Matches 1 - 50 out of 99 1 2 >


Match Document Document Title
8082941 Reverse action flow activated shut-off valve  
A flow activated valve includes an outer body and a piston disposed in an inner cavity of the outer body. The flow activated valve also includes one or more fluid passage exits in the outer body...
7913714 Check valve and shut-off reset device for liquid delivery systems  
A check valve assembly which in an open position allows liquid to flow in one direction through the assembly including a moving sealing member which engages a seal to prevent liquid flow in a...
7895993 Internal combustion engine having exhaust gas recirculation  
The present invention relates to an internal combustion engine (1), in particular for a vehicle, having at least one exhaust gas recirculation line (13) for externally recirculating exhaust gases...
7814983 Dry pipe valve for fire protection sprinkler system  
A fire protection system comprises a supply pipe having a first fluid pressurized to a first pressure and a network of pipes having a plurality of sprinklers. The network of pipes have a second...
7775503 Pressure relief valve  
An oil pressure relief valve for use in the lubrication system of an internal combustion engine is controlled by both pump outlet pressure 3 and pilot pressure 2. The action of the valve reduces...
7691088 Vascular access device  
A vascular access device having a spring-biased septum is provided for preventing the leakage of blood during the placement and use of vascular catheters and similar devices. The structure of the...
7533691 Adjustable damper assembly  
A damper assembly, comprising an adjustable locking means for releasable retention of an element pivotally in one of a plurality of predetermined lock positions for adjusting air flow through an...
7325569 Butterfly valve with integral split flapper relief valve  
A valve is provided that includes a valve housing, a valve element, and a flapper. The valve housing has a passage. The valve element is rotationally mounted in the passage and moveable between an...
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...
7278443 Pulsation causing valve for a plural piston pump  
A valve for causing pulsatile flow in a multi-piston plunger pump includes a valve poppet, a valve seat, and a spring biasing the valve poppet against the valve seat; and a mechanism holding the...
7195029 Inflate and deflate valve  
An inflate/deflate valve of a heavy duty design for use during inflation of inflatable devices such as dunnage bags. Such dunnage bags are used in hostile or rough environments where when deflated...
6941602 Self adjusting, contouring cushioning system  
A cushion for seats, wheelchairs, mattresses, etc. is disclosed. The cushion includes fluid-filled cells. Each cell is in fluid communication with adjacent cells via conduits. Constrictures such as...
6626204 Cylinder valve assembly with check valve  
An accommodation portion (53) is formed at a position where it faces a check valve member (42) through a chamber inlet (41a) of a check valve chamber (41). An opening means (51) is attached in the...
6568424 Method and valve for preventing unauthorized access  
A valve which prevents the filling of a fluid container through a port (6) by an unauthorized party, and, at the same time, allows the filling of the container through the same port (6) by an...
6357465 Shipping cap for evacuation valve  
A cap for use in a hydraulic control unit. The cap retains a poppet in a fill position within a sleeve. The cap has at least one body. The body has a retaining surface, for insertion into the...
6341622 Pressure relief valve and arrangement for fire suppression water sprinkler system  
A valve and an arrangement for a fire suppression water sprinkler system includes a valve which has an inlet and an outlet with a restricted orifice to limit the flow through the valve to...
6164314 Oversized air valve for use with inflatable devices and method  
An oversized air valve for use with inflatable devices typically in an above-the-ground swimming pool or an inflatable mattress is disclosed. In its most fundamental embodiment, the oversized air...
6027315 Inlet control valve for compressors  
A simplified control valve system is provided wherein a single multi-functional orifice provides the required bleed from the control cylinder chamber as well as the required venting of the system...
5988245 Vehicle wheel assemblies including protection against excessive tire pressure  
A vehicle wheel assembly includes a tire, a rim, an air valve and a relief valve. The relief valve can be installed in the rim, in the tire, or incorporated into the housing of the air valve to...
5918623 Starting valve  
The invention relates to a starting valve for progressive build-up of pressure in an installation through which pressure medium flows, comprising a housing with a first opening for coupling to a...
5819791 Check valve including means to permit selective back flow  
A preferred embodiment of FIGS. 1-3 includes a check valve (10) with a pair of semicircular check valve members (34, 36) normally permitting fluid flow in one direction and blocking fluid flow in...
5729991 Pressure relief system for a refrigeration system  
A pressure relief system for a mechanical refrigeration system. In one embodiment the pressure relief system having a pair of pressure relief valves connected in series to a pressure vessel that...
5662139 Pressure relief valve with lockout position  
A lever actuated pressure relief valve useful at the base of a gridded sprinkler system to perform three functions. The first function is as a pressure relief valve for the sprinkler system, the...
5568910 Anesthesia machine  
An anesthesia machine includes a breathing system for delivering a gas mixture, including an anesthetic gas, to a patient for inhalation and for collecting exhaled gas from the patient. A cannister...
5511575 Apparatus for permitting uninterrupted relief of cargo tank compartment internal pressure and preventing leakage of lading from the cargo tank during dynamic pressure surges  
The invention disclosed relates to an apparatus for permitting uninterrupted relief of cargo tank compartment internal pressures while also preventing the leakage of lading from the cargo tank to...
5479978 Pressure-vacuum relief valve assembly  
A combination pressure-vacuum relief valve assembly is provided for mounting in a port of a container. A two-part, generally hollow valve housing defines a valve chamber and includes a housing body...
5398744 Tire pressure regulating apparatus  
Apparatus for use in co-operation with a conventional tire inflation valve which enables the pressure in a tire to be reduced to a pre-determined value in a one step process. A movable pressure...
5396925 Anti-free flow valve, enabling fluid flow as a function of pressure and selectively opened to enable free flow  
A bi-directional cracking valve that can be selectively opened. Bi-directional cracking valve (10, 70) is formed using an elastomeric membrane (34). Centered within the elastomeric membrane is a...
5343889 Nozzle for inflatable objects  
A nozzle for inflatable objects being made of a plastic material, including a nozzle body and a sealing element composed of a vertical sleeve body and an one-way membrane, in which the nozzle body...
5338160 Individual controllable cylinder-plunger assemblies of a radial piston pump  
A radial piston pump includes a plurality of radially arranged cylinder-pger assemblies having suction valves and pressure-regulating valves, with the plungers being controlled by an eccentric disk...
5331998 Radial valve with unloader assembly for gas compressor  
A suction valve for a gas compressor includes a cylindrical valve guide cage with plurality of rows of valve guides, each with a corresponding poppet valve slidably movable therein. Each valve...
5254092 Fluid flow check valve  
A valve for controlling the flow of fluid through a flow path, which valve comprises a housing defining a flow path and having two indented portions about the flow path, a poppet mounted within...
5215119 Safety closure for steam pressure coffee machine water reservoirs  
A safety closure for a water reservoir of a coffee maker includes a disc-shaped stopper fitted to a wide hole formed in a mouth of the water reservoir. A rod projecting upwards from the hole and...
5178240 Adjustable double-acting damper  
A dasphpot damper for acting between two objects subject to move toward and away from one another including a housing including an elongated cavity, a piston mounted within the housing cavity for...
5163741 Device for hydraulic brake lock valve with a closing piston  
An apparatus for actuating a hydraulic brake has a housing with a cavity communicating with an input and an output for hydraulic fluid. The housing is adapted to be positioned between a master...
5105848 Automatic relief valve  
A swimming pool cleaner relief valve comprising a body; a flow passage through the body having an inlet and an outlet for connection to a pipe having an induced flow therethrough; a bypass passage...
4948092 Combined check valve and fluid pressure relief valve  
A combined check valve and relief valve assembly for permitting the free of a fluid in a first direction and for selectively preventing backflow. Backflow occurs only upon depression of a...
4899782 Steam pressure cooker  
A steam pressure cooker (1) is described, which is provided with a lid (2) and a pressure relief valve (8), comprising a valve seat (7a), a valve body (9) adapted to have a load applied thereto in...
4889623 Brining system  
A brining system including a brine reservoir containing a supply of salt and a brine valve assembly disposed in the reservoir below the level of the salt and including a vessel for accumulating a...
4834282 Device for use with flue dampers  
A device is provided for controlling the position of a damper within a flue or stack of a forced air heating or cooling system or a commercial or industrial boiler. The device comprises a damper...
4825945 Wellhead valve  
An improved wellhead valve includes a tubular body with a central passage therethrough and with a downwardly facing valve seat surrounding a portion of said passage, a cylindrical sealing surface...
4744444 Shock absorber  
An automotive vehicle shock absorber of the type having an alternately compressible and extendible body adapted to coaxial mounting of an oppositely reactive compression spring. The shock absorber...
4700763 Remotely controlled aircraft tire inflation/deflation valve  
A novel inflation/deflation system for the pneumatic tires of a vehicle, and particularly of an aircraft, is described, which comprises a housing on the vehicle, such as in the form of a fixed axle...
4685592 Pumping system with control valve  
A pumping system for containing and dispensing liquids, such as poisonous or hazardous chemicals and the like. The system has a spring-biased, manually-openable by pass valve incorporated therein...
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...
4664017 Hydraulic control system and valve  
An improved sequence-and-relief valve comprises a housing (60), a plurality of conduits (42/44, 46, 53) opening into a bore (62) within the housing, a valve cartridge (64) with the bore, the valve...
4605200 Faucet valve  
A faucet valve comprised of a valve body having a valve seat onto which is adapted to movably and freely rest a disc-shaped valve plug. An operant shaft having a central cam surface is journalled...
4580596 Check valve with dual locking mechanism  
A check valve includes a housing with an inlet, outlet, and a predetermined size cavity. A spherical valve element is supported on a slidable stem which is supported by a support shaped like the...
4560143 Pressure cooker relief valve assembly  
A relief valve assembly for pressure cookers in which the valve port is controlled by a predetermined weight. A skirt portion forming part of the mass of the weight surrounds the valve port so...
4391296 By-pass pilot operated hydraulic check valve  
An electriclly actuated, spring biased closed solenoid valve comprising a valve actuating coil, a valve bias spring, a valve plug and a valve seat is adapted to be mechanically actuated by an...
Matches 1 - 50 out of 99 1 2 >