Matches 1 - 50 out of 102 1 2 3 >


Match Document Document Title
8919372 Valve assembly for an injection valve and injection valve  
A valve assembly for an injection valve has a valve body with a central longitudinal axis and a cavity with a fluid inlet portion and a fluid outlet portion, a valve needle axially movable in the...
8919373 Valve  
A valve (101) that can be used as a pressure limiter, for example in a sanitary supply line. The valve (101) according to the invention includes a valve housing (1), a fluid line piece (2) being...
8857463 Monitor for pressurized canisters  
A sensor system is provided for pressure vessels. In one embodiment, a compressor directs compressed air into a purification chamber for removing carbon monoxide from the air. A sensor system...
8517703 Compressor including valve assembly  
A compressor hub assembly may include a hub member, a valve retainer and a valve member. The hub member may include first and second portions. The first portion may define an annular hub wall for...
8381764 Check valve  
A check valve (1) includes a casing (2) having a valve seat (10) formed in a flow path and a valving element assembly (21) disposed in the casing. A top (23) of a valving element (22) is received...
8365764 Minimum pressure valve  
Minimum pressure valve having a housing (13) with an inlet (14) and an outlet (15) and in which has been provided a valve body (21) which is pushed against a seating (30) round the inlet (14) in a...
8104739 Pulse valve  
The present invention relates to a pulse valve (10) with a closing body (18) that cooperates with a valve seat (22) and, in a first switching position, establishes a flow connection between a...
7913715 Relief valve including a check valve in a damping chamber  
A relief valve includes a body, a damping chamber in the body, a poppet in the body, wherein the poppet includes an end in the damping chamber, and a check valve in the damping chamber. The...
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...
7234486 Pressure limiting valve for fuel injection devices  
A pressure limiting valve is provided which has a valve body assigned on the high-pressure side to a valve seat and an operating piston combined with the valve body to form a unit. The valve body...
7124774 Control valve  
A control valve for regulating flow of fluids passing through the valve. The control valve includes a body with an inlet, an outlet and a passageway through which the fluid passes from the inlet...
6978799 Emergency pressure relief valve with enhanced reset  
A pressure relief valve has a housing fluidly connected to a pressurized system line carrying a system fluid. The housing carries a moveable piston and a valve member that both move between closed...
6966302 Fuel system and flow control valve  
A valve for controlling flow of a fluid includes a valve body defining at least in part an inlet, an outlet, at least one chamber, and an orifice in communication with the chamber. A valve member...
6918407 Pneumatic reset relief valve  
A safety device protects a mud pump from an over pressure condition, which can occur during normal operation. The mud pump discharge couples to a high pressure inlet at the bottom of a valve body...
6874536 Gas supply apparatus  
An apparatus for supplying pressurized gas to a plurality of gas outlets from an upstream gas supply, in which each of the plurality of gas outlets in use is connected to a common gas feed line...
6796260 Elastomeric ejection system with acoustically improved check valve  
A system for launching bodies from a submarine includes a pump for transferring seawater to an elastomeric ejection tank, and a check valve that permits transfer of the seawater to the tank, and...
6564827 Shut-off device for the filling device of a pressure tank  
The invention relates to a shut-off apparatus for the charging device of a pressure vessel, especially for the storage of cryogenic liquefied gases, having a shut-off valve with a valve housing...
6510867 Pressure relief valve  
A pressure relief valve has a main valve body, a fluid inlet passageway, a fluid outlet passageway, and a piston contained within the main body. The piston has a piston head, slidingly and...
6209561 Emergency pressure relief valve  
An emergency pressure relief valve has a housing fluidly connected to a pressurized system line carrying a system fluid. The housing carries a piston and a valve member which move within the...
6132191 Check valve for scroll compressor  
A series of check valves are disclosed for use in a scroll compressor which control and dampen the closing of the check valve to reduce noise during rapid pressure fluctuations encountered during...
6102072 Water-hammerless check valve  
The present invention is intended to provide an economically advantageous, high-performance water hammer preventing check valve capable of preventing both water hammer and pressure rise under any...
5975129 Hydraulically operated pressure relief valve  
This disclosure is directed to a relief valve connected to the output manifold of a triplex mud pump. The valve body includes an inlet mud flow opening, an internal passage with a movable valve...
5921276 Piston-type check valve with diffuser  
An axial recess is formed in the downstream end of the diffuser body. An annular tail member is mounted on the downstream end of the valve piston. The tail member retracts into the recess when the...
5871109 Railcar cushion device preload valving systems  
A pressure relief valving system for a rail car cushion device including several preload valves mounted in the cylinder wall of the cushion device each having both spring biasing and hydraulic...
5826735 Railcar cushion device valving systems  
A valving system for a rail car cushion device including several pressure control relief sequence valves (PCRS) mounted in the cylinder wall of the cushion device each having hydraulic biasing...
5787926 Overload preventive device  
An overload preventive device is capable of preventing elevation of preload pressure due to sticking action or break-through load of a hydraulic cylinder of a press machine. A delay valve for...
5685334 Fuel additive metering system  
A fuel additive system is disclosed which comprises a sensing device for determining the flow rate of fuel into the system and for generating a signal in dependence upon the fuel flow rate, a...
5678604 Fast opening, slow closing, relief valve  
A valve is indicated as well as a device for controlling the valve body in a valve, which is special in that the travel of the valve body in the valve housing is insignificantly damped in the...
5603348 Damped poppet valve  
A valve includes a body member having spaced apart first and second fluid passages and a bore in communication with the passages. The bore includes a valve seat interposed at one end of the bore...
5456283 Infinite hydraulic check  
An infinite hydraulic check for use with a door that maintains the door in any position until an appropriate check effort is applied to release the door from the position. The check includes an...
5443088 Squib valve  
A squib valve which has an inlet port associated with a pressurized fluid source, an outlet port, flow initiation apparatus for initiating a flow of the pressurized fluid between the inlet port...
5441072 Fuel additive metering system  
A fuel additive system is disclosed which comprises a sensing device for determining the flow rate of fuel into the system and for generating a signal in dependence upon the fuel flow rate, a...
5439027 High pressure regulating valve  
A high pressure poppet-type regulating valve for controlling fluids that have been pressurized up to approximately 20,000 psi (1,400 kg/cm2). In the preferred embodiment the disclosed gas-dampened...
5362219 Internal combustion engine with compound air compression  
A rotary air compressor with a housing forming an epitrochoidal chamber in which a multilobed rotor with a ring gear eccentrically rotates on an internal central gear in the housing, the rotor...
5261450 Pressure relief vent with surge suppression  
A device relieves a positive pressure difference between the inside of a vessel and the outside of the vessel through an opening in the vessel. The device has a base portion, a cap portion and a...
5251618 Regulator second stage for scuba  
The regulator second stage for scuba incorporates a pneumatically balanced valve mechanism of high flow capacity which operates without significant influence from friction. The compression spring...
5240036 Check valve with poppet dashpot/frictional damping mechanism  
An inline check valve for a flow line where the valve element is guided for inline travel forward and rearward of a valve sealing member and is spring biased to a closed sealing condition. One of...
5234482 Retarding valve at a single-tower air drier  
A retarding valve at a single-tower air drier for obtaining a controlled time for the flow of regenerating air from an air tank to a desiccant cartridge has a movable valve stem (7), which is...
5232013 Check valve with poppet damping mechanism  
An inline check valve for a flow line where the valve element is guided for inline travel forward and rearward of a valve sealing member and is spring biased to a closed sealing condition. One of...
5218952 Radiant heating apparatus  
This invention describes a radiant heating unit, which can be used with a scarifier or patcher. The heating unit system is comprised of a supply means used for supplying a quantity of gaseous fuel...
5065789 Back pressure regulating valve for ultra high pressures  
A back pressure regulating valve for ultra high pressures. The valve is designed for use in throttling ultra high pressure pumps, such as those used in fluid jetting systems. The valve has an...
4867603 Device for preventing flooding caused by sprinkler failure  
A device for protecting irrigation land local flooding caused by damaged sprinklers or broken risers. The device, in accordance with the present invention is designed to be situated within a...
4859155 Bypass valve for a displacement pump  
A displacement pump bypass valve having an integral pressure modulator in a piston of the valve, the piston located in a bore formed through the pump housing between the pump inlet and pump...
4813452 Kinetic check valve  
A check valve with a shaped outlet port and interior fluid passage provides a valve with improved fluid flow characteristics.
4747426 Check valve  
A check valve or non-return valve has a valve body (9) which is connected with a piston (15) by a rod (14). The piston is guided by a sleeve (17) mounted inside an inner housing of the valve. The...
4724866 Speed control valve  
A speed control valve is formed with a pair of cooperating inversely operating dashpots to control movement of a valve element in either direction so as to prevent sudden actuation upon change in...
4693269 Check valve assembly for pipeline system  
A check valve assembly of the quick shutoff type equipped with an auxiliary valve of the slow closure type, wherein the check valve assembly comprises a primary valve plate arranged within a valve...
4614168 Control valve for dual fuel operation of an internal combustion engine  
A control system for a dual fuel engine using primary diesel fuel and supplemental gas fuel such as propane or natural gas includes a control valve that controls supplemental fuel mixing with...
4603710 Non-return valve  
The non-return valve comprises a housing provided with an inlet connection, a coaxial installation opening, and an outlet connection. An insert is secured in the installation opening to define a...
4592383 Constant-flow valve  
A constant flow valve includes a valve body having an inlet portion, an outlet portion and a main valve body portion, the inlet portion and the outlet portion being connectable within the run of a...

Matches 1 - 50 out of 102 1 2 3 >