Matches 1 - 50 out of 176 1 2 3 4 >
Match Document Document Title
7380293 Safety valve for toilet tank  
A filling system for a toilet tank prevents continual flow to the tank in the event of a leak from the tank by providing a hydraulically actuated safety valve for halting water flow to the filling...
7246634 Drill for tapping pipe with safety device in branch pipe  
A fitting for connection to a pipe includes a sleeve, in which a body is axially displaced along a sleeve axis, whereby the body has a drill for drilling into the pipe and/or a valve body of a...
7231937 Automatic shutoff valve  
An automatic shutoff valve is provided. The valve is preferably constructed of a check valve (which is normally shut) and a shutoff valve which is open during static, no-flow, operation. Upon...
7219688 Fluid control valve  
A fluid flow control valve includes a housing having a fluid inlet and a fluid outlet, which define a flowpath therebetween. Within the housing is a chamber located in the flowpath between the...
7216668 Interruption valve with automatic reset  
A fluid valve ( 10 ) that interrupts the flow of fluid when backpressure ceases. The valve ( 10 ) consists of a valve body ( 20 ) having an inlet ( 22 ), an outlet ( 24 ), a piston chamber ( 32 ),...
7178544 Combination shut-off and resetable excess flow valve  
A valve operable with an associated fluid delivery system having fluid flow therethrough includes a housing, a valve body and a resetable excess flow valve. The housing has a first passage and the...
6920895 Combination surge supression and safety shut-off valve  
A surge suppressor and safety shut-off valve is described which automatically shuts off fluid flow in response to a sufficient pressure differential across the valve. The shut-off valve comprises a...
6644345 Flow control valve  
A flow control valve is disclosed having a cylindrical housing having inlet and outlet ends and a central portion there between; a piston slidably disposed within the central portion and having a...
6443180 Hydraulic line adjustable velocity fuse with damping  
A velocity fuse for a hydraulic line shuts off fluid flow when the flow rate exceeds a preset flow value. The shut off value may be adjusted while the fuse is mounted in the hydraulic circuit. A...
6408870 Flow control valve  
A flow control valve is disclosed having a cylindrical housing having inlet and outlet ends and a central portion there between; a piston slidably disposed within the central portion and having a...
6123100 Ammonia excess flow valve  
An ammonia excess flow valve has a seal ring (24) slidably positioned around at least two retainer vertical members (22B). A disk (26) has a disk central opening (26A) and a disk pin opening (26B)...
5960821 Flow sensor device and associated vacuum holding system  
A flow sensor device includes a main passage having a normally open shut off valve therein which is configured to shut off at a predetermined rate of air flow therethrough. The shut off valve...
5791372 Relief valve  
The invention intends to provide a relief valve which can prevent malfunction caused by generation of negative pressure lowering the minimum pressure to be originally maintained by a load circuit....
5752544 Device for feeding a distribution network with gaseous fluid  
Each gas expansion station of a distribution network fed with gas in accordance with the invention comprises at least one regulator-expander provided with a valve member disposed on a main duct, a...
5524592 Anti-siphon and anti-leanout fuel valve  
A flow control valve for an internal combustion engine fuel delivery system that includes a valve body having a fuel inlet for connection to a fuel supply and a fuel outlet for connection to the...
5474105 Overrun control device  
A pneumatic fluid flow limiting device which is pressure compensated and resets automatically when the pneumatic fluid driven device is shut off. Pressure compensation is accomplished by a vented...
5445184 Magnetic valve reset mechanism  
The present invention comprises of a reset mechanism particularly suited for use within magnetic valves. The reset mechanism will insure the desired return of a magnetic valve to its normal...
5365965 Hydraulic automatic shutdown valve system  
A hydraulic automatic shutdown valve system is described to minimize the cost and clean up associated with hydraulic fluid spills. The valve system senses a pressure drop in a fluid system and...
5295534 Pressure monitoring of a producing well  
A well pressure monitoring system in which a hydrocarbon fluid is being produced through a Christmas tree or similar flow controller apparatus. Well pressure is transmitted through a tap-off...
5241984 Flow valve  
An elastically movable valve having a through hole is installed at a required position in the path of a fluid. At the time of normal operation, the fluid is allowed to pass through the through...
5238020 Hydraulic valve  
This hydraulic valve has a housing (2) with a feed line (12) and a discharge line (14) for a fluid. A sealing point is provided between the feed line and discharge line. A spring acts in the...
5080181 Pressure detecting device for torque control wrench  
A pressure detecting device in a torque control wrench has a rotor to be rotated by high pressure air, an output shaft and a device for generating impulse torque with the use of oil pressure on the...
4976281 Safety valve assembly for fluid system  
The safety valve assembly of the present invention for use in a closed fluid system comprises a valve housing including a central throughbore divided into an inlet end and an outlet end which...
4880030 Safety flow control fluid shutoff device  
A device for use as a safety device to cut off the water supply to a house or building in the event of overly high water consumption due to a leak or break in the plumbing in the house or building...
4665932 Automatic safety device for fluid duct  
An automatically and independently operating safety device for triggering a total or partial closure of a guard or safety valve member when the velocity of a fluid circulating in a conduit attains...
4637427 Magnetic valve  
There is disclosed a reset mechanism particularly adapted for use within a magnet valve in which the reset mechanism comprises a passageway within the valve housing connecting the inlet and outlet...
4605039 Runaway protective fuse valve  
A runaway valve for an air-driven material pump that shuts off air flow to the pump when air flow rate exceeds a predetermined setting to prevent pump damage, wherein the valve includes a...
4597409 Safety device against overpressure particularly for gas pressure control apparatus  
The high pressure of a gas transport network must be reduced before the gas is admitted to a distribution network to which consumers, e.g. household appliances are connected. This reduction is...
4590962 Gas fuse  
A gas safety valve is provided which has a valve chamber within a housing, and a gas inlet and outlet respectively communicating with an inlet and outlet end of the valve chamber. Valve means are...
4535797 Automatic shut off valve  
An automatic shut off valve comprising a housing having a main inlet, an outlet, a user inlet and a user outlet. A valve assembly is contained within the housing and is movable between an open and...
4522229 Safety device for water-pipes  
The safety device makes it possible to cut the water supply off quickly when there is a very low flow of water such as occurs when there is a leak, to cut off the water supply after predetermined...
4471803 Flow limit shutoff valve  
A flow limit shutoff valve for automatically shutting off all flow between a source of high-pressure gas and a pressure regulator when that flow exceeds a preset flow rate. The flow to the shutoff...
4471797 Hydraulic circuit breaker reset device  
A hydraulic system includes a pump, a reservoir, and an actuator system. A hydraulic circuit breaker is arranged to compare fluid flow to and from the actuator system and to shut off this flow in...
4465093 Hydraulic fuse valve  
A fluid fuse operable to shut off fluid flow upon rupture of fluid conducting line downstream of the fuse. The fuse is actuated by two forces generated by pressure differential caused by sudden...
4463773 Safety shut-off valve  
A safety shut-off valve opening a flow path between the primary and secondary sides in case of usual operation, while shutting off the aforesaid path in response to an emergency shut-off signal,...
4347868 Relating to devices for the closure of fluid flow lines  
A device for closing a fluid flow passage in response to a decrease in vacuum pressure existing in the passage. The device comprises a fluid flow passage with a seating therein. A diaphragm is...
4347867 Safety valve  
A safety valve (14) adapted to be inserted within a flowline (10) comprises an elongate valve body (16) having central bore (24) with a fluid inlet (40) and a fluid outlet (42) in fluid...
4345593 Pressure-demand breathing apparatus with automatic air shut-off  
A face mask is connected to a source of breathing fluid through a pressure-demand regulator and a supply line. The regulator admits breathing fluid to the mask on demand and maintains a positive...
4345592 Pressure demand regulator with automatic shut-off  
A pressure demand breathing apparatus having a facemask connected through a pressure demand regulator with a shut-off device that operates automatically to interrupt the supply of air to the mask...
4281790 Safety shower head  
This shower head serves to replace existing shower heads, and when the water becomes too hot for safety, it is so designed, that it will stop the hot water flow from striking the bather. It...
4201244 Auxiliary safety valve for a pressurized fluid system  
An auxiliary safety valve for interposition in a pressurized fluid system including a cylindrical valve body having threads for connecting the valve body to the outlet end of a pressurized...
4195658 Resettable safety valve  
An improved resettable safety valve for preventing the escape of gas from a closed gaseous system wherein an inlet line is attached to the inlet chamber of the valve and an outlet line is attached...
4188971 Fluid cutout valve  
A valve disposed in a fluid system for cutting off the flow of fluid from a ource of that fluid to a fluid-using environment upon the occurrence of either an excess or unduly high fluid flow rate...
4167194 Automatic cutoff and tester apparatus of gas supply  
Automatic cutoff and tester apparatus of gas supply is shown which utilizes a diaphragm powered valve, a disk which closes an intermediate opening of a gas pipe, and a gas distributor plenum which...
4129141 Scram valve  
The scram valve has a closing piston which can be controlled by a pilot valve in a pressure medium supply line to the closing piston. The pilot valve has a control piston which is spring biased on...
4071038 Failsafe fluid control valve  
A displaceable frusto-conical channel is provided typically axially in-line in a housing, the housing being interposed in a fluid supply pipe, e.g. a water supply line. The truncated smaller end of...
4067359 Reset assembly for slam-shut valves  
A slam-shut valve or overpressure shutoff device used in series with, and upstream of, a pressure regulator to provide overpressure protection for apparatus downstream of the pressure regulator in...
4010770 Velocity flow control valve for fluid line  
A velocity flow control valve employed in a branch line between a main flow line and pressure responsive pilot valves in a safety system for closing a valve across the main flow line. The flow...
3971404 Hydraulic runaway control valve  
Apparatus for controlling the flow of fluid in pressurized lines; and for closing a valve and stopping said flow whenever downstream pressure drops below a predetermined value, is disclosed. The...
3887158 Blow out preventers  
A blowout preventer for sealing off around a flexible line to prevent hazardous leakage of well fluids, which is held in an open position by control fluid pressure actuated means and moved to...
Matches 1 - 50 out of 176 1 2 3 4 >