Class 137/637.2 - Coaxial stems

Subclass of Class 137 - Fluid handling
Definition: Subject matter in which at least two independently actuable
No. of patents: 49
Last issue date: 01/26/2010

«First «Previous1 2 Next»Last»

Number	Title	Issue Date
7650908	Valve assembly and related arrangements A valve assembly (100) has an inlet port (104) and an outlet port (106) linked by a fluid conduit (102) for allowing fluid to pass therebetween. The valve assembly includes a stop valve having a spindle (112) that is centrally moun...	01/26/2010
7637282	Compressor throttling valve assembly A throttling valve assembly has an outer housing that is sealed. An actuator is connected to a pressure balanced shaft that extends into the housing to operate a plurality of linkages that can rotate blades in tandem. With the surrounding housing sealed, the shaft p...	12/29/2009
7568503	Compressor throttling valve assembly A throttling valve assembly has an outer housing that is sealed. An actuator is connected to a pressure balanced shaft that extends into the housing to operate a plurality of linkages that can rotate blades in tandem. With the surrounding housing sealed, the shaft p...	08/04/2009
7225810	Valve for use in high pressure gas containers An on-off valve mounted in a high pressurized gas container, which has a holding portion for holding a flow amount controlling member in a path formed in an upper stream side of the body of the valve, and in which a flow amount controlling member is movably held. In...	06/05/2007
7077163	Device for controlling the flow of liquid or gaseous media A device controls the flow of liquid or gaseous media, especially a liquid heating or cooling medium, in a line system with a first channel that contains a valve, especially a shut-off valve, and is provided with connections on both ends thereof. Two other channels ...	07/18/2006
6948493	Anaesthetic apparatus An apparatus for delivering anaesthetic to human or animal patients. The apparatus is an anaesthetic machine which is arranged to mount components of an anaesthetic delivery circuit, and which includes a collector arrangement in the form of a manifold having a plura...	09/27/2005
6945062	Heat pump water heating system including a compressor having a variable clearance volume A heat pump water heater system includes a compressor that has a variable clearance volume that can be selectively controlled to control the mass flow rate of refrigerant from the compressor. Under higher ambient air temperature conditions, the variable volume is in...	09/20/2005
6936114	Steam cleaning system and method for semiconductor process equipment Disclosed are systems and methods for removing stubborn contaminants, aluminum fluoride and aluminum chloride in particular, from components of semiconductor-processing equipment. One embodiment forces steam through small holes in a gas distribution plate to remove ...	08/30/2005
6802335	Faucet handle retainer A faucet assembly includes a first handle attached to rotate a fluid control member and includes a first groove. A second handle is attached to move the fluid control member along a central axis and includes a second groove aligned with the first groove. A retainer ...	10/12/2004
6581635	Pilot-type two-port vacuum valve A main valve mechanism for opening and closing a main flow path between a first port and a second port has a main valve body, a large-diameter first piston for opening the main valve body, a main pressure operating chamber for driving the first piston, an...	06/24/2003
6397892	Multi-stage unloader An unloader includes a first volume bottle with a cavity formed therein of predetermined volume, and a port in the forward end with a plug operably mounted to selectively open and close the port. A second volume bottle is stacked on the first volume bottl...	06/04/2002
6293300	Valve assemblies A valve assembly includes a valve body formed of a cylinder having upper and lower ends with an inlet port at one end, an outlet port on an opposite end and at least one side outlet port. An annular ring element has upper and lower ends on which are forme...	09/25/2001
6244291	Process sampling selection valves A process control valve is disclosed including a valve body assembly which includes process fluid input and output ports, an actuation pressure port and a vent port. The valve body includes a cylinder with two pistons longitudinally spaced and separated b...	06/12/2001
6223774	Redundant regulation valve The redundant regulation valve for controlling fluid flow comprises a valve body defining a passage for the flow of the fluid, a main throttle element movable by means of a main control device to selectively obstruct the passage, and a redundant throttle ...	05/01/2001
6095193	Smooth vent valve A smooth vent valve in which an on-off valve and a flow control valve are provided in series and arranged to be capable of being operated by respective actuating mechanisms, thereby accurately performing the on-off operation of the on-off valve and the fl...	08/01/2000
6070605	Steam turbine valve disk vibration reducer A steam valve for a steam turbine includes a control valve head having a recess and a stop valve head disposed within the recess of the control valve head, both heads having sealing surfaces in opposition to a valve seat. The control valve head is displac...	06/06/2000
5971018	Valve device for influencing an overpressurized flow of media A valve device for influencing an overpressurized flow of media comprises a control valve for controlling the flow of media, and a closing valve which is either totally open or totally closed to stop the flow. The valves are arranged in a common valve hou...	10/26/1999
5848608	Vacuum-pressure-control slow exhaust valve To reduce the axial length of a slow exhaust valve and thus the size of the valve, a secondary valve seat and a secondary valve body constituting a secondary valve mechanism for restrictively opening a channel connecting a chamber port and a pump port dur...	12/15/1998
5469880	Manifold valve assemblies with cleaning solution supply A plurality of manifold valve assemblies each including pairs of generally vertical valve cylinders each cylinder having actuator rods that are coaxial with each other, the rods being independently actuatable by their respective actuators. Each cylinder h...	11/28/1995
5441079	Manifold valve assemblies A plurality of manifold valve assemblies each including a generally vertical valve cylinder having an inlet port at its top and at least two outlet ports near its bottom. A single actuator valve is fitted for closing each of the ports, each including a va...	08/15/1995
5232023	Manifold valve assemblies A plurality of manifold valve assemblies each including a generally vertical valve cylinder having an inlet port at its top and at least two outlet ports near its bottom. A single actuator valve is fitted for closing each of the ports, each including a va...	08/03/1993
5172728	Three-way-valve A three-way valve includes a cylindrical auxiliary valve shaft (12); a main valve shaft (11) provided within the cylindrical shaft; a cylindrical auxiliary valve plug (10) provided on a tip of the auxiliary valve shaft; a main valve plug (9) provided on a...	12/22/1992
4915295	Thermostatic pressure balanced valve assembly A mixing valve includes the volume control valve, a pressure proportioning valve, and a thermostatic valve assembly within a single modular housing. The housing is rotatably mounted in a valve body. The housing houses the proportioning valve and the therm...	04/10/1990
4860794	Single ended solenoid valve assembly A dual solenoid valve assembly is provided. The assembly includes a casing joined to a housing having a pressure inlet and outlet, an exhaust port, a first fluid path connecting the inlet and the outlet, and a second fluid path intersecting the first flui...	08/29/1989
4856551	Double seat valve with two valve disks A double seat valve includes a housing with a pair of valve disks independently movable within the housing between a closed position and an open position. Further, the valve disks can also be moved as a unit. A hollow leakage space is located between the ...	08/15/1989
4715795	Metering pump In order to enable a conveying from a vacuum into a vacuum when metering liquid components of reaction resin compounds, a metering pump comprising a reciprocating displacement member is employed wherein the intake valve and the discharge valve are fashion...	12/29/1987
4590969	Valve In an embodiment of the invention, the valve comprises an apertured valve seat toward and from which a valving element is movably disposed, for occluding and exposing the aperture in the valve seat to fluid flow. An actuating rod is coupled to the valving...	05/27/1986
4585208	Valve, particularly a thermostatic valve for hot water radiators The invention relates to a thermostatic type valve for a hot water radiator. The valve has an adjustable insert for changing the throttle setting of the valve. An intermediate setting element has a spline connection with the insert to facilitate turning o...	04/29/1986
4558717	Steering control valve system for crawler vehicle A steering control valve system for a crawler vehicle has four valve spool bores formed in parallel to each other at equal intervals in a valve body, four valve spools respectively inserted slidably into the four valve bores, four actuator members respect...	12/17/1985
4552167	Method of and device for cleaning hollow spaces in double seat valves A double seat valve, preferably a multi-way valve having two valve disks movable independently one against the other and against the valve seats, defines an annular space between the two valve disks which is connected to the outer atmosphere by a discharg...	11/12/1985
4537221	Hydraulic control devices for use with mining apparatus A compact hydraulic control device for use with mining apparatus is composed of a housing block containing tappet-operated valves. A multi-part cam shaft serves selectively to operate the valves by displacing the tappets by manual control effected by exte...	08/27/1985
4530377	Block valve A block valve (10) for selectively establishing and selectively blocking communication between a pressurized fluid supply (30), a fluid actuated device (DHSV) and a reservoir (35). The valve comprises a valve body (41, 42) with an inlet (81), an outlet (8...	07/23/1985
4522223	Double poppet valve The present invention relates to a double poppet valve comprising two independently movable valve heads cooperating with a valve seat located in a valve housing between an inlet duct and an outlet duct for a liquid product, and enclosing therebetween in t...	06/11/1985
4490836	Shut-off valve The valve stem of the controlled shut-off valve has a lid and a piston movable in a cylinder. A first cylindrical chamber and a second annular chamber facing the lid are separated by a piston and connected to a low-pressure chamber by ducts extending in t...	12/25/1984
4483360	Actuator mechanism for double-block and vent valve A double-block and vent valve having an improved actuator mechanism to allow one part of a composite valve member to be lifted separately from another. The actuator mechanism overlies the valve housing and is connected to the two valve member parts via co...	11/20/1984
4368753	Double-seat valve unit leakage control A double-seat valve unit with leakage control has a greater valve plate located below a smaller valve plate, adjusting bars connected with the valve plates and arranged so that the adjusting bar of the greater valve plate extends through the interior of t...	01/18/1983
4345623	Multiport disk valve, especially for dust-remover duct systems A multiport valve for a dust-collection system has a pair of axially spaced seats for two of the ports which can be selectively engaged by a valve member in the form of two oppositely convex shells adapted to bear against one another at their edges. In ad...	08/24/1982
4310027	Hydraulic control devices for use with mining apparatus A unitary hydraulic control device, especially for use with mining apparatus, has a main housing carrying replaceable individual valves arranged in bores. The valves are operated by tappets which engage on cams provided on one of three relatively rotatabl...	01/12/1982
4304251	Double seat valve with leak control In a double seat valve with leak control, two valve discs are located within a housing and each is movably displaceable between an open position and a closed position by adjusting devices. The valve discs are shaped to form a hollow space between them. On...	12/08/1981
4303195	Thermally responsive valve device A thermally responsive valve includes first and second bimetallic disks which are adapted to snap-over in response to first and second predetermined temperatures. First and second inlet ports are connected to vacuum and atmospheric pressure sources respec...	12/01/1981

«First «Previous1 2 Next»Last»

PatentStorm

Bizarre Patents

PatentStorm News

Class 137/637.2 - Coaxial stems