|| List of recent Pressor-related patents
| Centrifugal refrigerant vapour compressors|
A centrifugal compressor for compressing a refrigerant vapour in a refrigeration cycle. The compressor comprises an impeller drive shaft (28) supported by first and second radial bearings (32) for rotation within the compressor housing and an impeller assembly including at least one centrifugal impeller wheel mounted on the impeller drive shaft to rotate with the impeller drive shaft.
| Method for dispensing ophthalmic fluid|
An ophthalmic dispenser and method of filling and dispensing fluid stored therein. The dispenser includes a rigid housing defining a fluid-receiving chamber, a flexible bladder receivable within the fluid-receiving chamber, a pump coupled in fluid communication with the fluid-receiving chamber, and a nozzle having a valve defining an annular, axially-extending valve seat, an outlet aperture coupled in fluid communication between the valve seat and the pump, and a flexible valve cover extending about the valve seat and forming an annular, axially-extending interface therebetween.
| Method of restoring a system of pipes|
A method of restoring a system of pipes preferably includes the steps of preparation of the system; airflow mapping the system; drying and cleaning the system of pipes; injecting the interior coating material into each system inlet; monitoring and controlling airflow rates through the system of pipes to track the progression of the liquid coating; curing or drying the interior coating; and airflow mapping the pipe system upon completion. The system restoration method preferably uses a multiple line control box, a media injection system, an air compressor and a coating dispensing system at an inlet of the leaking pipe.
A compressor includes a drive shaft, a housing, an annular rotor, and cradles. The rotor has cradle windows.
| Gas compressor|
A gas compressor includes a cylinder member (40), a rotor (50), and a plurality of vanes (58), wherein a proximal section (48) is provided between the cylinder member (40) and the rotor (50), so that a single cylinder room (42) which performs a refrigerant gas (g) compression cycle one-time per one rotation of the rotor (50) is formed, and at least one sub-discharge section (46) which maintains pressure of the refrigerant gas (g) in a compression room (43) in discharge pressure (p) by releasing the pressure of the compression room (43) when the pressure of the refrigerant gas (g) in the compression room (43) reaches the discharge pressure (p).. .
| Compressor for pressurized fluid output|
A compressor moves a fluid from an inlet to an outlet and provides a pressure differential there between due to respective pistons moving in and out of a plurality of piston chambers via a piston rod. A rotating shaft extends through a grooved end plate, and the rotating shaft is connected to either the grooved end plate or the piston rod.
A compressor includes a housing; a suction region and a discharge region which are formed in the housing in a partitioned manner. The compressor also includes a shaft which is pivotally supported in the inside of the housing.
| Double-headed piston type swash plate compressor|
A double-headed piston type swash plate compressor includes a swash plate, a double-headed piston, a control pressure chamber, a discharge pressure region, a suction pressure region, a supplying passage, which extends from the discharge pressure region to the control pressure chamber, a narrowing portion, which narrows an opening degree of the supplying passage, and a displacement control valve. The displacement control valve controls a pressure in the control pressure chamber.
| Device and method for preparing liquified natural gas (lng) fuel|
A method for creating a supply of natural gas fuel for a combustion engine, comprising: obtaining boil-off gas from an lng storage tank containing liquified natural gas, compressing the boil-off gas in a compression stage consisting of a labyrinth-sealed piston-compressor or a piston-compressor sealed by piston rings, and compressing the natural gas in a compression stage consisting of a piston-compressor sealed by piston rings or a labyrinth-sealed piston-compressor, compressing the natural gas to a pressure of between 100 bar and 500 bar, and making the natural gas available at an outlet, wherein at least one of the piston-compressors has a bypass, and that natural gas is returned via the at least one bypass such that the natural gas at the outlet is at a required target pressure (psoll).. .
| Control for engine driven compressor|
A controller for a vehicle pneumatic system loads a compressor responsive to engine power absorption by the engine and air storage facility air pressure readings up to a pressure limit. The controller is responds to power demand on the engine in excess of an engine speed related global maximum and air pressure readings down to a global minimum for unloading the compressor.
| Centrifugal compressor|
A centrifugal compressor for which θ−α>0° and 0°<θ<34°, when the angle formed by a diffuser inlet hub-side line (5a) and the radial direction at a point b in the meridian plane is θ, and the angle formed by a tangent line (3b) and the radial direction at a point a of an impeller hub-side line (3a) nearest the inlet of the diffuser (5) is α. Thus, skewing of the velocity distribution of a gas within the diffuser of the centrifugal compressor is eliminated..
| Exhaust-gas turbocharger|
An exhaust-gas turbocharger (1) comprising a compressor (2); a turbine (3); and a bearing housing (4), in which there is arranged a bearing cartridge (5), secured against axial displacement and twisting; and a single fixing element (6) securing the bearing cartridge (5) both against axial displacement and also twisting in the bearing housing (4). Also a method for assembling a bearing cartridge (5) in a bearing housing (4) of an exhaust-gas turbocharger (1)..
| Method for manufacturing anti-rotation ring of scroll type compressor and anti-rotation mechanism of the scroll type compressor|
In a method for manufacturing an anti-rotation ring of a scroll type compressor, wherein the anti-rotation ring is provided in an anti-rotation mechanism for preventing a movable scroll from rotation on its own axis and made of a metal, the steps of the method include drawing a steel plate into a first intermediate body having a bottomed cylindrical shape, punching the bottom of the first intermediate body thereby to make a second intermediate body and ring forming the second intermediate body.. .
| Pneumatic compressor recirculation valve system for minimizing surge under boost during throttle closing|
An engine system having a compressor coupled to an engine and supplying air to an intake manifold, a throttle controlling the supply of air from the compressor to the intake manifold, a compressor recirculation valve (crv) having a pneumatic control chamber, and a throttle aspirator having its motive section in fluid communication with an inlet of the throttle and its discharge section in fluid communication with an outlet of the throttle and its suction port in fluid communication with the pneumatic control chamber of the crv. Such an engine system automatically minimizes surge during boost without a control system activating the crv.
| Variable bleed slot in centrifugal impeller|
The present disclosure relates to shroud bleed in centrifugal compressors. An air-limiting component 130 may be located adjacent to a shroud 120.
| Variable discharge compressor control|
Embodiments are disclosed that relate to controlling a compressor. In one example, method of controlling a compressor comprises regulating a discharge capacity of the compressor via a control current supplied to a control device, holding the control current supplied to the control device at substantially zero amperes for a first duration, and stepping the control current from substantially zero amperes to a sustainable current that provides a sustainable level of a performance parameter of the compressor..
| System and method for narrow bandwidth digital signal processing|
The present invention provides methods and systems for narrow bandwidth digital processing of an input audio signal. Particularly, the present invention includes a high pass filter configured to filter the input audio signal.
| Rotor of permanent-magnet embedded motor, and compressor, blower, and refrigerating/air conditioning device using the rotor|
A rotor of a permanent-magnet embedded motor includes a rotor core having magnet insertion holes along a circumferential direction and a magnet inserted into each of the holes, wherein a gap is formed at opposite ends of a hole at a time of inserting the magnet therein, an outer peripheral face of the core is formed by a first curved surface formed from a magnetic pole center to between poles, with a radial distance from a shaft center of the core being largest at the pole center on the peripheral face, and a second curved surface formed from an interpolar portion toward the pole center to intersect with the first curved surface, with the radial distance from the shaft center being smallest in the interpolar portion on the peripheral face, and wherein a length of the first curved surface is larger than a length of the second curved surface.. .
| Safety means against pressure exceedance|
A safety means for protecting a plant section located on the pressure side of a jet compressor connected with a propellant system against the exceedance of an admissible pressure, comprising a controlled safety valve actuated by external energy, whose control means measures is connected with the plant section to be protected via at least one pressure tapping line, wherein the safety valve is arranged such that upon exceedance of the pressure in the protected plant section it can vent propellant from the propellant system.. .
| Projecting features molded within submerged tread voids|
The present invention concerns tire treads having projecting features comprising wear indicators, stone ejectors, and/or noise suppressors arranged within voids submerged below the top, outer side of a tread. Particular embodiments of the invention provide a tire tread having a submerged void extending into to the tread thickness from the bottom side of the tread to a terminal location spaced below the tread top side, the top side forming a ground-engaging side of the tread.
| Integrated puncture repair kit|
An extraction cap of an integrated puncture repair kit is provided with: an intake unit for taking compressed air coming from a compressor into the extraction cap; an outlet unit for taking the intaken compressed air or both compressed air and a puncture repair solution to outside the extraction cap; a dedicated air flow path that ordinarily connects to the intake unit and provides conduction from the inlet unit to the outlet unit without passing through a bottle container; a dedicated puncture repair flow path comprising a first flow path section that is connected by a switching means to the intake unit instead of the dedicated air flow path and providing conduction from the intake unit into the bottle container, and a second flow path section providing conduction from inside the bottle container to the intake unit; a first on-off valve that is interposed in the second flow path section and ordinarily closes the first flow path section; and the switching means, which is actuated by downward pressing of a bottle unit and connects the intake unit switching from the dedicated air flow path to the dedicated puncture repair flow path, and also releases the first on-off valve to close the second flow path section.. .
| Portable hyperbaric chamber with a vertical mounting system|
A portable hyperbaric chamber with a vertical mounting system includes an inflatable enclosure which is vertically positioned by a rigid base. An internal frame also functions as an additional mounting system so that the inflatable enclosure can be vertically positioned during pressurized and not pressurized instances.
| Systems and methods for providing aircraft passengers with oxygen|
The disclosure provides apparatus and methods of use pertaining to providing concentrated oxygen to an oxygen-dependent airline passenger. One embodiment provides an on-board oxygen concentrator that includes at least one air compressor secured in a compartment of an aircraft and at least one zeolite sieve bed also secured in a compartment of the aircraft, such as the same compartment.
| Method and a device for liquid treatment when compressing a well flow|
A device for separating liquid from gas in a well flow when compressing the well flow comprises a liquid separator (1′) having an inlet (13) for the well flow, an outlet (5) for gas and an outlet (4) for liquid. According to the invention separated liquid from the liquid separator (1′) is fine-divided in connection with the liquid outlet (4), and the fine-divided liquid is supplied into the gas outlet (5) at a mixing point (8) downstream the liquid separator (1′) and upstream a compressor (11)..
| Sensor device for the contactless acquisition of a rotation characteristic of a rotatable object|
A sensor device is described for the contactless acquisition of at least one rotation characteristic of a rotatable object, in particular for acquiring a rotational speed of a compressor wheel of a turbocharger, and includes at least one sensor element. The sensor device also includes at least one magnetic-field generator for generating a magnetic field at the location of the rotatable object, and at least one magnetic-field sensor for detecting a magnetic field generated by eddy currents of the rotatable object.
| Systems and methods for separating alkane gases with applications to raw natural gas processing and flare gas capture|
The present invention is a field-deployable system for separating methane and natural gas liquids (ngls) from a raw gas stream comprising a compressor; a dehydrator; a refrigerator having one or more stages; and a separation subsystem adapted to separate the raw gas stream into three product streams including a methane stream that is at least 80% methane, an ethane-rich stream, and a ngls stream having a vapor pressure of no more than 250 psia at 38° c. The methane stream is sufficiently lean to be useable in existing natural gas engines without modification.
| Heat exchanger|
A heat exchanger comprises a first header (1), a second header (2) spaced apart from the first header (1) by a predetermined distance, flat tubes (3) each of which defines two ends connected to the first and second headers (1, 2), respectively, to communicate the first and second headers (1, 2), fins (4) interposed between adjacent flat tubes (3), and a flow member defining a fluid-flow passage and forming a partition-wall-type heat-exchanging unit with the second header (2). A refrigeration system comprises a compressor, a condenser, a throttle device, and an evaporator that is the heat exchanger.
| Adaptive trans-critical co2 cooling systems for aerospace applications|
A cooling system includes a heat exchanger through which a refrigerant flows, and which rejects heat to a fluid, an evaporator, a first circuit having an expansion device, a second circuit having an expansion machine coupled to a compressor, and a set of valves arranged to direct the refrigerant through the first circuit, the second circuit, or both the first and second circuits based on ambient conditions.. .
| Method and device for suppressing the formation of ice on structures at the air intake of a turbomachine|
The application relates to a method and a device for suppressing ice formation on intake structures of a compressor, particularly the compressor of a gas turbine. The technical aim of the present invention is to provide a method and a device for suppressing the formation of ice on said structures, which avoid the disadvantages of known solutions, such as a reduction of the performance of the gas turbine, and have a simple and broad applicability.
| Gas turbine engine and method of operating thereof|
A gas turbine engine and method for operating a gas turbine engine includes compressing an air stream in a compressor and combusting the compressed air stream to generate a post combustion gas. The post combustion gas is expanded in a first turbine.
| Turbine engine gearbox|
A gas turbine engine comprises a fan, a compressor, a combustor, and a fan drive turbine rotor. The fan drive turbine drives the fan through a gear reduction.
| Variable frequency drive power ride thru|
A gas turbine engine includes a compressor, a combustor adjacent the compressor, a turbine adjacent the combustor, a shaft, a motor, a variable frequency drive, a stored energy source and a ride thru unit. The motor is coupled to the shaft.
| Supercharger-equipped internal combustion engine|
A supercharger-equipped internal combustion engine in the present invention includes a turbo-supercharger (20) which includes, at some point in an intake passage (26), a centrifugal compressor (20b) having an impeller section (20b4) for housing a compressor impeller (20b3). In the supercharger-equipped internal combustion engine, egr gas and blow-by gas are introduced into an intake system in such a way as to flow into the centrifugal compressor (20b) via an egr gas introduction section (40a) and a blow-by gas introduction section (48a).
| Coordinating variable valve actuation and turbocharger operation in an internal combustion engine|
An engine control system coordinates control of a pressure regulating mechanism associated with a turbocharger turbine and control of a variable valve actuating (vva) mechanism for expanding the range of possible exhaust gas recirculation rates over a large portion of an engine operating map to provide egr rates which are greater than typical present-day levels while mitigating engine pumping losses by causing the turbocharger to operate with better efficiency in some regions of the map where it otherwise would not. Turbocharger efficiency is improved by controlling the vva mechanism to set the timing of operation of its respective cylinder valves in accordance with a predetermined correlation of operating efficiencies of a compressor to timing of operation of respective engine cylinder valves, causing the compressor to operate at points of better efficiency than it otherwise would without use of vva..
| Pneumatic compressor recirculation valve system for minimizing surge under boost during throttle closing|
An engine system having a compressor coupled to an engine and supplying air to an intake manifold, a throttle controlling the supply of air from the compressor to the intake manifold, a vacuum reservoir, an aspirator having its motive section in fluid communication with the air intake system upstream of the compressor and its discharge section in fluid communication downstream of the compressor and a suction port in fluid communication with the vacuum reservoir, a compressor recirculation valve having a pneumatic control chamber in fluid communication with downstream air from the compressor and in fluid communication with the vacuum reservoir, a gate valve controlling the fluid communication of the pneumatic control chamber of the compressor recirculation valve with the downstream air and the vacuum reservoir, and a bleed line having a bleed valve in fluid communication with the vacuum reservoir and the pneumatic control chamber of the compressor recirculation valve.. .
| Turbocharger compressor rotor alignment system|
An aftwardly-extending internally-threaded boss of a boreless-hub compressor rotor of a turbocharger engages a corresponding externally-threaded forward end portion of an associated rotor shaft of the turbocharger, wherein an internal surface of an inner race of an associated rolling-element bearing of the turbocharger is in engagement with both an external surface of the rotor shaft and an external surface of the internally-threaded boss of the boreless-hub compressor rotor, wherein the rotor shaft extends through the inner race of the rolling-element bearing.. .
|Low capacitance transient voltage suppressor (tvs) with reduced clamping voltage|
A low capacitance transient voltage suppressor with reduced clamping voltage includes an n+ type substrate, a first epitaxial layer on the substrate, a buried layer formed within the first epitaxial layer, a second epitaxial layer on the first epitaxial layer, and an implant layer formed within the first epitaxial layer below the buried layer. The implant layer extends beyond the buried layer.
A scroll compressor is provided which is configured such that an arcuate section may be formed from a suction end of a wrap to a first point to increase a suction volume, and a logarithmic spiral section in which a wrap thickness increases may be formed from a second point to a discharge end of the wrap. This may increase a volume ratio of the compressor so as to increase a capacity of the compressor and prevent damage to the wrap due to a high compression ratio operation, thereby enhancing reliability of the compressor..
|Cylinder cover for alternative compressor|
A cylinder cover for alternative compressor comprises a block (1) provided with at least a sealing contour (11) and at least a support projection (3) for supporting a discharge valve stop. Said support projection (3) is spaced from the sealing contour (11) through at least one gap (4)..
|Magnetic bearing device and compressor|
A magnetic bearing body supports a rotating shaft using a combined electromagnetic force of a pair of control electromagnets without contact. A controller detects a control index value based on a first coil current passed through a coil of a first control electromagnet of the pair of control electromagnets which generates an electromagnetic force in the same direction as that of a load exerted on the rotating shaft, the control index value being an index of the degree of margin for error in control depending on a value of the first coil current.
|Hermetic motor cooling and control|
An apparatus and method for cooling a compressor motor having a motor stator and rotor in a refrigerant system. The method cools the rotor and the stator, electromagnetic bearings located within a compressor housing providing refrigerant liquid to the stator internal channels, the channels being in fluid communication with a rotor passageway, and a flow-control device controlling refrigerant flow into the stator.
|Water-injected gas compressor and method for controlling the water supply|
The invention relates to a method for controlling the water supply of a water-injected compressor, into the cooling water circuit of which is injected demineralized and non-demineralized water as fresh water. The method according to the invention is characterized in that the fresh water supplied is a mixture of demineralized and non-demineralized water, and the proportions of the demineralized and non-demineralized water in the fresh water are dependent on the conductivity of the demineralized and non-demineralized water.
An exhaust-gas turbocharger (1) having a compressor (2), which has a compressor housing (3); a turbine (4), which has a turbine housing (5); and a bearing housing (6), which is arranged between the compressor housing (3) and the turbine housing (5) and is connected to the compressor housing (3) by way of a compressor-side connecting device and to the turbine housing (5) by way of a turbine-side connecting device (7). The turbine housing-side and/or compressor-side connecting device (7) is in the form of a taper key bolted joint having bolts (8, 9, 10) which are arranged at least substantially perpendicularly to an exhaust-gas turbocharger longitudinal axis (l)..
|Variable geometry turbocharger control system|
The disclosure relates to a control system for a turbo-charged engine having a variable geometry turbine driving a compressor. An intake manifold temperature sensor senses an intake manifold temperature.
|Compressor control device and control method therefor, and compressor system|
A compressor control device includes an inlet guide vane opening degree control unit configured to control an opening degree of an inlet guide vane. The inlet guide vane opening degree control unit includes an inlet guide vane opening degree command value calculation unit configured to calculate an inlet guide vane opening degree command value based on an outlet pressure detection value and a plurality of inlet guide vane opening degree correction units each configured to correct the inlet guide vane opening degree command value based on the post-merger pressure detection value and a corresponding inlet flow rate detection value for each of a plurality of upstream-most compressor bodies..
|Apparatus and method for burying elongate member|
Apparatus and method for burying elongate member apparatus for laying an elongate member in a trench, the apparatus comprises a main body portion; ground-contacting apparatus on which the main body portion is mounted and by which the apparatus may in use move over the ground; an elongate member moving device configured to move the elongate member from an initial position to a elongate member laying position; and a depressor attached to the main body portion and configured to guide the elongate member from its elongate member laying position to its in-trench location, the depressor having an elongate member entry portion and an elongate member exit portion, wherein the depressor is rotatable in use about an axis which is substantially parallel to the longitudinal axis of the elongate member.. .
A suppressor includes baffles with geometry and spacing minimizing sound level in the human hearing range, and overlapping tapers on consecutive elements replacing welds. The geometry includes conical baffles with approach angles between 153.7 and 163.7 degrees and at least one inch separation.
|Intrinsically safe drill cuttings sample cleaning station|
An intrinsically safe drill cuttings sample cleaning station includes a frame upon which is dependently supported a mechanical separator, an air dryer and a spin dryer. The mechanical separator provides a bath integrated with a shaker frame.
|Heat of compression dryer system|
A gas compressing system includes a compressor that provides a flow of compressed gas, a first desiccant tower, and a second desiccant tower separate from the first tower. The system also includes a first separator, a second separator separate from the first separator, an outlet, a first set and second set of no more than three valves each movable between an open position and a closed position.
|Method for producing one or more air separation apparatuses, and equipment for air separation by cryogenic distillation|
In a method for producing an apparatus for air separation by cryogenic distillation, at least one gas in the air is obtained as a product by air separation in a cold box including at least one column, the cold box being supplied with air at a first pressure by n air compressors that compress the air from the ambient pressure to the first pressure, the first pressure being greater than 12 bar absolute and less than 35 bar absolute, n being equal to or greater than 3, and the total power of the n compressors being greater than 10 mw, a group of n size classes of a frame for compressors being predefined, n being equal to 2 or 3 or 4 or 5, and the n compressors being selected such that all of the n compressors have a size selected from the n sizes of the group.. .
In an air-conditioning apparatus, refrigerant flows sequentially through a compressor, an outdoor heat exchanger, expansion mechanisms, and an indoor heat exchanger during a cooling operation, and refrigerant flows sequentially through the compressor, the indoor heat exchanger, the expansion mechanisms, and the outdoor heat exchanger during a heating operation. Capacity of the outdoor heat exchanger is 30% to 90% of the indoor heat exchanger.
|Circular evaporating coil with backward inclined blower wheel with a vertical axis rotatable discharge shroud|
An air conditioning unit including a condenser, a compressor, an evaporator system having an evaporator coil and a plurality of evaporator fins in contact with the evaporator coil, wherein the evaporator system forms a generally hollow cylindrical shape, a blower having an intake side and an exhaust side, the blower adapted to draw a volume of air through the plurality of evaporator fins and expel the volume of air in a direction generally perpendicular with a longitudinal axis of the evaporator system, and an exhaust shroud arranged adjacent the exhaust side of the blower, wherein the exhaust shroud is adapted for rotational movement about the longitudinal axis of the evaporator system, the compressor is arranged in fluid communication with the evaporator system and the condenser, and the evaporator is arranged in fluid communication with the condenser.. .
An air-conditioning apparatus includes an outdoor-side flow rate control device (a fourth flow rate control device) that generates an intermediate pressure for injection into a compressor, and a bypass flow rate control device (a sixth flow rate control device) that is placed at a bypass pipe allowing bypassing of an outdoor heat exchanger in parallel to the outdoor-side flow rate control device and that controls the amount of heat exchange of the outdoor heat exchanger together with the outdoor-side flow rate control device.. .
|Air conditioner and method of controlling the same|
A method of controlling an air conditioner including a compressor, an outdoor heat exchanger, an expansion valve and an indoor unit, includes detecting an indoor temperature and an outdoor temperature and checking an indoor load and an outdoor load when an operation command is input, determining an operation frequency of the compressor and a degree of opening of the expansion valve based on the checked indoor load and the outdoor load, driving the compressor at the determined operation frequency and opening the expansion valve to the determined degree of opening, thereby supplying a refrigerant to an indoor heat exchanger having a first cooling panel and a second cooling panel disposed parallel to each other, controlling a rate of rotation of each of the indoor fans based on the operation frequency of the compressor and the degree of opening of the expansion valve.. .
|Controlling hvac condenser fans using pressure sensors|
A heating, ventilation and air conditioning (hvac) unit may both save energy and monitor for fault conditions by monitoring an ambient air temperature, compressor discharge pressure, and evaporator suction pressure and using these measurements to identify known conditions. Compressor discharge pressure and ambient temperature may be used as indices to a look up table or map to determine a speed and direction for a condenser fan.
|Rolling element bearings for an oil-free liquid chiller|
A refrigeration chiller employs a centrifugal compressor the impellers of which are mounted on a shaft which is itself mounted for rotation using rolling element bearings lubricated only by the refrigerant which constitutes the working fluid of the chiller system. Apparatus is taught for providing liquid refrigerant to (1.) the bearings immediately upon chiller start-up, during chiller operation and during a coastdown period subsequent to shutdown of the chiller and (2.) the drive motor of the chiller's compressor for motor cooling purposes.
|Method and apparatus for supplying a combustion chamber with nitrogen|
In a method for supplying nitrogen to a combustion chamber, gaseous nitrogen (9) is drawn off from an air separation unit (7) at a first pressure, the nitrogen is compressed in at least two stages (c1, c2) of a nitrogen compressor and sent to a combustion chamber (25) at a second pressure, which is the output pressure of the last stage (c3) of the nitrogen compressor, between two stages of the nitrogen compressor the nitrogen is humidified by direct contact in passing through a contactor (17) supplied at its top with water, and the humidified nitrogen is compressed in at least one stage of the nitrogen compressor and sent to the combustion chamber.. .
|Gas turbine power plant with exhaust gas recirculation|
What is described is a method for operating a gas turbine power plant, in which fresh air is delivered to a compressor inlet and is accelerated in the compressor inlet and a recirculated first exhaust gas substream is delivered into a region of the compressor inlet in which the fresh air is accelerated to an extent such that the difference between total pressure and static pressure in the fresh air is greater than or equal to a pressure difference which is required in order to suck a target mass flow of the recirculated first exhaust gas substream into the compressor inlet. What is described, further, is a gas turbine power plant with a gas turbine, the compressor inlet of which is divided into two sectors which the flow duct of the compressor adjoins, a feeder for fresh air being connected to the first sector and a recirculation line for recirculating the first exhaust gas substream being connected to the second sector, and the second sector reaching so close to the compressor that, when the gas turbine is in operation, the static pressure at the outlet of the second sector is so low that the difference between total pressure and static pressure is greater than or equal to a pressure difference which is required in order to suck a target mass flow of the recirculated first exhaust gas substream into the compressor inlet..
|Method of operating a gas turbine power plant with exhaust gas recirculation and corresponding gas turbine power plant|
The invention relates, further, to a gas turbine power plant with a gas turbine having a compressor inlet which is followed by the flow duct of the compressor and which is divided into an inner sector and an outer sector, a feed for an oxygen-reduced gas being connected to the inner sector of the compressor inlet, and a fresh air feed being connected to the outer sector of the compressor inlet.. .
|Energy storage apparatus for the preheating of feed water|
An energy storage apparatus for the storage of thermal energy is provided, with a charging circuit, having a compressor, a heat store and an expansion turbine, the compressor connected on the outlet side to the inlet of the expansion turbine via a first line for a first working gas, and the heat store inserted into a second line, and the first line connected to a first heat exchanger, in which the first line and the second line are coupled thermally, and, furthermore, having a discharge circuit which has a water/steam circuit equipped with a steam generator and which has at least one feed water preheater preceding the steam generator with respect to the direction of flow of the water in this water/steam circuit, and thermal coupling between the charging circuit and discharge circuit achieved by the feed water preheater, in particular achieved solely by the feed water preheater.. .
|Solar thermal power generation facility and method of starting up same|
A solar thermal power generation facility is provided with turbine bypass piping (74) which makes some of compressed air from a compressor (10) bypass a turbine (20), a turbine bypass valve (75) which adjusts the flow rate of the compressed air flowing through the turbine bypass piping (74), and a control device (80) which controls the rotational torque of a turbine rotor (21) by opening the turbine bypass valve (75) before a rotor rotational speed reaches a rated rotational speed in a speeding-up process of the rotor rotational speed by a start-up device (60) and adjusting the flow rate of the compressed air that is made to bypass, by the turbine bypass valve (75). The control device (80) instantaneously fully closes the turbine bypass valve (75) at the time of incorporation in which a power generator (50) is connected to an electric power system (s)..
|Gas turbine plant having exhaust gas recirculation|
The invention relates to a gas turbine plant, including a gas turbine device, which has a compressor and at least one burner and at least one gas turbine, a waste heat boiler assembly, which has a boiler inlet side connected to a turbine outlet and a first boiler outlet connected to a flue and a second boiler outlet, and an exhaust gas recirculation, which connects the second boiler outlet to a compressor inlet. A simplified structure can be achieved in that the waste heat boiler assembly has a first boiler exhaust gas path, which is connected to the boiler inlet side and leads to the first boiler outlet, and that the waste heat boiler assembly has a second boiler exhaust gas path, which is connected to the boiler inlet side and leads to the second boiler outlet separately from the first boiler exhaust gas path..
An air conditioner capable of achieving both user comfort and power reduction is provided. The air conditioner includes a mean room temperature sensing mechanism 13 for sensing the mean room temperature of an indoor space, a normal target pressure memory 14 storing a normal target pressure set to a target value during normal control operation of a compressor controller and related with the outdoor temperature and air-conditioning load of the indoor space, a normal temperature difference computation unit 15 for calculating a temperature difference between a normal saturation temperature corresponding to the normal target pressure and the mean room temperature as a normal temperature difference, and a power reduction temperature difference computation unit 16 for calculating a power reduction temperature difference reduced from the normal temperature difference on the basis of a target power consumption decrement with respect to power consumption during normal control of the air conditioner, a compressor controller 18 is configured to control a compressor 5 by changing a power reduction target pressure, which is a saturation pressure corresponding to a power reduction saturation temperature calculated on the basis of the mean room temperature and the power reduction temperature difference, to the target value..
|High pressure compressor lubrication|
A lubricant composition for lubricating a high pressure compressor, the composition comprising a fischer-tropsch derived base oil and a polymeric thickener. Use in high pressure compressors, especially hyper compressors is described, as are high pressure olefin methods..
|Combination pharmaceutical compositions and uses thereof|
The present invention provides for methods and pharmaceutical compositions for treating proliferative disorders. In one aspect, the method comprises administration of two cell-cycle suppressors having a synergistic effect.
|Motor cooling blower and containment structure|
A cabin air compressor assembly that include a cabin air compressor disposed at a compressor inlet and a cabin air compressor motor operably connected to the cabin air compressor. At least one cooling flow inlet is configured to direct a cooling flow through various pathways in the cabin air compressor assembly, including across the cabin air compressor motor.