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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7059138 | Biological refrigeration system A refrigeration system especially useful for refrigerating biological samples wherein a cryocooler, such as one employing a pressure wave from a pressure wave generator, is used to generate refrigeration for cooling liquid coolant or purging fluid, which is employed... | 06/13/2006 |
| 7024867 | Method for operating a cryocooler using on line contaminant monitoring A method for operating a cryocooler which provides opportunity for timely intervention prior to failure thus enhancing the reliability of the provision of the refrigeration wherein contaminant concentration downstream of a compressor but upstream of the cryocooler i... | 04/11/2006 |
| 7011010 | Free piston device with time varying clearance seal A free piston device which is particularly applicable for use with a linear motor for providing acoustic energy to a cryocooler for generating refrigeration at cryogenic temperatures which comprises a time varying clearance seal to counteract piston drift. ... | 03/14/2006 |
| 6938426 | Cryocooler system with frequency modulating mechanical resonator A refrigeration generation system wherein a frequency modulating mechanical resonator is positioned between a pressure wave generator and a cryocooler and serves to reduce the frequency of the oscillating gas emanating from the pressure wave generator so that it mor... | 09/06/2005 |
| 6932854 | Method for producing low carbon steel A method for producing low carbon steel wherein molten steel is decarburized in a three stage refining procedure comprising a first stage wherein oxygen is provided for decarburization enveloped in a gas shroud, a second stage wherein oxygen is provided for decarbur... | 08/23/2005 |
| 6901755 | Piston position drift control for free-piston device A piston position drift control for a free-piston device. The control includes a passage connecting internal volumes of the device, the passage being substantially shorter than an acoustic wavelength of the device; and a check valve in the passage for controlling fl... | 06/07/2005 |
| 6895765 | Method for providing cooling to superconducting cable A method for providing cooling to superconducting cable wherein pressurized liquid cryogen is passed into a vacuum vessel, which is maintained at a lower pressure by a vacuum pump, and a portion of the liquid cryogen is flashed to produce cooled liquid cryogen. The ... | 05/24/2005 |
| 6881354 | Multicomponent refrigerant fluids for low and cryogenic temperatures Multicomponent refrigerant fluids for generating refrigeration, especially over a wide temperature range including cryogenic temperatures, which are advantageous over conventional refrigerant fluids especially for certain applications, and which are non-toxic, non-f... | 04/19/2005 |
| 6875398 | Coherent jet system with outwardly angled flame envelope ports A coherent jet lance and operating method employing two sets of ports for delivering fuel and oxidant respectively for formation of a flame envelope around one or more gas jets wherein the ports of at least one set and preferably of each set are angled outwardly on ... | 04/05/2005 |
| 6865897 | Method for providing refrigeration using capillary pumped liquid A method for providing refrigeration to a refrigeration load such as superconducting equipment while reducing or eliminating potential two phase instability oscillations, wherein refrigeration condenses working fluid which is evaporated from the surface of a porous ... | 03/15/2005 |
| 6779361 | Cryogenic air separation system with enhanced liquid capacity A cryogenic air separation system having enhanced liquid production capacity wherein a feed air stream bypasses the primary heat exchanger and is processed through cooling and warming passes of a feed air liquefier to produce liquid feed air for introduction into th... | 08/24/2004 |
| 6773484 | Extensionless coherent jet system with aligned flame envelope ports A coherent jet lance and operating method wherein the need for a lance extension is eliminated using two rings of ports to deliver respectively fuel and oxidant flame envelope gases around the primary gas jets to maintain the gas jets coherent wherein the ports of t... | 08/10/2004 |
| 6749182 | Bolted collector for vapor liquid contacting vessel A liquid collector for use in a vapor liquid contacting vessel such as a distillation column having bolted or otherwise fastened components wherein liquid leakage is ameliorated by a collector tray divided into three overlapping levels including a center sump, deck ... | 06/15/2004 |
| 6742342 | System for cooling a power transformer A system for cooling a power transformer wherein cryogen in liquid or solid form is sprayed into a vaporizer or directly onto a power transformer radiator and the vaporizing and/or sublimating cryogen cools a cooling fluid within the vaporizer or cools the radiator ... | 06/01/2004 |
| 6732536 | Method for providing cooling to superconducting cable A method for providing cooling to superconducting cable wherein pressurized liquid cryogen is passed into a vacuum vessel, which is maintained at a lower pressure by a vacuum pump, and a portion of the liquid cryogen is flashed to produce cooled liquid cryogen. The ... | 05/11/2004 |
| 6732544 | Feed air precooling and scrubbing system for cryogenic air separation plant A system for preparing feed air for processing in a cryogenic air separation plant wherein nitrogen vapor from the plant is interacted with water to cool the water by heat exchange and also by evaporative cooling to produce chilled water, and the chilled water is co... | 05/11/2004 |
| 6694774 | Gas liquefaction method using natural gas and mixed gas refrigeration A gas liquefaction method which uses the pressure energy of a natural gas processing system to generate refrigeration for high temperature cooling of a gas, and uses a mixed gas refrigerant fluid to generate refrigeration for low temperature cooling of th... | 02/24/2004 |
| 6694776 | Cryogenic air separation system for producing oxygen A cryogenic air separation system for producing oxygen wherein essentially all of the power produced by a gas turbine system is used to compress feed air for the cryogenic air separation, and wherein preferably a facilitating column is employed to enhance... | 02/24/2004 |
| 6685903 | Method of purifying and recycling argon This invention is directed to a method for purifying argon from an impure argon stream. If the oxygen concentration in the impure argon is less than about 10 mole percent of oxygen, the invention is proceeded in the sequential steps of a) removing chlorin... | 02/03/2004 |
| 6668581 | Cryogenic system for providing industrial gas to a use point A system for providing industrial gas to a use point in relatively small quantities that would otherwise require the use of high pressure gas cylinders, wherein industrial gas is generated from a feed, liquefied using refrigeration generated by a refriger... | 12/30/2003 |
| 6666046 | Dual section refrigeration system A refrigeration system particularly useful with a multicomponent refrigerant fluid wherein the refrigerant fluid is cooled in an upward leg of a first vertically oriented heat exchanger section and further cooled in a downward leg of a second vertically o... | 12/23/2003 |
| 6647745 | Method for controlling the operation of a cryogenic rectification plant A method for controlling the operation of a plant such as a cryogenic rectification plant wherein process parameters are quantitatively determined and then are qualitatively categorized to establish by reference to a rule set the general adjustment requir... | 11/18/2003 |
| 6640557 | Multilevel refrigeration for high temperature superconductivity A method for refrigerating a high temperature superconducting device to maintain superconducting operating conditions wherein a first heat transfer means such as a first heat transfer fluid is cooled to a temperature greater than the temperature of satura... | 11/04/2003 |
| 6640553 | Pulse tube refrigeration system with tapered work transfer tube A pulse tube refrigeration system, having a pulse generator, a regenerator and a pulse tube, comprising a work transfer tube interposed between the pulse generator and the regenerator wherein the work transfer tube has a cross section at the end proximate... | 11/04/2003 |
| 6640552 | Cryogenic superconductor cooling system A system for providing refrigeration to a superconducting device wherein a cooling fluid is cooled by receiving refrigeration from one or more cryocoolers and then is warmed by indirect heat exchange with ballast liquid thereby providing cooling to the ba... | 11/04/2003 |
| 6626008 | Cold compression cryogenic rectification system for producing low purity oxygen A cryogenic rectification system for producing low purity oxygen from an auxiliary column to a double column system wherein the auxiliary column is reboiled by fluid taken from an intermediate level of the higher pressure column or by a portion of cooled ... | 09/30/2003 |
| 6622520 | Cryogenic rectification system for producing low purity oxygen using shelf vapor turboexpansion A cryogenic rectification system for producing low purity oxygen from an auxiliary column to a double column system and which can also effectively produce nitrogen gas product and/or one or more liquid products wherein the lower pressure column of the dou... | 09/23/2003 |
| 6604937 | Coherent jet system with single ring flame envelope A coherent jet lance and operating method wherein the need for a lance extension is eliminated using a single ring of ports to deliver flame envelope gases around the primary gas jets to maintain the gas jets coherent.... | 08/12/2003 |
| 6604364 | Thermoacoustic cogeneration system A method for operating a thermoacoustic engine which produces acoustic energy which may be used to generate refrigeration wherein energy delivery fluid from a hot energy source, which provides heat to the thermoacoustic engine, is used to provide heat to ... | 08/12/2003 |
| 6604367 | System for providing refrigeration for chemical processing A system for providing refrigeration to a chemical processing operation wherein a refrigerant fluid is compressed and cooled, and a portion turboexpanded prior to being passed to a chemical processing operation for direct contact or indirect heat exchange... | 08/12/2003 |
| 6601407 | Cryogenic air separation with two phase feed air turboexpansion A method for cryogenic air separation wherein at least a portion of the feed air to the cryogenic air separation plant is partially condensed and the resulting two-phase feed air stream is turboexpanded to produce refrigeration and a resulting two-phase f... | 08/05/2003 |
| 6595009 | Method for providing refrigeration using two circuits with differing multicomponent refrigerants A method for providing refrigeration wherein a first multicomponent refrigerant is condensed to form a saturated liquid and vaporized against a condensing second multicomponent refrigerant which has a dew point less than the dew point and preferably the b... | 07/22/2003 |
| 6592829 | Carbon dioxide recovery plant A system for recovering absorbate such as carbon dioxide from an oxygen containing mixture wherein carbon dioxide is concentrated in an alkanolamine containing absorption fluid, oxygen is separated from the absorption fluid, the resulting fluid is heated,... | 07/15/2003 |
| 6591632 | Cryogenic liquefier/chiller A system for chilling and/or liquefying a fluid wherein a multicomponent refrigerant in a circuit is compressed, condensed, expanded and warmed to cool one or more portions of the fluid which are then turboexpanded to generate refrigeration and which are ... | 07/15/2003 |
| 6591618 | Supercritical refrigeration system A method for providing refrigeration to a refrigeration load which enables the use of environmentally friendly refrigerants with lower power consumption than with conventional refrigerants wherein the low side pressure of the circuit exceeds the critical ... | 07/15/2003 |
| 6588224 | Integrated absorption heat pump thermoacoustic engine refrigeration system A system for generating refrigeration wherein a hot process fluid is used to drive a thermoacoustic engine and residual heat from the process fluid is used to desorb refrigerant from a high pressure absorbent heat pump solution with the resulting refriger... | 07/08/2003 |
| 6578829 | Packing for mass transfer column A packing section includes a plurality of vertically oriented, diagonally cross-corrugated packing sheets defining a section height. The section height has a base region, a bulk region, and a top region. The base region has a first particular geometry dif... | 06/17/2003 |
| 6568209 | Cryogenic air separation system with dual section main heat exchanger A cryogenic air separation system having a main heat exchanger for processing feed air, said heat exchanger having a reversing heat exchanger function in an upward feed airflow countercurrent section and having a desuperheating function in a downward feed... | 05/27/2003 |
| 6565010 | Hot gas atomization A method for atomizing a fluid wherein a gas is heated with the heating facilitating the acceleration of the gas to a high velocity. The accelerated gas contacts the fluid transferring shear, pressure and inertial forces and heat to the fluid effecting ef... | 05/20/2003 |
| 6557361 | Method for operating a cascade refrigeration system A cascade refrigeration system wherein the inlet and outlet pressures and the power consumption of the compressor of the higher temperature refrigeration circuit, and the inlet and outlet pressures and the power consumption of the compressor of the lower ... | 05/06/2003 |
