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8074684 |
Seat height control system
The present invention relates to a leveling valve including a first port, a second port, a third port, a valve, and a clutch. The clutch is provided with an engaged position and a disengaged...
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8047551 |
Multi-stage height control valve including position sensitive pilot signal and pressure boost for vehicle air springs
A multi-stage height control valve for a pneumatic control system of a vehicle includes an air reservoir port, an exhaust port, an air spring port and a pilot port operatively connected to a rotor...
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7988432 |
Rotary compressor for changing compression capacity
A rotary compressor has two compression capacities according to two different rotational directions of the driving shaft. The rotary compressor includes a driving shaft with an eccentric portion. A...
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7921876 |
Rotary control valve and associated actuator control system
A rotary control valve and associated actuator control system. An actuator control system comprises a rotary control valve including a generally planar face seal, and an actuator operatively...
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7866344 |
Rotary valve
A rotary valve for controlling air supply in an inflatable device comprises a first rotor (11) and the second rotor (12) driven by motor (13) with a drive pulley (14) fixed directly onto its drive...
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7854602 |
Rotary compressor for changing compression capacity
A rotary compressor for changing a compression capacity of the compressor includes a driving shaft being rotatable clockwise and counterclockwise, and having an eccentric portion of a predetermined...
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7775239 |
Buffered rotary valve
There is provided a buffered rotary valve in which a valve is additionally installed in a rotary valve for supplying a fluid of high pressure and a fluid of low pressure being input from a...
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7753014 |
Electro-hydraulic valve actuator with integral electric motor driven rotary control valve
An improved electro-hydraulic intake and exhaust valve actuator for a “camless” internal combustion reciprocating engine. The present invention integrates an electric motor driven “plug type”...
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7735508 |
Rotary slide valve
A rotary slide valve, in particular for speed-dependent power steering systems in motor vehicles, has a torsion bar, a rotary slide, and a control bushing. The control bushing is pressed onto a...
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7717061 |
Gas switching mechanism for plasma processing apparatus
A processing apparatus is disclosed which is capable of switching supplies of a raw material gas and a reducing gas alternately, while continuously forming a plasma of the reducing gas. An...
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7699135 |
Integrated hydraulic control system
A hydraulic system including a control valve and a steering control assembly. The steering control assembly includes a steering control unit and a priority flow divider contained in a single...
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7588051 |
Rotary valve device
This invention relates to a rotary valve device for controlling and distributing flow of a fluid medium directly in response to the rotary motion of a motor shaft. Fluid medium is continuously...
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7578313 |
Rotary pilot valve
A rotary pilot valve in which a force required to operate the pilot valve is reduced and especially the pilot valve can be operated with a very small operating force as in a fingertip type, and the...
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RE40721 |
Duplex strainer
A duplex strainer for straining material includes a housing, housing inlet port through which material enters the housing under pressure for straining and an outlet port through which strained...
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7530801 |
Bi-directional disc-valve motor and improved valve-seating mechanism therefor
A rotary fluid pressure device (11) has a stationary valve member (17), a rotatable valve member (51), and a valve seating mechanism (73). The valve seating mechanism (73) defines an outer balance...
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7520298 |
Rotary fluid flow valve
A rotary valve having inner and outer sleeves includes multiple ports configured to provide pressure and vacuum pulses when the sleeves are rotated with respect to each other. A source of pressure...
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7503344 |
High pressure metering valve
A bi-directional metering valve assembly is provided to selectively direct hydraulic fluid under high pressure to a load. The assembly includes a valve block defining a first port that receives...
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7287550 |
Assembly consisting of a valve member and adjustment device for a vehicle servo-steering arrangement
An assembly consists of a valve shaft, a valve member and an adjusting device which can alter the angle alignment of the valve member relative to the valve shaft.
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7225488 |
Air mattress control unit
The system of the present invention is a system for supplying air and controlling the flow of air into and out of the chambers of a patient supporting air mattress. It includes an electric motor...
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7222693 |
Hydraulic control valve and power steering apparatus using the same
The present invention provides a hydraulic control valve and a power steering apparatus using the same in which chamfer portions are provided only on throttle portions between oil supply chambers...
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7172572 |
Manifold system for a medical device
A number of devices are illustrated for providing a manifold that can simply and selectively couple a number of different therapeutic and diagnostic elements to a catheter or other medical device....
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7100638 |
Valve for a hydraulic power steering
In a valve for a hydraulic power steering, comprising a first valve element and a second valve element which from a central position can be rotatably displaced relative to each other to a limited...
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7028705 |
High torque failsafe valve operator
A fluid valve operator for moving a moveable valve element such as a disc (14) that is pressed forcefully against a surface of a valve frame (12). The valve operator includes first and second...
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6976504 |
Selectable detent relief valve
A selectable detent relief valve of this invention is used to operate a hydraulic detent mechanism on a manually operated spool valve. This design has three modes of operation, no-detent,...
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6976974 |
Rotary manifold syringe
A fluid control apparatus is disclosed for controlling fluid flow between a catheter, an injector, a saline supply, a waste dump and a contrast supply. The apparatus includes a valve stem movable...
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6971408 |
Power steering system for motor vehicles
A power steering system for motor vehicles, fitted with a rotary disk valve and comprising a reaction piston (1) defining an active (2) and a passive reaction chamber (3). A servo pressure can be...
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6962323 |
Apparatus comprising a rotary-acting pilot valve
A rotary-acting valve is disclosed. In some embodiments, the rotary-acting valve is the pilot or first stage of a two-stage control valve and can be used to create an improved propulsion system for...
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6945275 |
Airbag valve with adjustable dead band
A vehicle leveling valve for flowing pressured air to an airbag when its height falls below a predetermined height at the bottom of a height range, and for flowing air out of the airbag when its...
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6832629 |
Rapid inflation and venting air valve of airbed
A rapid inflation and venting air valve of an airbed comprises at least one air inlet, a lower opening, cover openings, and, joint tubes; and a blower having a wind suction opening and a wind...
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6832630 |
Adjustable air supply valve of air cushion bed
An adjustable air supply valve of an air cushion bed is disclosed, the air supply valve has an air supply valve installed between a first tube and a second tube. The air supply valve comprises a...
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6763851 |
Rotary shift valve for servo-assisted steering systems of motor vehicles
A rotary slide valve for power-assisted steering systems of motor vehicles includes a rotary slide which is connected fixedly in terms of rotation to a valve input member. The control bush is...
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6739848 |
Hydraulic motor with disc valve commutating slots complimentary in shape to port plate ports
A hydraulic motor of the disc valve type has a disc valve with a plurality of commutation slots that can sequentially register with ports in a port plate as the disc valve is rotated with respect...
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6708691 |
Valve and oscillator for producing a pressure waveform
A valve for controlling gas flow to ventilator or physiotherapy apparatus, has a body having first and second inlet ports and an outlet port. A shutter plate is rotatable with respect to said body...
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6640357 |
Back-to-back faucet valve structures
A water faucet structure includes a first valve seat mounted in one side of a wall, a first ceramic control valve fastened to the first valve seat, a second valve seat mounted in other side of the...
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6625824 |
Automatically controlled system for maintaining a swimming pool
The electronically controlled system of the present invention includes a regulator for regulating the flow of water through selected conduits of a filtration system associated with the swimming...
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6447361 |
Balloon-shaped structure driving apparatus and discharge/suction selector valve device used for the balloon-shaped structure driving apparatus
The present invention provides a balloon-shaped structure driving apparatus by which portions of a balloon-shaped structure can be caused to move easily and reliably and weight and cost can be...
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6397889 |
Method for mounting a rotary valve for power assisted steering systems, especially for motor vehicles
A method for assembling a rotary valve for hydraulic power assisted steering systems may be used for a rotary valve having the following features: both valve elements of the rotary valve have...
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6371347 |
Air switch and palm guide for papermaking machinery
An air switch including a housing, a lubrication port, a first air inlet port and an exhaust port is disclosed. The housing includes a chamber. The lubrication port is disposed to deliver...
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6357479 |
Rotary disc valve
A rotary disc valve with a stationary valve plate provided with a vacuum connection, a rotary slide member mounted so as to be movable between first and second valve positions, wherein the slide...
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6298878 |
Ball cock for railway vehicle
The present invention provides a ball cock for a railway vehicle which comprises a main body possessing a primary-side opening and a secondary-side opening which face one another and an air exhaust...
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6267144 |
Rotary disk valve for power steering systems of motor vehicles
A rotary slide valve (1) for power steering in motor vehicles contains a rotary slide (2), which is non-rotatably connected to a valve inlet member (4). The control bushing (3) is non-rotatably...
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6266833 |
Air bed structure capable of alternate aerating and lying thereon on one's side
An air bed structure capable of alternate aerating and lying thereon on one's side, wherein, the air bed is divided into a right and a left part each being comprised of a plurality of elongate air...
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6250333 |
Servovalve
A servovalve, in particular for hydraulic power-assisted steering systems of motor vehicles, is in the form of a rotary spool valve with a rotary spool and a control bush, which coaxially surrounds...
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6179004 |
Vacuum holder for automated carton erecting machine
A vacuum holder for use with an automated carton erecting and packing line and mountable on a rotary carton placer for removing cartons into which product is to be placed includes vacuum cup for...
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6161583 |
Control valve
A control valve which is useful for controlling devices without the use of direct electrical power. The control valve is configured such that it allows for the control of flowable media, such as...
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6152176 |
Air valve structure for alternately aerated three-pipe style air bed
An air valve structure for an alternately aerated three-pipe style air bed, being comprised of an upper rotation seat and a lower rotation seat, three air pipes on the air valve structure can be...
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6142181 |
3/3-way valve
A 3/3-way valve with a control member received in a valve chamber is provided. The member, in three control positions, blocks a consumer opening and a relief opening (maintain pressure), connects...
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6119803 |
Power steering apparatus
In a power steering apparatus having a control valve with a first control valve portion and a second control valve portion to enhance rigidity of a steering operation, an amount of an overlapping...
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6082242 |
Power steering system
A power steering system which minimizes control flow supplied to a valve mechanism when a steering assist force is not required and thereby reduces energy loss and which also prevents a...
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6026858 |
Power steering assembly
A power steering assembly (10) includes a rotatable valve core (40) which is encircled by a rotatable valve sleeve (41). The valve core (40) and valve sleeve (41) have surfaces which cooperate to...
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