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Class 137/625.27 - Plural disk or plug


Subclass of Class 137 - Fluid handling
Definition: Devices wherein the valve unit comprises a plurality of
No. of patents: 154
Last issue date: 03/27/2012


1        
NumberTitleIssue Date
8141585Rocker type diaphragm valve
A rocker type diaphragm valve is disclosed. The diaphragm (428) in the diaphragm valve is asymmetric and the stroke of the diaphragm is offset from the center of the diaphragm. The two sealing surfaces (318, 320) that the diaphragm acts against form tw...
03/27/2012
8011385Valve assembly and method of assembly
A valve assembly is provided that has a valve body defining first and second valve seats and a fluid chamber between the valve seats. The valve assembly includes a first valve that has an extension portion and a plug portion. The plug portion is configured to be sel...
09/06/2011
7784492Direction control valve
In a direction control valve, a bottom face of an insertion hole of a first movable member is at a predetermined distance from a second movable member with respect to a first axial direction when communication between a first communication switching port and a commu...
08/31/2010
7757713Hydraulic valve
Hydraulic valve having a valve body and housing, which has a first, second and third cutout. A hydraulic medium is fed via the first cutout. The hydraulic medium is fed to a pressure consumer via the second cutout and to a pressure sink via the third cutout. The val...
07/20/2010
7644729Capacity control valve
A capacity control valve has a communication path (31) for communicating a discharge chamber (11) and a control chamber (12); one valve chamber (36) in the middle of the communication path (31); communication paths (32, 31
01/12/2010
7347221Solenoid valve
A valve assembly comprises two valves and a single solenoid actuator with only one magnetizing coil that controls both valves. The corresponding magnetic circuit comprises a yoke with only two pole pieces. The valves are arranged concentric to one another. The valve...
03/25/2008
7306462Gas operating system for firearm simulators
A removable gas supply for a weapon simulator, wherein the gas system cycles the bolt or slide of the firearm to provide recoil, actuate a hammer/trigger mechanism and provide realism of the original weapon functions. The weapon simulator has a housing defining a pi...
12/11/2007
7255132Control valve for controlling flow of hydraulic fluid
The present invention relates to a control valve for controlling flow of hydraulic fluid. The control valve comprises: a valve housing (10); a sleeve (11) slidable in a valve chamber in the valve housing (10); a first fluid conduit (12) f...
08/14/2007
7229063Pressure control valve
The invention concerns a pressure control valve for the control of the value of pressure in a hydraulic circuit, especially in a hydraulic circuit of a vehicle transmission, with a valve housing, with a solenoid coil, with an armature component group comprising an a...
06/12/2007
7216533Methods for using a formation tester
A method of testing a downhole formation using a formation tester on a drill string. The formation tester is disposed downhole on a drill string and a formation test is performed by forming a seal between a formation probe assembly and the formation. A drawdown pist...
05/15/2007
7210501Directly operated pneumatic valve having a differential assist return
A fluid control valve includes a valve body having both fluid inlet and discharge ports. A flow passage axially extending within the valve body communicates with the inlet and discharge ports. A valve member within the flow passage is movable by an actuator force in...
05/01/2007
7191799Annular port construction for valve applications
A body element for a spool valve is provided that includes a body having an inner surface that defines an internal valving chamber having a longitudinal axis, and at least one transverse surface to the longitudinal axis. The transverse surface has at least one port ...
03/20/2007
7165731Dual travel seated pin valve assembly
When an engine is cold-started, the engine oil is quite viscous and requires larger passageways to flow through the engine than when the engine is warmed up and the engine oil flows readily. The present invention relates to a pin valve assembly which may be used on ...
01/23/2007
7118088Fluid control valve
To provide a fluid control valve which is capable of preventing or suppressing degradation of the accuracy of flow rate control dependent on the lift amount of a valve element from a valve seat. An expansion valve is configured such that a valve portion and a valve ...
10/10/2006
7097150Electromechanical valve control actuator for internal combustion engines and internal combustion engine equipped with such an actuator
An electromechanical valve control actuator for internal combustion engines, includes an electromagnet with a magnet and a mobile magnetic plate moving into the vicinity of the electromagnet. The magnet is located on a surface of the electromagnet opposite the plate...
08/29/2006
7073825One-operation piping-installation fluid pressure apparatus
A fluid pressure apparatus is formed of a fluid pressure device including a plurality of ports opening in rows on its one end face and a pipe joint assembly in which a plurality of quick-type pipe joints are retained by a joint holder in the same arrangement as the ...
07/11/2006
7069137Valve flow metering control system and method
A turbine valve control system is provided. The turbine valve control system includes a variable flow metering device, a first sensor, a second sensor, a third sensor, a fourth sensor, memory, and processing circuitry. The variable flow metering device is capable of...
06/27/2006
7044400Solenoid end cap assembly with flat surface
A solenoid end cap assembly having a flat mating surface. The flat mating surface is a single planar mating surface and is designed to mate with a substantially flat mating surface of a valve control body. The solenoid, housed within the solenoid end cap, does not p...
05/16/2006
6971628Direct-acting electric operated valve
A direct-acting electric operated valve has a stem which reciprocates by an electric motor without using air pressure. In this direct-acting electric operated valve, as the stem 2 vertically reciprocates, a first passage 11 and a second passage ...
12/06/2005
6966340Slide spool valve
A slide spool valve has a valve body formed by synthetic resin injection molding. The valve body includes a bore and an insert integrally coupled with the bore. The insert has a hollow portion penetrated by a port, the hollow portion being connected to the bore and ...
11/22/2005
6953055Pneumatic gate valve with an injection-molded valve housing
A pneumatic gate valve includes a valve housing made of injection-molded plastic material and having a plurality of external ports. Received in the valve housing are a plurality of valve bushings disposed in axial-spaced relationship as to define a valve bore and a ...
10/11/2005
6951225Switching valve for ion water generator
An ion water generator containing a switching valve for ion water generator that makes it possible to discharge the same species of ion water through a specific faucet despite the conversion of the polarity of chambers in the electrolyzers whenever the switching val...
10/04/2005
6901948Liquid fertilizer distribution system and method
A removable flow restrictor 750 and a corresponding method for regulating flow through a fluid fertilizer distributor 700 are provided. A supply inlet port 712 is in fluid communication with a plurality of fluid outlet ports 716. The flow...
06/07/2005
6901959Three port solenoid valve
A solenoid valve includes a housing that establishes a supply port, a control port, and an exhaust port. A fluted bushing is statically affixed within the housing and a poppet slides within the bushing. The poppet is movable between a de-energized configuration wher...
06/07/2005
6871668Variable force actuator with a double needle poppet assembly
A variable force actuator with a double needle poppet assembly includes a housing in which a first poppet and a second poppet are slidably disposed. The second poppet fits within the first poppet, and both poppets move when a nearby coil is energized to establish, i...
03/29/2005
6837451Seat/slide valve with pressure-equalizing pin
The invention relates to a 3/2-way valve for controlling the injection of fuel in a common rail injection system of an internal combustion engine, having a first switching position, in which an injection nozzle is in communication with a fuel return, and having a se...
01/04/2005
6805163Micro lock valve
A micro lock valve includes a cylinder forming an air chamber. One part of the cylinder is provided with an inlet port and an outlet port which communicate with each other through the air chamber, and the other part is provided with an exhaust port communicating wit...
10/19/2004
6792975Pulse-width modulated solenoid valve including axial stop spool valve
A solenoid control valve having a spool valve disposed within a valve body and an enlarged diameter, axially sealing land. An upper surface of the sealing land seats against an upper valve stop when the spool valve is in a first sealing position and a lower surface ...
09/21/2004
6776190Valve lift spacer and valve using same
This invention pertains generally to valve lift spacers that determine the travel distance of a valve member, such as movement between upper and lower seats. In the case of pressure switching valves, such as those used in the fuel injection industry, valve travel di...
08/17/2004
6715509Electromagnetic valve and assembling method
In an electromagnetic valve, a maximum distance between a movable core and a fixed core is set to be larger than a movable stroke of a movable rod moving together with the movable core. Therefore, a movable stroke of the movable core is set by a movable stroke of th...
04/06/2004
6712092Directional flow control valve
A directional flow control valve construction particularly for use within a pneumatic or other fluid power circuit. The valve includes a body and a stem received within a bore formed in the body. The stem has a first end received within the bore and a second end whi...
03/30/2004
6701959High flow rate balanced poppet valve
A valve has a body has a bore into which open an inlet, an outlet, and a workport. A first valve seat is between the inlet and the workport, and a second valve seat is between the outlet and work ports. A poppet slides within the bore and a spring biases ...
03/09/2004
6668861Poppet valve having an improved valve seat
A pneumatic valve assembly including a valve body having an inlet port in fluid communication with a source of pressurized air and a valve bore extending axially within the valve body with a valve member movable between predetermined positions within the ...
12/30/2003
6655411Poppet-type solenoid valve
A poppet valve body for opening and closing supply and discharge valve seats by a movable core is provided in a valve chamber having the supply and discharge valve seats. The supply valve seat is formed at a valve seat body movable to approach and move aw...
12/02/2003
6619321Stream switching system
A stream selector for a process analyzer prevents contamination of one sample from previous samples without requiring a common outlet header. The stream selector includes a valve manifold having a base plate and a series of valve modules individually remo...
09/16/2003
6609539Hydraulically operated directional control valve
In the directional control valve (10) for support mechanisms in underground mining, the valve piston (16) is guided seal free in the valve seat carrier (15) between the high pressure connection (P) and a sealing ring (22) and thus permits an overflow of h...
08/26/2003
6571827Device for a container
The application discloses a device for a container which includes a casing (1) which defines an inner space (2), which extends from the inner space and is connectable to a vacuum source in order to reduce the pressure in the inner space and the outlet spa...
06/03/2003
6488050Pneumatic valve assembly
An electrically-operated plunger-type valve assembly includes a housing, an electromagnetic actuator and a plunger assembly, which is positioned in the housing and supported for movement in the housing. The valve assembly includes a biasing member, which ...
12/03/2002
6425416Fluid directional control device for solenoid valve assembly
A directional control apparatus for a solenoid valve assembly, including a solenoid valve assembly including a supply/exhaust device and solenoid valves connected together, and a manual directional control valve. The supply/exhaust device is configured to...
07/30/2002
6378544Pressure relief device and method of using the same
The present invention relates to a pressure relief device and method of using the same. The pressure relief device includes a rupture element containing an inner layer made of an nonferrous-based composition that can preferably withstand contact with corr...
04/30/2002
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