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| Number | Title | Issue Date |
| 8186055 | 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 rota... | 05/29/2012 |
| 7694417 | Installation tool for assembling a rotor blade of a gas turbine engine fan assembly A method enables rotor assembly for a gas turbine engine to be assembled. The method includes providing a plurality of rotor blades that each include a dovetail, providing a rotor disc that includes a plurality of dovetail slots spaced circumferentially about the di... | 04/13/2010 |
| 7414839 | Heat dissipation device having a fan holder for attachment of a fan A heat dissipation device comprises a heat sink, a fan, and a fan holder. The heat sink includes a base and a plurality of fins arranged on the base. The fan includes a frame having an engaging flange at each corner thereof. The fan holder configured for attaching t... | 08/19/2008 |
| 7377746 | Airfoil cooling circuits and method An airfoil is disclosed having at least first and second cast, axially-stacked internal airflow cooling circuits. Each circuit defines multiple air flow passages positioned laterally between a pressure sidewall side and a suction sidewall side of respective ones of ... | 05/27/2008 |
| 7350485 | Engine cooling fan shroud A fan (16) draws air through a core (14) of a radiator (10) to which coolant from coolant passages in an engine (12) rejects heat. A shroud (28) having first and second parts (30, 32) in axial succession channels air that ha... | 04/01/2008 |
| 7300244 | Cooling fan noise reduction apparatus, systems, and methods Apparatus, systems, and methods may operate to distribute acoustic spectral energy associated with a primary blade-passing frequency tonal component of fan noise and with harmonics thereof. The energy may be spectrally distributed by irregularly spacing a plurality ... | 11/27/2007 |
| 7228192 | Method for manufacturing an item According to a first aspect of the present invention, a method is provided for manufacturing an item. The method comprises the steps of creating a build schedule; creating a first portion of the item for manufacture; causing the first portion of the item to pass in ... | 06/05/2007 |
| 7118353 | Fluid transport system and method therefor A reduced pressure or pressurizing pump is provided which can be used in a wide variety of fields of foods, pharmaceuticals, medical treatment, agriculture, healthcare equipment, room air conditioning, combustion, biotechnology, and so on. By the application of the ... | 10/10/2006 |
| 7052247 | Suction muffler for compressors, compressor with the suction muffler, and apparatus having refrigerant circulation circuit including the compressor Disclosed herein are a suction muffler for compressors, a compressor with the suction muffler, and an apparatus having a refrigerant circulation circuit including the compressor. The present invention allows an amount of a refrigerant sucked into a compression chamb... | 05/30/2006 |
| 7030525 | Method for manufacturing motor yoke, motor yoke, and motor A cylindrical portion of a motor yoke has a securing portion to secure a stator core at an axial section except the axial ends of the cylindrical portion. When manufacturing the yoke, at first, a work is prepared that corresponds to the yoke before the securing port... | 04/18/2006 |
| 7013664 | Refrigerant cycling device A refrigerant cycling device is provided, wherein a compressor comprises an electric motor element, a first and a second rotary compression elements in a sealed container. The first and the second rotary compression elements are driven by the electric motor element.... | 03/21/2006 |
| 7011508 | Micro paddle wheel pump for precise pumping, mixing, dispensing, and valving of blood and reagents An apparatus and method for making a microscopic paddle wheel coupled inductively by an external electromagnet and used for valving and active pumping so that the actual pumping mechanism is completely isolated from the electromagnetic driver. The paddle wheel is in... | 03/14/2006 |
| 6892454 | Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit A method for manufacturing a multi-stage compression type rotary compressor which avoids the replacement of parts to be used as much as possible to reduce costs and also which enables easily setting an appropriate displacement volume ratio between first and second r... | 05/17/2005 |
| 6883233 | Fan guide A fan guide including a guide body, a central frame positioned at a central portion of the guide body and having an outer circumferential region, a plurality of motor fixtures formed at the outer circumferential region of the central frame for fixing a motor coupled... | 04/26/2005 |
| 6799956 | Rotary compressor having two-piece separator plate A twin cylinder rotary compressor including first and second cylinders; a crankshaft having first and second eccentrics mounted thereon, the first eccentric disposed within the first cylinder, the second eccentric disposed within the second cylinder; and a separator... | 10/05/2004 |
| 6752608 | Compressor crankshaft with bearing sleeve and assembly method A compressor assembly having a drive shaft supported by a main bearing and an outboard bearing located on opposite axial ends of a cylinder block. The main bearing has a bearing support formed therein in which first and second apertures are defined. The diameter of ... | 06/22/2004 |
| 6705833 | Airflow flapper valve A blower apparatus includes a blower housing having at least one airflow channel. A flexible sheet having at least one flap is coupled to the blower housing such that the flap overlaps the channel to form a one-way valve. A plurality of flaps may be positioned over ... | 03/16/2004 |
| 6651328 | Method for manufacturing sliding parts for hermetic compressor A method for manufacturing a sliding part for a hermetic compressor is disclosed. Since the abrasion resistance and corrosion resistance of the sliding part is increased, the energy consumption efficiency is improved and the performance of the compressor ... | 11/25/2003 |
| 6634876 | Vane pump having a vane guide A vane pump is provided with a side plate, a rotor in which a plurality of vanes capable of being in contact with a cam surface of a cam ring is provided so as to freely slide in a diametrical direction, and a vane guide in which the respective vanes at a... | 10/21/2003 |
| 6494302 | Method, arrangement and use for and of, respectively, a vane damper A vane damper, and a method for making the vane damper is disclosed. A casing including a space for at least one rotable vane divides the space into two parts. The spaces are variable because of the vane which rotates within the space. Further, a number o... | 12/17/2002 |
| 6447274 | Rotary compressor having a cylinder block of sintered metal A rotary compressor of the present invention includes a compression mechanism, motor and hermetically sealed housing. The compression mechanism includes compression elements, a rotary shaft and bearing. The compression elements includes a cylinder block, ... | 09/10/2002 |
| 6412170 | Method of manufacturing a control flap A first sleeve and a second sleeve are put onto the shaft at a predetermined axial distance apart and are pressed radially. The shaft is encapsulated between the first and the second sleeve with a thermoplastic in such a way that a vane body, which has at... | 07/02/2002 |
| 6413061 | Rotary compressor and method of manufacturing the same A rotary compressor comprises a cylinder having an inner space and a groove, a roller sliding along the inside of the inner space of the cylinder, a vane penetrating through the groove, and refrigerant. The groove penetrates through the outside and inner ... | 07/02/2002 |
| 6358020 | Cartridge-style power steering pump A cartridge-style pump [10] for a vehicle power steering system can be assembled, tested and shipped independently of an associated pump housing [37]. The pump [10] includes an upper plate [12], a cam plate [16] having a bore [20] formed therein for recei... | 03/19/2002 |
| 6340424 | Manufacture of complexly shaped articles using an automated design technique An integrated compressor disk and compressor blade (BLISK) having a specified shape is prepared by an electrochemical machining process having a cathode defined by a set of cathode shape parameters. A trial BLISK is prepared using a cathode defined by a s... | 01/22/2002 |
| 6235370 | High temperature erosion resistant, abradable thermal barrier composite coating A composite thermal barrier coating system includes a honeycomb metallic structure filled with high thermal expansion ceramic hollow spheres in a phosphate bonded matrix. The composite thermal barrier coating system may be manufactured to thicknesses in e... | 05/22/2001 |
| 6220407 | Method, arrangement and use for and of, respectively, a vane damper A method of producing a vane damper comprising a body including a space for at least one rotatable vane that divides the space into two part spaces that are located on either side of the vane. The spaces are variable because of the rotatability of the van... | 04/24/2001 |
| 6195889 | Method to set slot width in a rotary compressor A hermetic rotary compressor assembly having a housing, a cylinder block and a bearing assembly within the housing. The cylinder block and the bearing assembly define a cylindrical cavity which has a roller piston disposed therein. The rotary compressor a... | 03/06/2001 |
| 6178633 | Vane and method for producing same The vane 1 is substantially in a flat rectangular parallelepiped shape having (a) two wide side surfaces 1c, 1c' opposing in the thickness direction and being slidable in each guide groove 12 of a rotor 11 of an actuator, (b) two narrow side surfaces 1d, ... | 01/30/2001 |
| 6120271 | Vane slot roller assembly for rotary vane pumping machine and method for installing same A vane slot assembly and installation method for a rotary vane pumping machine including a rotor with a rotor axis of rotation. The rotor has a vane slot with two opposing, azimuthally separated, slot side walls. The rotor has a primary slot gear rack dis... | 09/19/2000 |
| 6116856 | Bi-directional fan having asymmetric, reversible blades A bi-directional fan includes asymmetrically-shaped fan blades wherein, at each transverse cross-section of the blade, the profile of the blade includes a leading portion lying on one side of a straight line connecting the leading and trailing edges of th... | 09/12/2000 |
| 6094815 | Method of manufacturing rotor for a vane compressor There is provided a method of manufacturing a rotor, which is capable of manufacturing a sufficiently high-strength and well-finished rotor at a reasonable price. A continuous cast rod is out into a billet having a predetermined length. The billet is heat... | 08/01/2000 |
| 6088916 | Method of making a pump having relief valve seat free of direct structural restraint A pump includes a coaxially integrated pump bypass/relief valve element of high density polymer material seats against a hard metallic sleeve that is pressed into a first counterbore around the bypass flow channel with an interference fit. That axial end ... | 07/18/2000 |
| 5951273 | Rotary compressor having a protective coating which is finish ground A tip of a vane slid with a rolling piston is mechanically finish-ground in the direction of the sliding movement between the vane and the rolling piston, and provided with a protective coating film being proof against abrasion which is composed of non-fe... | 09/14/1999 |
| 5842580 | Method of producing socket plate for wobble plate compressors In a method of producing a socket plate for wobble plate compressors an insert ring and a holed socket plate parent metal, having different mechanical and physical properties, are formed through extrusion processes prior to hot-forging the parent metal wi... | 12/01/1998 |
| 5741127 | Vane for vane compressor A vane for a vane compressor comprises an aluminum based metal and a clad of a ferrous metal provided on the surface of the aluminum base metal. The vane is formed by joining a pipe of the ferrous metal onto the surface of the aluminum based basis pressin... | 04/21/1998 |
| 5678306 | Method for reducing pumping damage to blood Methods are provided for minimizing damage to blood in a blood pump wherein the blood pump comprises a plurality of pump components that may affect blood damage such as clearance between pump blades and housing, number of impeller blades, rounded or flat ... | 10/21/1997 |
| 5678299 | Method for assembling an enclosed motor compressor of a two cylinder type using integral structures An enclosed motor compressor of a two cylinder type in which a clearance between the eccentric portion of the second rotary shaft and the second sub bearing is set greater than a clearance between the eccentric portion of the first rotary shaft and the fi... | 10/21/1997 |
| 5666724 | Installation and assembly device and method of using An installation and assembly device for aligning a first member such as a pump impeller with a second member such as an inlet nozzle of an impeller pump. The installation and assembly device includes a sleeve slideable within the inlet nozzle and a vertic... | 09/16/1997 |
| 5573376 | Bladed device and method of manufacturing same An apparatus is provided that includes a bladed device having a hub which is rotatable about an axis and one or more blades attached to the hub by self-energizing, self-locking, insertion and retention features which are formed integrally with the blade a... | 11/12/1996 |
