|
Match
|
Document |
Document Title |
|
|
6058967 |
Magnetic activation system for switch
An indicating or activating system has a follower arranged to follow the movement of a valve body. The follower swings about a pivot and moves between two positions. In one of the positions, the...
|
|
|
6019129 |
Valve position adjustable lock mechanism
A valve position adjustable lock mechanism is secured to the handle which is connected to the stem of a valve element to control the position of the valve element and accordingly the size of the...
|
|
|
5813433 |
Faucet with code element
A faucet 10 includes a brass support 42 mounted in a precise location in a housing 12 of the faucet. A slot 60 is formed in the brass support and receives a tab 64 of a color code ring 36 as the...
|
|
|
5806559 |
Method and apparatus for indicating open/closed conditions of a valve as well as a valve having the apparatus
A valve open/closed condition indication apparatus includes a handle base mounted at an upper portion of a bonnet of a valve and having a spiral guide formed on an upper face thereof, and a handle...
|
|
|
5769118 |
Position indicating valve wheel
A position indicating valve wheel (1) having a digit ring (28) in rotating communication with an intermediate wheel (35), both of which are rotatably mounted in a wheel house (1). A driver (51)...
|
|
|
5611368 |
Valve having magnetic force transmission apparatus
A valve having a magnetic force transmission apparatus is disclosed including: a closed body for tightly closing internal components and rotation shaft of the body of the valve, so as to interrupt...
|
|
|
5570870 |
Air flow meter with slide valve for milking machines
An air-flow meter for milking machines, comprising an enclosed housing with a connection to a line that is to be tested for flow and pressure and with an air-intake mechanism with a variable...
|
|
|
5568912 |
Sliding flow controller having channel with variable size groove
A sliding flow controller for controlling flow through a pumping segment used in a fluid delivery system. The flow controller includes a slider that travels along a channel defined by an...
|
|
|
5551477 |
Diaphragm-type flow control valve and manual control valve apparatus
A manual control valve apparatus having a structure which is provided with, as a conversion mechanism, a diaphragm compressor which is held between a valve casing and a guide member, arcuate...
|
|
|
5506570 |
Gasoline dispenser warning announces
A warning announcer for a gasoline dispenser having a pump flow counter, a pump bar switch and/or a nozzle position sensor, a dispenser nozzle, and a nozzle receptacle, including a logic unit, a...
|
|
|
5348270 |
Bladder damper
A damper includes an elastic bladder which is attached to and surrounds a support element mountable in a ventilation duct. The bladder inflates when supplied with fluid to restrict the available...
|
|
|
5325888 |
Pipeline valve transmission apparatus
An apparatus is provided which includes a valve transmission designed to connect a valve actuator to a rotational valve. The valve transmission includes a pinion, a pair of stepped racks, and a...
|
|
|
5230498 |
Live load packing system
An improved live load packing system for sealing an operating valve member in a fluid valve A packing follower includes a base and a guide sleeve adapted for slidable engagement on the operating...
|
|
|
5228342 |
Ultrasonic position sensor and method
An ultrasonic position sensing apparatus for detecting open, closed and intermediate positions of a valve element movably mounted in a valve housing includes an ultrasonic target fixedly attached...
|
|
|
5224512 |
Valve stem driving apparatus
A valve stem driving apparatus comprises a valve stem which has first and second ends, the second end being connected to a valve body. The valve stem is engaged with a stem nut. A distance...
|
|
|
5213057 |
Position indicating apparatus
A position indicator apparatus for a valve of the type having a valve housing and a valve element, includes an actuator spindle fixedly secured to the valve element of the valve and an indicator...
|
|
|
5193469 |
Variable rate fertilizer controller
A variable rate "on the go" fertilizer application controller for use with an agricultural earth working implement comprising a controlled metering device mounted on the implement. The control...
|
|
|
5168896 |
Mechanism for opening and closing valve
A valve operating mechanism produces a rotating force for causing a valve body of the valve to shift relative to a valve seat thereof, so that the valve is opened and closed. A piston of the...
|
|
|
5139048 |
Direct powered gate valve
An enclosed gate valve for handling dry particulate material has a rectangular housing, and a curved flow control blade moves through the housing adjacent a housing inlet. The flow control blade is...
|
|
|
5137052 |
Valve position indicator
The invention defines a position-indicating valve handle that is adapted to be mounted to the free end of a valve stem, wherein the handle includes a spiral groove in which a steel ball is free to...
|
|
|
5105883 |
Casing restriction sub
In accordance with an illustrative embodiment of the present invention, a restriction sub apparatus for use during well cementing operations includes a tubular body having upper and lower internal...
|
|
|
5050638 |
Device for controlling a volumetric rate of flow in a guide tube
In a device for controlling a volumetric rate of flow in a guide tube (1), in particular for controlling the volumetric flow of air in a ventilation system or an air-conditioning plant, an...
|
|
|
5039061 |
Magnetically actuated linear valve operator and method
A valve apparatus for solving a problem relating to fugitive emissions from sliding stem valves provides a valve body and a vertically extending, vertically slideable stem member that actuates a...
|
|
|
5035195 |
Valve shut-off flag
A hinged two piece structure to remind an operator that a valve is on is disclosed. The valve shut-off flag is retained to a valve by a simple clamp and is therefore readily adaptable for use on...
|
|
|
5008841 |
Non-invasive system and method for inspection of valves
A non-invasive system and method is provided for the inspection of check valves which combines acoustic and magnetic techniques. The acoustic and magnetic techniques are used to measure check valve...
|
|
|
4942348 |
Electronic air register controller
A self-contained electronic air register controller can easily be mounted directly onto the outside of an air register. When so mounted, the controller engages the register's actuating lever and...
|
|
|
4907649 |
Restriction subs for setting cement plugs in wells
In accordance with illustrative embodiments of the present invention, restriction subs for use in setting cement plugs in wells include a tubular threaded adapter having an internal annular recess,...
|
|
|
4893582 |
Deck box valve operator and position indicator assembly
A deck box valve operator and position indicator assembly characterized by a sprocket (66) supported by the housing (18) on a plateau (70) adjacent the spindle means (46) and having a plurality of...
|
|
|
4836974 |
Variable linear motion cycle monitoring device
A device for measuring cycles of random reciprocal motion of an object, such as a control valve which moves in discrete movements of varying length between an opened and closed position, includes a...
|
|
|
4832078 |
Quick-action valve
A quick-action valve is opened and closed by a quarter turn. Safe closing with high mechanical advantage is provided, while the valve member is removed completely from the path of the flow upon...
|
|
|
4771807 |
Stepping actuator
A valve choke actuating device utilizes a stepping actuator with a feedback control system. A command signal and a feedback signal are compared to produce a train of electrical pulses proportional...
|
|
|
4718445 |
Position indicator for a rotary valve actuator
A position indicator for and method for applying the same to valve arrangements having a first strip attached to a first movable part and a second strip attached to a second stationary part of the...
|
|
|
4715579 |
Radiator valve incorporating presetting means
A radiator valve having an enclosed pre-adjustment arrangement. In the valve body (10) a plastic insert (36) is disposed, having a coaxial, conical inner surface (38) and a projection (40) provided...
|
|
|
4691893 |
Fail safe gate valves and actuators therefor
There are disclosed several embodiments of a fail safe gate valve and actuator having means for yieldably urging the gate from one position to which it is moved under one or more controlled...
|
|
|
4669500 |
Check valve actuator
The invention disclosed herein relates to a check valve actuator for opening and closing a check valve, utilizing system pressure. The check valve actuator is comprised of a piston connected to a...
|
|
|
4627497 |
Stop valve alarm for sprinkler system
A supervisory alarm accessory for a fire sprinkler stop valve of the type including a rotatable valve actuator driving a valve spindle. The accessory contains an adaptor sleeve connectable between...
|
|
|
4622994 |
Fluid handling device
The present invention provides a fluid handling device which operates as a combination check valve and fluid flow meter. The fluid handling device comprises a housing having an inlet, an outlet and...
|
|
|
4583569 |
Wireline blowout preventer
A ram-type blowout preventer having a removable seal insert contained in an insert cavity formed in the forward end of the ram body. Each seal insert includes an elastomeric body which forms an...
|
|
|
4574836 |
Bypass valve with indicator
A differential fluid pressure indicator including a bypass valve which provides an indication that the filter is in the bypass condition. The bypass valve includes a differential area piston which...
|
|
|
4573493 |
Sequentially controlled water mixer
The invention relates to a sequentially controlled water mixer comprising a valve housing (1) with a cold water inlet connection (2) and a hot water inlet connection (3), and a common outlet (4),...
|
|
|
4570670 |
Valve
A gate valve with inlet and outlet body portions with annular valve seats thereon and a gate assembly movable between open and closed positions between said body portions and carrying sealing rings...
|
|
|
4545406 |
Valve position indicator and method
Disclosed is a method and apparatus for indicating the position of a hydraulically actuated device by measuring the volume of hydraulic fluid flow in and out of the hydraulic actuator together with...
|
|
|
4537385 |
Low emission valve
A low emission valve assembly for use with volatile fluids and incorporating a pair of independent inner and outer metal bellows mechanical seal assemblies with means to compensate for thermal...
|
|
|
4503884 |
Angle globe valve
A multi stage valve (1) having a valve member actuating mechanism located on the wide side of the valve member; (2) having a valve member and seat equipped with plural steps of increasing...
|
|
|
4469119 |
Pilot valve with fusible 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. The apparatus may be either manually disengaged...
|
|
|
4463777 |
Outside screw-and-yoke type valve
One or more grooves are provided to weaken a portion of the stem nut, retaining nut, or yoke bush in a disk/gate valve to provide selective breakage to limit axially directed forces transmittable...
|
|
|
4450861 |
Compressed gas saving device
Compressed gas saving device designed to be implanted in a pipe system connecting a control valve outlet to the inlet of a pressure-user apparatus constituted by a body in which a first passage is...
|
|
|
4438781 |
Spirally wound flow control valve
A valve (20) having a flow control element (30) with a small dimension in the intended direction of fluid flow is disclosed. The element (30) is wound about an axis (32) so that, when the coils of...
|
|
|
4422503 |
Control line blow out preventer
An improved control line blow out preventer valve is provided, having a fluid pressure chamber interposed in a control line extending from a surface control panel to a downhole safety valve in a...
|
|
|
4417600 |
Safety valve
A manually operated valve. The valve has a housing with a uniform outside diameter compatible with the outside diameter of flow conductors attached to the valve. An operating sleeve is movable...
|