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US 5,950,664 AGranted
Valve with improved combination bearing support and seal
OwnerLarry A. Battagliainventor
Life of this patent
Estimating the term…
Abstract
A valve body having a first and a second port and, optionally, a removable cartridge disposed in the valve body between the first and second ports. A bearing insert is attached to and disposed in the optional cartridge and a rotor having a passageway through is disposed in sealing contact with the bearing insert and is movable between an open position and a closed position.
Claims17
A valve comprising:
- a valve body having a first port and a second port;
- a removable cartridge disposed in said valve body between the first and the second ports;
- a bearing insert attached to and disposed in the cartridge;
- and
- a rotor having a passageway therein, said rotor being disposed in sealing contact with the bearing insert and movable between an open position wherein the passageway is in fluid communication with the first and second ports and a closed position.
2 more elements
A valve comprising:
- a valve body having a first port and a second port;
- a removable cartridge disposed in said valve body between the first and the second ports;
- a bearing insert attached to and disposed in the cartridge;
- and
- a valve member having a passageway therein, said valve member being disposed in sealing contact with the bearing insert and movable between an open position wherein the passageway is in fluid communication with the first and second ports and a closed position.
2 more elements
A valve comprising:
- a valve body having a first port and a second port;
- a valve member disposed in said valve body between said first and second ports and having a passageway therein, said valve member being disposed in sealing contact with the valve body and movable between an open position wherein the passageway is in fluid communication with the first and second ports and a closed position blocking at least one of the first and second ports;
- a bearing insert surrounding said valve member and being in abutment with and attached to said valve body and wherein said bearing insert is constructed from material selected from the following group:
- bronze, carbon, PTFE, PFA, FEP, ETFE, PVDF, ECTFE, PPS, UHMW PE, peek, polyamide, polyimide, polyamide-imide, glass, ABS, acetal, PVC, CPVC, epoxy, silicone, polycarbonate, polyester, polypropylene and polyurethane;
- and
- a bronze inner layer with a PTFE overlay attached to the inside of the bronze inner layer.
3 more elements
Dependencies are inferred from the claim text.