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Class 204/228.5 - Gaseous fluid


Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Apparatus having means for sensing pressure of a gas or
No. of patents: 32
Last issue date: 06/03/2008


NumberTitleIssue Date
7381313Integrated hydrogen production and processing system and method of operation
A method of operating an integrated hydrogen production and processing system is provided. The method includes operating an electrolyzer to produce hydrogen from water and utilizing heat generated from the electrolyzer to increase a temperature of an electrolyte in ...
06/03/2008
7351322Fluorine gas generator and method of electrolytic bath liquid level control
A fluorine gas generator for generating fluorine gas by electrolysis of an electrolytic bath comprising a hydrogen fluoride-containing mixed molten salt in which generator the position of the electrolytic bath liquid surface in the electrolytic cell can be safely co...
04/01/2008
7314539Pressure electrolyzer and method for operating one such electrolyzer
The invention discloses a pressure electrolyzer comprising a pressure vessel (2) and an electrolytic-cell block (3) arranged in the pressure vessel (2) and containing a plurality of electrolytic cells (4) combined in the form of a stack. ...
01/01/2008
7288180Electric current control method and apparatus for use in gas generators
The invention provides a method and apparatus for current control in gas generators capable of generating a fluorine or fluoride gas by and in which the electrolysis can be maintained in an optimum condition, stable operation is possible and no manpower is demanded....
10/30/2007
7285192Pressure electrolyzer and method for switching off a pressure electrolyzer
A pressure electrolyzer having a pressure reservoir, an electrolytic cell block containing a number of electrolytic cells and positioned in the pressure reservoir, the electrolytic cells each containing anodes and cathodes, and an electrolyte circulatory system for ...
10/23/2007
7261748Portable hydrogen source
A man portable hydrogen source, the source comprising one or more hydrogen generating elements (2), an ignition control system (3) and a pressure vessel (1). Each hydrogen generating element comprises a pellet holder (7) provided with one...
08/28/2007
7226529Electrolyzer system to produce gas at high pressure
An apparatus and method to produce hydrogen gas a high pressure is disclosed. An electrolyzer is located inside a pressure vessel that is pressurized with high pressure water. The high pressure water is provided to both the anode and cathode sides of the electrolyze...
06/05/2007
7171111Method of heating water with rod shaped electrodes in a two-dimensional matrix
An improved scheme for dissociating water into hydrogen and oxygen is provided in which a two dimensional matrix of electrodes is provided in a reaction vessel. The electrodes are connected to a source of electrical power for providing a potential difference there b...
01/30/2007
7159444Combustible gas detection systems and method thereof
A system and method are provided for monitoring the levels of combustible gas in a gas stream. The system includes means for controlling the relative humidity of the the gas stream to maintain a humidity level in the performance range of combustible gas sensors. A n...
01/09/2007
7097748Electrolyzer pressure equalization system
An energy storage system has a first pressurized tank for carrying water and hydrogen gas and a second pressurized tank for carrying water and oxygen gas. A first output line connects to the pressurized tank for carrying hydrogen gas from the tank. A second output l...
08/29/2006
7045042Gas-collecting electrets as magneto-electrolysis cell components
A tank-type water electrolysis apparatus with unipolar electrodes arrangement and wherein imposed magnetic fields enhance electrolyte solution circulation, further enhanced in apparatus operation by use of immersed electrets providing partitioning structure between ...
05/16/2006
6997972Gas-liquid separator
A gas liquid separator comprising at least two containers, a first container for separating gas from a gas liquid mixture and a second container for receiving gas reduced or gas free liquid. The first container has an outlet port to the second container below the le...
02/14/2006
6740436Hydrogen/oxygen generating system with temperature control
A mixed hydrogen-oxygen fuel generator system uses an electrolytic solution to generate gaseous hydrogen-oxygen fuel through the electrolysis of water. This generator system includes: at least one electrolytic cell with multiple metallic plates used as an internal i...
05/25/2004
6524464Fan flow sensor for hydrogen generating proton exchange member electrolysis cell
A fan flow sensor for a hydrogen generating proton exchange member electrolysis cell includes a switching device and a sail slideably disposed on the switching device. The sail is configured to actuate the switching device in response to an airflow from a...
02/25/2003
6436270Method and device for controlling the movement of a feeding and breaking chisel in an aluminum production cell
A method and a device for controlling the movement of a combined alumina feeding and crust breaking chisel in an aluminum production cell, wherein the chisel is moved downwards and upwards by means of a pneumatic cylinder which is alternatively fed with p...
08/20/2002
5711865Electrolytic gas producer method and apparatus
Electrolytic gas producer apparatus is provided wherein a water inlet has a pressure sensor and solenoid valve control passes water through a filter by pump to a reservoir. Cell chambers maintain electrolyte by supply pump and solenoid valve delivering to...
01/27/1998
5690797Hydrogen and oxygen gas generating system
A hydrogen/oxygen gas generating system includes a deionized water container and a cell for water electrolysis having anode and cathode compartments, the cell being submerged in deionized water in the container. Oxygen gas generated in the anode compartme...
11/25/1997
5417817Biomass gasification process and apparatus
An apparatus for a gasification of a biomass liquid solution includes a reaction chamber having a biomass liquid solution therein. The biomass solution includes at least water and carbon. A pair of spaced apart carbon electrodes are immersed in the soluti...
05/23/1995
5221451Automatic chlorinating apparatus
A pressurized gas chlorinator is constructed in the form of a two-compartment pressurized container. The lower container is filled with a media liquid, such as hydrochloric acid (HCl). A pair of electrodes are located in the lower container beneath the su...
06/22/1993
5158656Method and apparatus for the electrolytic preparation of group IV and V hydrides
An electrochemical apparatus and method for supplying volatile hydrides of sufficient purity, at the proper pressure, and in the required volume, for direct introduction into a chemical vapor deposition reactor in which semiconductors are manufactured and...
10/27/1992
5037518Apparatus and method for generating hydrogen and oxygen by electrolytic dissociation of water
Apparatus for generating hydrogen by the electrolysis of water comprising an electrolytic cell having a cathode and an anode separated by a solid electrolyte, an electrical power supply connected to the cell for applying a voltage across the cathode and a...
08/06/1991
4952298Corrective controller system for electrolytic cells
An electrolytic cell, e.g., for the electrolysis of NaCl to produce chlorine and sodium hydroxide, has an improved operation control system, such system including a plurality of means for monitoring and controlling the flowstreams of inlet starting materi...
08/28/1990
4861451Chlorinator cell
An electrolytic cell having a body adapted to be located so that the inlet and outlet are each on or adjacent the lower surface thereof and including electrodes whereby electrolysis of water passing through the cell can be effected, the arrangement being ...
08/29/1989
4822469Electrical power supply for an electrolytic gas generator
An electrical power supply for an electrolytic gas generator includes an input network provided with a first rectifying-flattening circuit for generating a DC voltage from an AC power source voltage input thereto and an output network provided with a swit...
04/18/1989
4379043Water-decomposition and gas-generating apparatus
An apparatus is provided for decomposing water and producing detonating gas by electrolysis. The apparatus includes a plurality of annular carbon electrodes which are concentrically arranged about a common vertical axis. The annular electrodes are perfora...
04/05/1983
4344831Apparatus for the generation of gaseous fuel
A method and apparatus for the generation of a gaseous hydrogen or hydrogen and oxygen mixture for use as a fuel. The apparatus includes an electrolytic tank having means for circulating and cooling the electrolyte solution therein, gas removal means and ...
08/17/1982
4113601Water decomposing apparatus
A water decomposition apparatus for producing detonating gas or oxyhydrogen gas comprises a plurality of electrolytic cells formed between a nested plurality of endless laminar electrodes each sealingly abutting at its upper and lower edges against elasto...
09/12/1978
4105523Biochemical oxygen demand measuring device
A biochemical oxygen demand measuring device which utilizes the decrease in pressure in an air space above the sample under measurement in a sealed reaction vessel to actuate an oxygen generator which utilizes an electrolysis cell communicating with the r...
08/08/1978
4078985Hydrogen generator
This invention relates to a hydrogen generator for producing hydrogen gas by electrolyzing an electrolytic solution, mainly consisting of water in an electrolytic cell; wherein palladium or palladium alloy membranes are used as the cathode and hydrogen ga...
03/14/1978
4016065Electrolytic field respirometer
The disclosed electrolytic field respirometer consists of a sample vessel in which oxygen is utilized by a biological sample. Oxygen is provided on demand from an electrolytic cell which is turned on when the electrolyte level in a contact tube rises beca...
04/05/1977
4014777Welding
This invention relates to welding, brazing or the like utilizing a mixture of hydrogen and oxygen generated in substantially stoichiometric proportions in an electrolytic cell by electrolytic dissociation of water, the mixture so generated being passed fr...
03/29/1977
 
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