Class 251/243 - Co-acts with lever

Subclass of Class 251 - Valves and valve actuation
Definition: Apparatus wherein the spring co-acts with or through the
No. of patents: 36
Last issue date: 04/29/2008

Number	Title	Issue Date
7363943	Multi-stage pedal control water supply A multi-stage pedal control water supply installation includes a tap provided with water inlet and water outlet, a control valve with orifice, a linking unit, one or a plurality of pedal, and a flow control unit; the flow control unit being disposed by one side of t...	04/29/2008
7156364	Lever drive for a cryogenic valve A valve assembly for controlling flow of cryogenic fluids is disclosed. In an embodiment, the valve assembly includes a valve housing and a valve member supported at the valve housing for movement between a valve opened and a valve closing position. A pneumatic cyli...	01/02/2007
6945276	Valve with unilaterally constrained piezoelectric bending element as actuating device Valve with a displaceable actuating device that controls the movements of at least one actual sealing element for opening and closing, and the actuating device is loaded with an elastic element essentially in a perpendicular direction relative to the direction of di...	09/20/2005
6725820	Valve-operating mechanism in engine A valve-operating mechanism includes cam followers carried on an engine body 1 with their tip ends being in sliding contact with the cam, rocker arms integrally connected to the cam followers and carried on the engine body coaxially with said cam followers wi...	04/27/2004
6595436	Proportional needle control injector The fuel injector includes a solid state actuator that operates through an actuator motion amplifying lever to directly control the needle valve motion. Hydraulic forces, which act along the axes of the needle valve and the motion amplifying lever, are co...	07/22/2003
6382585	Valve control system A fluid control valve has a valve member which, on closing creates a stagnation zone between the valve member and a surface within the valve. In the stagnation zone fluid pressure is greater than it is in an adjacent constriction zone. This causes the val...	05/07/2002
6325355	Spring handle angle cock A handle mechanism to be mounted to a stem of a valve element. The mechanism includes a socket to be fixed to the stem of the valve element, a handle portion including a clevis having a pair of legs and a base joining the legs and pivotally connected to t...	12/04/2001
6036170	Service valve heads which may be connected to soft drink bottles or the like Improvements in service valve heads which may be connected to soft drink bottles or the like, wherein a valve body is obtained, a liquid circulation channel being provided between the spout and the fishing tube, said channel having a check valve. The rod ...	03/14/2000
6032922	Fluid flow control valve and actuating mechanism A fluid flow control valve is provided comprising a valve seat inside a housing for defining a passage opening in the housing and a valve seal positioned against the valve seat for closing off fluid flow. A push rod extends from the valve seal and through...	03/07/2000
5797425	Three stage gas pressure regulator The present invention provides a supplementary pressure regulator that can be used with conventional single or multi-stage pressure regulators. It may also conveniently be used with a novel two stage balanced pressure regulator to form a three-stage vacuu...	08/25/1998
5667193	Safety shut-off device for gas welding apparatus A safety shut-off device is disclosed. The device is adapted for use with a gas welding apparatus, the apparatus having a torch handle and a supply of a pressurized combustion reagent. The safety shut-off device has a valving assembly that is adapted to b...	09/16/1997
5535777	Gas flow safety assembly A gas flow safety valve assembly having a main housing of generally solid rigid construction with a main interior chamber divided into an upper compartment and a flow through compartment by a primary diaphragm. Further, the main housing includes an inlet ...	07/16/1996
5427318	One-touch on-off showerhead valve A one-touch on-off showerhead valve apparatus for controlling the flow of fluid by pushbutton operation that includes a body having an inner cavity which is divided into first, second and third spaces by a bellows and a support plate mounted therein. The ...	06/27/1995
5362214	Multi-vacuum release for pump A hand-held vacuum pump with an attached vacuum release valve is disclosed. The vacuum release valve is oriented so that the hand-held vacuum pump and the vacuum release valve can be operated with the same hand. The vacuum release valve is operated using ...	11/08/1994
5346172	Servo valve A servo valve comprising a drive for moving a valve spindle (6) coupled through a lever and a link body with the drive. The lever (34) is pivotably mounted in a lever housing (30) which is connected at one end to the valve housing (2) and at its other end...	09/13/1994
5340079	Hand control valve A hand operated control valve for venting fluid pressure from a fluid line including a valve body having a vent port being controlled by a needle valve having an elongated shaft. The upper end of the elongated is affixed by a lift rod having a looped conf...	08/23/1994
5072913	Spring loaded locking handle for angle cock or the like A spring loaded locking handle assembly for an angle cock or the like wherein the helical windings of a torsion type spring are mounted on a fulcrum pin about which the handle proper of a two-piece, locking style handle assembly is pivotally connected to ...	12/17/1991
5033713	Temperature-sensitive actuating apparatus for a servo-apparatus The temperature sensitive apparatus controls fluid flow from one line to others and includes an elongated wire of a shaped memory wire that changes in length with changes in temperature extended into a valve housing for pivotally moving valve mechanism in...	07/23/1991
4977791	Flap lever system for rotary flaps The invention regards a flap linkage for several rotary flaps arranged along a parallel axis and positioned within a frame. The rotary flap shafts have a double-armed lever on each end. Transmission elements of an adjustment gear mesh on the arms of the d...	12/18/1990
4928721	Fuel control valve construction, parts therefor and methods 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,...	05/29/1990
4925154	Gate valve with supplemental actuator An improved gate valve having a body with a chamber and an inlet and an outlet extending therethrough into said chamber, a gate mounted for reciprocation in said chamber between open and closed positions, a pressure responsive actuator having a housing, a...	05/15/1990
4871143	Gate valve with supplemental actuator An improved gate valve having a body with a chamber and an inlet and an outlet extending therethrough into said chamber, a gate mounted for reciprocation in said chamber between open and closed positions, a pressure responsive actuator having a housing, a...	10/03/1989
4787413	Pressure control valve A pressure control valve (10) comprises a first element (14) arranged to pivot relative to a second element (18) in response to inflation and deflation of a sac (16) interposed between the elements, the second element having a fluid passageway (32, 34) in...	11/29/1988
4684037	Perfected mechanical control device for ball valve type valve systems An improved mechanical control device for ball valve type valve systems operable by one hand, in which actuation of the valve ball is caused by squeezing a pair of levers, one fixed lever rigidly attached to the valve housing, the other movable lever pivo...	08/04/1987
4593882	Zone control valve A zone valve of the type using a heat motor includes a biasing spring that operates on a lever, the lever operating on a valve. The spring includes arms that slidingly engage the lever. The arms each include a bent portion adjacent the point of contact wi...	06/10/1986
4579017	Restoring device for an adjusting element A restoring device for an adjusting element, which serves in particular for restoring a throttle device of an internal combustion engine. The restoring device has a first spring subject to bending, which is disposed on a bushing that is rotatably supporte...	04/01/1986
4560140	Zone control valve A zone valve is described in which the frame for the operator unit is assembled without separate fasteners. Tongue and groove on the frame pieces fit together in an interlocking manner to provide a rigid frame construction. The assembly of the frame, hing...	12/24/1985
4456219	Spring-locking handle mechanism A spring-locking handle mechanism in which a flat piece of spring stock is formed in a generally U-shaped configuration to provide a locking spring, one leg of which bears against the underside of the socket portion of a conventional two-piece locking han...	06/26/1984
4442853	Safety gas valve with latch A safety gas valve with latch against non-permitted reopening has the connector of the thermoelectric power unit located on the same side of the housing as the push button of the operating rod which is born shiftable and turnable in the housing. For this ...	04/17/1984
4414999	Continuous flushing device A flow regulating assembly and components are provided for a catheter system. The assembly provides a regulated flow of medical fluid with an intermittent operator-controlled large-volume flushing flow. The assembly includes a flow-occluding piston recipr...	11/15/1983
4379544	Turbine trip valve mechanism A trip mechanism for a trip valve is made up of a reset lever and a bell crank operatively connected through a guide stem which is guidingly received in a flange portion of the valve housing. A valve stem and the guide stem are slidably connected to the r...	04/12/1983
4352483	Differential throttle opening control mechanism A mechanism for providing differential control of the opening of the throttle valve which controls the amount of air introduced into the induction manifold of an internal combustion engine. The angle of opening of the throttle valve changes with a predete...	10/05/1982
4312373	Internal valve An internal valve for the bottom loading of fuel tanks consists of a differential area piston acting within a chamber which is vented by a pair of pilot valves responsive to fluid level, to provide full open, throttled and closed positions of the valve au...	01/26/1982
4205820	Control valves An installation control valve preferably for use in a fire fighting installation has a pivotal valve disc with an axis spindle to which is connected a lever. A lever retaining mechanism co-operates with the lever and is releasably held to resist lever and...	06/03/1980
4044996	Valve means A valve means comprising a valve lever pivotably supported by a valve guide and having a valve disk at one end thereof, a flexible seal covering the supporting portion of the valve guide and supporting the valve lever, and a cam mechanism, said valve mean...	08/30/1977
3958633	Flapper-type subsurface safety valve This is a subsurface safety valve for insertion in a tubing string in a well drilled in the earth, normally for the production of oil and gas. This valve is lowered and retrieved by wireline and is seated in a special side-pocket mandrel which is a part o...	05/25/1976

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Class 251/243 - Co-acts with lever