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8006717 |
Injection valve of high pressure homogenizer and injection valve unit of the same
A high pressure homogenizer segmentalizes material made of minute solid or the like by passing suspension liquid including the material to a small diameter orifice at high speed under high...
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7819948 |
Rotary valve
A rotary valve is disclosed having a rotor and stator that utilizes at least one compression spring to provide contact between the rotor and stator. The spring(s) is configured to oppose the...
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7775502 |
Ball valve with a rotatable body capable of being kept out of substantial contact with a seat member
A ball valve having a reduced sized is provided, that includes a first shaft that extends into a housing accommodating a valve body along a rotational axis of the valve body and is connected to the...
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7481902 |
Substrate processing apparatus and method, high speed rotary valve and cleaning method
A substrate processing apparatus includes a processing vessel provided with a stage holding thereon a substrate to be processed and evacuated at an evacuation port, and a source gas supplying...
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6276394 |
Compact stem set with load-balanced rollers for non-lubricated double block and bleed plug valves
In the stem set configuration for a double block and bleed plug valve, the improvement provides an operator which can be significantly shorter and more compact than conventional operators for such...
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6206029 |
Valve of vacuum apparatus
A valve of a vacuum apparatus with a valve seat body having left and right communicating openings opposed to the two vacuum chambers, respectively, a valve body movable in the axial direction of...
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6196520 |
Air distribution device with a shutter of the drum type, in particular for a motor vehicle
An air distribution device comprises a casing (10) provided with a cylindrical wall (12) having at least one air passage opening (14, 16), a shutter (20) mounted so as to pivot with respect to an...
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5409149 |
Mixer housing gate assembly
A dump gate assembly as for a feed mixer housing including first and second hinged gates swingable between upper closed condition and lower open condition, each gate having a cam track preferably...
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5333833 |
Rotary ball valve with lifting ball
A ball-valve member, which in its valve-closed condition must have circumferentially continuous sealed contact with its seat, is mounted for rotation about an axis which is eccentrically gyrated in...
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5195719 |
Butterfly valves with actuators carried on valve plate
A butterfly valve (30) in which an actuator (38) is secured to the plate (36). The actuator (38) is carried with the plate (36) when the latter moves. The plate (36) may be revolvable and...
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5106052 |
Air damper apparatus
Provided is a damper for controlling air flow through an air duct. The damper includes a mounting fame secured to the interior of the duct which has a circular opening for air flow therethrough...
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5074523 |
Device
The application describes a valve device which can be used to open and shut a laterally arranged inlet in an inclined wall of a mixer granulator and which can be used in an automatic operation. The...
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5048568 |
Quick opening slide valve
A slide valve is described that has the capability to open rapidly at a rnably controlled speed. The valve has two concentric tubes with each tube having a plurality of slots. In the valve closed...
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4967997 |
Butterfly valve with intra-shaft actuator means
A butterfly valve (30) is described in which the plate member (32) is in facing relationship with a hollow shaft (34) and is moved by pistons (50, 52) disposed in the shaft. The pistons (50, 52)...
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4957221 |
Air tight storage silo
A improved silo is provided having a pair of pivoting receiver gates overlying a pair of receiver openings and a pair of pivoting discharge gates overlying a pair of discharge openings. A...
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4945949 |
Reduce height dust valve
A dust trap comprising a pair of coaxially mounted dust valves. Each valve has a valve seat and flapper plate and actuator shaft which coacts with the flapper plate to cause it to initially slide...
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4858735 |
Stationary pivot mechanism for use with a damper
An improved pivot assembly operable on an air flow controlling disk, initially to move the disk from a closed position over a damper opening to an intermediate open position away from the opening...
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4753417 |
Gate valve for vacuum processing apparatus
A gate valve for sealing an opening in the wall of a vacuum processing chamber is disclosed. The valve includes a gate having a pair of wheels mounted on opposite ends of the gate and a curved...
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4726391 |
Rotary switching device provided with an axially displaceable conical chamber
The invention relates to a rotary switching device having a conical chamber permitting modification of the supply to the apparatus to which it is allocated, by reversing the fluids or the...
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4687179 |
Automatic valve actuator and control system
A valve actuator control system, although suitable for many control functions, is especially adapted for remote control of plug-type valves utilizes a unique configuration providing a unitary...
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4669701 |
Shut-off apparatus
The apparatus comprises a disk shaped shut-off flap located in the passage of a main body. The shut-off flap is mounted such to a rocking shaft that the flap can be lifted off its seat during one...
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4666124 |
Valve operator for a plug-type valve
An improved cam sleeve operator for use primarily with valves of the plug type in which a tapered plug is raised to unseat associated slips and then rotated to a valve open position during opening...
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4657222 |
Valve
A valve comprising a valve body having a tapered conical bore and an opposed inlet and outlet openings. A tapered cage abuts the conical bore. The cage is designed for easy replacement. A stopper...
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4498371 |
Direct acting rotary actuator cylinder
This invention relates to direct acting rotary actuator cylinders wherein the linear motion of the piston is directly converted to angular motion by a means completely enclosed within the cylinder,...
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4470319 |
Valve actuating mechanism
A valve actuating mechanism for valves particularly of the plug valve type wherein a plug member is movable between operative positions by both linear and rotary movement. The valve actuating...
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4436280 |
Valve actuator mechanism for lift-turn type valves
A valve actuator mechanism for a lift-turn type valve having a valve element that is operated by first linear unseating movement, rotational repositioning movement and linear reseating movement....
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4385746 |
Four-way plug valve
A rotary lift-turn type plug valve mechanism includes a valve body and bonnet structure defining a tapered valve chamber that receives a tapered plug member which is operated by linear and rotary...
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4377179 |
Pressure balanced ball valve device
A ball valve is turned relative to its seat by means of three concentric sleeves mounted within a housing bore. Pins carried by the middle piston sleeve extend outward into slots in an outer...
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4288060 |
Sequenced drive for rotary valves
A sequenced drive for rotary valves which provides the benefits of applying rotary and linear motions to the movable sealing element of the valve. The sequenced drive provides a close approximation...
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4280681 |
Center link disc valve
A disc-type valve is disclosed which provides a design by which the valve disc can be positively and uniformly lifted laterally off the valve seat so as to prevent abrasion of the sealing surface...
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4262693 |
Kelly valve
A valve adapted for installation at the lower end of a drilling kelly for closing the bore of the kelly when adding a section of drill pipe so that the mud content of the kelly is not discharged...
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4253640 |
Actuation system for valve with compound closure movement
A valve actuation system is provided for a valve of the type wherein at least two separate movements are utilized to achieve either opening or closing thereof. The actuation system includes a pair...
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4234157 |
Lift-turn valve and actuator assembly
A lift-turn valve and actuator mechanism incorporating a valve plug and slip assembly that is movable with both axial and rotatable components of movement during opening and closing. Rotational...
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4192482 |
Hydraulic actuator to provide both rotary and linear motions to a movable valve
A hydraulic cylinder is provided with pistons to provide both rotary and a linear motions; utilization of a built in check valve traps fluid pressure to sustain piston in a desired operating position.
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4120479 |
Rising stem valve actuator
Valve actuator for causing both rotation of a valve member and linear movement of said valve member.
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4106748 |
Valve with two valve plates
A valve with a pair of valve plates includes a valve-plate actuating mechanism operably connected between the valve plates and a valve shaft for transforming the movement of the valve shaft to the...
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4013264 |
Flow control valve with isolated sequence control mechanism
A cylindrical flow tube of tapered cross section bears a spherical valve poppet on one side and is mounted within the valve casing for rotation between an axially in-line position relative to an...
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3785613 |
SEQUENCING VALVE CONTROL APPARATUS AND SYSTEM
Control and power actuating means for the sequential operation of a valve component, particularly of relatively large valve units, wherein the valve component is required to be moved in going from...
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3491794 |
VALVE WITH FORCE APPARATUS TO OPPOSE AN APPLIED SUCTION FORCE
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3459208 |
CYCLING VALVE
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3400907 |
Butterfly valve with movable pivot axis
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3337178 |
Self-sealing slide gate valve
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3330289 |
Constant delivery preselected fluid flow valve control device
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3243892 |
Freeze drying apparatus
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3023575 |
Normal and emergency fuel control system for gas turbine engines
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3007514 |
Fluid control device
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2867418 |
Selective dispensing apparatus
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2867269 |
Fuel flow and control system
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2858096 |
Fluid pressure actuated gate valve
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2793908 |
Remote control irrigation system and valve
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