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WO/2019/049811A1 |
Provided is a valve device comprising: a valve housing (10) having a communication space (110); a rotating body (20, 25, 26, 40, 50, 60, 70, 80, 85) provided in the communication space; a bearing (271) that is provided to a wall body (11...
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WO/2019/025045A1 |
A valve, comprising a housing (5) and a rotary body (3) arranged notably therein with a through opening (4) for a fluid, wherein a flow path is shut off or is at least partially opened in accordance with the rotational angle position of ...
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WO/2019/020452A1 |
The invention relates to a metering valve (1) for a gaseous medium, in particular for a gaseous fuel, comprising a preferably planar valve seat element (2) having at least one flow-through opening (3) for the gaseous medium, a closing el...
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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 ...
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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...
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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...
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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...
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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),...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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 ...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 (...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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