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7357152 |
Releasable non-return valve
The invention relates to a releasable non-return valve, in which a connection between a working chamber and a connector chamber may be closed by a non-return piston and opened by the opening...
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7340939 |
Emissions sampling valve
The invention provides a device for use in sampling the exhaust emissions from a turbine engine. The device has a valve array in a manifold housing coupling multiple turbine exhaust lines to an...
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7320456 |
Valve device
A valve element for opening and closing a flow path can be reliably set to an opening position and a closing position. The valve element for opening and closing a communication opening portion...
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7163194 |
Actuator for rotor valve
An actuator ( 16 ) for a rotor valve ( 10 ). The actuator includes a rack ( 86 ) for driving a pinion gear ( 87 ) of the valve. The rack is moved between first and second positions by the action of...
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7156267 |
Valve unit for filling machines
The present invention relates to a valve unit for container filling machines, particularly for bottle fillers. More particularly, the present invention relates to a valve unit ( 1 ), particularly...
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7032876 |
Fluid valve
A valve for controlling fluid flow. The valve include a support element providing a flow path, at least a portion of the flow path extending along an axis of flow through the valve. A flexible...
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7004446 |
Bistable dual-magnet valve unit
A dual-magnet valve unit having a first master magnet ring assembly with an outer casing slidably contained within an outer housing that forms a chamber with the casing of the master magnet ring...
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6971301 |
Asymmetrically accelerated vibrator for feeding materials
An asymmetrical vibrator is provided, which is actuated by compressed air. The vibrator operates in a case, which has two bores disposed parallel on opposite sides of the casing. One of the bores...
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6932318 |
Flow control device
A flow control device comprises an inlet port through which fluid is supplied, an outlet port through which the fluid is delivered, a valve body which is arranged in a passage between the inlet...
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6932315 |
Manual opening apparatus for a normally-closed valve
An apparatus for manually opening a normally-closed valve includes a value and a hand-operated valve opening jig. The valve includes a working rod for operating a valve element which is moved to...
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6913240 |
Electrohydraulic control unit
An electrohydraulic control unit for operating an actuator of a hydraulically controllable device is disclosed. The electrohydraulic control unit comprises a housing including a chamber for...
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6851477 |
Curved flapper with angle variant seat for a subsurface safety valve
A subsurface safety valve for controlling fluid flow in a well bore. In one embodiment, the subsurface safety valve includes a tubular member having a longitudinal bore extending therethrough, a...
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6820645 |
Unlockable non-return valve for very high system pressures
An unlockable non-return valve reduces the tendency of the poppet piston to jam by providing a first insert that has a guide diameter for the poppet piston over just a short section of its end side...
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6808158 |
Hydraulic outlet-valve actuation and method of making and using same
A hydraulic valve control arrangement is provided with a control line of a control cylinder, the control line being connected to a first oil volume, with a first control piston having a first...
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6802295 |
Air intake shutoff device with connecting linkage
An air intake shutoff device is disclosed for an engine. The device includes at least two air shutoff valve assemblies. Each of these assemblies has a gate for controlling air flow into the engine....
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6792844 |
Hydraulic system for aircraft landing gear
A hydraulic system for raising and lowering aircraft landing gear ( 11, 12 ) includes an actuator ( 18 ) which is extendible and retractable to operate the landing gear, the actuator ( 18 )...
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6736092 |
Internal-combustion engine with an electronically controlled hydraulic system for actuation of the valves and means for compensating changes in the operating conditions of the hydraulic
In an internal-combustion engine equipped with an electronically controlled hydraulic system for variable actuation of the inlet and/or exhaust valves of the engine, the hydraulic system for...
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6685164 |
Control valve and diaphragm for use in the control valve
The control valve according to the present invention has a high durability, so that the valve is not easily damaged even in case that the valve is provided in a corrosion gas current path. The...
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6666271 |
Curved flapper and seat for a subsurface saftey valve
The invention is generally directed to a curved flapper and seat for use in a subsurface safety valve. The flapper is biased to a normally closed position to prevent fluid flow through the...
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6659757 |
Valve for injection molding
A valve for controlling the flow of a high pressure fluid is provided. The valve provides a reliable way of controlling the flow of high pressure fluids in applications requiring multiple cycles...
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6651687 |
Pressure relief system with clutch activated valve
A pressure relief system for detecting and correcting an overpressure situation in a pressurized fluid. The system includes a pressure responsive member such as a buckling pin configured to...
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6536740 |
Disconnected piston for a valve actuator
A valve and valve actuator utilizing a disconnected piston design that separates under conditions of excessive actuator internal pressure to prevent overloading and damaging the threaded connection...
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6517342 |
Device for igniting fuel
A device for igniting fuel, comprising at least one burner, the device comprising ignition means comprising an ignition element, the ignition means further comprising a movable element which is...
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6422127 |
Hydraulic actuation arrangement
A hydraulic actuation arrangement including a double-action working cylinder whose working chambers are in communication via a mutually unseatable check valve with one side of a reversible pressure...
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6341758 |
Gas control module switch mechanism
A novel gas control module switch mechanism includes a diaphragm means, a valve body, a piston means and a fastening means. The diaphragm means has a plurality of diaphragms and a seal plate...
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6289926 |
Flapper valve assembly with seat having load bearing shoulder
A flapper valve assembly (120) for controlling fluid flow therethrough is disclosed. The flapper valve assembly (120) comprises a tubular valve housing having a valve chamber. A valve seat (124) is...
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6223824 |
Downhole apparatus
A downhole ball-valve (20) comprises a body (22) defining a bore (32), a valve ball (34) defining a through passage (36) such that the ball (34) may be positioned to permit flow through the body...
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6213106 |
Fluid-operated valve assembly
A fluid operated valve assembly is disclosed including a housing defining a cylinder, a piston arranged for reciprocal motion in the cylinder, a fluid inlet for admitting fluid into the working...
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6149125 |
Positively controlled ball valve
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6138712 |
Controller
A casing 61 is formed with a guide bore 69 having an open upper end for guiding an operating rod 21. An opening-closing indicator 77 is mounted on an upper end of the operating rod 21 and...
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6105929 |
Control valve for gas supply to a nebulizer
A pilot valve permits the delivery of relatively high pressure gas on the order of 30-50 psi directly to the valve. A poppet valve is positioned in the outlet gas delivery tube of the valve housing...
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6053251 |
Reduced travel operating mechanism for downhole tools
A reduced travel operating mechanism for downhole tools is provided. The reduced travel operating mechanism (57) includes a load ratio system (59) which may include compression ring (102) disposed...
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6032921 |
Engine shutdown valve
An engine shutdown valve comprises a housing and a gate movable within a housing between a first position where the air flow through the shutdown valve is substantially unrestricted to a second...
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6015134 |
Pneumatic actuator assembly
An actuator used to close and open a shut-in valve of a flowline. An indicator rod is threadedly connected to a connector which, in turn, is threadedly connected to the valve stem of the shut-in...
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6003605 |
Balanced line tubing retrievable safety valve
A tubing retrievable surface controlled subsurface safety valve 106 is adapted to be positioned in a well tubing string 102 to control the flow through the tubing string. The safety valve includes...
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5833210 |
Brake and clutch control system
A control system for a press having a clutch and a brake includes a clutch control valve and a brake control valve. The clutch control valve operates the clutch by supplying pressurized air to the...
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5829396 |
Hydraulically controlled intake/exhaust valve
A camless valve assembly for an internal combustion engine which utilizes a plurality of three position control valves to open and close the intake and exhaust valves of the assembly. Each valve is...
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5749225 |
Hydraulic systems and valve assemblies
An hydraulic system has an hydraulic cylinder connected to a reversible pump by a first fluid line. A check valve assembly is connected in the first line and in a second line extending from the...
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5623967 |
Pilot switch valve
Piston boxes are attached to both ends of a valve body of a main valve segment having multiple ports and an axial valve port. Projections extending toward the valve port are provided in piston...
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5611646 |
Support prop with integrated pressure limiting valve and nailed pipes
A compact support prop having a pressure limiting valve with a very high flow volume forming a prop head as a valve housing. The pressure limiting valve is integrated into the prop head. Thus,...
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5588464 |
Gas shut-off valve
An automatic safety shut-off system for installation in a gas line or other fluid line which automatically shuts off the flow of fluid in response to an emergency situation. The system is...
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5564457 |
Vacuum breaker valve with CIP capability
A vacuum breaker valve configured for clean in place capability is provided which includes a body having an internal passageway including a chamber, a valve member shiftable within the chamber, and...
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5494078 |
Pneumatic lift device for dual flow valve
Positive adjustable flow is provided for a dual flow valve for paint dispensing or the like utilizing a sliding piston and a lost motion device in combination with an adjustable stop and wherein...
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5494075 |
Hydraulic time delay valve
A hydraulic time delay valve includes a hydraulic timer valve having a valve pressure port, a valve return port, a valve cylinder port and a porting device for porting hydraulic fluid from the...
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5411096 |
Surface controlled, subsurface tubing safety valve
There is disclosed a surface controlled, subsurface tubing safety valve having a tubular body with a bore therethrough disposable in a tubing string, and a flapper which is movable within-the body...
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5395090 |
Valve for high pressure fluid systems
A valve for use in high pressure fluid systems includes means for moving a valve assembly between a position opening fluid flow through the valve and a position closing fluid flow through the...
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5390895 |
Slow vent valve
A slow vent valve for semiconductor wafer manufacturing equipment is disclosed, which generates a gentle flow of nitrogen gas to the vacuum chamber enough to maintain an undisturbed ambient...
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5388967 |
Compressor start control and air inlet valve therefor
A start control for a compressor has an air inlet valve for reducing flow intake when a compressor is started. The valve has a housing with an inlet and an outlet which is connected to a...
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5295508 |
Mixing apparatus for processing liquid multi-component plastics, in particular polyurethane
The mixing apparatus, which is constructed like a known mixing apparatus with return grooves (18, 19) in the control piston (2), has return grooves (18, 19) of a length which is equal to the...
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5241986 |
Check valve assembly for high-pressure applications
A check valve having a valve housing with an outlet fluid passage and a housing valve cavity in communication with each other. A valve body has an inlet fluid passage and a body cavity in...
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