actuation (Total 12700 Patents Found)

A method for estimating the end-of-stroke positions of moving members of electromagnetic actuators for the actuation of intake and exhaust valves in internal combustion engines in which an actuator is coupled to a respective intake or exhaust valve and comprises a moving member actuated magnetically in order to control...
A pressure-measuring head for measuring the pressure of a fluid consists of a membrane-like diaphragm (6), which separates a pressure chamber (4) from a reference chamber (7), to which the pressure-sensitive elements, e.g., thick-film resistors or strain gauges, are applied. Under the effect of the pressure in the pres...
The invention provides a conversation device having a space key for instructing feeding of a printing tape without printing, a pulse oscillator for producing pulses of predetermined period upon depression of the space key, a counter for counting the pulses generated from the pulse oscillator, a one-shot multivibrator f...
Engines and methods of controlling an engine may involve at least one fluid actuators associated with one or more engine intake and/or exhaust valves. Timing of valve closing/opening and use of an air supply system may enable engine operation according to a Miller cycle....
A pinch-protection mechanism adapted for use with a closure panel and method for use of the same, said mechanism comprising at least one structural component defining an adjustable edge section manipulable between first and second configurations and an active material element coupled to the component, such that the cha...
An apparatus with a self-contained, tunable, microfluidic pumping system that utilizes the high air permeability of the matrix material to actuate fluid flow in a network of fluidic microchannels and microstructures is provided. The pumping relies upon partial evacuation of degas/vacuum channels that are located next t...
An actuation member for transmitting force from a drive mechanism to an end effector of a surgical instrument includes an electrically conductive distal flexible portion configured to be operably coupled with an end effector of a surgical instrument and an electrically conductive proximal rod portion connected to the f...
L'invention concerne un dispositif destiné à simuler l'application d'une force sur un élément d'actionnement d'un véhicule, de préférence un simulateur de pédale qui fournit un retour haptique par l'intermédiaire d'une caractéristique force-déplacement prédéfinie, lequel compren...
L'appareil à cames (100) selon l'invention transforme le mouvement linéaire de barres à cames (102) en actionnement perpendiculaire de tiges de soupape (110) dans un système de moulage par injection. Les barres à cames (102) vont et viennent sur des paliers linéaires (146) de manière qu'une plaque d&...
A turbocharger ( 32 ) creates intake manifold boost for a diesel engine ( 10 ) that has a variable valve actuation mechanism. At times, exhaust valve opening (EVO) is increasingly retarded in relation to the engine operating cycle ( 56 ) to cause the turbocharger to increase boost, engine fueling is also increased in r...
An aircraft is provided and includes an airframe, an engine, a drive portion driven by the engine, a rotor apparatus, which includes a rotor rotatable relative to the airframe and a fairing, a gearbox disposed to transmit rotational energy from the drive portion to the rotor to drive the rotor to rotate relative to the...
An SMA actuation apparatus moves a movable element relative to a support structure in two orthogonal directions using a total of four SMA actuator wires each connected at its ends between the movable element and the support structure and extending perpendicular to the primary axis. None of the SMA actuator wires are co...
A detection unit for integration in a luggage compartment of an airplane, having a capacitive sensor with an active layer, wherein the capacitive sensor is adapted to detect a first event triggered by a user, wherein the detection unit is adapted to transmit a first control signal to a control mechanism, wherein the fi...
A steering column assembly for a vehicle includes a support bracket and a column jacket coupled to the support bracket. A compression bracket is mounted to the column jacket. A clamping device is disposed on the support bracket and has a rake bolt extending through the support bracket and the compression bracket for ap...
An electronic device includes a housing, which may be deformable or may include hinges to allow a display, which is flexible, to be deform by bending or other operations. One or more flex sensors detect when the electronic device is deformed at a deformation portion. One or more processors, which include an application...
A continuously variable transmission (CVT comprises a shaft rotatable about an axis, and variator assembly, and an actuator mechanism. The variator assembly includes a pulley supported on the shaft and having a ramp surface, and an endless rotatable device frictionally engaged with the pulley. The ramp surface inclines...
Variable-displacement, single-acting vane pumps in which the cylindrical cam member is adjustably supported within an outer annular cam housing to enable the cam member to be adjustably-rotated relative to the housing to adjust the geometric center of the cam chamber relative to the center of the rotor member and there...
The present invention relates to an actuation device ( 5 ) for shifting an actuation member ( 4 ) between two end positions, in particular for controlling a gas flow in an internal combustion engine, with an armature ( 13 ) which is mounted in a stator ( 14 ) such that it can move between two end positions in a pivotin...
A clutch actuation device, particularly for a manual transmission of a vehicle, in particular a commercial vehicle, includes a clutch actuation setting device that can be placed in various settings, based on which a corresponding actuation of the clutch takes place. The clutch actuation setting device is suitable for g...
A cam can rotate on a camshaft of an internal combustion engine. A rocker arm that actuates a valve of the internal combustion engine can include a rocker pivot connection point located on a distal side of a valve component from a proximate end of the rocker arm that is deflected by action of the cam. The rocker arm ca...
A vectoring nozzle with external actuation generates thrust vectoring by applying mechanical or fluidic actuation, or both, on the nozzle deck, external sidewalls, and/or air vehicle aft body to produce changes in the aft body flowfield and/or exhaust plume. An external mechanical sidewall may be integrated into a nozz...
A circuit interrupting device is disclosed that includes a first conductor, a second conductor, a switch between the first conductor and the second conductor wherein the switch is disposed to selectively connect and disconnect the first conductor and the second conductor, a circuit interrupter disposed to generate a ci...
Disclosed is a safety connector for a hot runner having a valve stem and an actuation plate, the safety connector including: (i) a latch releasably interlocking the valve stem with the actuation plate so that in response to movement of the actuation plate, the valve stem becomes movable; and (ii) a latch mover being co...
A user friendly display structure ( 100 ) for an electronic device ( 102 ), such as a touch screen hand held communications device, is provided with piezoelectric elements ( 126 ) bonded or otherwise secured directly to the back of a display module ( 112 ) generates effective haptics and sound localized to the display ...
The invention relates to a device for the variable actuation of gas exchange valves for internal combustion engines, wherein at least one cam ( 2 ) pertaining to a camshaft ( 1 ) mounted in a housing rotates according to the engine speed. The cam ( 2 ) first drives an intermediate member ( 4 ) which performs a clear os...