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2025
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P/S
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Reverse osmosis pumps, centrifugal pumps, plunger pumps, electric pumps, hydraulic pumps and wate... |
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2011
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Invention
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Pressure exchanger. A pressure vessel provided with a first port acting as a high pressure inlet ... |
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2009
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P/S
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Valves being parts of machines, spool valves, valves used in
energy recovery equipment, and comp... |
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P/S
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Energy recovery equipment, including work exchangers, and
components and structural parts thereof. |
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P/S
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Valves being parts of machines, rotary valves, valves used
in energy recovery equipment, and com... |
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P/S
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Turbines other than for land vehicles, and components and
structural parts thereof; reverse osmo... |
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2006
|
Invention
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Fluid pressure exchange mechanism and method of operating same. A device and method configured to... |
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1997
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Invention
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Double gas seal with bellows supported by backing and support rings. An improved gas seal having ... |
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Invention
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Double gas seal having an improved bellows arrangement. An improved gas seal having inboard and o... |
|
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Invention
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Spiral groove face seal. Non-contacting spiral groove face seal for shafts rotating at high press... |
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1996
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Invention
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Mechanical seal for water pump of heavy duty vehicle. A mechanical seal assembly for use in a coo... |
|
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Invention
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Face seal with angled grooves and shallow annular groove. A non-contacting grooved face seal for ... |
|
|
Invention
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Grease seal. A mechanical seal assembly for creating a sealing relationship between a housing and... |
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|
Invention
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Mechanical seal with controller for regulating face contact pressure. A mechanical seal assembly ... |
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|
Invention
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Linear spool valve device for work exchanger system. A linear spool valve device is employed in a... |
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1995
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Invention
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Pump box with replaceable erosion protector. A mechanical seal is disposed in surrounding relatio... |
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|
Invention
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Face seal with angled grooves. A fluid seal of the type employing a groove pattern on one of the ... |
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1994
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Invention
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Secondary seal for non-contacting face seal assembly. A non-contacting face seal assembly for a s... |
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Invention
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Mechanical seal with spring drive. A mechanical seal assembly for creating a sealing relationship... |
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Invention
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Shaft alignment device. A shaft alignment wherein a pair of substantially identical clamping memb... |
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Invention
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Face ring retainer arrangement for mechanical seal. A mechanical seal assembly having a face ring... |
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Invention
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Fluid film seal. Fluid film seal for shafts rotating at high speeds with improved centering means... |
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Invention
|
Non-contacting seal with centering spring mounted in dovetailed grooved. Non-contacting seal for ... |
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|
Invention
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Double gas barrier seal. A mechanical seal assembly having a deep groove pattern formed in the fa... |
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1992
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Invention
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Non-contacting face seal. Compliant spring provides a controlled radial force, which keeps the se... |
|
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Invention
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Method of recovering energy from reverse osmosis waste streams. Hydraulic energy is recovered fro... |
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1989
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Invention
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Bearing protector with slinger ring. A bearing protector employing a stator and a rotor defining ... |
|
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Invention
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Bellows seal with vibration damper. A bellows-type mechanical seal construction having a rotating... |
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1988
|
Invention
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Magnetic seal assembly. A magnetic-type end face seal assembly for creating an airtight seal betw... |
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1987
|
Invention
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Mechanical seal assembly with coolant circulation tube. A mechanical seal assembly provided with ... |
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|
Invention
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Labyrinth bearing protector seal. A sealing device employing interfitting relatively rotatable ri... |
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1984
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Invention
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Mechanical seal assembly with coolant circulation structure. A mechanical seal construction of th... |
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1980
|
Invention
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Tapered seal seat between stationary insert and gland. A mechanical seal assembly having an impro... |
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|
Invention
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Mechanical seal with improved face ring mounting. A mechanical seal construction having an annula... |
