Class / Patent application number | Description | Number of patent applications / Date published |
029888020 | Fluid pump or compressor making | 87 |
20080250639 | THERMOPNEUMATIC CAPILLARY MICROPUMP AND MANUFACTURING METHOD THEREOF - According to various aspects, exemplary embodiments are provided of thermopneumatic capillary micropumps and manufacturing methods thereof. In one exemplary embodiment, a thermopneumatic capillary micropump generally includes a lower substrate having a pump-entrance for injecting fluids and a pump-exit for exhausting the fluids. The micropump also includes one or more micro-heaters for generating heat and electrodes for applying voltage to the micro-heaters. One or more air chambers substantially cover the micro-heaters. A pump chamber unit, which is capable of being filled up with the fluids, is coupled to the air chambers, the pump-entrance, and the pump-exit. An airing channel is coupled to the air chambers for helping maintain the pressure of the air in the air chambers at about the same level. An oxide layer is deposited on an upper substrate of the micropump. The upper and lower substrates are thermopneumatically coupled to each other. | 10-16-2008 |
20090038150 | METHOD FOR PRODUCING COMPRESSOR, AND COMPRESSOR - A method for producing a compressor comprises an aligning step and a welding step. The compressor includes a casing and an inside part that is housed in the casing. The casing includes a first portion on its inner surface, and the inside part includes a second portion. The second portion faces the first portion. In the aligning step, the first portion and the second portion are caused to face each other. In the laser welding step, laser light is applied to at least part of the portion where the first portion and the second portion face each other, whereby the casing and the inside part are laser-welded together. | 02-12-2009 |
20090064499 | METHOD AND BLANK FOR MANUFACTURING A COMPRESSOR BLOCK OF A SMALL-TYPE REFRIGERATION APPLIANCE, PARTICULARLY FOR A HERMETICALLY ENCLOSED REFRIGERANT COMPRESSOR ARRANGEMENT - The invention concerns a method and a blank ( | 03-12-2009 |
20090090005 | CERAMIC COMPOSITE WITH INTEGRATED COMPLIANCE/WEAR LAYER - The integral layer provides a ductile interface for attachment locations of a turbine engine component where a metallic surface is adjacent the attachment location. The ductile layer provides a favorable load distribution through the composite at the attachment location, and eliminates the need for a metallic shim. | 04-09-2009 |
20090320283 | SUCTION FILTER, TURBO COMPRESSOR, AND METHOD FOR COMPACT ASSEMBLING OF THE SAME - A casing provided centrally with a sealed structure chamber. Small-sized separate four filter elements are arranged each on opposite sides of the chamber such that inflow air from a suction section into the casing is introduced via the filter elements into the chamber. Each filter element is detachably fitted over a filter-element mount having openings at its outer periphery. Upon filter-element replacement, the filter elements are replaced individually by opening a window. An integral cast casing having compressing sections and compressed air passages integrally fabricated therewith by casting is formed with receptacles for first and second intercoolers and an aftercooler. The intercoolers and aftercooler are received in the receptacles. Outlets of the intercoolers are connected with suction sides of second- and third-stage compressors through second- and third-stage suction pipes, respectively. A blowoff silencer is arranged between the integral cast casing and an oil tank. | 12-31-2009 |
20100005655 | TUBING INSTALLATION TOOL FOR A PERISTALTIC PUMP AND METHODS OF USE - A peristaltic pump is provided that can comprise a safety switch in order to control an operational parameter of the pump in response to a state of the pump. Additionally, methods are provided for maintaining and replacing tubing of the pump. A tubing installation tool is also provided for handling industrial tubing during installation or removal of the tubing from a pump. | 01-14-2010 |
20100126012 | Method and Device For Assembling Swash Plate-Type Fluid Machine - It is an object of the present invention to make it possible to automatically assemble a shaft assembly of a swash plate-type fluid machine regardless of whether or not there is a center hole formed in each of end surfaces of each of pistons. By using an assembly device (A | 05-27-2010 |
20100212156 | Pressure Driven System - A pressure driven pumping system includes a piston disposed within a first bore of a housing to separate a process chamber from a working chamber. A rod member coupled to the separating member extends into a reduced pressure chamber. The piston has a first face exposed to the process chamber and a second face exposed to the working chamber. The second face has an effective area less than an effective area of the first face. The housing may be placed in seawater at a selected depth. The process chamber can be in fluid communication with a well to pass well fluid into the process chamber at well pressure to move the piston, to discharge seawater from the seawater chamber. The working fluid, typically seawater in a subsea application, is pumped into the working chamber to move the piston, which discharges well fluid from the process chamber. | 08-26-2010 |
20100287771 | Method for manufacturing electric fuel pump - A fuel pump includes a case member defining a fuel passage, an inlet, and an outlet. A pump portion is provided in the fuel passage for pumping fuel from the inlet to the outlet. A motor portion is provided in the case member for driving the pump portion. A positive electrode terminal and a negative electrode terminal are provided for conducting electricity to the motor portion. A holder being insulative is provided inside the case member. The holder is mounted with the positive electrode terminal and the negative electrode terminal. The positive electrode terminal and the negative electrode terminal are resin-molded. | 11-18-2010 |
20110030213 | HYDRAULIC INSTALLATION TOOL FOR PUMP PLUNGER - A hydraulic plunger installation tool that exerts a hydraulic force on a plunger for a reciprocating pump to install the plunger into a pump cylinder opening. Maintenance of the pump typically includes repacking of the packing that surrounds the plunger and revalving of the pump's inlet and outlet valve. To allow repacking or revalving, the pump is disassembled and the plunger is removed. The hydraulic plunger installation tool is located at the pump cylinder on an upward facing nest with legs that provide a reaction point for a hydraulically actuated piston rod that is driven at one end by a hydraulic piston and engages the plunger at an opposite end during installation to push the plunger into the cylinder opening without the use of hammers by personnel. | 02-10-2011 |
20110094100 | ROTOR CONTAINMENT ELEMENT WITH FRANGIBLE CONNECTIONS - A containment system for containing fragments of a burst rotor including first and second means for frangibly connecting a containment element to first and second walls, the first and second means rupturing upon being subjected to a load mainly produced by a translational motion of at least one fragment impacting the element. | 04-28-2011 |
20110146073 | COMPRESSOR HAVING SHELL WITH ALIGNMENT FEATURES - A method includes forming a sheet of material having first, second, third, and fourth ends. The third and fourth ends extend longitudinally between the first and second ends. First and second protrusions are formed at the first end. The first and second protrusions extend longitudinally outwardly from an edge of the first end. The third and fourth ends are coupled to one another to create a longitudinally extending compressor shell having a stepped region at the edge of the first end where the third and fourth ends meet. | 06-23-2011 |
20110271527 | CONTROLLED THICKNESS RESILIENT MATERIAL LINED STATOR AND METHOD OF FORMING - The present invention relates to a resilient material lined stator and method of forming. A method of forming a resilient material lined stator can include disposing a resilient material tube | 11-10-2011 |
20120079719 | Method for Improving Accuracy in a Peristaltic Pump System Based on Tubing Material Properties - A method for forming peristaltic pump cassettes includes cutting tubing segments to different lengths based on the physical properties of the individual tubing segments. The size variations compensate for the physical parameters of the tube and improve accuracy in a peristaltic pump using the cassettes. | 04-05-2012 |
20120102737 | METHOD OF MAKING A TURBOCHARGER HOUSING - In a method of making a turbocharger housing surfaces of a sheet-metal shell which bound a gap towards the turbine wheel are measured, after the sheet-metal shell has been joined with a bearing flange provided for support of a turbine wheel, to generate measuring values. Subsequently, the bearing flange is machined in dependence on the measuring values for establishing a position of the turbine wheel in relation to the bearing shell and thus of the sheet-metal shell. | 05-03-2012 |
20120192419 | FLUID PUMPING DEVICE AND COMPONENTS WITH STATIC SEAL - A static seal structure for a pump housing includes a support structure, a first sealing element, and a second sealing element. The support structure circumscribes a pump chamber and includes a first sealing surface, an opposing second sealing surface, and a fluid transfer end interposed between the sealing surfaces. The support structure provides a fluid flow path running through the fluid transfer end and into the pump chamber via an inlet bore and from the pump chamber back through the fluid transfer end via an outlet bore. The first sealing element is disposed on the first sealing surface, and the second sealing element is disposed on the second sealing surface. The sealing elements are configured for forming sealing interfaces in the pump housing, establishing a static seal that isolates the pump chamber from an environment external to the fluid pump housing. | 08-02-2012 |
20120210577 | METHOD AND DEVICE FOR ASSEMBLING SWASH PLATE-TYPE FLUID MACHINE - An assembly device includes a shaft assembly having a plurality of pistons installed on an outer peripheral portion of a swash plate via shoes. The assembly device has a shaft support portion which supports a shaft having the swash plate in a vertical axis posture, a guide member, a shoe incorporation mechanism, a carriage which conveys the plurality of pistons in the vertical axis posture, and a piston holding portion which holds the plurality of pistons. The guide member is equipped with a first guide surface and a second guide surface. | 08-23-2012 |
20130000119 | MEMS DEVICE AND METHOD FOR DELIVERY OF THERAPEUTIC AGENTS - Embodiments of an implantable device for delivering a therapeutic agent to a patient include a reservoir configured to contain a liquid comprising the therapeutic agent, and a cannula in fluid communication with the reservoir. The cannula is shaped to facilitate insertion thereof into a patient's eyeball. | 01-03-2013 |
20130055568 | METHOD AND DEVICE FOR PRODUCING A COMPONENT - A method for manufacturing a component, in particular a component of a turbine or a compressor, in which at least these steps are carried out: application in layers of at least one powdered component material to a component platform in the area of a buildup and joining zone; melting and/or sintering locally in layers of the component material by supplying energy with the aid of at least one electron beam in the area of the buildup and joining zone; lowering of the component platform in layers by a predefined layer thickness; and repeating steps a) through c) until completion of the component. During the manufacturing, electrons emitted due to the interaction of the electron beam with the component material are detected, after which material information, characterizing the topography of the melted and/or sintered component material, is ascertained on the basis of the emitted electrons. Alternatively or additionally, the component material is melted and/or sintered by at least two, preferably at least four electron beams. | 03-07-2013 |
20130167374 | PROCESS OF PRODUCING CERAMIC MATRIX COMPOSITES AND CERAMIC MATRIX COMPOSITES FORMED THEREBY - A process for producing a silicon-containing CMC article. The process entails depositing one or more coating layers on silicon carbide (SiC) fibers, drawing the coated SiC fibers through a slurry to produce slurry-coated fiber material, and then processing the slurry-coated SiC fiber material to form unidirectional prepreg tapes. The tapes are stacked and then fired to yield a porous preform. The porous preform is then further densified by infiltrating the porosity therein to yield a CMC article. Infiltration can be achieved by a series of polymer infiltration and pyrolysis (PIP) steps, by melt infiltration (MI) after filling the porosity in the preform with carbon or one or more refractory metal, by chemical vapor infiltration (CVI), or by a combination of these infiltration techniques. | 07-04-2013 |
20130232789 | THREADED ROD PLUNGER INSTALLATION TOOL - A plunger installation tool that exerts a force on a plunger for a reciprocating pump to install the plunger into a pump cylinder opening. Maintenance of the pump typically includes repacking of the packing that surrounds the plunger and revalving of the pump's inlet and outlet valve. To allow repacking or revalving, the pump is disassembled and the plunger is removed. The plunger installation tool threads onto the pump cylinder opening to provide a reaction point for a threaded rod that is driven at one end by a driver and engages the plunger at an opposite end during installation to push the plunger into the cylinder opening without the use of hammers by personnel. | 09-12-2013 |
20130247376 | TWO-PIECE, INTERNAL-CHANNEL OSMOTIC DELIVERY SYSTEM FLOW MODULATOR - An osmotic delivery system flow modulator includes an outer shell constructed and arranged for positioning in an opening, an inner core inserted in the outer shell, and a fluid channel having a spiral shape defined between the outer shell and the inner core. The fluid channel is adapted for delivery of an active agent formulation from the reservoir of the osmotic delivery system. | 09-26-2013 |
20130269186 | METHOD AND DEVICE FOR ASSEMBLING SWASH PLATE-TYPE FLUID MACHINE - A method of assembling a shaft assembly having a plurality of pistons each installed on a swash plate via a pair of shoes matching with both end surfaces of the swash plate, respectively. The method includes: supporting a shaft having the swash plate in a vertical axis posture; incorporating the shoes between a first guide surface of a guide member and each of the pistons and between a second guide surface of the guide member and that piston, respectively; guiding the plurality of pistons to the swash plate in the vertical axis posture using the guide member; and matching the shoes with both the end surfaces of the swash plate respectively while disposing the pistons at circumferentially equidistant positions of the swash plate, respectively. | 10-17-2013 |
20140041221 | METHOD FOR DETECTING AN ERROR IN THE INSTALLATION OF A SEAL IN A MASTER CYLINDER - A method is described for detecting an incorrectly installed seal in a master-cylinder having a seal. The master cylinder is subjected to a pressure comprised between approximately 0.3 and 0.6 MPa at the conclusion of master-cylinder assembly and, if there is a drop in the pressure, the seal is considered to have been installed in reverse in the groove of the master cylinder. | 02-13-2014 |
20140109405 | METHOD OF ASSEMBLYING A SEGMENTED VEIN AIR PUMP IN A TIRE - A method of assembling an air pump in a tire is provided including: opening an axial air passageway of an elongate flexible air tube at one end; inserting one by one a plurality of one-way check valves into the air passageway from the one end to form an axial array of spaced apart check valves along the air passageway, each check valve having an external nominal width greater than a nominal width of the air tube passageway; establishing a press fit engagement between each check valve and air tube internal sidewalls defining the air passageway to place each check valve at a respective preferred position within the air passageway; retaining the check valves in the respective preferred positions within the air passageway by radial pressure from the air tube internal sidewalls and closing the one end of the flexible air tube. | 04-24-2014 |
20140165397 | TURBINE TRANSITION PIECE (TP) APPARATUS AND METHOD - Various embodiments include an apparatus for installing or removing a transition piece (TP) in a gas turbine. The apparatus can include: a control arm assembly sized to rest within an opening in the gas turbine; a guide system coupled to the control arm assembly, the guide system for transporting the TP within the opening in the gas turbine; and a counter balance coupled to the guide system, the counter balance for countering weight of the TP during the installing or the removing of the TP in the gas turbine. | 06-19-2014 |
20140215821 | SWASH PLATE OF A SWASH PLATE TYPE COMPRESSOR AND THE SWASH PLATE TYPE COMPRESSOR - A swash plate fulfils the basic properties required for a swash plate, which are stable boundary lubricating state by lubricating oil, without forming a metal spray coating layer comprising a copper type or aluminum type material on the surface of a substrate | 08-07-2014 |
20150007435 | BUNDLE GUIDING DEVICE OF COMPRESSOR AND BUNDLE GUIDING METHOD OF COMPRESSOR - The invention includes an inner roller that is mounted on a front portion of the bundle | 01-08-2015 |
20150040393 | MANUFACTURING METHOD FOR EXHAUST DIFFUSER SHELL WITH STRUT SHIELD COLLAR AND JOINT FLANGE - Manufacture of a gas turbine exhaust diffuser shell ( | 02-12-2015 |
20150082631 | Design and Method for Assembling a Bent-Axis Pump/Motor - A rotating group of a bent-axis axial piston pump/motor is assembled as a subassembly with a removable stabilizing component that holds together and compresses the subassembly while it is outside of the pump/motor case. A yoke that carries a permanent or attachable back plate is installed in the case and positioned aside to allow clearance for installation of the rotating group. After the rotating group is installed, the yoke is moved back into proximity with the barrel, the stabilizing component is removed, and the remaining connections are completed. | 03-26-2015 |
20150107105 | MANUFACTURING METHOD FOR FUEL PUMP - A stator has ribs, which are configured to make contact with an inner wall of a housing when accommodated in the housing. In a deformation process, force is applied from a radially outside to first portions of the housing to elastically deform the housing. In an insertion process subsequent to the deformation process, the stator is inserted into the housing, such that the ribs are enabled to make contact with second portions of the housing, which are elastically deformed radially outward. In an affixation process subsequent to the insertion process, application of the force is released to cause the ribs to make contact with an inner wall of the housing. | 04-23-2015 |
20150121695 | METHOD AND DEVICE FOR ASSEMBLING SWASH PLATE-TYPE FLUID MACHINE - A method of assembling a swash plate-type fluid machine, comprising: bringing, with each of a plurality of pistons suspended by a swash plate, a shaft assembly in a vertical axis posture and a cylinder block close to each other to insert each of the pistons into a corresponding one of cylinder bores, in incorporating the shaft assembly, which has the plurality of pistons each installed on the swash plate via a pair of shoes matching with both end surfaces of the swash plate, respectively, into the cylinder block. | 05-07-2015 |
20150128415 | WATER PUMP BEARING WITH INTEGRATED MECHANICAL SEAL - An integrated shaft bearing assembly is provided having a housing with at least one bearing located in the housing that supports a shaft that extends through the housing. A vent ring is located at one axial end of the housing, with the vent ring having a radial flange that extends toward the shaft. A face seal assembly including a seal support ring is fixed on the shaft. The face seal assembly includes a bellows spring connected to the seal support ring, a face seal carrier connected to the bellows spring, with the face seal carrier supporting a face seal against the face of the radial flange. Here the vent ring is integrated with the integrated shaft bearing and provides a surface for the mechanical seal as well as venting to avoid pressure build up in a region of the mechanical seal between the mechanical seal and the bearing. | 05-14-2015 |
20150143695 | Removal of Liquid from Airfoil of Equipment Having Gas-Liquid Flows - A method of removing liquid from the surface of an airfoil of equipment that handles a wet gas mixture. The airfoil has at least one interior passage, such as a bore, for travel of air or other gas through the interior of the airfoil. A series of holes are cross drilled from one or both exterior surfaces of the airfoil to the passage. Forced air or other gas is introduced into the passage such that the air or other gas is expelled to the surface of the airfoil via the holes, thereby removing the surface liquid. | 05-28-2015 |
20160040668 | SHAFT SEAL FOR AN OPEN-DRIVE COMPRESSOR - Devices and methods for maintaining lubrication of a shaft seal of an open-drive compressor that is operating in a vacuum condition. The external side of the shaft seal allows retention of a volume of lubricant for extending the lifespan of the shaft seal for the open-drive compressor. The devices can also reduce and/or prevent deterioration of the shaft seal regardless of the operation condition of the open-drive compressor. The devices can further reduce and/or prevent leakage of a lubricant and/or refrigerant that can cause deterioration of components within a transport refrigeration unit (TRU). | 02-11-2016 |
20160089718 | PUMP STRUCTURE FOR USE IN TRANSFER CHAMBER - The invention relates to systems for transferring molten metal from one structure to another. Aspects of the invention include a transfer chamber constructed inside of or next to a vessel used to retain molten metal. The transfer chamber is in fluid communication with the vessel so molten metal from the vessel can enter the transfer chamber. A powered device, which may be inside of the transfer chamber, moves molten metal upward and out of the transfer chamber and preferably into a structure outside of the vessel, such as another vessel or a launder. | 03-31-2016 |
029888021 | Repairing, converting, servicing or salvaging | 26 |
20090031564 | METHOD OF REPAIRING A SHROUD SEGMENT OF A GAS TURBINE - A method for repairing a shroud segment of a gas turbine, in particular of an aircraft engine, having the steps: a) provision of a shroud segment to be repaired; b) removal of a damaged radially inner section of the shroud segment, so that after the removal of the damaged section the shroud segment has an inner radius; c) manufacture of a replacement section for the shroud segment, the replacement section having an outer radius matched to the inner radius of the shroud segment; d) alignment of the replacement section and the shroud segment; and e) joining of the replacement section to the shroud segment, the replacement section and the shroud segment being first welded to one another for this purpose at their edges in gas-tight fashion in a vacuum, and the surfaces of the replacement section and the shroud segment being subsequently diffusion-bonded to one another by hot isostatic pressing. | 02-05-2009 |
20090071002 | Methods for Repairing Gas Turbine Engine Components - Methods for repairing the gas turbine engine components are provided. In this regard, a representative method includes: determining the presence of a previous repair to a component; determining a characteristic of the previous repair using X-ray fluorescence analysis; and repairing the component. | 03-19-2009 |
20090094828 | METHOD AND APPARATUS FOR HOLE CRACK REMOVAL - A method and apparatus for removing cracks on a gas turbine engine component includes mounting a first pivotable tool to a base, mounting a second pivotable tool to the first pivotable tool, and mounting a fixture holding the gas turbine engine component to the second pivotable tool. The first pivotable tool and the second pivotable tool are adjusted to position the gas turbine engine component in a desired orientation. A linear tool is then moved along an axis to machine at least one crack from a surface of the gas turbine engine component. | 04-16-2009 |
20090094829 | Method for ultrasonic peening of gas turbine engine components without engine disassembly - A method for peening a component of a gas turbine engine, or a module of a gas turbine engine, without removing the component from the assembled gas turbine engine or module includes blending the damaged area of the component, determining parameters for peening the damaged component, and peening the damaged component without removing it from the engine. | 04-16-2009 |
20100064514 | Air cycle machine insert and method of repair - The air cycle machine insert and method of repair provides an economical repair of the turbine housing section of an air cycle machine, rather than scrapping the component and replacing with a new section. The toroid shaped insert or liner has a U-shaped cross section, configured to fit closely within the turbine air passage of the air cycle machine. A throat insert is also provided. The existing throat flange extending outwardly over the turbine air passage is removed for installation of the insert. High temperature silicone sealant is preferably placed between the wall of the turbine air passage and the liner, after machining the air passage wall to remove irregularities. The liner is then installed and mechanically secured with one or more rivets, the throat insert is installed to replace the previously removed throat flange, and the repaired turbine housing reassembled with the air cycle machine to complete the repair. | 03-18-2010 |
20100095525 | GAS TURBINE COMBUSTOR REPAIR USING A MAKE-UP RING - A method of repairing a one-piece annular combustor of a gas turbine engine includes cutting through the combustor liner to separate the combustor into two pieces, repairing the combustor as desired, and then closing the combustor by using a make-up ring, which may be welded in place between the two pieces of the combustor. The make-up ring may be provided with an axial length selected such that an overall length of the combustor after the repair process is substantially equal to an initial overall length of the combustor before the repair. | 04-22-2010 |
20100126013 | MAINTENANCE METHOD OF A GAS TURBINE UNIT AND GAS TURBINE UNIT - A maintenance method of a gas turbine unit, having a first stator element provided with first connecting holes contemplates replacing a second stator element, provided with second connecting holes and connected to the first stator element by means of coupling pins insertable into the first and the second connecting holes, with a third spare stator element provided with third connecting holes; and coupling the first stator element to the third spare stator element by means of eccentric coupling pins and eccentric bushes, each of which is selectively insertable in the first and the third connecting holes. | 05-27-2010 |
20100242279 | Method and apparatus for jet pump restrainer assembly repair - A method and apparatus for repairing and/or preventatively maintaining a jet pump restrainer assembly used in a Boiling Water Reactor (BWR), the repair including attaching a bearing plate or plates to a horizontal surface of a jet pump restrainer assembly bracket, the bearing plate or plates acting to supplement and/or replace an existing contact surface between a mixer wedge and the jet pump restrainer assembly bracket of a jet pump restrainer assembly. | 09-30-2010 |
20100325888 | CARRIER FOR PLUNGER DURING DISASSEMBLY - A carrier that holds a plunger for a reciprocating pump during maintenance. Maintenance of the pump typically includes repacking of the packing that surrounds the plunger and revalving of the pump's inlet and outlet valve. To allow repacking or revalving, the pump is disassembled and the plunger is removed. The carrier mates with the pump to hold and support weight of the plunger during disassembly, allowing one person to perform pump revalving and repacking. | 12-30-2010 |
20110000084 | Method for repairing a sealing segment of a gas turbine - A method for repairing a sealing segment of a gas turbine is provided. The sealing segment includes a radially outer holding portion for a radially inner abradable portion. The method includes the steps of providing a sealing segment to be repaired; removing a damaged, radially inner abradable portion of the sealing segment along a circumferentially extending parting plane, such that the abradable portion is completely removed from the holding portion; making a replacement part for the separated abradable portion of the sealing segment; and joining the replacement part to the holding portion of the sealing segment. | 01-06-2011 |
20110094101 | MOBILE DRIP SYSTEM - A mobile drip irrigation system that includes a supply pipe connected at one end to a liquid source and extending therefrom. At least one tower supports the supply pipe above the ground, and includes a driver for moving the tower and supply pipe in a desired direction. A plurality of ports are positioned along the supply pipe. The system includes a plurality of vertically oriented drop line assemblies. Each drop line assembly has an upper end connected to one of the plurality of ports, and a lower end spaced above the ground. A horizontal liquid distribution system is fluidly connected to the plurality of drop line assemblies to allow a horizontally uniformly spaced drip of the liquid at a desired distance from the ground. | 04-28-2011 |
20110179644 | System for protecting bearings and seals of refrigerant compressor - To protect the bearings, lubricant and seals of a refrigerant compressor, the compressor includes one or more inductors for mitigating a high frequency common mode current that produces a high frequency shaft voltage. Each inductor is a ring of magnetic material encircling three insulated cables that convey three-phase power from an adjustable frequency drive to the compressor's motor. Without the inductors, the high frequency shaft voltage can become damagingly high due to the length of a cast iron housing that can be particularly long if the housing contains both a motor and several centrifugal impellers. The high frequency shaft voltage is just one component of a composite adverse shaft voltage. Another component, known as an operationally induced shaft voltage, can be reduced by a grounding contact, so instead of using just an inductor or just a contact, both can be used to provide a total solution to the problem. | 07-28-2011 |
20110185570 | SYSTEM FOR RESTORING TURBINE VANE ATTACHMENT SYSTEMS IN A TURBINE ENGINE - A system and method for repairing turbine vane attachment systems in a turbine engine. In at least one embodiment, the invention may be directed to a system and method for repairing wear on a diaphragm hook fit configured to attach diaphragm airfoils, such as stationary turbine vanes, to a combustion turbine case. The restoration system may be formed from a carriage assembly having an assortment of material processing implements usable to build up material in the worn locations of the turbine vane attachment system to reestablish a diaphragm hook fit within the specified tolerances. The restoration system may be configured so that the restoration process may occur without removing a rotor assembly, which can reduce the repair time by about two weeks. Thus, use of the restoration system can result in a significant time and cost savings. | 08-04-2011 |
20120144671 | GAS COMPRESSOR WITH PULSATION ABSORBER FOR REDUCING CYLINDER NOZZLE RESONANT PULSATION - A method for reducing pulsation effects associated with the compressor nozzle of a positive displacement compressor system. A pulsation absorber, having a design like that of a side branch absorber, is installed on the cylinder valve cap or on the cylinder nozzle. The acoustic dimensions and placement of the pulsation absorber are designed to reduce the amplitude of the pulsations associated with the peak resonant frequency of the compressor nozzle response. | 06-14-2012 |
20120255173 | METHOD FOR RETROFITTING A FOSSIL-FUELED POWER STATION WITH A CARBON DIOXIDE SEPARATION DEVICE - A method for retrofitting a fossil-fueled power station having a multiple-casing steam turbine with a carbon dioxide separation device is provided. The maximum flow rate of the steam turbine is adjusted to the process steam that is to be removed for the operation of the carbon dioxide separation device and the carbon dioxide separation device is connected via a steam line to an overflow line that connects two steam turbine casings. | 10-11-2012 |
20130019473 | REPAIR OF COATED TURBINE VANES INSTALLED IN MODULE - A method of repairing a damaged coated vane from a turbine module without removing the vane from the module is taught. The method includes locally removing the coating in the vicinity of the damage as well as any underlying damage in the superalloy substrate. A diffusible coating precursor is then applied to the damage site. A heat treating fixture is then mounted on the vane and repair site is heated to up to 2000° F. in an inert environment to interdiffuse the coating precursor and the substrate. After the diffusion anneal, the vane is cleaned and the module is returned to service. | 01-24-2013 |
20130160291 | METHOD OF SERVICING A GAS TURBINE ENGINE - A gas turbine engine 10 is provided with rigid raft assemblies 290, which may be electrical harness raft assemblies 290 comprising electrical conductors embedded in a rigid composite material. The rigid raft assemblies 290 can be provided with engine dressings, such as pipework and ECUs to produce an electrical raft assembly. In order to assemble or dress the gas turbine engine 10, the rigid raft assemblies can be pre-prepared to incorporate at least a part of at least one gas turbine engine system/component before being installed on the gas turbine engine 10. During maintenance, whole raft assemblies can be removed and replaced with corresponding, pre-prepared assemblies. This can save considerable time during engine build and maintenance. | 06-27-2013 |
20130326876 | METHOD FOR REPAIRING COMPRESSOR OR TURBINE DRUMS - During the repair of welded two-stage or multi-stage compressor or turbine drums, which after welding are machined in the weld area down to a height A, a first material coating with a height B extending on both sides from the root face is applied to the machined weld area, and a second and lesser material coating is applied by laser welding to the area of plasma pockets formed on the intact rotor disk, with the sum of the heights A and B corresponding to an original height C in the weld area prior to its final machining. Then the defective rotor disk is detached in the root face and through the middle of the first material coating, and after that a new rotor disk already validated in the new construction with the root face validated in the new construction is welded on using appropriate welding parameters, and the weld area is machined, in line with the parameters already used for the new construction, down to the original height A. It is thus possible to provide repaired compressor or turbine drums matching the original component at low expense. | 12-12-2013 |
20140026414 | METHOD AND SYSTEM FOR ASSEMBLING AND DISASSEMBLING TURBOMACHINES - A method and system adapted for removing one or more shells from an assembly of multiple annular shells, for example, turbine shells of a gas turbine engine. The method includes removing an upper shell positioned in an upper position relative to a lower shell of the assembly of multiple annular shells, and then positioning and securing a counterweight in the upper position and securing the counterweight to the lower shell as a replacement for the upper shell in the upper position. The counterweight and the lower shell are then rotated in unison until the lower shell is in the upper position and the counterweight is in a lower position previously occupied by the lower shell. Thereafter, the lower shell can be removed from the assembly. | 01-30-2014 |
20140053403 | METHOD FOR EXTENDING AN ORIGINAL SERVICE LIFE OF GAS TURBINE COMPONENTS - A method for extending a service life of a gas turbine component includes identifying the service life for the component and comparing a characteristic of the component to a predetermined departure parameter. The method further includes refurbishing the component to a predetermined specification if the characteristic of the component satisfies the predetermined departure parameter and establishing an extended service life for the component. | 02-27-2014 |
20140053404 | SUCKER ROD - The disclosure relates to the treatment of rods made of metal, particularly to the method of reclamation of used standard length rods, such as pump rods already used in the mechanical deep-pumping extraction of oil, as well as to the product made with the help of the mentioned method. The method of remanufacturing of standard length rods includes the reheating of the rod body to a temperature favorable for the plastic treatment of the rod such as plastic deformation of the rod body under pressure. Such methods allow for the reclamation of rods of the desired geometric form and enhancement of the mechanical properties of the remanufactured rod. The technical outcome of the claimed invention consists in the reclamation of rods of the desired geometric form and enhancement of the mechanical properties of the remanufactured rod. | 02-27-2014 |
20140109406 | JET PUMP DIFFUSER STACK REPAIR - A method of repairing a slip joint on a jet pump assembly between an inlet mixer and a diffuser, with the diffuser having an opening that receives the inlet mixer with a given spacing between an outside diameter of the inlet mixer and an inside diameter of the opening in the diffuser forming an annulus whose spacing is a product of manufacture and vibration wear. The method comprises the steps of remotely accessing the annulus and narrowing a radial dimension of the annulus. | 04-24-2014 |
20140150261 | TRIP CUP FOR OVERSPEED CONTROL - Methods for retrofitting a turbomachine are provided. A first trip cup of the turbomachine may be replaced with a second trip cup. The first trip cup may include a throw-out arm connected to a first trip cup spring. The second trip cup may include a plunger disposed in a hole defined by the second trip cup and a plunger spring encircling the plunger in the hole. The first trip cup may be removed from the turbomachine and the second trip cup installed such that a location of the plunger in the turbomachine is the same as a location of the throw-out arm in the turbomachine when the first trip cup was installed on the turbomachine. The tension in the plunger spring may be adjusted such that, when a speed of the turbomachine exceeds a predetermined value, the plunger actuates a trip paddle located adjacent the second trip cup. | 06-05-2014 |
20150059176 | FLUID PRODUCT DISPENSER - A method of maintaining a fluid dispenser that includes a housing holding an assembly, including a liquid reservoir, a pump for dispensing the fluid product, and an outlet nozzle includes disconnecting the a compressor portion of the pump and substituting the disconnected compressor by a replacement compressor, wherein the replacement compressor has a different pressurizing volume to the replaced compressor. | 03-05-2015 |
20150369123 | GAS TURBINE ENGINE CONFIGURED FOR MODULAR ASSEMBLY/DISASSEMBLY AND METHOD FOR SAME - A method for assembling and disassembling a module of gas turbine engine is provided, along with a gas turbine engine configured for modular assembly/disassembly. The engine includes a first shaft and a second shaft. The first shaft connects a compressor section and a first turbine section. The second shaft is connected to the second turbine section. The first and second shafts are rotatable about the engine rotational axis. The second shaft and the second turbine section together faun a module that can be assembled, or disassembled, or both from the engine. | 12-24-2015 |
20160169450 | INSTALLATION AND MAINTENANCE OF A SUBMERGED CRYOGENIC PUMP | 06-16-2016 |
029888022 | Scroll or peristaltic type | 7 |
20100229386 | POWDER METAL SCROLLS AND SINTER-BRAZING METHODS FOR MAKING THE SAME - Methods of forming scroll compressor components are provided. The methods include forming at least one component of a scroll member from a powder metallurgy technique and joining the component with another distinct component via a sinter-brazing process. For example, a baseplate having a spiral scroll involute is joined to a hub via a joint interface having brazing material to form a braze joint with superior quality. At least one component is formed from a powder metal material including carbon and at least one species that reacts with or binds carbon to prevent migration during brazing of the sinter-brazing heat process. Optionally, during the powder metallurgy process, an alloy with a lower concentration of carbon is selected, which may be incorporated into a crystal structure with the species that prevents carbon migration. | 09-16-2010 |
20110197442 | METHOD AND SYSTEM FOR COMPONENT POSITIONING DURING ASSEMBLY OF SCROLL-TYPE FLUID MACHINE - A positioning system used in assembling a scroll- type fluid machine exerts a horizontal thrust on a stationary scroll in a direction opposite to a direction in which an eccentric shaft end portion formed at one end of a rotary shaft is oriented while turning the rotary shaft, and determines an orbital path of the stationary scroll by measuring horizontal displacements thereof. While exerting the horizontal thrust, the positioning system incrementally presses the stationary scroll against a guide frame until a stable orbital path of the stationary scroll is obtained. When the orbital path is judged to be stable, the positioning system determines a fixing point on which the stationary scroll should be fixedly centered with respect to the guide frame, so that a scroll wrap of the stationary scroll and a scroll wrap of an orbiting scroll are correctly intermeshed, forming a series of pockets therebetween. | 08-18-2011 |
20120151767 | MOTOR-COMPRESSOR UNIT MOUNTING ARRANGEMENT FOR COMPRESSORS - A method of assembling a compressor, including assembling, first as a subassembly external of the compressor housing, portions of the motor-compressor unit, including a crankcase, mount brackets, stator, outboard bearing assembly, and drive shaft. Thereafter, the motor-compressor unit subassembly is inserted into a first end of the housing, and the housing is shrink-fit around the subassembly. The mount brackets may then be welded to the interior surface of the housing. Once the mount brackets are welded to the housing, the remainder of the components of the motor-compressor unit, including the orbiting scroll member, the Oldham coupling, and the fixed scroll member, are then assembled to the motor-compressor unit subassembly and the housing through a second end of the housing opposite the first end, followed by welding the top and bottom caps to the housing. | 06-21-2012 |
20120255174 | COMPRESSOR ALIGNMENT METHOD AND DEVICE - A compressor assembly method may include locating a first scroll member on a bearing housing of a compressor having a second scroll member located axially between the first scroll member and the bearing housing. A first outer radial surface on the bearing housing and a second outer radial surface on the first scroll member with an alignment assembly may be engaged to concentrically align the bearing housing and the first scroll member. The first scroll member may be coupled relative to the bearing housing. | 10-11-2012 |
20150121698 | SCROLL ROTOR MOLD, MOLDING DEVICE, AND METHOD FOR MANUFACTURING MOLD - A mold for forging a scroll rotor capable of controlling material flow speed by adjusting a land section, a molding device applying same, and a method for manufacturing the mold. In the mold, a die includes an extrusion unit having a molding space therein and a spiral-shaped extrusion passage provided in the lower portion thereof so as to correspond to a wrap portion disposed in the scroll rotor. A punch is connected to the die to be in close contact with the inner circumference of the molding space and to be able to slide up and down. The lower portion has a shape corresponding to the upper surface of the flange portion of the scroll rotor and a boss portion. The extrusion passage has a land section in direct contact with the extrusion material. The length of the land section varies along the spiral direction. | 05-07-2015 |
20150354568 | COMPRESSOR HAVING A LOWER FRAME AND A METHOD OF MANUFACTURING THE SAME - A compressor having a lower frame and a method of manufacturing the same are disclosed. The compressor may include a cylindrical shell, a rotational shaft rotatably mounted in the cylindrical shell, a rotor and a stator that rotates the rotational shaft, a compression device driven by the rotational shaft, a lower bearing configured to rotatably support one side of the rotational shaft, a lower frame configured to support the lower bearing, the lower frame being configured to be press-fitted into a lower end portion of the cylindrical shell, and a base configured to seal the lower end portion of the cylindrical shell. The lower frame may include a main body configured to be press-fitted onto an inner circumferential surface of the cylindrical shell and a flange that extends from the main body, the flange being configured to limit a press-fit depth by contacting the lower end portion of the cylindrical shell. | 12-10-2015 |
20160201670 | Angular Synchronization of Stationary and Orbiting Plate Scroll Blades in a Scroll Pump Using a Metallic Bellows | 07-14-2016 |
029888023 | Screw or gear type, e.g., Moineau type | 3 |
20110203110 | BRAZE OR SOLDER REINFORCED MOINEU STATOR - A Moineau style stator includes a helical reinforcement component that provides an internal helical cavity. A resilient liner is deployed on an inner surface of the helical reinforcement component. The helical reinforcement component includes a solder or braze material and is typically metallurgically bonded to an inner wall of a stator tube. In exemplary embodiments, the helical reinforcement component includes a composite mixture of solder and aggregate. Exemplary embodiments of this invention address the heat build up and subsequent elastomer breakdown in the lobes of prior arts stators by providing a helical reinforcement component. Solder reinforced stators tend to be less expensive to fabricate than reinforced stators of the prior art. | 08-25-2011 |
20120102738 | Method of Making Progressing Cavity Pumping Systems - A progressing cavity rotor facilitates pumping applications in progressing cavity pumping systems by ensuring a desired shape of the rotor. A resilient layer is placed over a rotor core to create a composite progressing cavity pump system rotor. Generally, the rotor core is formed from a harder material, such as a metallic material. Additionally, the composite rotor is placed in a mold and subjected to a molding treatment designed to enhance bonding of the resilient layer and formation of a desired exterior surface shape of the resilient layer. | 05-03-2012 |
20120216401 | NANOCOMPOSITE MOINEAU DEVICE - A Moineau device includes a stator that interfaces to a rotor whereby fluid flows through cavities between the stator and rotor that progress axially as the rotor is rotated relative to the stator. At least one of the stator and the rotor is realized from a nanocomposite that includes a polymeric matrix with carbon nanotubes dispersed therein. | 08-30-2012 |
029888024 | Centrifugal type | 6 |
20090071003 | Retention of Ball Bearing Cartridge for Turbomachinery - An exemplary method for limiting movement of an outer race of a bearing cartridge includes positioning the bearing cartridge in a substantially cylindrical bore having a longitudinal axis, an inner diameter exceeding an outer diameter of the outer race, a proximate end and a distal end; limiting axial movement of the outer race at the distal end of the cylindrical bore with a counterbore substantially coaxial to the cylindrical bore and having an inner diameter less than the outer diameter of the outer race; limiting axial movement of the outer race at the proximate end of the cylindrical bore with a plate positioned substantially orthogonal to the longitudinal axis; and limiting rotation of the outer race with a pin positioned in a pin opening accessible via a lubricant drain. Various exemplary bearing cartridges, housings, assemblies, etc., are also disclosed. | 03-19-2009 |
20110209346 | METHOD OF SETTING PERFORMANCE CHARACTERISTIC OF PUMP AND METHOD OF MANUFACTURING DIFFUSER VANE - To provide a method of setting a performance characteristic of a pump for setting a performance characteristic of a pump, the pump including an impeller that takes in fluid from a suction port and that sends out the fluid toward a discharge port, and a diffuser provided in a flow passage between the impeller and the discharge port, where the diffuser includes a hub arranged in a central portion of the flow passage, a shroud arranged around a periphery of the hub, and a plurality of diffuser vanes radially arranged from an outer peripheral surface of the hub toward an inner peripheral surface of the shroud, and the method includes a mounting-position setting step of setting a mounting position of each of the diffuser vanes to be mounted on the hub according to the performance characteristic of the pump in a direction perpendicular to a radial direction extending from the hub toward the shroud. | 09-01-2011 |
20130180106 | METHOD FOR MANUFACTURING A TURBOCHARGER - A method for manufacturing a turbocharger ( | 07-18-2013 |
20140230244 | Quiet Blower Apparatus and System and Method for Reducing Blower Noise - A blower assembly including a motor, an impeller and a volute that is configured such that an inlet chamber of the volute and an outlet chamber of the volute are divided from one another by an airtight membrane and the membrane is configured to allow the transmission of pressure waves between the inlet and outlet chambers. | 08-21-2014 |
20160003263 | METHOD FOR ASSEMBLING COMPRESSOR, AND BUNDLE GUIDE DEVICE - A method for assembling a compressor comprises: a bundle arrangement step in which a bundle is arranged behind the opening of a casing in the insertion direction; a first insertion step in which the front end of the bundle is inserted into the casing by moving the bundle by means of both an outside traveling device and an intermediate traveling device; and a second insertion step in which the intermediate traveling device is removed from the bundle and the bundle is inserted further inward into the casing by moving the bundle by means of both an inside traveling device and the outside traveling device. | 01-07-2016 |
20160123342 | SYSTEMS AND METHODS TO CLAMP AN IMPELLER TO A COMPRESSOR SHAFT - Systems and methods to clamp an impeller on a shaft in a centrifugal compressor. The embodiments as disclosed herein may include clamping individual impeller independently to the shaft, which may reduce the tolerance stack-up effect of a plurality of impellers. The impeller can be clamped to the shaft by positioning, for example, a relatively stiff support (e.g. a shaft locknut) on a front side of the impeller. The impeller can also be clamped to the shaft by a relatively flexible support to compensate for e.g. thermal expansion/contraction of the impeller. The embodiments as disclosed herein are particularly suitable for a multi-stage impeller. | 05-05-2016 |
029888025 | Vane type or other rotary, e.g., fan | 9 |
20080282541 | COMPRESSOR STATOR VANE - A vane unit system having a plurality of vane units having at least one airfoil projecting from a base is modified by placing a hole in the base and receiving a pin which extends between adjacent bases of vane units. A series of modified bases form a rigid ring of vanes that are less susceptible to vane motion caused by pressure fluctuations within the compressor of a gas turbine. A blade assembly tool having a shape to fit within the slit in a casing that receives the vane units allows for the installation of vane units with interlocking pins without the necessity of having to remove the rotor from the casing. | 11-20-2008 |
20090056124 | METHODS FOR MANUFACTURING PUMP-HEADS HAVING A DESIRED INTERNAL CLEARANCE FOR ROTARY MEMBER - Various methods are disclosed for manufacturing pump-heads having a housing enclosing at least one rotary member. In an exemplary method first and second housing portions are provided that collectively, when assembled, define a pump-cavity that accommodates the rotary member(s). The rotary member(s) is assembled into the pump-cavity, along with at least one soluble spacer of a defined thickness that corresponds to a desired clearance of the rotary member relative to the pump-cavity. The spacer contacts a surface of the rotary member facing a corresponding surface of the housing portion. The first and second housing portions are attached together to form the pump-cavity containing the rotary member(s). The soluble spacer is dissolved to provide the desired clearance of the rotary member in the pump-cavity. As the housing portions are attached together, e.g. by adhesive bonding, the spacer establishes the desired clearance of the rotary member(s) in the pump-cavity. | 03-05-2009 |
20090320285 | EDM MACHINING AND METHOD TO MANUFACTURE A CURVED ROTOR BLADE RETENTION SLOT - A method of machining a curved blade retention slot with electron discharge machining. | 12-31-2009 |
20100071208 | GUIDE TOOL AND METHOD FOR ASSEMBLING RADIALLY LOADED VANE ASSEMBLY OF GAS TURBINE ENGINE - The vane assembly has mating vane support and vane ring, the vane ring having a plurality of annularly interspaced radial loading elements which, when the vane ring is assembled to the vane support, are in a resiliently flexed state and exert corresponding annularly interspaced and outward-oriented radial loads against the vane support, thereby restraining relative radial movement between the vane ring and the vane support during operation of the gas turbine engine. The method includes flexing each of the radial loading elements into the resiliently flexed state simultaneously by sliding the radial loading elements against corresponding lead-in tapers. This can be achieved using a guide tool which includes a plurality of segments bearing the lead-in tapers and which is previously assembled to the vane support. | 03-25-2010 |
20120174400 | SPLIT FAN WHEEL AND SPLIT SHROUD ASSEMBLIES AND METHODS OF MANUFACTURING AND ASSEMBLYING THE SAME - Devices and systems for transporting a material suspended in a fluid, e.g., pulverized coal, that can be assembled about a rotary element are disclosed. The devices and systems comprise a first portion or half of a fan wheel assembly, a second portion or half of a fan wheel assembly, and a plurality of splice plates for connecting the first portion of the fan wheel assembly to the second portion of the fan wheel assembly about the rotary element. Methods of manufacturing and assembling the sectionalized devices and systems are also provided. | 07-12-2012 |
20120285014 | METHOD OF RECYCLING HERMETICALLY ENCAPSULATED ALTERNATIVE COMPRESSORS OF REFRIGERATORS OF SMALL AND MEDIUM POWER RATING AND APPARATUS FOR IMPLEMENTING THE METHOD - Method of recycling hermetically encapsulated alternative compressor units used in household refrigerators and an apparatus for implementing the method. The method includes precise cutting of the envelope of the compressor unit using a cutting device. After the compressor unit has been solidly mounted on a rotatable plate with its axle in vertical position, the base portion of the envelope is titled over at least 90° in such a manner that the oil emulsion and the ozone-damaging gases CFC and HCFC can be drained from the base portion, and can be collected completely and eliminated in a manner that does not damage the environment. | 11-15-2012 |
20130133198 | UNIVERSAL ADJUSTABLE FAN CLUTCH HOLDING TOOL - An adjustable holding tool is provided for servicing a fan clutch assembly removably attached to a shaft of a water pump having a pulley associated therewith. A holding tool is comprised of a first plate holder including a first adjustment leg joined to a first attachment leg having a first longitudinal axis and a first attachment structure. A second plate holder includes a second adjustment leg joined to a second attachment leg having a second longitudinal axis and second attachment structure. The first and second plate holders are slidably connected together to provide a continuous variable spacing between the first and second adjustment legs while maintaining a parallel relationship between the first and second longitudinal axes. | 05-30-2013 |
20140173897 | Anti-Torsion Assembly - An anti-torsion assembly for positioning and securing a thermally conforming liner within a fan containment case is provided. The anti-torsion assembly minimizes the amount of machining that must be done prior to assembly. The anti-torsion assembly comprises a torque block with outwardly-opposing side surfaces and a pair of L-brackets. Each L-bracket has a bracket surface that faces one of the outwardly-opposing side surfaces of the torque block. A wear pad is affixed to each bracket surface. The L-brackets are positioned onto the thermally conforming liner using a spacer having a spacer width within a predetermined tolerance. A method of assembling a fan case assembly is also provided. | 06-26-2014 |
20150107107 | METHOD FOR REMOVING A TURBOFAN ENGINE HEATING DEVICE - A method for removing a twin-spool turbine including a front fan, a HP module with a HP rotor, and a LP turbine module, an intermediate casing including a support bearing for the HP rotor, the HP rotor being retained in the bearing by a link nut, the method including inserting a tool for unscrewing the link nut after having released access to the link nut, and preheating the link nut before starting the unscrewing tool. | 04-23-2015 |