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Match Document Document Title
9027461 Rodless power cylinder  
A rodless power cylinder includes a cylinder body, a piston assembly adapted to reciprocate in the cylinder body, a magnet mounted at each of the two ends of the piston assembly, a valve mounted...
9027460 Piston-cylinder unit with device for determining position  
The present disclosure relates to a piston-cylinder unit with a device for determining position, the device comprising at least one exciter that is indirectly or directly electrically connected...
8997629 Pneumatic actuator  
A pneumatic actuator comprises a containment jacket (2) and an activating bar (14) mounted through the containment jacket (2) and able to move between a first operating position and a second...
8997630 Piston-cylinder assembly having integrated measuring device  
A piston-cylinder assembly, in particular for pneumatic, hydraulic or mechatronic systems, includes a cylinder housing and a piston. The piston is coupled to a piston rod and disposed in the...
8997628 Integrated magnetostrictive linear displacement transducer and limit switch for an actuator  
The present invention relates to a position sensor and limit switch apparatus for an actuator. The actuator has a cylinder and a piston with at least one magnetized portion reciprocatingly...
8991572 Leak-proof damper having self-diagnostic feature  
A leak-proof damper with a self-diagnostic feature. An auxiliary oil reservoir body is disposed externally with respect to the damper cylinder and generally adjacent the rod seal, wherein the...
8991173 Linear actuator for a variable-geometry member of a turbocharger, and a turbocharger incorporating same  
A linear actuator for a variable-geometry member of a turbocharger includes a piston/rod assembly that can axially translate and also pivot to a limited extent. A permanent magnet is mounted in a...
8967035 Sensor coupler for piston-cylinder assembly  
A sensor coupler adapted to operatively connect a sensor to a piston-cylinder assembly. The sensor coupler includes a first end member and a second end member. The first end member is disposed on...
8950314 Yoke position sensor for a hydraulic device  
An embodiment the invention relates to a yoke position sensor system (7) for a hydraulic device (1), such as a pump or motor, provided with a moveable yoke (3) which is used for varying the...
8939061 Method and device for indicating the position of hydraulically armatures  
Method of indicating the position of a hydraulically actuated armature, comprising an adjust cylinder for actuating the armature, connected by at least one pressure medium line to an adjustment...
8839915 Railway freight car hand brake sensor  
In combination with a railway car hand brake, there is an apparatus for sensing the hand brake release comprising a housing and a mounting mechanism for attaching the housing to a cover of such...
8833234 Cylinder  
A cylinder includes a piston moving in a cylinder housing fastened to a cylinder rod and rotatable about a cylinder longitudinal axis, and a position sensor comprising a sensor magnet and a sensor...
8807965 Control system for electromagnetic pumps  
A control system for controlling electromagnetic pumps, such as electromagnetic driven membrane pumps, has at least one microprocessor and at least one sensor, the microprocessor controlling the...
8776667 System for determining the position of a piston along its path of travel for a fluid-dynamic actuator  
A fluid-dynamic actuator having a detection system for determining the position of a piston along its path of travel within a cylinder. The piston includes a head and rod extending therefrom....
8770087 Hydraulic servo-drive device and variable turbo-supercharger using the same  
A hydraulic servo drive device includes: a pilot spool for switching supply and shutoff of oil; a servo piston slid in accordance with the pilot spool; a stroke sensor for detecting a displacement...
8677884 Hydraulic pump/motor and fan driving device  
A hydraulic motor 10 of the invention includes a detected unit 52 formed on an outer circumferential surface of a cylinder block 14 and a rotation sensor 50arranged opposed to the detected unit 52...
8646375 Fluid pressure cylinder with position detecting device  
An elongated attachment hole is formed on a housing containing a magnetic sensor, a thin plate-like hole cover is placed on the housing to cover the elongated attachment hole, a single attachment...
8575921 Position indicator apparatus and method  
An apparatus for monitoring the movement of a piston disposed within a housing comprises a pin which is responsive to the axial movements of a piston in the housing, the pin having an end which is...
8516945 Piston-cylinder unit  
The present invention relates to a piston-cylinder unit with a piston with adjoining piston rod, which is movably mounted in a cylinder, wherein the piston and the piston rod have a cavity into...
8511218 Clamping device for cylinder sleeves and use thereof, and mud pump having a clamping  
Clamping device for cylinder sleeves of a pump system, and a piston pump or plunger pump for conveying drilling fluid during drilling of boreholes, particularly in the field of oil and natural gas...
8459174 Rod-less cylinder device and system and method for operating thereof  
The disclosure provides a rod-less cylinder, device adapted to longitudinally displace loads, said device comprising a shaft, a nut confined to move longitudinally within the shaft, a slider...
8448563 Fluid-powered actuator having an internal position sensor and a sensor module therefor  
A fluid-powered actuator comprises a cylindrical body having a base proximate one extremity and a head proximate another extremity, a piston-rod assembly and a sensor module made of a removable...
8365652 Adjusting element  
An adjusting element with a closed first end, a cylinder, a piston displaceably arranged in the cylinder that divides the cylinder into a first work space remote of the first end and a second work...
8365651 Piston-type accumulator  
A piston-type accumulator has: a) an accumulator housing in the form of a cylinder tube (1) made of magnetizable material, which defines an axial direction of the housing; b) a piston (3), which...
8333568 Device and methods of measuring pressure  
Embodiments of the present invention are directed to method and devices for measuring the pressure of a pump chamber in which no internal opening or connections are needed. One embodiment of the...
8286545 Piston-cylinder unit  
A piston-cylinder unit for pivoting a flap with respect to a motor vehicle body includes a cylinder having an open end with a seal, a closed end, and an interior space between the ends; a piston...
8240240 Cylinder position sensor  
A device for detecting the absolute position of a cylinder rod is provided. A cylinder assembly has a cylinder body with a gland member positioned thereof. The gland member has a rod opening...
8237430 Displacement sensor for a rod  
The displacement sensor (100) includes a rod (103) including a conical convex graduated magnetically anomalous region (105) and a magnetic sensor (110) located in close proximity to the concical...
8100045 Hydraulic cylinder rod position sensor  
A fluid pressure cylinder assembly has a sensor to provide a signal indicating the amount of extension of a piston rod from the cylinder. The sensor includes a sleeve that is fixed relative to a...
8047122 Tensioner assembly with multiple cylinder stroke system  
A tensioner assembly with a hydraulic fluid and gas is described herein. The tensioner assembly can accurately and reliably detect the position of a cylinder rod in each cylinder of the assembly...
8015913 Pneumatic cylinder for precision servo type applications  
A pneumatic cylinder designed to convert compressed air into mechanical output is disclosed. The pneumatic cylinder includes a piston and rod assembly with supporting components coaxially disposed...
7992490 Automatic by-pass control system for meat injection machine and method of using same  
A by-pass control system for a meat injection system has a variable speed pump that transports fluid to a meat injection machine. Excess fluid is transported to a by-pass control valve. The valve...
7975599 Regulating device for a hydrostatic piston engine with electronic control unit  
A regulating device for a hydrostatic piston engine is provided. The regulating device (30) has an electronic control unit (17) for generating adjusting signals. An adjusting position of the...
7963208 Mounting mechanism for a position-detecting sensor  
A position-detecting sensor to which a mounting mechanism for a position-detecting sensor is applied is equipped with a holder capable of accommodating a sensor element in which a magnetic sensor...
7931403 Position sensing composite cylinder  
A fluid power composite cylinder that includes conductive and resistive material as part of the composite cylinder. The conductive and resistive material to provide a sensor feature that is used...
7703279 Programmable cylinder, system and method for changing velocity of a machine element within a cylinder  
A programmable cylinder, a system and a method change a velocity of a machine element within a compartment. A light detector within the compartment determines that the machine element is located...
7650828 Piston and a fluid operated setting device connected therewith  
A piston for a setting device operated by fluid power is suggested. The piston includes a support body having an annular recess with an axis coinciding with the longitudinal axis of the piston,...
7631592 Position measuring system for a hydraulic cylinder  
This invention relates to a position measuring system for a hydraulic cylinder, which comprises at least one sensor, one magnet and a piston rod with a metallic core of high magnetic...
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...
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 and...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...

Matches 1 - 50 out of 450 1 2 3 4 5 6 7 8 9 >