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Patent Searching and Data


Matches 1 - 50 out of 3,077

Document Document Title
WO/2018/236223A2
A valve seal device for a valve in a pipeline, comprising four moveable seats configured for sealingly contacting a valve member, two seats are positioned on each side of the valve member, at least one of the moveable seats on each side ...  
WO/2018/219983A1
A proportional pinch valve (10) for controlling the pressure of a fluid in a continuous flow system comprises an anvil (22) for pinching a length of a tubing (12) in the continuous flow system, and a drive mechanism including a displacem...  
WO/2018/219541A1
The invention relates to a metering valve (1) for feeding gas to a fuel cell, wherein a nozzle (14) comprises an inlet opening (30) for feeding gas to the metering valve (1) and an outlet opening (32) for discharging gas to the fuel cell...  
WO/2018/214344A1
A valve rod support device (3), comprising: a support assembly (100), the support assembly (100) comprising a support sleeve (110) and a connecting plate (120), one end of the support plate (120) being connected to a fixed bracket (2) of...  
WO/2018/215229A1
The invention relates to a double-seat valve, comprising a first closing element (14), which is associated with a first valve seat (34), a second closing element (16), which is associated with a second valve seat (40), a hollow rod (20),...  
WO/2018/190148A1
Provided is a butterfly valve that enables a reduction in torque and that enables the manufacturer manufacturing and selling the butterfly valve to manage product quality such as sealing performance. This butterfly valve is characterized...  
WO/2018/168339A1
The present invention comprises: an assembly step for attaching a sealed case in an existing pipe; a cutting step for forming a first groove-like opening extending in the pipe axis direction of the existing pipe; a second drilling step f...  
WO/2018/152947A1
Disclosed is a pneumatic fluorine-lined corrugated pipe single-seat regulating valve, comprising a valve body (1), a valve cover (2), a valve rod (3), and a valve core (4), wherein the valve body (1) is further provided with a mounting c...  
WO/2018/153203A1
Disclosed is an electric fluorine-lined corrugated pipe single-seat regulating valve, comprising a valve body (1), a valve cover (2), a valve rod (3) and a valve core (4), wherein the valve body (1) is further provided with a mounting co...  
WO/2018/143040A1
A main passage 11 has two large-diameter parts 11a, 11b and a small-diameter part 11c positioned between the large-diameter parts 11a, 11b. An inlet passage 12 communicates with the small-diameter part 11c, and outlet passages 13, 14 com...  
WO/2018/142368A1
An electrovalve (1) comprising a valve body (2), said valve body (2) delimiting at least one inlet opening (4), and at least one outlet opening (6); and wherein said electrovalve (1) further comprises a plunger element (11) movable betwe...  
WO/2018/138560A1
The present invention relates to a packing for use in pumpjacks and a method for producing same, the packing having improved properties of resistance to wear, friction, temperature, pressure and, generally, the difficult operating condit...  
WO/2018/086822A1
The invention relates to a hydrodynamic transmission unit (1) comprising a primary bladed impeller (2) and a secondary bladed impeller (3), which are configured in such a way that the two impellers (2, 3) are rotatably mounted and form a...  
WO/2018/080907A1
A fluid flow control device (100) includes a valve body (102) defining an inlet (104), an outlet (106), a throat (108) disposed between the inlet and the outlet, and a bonnet opening (110), a control element (112) having a valve plug (11...  
WO/2018/071321A1
A subsea rotary gate valve comprising a valve body (110), wherein the valve body defines a fluid flow pathway (101), a closure member cavity (102), and a stem cavity (103), a closure member (120) disposed in the closure member cavity, an...  
WO/2018/053662A1
A supercritical small diameter corrugated pipe spherical sealing forged shut-off valve, comprising a valve body (1), a sealing ball (2), a sealing ring (3), a valve rod (5), a corrugated pipe (6), a valve cover (19), a filler pad (18), f...  
WO/2018/053663A1
A Y-shaped electric-powered ultra-high pressure spherical sealing shut-off valve, comprising a valve body (1), a sealing ball (2), a valve rod (3), an upper seal (4), a filler pad (5), filler (6), a pressing sleeve (7), a filler pressing...  
WO/2018/037786A1
This diaphragm valve (18) is provided with: a housing (20, 30) having formed therein a fluid flow path (21) and a valve chamber (22); a valve seat (24) provided in the housing (20, 30) so as to annularly surround the opening of the flow ...  
WO/2018/035376A1
A bellows assembly is configured to mount between a movable valve structure and a stationary valve structure of a valve assembly. The bellows assembly comprises a bellows and a spacer. The bellows is configured to compress until a gap is...  
WO/2018/006911A1
Disclosed is a method for assembling a valve (1). The method comprises the steps of • assembling a stem assembly (2) by positioning collar means (8) on a valve stem (4) so that collar friction surfaces (5) of the collar means (8) meshe...  
WO/2017/217193A1
Provided is a pressure-balanced electric valve, wherein sealing is ensured between a leaf spring (41) of a sealing part (4) and an L-shaped packing (45). The sealing part (4) is configured from a pair of leaf springs (41, 41), a pair of ...  
WO/2017/205990A1
This invention is related to self-cleaning control fluid inlet devices, applicable to valves for controlling liquid or gas fluids and operating under differential pressure and transfer of control fluid for actuation thereof, wherein the ...  
WO/2017/201547A1
A valve with a packing assembly can include a first stem packing (37) circumscribing a first portion of a valve stem, forming a seal between the valve stem (23) and a valve body assembly (12), and being located in the second bore portion...  
WO/2017/157947A1
The invention is directed to a tap (2) for gas, in particular for compressed gas, comprising a body (4) with a gas inlet (6), a gas outlet (8) and a passage (12) fluidly interconnecting said inlet (6) and outlet (8); a shutter (16) movab...  
WO/2017/156277A1
A modular filtration platform having at least one manifold head and at least one respective filter cartridge assembly. Each manifold head is connected to one another to establish a water flow in a series or parallel manner. Each filter c...  
WO/2017/141331A1
This shaft sealing device is provided with a flow path tube, a rotating unit, a valve, a shaft-side seal unit and a flow path-side seal unit. The flow path tube is provided with a gas flow path therein, and has a through-hole that allows...  
WO/2017/098622A1
There is a demand for easier transmission of the pressing force of an elastic body to a seal than in conventional valve devices to further improve sealing while providing durability and without changing the magnitude of the force of the ...  
WO/2017/079898A1
A press-fit in situ retrofit assembly for a top entry valve and a method thereof are disclosed. The assembly includes an annular conduit (201) including a segment (202) of reduced outside diameter and a shoulder (203) on the exterior sur...  
WO/2017/078578A3
In at least one embodiment, the present invention provides a self-cleaning valve having a valve body defining an internal cavity and having a first end, a second end, a perimeter wall extending between the first end and a second end, an ...  
WO/2017/062705A1
Valve body insert apparatus and related methods are described. An example valve includes a valve body made of a first material and having a fluid flow passageway and a first shaft bore. The fluid flow passageway defines a first axis and ...  
WO/2017/057062A1
Provided is a refrigerant control valve device configured so that the entry of a refrigerant into a control unit is reliably prevented. This refrigerant control valve device has: a drain hole formed in a housing and open to the atmospher...  
WO/2017/049366A1
A valve or pump is described including: a reciprocating shaft; a housing; the reciprocating shaft extends through the housing; the housing includes a shaft sealing arrangement which seals the shaft with respect to the housing; a flexible...  
WO/2017/023261A1
A proportioning valve for a reverse osmosis system that controls the production of product water by the differential pressure across the purification membrane. By sensing increasing tank pressure to actuate the proportioning valve, the f...  
WO/2017/005334A1
The invention relates to a needle valve for controlling of fluid flow of a coating medium (H, SL) in a coating system, in particular for controlling a flow of a two-component mixture of two coating medium components (H, SL), in particula...  
WO/2016/207031A1
The invention relates to a gaiter seal (12, 12a - 12d) for shielding at least one rod-shaped and/or tubular functional element (10) of a working head of a device or machine for producing and/or treating containers (2). The gaiter seal (1...  
WO/2016/169252A1
An integrated stop valve, comprising a valve body (1), wherein a valve seat (2) is arranged at the center in the valve body (1), the valve seat (2) is provided with a valve clack (3) in a matching manner, the upper end of the valve clack...  
WO/2016/171857A1
A valve stem packing assembly (33) can seal a valve stem (29) to a valve body (13) having a body cavity (21). The packing assembly includes a packing ring (71) circumscribing the valve stem within a stem opening extending axially through...  
WO/2016/170291A1
The invention relates to an assembly (2) for a valve (1) of a motor vehicle, said assembly comprising: a valve body (3), a shutter rod (4) able to slide relative to the valve body, a guide (5) arranged to guide the rod as this rod slides...  
WO/2016/155319A1
Disclosed is a multi-protection corrugated pipe stop valve for chlorine use, comprising a valve body (1), wherein a lower sealing member (2) is mounted in the centre of the valve body, an upper sealing member (3) is fitted with the lower...  
WO/2016/157756A1
An EGR device (1) is provided with: a housing (2) having an EGR flow path (5) formed therein; a shaft (7) that is supported by the housing (2) via a bearing section (8); a valve (11) that adjusts the opening degree of the EGR flow path (...  
WO/2016/127564A1
Disclosed is a filler sealing structure. A filler is formed by mutual lamination of an upper filler layer (5), a middle filler layer (6), and a lower filler layer (7) via grooves and convex peaks. The lower surface of the upper filler la...  
WO/2016/105868A1
A valve assembly having a dynamic stem seal assembly includes a valve stem (29) for moving a valve member from a closed position to an open position, the valve stem extending through a stem opening (35) of a valve assembly body and havin...  
WO/2016/093706A1
A bellows valve comprises a first bellows (10a) connected to a first cap member (9) at one end and to a support member (11) at the other end, and a second bellows (10b) connected to a second cap member (12) at one end and to said support...  
WO/2016/084530A1
A valve casing (5) for a valve (1) is provided with: operating fluid passages (6, 7) through which operating fluid (ST) flows; and a valve shaft holding section (12) for accommodating at least a valve shaft (13) of flow rate control memb...  
WO/2016/075093A1
The present device relates to a sealing system (8) for an exhaust gas recirculation valve (1), the exhaust gas recirculation valve (1) comprising a housing (2) and a valve stem (3) disposed in the housing (2), the sealing system (8) bein...  
WO/2016/067464A1
A fluid control valve wherein: a seal member (14) has a cylindrical section (14a) and a flange section (14b) extending to the outside, in the radial direction, of one end surface of the cylindrical section (14a); a valve shaft (32) is in...  
WO/2016/064978A1
A gas pressurized packing system for use in a control valve is disclosed. The gas pressurized packing system may include a first packing member, a second packing member and a pressurized gas supply. The first and second packing members m...  
WO/2016/058152A1
A gate valve and a manufacturing process thereof. The gate valve comprises a valve body (1) with a three-way structure. The opening in the upper end of the valve body is connected with a valve cover (2). A valve stem (3) is inserted into...  
WO/2016/027516A1
The purpose of the present invention is to increase both resistance to pressure and sealing properties of a high-pressure gas seal for sealing a high-pressure gas. In order to achieve this purpose, a high-pressure gas seal for sealing a ...  
WO/2016/001247A1
The invention is directed to a valve (2) for gas under pressure, in particular at temperatures below -100°C, comprising a body (4) with a gas inlet (6), a gas outlet (8) and a passage (10) connecting said inlet (6) with said outlet (8);...  

Matches 1 - 50 out of 3,077