Matches 1 - 24 out of 24


Match Document Document Title
US20130233408 CABIN PRESSURE CONTROL SYSTEM WITH MULTIPLE OUTFLOW VALVES AND METHOD OF CALIBRATING THE OUTFLOW VALVE POSITION FEEDBACK DURING FLIGHT  
A method of calibrating an outflow valve on an aircraft may include determining if the aircraft has reached a predetermined cruise condition. The outflow valve may be moved until a closed position...
US20120298381 Self-testing and self-calibrating fire sprinkler system, method of installation and method of use  
A Self-Testing and Self-Setting residential fire pump system for residential fire protection. The system is designed to boost pressure into a residential sprinkler system when water supply is...
US20140013820 Ported Bushing for a Pressure Switch Housing  
A ported bushing for use with a pressure switch for monitoring the pressure of pressurized hydrocarbons flowing through a pipeline is provided, the ported bushing having a main body containing a...
US20140338421 DEVICE FOR TESTING PRESSURE SENSORS FOR INTERNAL COMBUSTION ENGINES  
The invention relates to a device for testing pressure sensors for internal combustion engines, comprising a pressure chamber, which has an inlet opening, an outlet opening, and a test opening for...
US20100018284 STATIC RIG FOR VALVE TESTING  
A static test rig, for a safety valve having an inlet and a disc movable to open and close the valve, comprises a test table having an aperture therethrough over which the valve can be mounted...
US20130219877 System and Method for Calibrating Hydraulic Valves  
A system and method for calibrating an electronically actuatable hydraulic valve in a work machine may include at least one supply valve and at least one drain valve to be calibrated and a bypass...
US20090314055 SYSTEM TO CONTROL PRESSURE IN A TEST DEVICE  
Embodiments of the present invention are directed toward pressure controllers and calibrators for setting or measuring pressures in test devices. In one embodiment, the pressure controller...
US20120167996 Valve Controller Automatic Calibration Without User Interface  
A valve controller may have inputs that can be programmably set to one of several functions. A first function is for use as a event monitor, whereby a signal at the inputs may cause the valve...
US20100236319 VALVE TESTING  
Apparatus for testing a safety valve by applying a force to the valve stem and detecting the resultant motion of the valve. The actuator used is generally a hollow cylinder of piezoelectric...
US20090178463 METHOD AND APPARATUS FOR FLUID PRESSURE TESTING  
A method and apparatus for testing the functionality of automatic air valves positioned at high points of a pipeline system are provided. The invention generally provides a testing flange and a...
US20100155634 PERFORMANCE MONITORING AND PROGNOSTICS FOR AIRCRAFT PNEUMATIC CONTROL VALVES  
A method estimates the health state of an aircraft pneumatic control valve through indirect measurements of available sensors. Measurements from identical valves operating under the same condition...
US20100090521 Method for the Calibration of Analogized Valves in a Pressure Control Device  
Method in which an electromagnetic valve in an electronically controlled pressure control device is calibrated, wherein the differential pressure prevailing at the valve which is to be calibrated...
US20090007626 Adjusting Element  
An adjusting element with a cylinder which is closed at one end and filled with a fluid under pressure, wherein a piston which is displaceable axially in the cylinder divides the cylinder into a...
US20100257916 ACCURACY ENHANCING VALVE ASSEMBLY AND RELATED METHOD OF USE  
The invention is directed to a method to improve accuracy of a meter. The method first contemplates introducing a desired fluid into a valve assembly having an external casing with an inlet,...
US20110302990 Automatic Valve Calibration of a Blown-Film Extrusion Apparatus  
The present invention relates to a method of automatically calibrating a valve in a fluid flow path of a blown-film extrusion apparatus. The calibration process detects and measures a first and...
US20090272616 METHOD AND APPARATUS FOR CLUTCH PRESSURE CONTROL  
A method, apparatus and system for controlling transmission clutch system output pressures is provided. A transmission control unit and a pressure control device including an electro-hydraulic...
US20100263433 VALVE TESTING  
Testing of a safety valve is described in relation to a valve stem biased relative to a valve body, and comprising a rotor mounted helically on said valve stem, and a driver adapted to rotate the...
US20100154507 Paravalvular Leak Test Apparatus and Method  
An apparatus and method for measuring paravalvular leakage from a prosthetic heart valve in vitro. The apparatus has a pulse chamber pressure vessel and a pulsatile pump. The sewing ring of a...
US20160327181 VALVE ASSEMBLY CALIBRATION  
A method for correcting calibration of a closure member on a valve assembly. The method can include comparing a calculated value to an expected value, each relating to a position of a closure...
US20160273676 PRESSURE CONTROL FOR CALIBRATING PROCESS CONTROL DEVICES  
A method of calibrating a positioner includes determining a pressure value corresponding to a particular state of an actuator, wherein the actuator is controlled by the positioner, and controlling...
US20160245314 METHOD AND TEMPERATURE TRANSMISSION COMPENSATION  
A method is disclosed for determining off-temperature behavior of a solenoid fluid control valve. The method comprises performing a current sweep at a first temperature. The method further...
US20160084405 ONLINE FULL STROKE TESTING OVERPRESSURIZATION SAFETY RELIEF VALVE  
Cycling, self-checking, fail-open block valve system that continuously cycles such that the user of the block valve system can determine if the system is operational at all times. A dual port,...
US20150369393 PRESSURE REGULATOR  
A pressure regulator for liquid media includes a through-flow path which extends between two connections for a medium-conducting line. The through-flow path is equipped with a valve seat which can...
US20150285399 Visualization of Tests on Lift-Type Check Valves Using Phased Array Sequence Scanning  
A computer with a proper program generates a phased array sequence of signals. In a pulser with delays, the signals are fed through a multiplexor into multiple water wedges that are attached to a...

Matches 1 - 24 out of 24