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US 2015/0075640 A1Published application
Pneumatic Valve Assembly and Method
OwnerNorbert J. Kotinventor
Life of this patent
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Abstract
A valve assembly for receiving a fluid under pressure and comprising a plurality of valves in a single valve block. The assembly may include a plurality of check valves and including a counterbalance generating valve and a 3-way valve and including a method of use. The assembly may include an adjustable counterbalance valve, a pilot-operated check valve and a 3-way valve or combinations thereof.
Claims6
A valve comprising:
- a valve body comprising:
- a first pilot bore, said first pilot bore including an input bore having an input port, an output bore having an output port, and a first cartridge spool disposed at least partially within said first pilot bore;
- and
- a second pilot bore, said second pilot bore including an input bore having an input port, an output bore having an output port, said second pilot bore including a second cartridge spool disposed at least partially within said second pilot bore.
1 more element
Dependencies are inferred from the claim text.