Class 137/868 - Spring biased

Subclass of Class 137 - Fluid handling
Definition: System wherein a resilient mass is provided to urge either
No. of patents: 34
Last issue date: 05/06/2008

Number	Title	Issue Date
7367355	Twin manifold seat valve having solenoid actuation A twin manifold seat valve comprising at least two closure members S1, S2, S3 each functionally associated with at least one valve seat D1, D2, D3, D4. At least one of the closure members is moved to a blocking positi...	05/06/2008
7163187	Non-sliding valve A solenoid valve moves an armature back and forth between valve open and valve closed positions without the armature having any sliding engagement with any fixed valve part. This is accomplished by supporting the armature with a spring having one periphery engaging ...	01/16/2007
7159843	Non-sliding valve A solenoid valve moves an armature back and forth translationally between valve open and valve closed positions without the armature having any sliding engagement with any fixed valve part. This is accomplished by supporting the armature with a spring having one per...	01/09/2007
7147314	Single piece filtration for an ink jet print head A multi-chamber inkjet print head includes a plurality of individual print head ink chambers that share a common ink filter and are in fluid communication with an ink flow regulator. An associated method of assembling a print head base having at least two separate f...	12/12/2006
6997433	Electronic valve actuator having vibration cancellation An electronically controlled valve actuator having an armature, a valve, and a coupler for coupling the actuator to the valve with motion of the armature in a first direction moving the second piston in a second direction. The actuator includes an electromagnet, an ...	02/14/2006
6983764	Sequencing valve and hydronic system A sequencing valve and associated hydronic system are provided. The valve has first and second ports, which can be connected to a heat exchange device, and the valve is configured to selectively provide multiple fluids to the heat exchange device. For example, the v...	01/10/2006
6494231	Valve device A valve device for low-viscosity to high-viscosity fluids, especially for fluid plastic components of plastic mixtures consisting of one or more components, with a valve housing having a fluid inflow and a dosaging valve, which has a dosing nozzle that ca...	12/17/2002
6470914	Switch device for gas burner A switch device for a gas burner includes a body engaged with a housing. The body defines an axial hole for rotatably receiving a driven shaft which has a first end secured in a rotation knob and a second end engaged with a barrel which can be rotated by ...	10/29/2002
5857488	Multi-mode selector valve assembly for marine steering system A hydraulic valve apparatus is for controlling pressurized fluid flow to at least a pair of coupled hydraulic actuators in response to operator signals. The valve apparatus comprises a main body having main ports communicating selectively with a fluid sup...	01/12/1999
5799698	Switch for gas burner A switch for a gas burner includes a shaft and a rod engaged with the shaft so as to be rotated by the shaft. A cylindrical member has two depressions formed in one end for engaging with the rod. A disc is secured to a housing and has a recess communicati...	09/01/1998
5601210	Tap for dispensing a drink made from a concentrate, and drinks dispenser apparatus equipped with such a tap The tap (1) for dispensing a drink made from the mixture of a main liquid, particularly water, and of a concentrate, comprises a liquid-inlet nozzle (4), an outlet nozzle (5) and controlled-opening valve (S) located between the inlet nozzle (4) and the ou...	02/11/1997
5482085	Pilot pressure sub-assembly for fluid control valve A fluid control valve includes a spring biased pilot pressure sub-assembly for adjustably setting an initial step pressure. The sub-assembly includes a spring seat and an axially movable spool. The spool includes a body portion having a threaded outer sur...	01/09/1996
5439276	Tamper-resistant independent brake valve device for locomotive air brake equipment A tamper-resistant independent brake valve device for use in a brake equipment on railway locomotives including a main body casing carrying a movable handle, a rotatable cam, a pivotal cam dog and an exhaust and supply valve assembly, a spring housing att...	08/08/1995
5381831	Drain valve A combined valve device (10) for draining of tub (6) and pipe devices consisting of pipes for liquid and air, such as for bubble bath, comprising a housing (5), a first valve (1) for the liquid pipe and a second valve (2) for the air pipe, as well as mean...	01/17/1995
5092362	On-off valves and pressure regulators for high-pressure fluids A fast-actuating on-off valve and pressure regulator particularly well-suited for use with high-pressure incompressible fluids. An actuator, manually-operated or powered, provides a linear push-pull force to a valve stem assembly mounted inside a valve ca...	03/03/1992
4830039	Fuel control valve construction, parts therefor, and methods of making the same A fuel control valve construction, parts therefor and methods of making the same are provided, the construction comprising a housing having an inlet adapted to be interconnected to a fuel source and an outlet adapted to be interconnected to a main burner,...	05/16/1989
4827832	Valve system for a reciprocating device A reciprocable device comprising a reciprocable member mounted for reciprocating movement within a chamber and a valve system for controlling the supply of fluid under pressure to the reciprocable member to bring about reciprocation of such member. A moto...	05/09/1989
4747424	Hydraulic valve The present invention provides a valve for controlling fluid flow. The tapered actuation surface of the actuation cam of the present invention controlled by electric motors may be utilized to gradually open and close the various pistons which regulate flo...	05/31/1988
4729396	Fuel control valve construction, parts therefor and methods of making the same A fuel control valve construction, parts therefor and methods of making the same are provided, the construction comprising a housing having an inlet adapted to be interconnected to a fuel source and an outlet adapted to be interconnected to a main burner,...	03/08/1988
4679711	Multi-orifice zero cavity nozzle dispenser A valved device for dispensing multiple closely spaced streams of liquid from a plurality of dispensing orifices. The device includes selectively actuatable valve needles associated with each of the dispensing orifices for controlling liquid flow from the...	07/14/1987
4550750	Hydraulic fluid distributor A pressurized medium distributor device has a respective push rod valve been the common inlet and each outlet. The push rod valves can be opened against a spring force by operation of an actuating member so that pressure medium connection can be made bet...	11/05/1985
4543991	Electromagnetic double-valve for controlling the flow of two different materials An electromagnetic double-valve can synchronously regulate or control the ow of two materials without the need of a costly mechanical linkage between the two individual valves which may be arranged in a common housing. An armature serves as the valve body...	10/01/1985
4526729	Vortex carburetor A high velocity carburetor comprises a housing defining an air flow conduit with an air valve member therein. The air valve member includes a curved air-conducting surface facing the air stream and at least one position of the member for establishing a vo...	07/02/1985
4526197	Pneumatic valve A pneumatic valve which is suitable for use in controlling the operation of a pneumatic drive system such as that used for raising and lowering the body of a dump truck. The valve is opened and closed by a slide member which is mounted in a cylinder fomed...	07/02/1985
4462428	Three-way needle valve The illustrated embodiment teaches a three-way valve system for an ink jet printer. The system has an inlet, a main outlet, a vent, and two needle valves (a shut-off valve and a vent valve) which sit in respective valve guides. The passageways are arrange...	07/31/1984
4440139	Vacuum control valve A vacuum modulating chamber of a vacuum control valve is communicated with a diaphragm chamber of a EGR valve for controlling an amount of exhaust gas to be recirculated into combustion chambers of an engine, so that a modulated negative pressure is appli...	04/03/1984
4421135	Hydraulic selector valve having joy stick control A manually operable hydraulic selector valve includes a plurality of two-way spool valves which are normally closed and are selectively shiftable individually or in pairs by a joy stick operator to open positions whereby motive fluid can be delivered to a...	12/20/1983
4342335	Hydraulic valve detent mechanism A hydraulic pilot valve having an improved detent mechanism. The pilot valve includes a pair of lever operated plunger members which operate sliding valve members to control the opening and closing of a pair of work ports. Biasing members urge the plunger...	08/03/1982
4298028	Starting valve and mounting therefor A starting valve is disclosed having a starter choke valve and a poppet valve which is kept closed by the starter choke valve when the choke valve is in an open position. For mounting the starter choke valve there is provided a choke shaft and a bushing s...	11/03/1981
4296773	Hydraulic selector valve having joy stick control A manually operable hydraulic selector valve includes a plurality of two-way spool valves which are normally closed and are selectively shiftable individually or in pairs by a joy stick operator to open positions whereby motive fluid can be delivered to a...	10/27/1981
4250924	Electromagnetic control valve assembly An electromagnetic control valve is provided with a housing having an inlet and two outlets extending through the wall of the housing. A valve member is mounted in spaced relation from each outlet opening on a resilient member for movement into and out of...	02/17/1981
4184512	Fluid distributing devices, particularly for hydraulic remote control A distributor comprising a pressure reducer mounted in a body and a control member, capable of modifying the calibration of the reducer, which comprises a plunger movable in a cavity, which comprises, on one side, a housing where the reducer calibrating m...	01/22/1980
4119119	Shift control detent mechanism A shift control mechanism having a detent means for selectively positioning the shifting mechanism for selective and alternative engagement of hydraulic actuators in a power shift transmission through spool valves operated by a control rack connected to t...	10/10/1978
4007757	Valve shifting mechanism An easily assembled valve shifting mechanism includes a hexagonal shaft over which several different cam plates are slidably assembled in a predetermined manner. Each cam plate includes complementary cam surfaces for engaging and providing positive motion...	02/15/1977

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Class 137/868 - Spring biased