Matches 101 - 150 out of 222 < 1 2 3 4 5 >
Match Document Document Title
4411288 Valve position indicator with variable indicator plates  
This invention relates to a valve position indicator for buried valves having a rotatably operated shaft extended to ground level. A sealed gear box unit non-rotatably mounted inside the valve...
4407326 Valve actuating mechanism  
A valve actuating mechanism is disclosed and includes deactivating override means responsive to valve malfunction, such as sticking or binding of the valve. A drive motor is operatively connected...
4355658 Pilot valve with indicating lockout knob  
There is disclosed an apparatus for manually locking a pilot valve in an in-service position, independent of an actuating, or pilot, fluid pressure, so long as such pilot fluid pressure is below a...
4342331 Hydraulic control- and/or measuring device, particularly solenoid-controlled flow regulating valve  
The hydraulic control- and/or measuring device has a housing and a socket-shaped control slider movable in a cylindrical bore in the housing between an open position in which it passes a pressure...
4328820 Constant-flow regulator for gravity-fed liquids  
A constant-flow regulator for use in gravity-assisted liquid-delivery systems, wherein the regulator comprises: upper and lower cylindrical elements secured together for movement to form a chamber,...
4327768 Bottom outlet valve open and closed indicator  
In accordance with the present invention an open and closed position indicator assembly is provided for use with a bottom operable tank car valve assembly. An operating shaft for the lading valve...
4316145 Fluid pressure actuator with proximity position sensor  
A fluid pressure actuator is disclosed of the type such as a hydraulic cylinder, having an arrangement for sensing the position of the piston and operating rod assembly at points within the...
4297966 Valve indicator post  
An indicator post is disclosed for an underground valve or a valve within a building. The indicator post is an improvement over existing units because it has panoramic windows allowing viewing from...
4263937 Scanning valve  
A scanning valve for a multi-point gas pressure measuring system, employing a pressure transducer, having a commutator and its drive. The commutator has a stator having an inner space defined by a...
4258748 Operating arms forming part of line valves  
An operating lever for opening and closing line valves is of generally rectangular shape and includes a body which is connected at one end to the stem of the line valve and is provided with a...
4245662 Heat responsive back seat arrangement for valve operator with fusible lock-out cap  
A valve operator for a normally open valve is maintained in a cocked, ready to close mode by an arrangement which includes a radially contracted, self-expansible split retainer ring backed by a...
4215816 Thermally controlled valve with safety inspection feature  
Thermal actuating or like apparatus in which a sight conduit is comprised in a valve housing enabling the changing position of a thermal actuator within the housing to be observed from outside the...
4199834 Pig ball transfer unit  
Similar transfer units are disclosed for launching pig balls into a pipeline and for receiving the pig balls from a downstream portion of the pipeline, each of the transfer units including a hollow...
4197872 High pressure dispensing system for mixed liquids  
An accurate amount of a chemical concentrate is injected and mixed into a pressurized carrier liquid stream and dispensed by employment of two calibrated in-line valves in the line siphoning the...
4194533 Control circuit for pneumatic shift register  
The invention provides a control circuit for a pneumatic shift register constituted by phase cells associated with an assembly of two threshold relays, each having a supply input and a control...
4186760 Fuel control assembly for burners  
A fuel control assembly includes a valve closure member, a fuel inlet restricting member, and a fuel outlet cleaning member which are connected together for simultaneous movement. The valve closure...
4181160 Method and system for checking the introduction of a filler pipe into a tank  
In filling a tank, e.g. of a lorry or wagon, with a liquid, particularly a hydrocarbon, by lowering a pipe under the control of a double acting hydraulic jack into the tank to the bottom and then...
4164959 Metering valve  
An axial flow metering valve includes a valve body having an inlet, an outlet, a valve chamber therebetween and a passage for fluid between the inlet and the valve chamber. A valve member is...
4164239 Hot and cold water ratio and volume manual device  
In a mixing valve assembly a rotatable control valve is provided for mixing in a desired ratio the fluid from two separate sources such as hot and cold water inlets. The valve porting is arranged...
4148339 Guide means for indicating check valve  
Discloses a guide means for an indicating check valve and leak indicator utilized for indicating the position of a valve closure means relative to spaced apart inlet and outlet ports. The invention...
4133288 Device for indicating the operative position of a valve  
A rotary actuator for a valve is associated with an indicator mechanism provided entirely exteriorily to the housing of the valve and out of axial alignment with the valve spindle. The indicator...
4074696 Pressure relief valve operation signal  
An indicator to show that a pressure relief device has operated. The indicator of the invention comprises a flexed spring which is released to move to an upright position when the pressure relief...
3921665 Limit valve with overtravel detector  
A fluid limit valve, comprising: a valve body having aligned valve bore and tem counterbore; transverse input and output fluid channels opening into the valve bore; a valve member slidable in the...
3921664 Vacuum powered ball valve fuel control  
The invention provides a vacuum powered motor device which can be inserted in the fuel line of a motor vehicle between the fuel pump and the carburetor. The device comprises a valve having an inlet...
3914754 Machine element position detection system  
A positional detection system employs a transmitter of a stream of coded fluid pressure wave pulses connected by a waveguide to a plurality of outlets arranged adjacent various operative machine...
3910308 Signal handle for valves  
A handle assembly secured to a conventional valve stem, provided with indicia to indicate whether or not the valve is opened or closed.
3878862 Pneumatic valve position indicator  
A device for use with a valve having a longitudinally moveable valve stem to indicate that the valve has moved between selected positions. The device includes a pressure release valve connected...
3878863 Pilot valve system  
A pilot valve for sensing a first fluid pressure such as a well flow line and controlling a second fluid pressure of a system such as a well safety valve in response to a change in the first...
3815627 VALVE ASSEMBLY  
A valve assembly capable of providing a substantially constant rate of flow in a fluid system and of measuring total fluid flow.
3799037 VALVE ATTACHMENT  
The valve attachment is intended for use on a tubular valve holder and comprises tubular structure defining a prismatic cavity, a diaphragm sealing said prismatic cavity from one end of said...
3799195 DEVICE FOR CONTROLLING A MIXTURE OF TWO GASES  
A device for controlling a mixture of two gases comprises two nozzles mounted in the extension of one another and movable one with reference to the other, a ring, provided with an internal screw...
3789875 FLUID PRESSURE ACTUATED VALVE OPERATOR  
The valve operator preferably includes electrical or fluid pressure means for indicating the open or closed condition of the valve at a remote location. Means are provided for exerting additional...
3785338 SYSTEM FOR INDICATING THE POSITION OF A CONTROL MEMBER ADJUSTABLE BY MEANS OF A HANDWHEEL AND SPINDLE  
A system for indicating the position of a control member adjustable by means of a handwheel and a spindle, in which the handwheel or a part connected thereto has an aperture and a surface provided...
3768510 METHOD AND APPARATUS FOR FLOW RATE CALIBRATION  
A flow rate calibration apparatus and method therefor is designed to accurately calibrate the flow rate of very small streams that are difficult and potentially dangerous to handle. The apparatus...
3743015 MUD SAVER VALVE  
A mud saver valve adapted to be disposed below a kelly for controlling the discharge of mud through the kelly into the drill string and for preventing loss of mud at the derrick floor from the...
3682196 VALVE POSITION INDICATOR AND HYDRAULIC SYSTEM USED THEREWITH  
This invention provides a flow meter type valve position indicator for use in a hydraulic valve control system having a hydraulic valve actuator and a relief valve arranged to limit the hydraulic...
3656504 BURIED VALVE POSITION INDICATOR  
A valve position indicator for buried valves having a rotatable operator shaft extended to ground level. A pipe upright is positioned about the operator shaft and extends to ground level. An...
3654891 GAUGE CYLINDER ASSEMBLY FOR POSITION INDICATOR AND INDICATOR SYSTEM INCLUDING SUCH CYLINDER  
A volumetric gauge cylinder for a position indicator comprising a closed cylinder having connections for pressure fluid at its ends. A non-rotatable axially movable piston is capable of movement...
3646958 QUICK-ACTING VALVE WITH ROCKER-TYPE OPERATING BUTTON  
A spring, preferably additionally connected to a ball, is interposed in the motion transfer mechanism from a rocker-type operating button to the valve element of a quick-acting valve, the spring...
3581765 PUSHBUTTON-CONTROLLED VALVE FOR FEEDING FUEL GAS TO A BURNER FOR GAS STOVES OR THE LIKE, WITH A SYSTEM FOR VISUALIZING OPERATING CONDITIONS  
A valve device with tripping pushbutton control for fuel gas feeding to a burner, the pushbutton comprising a member shiftable by each actuation of the pushbutton and carrying indication marks...
3566907 INLINE VALVE POSITION INDICATOR  
Inline valve position indicator, wherein the valve includes a poppet assembly having a piston and valve closure member driven pneumatically into open position and mechanically into closed position,...
3559689 20 MAN RAFT CO2 INFLATION VALVE  
The following relates to a fluid pressure distributing mechanism for inflating a life raft which permits automatic venting of the raft inflation chambers when the raft is in a noninflated state and...
3552433 CONCENTRIC SPOOL VALVE  
A device which compares the position of concentric spools which normally move in unison. Any disagreement in the relative position of the spool positions above a predetermined amount uncovers a...
3548871 AIR FLOW CONTROL  
3534772 ELECTROMAGNETICALLY CONTROLLED VALVE ARRANGEMENTS FOR FLUIDS  
3534773 TAMPER PROOF VALVE  
3525359 RANGE ADJUSTMENT FOR A TILTING VALVE WITH A FLOATING LINK OPERATOR  
3516435 ACTUATING MECHANISM OF FLAP AND SLIDE VALVES,PARTICULARLY FOR TANKERS  
3512550 FLUID PRESSURE CONTROLLED VALVE  
3505972 DECK BOX FOR A VALVE OPERATOR  
Matches 101 - 150 out of 222 < 1 2 3 4 5 >