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8171953 Tank pressure and vacuum relief device  
Particular embodiments of the present invention include devices and methods for relieving excess pressure or vacuum pressure from a tank interior. An embodiment of a pressure relief device includes...
8132558 Common rail fuel pump with combined discharge and overpressure relief valves  
A high pressure piston fuel pump having a discharge check valve between the pumping chamber and a pressurized fuel reservoir and a pressure relief valve between the fuel reservoir and a passageway...
8127910 Latching frictional engagement assembly using a check valve  
A frictional engagement assembly for an automotive device, including: at least one frictionally engageable plate; a first piston plate displaceable in a first axial direction to urge the at least...
7997296 Air valve device  
An outdoor lighting device includes a housing, at least one power supply device and at least one arrayed lighting unit. The housing has a surface forming at least one reflection zone and the...
7931452 Suction throttle valve of a compressor  
A compressor has a suction throttle valve, which includes a suction passage, a suction port, a valve body, an urging member, a valve chamber, a first communication hole, a closing valve and a valve...
RE41861 Decoupled check-relief valve  
A decouple check-relief valve for use in a hydraulic fluid circuit is provided that has a cylinder guide housing which travels during the check function of the valve. The cylindrical guide housing...
7743787 Mud saver valve with magnetic latching  
A mud saver valve for retaining drilling fluid in the Kelly of a rotary drilling rig for insertion into a Kelly sub with an enlarged opening inside having a valve and hollow piston closing the flow...
7574860 Damper valve and hydraulic power steering apparatus  
A damper valve includes first and second chambers separated by a partition wall, hydraulic oil flowing from the first chamber to the second chamber via a supply path, and returning to the first...
7530469 Valve device having two membranes for a drinking container  
An underpressure-activated valve device for a drinking container (32). The device consists of an outer membrane (2) and an inner membrane (4) that are placed at an axial distance from one another,...
7527070 Flow control valve and method  
A method for controlling fluid flow through a passageway includes slidably disposing a piston having a conduit that reduces the flow area through the passageway in the passageway and selectively...
7481320 Filter device having a bi-directional valve  
One advantageous embodiment of the invention is a filter device (10) for filtering a fluid and providing three or more substantially continuous directions of flow therethrough. The filter device...
7438081 Valve for an inflatable and method of use  
A valve for an inflatable includes both inflation/deflation and pressure release functions. The valve has a housing which receives a core, a spring, and a nut. The nut is threadably received by the...
7401623 Double-acting valve unit  
A hydraulic system includes a charge pump which supplies fluid to variable displacement main pump, a fluid reservoir and valve unit. The valve unit includes a hollow housing having a first end...
7392823 Combination valve  
Improvement in a combination valve including check valve and pressure relief valve portions for regulating fluid flow pressure and direction in a hydraulic circuit, wherein a valve seat includes,...
7363940 Flow-rate restrictor insert for orifice expansion device  
A generally cylindrical restrictor insert for containing an axially movable, apertured restrictive member, housed in a flow control distributor housing of an orifice expansion device used for...
7343927 Blocking element, especially an explosion protection valve  
A closing body (3) which is mounted in a housing (2) in such a way that it can be axially displaced and can be pressed out of an opening position against a valve seat (4) into a closing position....
7318592 Motorcycle steering damper  
According to the invention, there is provided a steering damper (10) in which the interior of a cylinder (12) is divided into two oil chambers (A), (B) by a piston (14) which slides in the cylinder...
7243676 Combination umbrella and inverted bi-directional valve  
A combination valve including a valve body having an inverted bi-directional valve portion and an umbrella portion is disclosed. In accordance with one aspect of the invention, a combination valve...
7240676 Tracheotomy valve unit  
A tracheotomy valve unit for use with a tracheotomy tube inserted into a patient's trachea comprises a first end for connection to the tracheotomy tube, a second end comprising a valve unit inlet,...
7204268 Internal pressure equilibrium device for airtight space  
The invention relates to an internal pressure equilibrium adjustment device for airtight space with rapid operation and simple structure. The invention comprises of a pipe 8 which is mounted on the...
7201183 Valve arrangement in a hydraulic circuit, use of the same and arrangement for controlling a hydraulic vehicle drive  
A valve arrangement in a hydraulic circuit comprises a longitudinal duct 3 and a transverse duct 2. A throttle slide 10 can be displaced in the direction of the longitudinal duct 3. Arranged in the...
7171977 Combination pressure relief and topping valve  
A combination or hybrid pressure relief and topping valve for use with inflatable devices such as life rafts and escape slides. The valve including a valve body with a fluid passage therein that...
7159606 Reservoir for a lubricant pump  
The invention relates to a storage reservoir for receiving grease or a like lubricant for a lubricant pump with a, for example, cylindrical side wall and a cover wall closing off a reservoir...
7121267 Poppet for an integrated pressure management apparatus and fuel system and method of minimizing resonance  
An integrated pressure management apparatus, system and method for minimizing resonance of a poppet. A housing defines a fluid communication passage between ports. The housing includes a first...
7096883 Combined check/pressure control valve  
The invention relates to a combined check and pressure control valve (10), comprising a check valve element (34) which is adjustable between an opened position and a closed position, and a pressure...
7086413 Bi-directional damper valve for a hydraulic line, power steering system incorporating the damper valve, and methods of using same  
A bi-directional damper valve is provided for connecting to a hydraulic line, to regulate fluid flow therethrough. The damper valve includes a main valve body having a flow passage formed...
7086388 Combination valve for fuel system  
A combination valve for fuel delivery system of a vehicle having an engine, the fuel delivery system being configured to pump fuel to the engine and the fuel delivery system has a regulator for...
7011077 Fuel system and method for managing fuel vapor pressure with a flow-through diaphragm  
A fuel system and a method of method of managing fuel vapor pressure in the fuel system. The fuel system a fuel tank having a headspace, a fuel vapor collection canister in fluid communication with...
6986357 Method of designing a fuel vapor pressure management apparatus  
A method of designing a fuel vapor pressure management apparatus that performs leak detection on a headspace of a fuel system. A pressure operable device separates the housing into first and second...
6986363 Valve assembly for use in a hydraulic component  
A valve assembly for use in regulating the flow of fluid between a first fluid side and a second fluid side of a hydraulic circuit. The assembly has an insert mounted in a hydraulic component...
6981516 Fail save shut off valve for filtering systems employing candle filters  
The invention relates to an apparatus that acts as a fail save shut off valve. More specifically, the invention relates to a fail save shut off valve that allows fluid flow during normal...
6973938 Liquid column pressure and vacuum vent  
A pressure and vacuum vent utilizing a column of liquid to open and close the vent at predetermined pressure and vacuum levels. A column of liquid is constrained in connection with internal and...
6971398 Hydrodynamic-force-responsive baffle for liquid treatment basin  
A baffle controls the normal process flow of liquid in basins of liquid treatment equipment, but releases uncontrolled flow of the liquid caused by events such as seismic events. Methods provide an...
6953027 Flow-through diaphragm for a fuel vapor pressure management apparatus  
A fuel vapor pressure management apparatus for a fuel system performs leak detection on a headspace of the fuel system, performs excess negative pressure relief of the headspace, and performs...
6929025 Two-way valve  
A two-way valve includes a valve case with the first valve seat formed at one of two openings, the first valve member movable in the valve case for abutting against the first valve seat, and the...
6913036 Bi-directional flow seal for a fuel vapor pressure management apparatus  
A device for a fuel vapor pressure management apparatus of a fuel system supplying fuel to an internal combustion engine. The fuel vapor pressure management apparatus performs leak detection on a...
6910502 Decoupled check-relief valve  
A decoupled check-relief valve for use in a hydraulic fluid circuit is provided that has a cylindrical guide housing which travels during the check function of the valve. The cylindrical guide...
6892754 Poppet for a fuel vapor pressure management apparatus  
A device for a fuel vapor pressure management apparatus of a fuel system supplying fuel to an internal combustion engine. The fuel vapor pressure management apparatus performs leak detection on a...
6875343 Dual direction bypass valve  
A dual direction bypass valve allows a transmission filter to function whether or not it is placed in the vehicle transmission correctly. The filter includes a front and rear valve bodies separated...
6851443 Apparatus and method for preventing resonance in a fuel vapor pressure management apparatus  
A device and method for preventing resonance in a fuel vapor pressure management apparatus of a fuel system supplying fuel to an internal combustion engine. The fuel vapor pressure management...
6820642 Apparatus for fuel vapor pressure management  
An apparatus and method of operating a fuel vapor pressure management apparatus that includes a housing and a pressure operable device. The housing defines an interior chamber and includes first...
6789567 Bi-directional constant flow device  
A bi-directional flow-control device includes a housing defining a flow passage and first and second orifices installed in the passage, each orifice being tubular and having a seat, each seat...
6729345 Sealing valve arrangement  
A sealing valve arrangement (12) for a container containing a fluid, wherein a supporting element (14) comprising a control channel (15) in the border region of the supporting element (14) and a...
6726059 Quick release trigger valve and blast aerator  
An externally-mounted, quick-acting trigger assembly for firing blast aerators, air cannons, or the like. The trigger assembly is ideal for high temperature applications involving environmental...
6668876 Method for fuel vapor pressure management  
A method of managing fuel vapor pressure in a fuel system. The method includes locating between first and second ports a poppet and a seal cooperating with the poppet, positioning the seal in a...
6637458 Floating plug valve apparatus for storing and dispensing high purity liquid  
Within an apparatus for storing a liquid, there is first included a storage tank. The storage tank has formed integral thereto and in fluid communication therewith a liquid inlet port and a liquid...
6634375 Leak arresting valve  
A flow control valve is disclosed wherein a housing defines a flow chamber with an inlet and an outlet. Disposed within the flow chamber is a poppet assembly comprising an inner poppet and an outer...
6612321 Damping valve for power steering  
In a damping valve for pressure medium-actuated operating circuits, a spring element is installed between housing, cover and counter-contour. In the opening direction, the spring element is pressed...
6607007 Cylinder valve and bayonet check-filter with excess-flow protection feature  
A valve apparatus especially well-suited for use in gaseous oxygen delivery systems. A valve apparatus is provided that substantially reduces the risk of fire in high-pressure oxygen systems. The...
6502557 Check valve for engine fuel supply system  
When a pump operates, a check valve body leaves a check valve seat due to a pump side fuel pressure for opening a fluid passage inside a pressure adjusting valve body. When the pump does not...
Matches 1 - 50 out of 207 1 2 3 4 5 >