Matches 1 - 50 out of 100 1 2 >
Match Document Document Title
7159844 Two-part flap valve  
A valve having a housing with a valve seat for a two-piece flap which is rotatably mounted on a drive shaft. An annular piston seal and an adjacent cover disk are disposed between the first part...
7080820 Elliptical sealing surface for butterfly valve  
A reduced component wear valve is comprised of a valve body having a passage therethrough and a disc attached to a rotatable shaft. The disc is utilized with a seal forming a gap between the disc...
6886806 Throttle-valve actuating unit  
In a throttle valve actuator unit having a throttle valve neck that contains a pivotable throttle valve and having a drive chamber for receiving an electric drive mechanism for the throttle valve...
6840502 Flap valve for fuel aggregates  
A flap valve for fuel aggregates, such as fuel cells, comprises a flap arranged within a flow channel. A shaft for pivoting the flap is connected to the flap. Further, a seal disposed in a recess...
6761348 Throttle devices housing with flexible compensation elements for internal combustion engines  
The invention relates to a throttle device for controlling a fluid flow in an internal combustion engine, with a multi-part housing, whose first housing part and whose additional housing half rest...
6589380 Laser welded air control valve and method  
An engine air control valve assembly includes a valve shaft and a valve plate made from composite polymeric plastics that are formed to be welded together by infrared laser welding. In a preferred...
6367771 Butterfly valve with offset bearings  
The device concerns a device for adjusting the relative distance or position between a check valve and the base on which it rests when it is closed. Said device consists of a valve body ( 1 ), a...
6189506 Throttle shaft rotation limiting device  
A throttle valve for throttling the combustion air flow for an internal combustion engine is disclosed, having a body with a throat, a butterfly in the throat to throttle flow, and a shaft...
6123319 Damper valve having an adjustable seat  
A damper valve includes a base, a valve blade pivotally mounted on the base and two serially arranged valve seats. Each valve seat comprises adjustable valve seat portions on opposite sides of a...
6010114 Damper system with internal sealing channels and method of assembly  
A damper system has a rotatable, damper blade pivotally mounted within a damper body. The inner wall of the damper body has a plurality of inwardly, radially extending pins over which is fitted a...
5743512 Wedge lock butterfly valve  
A butterfly valve assembly is disclosed wherein a wedged shaped pin is used to position and fasten the butterfly disc to the valve shaft. The valve shaft, butterfly disc and wedged shaped pin are...
5620167 Modular butterfly valve for tablets, capsules and the like  
A modular butterfly valve for interupting the flow of particulate articles such as tablets, capsules, pills, and the like that includes a disk member which is selectively operable between an open...
5538029 Method for adjusting valve sealing engagement  
A method for adjusting sealing engagement of a valve seat includes providing a valve with a disk in a flow passageway and a valve seal with a seat positioned for sealing engagement with the disk,...
5494257 Damper valve having an adjustable seat  
A damper valve includes a base, a valve element pivotally mounted on the base and adjustable valve seat portions on opposite sides of a pivot axis, the valve seat portions being positioned on...
5370361 Butterfly valve  
A butterfly valve comprising a valve body, a throttle plate located within a throat of the valve body, and opposed projecting pins connected to the throttle plate and extending into two opposed...
5357997 Valve with segmented retainer ring  
A disc valve with a disc that is pivotable between open and closed positions has a metallic seal ring placed against an axially-oriented face formed by the housing and located at the ends of an...
5327928 Air seal valve  
An air seal valve comprises an annular valve body having a circular valve plate disposed internally thereof with a pair of axially spaced valves thereon defining a fresh air plenum, one of said...
4988076 Valves having a turnable closure member such as a butterfly valve  
A butterfly valve seat structure has a polymeric sealing head slidably supported on the radially inner portion of a flat metal washer so as to be capable of radial sliding movement on the washer, a...
4846441 Methods and apparatus for adjusting a valve closure member  
Improved techniques are provided for adjusting the axial position of a rotatable valve closure element carrying an elastomeric annular seal with respect to a metallic valve body. An adjustable nut...
4739796 Fluid flow diverter  
Fluid flow diverter apparatus is described for reversing the direction of fluid flow through a process loop, such as a bundle of heat exchange tubes in an air conditioning system. The apparatus...
4632360 Butterfly type valve seal  
A pivotally adjustable valve disc has a ring seal set in its grooved periphery for contact with a wall of a valve accomodating bore. A flexible, radially expansible member is in the valve groove in...
4582080 Bidirectional cryogenic valves  
A bidirectional valve useful at all temperatures from cryogenic to extreme fire temperatures. The sealing means for the bidirectional valve comprises a metallic sealing element having a pair of...
4508315 Bidirectional valve seal  
A valve seal for a butterfly valve comprises a U-shaped annular seating member disposed in an annular slot in the valve body and a retaining ring for holding the seating member in place. The...
4420140 Butterfly valve and a method of manufacture of said valve  
The butterfly valve comprises a valve body traversed by a passageway and a closure element or butterfly valve disk placed transversely with respect to the passageway. An annular bearing surface of...
4418889 Fire safe seat for a valve  
A novel seat especially adapted for a butterfly valve is provided which is formed both of metal and "soft" material so as to furnish a "bubble tight" seal in normal operating conditions and a...
4398696 Butterfly valve  
This invention concerns a butterfly valve having a resilient, adjustable seat for pivoting disc. The seat comprises an elastomeric seating attached to a clamping ring which slides along the walls...
4324383 Seat centerline operated butterfly valve  
The actuator shaft of a butterfly valve rotates 90 degrees to open or close an associated flow interrupter. As the shaft rotates its 90-degree motion is imparted to associated link members and the...
4294428 Butterfly valve  
A butterfly valve comprising a valve body mounted on a valve stem in a valve housing. The valve housing is provided with valve seats to contact the periphery of the valve body when the valve is...
4290615 Butterfly valve  
A butterfly valve having a split sealing ring in a groove in the interior of the passageway therethrough, the sealing ring having mating ends of a tongue and groove construction or the like.
4281818 Replaceable adjustable butterfly valve seat  
This invention concerns a butterfly valve having a resilient, adjustable body seat for the pivoting disc. The seat comprises a T-shaped elastomeric ring which is confined at one end by the...
4248404 Dual seal butterfly valve  
A wafer type butterfly valve having a spherical segment body interior contoured to receive a disc seal having upstream and downstream seals. The seals are configured to fit disc grooves and are...
4230154 Combined ball and throttle valve  
A combination valve assembly is provided for controlling fluid flow through a housing within which a ball element is operatively positioned and has a throttle valve element operatively mounted...
4220314 Butterfly valve structure  
A butterfly valve construction for use particularly on pipelines through which fluid under pressure is adapted to flow and to be selectively cut off. The butterfly valve disc is rotatably supported...
4174557 Method of mounting valve seats in a butterfly valve  
A method of mounting valve seats in a butterfly valve comprising a valve body mounted in a valve stem in a valve housing. The valve seats are attached to the valve housing so as to contact the...
4114856 Valve seat insert  
A valve seat insert is disclosed which is useful in a butterfly valve of the type disclosed and claimed in U.S. Pat. No. 3,608,861. In such valves, disc and sealing ring contact pressure is...
4082246 Butterfly valve thruport seal  
A butterfly valve in which a gasket is secured about the vane periphery and in cooperation with an annular body seat effects a seal for closure of the valve passage. Supporting the gasket in a...
4036468 Butterfly valve with self energizing seal  
An improved butterfly valve with self energizing seal, having a body with parallel faces and a substantially circular opening therethrough, and a shaft transverse to said opening. A closure disc is...
4020869 Combined stop and intercept valve for steam turbines  
A combined stop and intercept valve is provided for controlling steam flow from a high-pressure steam turbine to a low-pressure steam turbine and comprises a substantially cylindrical casing having...
4015818 Valve with self-retaining valve seat  
A valve body has a closing member rotatably mounted in a passage for opening and closing said passage. An annular groove having a substantially dove-tailed cross sectional portion is formed in said...
4006883 Adjustable seat for butterfly valves  
An adjustable seat for butterfly valves wherein an annular groove is provided in the valve body for receiving an annular sealing member against one sidewall thereof for sealingly engaging the valve...
4005848 Bidirectional pressure-assisted valve seal  
Disclosed herein are valve seals wherein an annular seal member is retained in an annular recess in a valve body wall, the seal member being axially flexible. A resilient annular garter spring is...
3997142 Pressure sensitive and temperature responsive rotary valve  
A rotary valve for providing control of fluid flow throughout a wide range of pressures and temperatures. The valve includes a pressure sensitive and temperature responsive annular yieldable seat...
3986699 Positive shut-off seal  
A positive shut-off seal mechanism for use in pressurized fluid systems subject to high temperatures or fire risk. The seal mechanism includes a metallic valve seat in the form of an annular...
3974855 Check valve having self energizing seal  
An improved check valve having a housing or body with parallel faces and a substantially circular opening therethrough, and a shaft transverse to the opening. A flapper disc is rigidly attached to...
3970253 Flow area modulator and flow deflector  
This device is essentially a butterfly type valve which acts as a flow constriction by rotating a disc body with its planar axis parallel to or at right angles to fluid flow through a channel. The...
3961769 Adjustable bearing structure for butterfly gate valves  
A butterfly gate valve for control of water in treatment, waste water plants and the like, wherein the gate is mounted on a one-piece shaft. The lower end of the shaft rotates in a radial bearing,...
3934850 Adjustable valve seat  
A valve, such as a butterfly valve, having an adjustable valve seat. The valve includes a valve body having an interior passage and a valve member journalled in the body for movement between...
3910552 Adjustable wafer butterfly valve  
A wafer-type butterfly valve unit for insertion between a pair of spaced pipe flanges in a pipeline comprises a pair of flat-sided metallic body halves of substantially semi-circular interior cross...
3814380 ADJUSTABLE BODY SEAT FOR BUTTERFLY VALVES  
The disclosure concerns a butterfly valve having a resilient, adjustable body seat for the pivoting disc. The seat comprises an elastomeric ring which is confined at one end by the transverse wall...
3774880 BUTTERFLY VALVE BODY  
A butterfly valve body comprising an annular gasket defining a valve disc seat which is disposed in an annular groove. The gasket is formed of a resilient material and is proportioned to provide an...
Matches 1 - 50 out of 100 1 2 >