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Patent Searching and Data


Matches 301 - 350 out of 3,135

Document Document Title
WO/2000/009956A2
An integrated barrier fluid sealing apparatus (10) includes an annular pressure intensifier (14) surrounding a shaft (12) of an operational device and defining a chamber (18) extending around and along the shaft (12) and containing a bar...  
WO/2000/004313A1
The invention relates to a method and a device for monitoring a control fluid in the bellows (6) of a valve device (1) for treating fluids under aseptic conditions. The aim of the invention is to improve the safety of known valve devices...  
WO/2000/003166A1
A rocker valve (1) for alternately sealing one of two outlet ports (11, 13) is provided with two cylinders in which there are respectively disposed pistons (53, 55) carrying sealing members (59, 61) for longitudinal reciprocation along t...  
WO/1999/067557A1
A high Cv bulk process valve (1) and control system (12) convey a process gas or liquid through a fluid passage (5). The fluid passage contains an aerodynamically shaped expansion chamber (9) within which a valve seat (6) and a moveable ...  
WO/1999/064164A1
The invention relates to a prestressed controllable flow-through limiting valve, especially a spraying valve with a valve piston which can move in a valve housing. The valve piston is subjected to the action of the pressure of a control ...  
WO/1999/060293A1
The invention relates to an injection device for injecting a liquid medium in a turbocompressor, consisting of an inner shut-off device (3.1) that can be flange-mounted on a corresponding opening in the housing of the turbocompressor; a ...  
WO/1999/053231A1
The invention relates to bellows for sealing a valve rod passage in a globe valve. Said bellows are especially configured as expansion bellows or as a corrugated pipe. They provide a reliable, hygienic and durable static seal for the con...  
WO/1999/050579A1
An improvement in a valve for refrigerant equipment, such as an ir-conditioner, capable of preventing the leakage of a fluid when the valve is closed and minimizing the flow resistance of the fluid when the valve is opened. The valve is ...  
WO/1999/047840A1
A valve (100) with fire-resistant seal (170) for use in industrial piping applications. The valve (100) includes a valve body (102-105) with a valve element (108) therein. A conventional primary seal (132-134, 136, 138, 140 and 142) is u...  
WO1999036716A8
A stem (40) seal assembly comprises a stem having a top end (41) and a bottom end (42). The stem is adapted to fit in a valve body (20) and interface with the valving member (30). A ball segment (43) integral to the stem has a top surfac...  
WO/1999/047842A1
A bellows valve assembly (11) includes a valve body (13), a bellows housing (39) and a valve actuator (15). The valve body (13) includes an inlet (17), an outlet (19) and a valve seat (29). A valve closure element (25) is engageable with...  
WO/1999/041533A1
A cartridge type flow control valve which can be directly installed on a piping without the need of a valve casing and ensure a sufficient sealing property and prevention of stem fixation, comprising a valve disc (1) cantilever-supported...  
WO/1999/036716A1
A stem (40) seal assembly comprises a stem having a top end (41) and a bottom end (42). The stem is adapted to fit in a valve body (20) and interface with the valving member (30). A ball segment (43) integral to the stem has a top surfac...  
WO/1999/035437A1
A valve assembly has a unitary Teflon?TM¿ valve housing (10). A pair of rigid tubes (60) are disposed in the openings (36, 48) at the valve seat (40), each tube forming a fluid-tight seal with periphery of the corresponding opening (36,...  
WO/1999/028662A1
Arrangement at a stuffing box unit (P) in a pipe system under an over atmospheric pressure, e.g. a radiator valve of a heating or cooling system, which prevents that a spindle (4) arranged in a stuffing box sealing (P) gets stuck due to ...  
WO1998052624A3  
WO/1999/002908A1
A diaphragm valve (10) is provided with a valve housing (12) having an inlet passage (20) extending into a chamber (14) and an outlet passage (24) extending from the chamber (14). A diaphragm (26) is mounted to the valve housing (12) for...  
WO/1998/058198A1
A valve packing compression apparatus and method of use therefor are disclosed for compressing packing rings into a stuffing box of a valve bonnet which has a gland follower. The compression apparatus includes a base plate configured to ...  
WO/1998/054495A1
A valve device in a fluid system comprising a valve housing (10) provided with an inlet opening (11) and at least one outlet opening (12) and a valve seat (13) in connection to said inlet opening. The device further comprises a valve rod...  
WO/1998/052624A2
A volumetric pump comprisis a first housing (16) having an elongate cavity therein with an open and a closed end. A resilient sheet of material (20) having a centrally-located aperture covers the open end. A pump shaft (60) is slidably d...  
WO1998034056A3  
WO/1998/049477A1
The invention relates to a regulating valve comprising a valve housing (1) and an essentially horizontally arranged, linearly movable valve means (2) for regulating a flow through the valve. The valve means is by a cylindrical portion (2...  
WO/1998/039588A1
A ball valve for controlling fluid flow comprises a housing (10, 12) with a chamber (18) therein and a fluid flow passage (15) therethrough having an inlet portion (24) and outlet portion (26) to and from the chamber (18) adjacent the lo...  
WO/1998/034056A2
A flow control device includes a first body (10) and a second body (26); a threaded engagement for clamping the bodies together in an axially aligned relationship; a diaphragm seal (28) that is disposed axially between the first and seco...  
WO/1998/034020A1
In the throttle housing (1) for the internal combustion engine of a motor vehicle, a throttle shaft (5) which extends through openings (3, 4) in the throttle housing (11) is sealed with a curable sealing material (11) which prevents air ...  
WO1998019087A3  
WO/1998/019087A2
A valve assembly configured to maintain a seal during thermal cycling includes a valve body (12) defining a flow passage, and a fluid control member disposed in the flow passage for controlling the flow of fluid. An actuating shaft (26) ...  
WO/1998/019089A1
The invention concerns a radiator valve (1) with a housing (2, 3), a closure element (5) movable in the axial direction (6) towards or away from a valve seat (4) and a tappet (8) movable in the axial direction, which is led to the outsid...  
WO/1998/019088A1
A fluid control valve includes a valve bonnet (30) and a packing nut (56) threadably engaging the valve bonnet. A valve stem (26) passes through the valve bonnet and the packing nut in a clearance fit so that there is no engagement there...  
WO/1998/016765A1
An all metal diaphragm valve (10) is provided. The valve includes a housing (12) having an inlet passage (14) and an outlet passage (30) each of which communicates with a valve chamber (20). Portions of the inlet passage (14) in the valv...  
WO/1998/004259A1
A pharmaceutical composition containing (a) a thienopyridine derivative of formula (I), wherein R is hydrogen or a C�1-4? alkoxycarbonyl group, or a pharmaceutically acceptable salt thereof; and (b) an HMG-CoA-reductase inhibitor, is d...  
WO/1997/042410A1
An ambulatory volumetric pump apparatus includes a housing (4) defining a channel therethrough having an inlet (12) for receiving a fluid and an outlet (16) for discharging a fluid, a pump operable to pump fluid through the channel, a mo...  
WO/1997/041939A1
The invention relates to a plastic end disc for an annular filter element which can be replaceably used in a filter housing and through which flow is radial. Said end disc is meant to rest tightly and permanently in a radial manner again...  
WO/1997/040302A1
The invention is a bellows valve (40) which seals the stem (4) of the valve (40). Dirt and other contaminants are trapped by the bellows (5). The valve (40) includes a cover (2) having a sintered metal filter (3) therein. The filter (3) ...  
WO/1997/039267A1
A valve apparatus (20) includes a relatively simple yet effective way to monitor leakage in the valve apparatus (20) in accordance with one embodiment of the invention. The valve apparatus (20) comprises a housing (25) defining a product...  
WO/1997/031211A1
An external valve operating means (51) that forms a seal (71) around the rotating valve stem (11) of a valve (3) operating under internal pressure is disclosed. This seal (71) prevents the escape of fluids should the valve's primary seal...  
WO/1997/030303A1
A stem seal having first and second wiping members (30, 32) circumjacent a stem is disposed within a bore. A lubricant-bearing ring (40) is disposed about the stem within the bore between the wiping members, under compression therefrom. ...  
WO/1997/029309A1
A retrofit valve stem seal assembly (100), which can be retrofitted to existing quarter-turn valves already in service, is provided. The retrofit valve stem seal assembly is added to the valve stem (2) by inserting a valve stem adaptor (...  
WO/1997/025560A1
A valve unit (10) to control the flow of high-pressure fluid comprising a housing (10) having an inlet (21) and an outlet (23); a port (27) communicating between the inlet (21) and the outlet (23), and a seat (29) about the flow port (27...  
WO/1997/015771A1
The invention concerns a solenoid valve with a lift armature (8). The solenoid valve is actuated by a push-rod as a function of the current-carrying or currentless state of an electromagnet, the push-rod being surrounded by bellows (12) ...  
WO/1997/014900A1
A ball valve stem seal comprises a primary seal washer (29), a backup ring (35), O-ring (37), washer (41) and a wave spring (43), whereby the O-ring (37) is maintained in a state of controlled squeeze where it is subjected only to radial...  
WO/1996/028680A1
A valve device comprising a body (1), a closure member (2) operated by a shaft (3) guided through a neck (4) in the body (1), and a liner (5) provided with a flange (6) extending along part of the length of the neck (4). The sealing cont...  
WO/1996/027095A1
A gas valve comprising a valve body which is capable of butting against a valve seat so as to close the gas valve. The valve body comprises a membrane which is fixed in the valve housing at its outside edge, in such a manner that a contr...  
WO/1996/027096A1
A housing for a gas valve or the like, said housing comprising a first housing portion, which is connected to a second housing portion with the interposition of a flexible sealing element, whereby each housing portion is provided with a ...  
WO/1996/023153A1
A slide valve assembly is provided especially for controlling the flow of powder materials along a duct. A closure assembly (20) is releasably attached to a valve body (12) and includes a closure member (22) reciprocally moveable between...  
WO1996015402A3  
WO/1996/015402A2
A retrofit second packing chamber (50) for quarter-turn valves (10) that permits existing valves to be modified so as to meet modern emission standards without requiring replacement of the valves, and which can be assembled to existing v...  
WO/1996/007831A1
A resilient annular bearing positionable around a rotating shaft (12) which self-adjustingly stabilizes the shaft (12) with respect to a sleeve in which the shaft rotates. The bearing has opposite undulating surfaces, made up of a series...  
WO/1996/006295A1
The invention concerns a tap fitting in which the gap between the tap spindle and the spindle lead-in in the housing is sealed off by means of a bellows-type seal. The end of the seal nearest the housing is connected to a sleeve which is...  
WO/1996/005460A1
A gas cylinder valve with (1) minimum wetted area has a one-piece valving assembly (53) comprising a valve member (19), a non-perforated diaphragm member (37) and a valve stem (51), the latter including a threaded stud (59) and a stem sh...  

Matches 301 - 350 out of 3,135