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7552671 |
Cylinder with fiber optical position sensing device and method
An apparatus for sensing movement of a first object relative to a second object. The apparatus includes indicia markings formed on the first object and a sensor capable of reading the indicia...
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7520208 |
Drive device comprising a position controller
A drive device comprises a fluid driven drive ( 2 ), which defines a drive space ( 8 ), in which at least one drive piston ( 14 ) is located which is able to be linearly shifted by fluid actuation...
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7493847 |
Fluid pressure cylinder with position detecting device
In a fluid pressure cylinder with a magnetostriction type position detecting device for detecting an operating position of a piston using the position detecting device, the fluid pressure cylinder...
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7476842 |
System and method for emitting and/or detecting light within a compartment
A system and a method emit and/or detect light within a compartment via one or more lenses. A light source emits the light in an interior of the compartment via one or more lenses and/or an optical...
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7472639 |
Linear compressor
A compressor includes a sensor configured to detect a position of a piston; a sensor core configured to reciprocate within the sensor and with the piston; and a core supporting member configured to...
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7468522 |
Collar, system and method for detecting a mark on a rod
A collar, a system and a method detect a mark on a rod within an interior of the collar. The mark and the rod move from a first position to a second position within an interior of the collar...
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7467582 |
Pump diaphragm rupture detection
A hydraulically driven pump includes a first chamber exposed to a process fluid, a second chamber configured to retain a hydraulic fluid, and a multi-layer diaphragm positioned between the first...
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7466144 |
Microwave measurement system for piston displacement
A microwave measurement system is utilized for the determination of displacement of a piston in a fluid filled cylindrical structure. The piston plus cylindrical encasement of the hydraulic system...
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7451684 |
Actuator device with a microwave position detecting device
An actuator or servo device comprises an actuator member adapted to move linearly in the motion space of an actuator housing, a microwave position detecting device for detecting the position of the...
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7437988 |
Piston-cylinder device with position sensing means
A pressure activated piston-cylinder device includes a cylinder barrel with a cylinder bore, a piston with a piston rod movably guided in the cylinder bore, and a piston position sensing and...
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7357466 |
Braking force generator for a hydraulic vehicle brake system
In a brake force generator for a vehicle hydraulic brake system having a force input element, which is connectable or connected to a brake pedal and displaceable in a base housing of the brake...
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7316176 |
Remote monitor system for a longitudinally positionable control bar
A remote monitor system for a longitudinally positionable control bar having position indicating indicia thereon including a housing receiving the control bar therein and having an aperture in a...
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7290476 |
Precision sensor for a hydraulic cylinder
A sensor mountable within a hydraulic cylinder provides a precision signal indicative of the position of the piston. The sensor includes a flexible connector attached between the cylinder piston...
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7284472 |
Hydraulic cylinder
A hydraulic cylinder assembly includes a transducer having a wand and a wiper assembly, wherein the wiper assembly is positioned a predetermined distance from an end of the wand for providing a...
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7275474 |
Optical position sensing and method
In a variable displacement type hydraulic pump/motor assembly including at least one internally movable component, such as a yoke, a swashplate, and the means for moving the swashplate, the...
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7255037 |
Switch
A switch is disclosed comprising a housing formed with a chamber along which a ball can roll. An element having a pair of arms is pivotally mounted within the housing, with one arm either side of...
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7250753 |
Sensor attachment mechanism for fluid pressure cylinder
Exemplary embodiments of the invention provide a sensor attachment mechanism capable of attaching a position detecting sensor having directivity in a proper direction to a fluid pressure cylinder...
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7249555 |
Actuator having the function of control of operation displacement
This invention is an actuator having the function of control operation displacement. The invention comprises of cylinder ( 100 ), pistons ( 160 ), a rotating axis ( 140 ) rotatably mounted through...
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7234386 |
Three chamber hydraulic cylinder for an active vehicle suspension with integrated load leveling
A hydraulic actuator for an active of semi-active vehicle suspension system has a cylinder with a piston therein. A piston rod is attached to the piston and extends out of the cylinder. First and...
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7204035 |
Displacement measuring system for a piston-cylinder assembly
A piston rod is guided with freedom of axial movement in a cylinder, where the position of the piston rod is detected by a first position-measuring device, which travels along with the piston rod,...
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7197974 |
Position sensor
A position sensor includes a stationary frame supporting a rotatable spool onto which a cable is wound in a plurality of individual windings. A distal end of the cable extends through a lead guide...
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7186094 |
Method and apparatus for measuring work performed by a compressor
An apparatus and method for monitoring a reciprocating member of a reciprocating piston compressor is presented. The apparatus and method provide a means for measuring parameters of the...
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7180053 |
Apparatus, a system and method for determining a position within a cylinder
An apparatus, a system and a method are provided for monitoring position of a machine element within a mechanical system and/or cleaning a machine element. A light source and sensor may be...
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7178446 |
Cylinder rod with position sensor surface markings
A cylinder rod with wear-resistant surface markings is provided. The cylinder rod may include a rod substrate, a thermal-spray coating disposed on a surface of the substrate, and one or more...
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7171889 |
Swash plate tilting angle detector for a swash plate plunger type hydraulic unit
A swash plate plunger type hydraulic motor is constituted such that plungers are slidably disposed in respective plunger holes of a motor cylinder, and a motor rolling member having a motor swash...
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7170278 |
Device for sensing the axial position, in relation to the other component, of one of two components mobile relative to each other
A device ( 16 ) for sensing the axial position, in relation to the other component, of one of two components mobile relative to each other, in particular a piston ( 12 ) in relation to a cylinder...
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7162947 |
Mount for cylinder position sensor
A method and apparatus for determining the position of a rod member of a cylinder assembly are provided. The cylinder assembly may include a cylinder body, a gland member, a sensor mount, a rod...
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7143682 |
Large manipulator having a vibration damping capacity
A large-size manipulator comprises a boom made up of several segments and arranged on a vehicle frame. The boom is foldable and has a slewing track ring rotated about a vertical axis of rotation....
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7121185 |
Hydraulic cylinder having a snubbing valve
A hydraulic cylinder has a tube with a first end and a section end. The hydraulic cylinder also has a piston assembly movably disposed within the tube and configured to move between the first and...
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7104182 |
Contractile unit having a position sensor means
A contractile unit comprising a contractile hose extending between two spaced head pieces and adapted to perform a longitudinal contraction on being subjected to internal pressure, and a position...
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7100493 |
Pneumatic actuator
A pneumatic actuator includes a cylinder, an output shaft disposed rotatably in the cylinder, a pinion disposed in the output shaft, a piston rod furnished with rack teeth to be meshed with the...
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7093361 |
Method of assembling an actuator with an internal sensor
A method of installing a piston position sensor proximate to a closed end of a hydraulic cylinder is provided. The sensor is attached to the face of a piston and that piston/sensor combination is...
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7059238 |
Method and apparatus for stroke position sensor for hydraulic cylinder
A fluid pressure cylinder assembly is provided with a sensor for sensing the extension of a piston rod from a tubular cylinder. The tubular cylinder has a base block that seals the end of the...
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7051639 |
Mounting apparatus and method for cylinder position sensor
A method and apparatus for detecting the position of a rod member of a cylinder assembly are provided. The cylinder assembly may have a cylinder body with a cylinder chamber therein, a gland member...
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7048164 |
Setting device
The present invention is directed to a combustion-operated setting device for driving fastening elements such as nails, bolts and pins into a substrate, with a setting mechanism comprising a...
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7007563 |
Monitor to check the path of motion of reciprocating piston
A stationary arranged sensor ( 4 ) is provided in the region of one of the dead centers of the piston movement to monitor the position of the path of motion of a piston ( 1 ) relative to a cylinder...
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7004059 |
Hydraulic master cylinder switch
A switch adapted to be positioned on the pushrod of a hydraulic cylinder assembly and including a housing adapted to be positioned against an end of the hydraulic cylinder assembly and including a...
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7000455 |
Leakage monitoring in the hydraulic pressure area of a membrane pump
In a process for the monitoring of leakage in the hydraulic pressure area of a membrane pump, processing is in a manner such that the point in time (t 3 ), at which the snifting process serving for...
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6973867 |
Valve controlled fluidic actuator system
A valve controlled fluid power actuator arrangement having a fluid power valve arrangement ( 61 ) controlled by an electronic control means ( 63 through 65 ) being connected by means of at least...
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6952009 |
Apparatus, a system and a method for monitoring a position of a shaft element in a cylinder and an apparatus, a system and a method for cleaning of the shaft element
An apparatus, a system and a method are provided for monitoring position of a machine element within a mechanical system and/or cleaning a machine element. A light source and sensor may be...
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6945156 |
Device for switching and locking moving points components
The invention relates to a device for displacing and locking movable switch parts ( 1 ), comprising a hydraulic piston, which is formed by a rod ( 6 ) and cooperates, via coupling or locking...
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6931982 |
Linear actuator
A rotation-preventing slide is provided for a linear actuator which includes a housing which defines an internal bore and a piston-rod assembly which linearly moves within the internal bore in...
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6917515 |
Electrical component having a housing retained in a receiving groove in a support through a retaining device
An electrical component has a housing received in a receiving groove, which is confined by opposite lateral walls connected to a groove bottom, formed in a support. A retaining device includes a...
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6907816 |
Safety diaphragm for a diaphragm pump
A safety diaphragm for a diaphragm pump, which makes it possible to detect a rupture of the diaphragm during operation or when at a standstill. The diaphragm has at least two diaphragm layers ( 1,...
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6901840 |
Angular actuator and control therefor
A fluid-powered mechanical actuator having a proximal end and a distal end and having a plurality of hollow tubular elements hingedly connected in end-to-end linked relationship to form a variable...
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6886333 |
Signal transmitter comprising a hall sensor integrated in a master cylinder
The present invention relates to a position indicator for displaying the position of a piston within a cylinder as part of a piston-and-cylinder assembly in a brake system. The provision of a Hall...
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6868771 |
Mounting for magnetic field sensors
An arrangement for axially variably mounting a magnetic field sensor in a guide groove arranged on the exterior of an operating cylinder in which a piston reciprocates. The groove is longitudinally...
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6866545 |
Electrical cordset with integral signal conditioning circuitry
An electrical cordset for connecting a sensor connector used with a piston position sensor located within a high pressure environment and a control system. The cordset is an electrical conductor...
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6854376 |
Device for actuating a least piston and method for detecting failure in a device
A device ( 1 ) for actuating at least one piston ( 2 ) moving axially in the bore ( 3 ) of a body ( 4 ), the piston ( 2 ) being driven by the longitudinal or curved movement (F 2 ) of a control arm...
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6840154 |
Working cylinder
A drive cylinder comprising a cylinder barrel ( 3 ) extending between two cylinder heads ( 2 a and 2 b ) and a plurality of ties ( 13 ) distributed about the outer periphery of the cylinder...
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