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| Number | Title | Issue Date |
| 7297268 | Dual head pump driven filtration system Improvements in product water throughput from a reverse osmosis (RO) membrane achieved by thinner feed spacers in the RO element (22), enhanced recovery (ratio of permeate to feed), pressure recovery of the retentate fluid pressure opposing the feed water pre... | 11/20/2007 |
| 7244357 | Pumps for filtration systems Improvements in product water throughput from a reverse osmosis (RO) membrane filter achieved by thinner feed spacers in the RO element, enhanced recovery (ratio of permeate to feed), pressure recovery of the retentate fluid pressure opposing the feed water pressure... | 07/17/2007 |
| 7005075 | Gas drive electrolytic cell The present invention is directed to an electrolytic cell that is completely sealed during the electrolysis operation during production of oxidant. Gasses generated within the electrolysis operation, primarily hydrogen that is liberated at the cathode surface, incre... | 02/28/2006 |
| 6636010 | Precision dosage apparatus, system and method A liquid dispensing system increases the precision, reliability, and safety of dispensing medications and other liquids. An electronic brake grounds a power terminal of a pump motor to absorb the kinetic energy of the motor and other mechanically coupled ... | 10/21/2003 |
| 6158977 | Air cycle cooling system A cooling system is simple in structure, efficient, and durable due to a lowered burden on bearings and reduced loss of drive power. The cooling system includes a compressor having a first rotor for compressing air, a cooler for cooling high-temperature, ... | 12/12/2000 |
| 5482445 | Free-piston engine having a slidable ring for moving the piston A free piston engine having a fluid pressure unit which includes a cylinder and a piston arranged within the cylinder and reciprocating therein between the bottom dead center and the top dead center. The piston includes a plunger-shaped piston extension c... | 01/09/1996 |
| 4599861 | Internal combustion hydraulic engine An internal combustion hydraulic engine is powered by compression and ignition of pressurized fuel to pressurize hydraulic fluid. The timing and operation of the engine is controlled by a hydraulically driven distributor valve. A pair of starting valves a... | 07/15/1986 |
| 4437484 | Utility water system with a pressureless storage container, particularly for solar installations A warm water storage system for supplying warm water to a network with water under pressure characterized in that the storage is pressureless and takes place in a ventilated container, and that between the take-off region of the container and the warm wat... | 03/20/1984 |
| 4205945 | Unitized fluid delivery system and method of operating same A centrifugal boost pump, a primary centrifugal pump and a dynamic machine are driven through a common drive shaft. At low speeds, such as during pump start-up, the elements are in the aforementioned fluid serial relationship such that the dynamic machine... | 06/03/1980 |
| 4068468 | Starting method and system for a gas turbine A self-contained pneumatic starting system and method for initiating starting of a gas turbine machine includes a reservoir of pressurized gas which delivers motive gas flow to an expansion type pneumatic motor directly coupled to the compressor of the ga... | 01/17/1978 |
| 4067665 | Turbine booster pump system An improved pump system includes a booster turbine unit including a turbine mounted on the same shaft as the booster pump and utilizing a primary pump as the primary fluid power source. Various forms of turbine and booster pump may be used such that eithe... | 01/10/1978 |
| 3977815 | Portable apparatus for compressing gases such as air Portable apparatus is provided for compressing gases such as air. The apparatus preferably includes a massive fly wheel, a gas compressor and a compressed gas storage vessel mounted on a portable platform. The fly wheel is rotatably mounted whereby it may... | 08/31/1976 |
| 3950220 | Internal primary recirculating pump for boiling water reactors The pressure vessel of a boiling water reactor has several openings, one for each of a set of internal primary recirculating pumps. The body of each pump extends into the respective opening and is provided with a ring-shaped chamber which receives feed wa... | 04/13/1976 |
