttle seal is received in the shuttle seal channel. A solenoid is connected to the valve body. The wall of the spool includes at least one pilot hole in fluid communication with the lumen defined by the spool and the bore of the valve body.
Claims21
A directly piloted valve assembly, comprising:
- a valve body including a bore, at least one inlet port, at least one outlet port, and at least one exhaust port wherein said ports are all in fluid communication with said bore;
- a spool received in said bore, said spool including a wall defining a lumen;
- an actuator received in said lumen, said actuator including a shuttle seal channel;
- a shuttle seal received in said shuttle seal channel;
- and
- a solenoid connected to said valve body;
- said wall including at least one pilot hole in fluid communication with said lumen and said bore.
Dependencies are inferred from the claim text.