Matches 151 - 200 out of 415 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
5308220 Scoop-and-dump jack for shovel-loader  
The invention concerns a scoop-and-dump jack of a loader shovel or a fork of a shovel loader and comprising a piston-rod extension 46a guided in a sealed borehole of the jack cylinder-bottom 43 to...
5305682 Piping and wiring lead-out mechanism for rodless cylinder  
In a rodless cylinder having a piston fitted in a cylinder body for reciprocating movement therein, and a moving member to be moved back and forth along the cylinder body in synchronism with the...
5305683 Pressure-medium actuated linear unit  
A pressure medium linear unit for handling devices for industrial manufacture includes a housing block, at least one operating cylinder for at least one piston, at least one piston rod, at least...
5303641 Method for checking the driving and control system of hydraulic punch brakes  
A method for checking the driving and control system of a hydraulic punch press is provided which comprises the steps of delivering a stop order signal to the driving device, sensing the position...
5299489 Pressure cylinder with low tolerance fit capable of supporting large transverse loads  
A pressure cylinder in which the piston is hollow and the pressurized fluid is introduced into the hollow of the piston. The cylinder housing includes a core member with supply and exhaust ports....
5243897 Magnetically actuated fluid motor  
A magnetically actuated fluid motor has a shiftable member having valve members for alternately closing one and opening the other of large and smaller faces of a stepped piston reciprocating in a...
5241278 Radio frequency linear position sensor using two subsequent harmonics  
An apparatus is adapted to detect the linear extension of a hydraulic cylinder. The hydraulic cylinder defines a variable length coaxial resonant cavity. Under the control of a controller, a...
5231913 Process for the adjustment of a brake power booster travel sensor  
A process for adjusting the travel sensor for a brake power booster movable wall is disclosed to compensate for tolerance variations, in which a fixed stop is installed to engage the output member...
5233293 Sensor for measuring the speed and/or position of a piston in relation to that of the cylinder it moves inside of in a dashpot or shock absorber  
A sensor for measuring the speed and/or position of a piston in relation to that of the cylinder it moves inside of in a dashpot of shock absorber for motor vehicles. The sensor consists of a...
5231352 Power actuator including magnetic position detector  
A power actuator including a movable actuator member at the rear of a casing wall and has means for generating a magnetic field attached thereto, and a magnetic field sensor adapted to be mounted...
5226509 At-a-glance brake travel indicator  
A Brake Travel Indicator for use on a vehicle having a plurality of air brake assemblies secured to the undercarriage of the vehicle and stationary with respect thereto, responsive solely to the...
5222429 Piston assembly for a hydraulic cylinder  
The fluid seals on the currently available piston assemblies are ineffective for blocking the leakage of electrical signals between the piston and the cylinder. The present invention utilizes an...
5213472 Inboard servo for marine controllable pitch propellers  
An inboard servo for a controllable pitch propeller of the force rod type comprises a feedback device comprising a feedback ring located externally of the propeller drive shaft, affixed to the...
5211532 Apparatus for applying a back pressure to a pump drive shaft seal  
An arrangement for applying a back pressure to a shaft seal of a mechanism such as a pump comprises a piston slidable in a cylinder one end of which communicates with the fluid being pumped and the...
5188018 Linear unit with displaceable ball bearing assembly  
The present invention discloses a linear unit, especially an apparatus for the machining, transportation and manipulation of workpieces, with a housing and with a carriage which is movable out of...
5182980 Hydraulic cylinder position sensor mounting apparatus  
Cylinder position sensor apparatuses are useful for monitoring the location of a piston within a hydraulic cylinder. The present position sensor mounting apparatus includes a resilient tubular...
5182979 Linear position sensor with equalizing means  
An apparatus is adapted to detect the linear extension, velocity and acceleration of a hydraulic cylinder. The hydraulic cylinder defines a variable length coaxial resonant cavity. Under the...
5170693 Rotary actuator device with a free floating piston  
A pressure controlled actuator mechanism is disclosed for imparting rotary control motion to devices, such as valves, having rotary control means. The actuator includes a free-floating piston...
5150049 Magnetostrictive linear displacement transducer with temperature compensation  
A method and apparatus for correcting thermally induced errors in the operation of a magnetostrictive linear displacement transducer used to monitor the piston position in a hydraulic cylinder. The...
5150060 Multiplexed radio frequency linear position sensor system  
An apparatus is adapted to detect the linear extensions of a plurality of hydraulic cylinders. Each hydraulic cylinder defines a variable length coaxial resonant cavity. Under the control of a...
5145331 Diaphragm pump  
In a diaphragm or membrane pump, the diaphragm thereof is composed of two diaphragm disks arranged at an axial distance from one another and enclosing an interior space whose size is variable given...
5141295 Brake power booster with diaphragm position sensing devices  
In an anti-lock brake control system having a vacuum brake power booster and a tandem master cylinder, in which the brake pedal is controlled to be positioned forwardly of the initial return...
5138933 Activator device for movable components  
An actuator device for mechanisms located within a pressurized environment including a double acting piston and cylinder combination operating in the same environment. The motive power for the...
5138934 Cylinder with a built-in stroke sensor having an eccentric member  
A cylinder with a built-in stroke sensor which is mounted in a machine or apparatus such as a construction machine used in a severe environment, and which is designed so as to minimize the stroke...
5129311 Piston assembly with primary and co-centric secondary portions  
A piston assembly comprising a primary piston and a co-centric secondary piston. The pistons are received within a housing for reciprocating movement therein and relative to each other. The housing...
5122628 Sudden pressure rise detector  
Apparatus for detecting a sudden rise in pressure of a source thereof is disclosed which is especially useful for activating explosion suppression or isolation equipment by virtue of the fact that...
5115723 Height adjusting device  
A height adjusting device includes an outer cylinder, an inner cylinder disposed inside the outer cylinder, a fluid reservoir confined by the inner cylinder, and a fluid receiving space formed...
5113710 Load measuring apparatus  
A load measuring device for an oleopneumatic load intensifier apparatus which causes a rapid advance of a tool carrying piston rod followed by slow advance of the piston rod at an increased load....
5103172 Piston and cylinder device with fixed conductive guide on periphery of cylinder  
A control device for piston and cylinder units comprises a sensor adapted to be operated by a moving member and arranged on a guide device which has at least one electrical track conductor. Via a...
5052273 Flexible tubular wall pneumatic actuator with position transducer  
A pneumatic actuator includes a tubular body made of a rubber-like elastic material and a braided structure made of organic or inorganic high-tensile-strength fibers reinforcing an outside of the...
5040579 Device for detecting leak in metering cylinder of liquid filling machine  
In a liquid filling machine having a metering cylinder, a piston accommodated in the cylinder with a clearance formed therebetween, and a membrane closing each open end of the clearance to form a...
5031504 Hydraulic jack with a system for checking the position of the piston  
In order to check the operation of high-voltage electric circuit-breakers, proximity detectors are housed in through-bores pierced in the wall of the hydraulic jack cylinder, the through-bores...
5031405 Hydraulic reservoir of master cyclinder  
In a hydraulic reservoir of a master cylinder for vehicle including: a main body having an internal space for storing brake fluid; a float provided with permanent magnet, so arranged as to be...
5024250 Piston type accumulator for hydraulic system  
A piston type accumulator has a detection device that informs a user about the position of the piston incorporated therein. Abnormalities in the hydraulic system operations e.g., a gas leak from a...
5009067 Power transmission  
Apparatus for training an operator in theory and practice of electrohydraulic control systems in accordance with a presently preferred embodiment of the invention comprises a plurality of...
5003864 Geared air actuator  
A geared air actuator comprising a piston mounted for movement within a housing. The piston has a front wall and a hollow body portion which extends rearwardly from the front wall. A spring is...
5002164 Push-rod guide for air-operated diaphragm spring brakes  
An improvement in a conventional air-operated diaphragm spring brake is provided by a guide (100) being disposed in registry with an aperture (26) in a service brake housing (16). A push-rod (10)...
5000077 Enclosed adjustable servo-actuator  
An enclosed adjustable servo-actuator is provided. This servo-actuator includes an elongated hollow cylinder; a first closed end member; a second closed end member; a through passageway is provided...
4995303 Sensor-equipped actuator for power chuck  
A power actuator has a hollow cylinder housing generally centered on an axis, a piston axially displaceable but non-rotatable in the housing and defining therein a pair of axially opposite...
4987823 Location of piston position using radio frequency waves  
An electrohydraulic control system includes an actuator having a cylinder and a piston variably positionable therewithin. An electrohydaulic valve is responsive to valve control signals for...
4987774 Apparatus for measuring the thickness of piston rider rings  
An apparatus for measuring the thickness of piston rider rings includes a probe disposed in the vicinity of the piston rod of a piston in a horizontal reciprocating machine to determine the...
4982652 Fluid operated actuator with recessed position sensor and recessed end cap fastener  
A fluid operated actuator includes a housing having a longitudinally extending aperture with open ends. First and second end caps are attached to opposite ends of the housing forming a chamber...
4973027 Jack  
A jack comprising a casing consisting of two flanges connected by a tubular element in which is sliding a piston connected to a rod itself slidably mounted to extend through one flange, the ends of...
4971523 Dual diaphragm apparatus with diaphragm assembly and rupture detection methods  
A diaphragm assembly includes a pair of superposed flexible diaphragms adhesively secured to an annular spacer ring. The space between the diaphragms and the interior of the rings is filled...
4945818 Stroke indicator for air operated diaphragm spring brakes  
A first visual indicium (44) and a second visual indicium (50) are provided on a push rod (10) in an air operated diaphragm spring brake. The push rod (10) is mounted for reciprocal movement...
4936143 Cylinders having piston position measurement  
A cavity such as a chamber (10) of a hydraulic cylinder (2) containing a movable piston (4) is equipped with transducers (12) for transmitting alternating pressure signals into a fluid in the...
4934902 Failure sensing device for a diaphragm pump  
In accordance with the present invention, a diaphragm pump having a housing, a first chamber within said housing, a second chamber within said housing and a pair of diaphragm elements mounted in...
4914916 Tandem master cylinder with electromagnetic position sensors for each piston  
A brake failure warning system for a dual hydraulic master cylinder for use with a motor vehicle. The warning system employs a pair of Hall Effect magnetic sensors which are positioned on the...
4915017 Diaphragm and a diaphragm-actuated fluid-transfer control device  
A diaphragm for a diaphragm-actuated fluid-transfer control device, which comprises a flexible, substantially non-stretchable diaphragm body of a substantially circular outline surrounded and...
4911276 Method of motor vehicle assembly  
A method of assembling a motor vehicle in which a multicontact switch is provided on the input rod of the master cylinder of a prefilled master and slave cylinder hydraulic apparatus; the master...
Matches 151 - 200 out of 415 < 1 2 3 4 5 6 7 8 9 >