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8104508 |
Valve device assembling structure, plug body, and manual valve
A plug body housing 16 has a receiving recess 17, and the receiving recess 17 includes a first recess 21 opening toward the outside and a second recess 22 connected to the first recess 21. Check...
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8033294 |
Fluid valves having an integral safety shut-off
Fluid valves having an integral safety shut-off are described. An example control valve having opposing seating surfaces includes a first bonnet removably coupled to the control valve. The first...
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7730735 |
Refrigerant service port valve for air conditioners
The refrigerant service port valve for air conditioners has a valve body defining a main fluid conduit adapted for insertion into a coolant line using compression fittings at opposite ends of the...
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7726337 |
Shut-off and reversing valve
A disk-type valve encompasses both throughput control and a distribution function for distributing water through the valve to one of several outlets. A movable control disk for throughput control...
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7634856 |
Method of assembling gas flow control valve
An assembly method includes a step of press-fitting a second valve 27 to a valve shaft 29 to which a first valve 25 is press-fitted and secured while measuring and adjusting a distance L2 so that...
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7533729 |
Reverse cementing float equipment
A regulating valve assembly for regulating fluid flow through a passage, the assembly having: a back-flow valve comprising a seat and a closure element, wherein the closure element engages with the...
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7484522 |
Method to control starter/generator cooling fuel flow during engine starting
The present invention provides a relatively simple way to automatically turn on and off the fuel to a starter/generator cooling system during engine start. The present invention takes advantage of...
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7469707 |
Irrigation control valve and system
An irrigation control valve has two movable members that can independently or in combination block the flow of water in a conduit, or be fully retracted of at some point in-between. A moisture...
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7252109 |
Safety device for a lighting valve of a gas burner
A safety device (61) for a lighting valve (23) of a gas burner, comprising a starting button (36), a return spring (57), a cutoff shutter (42) controlled by the starting button (36), a control...
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7213613 |
High-flow dual poppet valve having equalized closing forces
A dual-poppet valve comprising a valve body having spaced-apart coaxial valve seats and being arranged such that first and second poppets both open into the primary chamber. A first pintle shaft...
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7140384 |
Substrate processing equipment having mass flow controller
A mass flow controller includes a base having a first passage, an inlet portion for introducing fluid into the first passage, an outlet portion for releasing the fluid from the first passage, and a...
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7111642 |
Valve having fast and slow acting closure elements
A first valve portion and a second valve portion are arranged in series in a flow passage within a valve casing to open and close the flow passage. The first valve portion includes a first valve...
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6983894 |
Piezo-electrically actuated canister purge valve with a hydraulic amplifier
A canister purge valve, and an emission control system, for regulating a fuel vapor flow between a fuel vapor collection canister and an intake manifold of an intake manifold of an internal...
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6957655 |
Apparatus for dosage control
The invention is directed to a dose control apparatus for manipulating the dosage of one or more pharmaceutical solutions emanating from an implantable drug infusion pump. The dose control...
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6805154 |
Freeze protection device for wall hydrants/faucets
A freezeless wall hydrant has a fluid inlet end connected to a source of pressurized water, and a fluid outlet end. A check valve is placed in the bore of the valve body and is spring loaded to...
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6797156 |
Faucet water treatment
A water treatment unit is disclosed which can be mounted directly on the faucet or tap of the user's sink and which contains one or more water treatment media and an operating valve which permits...
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6708716 |
Valve assembly
A valve assembly includes a valve body having a passageway and first and second oppositely facing valve seats that extend around the passageway. First and second valve elements are positioned in...
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6644330 |
Unidirectional retroaction electromagnetic valve
A unidirectional-retroaction electromagnetic valve comprises a valve body, O-ring, manual opening unit, and electrically controlled blocking unit. The valve body is connected to a gas source...
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6446657 |
Aircraft air control valve apparatus
Aircraft air control valve apparatus for controlling the flow of pressurized aircraft engine bleed air. The control valve apparatus includes a hollow housing with two end portions with each end...
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6244291 |
Process sampling selection valves
A process control valve is disclosed including a valve body assembly which includes process fluid input and output ports, an actuation pressure port and a vent port. The valve body includes a...
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6192923 |
Electromagnetic flow control device
An electromagnetic flow control device, or valve is provided. The valve uses two sets of stationary electromagnetic windings, with corresponding movable electromagnetic cores, which are completely...
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6182696 |
Dual isolation valve with rectangular flow passageways
A dual isolation valve comprises: a valve body with opposed inlet and outlet ports that defines an inner cavity; a first valve member; and a second valve member. The first valve member (preferably...
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6173735 |
Method and apparatus for regulating gas flow
A pilot-operated, pressure-loaded, movable diaphragm-type gas-flow regulator valve is shown which is used in flow control applications. A regulator body internal port arrangement interconnects two...
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6062246 |
Mass flow controller and operating method thereof
A mass flow controller having a shut off valve in a flow path body as an integral part. The mass flow controller minimize a dead space between the shut off valve and a mass flow control valve to...
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6012486 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Dual isolation valve with rectangular flow passageways
A dual isolation valve comprises: a valve body with opposed inlet and outlet ports that defines an inner cavity; a first valve member; and a second valve member. The first valve member (preferably...
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5901729 |
Material flow control arrangement and method
A dosing apparatus 1 includes a material flow control arrangement 2 including vertical ducting 4 having co-axial therewith a vertically reciprocatory rod 5 mounting at its ends inlet and outlet...
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5894859 |
Compressed gas emergency shutoff valve
A safety valve or a compressed gas cylinder is formed by a tubular assembly projecting into the access port of the cylinder and axially controlling a control valve and elongated stem axially...
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5878773 |
Auxiliary flow path valve
A Flow control valve for a pump suction line permitting flow from an alternate source in the event of partial or complete blockage of a main source. The valve includes a valve housing having a main...
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5863023 |
Valved coupling for ultra high purtiy gas distribution system
Valved couplers and gas processing components particularly suitable for ultra-high purity gas distribution for use in semiconductor manufacturing. In the couplers, a valve stem/bullnose seals the...
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5823229 |
Faucet having multiple water discharges
A faucet having multiple water discharges includes a housing, an input water connection for the housing, a stream discharge on the housing, a spray discharge on the housing, a filtered water...
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5803556 |
Hydraulic brake system with skid control
A hydraulic brake system with skid control is provided with digitally switchable inlet and outlet valves. An inlet valve includes a variable flow area valve control that is actuated as a function...
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5799825 |
Gate seal system
A material storing and dispensing assembly for storing and discharging hot asphalt material, comprising a vertically-extending vessel having a generally cylindrical shape and a top opening for...
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5794666 |
Gaseous fuel filling structure and filling method using the same
A gaseous fuel filling structure includes a coupler connected to a gaseous fuel supply system, a gaseous fuel cylinder that stores a gaseous fuel at a high pressure, a fuel dissipation preventing...
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5743296 |
Valve mechanism with constraint guide means
The present invention teaches a valve mechanism with constraint guide means. Both opening and closing of any valve working according to the principle of the invention is achieved by moving a...
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5727605 |
Device for filling the reservoir of a spray for plant-protection products
A filling apparatus comprising a device (4) for connection to a source of water under pressure and a nonreturn valve (7) placed in fluid communication with the device (4) and mounted to allow...
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5715863 |
Tube quick disconnector
A connector for joining two tubes together. A female connector with a cavity made of resilient material such that when the male and female connectors are joined the leakage from the tube ends is...
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5699832 |
Faucet water input connection
A water input connection for a faucet includes a body which has a water inlet and a water outlet. There is a chamber within the body and there is a seat adjacent the water inlet. An antisiphon...
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5669409 |
Gas-pressure controller
The gas-pressure controller according to the present invention is characterised in that an obturator disc (9) is connected to a valve spindle (7) on the inlet side so that it can move axially. The...
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5664759 |
Valved coupling for ultra high purity gas distribution systems
Valved couplers and gas processing components particularly suitable for ultra-high purity gas distribution for use in semiconductor manufacturing. In the couplers, a valve stem/bullnose seals the...
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5630441 |
Self-closing liquid/gas control valve
A self-closing control valve for stopping the penetration of propellant gas into a liquid dispensing system, upon the exhaustion of the liquid from its supply vessel. The valve is easily assembled...
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5620023 |
Exhaust-control valve for an electromagnetic pump
An exhaust control valve for an electromagnetic pump is disclosed. By the exhaust control valve, pressure and quantity of exhausted oil is maintained constant, noise is reduced, an incomplete...
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5546986 |
Leakproof dual action fluid transfer valve
A leakproof dual action valve which is operated by its relative state of engagement and disengagement to a complementary, mating spring-actuated valve connected to a fluid supply. The dual action...
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5465754 |
Valve arrangement
The main valve slides in the direction for its opening when the plunger is pushed in. This causes the nozzle hole and the main valve's operating bore to be communicated, which then causes the...
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5465752 |
Multi-function valve for a riser in a sprinkler system
A multi-function valve for installation in a riser of a sprinkler system provides two valve functions. One function is to stop flow automatically when breakage of a sprinkler head causes the flow...
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5370359 |
Manual seal coupler
A coupler for connecting the service port of a refrigeration fluid-containing system to an exit conduit has a stem threadably for axial movement within the coupling body between a first open...
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5345968 |
Rotary magnetic valve for low noise low wear operation
A rotary magnetic valve including a cylindrical housing having flow passages in both ends and a magnetically-responsive valve closure assembly rotatively mounted therein. The valve closure assembly...
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5332002 |
Gate valve
There is disclosed two embodiments of a gate valve having a pair of parallel-sided gates for opening and closing a flowway through the valve body upon reciprocation within a gate cavity...
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5247964 |
Valve with redundancy on closing
A valve with redundancy on closing comprises a single valve body, first and second substantially hemispherical hollow valve members disposed inside said valve body, each including an orifice...
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H001226 |
Quick disconnect coupling
A quick disconnect coupling device formed from a female coupling portion a male portion for mating therewith. The outside diameter of the male portion is equal to the inside diameter of the female...
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5215120 |
Apparatus and method for reducing valve emissions
The present invention is directed to a valve system which upon disconnection essentially eliminates the release of liquids and vapors to the atmosphere. The invention includes a precision machined...
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