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7908733 |
Method for manufacturing injection hole member
A lead hole is formed in a base material of an injection hole member with a straight punch, and then, a taper hole is formed in the base material by widening the lead hole with a taper punch. An...
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7761988 |
Method of making an outer lever of a switchable finger lever
According to the present invention, an outer lever (1) of a finger lever (2) that can be switched to different lifts for at least one gas exchange valve is made by a deep drawing method. A salient...
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7581302 |
Solenoid valve combining a core and cartridge in a single piece
A magnetic gap in a solenoid core is formed by a non-magnetic brazing material bonded into a groove encircling the core in the region of the magnetic gap. A bore through a single piece core and...
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7574797 |
Throttle body and method of assembly
A throttle body for an automobile includes a throttle shaft defining a rotational axis. The throttle shaft includes deformable members integrally formed about an exterior surface of the throttle...
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7231716 |
Method of making a thin wall nozzle
A novel method of making a nozzle by forcing a malleable metallic disk into a series of cavities in progression using punches to draw down a formed section so metal can be pulled into the shape of...
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7146729 |
Fuel vapor vent valve and method of attaching same to a tank
A float operated fuel vapor vent valve has body structure with an annular mounting flange formed of material weldable to a fuel tank and the flange is spin welded to the tank. The float has...
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7131179 |
Mounting structure and method of mounting a component in a structure
A main body 110 of a component comprises a projection 120 protruding from an axis thereof in the direction of a normal, a fitting shaft portion 111 to be fitted into an opening 811 of a structure...
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7025330 |
Bar-stock ball valve
A barstock body fluid control valve comprising a barstock body of preselected material having an inlet end and an outlet end, and a preselected cross section defining the outer walls; a through...
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6988317 |
Valve integrally associated with microfluidic liquid transport assembly
The present invention discloses a valve integrally associated with a microfluidic transport assembly that is useful for regulating the flow of a liquid sample through an analytical instrument such...
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6981512 |
Tubular flow conduit with in-line integrated check valve and method of making same
An integrated in-line tube and check valve assembly fabricated by end-form mandrel expanding an outlet end portion of deformable tube stock, such as metal, of nominal starting diameter, and...
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6971172 |
Piezoelectric control valve adjustment method
A method for adjusting piezoelectric valve components to create a precise interface between a piezoelectric actuator and a movable valve plunger is provided which includes the steps of conducting a...
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6749412 |
Check valve retainer for a scroll compressor
A check valve retainer for a scroll compressor includes a retaining lip that fits into a recess formed in a scroll. The retaining lip may be manufactured as an integral part of the check valve...
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6718633 |
Process for manufacturing valve trim assemblies
A process for manufacturing a valve trim assembly. The process comprises providing a flow disk having an outer diameter, an inner diameter, and an outer disposable flow disk portion, providing a...
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6446338 |
Method of sluice gate valve fabrication
An improved method of sluice gate valve fabrication in which a cylindrical rod of an appropriate diameter is first cut and then the cylindrical rod is forged into a blank for a disk-shaped sluice...
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6322050 |
Method of manufacture of element having ceramic insert and high-strength element-to-shaft connection for use in a valve
An element for controlling the fluid flow rate through a fluid valve. The element may include a generally spherical metal housing encasing a cylindrical ceramic insert. The element may also include...
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6293012 |
Method of making a fluid flow module
A method of fabricating a module having fluid flow channels in communication with a diaphragm valve using self-bondable polyimide sheets wherein the sheets are directly interfacially bonded to one...
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6263569 |
Method of manufacturing a standardized fuel injector for accommodating multiple injector customers
A method of manufacturing and testing a standardized fuel injector configuration accommodates multiple fuel injector customers. Initially, a fuel injector is molded, the fuel injector having an...
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6226866 |
Method of making carbon-carbon composite valve for high performance internal combustion engines
The present invention provides a carbon-carbon (C/C) composite valve structure useful for high temperature internal combustion engines comprising (a) a carbon-carbon (C/C) composite valve stem...
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6189816 |
Method for producing a valve-seat body for a fuel injection valve, and corresponding fuel injection valve
Besides the conventional process steps of manufacturing a valve-seat body, forming a through opening inside the valve-seat body, forming a valve-seat as a frustoconical section of the through...
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6178638 |
Fabrication method for a flange-type ball valve
A fabrication method for an improved structure practical forged one-piece flange-type ball valve that consists of the forging the initial two blanks of the water inlet seat and the ball valve seat...
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6032350 |
Method of slotted component manufacture
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5979052 |
Engine injector structure and hard thread milling method and apparatus for forming same
Hard thread milling methods and equipment provide more precise alignment for a threadably retained component A fuel injector body with a cavity for a solenoid valve is processed by steps including...
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5979873 |
Method of making ball valves
A method of making ball valves, including the steps of forging two symmetrical ball valve halves into shape such that they each have a spherically curved outer wall and a cylindrical inner wall...
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5926955 |
Microvalve with joined layers of metal parts and process for manufacture of a microvalve
A microvalve includes a chamber, with a closing member being movable therein. The microvalve is made of two layers. The two layers of the microvalve are formed separately by being impressed as a...
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5906047 |
Manufacture of grease fittings and blanks therefor
A grease fitting is made by forming its outer shell in a series of cold forging steps to make a blank with the necessary thread blank at one end, a hexagonal center portion, and with a...
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5894663 |
Method for forming a ball value assembly
A method for assembling a rotary ball valve assembly utilizes an axially directed compressive force to urge an annular seal into sealing engagement with a rotatable ball and, while the compressive...
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5890286 |
Ball valve with full opening and a method for its manufacture
The invention relates to a ball valve (3) with full opening between two tubes (1, 2) and the manufacturing method thereof. The ends (6, 7) of the tubes are sealed in the valve against the valve...
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5794591 |
Throttle valve for an internal combustion engine
A throttle valve for an internal combustion engine includes a body having a throttle bore defining an axis. A throttle plate for controlling air flow through the throttle valve is molded within the...
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5765283 |
Method of making a flow controller
A mass fluid flow controller has a valve which is controlled by a controller rod which is substantially pivotally mounted on a metallic diaphragm which stretches and unstretches with the movement...
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5727413 |
Process for hot forming hollow spherical bodies
A process for forming a hollow spherical body and the spherical structure so formed. The forming includes a first phase in which a blank is provided with a half having a spherical outer surface, a...
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5697154 |
Method of producing a fluid injection valve
A fluid injection valve in which an orifice plate is produced by defining surfaces of walls forming an orifice on a plate-like basic material by pressing with a punch, forming a protective layer on...
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5694686 |
Method for assembling a medical valve
A closed system, needleless valve device includes a generally tubular body defining an internal cavity. On the proximal end of the body there is an opening which is preferably sufficiently large to...
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5489195 |
Liquid ring pump having a sheet metal valve plate
Liquid-ring gas pump with a working chamber in which an impeller (6) rotates and which is bounded axially by a control plate (7) past which the impeller (6) moves with a small clearance and which...
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5463810 |
Method of manufacturing plunger barrel
A plunger barrel has a sliding bore in which a plunger is slid, a sleeve acceptor in the shape of a hole for a control sleeve which is formed in an intermediate portion of the sliding bore and a...
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5392516 |
Method for forming a spool valve sleeve
A valve sleeve is made from a tube having smooth inner and outer diametri surfaces by forming a shallow channel on the tube so that a channelled region of the tube is thinner than other regions of...
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5390408 |
Slotting
Apparatus for machining an angularly disposed array of slots (FIG. 7) concentric with the axis (85) of a bore of a valve sleeve (1) which has a sleeve holder (3) which is rotatably indexed for...
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5348232 |
Electromagnetically actuated fuel atomising and metering valve for a heat engine fuel supply device
The present invention involves an electromagnetically actuated fuel atomizing and metering valve. The valve has a metal body housing an electromagnet, a core, and an injection nozzle. The injection...
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5277216 |
Method of attaching a valve disc to a drive shaft
The drive shaft is formed with a longitudinally extending groove and the wall of a blind bore formed in the valve disc for receiving the shaft is formed with a projection which fits in the groove...
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5246655 |
Method of making thermoplastic valve rotors
A method of making a rotor for a rotary valve including cutting a round slug of a plastic material to a desired length, turning the round slug on a lathe to provide a desired outside diameter,...
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5235746 |
Method of manufacturing a high-capacity servo valve body
A servo valve body is made by first boring a central cylindrical passageway, for receiving a valve spool, through an elongated, substantially rectangular valve block of tool steel. A plurality of...
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4951372 |
Method for adjusting injection ports in a fuel injection valve
A fuel injection valve and a method for adjusting its fuel quantity are proposed. The fuel injection valve is used to inject fuel into the intake system of a mixture-compressing internal combustion...
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4862920 |
Spool for a spool valve and method of producing same
The invention provides a spool for a spool valve, the spool (1) comprising at least one annular land (2) having at least one notch (3) therein which is part conical (4). The invention also provides...
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4854024 |
Method of making multi-stream thin edge orifice disks for valves
A dual stream thin edge orifice disk is defined as a disk having a pair of orifices positioned to direct the flow of fluid from the interior portion of a valve into two different streams. The dual...
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4768268 |
Method for manufacturing a single-piece type valve sleeve
A method for manufacturing a single-piece type valve sleeve, includes plastic-working a workpiece thereby to form in the workpiece a blind bore and a plurality of grooves in the surface of the bore...
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4703544 |
Method of manufacturing a rotor for hydraulic rotary valve
A method of manufacturing a valve rotor is disclosed which forms a hydraulic rotary valve as may be used in a power steering apparatus. A valve rotor includes axially extending grooves formed in...
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4614014 |
Method of manufacturing a valve sleeve
A method of manufacturing a cylindrical valve sleeve is provided. The method includes the steps of providing a cylindrical valve having an inner wall, an outer wall and an end shoulder disposed...
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4554817 |
Valve sleeve shaping method
An apparatus is provided to shape the edges of flow control grooves in a valve sleeve. The apparatus includes a plurality of groove edge shaping tools which are pivotally supported in a circular...
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4535519 |
Method of manufacturing a valve sleeve
A method of manufacturing a valve sleeve which is combined with a valve rotor to form a hydraulic rotary valve comprises a first step of expanding one end of a cylindrical member, a second step of...
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4283823 |
Method of making an actuating member for a thermostatically controlled valve
A thermostatically controlled valve, of the type used in a cooling system of an internal combustion engine, has a temperature-responsive actuating member, for opening and closing the valve, in the...
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3991456 |
Method of forming valve bodies
A method is disclosed of forming valve bodies of the spool valve type wherein sharp edges around the port openings in the interior chamber of the valve are eliminated. This is accomplished by...
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