Matches 1 - 50 out of 69 1 2 >
Match Document Document Title
7585351 Systems and methods of monitoring and controlling the performance of a gas fractionalization apparatus  
A gas fractionalization apparatus and methods for providing oxygen rich air to patients are disclosed. The apparatus comprises a variable output compressor, a PSA unit, a control system, and one or...
7556670 Method and system of coordinating an intensifier and sieve beds  
A method and system of coordinating an intensifier and sieve beds. At least some of the illustrative embodiments are methods comprising coordinating control of an intensifier with cycles of a sieve...
7449046 Method and arrangement for purifying gases fed to a fuel cell by removing operational unfavorable constituents  
A method and an arrangement are provided for purifying gases which are fed to a fuel cell for operation. A filter system, which is designed to separate out particulates and polluting gases, is...
7402193 Portable oxygen concentrator  
A portable oxygen concentrator includes a pair of sieve beds having first and second ends, a compressor for delivering air to the first ends of the sieve beds, a reservoir communicating with the...
7255727 Method for treating at least one feed gas mixture by pressure swing adsorption  
The invention concerns a treatment method which consists in using a pressure swing adsorption treatment unit ( 16 ) and causing said treatment unit ( 16 ) to follow a nominal operating cycle, based...
7179320 Air recharge system dryer and methods therefor  
A method to desorb water from a desiccant of an air recharge system comprises the steps of a) filling a purge reservoir using an air compressor and a desiccant dryer to produce discharge air, b)...
7108736 Method of installing a molecular sieve bed gas-enriching system  
A method of installing a molecular sieve bed gas enrichment system in a vehicle such as an aircraft. A system controller, a product gas distribution conduit, a high pressure gas supply conduit...
7081153 Gas generating system and method for inerting aircraft fuel tanks  
The present invention provides a system and method for generation of nitrogen enriched air for inerting aircraft fuel tanks. One embodiment of the present invention includes a duct assembly; a...
7011693 Control of a hydrogen purifying pressure swing adsorption unit in fuel processor module for hydrogen generation  
A PSA unit for purifying hydrogen in a fuel processor system. The PSA unit employs rotary valves that cycle the pressurization of vessels, including an adsorbent, between a high pressure state and...
6835231 Adsorption process and apparatus for nitrogen production and drink dispensing device making use of the apparatus  
In a process for the production of nitrogen by adsorption on carbons or similar molecular sieves contained in a cylinder ( 2 ), the amount of Q 1 of nitrogen obtainable from the cylinder at the...
6767390 Energy efficient desiccant dryer regeneration system  
A method to control the performance of desiccant dryers is disclosed that senses multiple variables and optimizes the regeneration cycle to deliver the gas at the desired dew point. The length of...
6743277 Service reservoir purge of air dryers in pump-off mode  
A cargo or bulk product off-load system includes a compressor ( 10 ) that pressurizes air. The air is dried by a dryer ( 12, 14 ) and routed to a supply tank ( 16 ). From the supply tank, the air...
6712876 Oxygen concentrator system with altitude compensation  
An oxygen concentrator system with altitude compensation includes at least one oxygen concentrator sub-system and a plenum subsystem. The at least one oxygen concentrator sub-system produces oxygen...
6695895 Fuel vapor handling apparatus and diagnostic apparatus thereof  
A fuel vapor handling apparatus supplies a purging air to a canister by using a purge pump and purges fuel desorbed from the canister into an intake pipe. A controller intermittently operates the...
6689196 Fuel vapor control apparatus  
A fuel adsorption layer formed in a canister is partitioned into an upper adsorption layer and a lower adsorption layer by a partition plate in which a heater is embedded. The relation between a...
6680028 Portable air purifier apparatus and system  
A portable air purifier system and apparatus which includes a multi-element filter pack that is replaceable as a single unit, thus facilitating health safety of maintenance personnel. By serially...
6547851 Miniaturized wearable oxygen concentrator  
A component gas concentrator includes an air compressor, an air-tight first container containing a molecular sieve bed, the first container in fluid communication with the compressor through a...
6506234 Pressure swing adsorption gas separation method, using adsorbents with high intrinsic diffusivity and low pressure ratios  
A gas separation process incorporating the invention combines use of an adsorbent having high intrinsic diffusivity with a low pressure ratio PSA cycle. Further enhancements to the process are...
6454834 Regenerable air cleaning device  
A regenerable air cleaning device is disclosed which comprises a filter holder supporting a regenerable filter that includes activated carbon fibers (ACF) and a control system that is adapted to...
6409807 Linear gas valve cycle control, shut-off-valve and self test  
The present invention relates to detecting the state of a slide block positioned in a linear valve and using the position of the slide block to predict the health of a linear valve and provide...
6290750 Production plant and process comprising several treatment steps  
The plant for producing a product stream includes, mounted in series, several modules adapted to perform successive and distinct elementary treatments. At least two elementary treatment modules...
6290759 Linear actuator driven molecular sieve oxygen generator  
An apparatus for generating high purity oxygen is described which comprises a linear actuator, a dual acting air cylinder, two molecular sieve beds, and valving. The linear actuator drives the air...
6120107 Compressor and air dryer control system  
An air supply system for a vehicle includes an internal combustion engine that powers the vehicle and a compressor that receives air from the intake manifold of the engine or from an air filter....
6077330 Air drying device for a pneumatic system  
Device and method for the regeneration of a drying agent in compressed air system. The wetting degree of the drying agent is estimated and recorded by a control unit. The control unit ensures that...
6063169 Control means for molecular sieve on-board oxygen generator  
A control device for molecular sieve on-board oxygen generating systems measures both temperature and pressure of the inlet air of an oxygen generating system. An electronic control unit applies...
5985006 Gas separation  
A vacuum swing adsorption apparatus for separating a gas mixture includes a pipeline along which the vacuum is able to be drawn. The apparatus is provided with a plurality of eductors each...
5893944 Portable PSA oxygen generator  
A portable PSA oxygen generator that includes first and second filters for filtering inside air; a fan motor for passing through the air; a third filter for filtering the air intaken through the...
5715621 Regenerative desiccant air dryer  
A gas drying canister housing for a desiccant canister in a gas dryer system includes a main portion having an upper base and a lower portion having a lower base. A canister bore is defined between...
5620504 Pressure swing adsorption apparatus valve activation  
A pressure swing adsorption apparatus (10) is provided with actuator air via a reservoir (40) which draws its supply either from one or more of the process vessels (12) after it has been dried...
5592754 Electronic control of compressor unloader and air dryer purge  
An electronically controlled compressed air system (10) includes an air dryer (16) which dries compressed air before the compressed air is communicated to a reservoir (26). The air dryer (16)...
5562757 Device for recovering the vapors leaving a motor vehicle gasoline tank  
Fuel vapors leaving the fuel tank of a motor vehicle are recovered with a filter cartridge inserted between the tank and the intake manifold of the engine. An atmospheric connection duct of the...
5458677 Air dryer mechanism with flow regulated purge pressure  
An air drying mechanism for a compressed air braking system includes a housing containing desiccant material, and a purge volume which stores air for backflowing through the desiccant to purge the...
5378266 Air dryer system  
A compressed air system includes an air drying subsystem which can be configured either in an intermittent mode, in which a separate purge volume intermittently purges the desiccant used by the air...
5340381 Operating system for dual-sieve oxygen concentrators  
An operating system for dual-sieve oxygen concentrators, as used by invalids, provides a method and apparatus for controlling the purging and release of product gas and the cycling period in...
5258056 PSA system with product turndown and purity control  
Apparatus and process for the production of a purified product gas at a user specified product gas demand from a feed gas containing impurities which includes at least one treatment zone having an...
5209764 Compressed air system with twin air dryers  
An air dryer control system is disclosed in which the compressed air output of a compressor is dried by one of two air dryers connected in parallel. The purging and drying cycles of the air dryers...
5145495 Air dryer purge cycle timing control  
A compressed air system for an automotive vehicle includes an air compressor which generates compressed air which is dried by an air dryer and stored in an air storage reservoir. The air dryer is...
4906257 Method of and apparatus for treating waste gas from semiconductor manufacturing process  
A method of and apparatus for treating waste gas from semiconductor manufacturing equipment with a dry solid absorbent. A bypass pipe which is equipped with a bypass valve is provided between inlet...
4891051 System for decontaminating compressed gas  
A system for decontaminating compressed gas having twin particulate desiccant-containing towers and a two-stage coalescer-containing precoalescer upstream of and connected to the towers by an inlet...
4812148 Arrangement for controlling the removal of moisture from a two-cylinder type moisture remover  
A system for removing moisture from compressed air in pneumatic brake equipment including an air compressor having an outlet pneumatically connected to an inlet of a cooler. The cooler having an...
4806134 Method and system for controlling a compressed air flow in an air drier  
The compressed air flow in an air drier is directed to either one of its two drying towers by a switch-over valve whose switch-over function is performed with the air drier unloaded by an unloader...
4764189 Air dryer apparatus for use with pneumatic operative device  
An air dryer apparatus for making use of exhaust air from pneumatic operative devices as purging air, wherein the outlet opening of the air dryer apparatus and the exhaust port of the pneumatic...
4732587 Device for breaking down a mixture  
Devices for breaking down a gas mixture by means of an absorbent permit the production of an enriched product, e.g. oxygen for technical processes or for ventilation. During the operation, the...
4685941 Compressed air supplying device  
A compressed air supplying device has an air compressor, a dryer connected to an outlet of the air compressor, an air reservoir connected to an outlet of the dryer and connectable to pneumatic...
4648888 Oxygen concentrator  
An oxygen concentrator having one or more molecular sieve beds for selectively adsorbing nitrogen from atmospheric air for increasing the oxygen concentration of a product gas, a reservoir for...
4584001 Modular oxygen generator  
A gas fractioning apparatus includes a housing (A) in which various gas separation components and modules are located. A gas distribution module (B) which includes components for handling and...
4546442 Microcomputer control system for desiccant dryer  
A microcomputer-based programmable control system for desiccant air dryers monitors the level of moisture saturation of the desiccant beds and adjusts the regeneration cycle accordingly to optimize...
4544385 Air dryer device for compressed air system of vehicle  
An air dryer device for a compressed air system of a vehicle includes a housing and a dryer mounted within the housing and containing a desiccant for drying compressed air from a compressor of the...
4468239 Twin tower assembly for decontaminating compressed gas  
A twin tower assembly for decontaminating compressed gas, each tower having inlet, outlet, drain and solenoid valves of which the inlet and drain valves are separately connected directly to the...
4455861 Molecular sieve oxygen monitor  
A monitoring system for determining the concentration of oxygen in the product gas of an oxygen enriching system includes differential pressure regulator means for reducing the pressure of the...
Matches 1 - 50 out of 69 1 2 >