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<title>freepatentsonline.com: Power plants</title>
<link>http://www.freepatentsonline.com/result.html?query_txt=ccl/060%20and%20isd/04/29/2008&amp;uspat=on</link>
<description>USPTO Class 060 Power plants</description>
<language>en-us</language>
<lastBuildDate>Wed Apr 30 16:34:59 EDT 2008</lastBuildDate>

<item>
<title><![CDATA[Thermodynamic free walking beam engine]]></title>
<link>http://www.freepatentsonline.com/7363760.html</link>
<description><![CDATA[A free walking beam that uses the principles of the Stirling cycle to drive a piston reciprocatatively through a housing cylinder to pivot alternately around a pair of parallel power output shafts to provide a high torque means of generating mechanical energy. The heat differential required for the Stirling cycle is provided by an external heat source such as ambient heat, solar-heated fluid, or recovered waste heat that is applied to the lower end of the housing cylinder when in a substantially vertical position that elevates the piston to the opposing end thereof to create an imbalanced state thereby initiating the rotational freefall of the superior end of the housing cylinder which drives the power output shaft on which it is pivoting. The process is then repeated with the other power output shaft.]]></description>
<pubDate>April 29, 2008</pubDate>
</item>

<item>
<title><![CDATA[Combustor]]></title>
<link>http://www.freepatentsonline.com/7363763.html</link>
<description><![CDATA[A gas turbine engine combustor has forward bulkhead extending between inboard and outboard walls and cooperating therewith to define a combustor interior volume or combustion chamber. At least one of the walls has an exterior shell and an interior shell including a number of panels. Each panel has interior and exterior surfaces and a perimeter having leading and trailing edges and first and second lateral edges. A number of cooling passageways have inlets on the panel exterior surface and outlets on the panel interior surface. A rail protrudes from the exterior surface and is recessed from the leading edge along a majority of the leading edge.]]></description>
<pubDate>April 29, 2008</pubDate>
</item>

<item>
<title><![CDATA[Gas turbine power plant and method of operating the same]]></title>
<link>http://www.freepatentsonline.com/7363764.html</link>
<description><![CDATA[A method of operating a gas turbine power plant and gas turbine power plant are disclosed wherein hydrogen for the combusting process is produced by feeding natural gas mixed with steam through a membrane/partial oxidation reactor and converting the natural gas at least to H 2  and CO. Thereby oxygen is transferred from the compressed air through the membrane of the membrane/partial oxidation reactor and the oxygen is used for the partial oxidation process of the natural gas. The process is followed by converting the syngas in a CO shift reactor and a CO shift reactor to a CO 2  removal equipment to mainly hydrogen.]]></description>
<pubDate>April 29, 2008</pubDate>
</item>

<item>
<title><![CDATA[Method for combustion of a fuel]]></title>
<link>http://www.freepatentsonline.com/7363756.html</link>
<description><![CDATA[In a method for the combustion of a fuel, a fuel or a premixed combustible mixture is introduced into a combustion space as a combustible fluid open jet. The velocity of the open jet is selected in such a way that it is impossible for a stable flame front to form, i.e. is in any event greater than the flame front velocity, and that, on account of a jet pump effect, flue gas is mixed into the combustible fluid jet from the combustion chamber in a jet-induced recirculation internally within the combustion chamber. The admixed flue gas dilutes and heats the combustible fluid. The heating causes the spontaneous ignition temperature to be exceeded, and a low-pollutant volumetric flame is formed in a highly dilute atmosphere.]]></description>
<pubDate>April 29, 2008</pubDate>
</item>

<item>
<title><![CDATA[Turbine engine with semi-fixed turbine driving a receiver controlled so as to preserve a roughly constant rotation speed]]></title>
<link>http://www.freepatentsonline.com/7363757.html</link>
<description><![CDATA[The invention relates to a turbine engine ( 1 ) with a semi-fixed turbine, particularly for aircraft driving a receiver ( 2 ) controlled so as to preserve a roughly constant rotation speed. The turbine engine, in particular via a gear system ( 20 ), drives the receiver and an LP compressor ( 6 ) with an LP turbine ( 14 ). According to the invention, the gear system has a torque control system ( 26 ) maintaining a constant ratio between the drive torque of the receiver transmitted by the gear system and the drive torque of the LP compressor transmitted by this same gear system.]]></description>
<pubDate>April 29, 2008</pubDate>
</item>

<item>
<title><![CDATA[Exhaust gas throttle for divided turbine housing turbocharger]]></title>
<link>http://www.freepatentsonline.com/7363761.html</link>
<description><![CDATA[A turbocharger ( 107 ) for an internal combustion engine ( 100 ) includes a turbine having a divided turbine housing ( 109 ). A first inlet port ( 113 ) may be connected to a first volute that is formed in the turbine housing ( 109 ), and a second inlet port ( 114 ) connected to a second volute that is formed in the turbine housing ( 109 ). A center housing may be connected to the turbine housing ( 109 ), and a compressor ( 111 ) may be connected to the center housing. An exhaust gas valve ( 137 ) is in fluid communication with the first inlet port ( 113 ) and arranged to at least partially constrict a flow of exhaust gas from entering the first inlet port ( 113 ) of the turbine ( 109 ), but not constrict the flow of exhaust gas from entering the second inlet port ( 114 ).]]></description>
<pubDate>April 29, 2008</pubDate>
</item>

<item>
<title><![CDATA[Lean burn engine control NO<sub>x </sub>purging based on positional loading of oxidants in emission control device]]></title>
<link>http://www.freepatentsonline.com/7363758.html</link>
<description><![CDATA[Disclosed is a method for controlling a lean burn engine coupled to an emission control device that stores oxidants during lean operation, and reacts the stored oxidants during stoichiometric or rich operation, the method comprising estimating amounts of NOx stored in the device along a plurality of axial positions of the device and adjusting an operating parameter based on said estimate.]]></description>
<pubDate>April 29, 2008</pubDate>
</item>

<item>
<title><![CDATA[Photostabilization of dibenzoylmethane UV-screening agents with arylalkyl benzoate compounds and photoprotective cosmetic compositions comprised thereof]]></title>
<link>http://www.freepatentsonline.com/7364721.html</link>
<description><![CDATA[Topically applicable cosmetic/dermatological photoprotective compositions contain at least one dibenzoylmethane UV-screening agent, and, as a photostabilizer therefor, at least one arylalkyl benzoate compound of formula (I) or (II) below:  
 
with the proviso that:
 
     (i) the subject compositions are characteristically devoid of any octyl methoxycinnamate; and (ii) same are other than a solution of butyl methoxydibenzoylmethane in 2-phenylethyl benzoate, 2-phenylethyl o-toluate, 2-phenylethyl p-toluate or in a 2-phenylethyl o-toluate/2-phenylethyl p-toluate (1/1) mixture.]]></description>
<pubDate>April 29, 2008</pubDate>
</item>

<item>
<title><![CDATA[Dynamic mass transfer rapid response power conversion system]]></title>
<link>http://www.freepatentsonline.com/7363887.html</link>
<description><![CDATA[The present invention features a rapid fire rapid response power conversion system comprising (a) a chamber having at least one fluid port configured to supply combustible fluid to the chamber, and an out-take port; (b) a compressor for supplying compressed combustible fuel to the chamber at a variable pressure to at least partially facilitate combustion therein; (c) a controller for initiating and controlling a combustion of the combustible fluid in a combustion portion of the chamber to generate energy; (d) a rapid response component in fluid communication with the chamber and situated adjacent the combustion portion of the chamber, wherein the rapid response component is configured to draw an optimized portion of the energy generated from the combustion and to convert this optimized portion of energy into kinetic energy; and (e) a dynamic mass structure situated between the rapid response component and an energy transfer component and allowing the rapid response component and the energy transfer component to be independent of one another, wherein the dynamic mass structure is configured to receive and store the kinetic energy from the rapid response component upon being acted upon by the rapid response component, wherein the dynamic mass structure is displaced a pre-determined distance and at a given velocity such that it is caused to impact the energy transfer component, thereby transferring substantially all of the kinetic energy stored therein into the energy transfer component. The transfer of stored kinetic energy into the energy transfer component by the dynamic mass structure effectively causes the energy transfer component to displace, wherein the displacement is used to perform work used to power the device or system operable with the energy transfer component.]]></description>
<pubDate>April 29, 2008</pubDate>
</item>

<item>
<title><![CDATA[Control system for internal combustion engine]]></title>
<link>http://www.freepatentsonline.com/7363906.html</link>
<description><![CDATA[A control system for an internal combustion engine, which can determine just enough amounts of demanded combustion fuel and auxiliary fuel during execution of auxiliary fuel supply, for improvement of fuel economy and drivability and the emission-reducing capability of a catalyst. The control system carries out auxiliary fuel supply for a cylinder during a predetermined time period within the expansion and exhaust strokes, to control the catalyst to a predetermined state for its emission-reducing capability. The control system calculates a whole demanded fuel amount to make oxygen concentration in exhaust gases equal to a predetermined value for controlling the catalyst to the state during auxiliary fuel supply, determines the amount of demanded combustion fuel to be supplied to obtain engine output, and determines the auxiliary fuel amount based on the difference between the whole demanded fuel amount and the demanded combustion fuel amount.]]></description>
<pubDate>April 29, 2008</pubDate>
</item>

<item>
<title><![CDATA[Integrated exhaust gas recirculation valve and cooler system]]></title>
<link>http://www.freepatentsonline.com/7363919.html</link>
<description><![CDATA[An exhaust gas recirculation system for an engine positioned in an engine compartment of a vehicle is provided. The system comprises an exhaust gas recirculation cooler positioned in an exhaust gas path of the engine; and an exhaust gas recirculation valve positioned upstream of the cooler in the exhaust gas path and spatially adjacent a side of the cooler that is exposed to decreased ambient temperature in the engine compartment during engine powered vehicle travel.]]></description>
<pubDate>April 29, 2008</pubDate>
</item>

<item>
<title><![CDATA[Hydraulic transaxle apparatus for a four-wheel-drive vehicle and four-wheel-drive vehicle using the apparatus]]></title>
<link>http://www.freepatentsonline.com/7363759.html</link>
<description><![CDATA[An articulated vehicle with a working device has a first frame having a prime mover mounted thereon and supporting a first transaxle apparatus. The first transaxle apparatus includes an input shaft receiving power from the prime mover, a pair of first axles, and a hydrostatic transmission. The hydrostatic transmission comprises a variable hydraulic pump, a first hydraulic motor fluidly connected to the hydraulic pump via a fluid passage, and a housing with a flexible port fluidly connected to the fluid passage. The second transaxle apparatus includes a pair of second axles having different lengths and a second hydraulic motor. The second hydraulic motor is fluidly connected via piping to a directionally adjustable connection portion of the flexible port. Proximal ends of the first and second frames with respect to the vehicle are coupled to each other so that the first and second frames are rotatable around a vertical axis relative to each other when steered.]]></description>
<pubDate>April 29, 2008</pubDate>
</item>

<item>
<title><![CDATA[Humidity-based combustion control in a multiple combustion mode engine]]></title>
<link>http://www.freepatentsonline.com/7363911.html</link>
<description><![CDATA[A system and method for controlling operation of a gasoline internal combustion engine capable of running in a spark ignition mode and a homogeneous charge compression ignition mode. The method and system implementation include determining humidity of air to be drawn into a combustion cylinder of the engine, and controlling an operating parameter of the engine that affects the homogeneous charge compression ignition mode of operation.]]></description>
<pubDate>April 29, 2008</pubDate>
</item>

<item>
<title><![CDATA[Mowing machine]]></title>
<link>http://www.freepatentsonline.com/7363754.html</link>
<description><![CDATA[A control system for a trimmer head assembly includes a first arm including a first mowing device, a first cylinder connected to the first arm, a source of fluid in selective communication with the first cylinder via a fluid line, and an accumulator in selective communication with the first cylinder when the first cylinder is not in communication with the source of fluid. The accumulator is adapted to receive fluid from the first cylinder when an external force is applied to the first arm and to deliver fluid to the first cylinder when the external force has been removed from the first arm.]]></description>
<pubDate>April 29, 2008</pubDate>
</item>

<item>
<title><![CDATA[Gas turbine engines seal assembly and methods of assembling the same]]></title>
<link>http://www.freepatentsonline.com/7363762.html</link>
<description><![CDATA[A method of assembling a gas turbine engine includes providing a gas turbine engine including a compressor, a combustor downstream from the compressor, and a turbine coupled to the compressor, and coupling a seal assembly aft of the compressor such that air discharged through the seal assembly facilitates reducing the cavity pressure, and therefore reducing the axial forces induced to an aft side of the compressor.]]></description>
<pubDate>April 29, 2008</pubDate>
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